CN217897288U - Bearing type overhanging support structure for constructing suspended beam - Google Patents

Abstract

The utility model provides a bearing type overhanging supporting structure for constructing a suspended beam, which comprises an overhanging beam, wherein the inner end part and the middle part of the overhanging beam are fixedly arranged on a floor slab, the outer end part of the overhanging beam is positioned on the outer side of the floor slab, the overhanging beam is H-shaped steel, a lower edge wing plate of the overhanging beam is laminated with the floor slab, vertical pre-embedded screw rods are distributed on the floor slab corresponding to the inner end part and the middle part of the overhanging beam, the pre-embedded screw rods are connected with a fixed nut in a threaded manner after sequentially penetrating through a lower flange plate and an upper flange plate of the overhanging beam, and pre-embedded screw rods are distributed on both sides of a web plate of the overhanging beam; all fixedly connected with supports the girder steel between adjacent cantilever beam outer end tip, supports the girder steel and sets up in the slope of cantilever beam relatively. The utility model discloses the die carrier that can effectively support unsettled roof beam supports the system, guarantees the steadiness that unsettled roof beam die carrier supported the system, guarantees the normal pouring of unsettled roof beam concrete.

Description

Bearing type overhanging support structure for constructing suspended beam

Technical Field

The utility model relates to a building engineering technical field, concretely relates to bearing type bearing structure of encorbelmenting for constructing unsettled roof beam.

Background

The thermal power engineering is an important industrial infrastructure for promoting the development of social economy, in the construction process of the thermal power engineering, a coal bunker bay structure is a very important unit engineering, a reinforced concrete frame structure form is generally adopted, as shown in fig. 4, a belt structure layer 7 in the coal bunker bay structure is an important transfer channel for transporting coal, the belt structure layer needs to be connected with a coal conveying trestle system, in order to be effectively connected with the coal conveying trestle system, a suspension beam 72 needs to be arranged in an external structure of the belt structure layer 7 frequently, two ends of the suspension beam 72 are fixedly connected with the belt structure layer 7 through a fixed beam 71, and the middle of the suspension beam 72 is supported at the bottom of the end head of the coal conveying trestle 8. The height that the unsettled roof beam set up is higher, and the total weight is great, and in the die carrier of unsettled roof beam supported the work progress, the height that sets up of unsettled roof beam was higher apart from ground, and unsettled roof beam lower part does not have the support floor, sets up die carrier braced system from ground, and the support height of die carrier is too high to the stability of die carrier is hardly guaranteed, leads to normally erectting the template that is used for pouring unsettled roof beam on the die carrier.

At present, an I-shaped steel beam is generally adopted as an overhanging support, the inner end part and the outer end part of the I-shaped steel beam are fixedly arranged on a floor slab, U-shaped screws are pre-embedded in the positions, corresponding to the I-shaped steel beam, on the floor slab, and the screws at the two ends of the U-shaped screws are respectively positioned on the two sides of the I-shaped steel beam and are fixed on the I-shaped steel beam through transverse plates and nuts; the outer end part of the steel I-beam is positioned on the outer side of the floor slab, and then a scaffold is directly built at the outer end part of the steel I-beam, wherein the scaffold is mainly used for standing people and placing construction materials and tools with small weight, but the structural strength of the outer end part of the steel I-beam is poor, and the bearing requirement cannot be met; the stability of the end part of the outer end of the I-shaped steel beam is poor, when a formwork for pouring concrete is arranged on the formwork and the concrete is poured in the formwork, the combination of the suspended beam and the fixed beam is influenced, so that the construction requirement of the suspended beam cannot be met by the conventional suspended beam.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model provides a bearing type bearing support structure that encorbelments for constructing unsettled roof beam, aim at provides stable foundation support structure for erectting the die carrier, reduces the height of erectting the die carrier, improves the structural strength of cantilever beam outer end tip, satisfies in the unsettled Liang Shiji foundation support structure's of construction requirement on bearing and stability.

A bearing type overhanging support structure for constructing an overhanging beam comprises an overhanging beam, wherein the inner end part and the middle part of the overhanging beam are fixedly arranged on a floor slab, the outer end part of the overhanging beam is positioned on the outer side of the floor slab, the overhanging beam is made of H-shaped steel, a lower edge wing plate of the overhanging beam is provided with a floor slab joint, vertical embedded screws are distributed on the floor slab corresponding to the inner end part and the middle part of the overhanging beam, the embedded screws sequentially penetrate through a lower flange plate and an upper flange plate of the overhanging beam and then are in threaded connection with a fixed nut, and the embedded screws are uniformly distributed on two sides of a web plate of the overhanging beam; and a supporting steel beam is fixedly connected between the end parts of the outer ends of the adjacent cantilever beams and is inclined relative to the cantilever beams.

