CN211421637U - A connection structure of a prefabricated gutter - Google Patents

Abstract

The utility model discloses a connection structure of a prefabricated gutter, which comprises a beam and a prefabricated gutter with one end resting on the beam. The prefabricated gutter is an L-shaped structure formed by integral casting of concrete, comprising a vertical plate and a horizontal plate. The end away from the vertical plate is provided with a reverse sill, and the bottom concrete of the vertical plate is embedded with a corrugated pipe; The top end of the anchoring steel bar extends into the bellows. The prefabricated gutter of this scheme does not produce ribs, the production mold is simple, the number of mold turnover is high, and the loading rate in the transportation stage is improved; there is no need to erect vertical supports on the bottom side at the construction site, which improves the construction efficiency on site; the bottom of the prefabricated gutter is The diameter of the reserved bellows hole is large, and the fault tolerance rate is high when the anchoring steel bar is inserted, which is convenient to adjust the positional relationship between the prefabricated gutter and other prefabricated components; the prefabricated gutter and the beam are connected together reliably, which is conducive to ensuring the construction quality and safety.

Description

A connection structure of a prefabricated gutter

technical field

The utility model belongs to the technical field of prefabricated buildings, in particular, the utility model relates to a connection structure of a prefabricated gutter.

Background technique

In prefabricated buildings, the connection structure of prefabricated gutters is the key and difficult point in ensuring the quality and waterproofing of prefabricated buildings. It is necessary to ensure structural safety; to ensure the normal drainage of gutters, and to prevent water seepage at the nodes of prefabricated gutters; Overall consideration of the implementation difficulty and cost of manufacturing, transportation and final assembly.

The common problems of the gutter in the prior art are: the inefficiency of manufacturing and construction, or the use of cast-in-place method to avoid water seepage, resulting in a lot of wet work on site and high labor costs. For example, the utility model patent "An Assembled Steel Structure Roof Gutter Falling Water Junction" (publication number CN208329407U) adopts a steel structure, which is not suitable for reinforced concrete buildings; The height of the gutter is also relatively high, and it needs to be more reliably connected with the main structure of the building during installation. To sum up, it is urgent to develop a new connection structure for prefabricated gutters to improve production and construction efficiency, so that prefabricated gutters can be more firmly connected to the main body of the building, while simplifying on-site construction steps and reducing labor costs. cost.

Utility model content

The technical problem to be solved by the utility model is: to provide a connection structure of a prefabricated gutter, so as to solve the problems existing in the prior art that the manufacturing and construction efficiency is not high, and the connection between the large-scale prefabricated gutter and the main body of the building is unreliable. .

In order to achieve the above-mentioned purpose, the technical scheme that the utility model takes is:

A connection structure of a prefabricated gutter, comprising a beam and a prefabricated gutter with one end resting on the beam, the prefabricated gutter is an L-shaped structure formed by integral casting of concrete, including a vertical plate and a horizontal plate, the The end of the horizontal plate away from the vertical plate is provided with a reverse sill, and a corrugated pipe is pre-buried in the bottom concrete of the vertical plate; the beam is a composite beam or a fully prefabricated beam, and the composite beam or fully prefabricated beam An anchoring steel bar protrudes from the top side of the beam, and the top end of the anchoring steel bar extends into the corrugated tube.

Preferably, the composite beam includes a prefabricated part and a cast-in-place part, and the bottom surface of the inner side of the vertical plate is pressed against the top surface of the cast-in-place part.

Preferably, an L-shaped support member is further provided on the indoor side of the vertical plate, the L-shaped support member includes a first embedded plate and a second support plate that are perpendicular to each other, and the first embedded plate is anchored to the The second support plate rests on the top side of the beam in the concrete on the inner side of the vertical plate.

Preferably, adjustment bolts are further provided on the second support plate, and the adjustment bolts pass through the threaded holes on the second support plate and are pressed against the top side of the beam.

