CN113958088A

CN113958088A - Assembled elevator shaft

Info

Publication number: CN113958088A
Application number: CN202111226405.3A
Authority: CN
Inventors: 赵丹
Original assignee: Sanneng Integrated Housing Co Ltd
Current assignee: Sanneng Integrated Housing Co Ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-01-21

Abstract

The invention discloses an assembled elevator shaft, which comprises a bottom cylinder structure, a shaft structure and a top cover structure, wherein the shaft structure comprises a shaft frame and a shaft frame; the bottom barrel structure, the well structure and the top cover structure are prefabricated parts or are formed by assembling and connecting the prefabricated parts; a connecting steel plate is arranged at the position, corresponding to the bottom end face of the shaft structure, of the top end face of the bottom barrel structure; a connecting steel plate is arranged at the position, corresponding to the bottom end face of the top cover structure, of the top end face of the hoistway structure; the bottom end of the bottom cylinder structure is fixedly connected with the top end of the foundation pit; the bottom end and the top end of the well structure are fixedly connected with the top end of the bottom barrel structure and the bottom end of the top cover structure respectively. The elevator shaft is formed by assembling prefabricated components, and cast-in-place operation is avoided; the template of the prefabricated part is simple to manufacture and quick to assemble, and the construction cost can be saved; fixing through the connecting steel plate earlier between the structure about the elevartor shaft, treating that the whole back that finishes of installation of elevartor shaft packs gap department closely knit again, shortened construction cycle greatly.

Description

Assembled elevator shaft

Technical Field

The invention relates to the technical field of fabricated buildings, in particular to a fabricated elevator shaft.

Background

With the upgrading and reconstruction of more and more old city projects, the demand for newly adding elevators to the existing buildings is increasing. Because no special elevator shaft is designed, an outdoor elevator shaft is required to be added for the installation and operation of the elevator when the elevator is newly installed in the existing building.

The existing elevator shaft comprises a bricklaying shaft, a steel structure elevator shaft and a concrete elevator shaft. The on-site wet operation of the brick well is more, the working procedures are multiple, and the labor and the time are wasted; and the space in the elevator shaft is narrow and small, the template support and disassembly of the cast-in-place member are not easy to operate, and the energy conservation and environmental protection are not facilitated. The cost of raw materials of the steel-structure elevator shaft is high, and the economical efficiency is poor; the concrete elevator shaft needs to be provided with the steel bars on site and then poured with concrete for forming, so that the construction period is long.

The Chinese patent publication No. CN112663900A discloses an integral precast concrete elevator shaft, which comprises a plurality of cylinders which are overlapped and spliced up and down, wherein bolt connecting reinforcing steel bars with the upper ends extending outwards are pre-embedded in the cylinders, bolt connecting grooves are formed in the lower ends of the cylinders, the bolt connecting reinforcing steel bars of the cylinders on the lower layer are inserted into the bolt connecting grooves of the cylinders on the upper layer, and the bolt connecting reinforcing steel bars are fixedly connected in the bolt connecting grooves. Compared with a prefabricated laminated elevator shaft, the integral prefabricated concrete elevator shaft has the advantages that the field installation steps are reduced, and the installation precision is higher; the barrel body is connected by adopting a bolt connection method, so that the use of a sleeve is avoided, and the overall performance is improved. However, the integral precast concrete of the invention adopts a bolt connection mode, when the barrel is installed, the previous barrel needs to be completely fixed through the bolt connection mode before the next construction can be carried out, and the overall assembly efficiency of the assembly type elevator shaft is low.

Disclosure of Invention

The invention aims to solve the technical problems that the existing additional elevator shaft has long construction period and large influence on site construction, and provides the assembled elevator shaft which is simple to produce and manufacture, quick to assemble and small in influence on site construction.

In order to achieve the purpose, the invention adopts the technical scheme that: a fabricated elevator shaft comprising a bottom tube structure, a hoistway structure, and a roof structure; the bottom barrel structure, the well structure and the top cover structure are prefabricated parts or are formed by assembling and connecting the prefabricated parts;

a connecting steel plate is arranged at the position, corresponding to the bottom end face of the well structure, of the top end face of the bottom barrel structure; a connecting steel plate is arranged at the position, corresponding to the bottom end face of the top cover structure, of the top end face of the hoistway structure;

the bottom end of the bottom cylinder structure is fixedly connected with the top end of the foundation pit; the bottom end and the top end of the well structure are fixedly connected with the top end of the bottom barrel structure and the bottom end of the top cover structure respectively.

The bottom tube structure, the hoistway structure and the top cover structure of the fabricated elevator shaft are all prefabricated components or are formed by assembling and connecting the prefabricated components, no cast-in-place operation is performed, and the influence on a construction site is small; the prefabricated member template is simple to manufacture, and the construction cost can be saved; fix through the connecting steel plate earlier between the upper and lower structure of assembled elevartor shaft, treat whole elevartor shaft structure and all install the back and fill the mortar or carry out the grout closely knit to space department again, shortened construction cycle greatly.

