CN212388904U - Laminated precast concrete elevator well way connecting device - Google Patents

Laminated precast concrete elevator well way connecting device Download PDF

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Publication number
CN212388904U
CN212388904U CN202021226107.5U CN202021226107U CN212388904U CN 212388904 U CN212388904 U CN 212388904U CN 202021226107 U CN202021226107 U CN 202021226107U CN 212388904 U CN212388904 U CN 212388904U
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China
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segment
elevator shaft
prefabricated
floor
precast concrete
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CN202021226107.5U
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Chinese (zh)
Inventor
陈浩
张明亮
王江营
陈维超
唐伟军
龙新乐
曾庆国
邹红
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Hunan Provincial Construction Technology Research Institute
Hunan Construction Engineering Group Co ltd
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Hunan Provincial Construction Technology Research Institute
Hunan Construction Engineering Group Co ltd
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Priority to CN202021226107.5U priority Critical patent/CN212388904U/en
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Abstract

A laminated precast concrete elevator shaft connecting device comprises a floor plate, a floor beam, an extruded sheet, a corrugated pipe, reinforcing steel bars, grouting materials, an upper section precast elevator shaft, a lower section precast elevator shaft and mortar; the prefabricated elevator shaft of upper segment and lower segment, prefabricated elevator shaft of lower segment and floor beam difference fixed connection are between prefabricated elevator shaft of upper segment and the floor beam of upper strata to extruded sheet, and the bellows is arranged at prefabricated elevator shaft top of upper segment and floor beam bottom portion of upper segment, and the reinforcing bar is arranged in the bellows, and the grout material is arranged in the bellows, and the mortar is arranged between prefabricated elevator shaft of upper segment and lower segment and between prefabricated elevator shaft of lower segment and floor plate, prefabricated elevator shaft of upper segment and lower segment, prefabricated elevator shaft of lower segment and floor beam respectively. The utility model has the advantages of simple process, installation are convenient, the quality is reliable, and the scene only has little wet work, can not produce building rubbish, satisfies assembled building each item requirement.

