A prefabricated multi-tube elevator shaft

Abstract

The present invention discloses a prefabricated multi-tube elevator shaft, which includes an elevator shaft installation unit. The elevator shaft installation unit includes at least one first prefabricated component and two second prefabricated components. Both sides of the first prefabricated component are provided with first clearance areas, and one side of the second prefabricated component is provided with a second clearance area. The side part of the first prefabricated component can be docked with the first prefabricated component or the second prefabricated component, so that the first clearance areas and the first clearance areas or the first clearance areas and the second clearance areas are docked to form an elevator installation area. The elevator shaft installation unit is formed by sequentially docking one second prefabricated component, each first prefabricated component, and another second prefabricated component in the horizontal direction. The prefabricated multi-tube elevator shaft of the present invention has the advantages of controllable quality, convenient construction, cost reduction, and improved safety performance, etc.

Description

Technical Field

[0001] The present invention relates to the technical field of building prefabrication construction, and particularly to a prefabricated multi-tube elevator shaft. Background Art

[0002] In construction projects, the elevator shaft is an extremely special part of the building. Its technical requirements are strict, the construction process is complex, and safety assurance is particularly important. Moreover, after the elevator shaft is masonry-completed, the flatness and perpendicularity of the shaft wall directly affect the quality, progress, cost and other aspects of the later elevator installation. However, for the elevator shaft of the traditional frame structure, it usually adopts the brick masonry form. The single brick piece is small, and more bricks are needed for combination. Therefore, it is difficult to unify the masonry quality between the bricks. And the construction space of the elevator shaft is narrow, and there are certain safety risks during the processes of installing the scaffold, on-site formwork support, formwork removal and frame removal of the ring beam. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a prefabricated multi-tube elevator shaft with controllable quality, convenient construction, reduced cost and improved safety performance.

[0004] To solve the above technical problem, the technical solution proposed by the present invention is as follows:

[0005] A prefabricated multi-tube elevator shaft includes an elevator shaft installation unit. The elevator shaft installation unit includes at least one first prefabricated member and two second prefabricated members. Both sides of the first prefabricated member are provided with a first clearance area, and one side of the second prefabricated member is provided with a second clearance area. The side part of the first prefabricated member can be docked with the first prefabricated member or the second prefabricated member, so that the first clearance area and the first clearance area or the first clearance area and the second clearance area are docked to form an elevator installation area. The elevator shaft installation unit is formed by sequentially docking one second prefabricated member, each first prefabricated member and the other second prefabricated member along the horizontal direction.

[0006] As a further improvement of the above technical solution:

[0007] The first prefabricated member includes a first fixed wall and two first docking walls. The two first docking walls are prefabricated and fixed on the two vertical end faces of the first fixed wall. The two ends of the first docking wall extend beyond both sides of the first fixed wall. The two first docking walls and the first fixed wall enclose a first clearance area located on both sides of the first fixed wall.

[0008] The second prefabricated member includes a second fixed wall and two second docking walls. The two second docking walls are prefabricated and fixed on the two vertical end faces of the second fixed wall. Both second docking walls extend towards one side of the second fixed wall and enclose a second clearance area located on this side of the second fixed wall with the second fixed wall.

[0009] The first fixed wall and the second fixed wall have the same structure, and the length of the first docking wall extending beyond the side of the first fixed wall is consistent with the length of the second docking wall extending from the side of the second fixed wall.

[0010] The first prefabricated part is butt-jointed with the first butt-jointed wall of the first prefabricated part adjacent thereto or the second butt-jointed wall of the second prefabricated part through a first butt-jointed wall; a recessed structure is provided on the butt-jointed walls, and a butt-jointed groove is formed after the butt-jointed walls are butt-jointed and fixed by a first steel plate embedded in the butt-jointed groove and fastened by a fastener.

[0011] A door opening is provided on at least one wall surface formed by butting walls and enclosing the elevator installation area, and supporting ribs are provided between the side surfaces and the top surface of the door opening.

[0012] There are multiple elevator shaft installation units that make up the prefabricated multi-drum elevator shaft. The multiple elevator shaft installation units are arranged in a vertical direction, and beams are spaced between adjacent elevator shaft installation units.