Furthermore, the connecting surface of each connecting steel plate protrudes relative to the structural end surface where each connecting steel plate is located; the side edges of the connecting steel plates are retracted inwards relative to the two side edges of the structure where the connecting steel plates are located; the connecting steel plate is connected with the structural steel bars in the structure; the bottom end of the bottom cylinder structure is connected with the top end of the foundation pit through a plurality of connecting structures; the bottom barrel structure and the gap between the well structures, between the well structures and the top cover structure and between two adjacent well units of the well structures are compacted through filling mortar.

Furthermore, the bottom end of the bottom cylinder structure and the top end of a foundation pit, the bottom cylinder structure and the hoistway structure, the hoistway structure and the top cover structure and two adjacent hoistway units of the hoistway structure are connected through a plurality of connecting structures; the bottom barrel structure and the top end of the well structure are provided with a plurality of ribs fixed with the upper structure.

Furthermore, the plurality of connecting structures are arranged at the peripheral corners of the bottom barrel structure, the shaft structure and the top cover structure and at the bottom ends of the middle parts of the side walls; the multiple ribs are arranged on the bottom barrel structure, the peripheral corners of the shaft structure and the top ends of the middle positions of the side walls. Therefore, the reliability of the connection of the upper structure and the lower structure can be ensured. Furthermore, the interference part of the connecting steel plate, the steel bar outlet and the connecting structure is provided with a hole, so that the steel bar can be conveniently extended out.

Furthermore, the connection structure is a blind hole or a steel bar sleeve grouting structure, and a grouting hole or a grout outlet of the blind hole or the steel bar sleeve grouting structure is formed in the outer side of the wall body, so that construction operation is facilitated.

Further, the bottom cylinder structure comprises a prefabricated bottom plate and prefabricated side walls, and the prefabricated bottom plate and the prefabricated side walls are prefabricated and molded together; the bottom end of the prefabricated bottom cylinder structure is provided with a lower connecting interface which is used for being fixedly connected with a bottom plate in a foundation pit; the top end of the prefabricated bottom cylinder structure is provided with an upper connecting interface fixedly connected with the bottom end of the well.

Further, the bottom plate is a cast-in-place bottom plate.

Furthermore, the top surface of the bottom plate is provided with a plurality of ribs fixedly connected with the bottom end of the bottom cylinder structure.

Furthermore, the periphery of the lower end face of the prefabricated bottom plate is provided with a pressing groove, so that the bottom face of the prefabricated bottom plate and the bottom face of the prefabricated side wall are not on the same plane.

Further, the prefabricated bottom plate is provided with a plurality of first through holes. Furthermore, a plurality of first through holes are formed in the periphery and the center of the prefabricated bottom plate.

Furthermore, the gap between the bottom surface of the prefabricated bottom plate and the top surface of the bottom plate is connected through a plurality of first through holes in a grouting mode. Therefore, the prefabricated bottom plate bottom surface and the gap between the bottom plate top surfaces can be guaranteed to be completely grouting tightly, so that the prefabricated bottom tube structure is combined with the bottom plate more tightly, the vertical stability of the assembled elevator shaft is guaranteed, and the structural performance of the prefabricated bottom plate can be improved.

Furthermore, the hoistway structure comprises a plurality of hoistway units, connecting steel plates are arranged on the upper end surface and the lower end surface of each hoistway unit, and the hoistway units are assembled and connected in a stacking manner to form the hoistway structure; the well unit comprises a prefabricated well barrel and a prefabricated floor slab; the prefabricated well barrel is provided with an elevator door opening, cantilever beams are arranged at the top of side walls of the left end and the right end of the elevator door opening, and the prefabricated floor slab is installed and connected between the two cantilever beams.

Furthermore, the height of the top surface of the cantilever beam is consistent with that of the top surface of the prefabricated well barrel.

Furthermore, a plurality of steel connection plates are arranged at the upper and lower corners of the periphery of the prefabricated well barrel.

Furthermore, the tops of the opposite surfaces of the two cantilever beams are respectively provided with a tongue-and-groove, and the prefabricated floor slab is installed and connected between the two tongue-and-grooves. Therefore, the prefabricated floor slab can be installed more conveniently.

Further, the thickness of the prefabricated floor slab is equal to the height of the rabbet.

Furthermore, the cantilever beam is fixed with the precast floor slab through a sleeve grouting structure.

Furthermore, the sleeve grouting structure comprises a plurality of first internal thread sleeves arranged below the two rabbet; a plurality of second through holes communicated with the first internal thread sleeves are formed in two sides of the prefabricated floor slab; the first internal thread sleeve is connected with a threaded steel bar, the top end of the threaded steel bar is arranged in the second through hole, and the inner part of each second through hole is compacted through filling mortar. Therefore, the prefabricated well barrel and the prefabricated floor slab form a whole to form a standard well unit.

Furthermore, the bottom of the side wall of the prefabricated well barrel except the plane where the elevator door opening is located is provided with an outward convex line, so that rainwater can be prevented from permeating into a connecting joint of the well structure.

Further, the top cover structure comprises a prefabricated top cover cylinder and a prefabricated cover plate; the bottom end of the prefabricated top cover cylinder body is provided with a connecting interface which is used for being fixedly connected with the top end of the shaft structure; the top end of the prefabricated top cover cylinder is connected with the prefabricated cover plate; the end face of the prefabricated cover plate extends outwards relative to the side face of the prefabricated top cover cylinder.