Description

Laminated precast concrete elevator well way connecting device
Technical Field
The utility model relates to a range upon range of formula precast concrete elevator well way, concretely relates to range upon range of formula precast concrete elevator well way connecting device.
Background
With the continuous improvement of the economic level and the construction level of China, more and more multi-storey, high-rise and super high-rise buildings appear, and elevators are indispensable equipment. The multi-story and high-rise buildings usually adopt structural systems such as frames, frames and shear walls, elevator shafts in the structures such as the frames, the frames and the shear walls generally adopt bricked or prefabricated wallboards to form shafts on floor beams (except for adopting cast-in-place concrete load-bearing shear walls as the shafts), and the adoption of the bricked shafts or the prefabricated wallboards has the following defects: firstly, the procedure of bricking the elevator well is various, labor and time are wasted, the influence of human factors is large, and the quality is difficult to ensure. Secondly, cast-in-place concrete constructional columns and ring beams need to be arranged at certain intervals in the brick elevator shaft, the space in the elevator shaft is narrow, and the templates of cast-in-place components are difficult to support and disassemble, so that safety accidents are easy to occur. And thirdly, the brick elevator shaft is adopted, so that the field wet operation is more, the process is complex, the efficiency is low, and the energy conservation and the environmental protection are not facilitated. And fourthly, the shaft is assembled by adopting the prefabricated wall boards, the field assembling times are more, the assembling joints are more, the connection between the wall boards is more, the integrity of the shaft is not good, although the shaft is greatly improved compared with the brick shaft, the larger field workload still exists, and the efficiency is still to be improved. Elevator equipment is generally purchased after the construction of the shaft is completed, so that the hole positions of a calling box, an interlayer display box and the like of the elevator need to be drilled on site in the upper and lower stages of a brick shaft or a prefabricated wallboard shaft, the field workload is increased, and the construction quality is influenced.
In recent years, the development of fabricated buildings is faster and faster, the market demand for fabricated parts is stronger and stronger, but no precast concrete elevator shaft products are seen, and meanwhile, the problem to be researched and solved is how to connect and install the products.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, it is various, take a lot of time to waste, the wholeness is poor, construction quality is difficult to guarantee, environmental impact is big etc. not enough range upon range of formula precast concrete elevator shaft way connecting device to improve the process that can overcome adopting in current many, high-rise building frame, frame-shear force wall isotructure system or prefabricated wallboard elevator well.
The utility model provides a technical scheme that its technical problem adopted is: a laminated precast concrete elevator shaft connecting device comprises a floor plate, a floor beam, an extruded sheet, a corrugated pipe, reinforcing steel bars, grouting materials, an upper section precast elevator shaft, a lower section precast elevator shaft and mortar; prefabricated elevator well of upper segment arranges on the prefabricated elevator well of lower segment, the prefabricated elevator well of lower segment arranges on the floor panel, the floor panel arranges on the floor roof beam, the extruded sheet is arranged between the floor roof beam of prefabricated elevator well of upper segment and upper strata, the floor roof beam bottom of prefabricated elevator well top of upper segment and upper strata is arranged to the bellows, the reinforcing bar is arranged in the bellows, grout material arranges in the bellows, fills the hole between bellows and the reinforcing bar, the mortar is arranged between prefabricated elevator well of upper segment and lower segment and between prefabricated elevator well of lower segment and floor panel, prefabricated elevator well of upper segment and the prefabricated elevator well of lower segment, the prefabricated elevator well of lower segment and floor roof beam are respectively through connecting portion fixed connection.
Further, the connecting part comprises a threaded sleeve, a bolt and a connecting piece, the threaded sleeve is respectively arranged on the floor beam, the upper prefabricated elevator shaft and the lower prefabricated elevator shaft, and the connecting piece is assembled and connected with the threaded sleeve through the bolt.
Furthermore, the extruded sheet can adopt a flame-retardant extruded sheet.
Furthermore, the corrugated pipes are uniformly arranged at the top of the prefabricated elevator shaft of the upper section, 2 corrugated pipes are arranged on each side, and the positions of the corrugated pipes on the floor beam correspond to the positions of the corrugated pipes of the prefabricated elevator shaft of the upper section.
Furthermore, the diameter of the corrugated pipe is larger than or equal to 50mm and is not larger than 1/2 of the wall thickness of the prefabricated elevator shaft.
Further, the diameter of the steel bar is 15-20 mm, and the yield strength standard value is not lower than 400 MPa.
Furthermore, the grouting material can adopt cement-based grouting material or epoxy grouting material, and the compressive strength of the grouting material after solidification in 28 days is not lower than 80 MPa.
Further, the mortar is cement mortar, and the strength is not lower than the M15 grade.
Further, the threaded sleeve can be a threaded steel sleeve, the diameter of the threaded sleeve is not less than 16mm, and the length of the threaded sleeve is not less than 50 mm.
Furthermore, the bolt can adopt a common bolt or a high-strength bolt, the diameter of the bolt is matched with that of the threaded sleeve, and the length of the bolt is not less than 35mm and is not more than that of the threaded sleeve.
Furthermore, the connecting piece can be made of galvanized steel plates, 2 holes are symmetrically formed in the upper portion and the lower portion, the hole diameter of the connecting piece is matched with the diameter of the bolt, and the thickness of the connecting piece is not less than 10 mm.
The technical principle is as follows:
the utility model discloses a two kinds of connecting device of "bellows + reinforcing bar + grout material" and coupling part ("screw sleeve + bolt + connecting piece"), be aided with materials such as extruded sheet, mortar, can install at the required position of building with range upon range of formula precast concrete elevator well way, all installation links all satisfy the assembled building requirement, simple swift, the quality is reliable.