The utility model discloses a theory of operation: during construction, the preset screw rods are embedded in the positions set on the floor slab, the cantilever beams are placed corresponding to the preset screw rods, the preset screw rods penetrate through the flange plates of the cantilever beams and are fixed through the fixing screw caps, the supporting steel beams are fixedly connected to the end portions of the outer ends of the cantilever beams, the formwork is built on the cantilever beams and the supporting steel beams, the formwork is arranged on the formwork, finally, concrete is poured into the formwork, and the concrete is integrally connected with the fixing beams after solidification to form the cantilever beams.

For the structural strength who improves the support girder steel, prevent to support the deformation of girder steel and die carrier stabilizer blade contact and produce sunkenly, further: the supporting steel beam is a channel steel, the opening direction of the channel steel is horizontally arranged, and the lower side wall face of the channel steel is fixedly connected to the top face of the cantilever beam and attached to the top face.

When the stabilizer blade of pouring the frame is fixed on the cantilever beam, for making the support girder steel step down the stabilizer blade, it is further: the included angle between the long direction of the supporting steel beam and the long direction of the cantilever beam is 80-85 degrees.

According to project requirements, simulating stress and deformation by adopting information software, thereby meeting the bearing requirements of the project, and further: the suspension length of the cantilever beam should be less than two meters, and the contact length of the cantilever beam and the floor slab should be more than seven meters.

In order to improve the fixed strength between cantilever beam and the floor, further: two pre-buried screw rod is that a set of pre-buried screw rod and symmetry set up cantilever beam's web both sides are every all be provided with five groups of pre-buried screw rods on the cantilever beam, wherein, two sets of pre-buried screw rods are close to cantilever beam's the inner end, and two sets of pre-buried screw rods are close to the border position of floor, and a set of pre-buried screw rod is located cantilever beam's the inner end to the intermediate position at floor border.

The utility model has the advantages that: the H-shaped steel with strong bearing capacity is used as the cantilever beam, and the H-shaped steel is fixedly connected with the cantilever beam in a mode that the embedded screw penetrates through the flange plate of the cantilever beam, so that the fixed structure of the cantilever beam and the floor slab is more stable, and the bearing capacity and the stability of the outer end part of the cantilever beam are improved; the two ends of the supporting steel beam are respectively and fixedly connected with the outer end parts of two adjacent cantilever beams, so that the stability of the outer end part of each cantilever beam is further strengthened, and meanwhile, the supporting steel beam is obliquely arranged, so that the supporting legs on the same side of the die carrier can be conveniently placed and fixed on the cantilever beams and the supporting steel beam; the utility model discloses the die carrier that can effectively support unsettled roof beam supports the system, guarantees the steadiness that unsettled roof beam die carrier supported the system, guarantees the normal pouring of unsettled roof beam concrete.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic view of the connection structure of the middle cantilever beam, the pre-buried screw and the floor slab of the present invention;

fig. 3 is a schematic side view of the formwork and the formwork of the present invention;

fig. 4 is a schematic view of a connecting structure of a belt structure layer, a fixed beam, a suspended beam and a coal conveying trestle.

In the figure, 1, a floor slab; 2. a cantilever beam; 21. a lower flange plate; 22. a web; 23. an upper flange plate; 3. supporting the steel beam; 4. pre-burying a screw; 41. fixing a nut; 5. a mold frame; 6. a template; 7. a belt structure layer; 71. a fixed beam; 72. a suspended beam; 8. coal conveying trestle.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. The terms of left, middle, right, upper and lower directions in the examples of the present invention are only relative concepts or reference to the normal use status of the product, and should not be considered as limiting.