Preferably, a first sleeve is pre-embedded on the indoor side surface of the vertical plate.

Preferably, the anchoring steel bars are L-shaped steel bars, the long sides of the L-shaped steel bars are anchored in the prefabricated part, the cast-in-place part and the corrugated pipe in sequence, and the short sides of the L-shaped steel bars are anchored to the Precast section in concrete.

Preferably, the anchoring reinforcement comprises a fixedly connected connection reinforcement, a second sleeve and an anchoring leg, the connection reinforcement is anchored in the bellows and the cast-in-place concrete of the superimposed beam, and the second Both the sleeve and the anchoring legs are pre-embedded in the concrete of the prefabricated part of the composite beam, and the open end of the second sleeve is flush with the top side surface of the prefabricated part.

Preferably, it also includes a pitched roof, and the bottom side of the pitched roof rests on the top side of the prefabricated gutter.

The bottom of the sloping roof is also provided with a support truss, the indoor top of the prefabricated gutter is provided with a gap, and an I-beam is provided at the gap, and the support truss rests on the top surface of the I-beam.

It also includes a prefabricated outer wall panel arranged on the bottom surface of the prefabricated gutter, the prefabricated outer wall panel is connected with the beam, and the horizontal plate of the prefabricated gutter is pressed against the top side of the prefabricated outer wall panel.

The assembling method of the connection structure of the above-mentioned prefabricated gutter comprises the following steps:

S1, hoisting and positioning the beam;

S2. Hoist and position the prefabricated gutter, and align the corrugated pipe at the bottom of the prefabricated gutter with the anchoring steel bars protruding from the top side of the beam;

S3. Provide temporary support to the indoor side of the prefabricated gutter;

S4. Pour high-strength mortar into the corrugated pipe of the prefabricated gutter, and remove the temporary support after the mortar reaches the design strength.

Preferably, when the beam in the step S1 is a composite beam, the specific steps in the step S1 include: hoisting and positioning the prefabricated part of the composite beam, erecting a formwork and pouring the concrete of the cast-in-place part, and removing the formwork after curing and forming.

Preferably, when the anchoring legs and the second sleeve are pre-embedded in the prefabricated part of the superimposed beam in the step S1, the step S1 also includes connecting the connecting bars of the anchoring steel bars with the second sleeve before pouring the concrete of the cast-in-place part. The socket connection is fixed.

Preferably, the step S1 further includes setting the prefabricated outer wall panels, hoisting and positioning the prefabricated outer wall panels, and connecting the prefabricated outer wall panels to the beams.

Preferably, step S5 is also included in the joint waterproofing treatment: at the joint between the prefabricated gutter and the prefabricated exterior wall panel or the sloping roof, a foamed polyethylene rod and sealant are used to seal the joint.

The beneficial technical effects obtained by the technical solution of the present utility model are:

The prefabricated gutter in this scheme has no ribs during production, the production mold is simple, the demoulding efficiency is high, the number of mold turnover is high, and the loading rate during the transportation stage is improved, avoiding the safety caused by the protruding steel bars from the edge of the prefabricated member. There is no need to set up vertical support or cast-in-place formwork on the bottom side of the construction site, which improves the site construction efficiency and reduces the construction cost; and the bellows hole reserved at the bottom of the prefabricated gutter has a large diameter, and the anchoring steel bar is inserted into The fault tolerance rate is high, and it is easy to adjust the positional relationship between the prefabricated gutter and other prefabricated components; the prefabricated gutter and the beam are connected together reliably, which is conducive to ensuring the quality and safety of the building.

Description of drawings

The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention.