[0013] The prefabricated multi-tube elevator shaft also includes a T-shaped steel connector, in which the top connection between the horizontal steel plate and the vertical steel plate is pre-buried in the bottom of the elevator shaft installation unit, and the top of the beam is provided with an installation groove corresponding to the position of the T-shaped steel connector; the upper elevator shaft installation unit is spliced ​​and connected by filling the installation groove of the lower beam with concrete and burying the protruding part of the T-shaped steel connector pre-buried in the upper elevator shaft installation unit into the installation groove.

[0014] The bottom of the elevator shaft installation unit and the top of the beam are both provided with corresponding recessed structures. In the upper and lower adjacent elevator shaft installation units and beams, the upper elevator shaft installation unit and the lower beam are butt-jointed to form a splicing groove, and are butt-jointed by a second steel plate arranged in the splicing groove and fastened by fasteners.

[0015] The top of the elevator shaft installation unit and the bottom of the beam are pre-buried with corrugated pipes of corresponding positions. In the upper and lower adjacent elevator shaft installation units and beams, the lower elevator shaft installation unit and the upper beam are butt-jointed to butt-join the corrugated pipes, and are butt-jointed by steel bars embedded in the two sections of the corrugated pipes.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] The prefabricated multi-drum elevator shaft of the present invention, wherein the elevator shaft installation unit includes at least one first prefabricated part and two second prefabricated parts, the first prefabricated part is an I-shaped cross section, and first air avoidance areas are provided on both sides thereof, and the second prefabricated part is a C-shaped cross section, and second air avoidance areas are provided on only one side thereof. When docking, two adjacent first prefabricated parts can be docked, so that the two first air avoidance areas are docked to form an elevator installation area, and the first prefabricated part at the edge is docked with the second prefabricated part, so that the first air avoidance area and the second air avoidance area are docked to form an elevator installation area. During the installation and construction process, the elevator shaft installation unit is formed by docking a second prefabricated part, each first prefabricated part and another second prefabricated part in the horizontal direction in sequence according to the above-mentioned docking method.

[0018] The prefabricated multi-drum elevator shaft of the present invention divides the elevator shaft structure into multiple parts, and each part is prefabricated. The construction site only needs to be hoisted and fixed according to the position. Therefore, compared with the masonry structure, its construction steps are simple, the process is simple and easy, and the template consumables of traditional construction are eliminated. It is more suitable for construction in small spaces, and compared with the masonry structure construction, there is no need to build and dismantle too many construction auxiliary facilities, so the safety performance is higher. In addition, the quality of the overall prefabricated component structure is easier to control, the finished product quality is higher, and the prefabrication cost is lower, and the installation efficiency is higher.

[0019] The present invention prefabricates the overall elevator shaft structure into components, and the prefabricated components are smaller in size, which reduces the requirements for lifting tools. This split structure can also appropriately increase or decrease the number of first prefabricated components according to the number of elevator shafts to be constructed, thereby achieving the construction of double-tube, triple-tube or even more-tube elevator shafts. The prefabricated component structure required for the construction of elevator shafts with different numbers of shafts is consistent, so the number of molds for prefabricated components is greatly reduced, further reducing the production and manufacturing costs, and the scope of application is wider; in addition, the error between prefabricated components manufactured by the same mold is low, making installation more convenient and reliable, and further improving the quality of the finished product. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic cross-sectional view of an elevator shaft installation unit in a prefabricated multi-drum elevator shaft of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the first prefabricated component in the prefabricated multi-drum elevator shaft of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the second prefabricated member in the prefabricated multi-drum elevator shaft of the present invention;

[0023] Figure 4 It is a schematic diagram of the installation of the prefabricated multi-drum elevator shaft of the present invention;

[0024] Figure 5 yes Figure 4 A magnified view of the structure at center A;

[0025] Figures 6 to 8 It is a schematic diagram of the installation of the elevator shaft installation unit and the beam in the prefabricated multi-drum elevator shaft of the present invention.

[0026] Legend: 1. Elevator shaft installation unit; 11. First prefabricated component; 111. First air refuge area; 112. First fixed wall; 113. First docking wall; 12. Second prefabricated component; 121. Second air refuge area; 122. Second fixed wall; 123. Second docking wall; 13. Elevator installation area; 14. Docking groove; 15. Fastener; 16. First steel plate; 17. Door opening; 2. Beam; 21. Installation groove; 3. T-shaped steel connector; 4. Second steel plate; 5. Corrugated pipe; 6. Rebar. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention will be described in more comprehensive and detailed manner below in conjunction with the accompanying drawings and preferred embodiments of the specification, but the protection scope of the present invention is not limited to the following specific embodiments.