Furthermore, the prefabricated top cover cylinder and the prefabricated cover plate are fixed in a welding or steel sleeve grouting connection mode.

Furthermore, the bottom of each side wall of the prefabricated top cover cylinder body is provided with an outwardly extending convex line for preventing rainwater from permeating into a connecting seam of the shaft structure and the top cover structure.

Furthermore, the bottom surface central point of prefabricated top cap puts and is equipped with rings for lifting device uses.

Further, the prefabricated top cover cylinder is a square cylinder.

Furthermore, connecting steel plates are arranged on the periphery of the top end of the prefabricated top cover cylinder body; and the bottom surface of the prefabricated cover plate is provided with connecting steel plates at positions corresponding to the periphery of the top end of the prefabricated top cover cylinder. Therefore, the prefabricated top cover can be fixed on the prefabricated top cover cylinder body by welding the top end of the prefabricated top cover cylinder body and the connecting steel plate at the bottom end of the prefabricated top cover.

Furthermore, a plurality of second internal thread sleeves are arranged on the outer side of the top of each wall body of the prefabricated top cover barrel, bulges are reserved on the periphery of the bottom surface of the prefabricated cover plate, and a plurality of third through holes communicated with the second internal thread sleeves are formed in the side faces of the bulges.

Compared with the prior art, the invention has the beneficial effects that:

the bottom tube structure, the shaft structure and the top cover structure of the assembled elevator shaft are all prefabricated parts or are formed by assembling and connecting the prefabricated parts, the whole elevator shaft construction is free of cast-in-place operation, the influence on a construction site is small, and a large amount of time is saved;

secondly, the template of the prefabricated part is simple to manufacture and quick to assemble, and the construction cost can be saved;

fixing the upper structure and the lower structure of the assembled elevator shaft through the connecting steel plate, filling mortar or grouting in gaps after the whole elevator shaft is completely installed, and greatly shortening the construction period.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram according to a second embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a third embodiment of the present invention;

fig. 4 is a schematic structural diagram of a bottom plate according to the first, second and third embodiments of the present invention;

FIG. 5 is a longitudinal cross-sectional view of FIG. 4;

FIG. 6 is a schematic structural diagram of a bottom cylinder according to the first and second embodiments of the present invention;

FIG. 7 is a longitudinal cross-sectional view of FIG. 6;

FIG. 8 is a schematic view of the combination of the bottom cylinder structure and the bottom plate according to the first and second embodiments of the present invention;

FIG. 9 is a longitudinal cross-sectional view of FIG. 8;

FIG. 10 is a schematic view of the lower part of the bottom cylinder according to the third embodiment of the present invention;

FIG. 11 is a schematic structural view of the upper part of the bottom cylinder in the third embodiment of the present invention;

FIG. 12 is a longitudinal cross-sectional view of FIGS. 10 and 11;

FIG. 13 is a top view of the bottom cylinder structure according to the third embodiment of the present invention;

FIG. 14 is a schematic view of the bottom cylinder structure and the bottom plate according to the third embodiment of the present invention;

FIG. 15 is a longitudinal cross-sectional view of FIG. 14;

fig. 16 is a schematic structural view of a lower portion of a prefabricated hoistway barrel according to the first embodiment and the second embodiment of the present invention;

fig. 17 is a schematic upper structure view of a prefabricated hoistway barrel according to the first and second embodiments of the present invention;

fig. 18 is a schematic structural view of a lower portion of a prefabricated hoistway barrel according to a third embodiment of the present invention;

fig. 19 is a schematic upper structure view of a prefabricated hoistway barrel according to a third embodiment of the present invention;

fig. 20 is a top view of a prefabricated hoistway barrel of a third embodiment of the present invention;

fig. 21 is a schematic view illustrating connection between connection steel plates and internal structural steel bars at upper and lower end surfaces of a prefabricated hoistway barrel in a third embodiment of the present invention;

fig. 22 is a schematic structural view of a prefabricated floor slab according to the first, second and third embodiments of the present invention;

fig. 23 is a longitudinal sectional view of a connection portion of a precast floor slab and a cantilever beam according to the first, second, and third embodiments of the present invention;

fig. 24 is a schematic structural view of a hoistway unit according to the first and second embodiments of the present invention;

fig. 25 is a schematic view of a combination structure of two hoistway units according to the first and second embodiments of the present invention;

fig. 26 is a schematic structural diagram of a hoistway unit according to a third embodiment of the present invention;

fig. 27 is a schematic view of a combined structure of two hoistway units according to a third embodiment of the present invention;

fig. 28 is a schematic view of a joint of two prefabricated shaft cylinders according to a third embodiment of the present invention;

FIG. 29 is a schematic view of the lower part of the prefabricated top cover cylinder according to the first embodiment of the invention;

FIG. 30 is a schematic view of the upper structure of a prefabricated roof can according to a first embodiment of the present invention;

FIG. 31 is a schematic view of a prefabricated roof construction according to a first embodiment of the present invention;

FIG. 32 is a schematic structural diagram of a top cylinder according to a first embodiment of the present invention;

FIG. 33 is a schematic view showing the structure of the lower part of the cylinder with a prefabricated top cover according to the second embodiment of the present invention;

FIG. 34 is a schematic view of the upper structure of a prefabricated top cover cylinder according to the second embodiment of the invention;

FIG. 35 is a schematic view of a prefabricated roof construction according to embodiments two and three of the present invention;

FIG. 36 is a schematic structural view of a top cylinder according to a second embodiment of the present invention;

FIG. 37 is a schematic structural view of a prefabricated top cover cylinder according to a third embodiment of the present invention;

fig. 38 is a schematic structural view of a top cylinder in the third embodiment of the present invention.