Fig. 1 is the vertical sectional view of the connection structure of the prefabricated gutter in embodiment 1;

Fig. 2 is the vertical sectional view of the connection structure of the prefabricated gutter in embodiment 2;

Fig. 3 is the three-dimensional structure schematic diagram of anchoring steel bar in embodiment 2;

Reference numerals: 1- prefabricated gutter, 2- laminated beam, 3- corrugated pipe, 4- L-shaped steel bar, 5- L-shaped support, 6- vertical plate, 7- horizontal plate, 8- reverse sill, 9-First sleeve, 11-Second sleeve, 12-Anchoring legs, 13-Blocking material, 14-Connecting ribs, 15-Floor slab, 16-Prefabricated exterior wall panel, 17-Slope roof, 18-Support Truss, 19-I-beam.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. In addition, according to the description in this document, those skilled in the art can make corresponding combinations of features in the embodiments in this document and in different embodiments.

Example 1

Referring to schematic diagram 1, the connection structure of the prefabricated gutter 1 in this embodiment includes a superimposed beam 2 and a prefabricated gutter 1 with one end resting on the beam. The prefabricated gutter 1 is an L-like structure formed by integral casting of concrete, including a vertical plate 6 and a horizontal plate 7. The end of the horizontal plate 7 away from the vertical plate 6 is provided with a reverse sill 8. The bellows 3 is buried. The composite beam 2 includes a prefabricated part and a cast-in-place part, and the bottom surface of the vertical plate 6 is pressed against the top surface of the cast-in-place part. An anchoring steel bar protrudes from the top side of the superimposed beam 2 , and the top end of the anchoring steel bar extends into the corrugated pipe 3 of the prefabricated gutter 1 . High-strength mortar is filled in the corrugated pipe 3 to connect the anchoring steel bar and the corrugated pipe 3 together, so as to realize the connection between the prefabricated gutter 1 and the superimposed beam 2 . In this embodiment, the inner diameter of the corrugated pipe 3 is 100 mm, and the diameter of the top of the anchoring steel bar is 18 mm. Therefore, the corrugated pipe 3 has a large diameter relative to the anchoring steel bar, which facilitates the adjustment of the position map of the prefabricated gutter 1 on the superimposed beam 2 , the position adjustment of the prefabricated gutter 1 in the range of close to 90mm in front, rear, left and right can be realized. Adjustment of the vertical position of the prefabricated gutter 1 can be achieved by arranging adjustment pads on the top surface of the superimposed beam 2 . In this way, the fault tolerance rate of on-site construction is high, the operation is relatively convenient, and the construction efficiency is high.

In other embodiments, the beams can be fully prefabricated beams, anchoring steel bars are pre-embedded in the concrete of the fully prefabricated beams, and the tops of the anchoring steel bars protrude from the top surface of the beams and connect with the pre-embedded corrugated pipes 3 in the bottom side of the prefabricated gutter 1. Connected by high-strength mortar.

Continue to refer to schematic diagram 1, in this embodiment, the anchoring steel bar is L-shaped steel bar 4, the short side of the L-shaped steel bar 4 is anchored in the concrete of the prefabricated part, and the long side of the L-shaped steel bar 4 is sequentially anchored in the prefabricated part, the cast-in-place part and the bellows 3.

Referring to schematic diagram 1, on the basis of this embodiment, in another improved embodiment, an L-shaped support member 5 is also provided on the indoor side of the vertical plate 6, and the L-shaped support member 5 includes a first pre-embedded perpendicular to each other. Plate and second support plate, the first embedded plate is anchored in the concrete on the indoor side of the vertical plate 6, and the second support plate rests on the top side of the beam. The second support plate is also provided with adjustment bolts, which pass through the threaded holes on the second support plate and are pressed against the top side of the beam.

Referring to schematic diagram 1, on the basis of this embodiment, in another improved embodiment, a first sleeve 9 is pre-embedded on the indoor side surface of the vertical plate 6 . In this way, after the prefabricated gutter 1 is hoisted, the top end of the oblique support can be connected and fixed with the first sleeve 9 , and the bottom end can be fixed on the floor 15 inside the room, thereby realizing the temporary fixation of the prefabricated gutter 1 .