[0028] Example:

[0029] like Figures 1 - 7 As shown, the prefabricated multi-drum elevator shaft of this embodiment includes an elevator shaft installation unit 1, and the elevator shaft installation unit 1 includes at least one first prefabricated part 11 and two second prefabricated parts 12. The first prefabricated part 11 is an I-shaped cross section, and both sides thereof are provided with a first air avoidance area 111, and the second prefabricated part 12 is a C-shaped cross section, and only one side thereof is provided with a second air avoidance area 121. When docking, two adjacent first prefabricated parts 11 can be docked, so that the two first air avoidance areas 111 are docked to form an elevator installation area 13, and the first prefabricated part 11 at the edge is docked with the second prefabricated part 12, so that the first air avoidance area 111 and the second air avoidance area 121 are docked to form an elevator installation area 13. During the installation and construction process, the elevator shaft installation unit 1 is formed by docking a second prefabricated part 12, each first prefabricated part 11 and another second prefabricated part 12 in the horizontal direction in sequence according to the above docking method.

[0030] The prefabricated multi-drum elevator shaft of this embodiment divides the elevator shaft structure into multiple parts, and each part is prefabricated. The construction site only needs to be hoisted and fixed according to the position. Therefore, compared with the masonry structure, its construction steps are simple, the process is simple and easy, and the template consumables of traditional construction are eliminated. It is more suitable for construction in small spaces, and compared with the masonry structure construction, there is no need to build and dismantle too many construction auxiliary facilities, so the safety performance is higher. In addition, the quality of the overall prefabricated component structure is easier to control, the finished product quality is higher, and the prefabrication cost is lower, and the installation efficiency is higher.

[0031] In this embodiment, the overall elevator shaft structure is prefabricated in components. The prefabricated components are smaller in size, reducing the requirements for hoisting tools. This split structure can also appropriately increase or decrease the number of the first prefabricated members 11 according to the different numbers of elevator shafts under construction, so as to achieve the construction of double-barrel, triple-barrel and even more barrel elevator shafts. The prefabricated component structures required for the construction of elevator shafts with different numbers of barrels are the same. Therefore, the number of molds for the prefabricated components is greatly reduced, further reducing the production and manufacturing costs, and having a wider range of applications. In addition, the error between the prefabricated components manufactured by the same mold is low, making the installation more convenient and reliable, and further improving the finished product quality. Figure 1 As shown in Figure 1 , the structure of the triple-barrel elevator shaft is made by splicing and connecting the second prefabricated member 12, the first prefabricated member 11, the first prefabricated member 11, and the second prefabricated member 12 in sequence from left to right. In other embodiments, the number of the first prefabricated members 11 can be increased or decreased according to needs.

[0032] In this embodiment, each prefabricated component is made of reinforced concrete. To further reduce the self-weight of each prefabricated component, extruded polystyrene boards can also be embedded in each prefabricated component according to actual requirements to reduce the weight brought by the amount of reinforced concrete used.

[0033] In this embodiment, the first prefabricated member 11 includes a first fixed wall 112 and two first docking walls 113. The two first docking walls 113 are prefabricated and fixed on two opposite vertical end faces of the first fixed wall 112, so that the two first docking walls 113 are parallel to each other and perpendicular to the first fixed wall 112. Both ends of the first docking wall 113 extend beyond both sides of the first fixed wall 112, so that the two first docking walls 113 and the first fixed wall 112 form an I-shaped structure. The semi-surrounding structures on both sides of the I-shaped structure enclose a first clearance area 111 located on both sides of the first fixed wall 112.

[0034] In this embodiment, the second prefabricated member 12 includes a second fixed wall 122 and two second docking walls 123. The two second docking walls 123 are prefabricated and fixed on two opposite vertical end faces of the second fixed wall 122, so that the two second docking walls 123 are parallel to each other and perpendicular to the second fixed wall 122. Both of the two second docking walls 123 extend towards one side of the second fixed wall 122 and together with the second fixed wall 122 form a C-shaped structure. The C-shaped structure encloses a second clearance area 121 located on one side of the second fixed wall 122. The other side of the second fixed wall 122 is connected to the installation wall surface of the elevator shaft.

[0035] In this embodiment, to ensure the stiffness of the prefabricated component, reinforcing rib columns of appropriate sizes can also be added to each wall surface of the prefabricated component, that is Figure 2 and Figure 3 the raised strips on the wall surface of the prefabricated component shown in Figure 3 .