In the figure:

1. a bottom cylinder structure; 2. a hoistway structure; 3. a roof structure; 4. a hoistway unit; 5. prefabricating a bottom plate; 6. pressing a groove; 7. a first through hole; 8. a connecting structure; 9. grouting holes; 10. a slurry outlet; 11. prefabricating a side wall; 12. connecting steel plates; 13. rib forming; 14. a base plate; 15. lines are raised; 16. prefabricating a well barrel; 17. an elevator door opening; 18. a cantilever beam; 19. a tongue-and-groove; 20. a first internally threaded sleeve; 21. prefabricating a floor slab; 22. a second through hole; 23. a threaded steel bar; 24. prefabricating a top cover cylinder; 25. prefabricating a cover plate; 26. a hoisting ring; 27. a protrusion; 28. a second internally threaded sleeve; 29. a third via.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

Example one

As shown in fig. 1, 4-9, 16-17, 22-25, and 29-32, in one embodiment, the fabricated elevator hoistway according to the present invention includes a bottom tube structure 1, a hoistway structure 2, a top cover structure 3, a hoistway unit 4, a prefabricated bottom plate 5, a press groove 6, a first through hole 7, a connection structure 8, a grouting hole 9, a grout outlet 10, a prefabricated side wall 11, a connection steel plate 12, a reinforcement 13, a bottom plate 14, a raised line 15, a prefabricated hoistway cylinder 16, an elevator door opening 17, a cantilever beam 18, a tongue-and-groove 19, a first internal threaded sleeve 20, a prefabricated floor slab 21, a second through hole 22, a threaded steel bar 23, a prefabricated top cover cylinder 24, a prefabricated cover plate 25, and a hanging ring 26.

As shown in fig. 1, the bottom end of the bottom cylinder structure 1 is fixedly connected with the top end of the foundation pit. The hoistway structure 2 is formed by assembling and connecting a plurality of hoistway units 4. The bottom end and the top end of the well structure 2 are respectively fixedly connected with the top end of the bottom barrel structure 1 and the bottom end of the top cover structure 3.

As shown in fig. 4-9, a plurality of connecting structures 8 are disposed at the bottom ends of the corners around the bottom tube structure 1 and the middle portions of the side walls. And a plurality of ribs 13 connected with the bottom end of the well structure 2 are arranged at the top ends of the wall corners and the middle parts of the side walls of the bottom barrel structure 1.

The upper corner part around the bottom tube structure 1 is provided with a connecting steel plate 12, and the connecting surface of the connecting steel plate 12 and the top end surface of the bottom tube structure 1 are in the same plane.

A bottom plate 14 is arranged between the bottom surface of the bottom cylinder structure 1 and the top surface of the foundation pit, and the bottom plate 14 is a cast-in-place bottom plate. And a plurality of ribs 13 connected with the bottom end of the bottom cylinder structure 1 are arranged around the top surface of the bottom plate 14.

The bottom barrel structure 1 comprises a prefabricated bottom plate 5 and prefabricated side walls 11, the whole self weight of the elevator is borne by the prefabricated side walls 11, the prefabricated bottom plate 5 and the prefabricated side walls 11 are prefabricated and molded together, and the overall performance is good. And a 30mm pressing groove 6 is arranged below the prefabricated bottom plate 5, so that the bottom surface of the prefabricated bottom plate 5 and the bottom surface of the prefabricated side wall 11 are not on the same plane. The periphery and the central position of the prefabricated bottom plate 5 are provided with first through holes 7, and the gap between the bottom surface of the prefabricated bottom plate 5 and the top surface of the bottom plate 14 is tightly grouted through the first through holes 7. From this, can guarantee that the space between 5 bottom surfaces of prefabricated bottom plate and the 14 top surfaces of bottom plate is closely knit by the complete slip casting for end section of thick bamboo structure 1 combines inseparabler with bottom plate 14, guarantees the vertical steady of assembled elevartor shaft, multiplicable prefabricated bottom plate 5's structural performance simultaneously.

The construction steps of the bottom cylinder structure 1 are as follows:

1. after the foundation pit is excavated to the designed elevation, in order to ensure that the elevator is vertical and stable, a layer of concrete bottom plate 14 is cast in situ at the bottom of the foundation pit, and a plurality of outlet ribs 13 connected with the bottom cylinder structure 1 are reserved on the bottom plate 14.