The assembling method of the connection structure of the prefabricated gutter 1 in this embodiment includes the following steps:

S1, hoisting and positioning the prefabricated part of the superimposed beam 2, erecting a formwork and pouring the concrete of the cast-in-place part, and removing the formwork after curing and forming;

S2, hoist and position the prefabricated gutter 1, and align the corrugated pipe 3 at the bottom of the prefabricated gutter 1 with the anchoring steel bars protruding from the top side of the beam;

S3. Set temporary support on the indoor side of the prefabricated gutter 1;

S4, pour high-strength mortar into the corrugated pipe 3 of the prefabricated gutter 1, and remove the temporary support after the mortar reaches the design strength.

On the basis of this embodiment, in another improved embodiment, a prefabricated outer wall panel 16 is provided on the outdoor side of the superimposed beam 2. Therefore, after the prefabricated part of the superimposed beam 2 is hoisted in step S1, it is then hoisted and positioned. The prefabricated outer wall panels 16 are connected to the beams, and then the concrete of the cast-in-place part is poured to connect the prefabricated outer wall panels 16 and the composite beams 2 together.

On the basis of this embodiment, in another improved embodiment, it also includes step S5 joint waterproofing treatment: using foamed polyethylene rod and sealant at the joint between the prefabricated gutter 1 and the prefabricated outer wall panel 16 Seal the seams.

On the basis of this embodiment, in another improved embodiment, a floor plate 15 is further provided on the indoor side of the composite beam 2 , and a groove is provided at the connecting end of the floor plate 15 . In step S1, the floor slab 15 is hoisted and the bottom of the groove is pressed on the top surface of the prefabricated part of the composite beam 2, and then the cast-in-place part of the composite beam 2 and the concrete inside the groove are poured, and the floor slab 15 and the composite beam 2 are poured connected.

Example 2

Referring to schematic diagram 2 and FIG. 3 , the connection structure of the prefabricated gutter 1 in this embodiment includes a prefabricated gutter 1 and a laminated beam 2, wherein the prefabricated gutter 1 has the same structure as that in the embodiment 1, and is formed by integral casting of concrete. L-like structure. The indoor side bottom surface of the prefabricated gutter 1 is pressed against the top surface of the laminated beam 2. The top of the anchoring steel bars embedded in the laminated beam 2 extends into the corrugated pipe 3 of the prefabricated gutter 1, and the high-strength mortar is poured into the corrugated steel pipe. The two connections are fixed. The difference between this embodiment and Embodiment 1 lies in the structure of the anchoring steel bar. The anchoring steel bar in this embodiment includes a fixed connection connecting bar 14, a second sleeve 11 and an anchoring leg 12, and the connecting bar 14 is anchored in the corrugated pipe. 3 and the cast-in-place concrete of the superimposed beam 2, the second sleeve 11 and the anchoring legs 12 are pre-buried in the concrete of the precast part of the superimposed beam 2, and the open end of the second sleeve 11 is connected to the top of the precast part. The side surfaces are flush. In this way, the prefabricated part of the superimposed beam 2 has no steel bar protruding during production, which reduces the complexity of the production mold, improves the demoulding efficiency, and avoids the protruding steel bar being easily bent during transportation of the prefabricated member and the protruding steel bar is opposite. Problems such as potential safety hazards for operators; after the prefabricated part of the composite beam 2 is hoisted at the construction site, one end of the connecting rib 14 and the open end of the second sleeve 11 are screwed together, and then the cast-in-place concrete is poured That's it.

Continue to refer to schematic diagram 2, on the basis of this embodiment, in another improved embodiment, the connection structure of the prefabricated gutter 1 further includes a pitched roof 17, and the bottom side of the pitched roof 17 rests on the top side of the prefabricated gutter 1 . The bottom of the sloping roof 17 is also provided with a supporting truss 18 , the indoor top of the prefabricated gutter 1 is provided with a gap, and the gap is provided with an I-beam 19 .