[0036] In this embodiment, the structures of the first fixing wall 112 and the second fixing wall 122 are the same, ensuring that the lengths and heights of the elevator installation areas 13 are the same. The length by which the first docking wall 113 protrudes beyond the side surface of the first fixing wall 112 is the same as the length by which the second docking wall 123 extends from the side surface of the second fixing wall 122, making the widths of the elevator installation areas 13 in the elevator shaft installation unit 1 the same, which is convenient for the subsequent installation of the elevator. In addition, each of the two docking walls forming the wall surface in the width direction of the elevator installation area 13 occupies half of the width of the elevator installation area 13. Each elevator tube is reasonably split, which not only ensures that the number of components is as small as possible, facilitating hoisting and installation construction, but also makes the distance between the suspended end and the fixed end of each docking wall as short as possible, improving the structural strength, meeting the building requirements, and effectively preventing component damage caused by self-weight during the hoisting process.

[0037] In this embodiment, the first prefabricated member 11 is butt-jointed and connected through the first docking wall 113 and the first docking wall 113 of the adjacent first prefabricated member 11. The first prefabricated member 11 at the edge is butt-jointed and connected through the first docking wall 113 and the second docking wall 123 of the adjacent second prefabricated member 12. The butt-jointed docking walls are provided with recessed structures, and a docking groove 14 is formed after the docking walls are butted. The butt-jointed docking walls are butt-fixed through the first steel plate 16 that is embedded in the docking groove 14 and fastened by fasteners 15, and the connection of adjacent prefabricated members is ensured through the first steel plate 16. In this embodiment, the docking groove 14 has a trapezoidal cross-section structure with a small bottom area and a large opening area, which is convenient for the demolding of the forming die during the production process. In this embodiment, a 20-mm splicing joint is reserved between adjacent prefabricated members, and waterproof glue and foam strips are filled into the joint after the installation is completed. The splicing joint can be used to adjust slight dimensional errors during installation to ensure the installation quality.

[0038] In this embodiment, a door opening 17 is provided on at least one wall surface formed by the docking of docking walls that encloses the elevator installation area 13. The door opening 17 corresponds to the position of the elevator door. A top support rib is provided between the side surface and the top surface of the door opening 17 to enhance the structural strength and ensure that the door opening 17 will not be broken during the installation and hoisting processes.

[0039] In this embodiment, there are multiple elevator shaft installation units 1 that make up the prefabricated multi-tube elevator shaft. The multiple elevator shaft installation units 1 are arranged vertically to ensure that the height requirements of the elevator shaft are met. A beam 2 for bearing is provided between adjacent elevator shaft installation units 1, and the structure of the beam 2 can be a composite beam or a cast-in-place beam.

[0040] In this embodiment, the prefabricated multi-tube elevator shaft further includes a T-shaped steel connector 3. The top connection of the horizontal steel plate and the vertical steel plate in the T-shaped steel connector 3 is embedded in the bottom of the elevator shaft installation unit 1, and an installation groove 21 corresponding to the position of the T-shaped steel connector 3 is provided at the top of the beam 2. The upper elevator shaft installation unit 1 is spliced and connected by filling concrete into the installation groove 21 of the lower beam 2 and burying the protruding part of the T-shaped steel connector 3 embedded in the upper elevator shaft installation unit 1 into the installation groove 21.

[0041] In this embodiment, concave structures corresponding in position are provided at the bottom of the elevator shaft installation unit 1 and the top of the beam 2. Among the upper and lower adjacent elevator shaft installation units 1 and beams 2, the upper elevator shaft installation unit 1 and the lower beam 2 are butted so that the concave structures are butted into a splicing groove, and are butted and connected by a second steel plate 4 disposed in the splicing groove and fastened by a fastener 15. The second steel plate 4 is an L-shaped steel.

[0042] In this embodiment, as Figure 8 shown, bellows 5 corresponding in position are embedded at the top of the elevator shaft installation unit 1 and the bottom of the beam 2. Among the upper and lower adjacent elevator shaft installation units 1 and beams 2, the lower elevator shaft installation unit 1 and the upper beam 2 are butted so that the bellows 5 are butted, and are butted and connected by a steel bar 6 buried in the two sections of bellows 5.