2. And hoisting the bottom cylinder structure 1, aligning the blind hole or the grouting sleeve at the bottom end of the bottom cylinder structure 1 with the rib 13 at the top end of the bottom plate 14, and leveling and centering.

3. Grouting the grouting hole 9 of each blind hole or grouting sleeve with grouting material, and plugging after the grouting material overflows from the grout outlet 10.

4. And grouting the gap between the prefabricated bottom plate 5 and the bottom plate 14 through the plurality of first through holes 7 on the prefabricated bottom plate 5, so that the bottom cylinder structure 1 and the bottom plate 14 are combined more tightly, and the structural performance of the prefabricated bottom plate 14 is improved.

As shown in fig. 16-17 and 22-25, the hoistway unit 4 includes a prefabricated hoistway barrel 16 and a prefabricated floor slab 21. And a plurality of connecting structures 8 are arranged at the bottom ends of the wall corners around the prefabricated well barrel 16 and the middle parts of the side walls. And a plurality of ribs 13 are arranged at the top ends of the wall corners around the prefabricated well barrel 16 and the middle parts of the side walls. The prefabricated well barrel 16 is provided with an elevator door opening 17, the top of the side wall of the left end and the right end of the elevator door opening 17 is provided with a cantilever beam 18, and the height of the top surface of the cantilever beam 18 is consistent with that of the prefabricated well barrel 16. The precast floor slab 21 is installed and connected between the two cantilever beams 18.

The tops of opposite surfaces of the two cantilever beams 18 are respectively provided with a tongue-and-groove 19, and the prefabricated floor slab 21 is installed and connected between the two tongue-and-groove 19. The thickness of the prefabricated floor slab 21 is equal to the height of the tongue and groove 19.

The cantilever beam 18 is fixed with the precast floor slab 21 through a sleeve structure. Further, the sleeve structure comprises 4 first internal thread sleeves 20 arranged below the two tongues 19. Two sides of the precast floor slab 21 are provided with 4 second through holes 22 communicated with the first internal thread sleeve 20. The first internal thread sleeve 20 is connected with a threaded steel bar 23, the top end of the threaded steel bar 23 is arranged in the second through hole 22, and mortar is filled in the second through hole 22 for compacting. Thereby, the prefabricated shaft cylinder 16 and the prefabricated floor slab 21 are formed into a whole to form a standard shaft unit 4.

The prefabricated well barrel 16 is provided with an outward convex line 15 at the bottom of the side wall of the plane of the elevator door opening 17. Thus, rainwater can be prevented from infiltrating into the connection seams of the hoistway structure.

The prefabricated well barrel 16 is provided with connecting steel plates 12 at the upper and lower corners around, and the connecting surface of the connecting steel plates 12 and the structural end surface where the connecting steel plates 12 are located are on the same plane. The interference part of the connecting steel plate 12, the steel bar outlet 13 and the connecting structure 8 is provided with a hole, so that the steel bar extends out. Well structure 2 is when going on the upper and lower floor installation, fixes through welding connecting steel plate 12 between two well units 4, treats that whole installation of whole well structure 2 is finished the back and carries out the slip casting closely knit again to make whole elevator well 2 can accomplish the installation in very short time.

The construction steps of the hoistway structure 2 are as follows:

1. and placing the precast floor slab 21 between the two grooves and tongues 19 of the two cantilever beams 18, and correspondingly aligning the second through hole 22 reserved on the precast floor slab 21 with the first internal thread sleeve reserved on the cantilever beam 18.

2. After the prefabricated floor slab 21 is placed, the prefabricated floor slab 21 is connected with the first internal thread sleeve 20 on the cantilever beam 18 through the prefabricated floor slab 21 by using the threaded steel bar 23, and then mortar is filled in the second through hole 22, so that the prefabricated floor slab 21 and the prefabricated well barrel 16 form a layer as a whole to form a standard well unit 4.

3. Each standard well unit 4 is connected with each other, the output rib 13 of each well unit 4 is connected with the blind hole or the grouting sleeve of the upper well unit 4 in alignment, and the well units 4 of the upper layer and the lower layer are attached.

4. The shaft units 4 of the upper layer and the lower layer are firstly welded with the connecting steel plates 12 between the two shaft units 4 during installation, so that the whole elevator shaft is fixed, and grouting is performed after the whole elevator project is completely installed, so that the whole elevator project is installed in a short time.

5. Grouting the grouting hole 9 of each blind hole or grouting sleeve with grouting material, and plugging after the grouting material overflows from the grout outlet 10.

As shown in fig. 29-32, the roof structure 3 includes a prefabricated roof cylinder 24 and a prefabricated cover plate 25. The bottom of wall corner and each side wall middle part position all is equipped with a plurality of connection structure 8 around prefabricated top cap barrel 24. The prefabricated top cover cylinder 24 is connected with the top end of the prefabricated elevator shaft 2 through a plurality of connecting structures 8. The prefabricated cover plate 24 is connected to the top end of the prefabricated top cover cylinder 24. The end face of the preformed cover plate 25 extends outwardly relative to the side of the preformed cap cylinder 24.