The utility model discloses can install range upon range of formula precast concrete elevator well way in many, high-rise building frame, frame-shear force wall isotructure system, have following advantage: the process is simple, the installation is convenient and fast, the quality is reliable, only a small amount of wet operation is carried out on the site, no construction waste is generated, and various requirements of the assembly type building are met.
Drawings
FIG. 1 is an overall schematic view of a laminated precast concrete elevator shaft;
fig. 2 is a schematic structural view of an upper prefabricated elevator hoistway of the system of fig. 1;
fig. 3 is a schematic structural view of a lower prefabricated elevator hoistway of the system of fig. 1;
FIG. 4 is a cross-sectional elevation view of the system of FIG. 1;
FIG. 5 is an enlarged detail view of section A of FIG. 4;
FIG. 6 is a vertical cross-sectional view (parallel to the plane of the drawing) of the central portion of portion A in FIG. 4;
FIG. 7 is an enlarged detail view of portion B of FIG. 4
FIG. 8 is a vertical view of the portion B in FIG. 4 taken along the longitudinal section (vertical to the page) of the central portion of the bolt;
FIG. 9 is an enlarged detail view of section C of FIG. 4;
FIG. 10 is a vertical view of the portion C in FIG. 4 taken along the longitudinal section (vertical to the page) of the central portion of the bolt;
in the figure: 1. floor slab, 2, floor beam, 3, extruded sheet, 4, corrugated pipe, 5, reinforcing steel bar, 6, grouting material, 7, lifting hole, 8, upper prefabricated elevator shaft, 9, lower prefabricated elevator shaft, 10, mortar, 11, threaded sleeve, 12, bolt, 13, connecting piece, D-elevator shaft outside and E-elevator shaft inside.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Examples
Description of the drawings: the system of the laminated precast concrete elevator shaft consisting of the upper and the lower 2 sections of precast elevator shafts is shown as an example.
Referring to the attached drawings, the laminated precast concrete elevator shaft connecting device comprises a floor plate 1, a floor beam 2, an extruded sheet 3, a corrugated pipe 4, reinforcing steel bars 5, grouting materials 6, an upper section precast elevator shaft 8, a lower section precast elevator shaft 9 and mortar 10; prefabricated elevator well 8 of upper segment arranges on prefabricated elevator well 9 of lower segment, prefabricated elevator well 9 of lower segment arranges on floor panel 1, floor panel 1 arranges on floor beam 2, extruded sheet 3 arranges between prefabricated elevator well 8 of upper segment and floor beam 2 of upper strata, bellows 4 arranges in the prefabricated elevator well 8 top of upper segment and floor beam 2 bottom of upper strata, reinforcing bar 5 arranges central point in bellows 4, grout material 6 arranges in bellows 4, fills the hole between bellows 4 and reinforcing bar 5, mortar 10 arranges between prefabricated elevator well 8 of upper segment and prefabricated elevator well 9 of lower segment (be equipped with the tongue-and-groove between prefabricated elevator well 8 of upper segment and the prefabricated elevator well 9 of lower segment) and between prefabricated elevator well 9 of lower segment and floor panel 1, prefabricated elevator well 8 of upper segment and the prefabricated elevator well 9 of lower segment, The lower prefabricated elevator shaft 9 is fixedly connected with the floor beam 2 through connecting parts respectively.
In this embodiment, the connection portion includes a threaded sleeve 11, a bolt 12, and a connection member 13, the threaded sleeve 11 is respectively disposed on the floor beam 2, the upper prefabricated elevator shaft 8, and the lower prefabricated elevator shaft 9, and the connection member 13 is assembled and connected with the threaded sleeve 11 through the bolt 12.
In this embodiment, the prefabricated elevator well 8 of upper segment, the prefabricated elevator well 9 of lower segment have arranged hoisting hole 7 on.
In this embodiment, the extruded sheet 3 is a flame-retardant extruded sheet, and has a thickness of 20 mm. The extruded sheet 3 is used for filling a gap between the floor beam 2 and the upper prefabricated elevator shaft 9, and meanwhile, the extruded sheet 3 does not limit the stress deformation of the floor beam 2 and does not change the working principle of the existing structural stress system.
In this embodiment, the corrugated pipes 4 are uniformly arranged at the top of the prefabricated elevator shaft 9 at the upper section, 2 corrugated pipes are arranged on each side, and the positions of the corrugated pipes 4 on the floor beam 2 correspond to the positions of the corrugated pipes of the prefabricated elevator shaft 9 at the upper section.
In this embodiment, the diameter of the corrugated pipe 4 is 50mm, which is not larger than 1/2 of the wall thickness of the prefabricated elevator shaft. The corrugated pipe 4 is used for forming an independent local space, and is convenient for placing a reinforcing steel bar 5 and pouring grouting material 6 in the corrugated pipe at the later stage.
In this embodiment, the diameter of the steel bar 5 is 18mm, and the standard value of the yield strength is not lower than 400 MPa. The effect of reinforcing bar 5 is connected floor beam 2 and prefabricated elevator well 9 of upper segment, prevents that the two from appearing translation, dislocation in the horizontal direction.
In this embodiment, the grouting material 6 is a cement-based grouting material (or an epoxy grouting material), and the compressive strength of the grouting material after solidification in the 28-day age is not lower than 80 MPa. The grout 6 is used for filling the gap between the corrugated pipe 4 and the reinforcing steel bar 5, so that the reinforcing steel bar 5 can normally work and provide shear-resistant bearing capacity, and the floor beam 2 and the upper prefabricated elevator shaft 9 are prevented from translating and dislocating in the horizontal direction.
In the embodiment, the mortar 10 is cement mortar, and the strength is not lower than M15 grade.
In this embodiment, the threaded sleeve 11 is a threaded steel sleeve, and has a diameter not less than 16mm and a length not less than 50 mm.
In this embodiment, the bolt 12 is a common bolt (or a high-strength bolt), the diameter of which is matched with the threaded sleeve, and the length of which is not less than 35mm and is not more than the length of the threaded sleeve.
In this embodiment, the connecting member 13 is made of galvanized steel plate, and has 2 holes symmetrically formed in the upper and lower portions, the hole diameter of the connecting member is matched with the diameter of the bolt, and the thickness of the connecting member is not less than 10 mm.
The utility model discloses can install range upon range of formula precast concrete elevator well way in many, high-rise building frame, frame-shear force wall isotructure system, have following advantage: the process is simple, the installation is convenient and fast, the quality is reliable, only a small amount of wet operation is carried out on the site, no construction waste is generated, and various requirements of the assembly type building are met.