Continuing to refer to schematic diagram 2, on the basis of this embodiment, in another improved embodiment, it also includes a prefabricated outer wall panel 16 arranged on the bottom surface of the prefabricated gutter 1, and the prefabricated outer wall panel 16 is connected with the laminated beam 2, The horizontal panel 7 of the prefabricated gutter 1 is pressed against the top side of the prefabricated outer wall panel 16 .

The construction steps of the connection structure of the prefabricated gutter 1 in this embodiment are basically the same as those in Embodiment 1, the difference is that: before pouring the concrete of the cast-in-place part in step S1, the connecting bars 14 of the anchoring steel bars are first connected to the second sleeve. 11 Connection is fixed.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (10)

1. the connection structure of a prefabricated gutter, is characterized in that, comprises beam and the prefabricated gutter that one end rests on described beam, and described prefabricated gutter is the class L-shaped structure of concrete integral casting molding, including vertical plate and a horizontal plate, the end of the horizontal plate away from the vertical plate is provided with a reverse sill, and a corrugated pipe is pre-buried in the bottom concrete of the vertical plate; the beam is a composite beam or a fully prefabricated beam, the An anchoring steel bar protrudes from the top side of the superimposed beam or the fully prefabricated beam, and the top end of the anchoring steel bar extends into the corrugated tube. 2 . The connection structure of a prefabricated gutter according to claim 1 , wherein the superimposed beam comprises a prefabricated part and a cast-in-place part, and the inner bottom surface of the vertical plate is pressed against the top surface of the cast-in-place part. 3 . 3 . The connection structure of the prefabricated gutter according to claim 2 , wherein an L-shaped support member is further provided on the indoor side surface of the vertical plate, and the L-shaped support member comprises a first pre-embedded perpendicular to each other. 4 . A plate and a second support plate, the first embedded plate is anchored in the concrete on the inner side of the vertical plate, and the second support plate rests on the top side of the beam. 4 . The connection structure of the prefabricated gutter according to claim 3 , wherein the second support plate is further provided with adjustment bolts, and the adjustment bolts pass through the threaded holes on the second support plate and are threaded. 5 . Press on the top side of the beam. 5 . The connection structure of the prefabricated gutter according to claim 4 , wherein a first sleeve is pre-embedded on the indoor side surface of the vertical plate. 6 . 6 . The connection structure of a prefabricated gutter according to claim 2 , wherein the anchoring steel bar is an L-shaped steel bar, and the long sides of the L-shaped steel bar are sequentially anchored to the prefabricated part, the cast-in-place part and the other parts. 7 . In the corrugated pipe, the short side of the L-shaped steel bar is anchored in the concrete of the prefabricated part. 7 . The connection structure of the prefabricated gutter according to claim 2 , wherein the anchoring reinforcement comprises a fixedly connected connection reinforcement, a second sleeve and an anchoring leg, and the connection reinforcement is anchored in the corrugated pipe. 8 . And in the concrete of the cast-in-place part of the superimposed beam, the second sleeve and the anchoring legs are both pre-buried in the precast concrete of the superimposed beam, and the open end of the second sleeve is connected to the concrete of the precast part of the superimposed beam. The top side surface of the prefab is flush. 8 . The connection structure of the prefabricated gutter according to claim 1 , further comprising a pitched roof, the bottom side of the pitched roof resting on the top side of the prefabricated gutter. 9 . 9 . The connection structure of the prefabricated gutter according to claim 8 , wherein the bottom of the pitched roof is further provided with a supporting truss, the interior top of the prefabricated gutter is provided with a gap, and the gap is provided with I-beam, the support truss rests on the top surface of the I-beam. 10 . The connection structure of the prefabricated gutter according to claim 8 , further comprising a prefabricated outer wall panel arranged on the bottom surface of the prefabricated gutter, the prefabricated outer wall panel is connected to the beam, and the The horizontal panels of the prefabricated gutter are pressed against the top side of the prefabricated exterior wall panels.

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