The periphery of the lower portion of the prefabricated top cover cylinder body 24 is provided with connecting steel plates 12, and the connecting surface of each connecting steel plate 12 and the bottom end face of the prefabricated top cover cylinder body 24 are on the same plane. The interference position of the connecting steel plate 12 and the connecting structure 8 is provided with a hole, so that the steel bar extends out. The prefabricated roof structure 3 can be fixed on the prefabricated well structure 2 by welding the bottom end of the prefabricated roof structure 3 and the connecting steel plate 12 at the top end of the prefabricated well structure 2.

The prefabricated top cover cylinder body 24 is provided with connecting steel plates 12 on the periphery, the prefabricated cover plate 25 is provided with connecting steel plates 12 on the periphery corresponding to the prefabricated top cover cylinder body 24, and the connecting surface of each connecting steel plate 12 and the structural end face where the connecting steel plate 12 is located are on the same plane. Therefore, the prefabricated top cover cylinder 24 and the prefabricated cover plate 25 can be fixed through welding of connecting steel plates.

The bottom of each side wall of prefabricated top cap barrel 24 outwards is equipped with protruding lines 15 for prevent that the rainwater from infiltrating into well structure 2 and top cap structure 3's joint.

And a hanging ring 26 is arranged at the center of the bottom surface of the prefabricated top cover 25 and is used for hoisting equipment.

As shown in fig. 6, 16 and 29, the connecting structure 8 is a blind hole or a steel sleeve grouting structure. And the grouting holes 9 and the grout outlet 10 of the blind hole or steel bar sleeve grouting structure are arranged on the outer side of the wall body, wherein the upper row is the grout outlet 10, and the lower row is the grouting hole 9.

The construction steps of the roof structure 3 are as follows:

1. the prefabricated cover plate 25 is placed on the prefabricated top cover cylinder 24, and the prefabricated cover plate 25 and the prefabricated top cover cylinder 24 are aligned with each other through the connecting steel plate 12.

2. The prefabricated cover plate 25 and the prefabricated top cover cylinder 24 are welded to form a complete top cover structure 3.

Example two

As shown in fig. 2, 4-9, 16-17, 22-25, and 33-36, the fabricated elevator hoistway according to the second embodiment includes a bottom tube structure 1, a hoistway structure 2, a top cover structure 3, a hoistway unit 4, a prefabricated bottom plate 5, a press groove 6, a first through hole 7, a connecting structure 8, a grouting hole 9, a grout outlet 10, a prefabricated side wall 11, a connecting steel plate 12, a rebar 13, a bottom plate 14, a raised line 15, a prefabricated hoistway cylinder 16, an elevator door opening 17, a cantilever beam 18, a tongue-and-groove 19, a first internal threaded sleeve 20, a prefabricated floor slab 21, a second through hole 22, a threaded rebar 23, a prefabricated top cover cylinder 24, a prefabricated cover plate 25, a hanging ring 26, a second internal threaded sleeve 27, a protrusion 28, and a third through hole 29.

As shown in fig. 2, the bottom end of the bottom cylinder structure 1 is fixedly connected with the top end of the foundation pit. The hoistway structure 2 is formed by assembling and connecting a plurality of hoistway units 4. The bottom end and the top end of the well structure 2 are respectively fixedly connected with the top end of the bottom barrel structure 1 and the bottom end of the top cover structure 3.

The upper corner part around the bottom tube structure 1 is provided with a connecting steel plate 12, and the connecting surface of the connecting steel plate 12 and the top end surface of the bottom tube structure are on the same plane.

The construction steps of the bottom cylinder structure 1 are as follows:

The prefabricated well barrel 16 is provided with connecting steel plates 12 at the upper and lower corners around the prefabricated well barrel, and the connecting surface of each connecting steel plate 12 and the structural end surface where each connecting steel plate 12 is located are on the same plane. The interference part of the connecting steel plate 12, the steel bar outlet 13 and the connecting structure 8 is provided with a hole, so that the steel bar extends out. Well structure 2 is when going on the upper and lower floor installation, fixes through welding connecting steel plate 12 between two well units 4, treats that whole installation of whole well structure 2 is finished the back and carries out the slip casting closely knit again to make whole elevator well 2 can accomplish the installation in very short time.

The construction steps of the hoistway structure 2 are as follows:

As shown in fig. 33-36, the cap structure 3 includes a preformed cap cylinder 24 and a preformed cap plate 25. The bottom of wall corner and each side wall middle part position all is equipped with a plurality of connection structure 8 around prefabricated top cap barrel 24. The prefabricated top cover cylinder 24 is connected with the top end of the prefabricated elevator shaft 2 through a plurality of connecting structures 8. The prefabricated cover plate 24 is connected to the top end of the prefabricated top cover cylinder 24. The end face of the preformed cover plate 25 extends outwardly relative to the side of the preformed cap cylinder 24.

The prefabricated top cover cylinder 24 and the prefabricated cover plate 25 are fixed in a steel bar sleeve connection mode. A plurality of second internal thread sleeves 27 are arranged on the outer side of the tops of the wall bodies of the prefabricated top cover cylinder 24, a protrusion 28 is reserved on the periphery of the bottom surface of the prefabricated cover plate 25, the inner size of the protrusion 28 is larger than the outer frame size of the prefabricated top cover cylinder 24, and a plurality of third through holes 29 communicated with the second internal thread sleeves 28 are formed in the side surface of the protrusion 28.