Claims (10)

1. The utility model provides a range upon range of formula precast concrete elevator well way connecting device which characterized in that: the prefabricated elevator shaft comprises a floor panel, a floor beam, an extruded sheet, a corrugated pipe, a steel bar, grouting material, an upper prefabricated elevator shaft, a lower prefabricated elevator shaft and mortar; prefabricated elevator well of upper segment arranges on the prefabricated elevator well of lower segment, the prefabricated elevator well of lower segment arranges on the floor panel, the floor panel arranges on the floor roof beam, the extruded sheet is arranged between the floor roof beam of prefabricated elevator well of upper segment and upper strata, the floor roof beam bottom of prefabricated elevator well top of upper segment and upper strata is arranged to the bellows, the reinforcing bar is arranged in the bellows, grout material arranges in the bellows, fills the hole between bellows and the reinforcing bar, the mortar is arranged between prefabricated elevator well of upper segment and lower segment and between prefabricated elevator well of lower segment and floor panel, prefabricated elevator well of upper segment and the prefabricated elevator well of lower segment, the prefabricated elevator well of lower segment and floor roof beam are respectively through connecting portion fixed connection.
2. The stacked precast concrete elevator shaft connection device according to claim 1, wherein: the connecting part comprises a threaded sleeve, a bolt and a connecting piece, the threaded sleeve is respectively arranged on the floor beam, the upper prefabricated elevator shaft and the lower prefabricated elevator shaft, and the connecting piece is assembled and connected with the threaded sleeve through the bolt.
3. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the extruded sheet is made of flame-retardant extruded sheet.
4. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the corrugated pipes are uniformly arranged at the top of the prefabricated elevator shaft of the upper section, 2 corrugated pipes are arranged on each side, and the positions of the corrugated pipes on the floor beam correspond to the positions of the corrugated pipes of the prefabricated elevator shaft of the upper section.
5. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the diameter of the corrugated pipe is larger than or equal to 50mm and is not larger than 1/2 of the wall thickness of the prefabricated elevator shaft.
6. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the diameter of the steel bar is 15-20 mm, and the yield strength standard value is not lower than 400 MPa.
7. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the grouting material is cement-based grouting material or epoxy grouting material, and the compressive strength of the grouting material after solidification in the 28-day age is not lower than 80 MPa.
8. The laminated precast concrete elevator shaft connection device according to claim 1 or 2, wherein: the mortar is cement mortar, and the strength is not lower than M15 grade.
9. The stacked precast concrete elevator shaft connection device according to claim 2, wherein: the threaded sleeve is a threaded steel sleeve, the diameter is not less than 16mm, and the length is not less than 50 mm; the diameter of the bolt is matched with that of the threaded sleeve, the length of the bolt is not less than 35mm, and the length of the bolt is not more than that of the threaded sleeve.
10. The stacked precast concrete elevator shaft connection device according to claim 2, wherein: the connecting piece adopts galvanized steel sheet, and upper and lower symmetry is opened 2 holes, and its aperture matches with the bolt diameter, and thickness is not less than 10 mm.
CN202021226107.5U 2020-06-29 2020-06-29 Laminated precast concrete elevator well way connecting device Active CN212388904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021226107.5U CN212388904U (en) 2020-06-29 2020-06-29 Laminated precast concrete elevator well way connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021226107.5U CN212388904U (en) 2020-06-29 2020-06-29 Laminated precast concrete elevator well way connecting device

Publications (1)

Publication Number Publication Date
CN212388904U true CN212388904U (en) 2021-01-22

Family

ID=74255897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021226107.5U Active CN212388904U (en) 2020-06-29 2020-06-29 Laminated precast concrete elevator well way connecting device

Country Status (1)

Country Link
CN (1) CN212388904U (en)

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