A bearing type overhanging support structure for constructing an overhanging beam is disclosed, as shown in fig. 1 and fig. 2, and comprises an overhanging beam 2, wherein the inner end part and the middle part of the overhanging beam 2 are fixedly arranged on a floor slab 1, the outer end part of the overhanging beam 2 is positioned on the outer side of the floor slab 1, the overhanging beam 2 is H-shaped steel, a lower edge wing plate 21 of the overhanging beam 2 is jointed with the floor slab 1, vertical embedded screws 4 are distributed on the floor slab 1 corresponding to the inner end part and the middle part of the overhanging beam 2, the embedded screws 4 sequentially penetrate through a lower flange plate 21 and an upper flange plate 23 of the overhanging beam 2 and are in threaded connection with a fixed nut 41, and the embedded screws 4 are uniformly distributed on two sides of a web plate 22 of the overhanging beam 2; adjacent all fixedly connected with support girder steel 3 between 2 outer end tip of cantilever beam, support girder steel 3 is relative cantilever beam 2 slope sets up. The supporting steel beam 3 is a channel steel, the opening direction of the channel steel is horizontally arranged, and the lower side wall face of the channel steel is welded on the top face of the cantilever beam and is attached to the top face. The included angle between the long direction of the support steel beam 3 and the long direction of the cantilever beam 2 is 80-85 degrees. The suspension length of the cantilever beam 2 should be less than two meters, and the contact length of the cantilever beam 2 and the floor slab 1 should be more than seven meters. As shown in fig. 1, two pre-buried screws 4 are a group of pre-buried screws 4 and are symmetrically arranged on two sides of a web 22 of the cantilever beam 2, and each cantilever beam 2 is provided with five groups of pre-buried screws 4, wherein two groups of pre-buried screws 4 are close to the inner end of the cantilever beam 2, two groups of pre-buried screws 4 are close to the edge of the floor slab 1, and a group of pre-buried screws 4 are located from the inner end of the cantilever beam 2 to the middle position of the edge of the floor slab 1.

The utility model discloses a theory of operation: as shown in fig. 3, during construction, the preset screw rods 4 are embedded in the positions set on the floor slab 1, the cantilever beam 2 is placed corresponding to the preset screw rods 4, the preset screw rods 4 penetrate through the flange plate of the cantilever beam 2 and are fixed through the fixing screw caps 41, the supporting steel beam 3 is fixedly connected to the end portion of the outer end of the cantilever beam 2, the formwork 5 is built on the cantilever beam 2 and the supporting steel beam 3, the formwork 6 is provided with the formwork, concrete is poured in the formwork 6, and the concrete is integrally connected with the fixing beam after being solidified to form the cantilever beam.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a bearing type bearing structure of encorbelmenting for constructing unsettled roof beam, includes cantilever beam, cantilever beam's inner tip and middle part set firmly on the floor, cantilever beam's outer end tip is located the outside of floor, its characterized in that: the cantilever beam is H-shaped steel, the floor slab is attached to a lower edge wing plate of the cantilever beam, vertical embedded screws are distributed on the floor slab corresponding to the inner end part and the middle part of the cantilever beam, the embedded screws sequentially penetrate through a lower flange plate and an upper flange plate of the cantilever beam and then are in threaded connection with a fixed nut, and the embedded screws are distributed on two sides of a web plate of the cantilever beam; and a supporting steel beam is fixedly connected between the end parts of the outer ends of the adjacent cantilever beams and is inclined relative to the cantilever beams.

2. The load-bearing overhanging support structure for constructing suspended beams according to claim 1, characterized in that: the supporting steel beam is a channel steel, the opening direction of the channel steel is horizontally arranged, and the lower side wall face of the channel steel is fixedly connected to the top face of the cantilever beam and is attached to the top face.

3. The load-bearing overhanging support structure for constructing suspended beams according to claim 1, characterized in that: the included angle between the long direction of the supporting steel beam and the long direction of the cantilever beam is 80-85 degrees.

4. The load-bearing overhanging support structure for constructing suspended beams according to claim 1, characterized in that: the suspension length of the cantilever beam should be less than two meters, and the contact length of the cantilever beam and the floor slab should be more than seven meters.

5. The load-bearing overhanging support structure for constructing suspended beams according to claim 1, characterized in that: two pre-buried screw rod is that a set of pre-buried screw rod and symmetry set up cantilever beam's web both sides are every all be provided with five groups of pre-buried screw rods on the cantilever beam, wherein, two sets of pre-buried screw rods are close to cantilever beam's the inner end, and two sets of pre-buried screw rods are close to the border position of floor, and a set of pre-buried screw rod is located cantilever beam's the inner end to the intermediate position at floor border.

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