[0043] The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the improvements and transformations obtained without departing from the technical concept of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A prefabricated multi-tube elevator shaft, comprising an elevator shaft installation unit (1), characterized in that: The elevator shaft installation unit (1) includes at least one first precast member (11) and two second precast members (12). First clearance areas (111) are provided on both sides of the first precast member (11), and a second clearance area (121) is provided on one side of the second precast member (12). The side part of the first precast member (11) can be butted against an adjacent first precast member (11) or second precast member (12), so that the first clearance areas (111) are butted against adjacent first clearance areas (111) or the first clearance areas (111) are butted against the second clearance areas (121) to form an elevator installation area (13). The elevator shaft installation unit (1) is formed by butting one second precast member (12), at least one first precast member (11), and another second precast member (12) in sequence along the horizontal direction; The first precast member (11) includes a first fixed wall (112) and two first butting walls (113). The two first butting walls (113) are precast and fixed on two vertical end faces of the first fixed wall (112). The two ends of the first butting wall (113) extend beyond both sides of the first fixed wall (112). The two first butting walls (113) and the first fixed wall (112) enclose first clearance areas (111) located on both sides of the first fixed wall (112); The second precast member (12) includes a second fixed wall (122) and two second butting walls (123). The two second butting walls (123) are precast and fixed on two vertical end faces of the second fixed wall (122). The two second butting walls (123) both extend towards one side of the second fixed wall (122), and enclose a second clearance area (121) located on this side of the second fixed wall (122) with the second fixed wall (122); Each precast member is made of reinforced concrete.

2. The prefabricated multi-tube elevator shaft according to claim 1, wherein: The structures of the first fixed wall (112) and the second fixed wall (122) are the same. The length that the first butting wall (113) extends beyond the side face of the first fixed wall (112) is the same as the length that the second butting wall (123) extends from the side face of the second fixed wall (122).

3. The prefabricated multi-tube elevator shaft according to claim 1, wherein: The first precast member (11) is butted and connected through the first butting wall (113) and the first butting wall (113) of an adjacent first precast member (11) or the second butting wall (123) of a second precast member (12); sunken structures are provided on the butting walls that are butted against each other, and a butting groove (14) is formed after the butting walls are butted against each other. The butting walls that are butted against each other are butted and fixed through a first steel plate (16) that is embedded in the butting groove (14) and fastened by a fastener (15).

4. The prefabricated multi-tube elevator shaft according to claim 1, characterized in that: A door opening (17) is provided on at least one wall surface formed by butting butting walls that encloses the elevator installation area (13). A top support rib is braced between the side face and the top face of the door opening (17).

5. The prefabricated multi-tube elevator shaft according to any one of claims 1 to 4, characterized in that: There are multiple elevator shaft installation units (1) that make up the precast multi-tube elevator shaft. The multiple elevator shaft installation units (1) are arranged vertically, and a beam (2) is provided at intervals between adjacent elevator shaft installation units (1).

6. The prefabricated multi-tube elevator shaft according to claim 5, characterized in that: It further includes a T-shaped steel connector (3), the top connection of the horizontal steel plate and the vertical steel plate in the T-shaped steel connector (3) is embedded in the bottom of the elevator shaft installation unit (1), and an installation groove (21) corresponding to the position of the T-shaped steel connector (3) is provided at the top of the beam (2); the upper elevator shaft installation unit (1) is spliced and connected by filling concrete into the installation groove (21) of the lower beam (2) and burying the protruding part of the T-shaped steel connector (3) embedded in the upper elevator shaft installation unit (1) into the installation groove (21).

7. The prefabricated multi-tube elevator shaft according to claim 5, characterized in that: Sunken structures corresponding in position are provided at the bottom of the elevator shaft installation unit (1) and the top of the beam (2). Among the upper and lower adjacent elevator shaft installation units (1) and beams (2), the upper elevator shaft installation unit (1) and the lower beam (2) are butted so that the sunken structures are butted into splicing grooves, and are butted and connected by a second steel plate (4) arranged in the splicing groove and fastened by a fastener (15).

8. The prefabricated multi-tube elevator shaft according to claim 5, wherein: Bellows (5) corresponding in position are embedded at the top of the elevator shaft installation unit (1) and the bottom of the beam (2). Among the upper and lower adjacent elevator shaft installation units (1) and beams (2), the lower elevator shaft installation unit (1) and the upper beam (2) are butted so that the bellows (5) are butted, and are butted and connected by steel bars (6) buried in the two sections of bellows (5).

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