As shown in fig. 6, 16 and 33, the connecting structure 8 is a blind hole or a steel sleeve grouting structure. And the grouting holes 9 and the grout outlet 10 of the blind hole or steel bar sleeve grouting structure are arranged on the outer side of the wall body, wherein the upper row is the grout outlet 10, and the lower row is the grouting hole 9.

The construction steps of the roof structure 3 are as follows:

1. the prefabricated cover plate 25 is placed on the prefabricated top cover cylinder 24, the protrusion 28 of the prefabricated cover plate 25 is clamped on the upper part of the prefabricated top cover cylinder 24 to form a whole, and the third through hole 29 of the prefabricated cover plate 25 is aligned with the second inner screw sleeve 27 of the prefabricated top cover cylinder 24.

2. And then connected with a second internal thread sleeve 27 on the prefabricated top cover cylinder 24 through a third through hole 29 on the prefabricated cover plate 25 by using a thread steel bar.

3. Finally, mortar is filled in the third through hole 29, so that the prefabricated cover plate 25 and the prefabricated top cover cylinder body 24 form a whole.

EXAMPLE III

As shown in fig. 3-5, 10-15, 18-23, 26-28, 35, and 37-38, the fabricated elevator hoistway according to the third embodiment includes a bottom tube structure 1, a hoistway structure 2, a roof structure 3, a hoistway unit 4, a prefabricated bottom plate 5, a press groove 6, a first through hole 7, a connecting structure 8, a grouting hole 9, a grout outlet 10, a prefabricated sidewall 11, a connecting steel plate 12, a rib 13, a bottom plate 14, a raised line 15, a prefabricated hoistway cylinder 16, an elevator door opening 17, a cantilever beam 18, a tongue-and-groove 19, a first internal threaded sleeve 20, a prefabricated floor slab 21, a second through hole 22, a threaded steel bar 23, a prefabricated roof cylinder 24, a prefabricated cover plate 25, a hanging ring 26, a second internal threaded sleeve 27, a protrusion 28, and a third through hole 29.

As shown in fig. 3, the bottom end of the bottom cylinder structure 1 is fixedly connected with the top end of the foundation pit. The hoistway structure 2 is formed by assembling and connecting a plurality of hoistway units 4. The bottom end and the top end of the well structure 2 are respectively fixedly connected with the top end of the bottom barrel structure 1 and the bottom end of the top cover structure 3.

As shown in fig. 4-5 and fig. 10-15, a plurality of connecting structures 8 are provided at the bottom ends of the wall corners and the middle portions of the side walls of the bottom tube structure 1.

The bottom barrel structure 1 comprises a prefabricated bottom plate 5 and prefabricated side walls 11, the whole self weight of the elevator is borne by the prefabricated side walls 11, the prefabricated bottom plate 5 and the prefabricated side walls 11 are prefabricated and molded together, and the overall performance is good.

Connecting steel plates 12 are pre-buried in the upper corners of the periphery of the prefabricated side wall 11, and the connecting steel plates 12 are connected with vertical stressed steel bars in the prefabricated side wall 11 in a welding mode. The connecting surface of the connecting steel plate 12 protrudes 10mm from the top end surface of the prefabricated side wall 11, and the two side edges of the connecting steel plate 12 are retracted 20mm inwards relative to the two side edges of the prefabricated side wall 11.

And a 30mm pressing groove 6 is arranged below the prefabricated bottom plate 5, so that the bottom surface of the prefabricated bottom plate 5 and the bottom surface of the prefabricated side wall 11 are not on the same plane. The periphery and the central position of the prefabricated bottom plate 5 are provided with first through holes 7, and the gap between the bottom surface of the prefabricated bottom plate 5 and the top surface of the bottom plate 14 is tightly grouted through the first through holes 7. From this, can guarantee that the space between 5 bottom surfaces of prefabricated bottom plate and the 14 top surfaces of bottom plate is closely knit by the complete slip casting for end section of thick bamboo structure 1 combines inseparabler with bottom plate 14, guarantees the vertical steady of assembled elevartor shaft, multiplicable prefabricated bottom plate 5's structural performance simultaneously.

As shown in fig. 6, the connecting structure 8 is a blind hole or a steel sleeve grouting structure. And the grouting holes 9 and the grout outlet 10 of the blind hole or steel bar sleeve grouting structure are arranged on the outer side of the wall body, wherein the upper row is the grout outlet 10, and the lower row is the grouting hole 9.

The construction steps of the bottom cylinder structure 1 are as follows:

As shown in fig. 18-23 and 26-28, the hoistway unit 4 includes a prefabricated hoistway barrel 16 and a prefabricated floor slab 21. The prefabricated well barrel 16 is provided with an elevator door opening 17, the top of the side wall of the left end and the right end of the elevator door opening 17 is provided with a cantilever beam 18, and the height of the top surface of the cantilever beam 18 is consistent with that of the prefabricated well barrel 16. The precast floor slab 21 is installed and connected between the two cantilever beams 18.

And the upper and lower corner parts of the periphery of the prefabricated well barrel 16 are provided with connecting steel plates 12. The connecting surface of each connecting steel plate 12 protrudes 10mm relative to the structural end surface where each connecting steel plate 12 is located, and two side edges of each connecting steel plate 12 are retracted 20mm inward relative to two side edges of the structure where each connecting steel plate 12 is located. And the connecting steel plates 12 at the upper end and the lower end of the prefabricated well barrel 16 are welded with the structural steel bars in the prefabricated well barrel 16. When the hoistway structure 2 is installed on the upper floor and the lower floor, the connecting steel plates 12 between the two hoistway units 4 are welded for fixing, and mortar is filled in the gap after the whole hoistway structure 2 is completely installed, so that the whole elevator hoistway 2 can be installed in a short time.

The construction steps of the hoistway structure 2 are as follows:

1. when the prefabricated shaft cylinders 16 of the upper layer and the lower layer are installed, the connecting steel plates 12 between the prefabricated shaft cylinders 16 of the upper layer and the lower layer are aligned.

2. The whole elevator is fixed by welding the connecting steel plates 12 between the two prefabricated hoistway units 16.

3. And placing the precast floor slab 21 between the two grooves and tongues 19 of the two cantilever beams 18, and correspondingly aligning the second through hole 22 reserved on the precast floor slab 21 with the first internal thread sleeve reserved on the cantilever beam 18.

4. After the prefabricated floor slab 21 is placed, the prefabricated floor slab 21 is connected with the first internal thread sleeve 20 on the cantilever beam 18 through the prefabricated floor slab 21 by using the threaded steel bar 23, and then mortar is filled in the second through hole 22, so that the prefabricated floor slab 21 and the prefabricated well barrel 16 form a layer as a whole to form a standard well unit 4.

5. After the whole elevator project is completely installed, mortar is filled in the joint gaps between the hoistway units 4 and the side edges of the connecting steel plates 12, so that the whole elevator project can be installed in a short time.

As shown in fig. 35 and 37-38, the roof structure 3 includes a prefabricated roof cylinder 24 and a prefabricated cover plate 25. The prefabricated cover plate 24 is connected to the top end of the prefabricated top cover cylinder 24. The end face of the preformed cover plate 25 extends outwardly relative to the side of the preformed cap cylinder 24.

And the lower corners of the periphery of the prefabricated top cover cylinder body 24 are provided with connecting steel plates 12. The connecting surface of the connecting steel plate 12 protrudes out of the bottom end surface of the prefabricated top cover cylinder 24 by 10mm, and two side edges of the connecting steel plate 12 are opposite to two side edges of the prefabricated well cylinder 24 and are retracted inwards by 20 mm. The prefabricated roof structure 3 can be fixed on the prefabricated well structure 2 by welding the bottom end of the prefabricated roof structure 3 and the connecting steel plate 12 at the top end of the prefabricated well structure 2.

The construction steps of the roof structure 3 are as follows:

4. And after the whole elevator project is completely installed, filling mortar in the joint gap between the hoistway structure 2 and the top cover structure 3 and the side edge of the connecting steel plate 12.

The fabricated elevator shaft provided by the first embodiment, the second embodiment and the third embodiment is formed by assembling prefabricated parts without cast-in-place operation. The prefabricated member template is simple to manufacture, is assembled quickly, and can save the construction cost. Fixing through the connecting steel plate between the structure about the elevartor shaft earlier, treating behind the whole installation of elevartor shaft again to the gap department filling mortar or carry out the slip casting closely knit, shortened construction cycle greatly.

The above-described embodiments are set forth so that this disclosure will be thorough and complete, and will not be limited by any theory presented in the preceding claims, which may suggest themselves to those skilled in the art after reading this disclosure and all equivalents thereof that fall within the scope of the invention as defined in the claims appended hereto.

Claims

1. An assembled elevator shaft, characterized by comprising a bottom tube structure (1), a shaft structure (2) and a top cover structure (3); the bottom barrel structure (1), the well structure (2) and the top cover structure (3) are prefabricated parts or are formed by assembling and connecting the prefabricated parts;

a connecting steel plate (12) is arranged at the position, corresponding to the bottom end face of the well structure (2), of the top end face of the bottom barrel structure (1); a connecting steel plate (12) is arranged at the position, corresponding to the bottom end face of the top cover structure (3), of the top end face of the hoistway structure (2); the bottom end of the bottom cylinder structure (1) is fixedly connected with the top end of the foundation pit; the bottom end and the top end of the well structure (2) are fixedly connected with the top end of the bottom barrel structure (1) and the bottom end of the top cover structure (3) respectively.

2. A fabricated elevator hoistway according to claim 1 wherein the joint face of each of said tie steel plates (12) is convex with respect to the end face of the structure in which each of said tie steel plates (12) is located; two side edges of each connecting steel plate (12) are retracted inwards relative to two side edges of a structure where each connecting steel plate (12) is located; the connecting steel plate (12) is connected with a structural steel bar in the structure; the bottom end of the bottom cylinder structure (1) is connected with the top end of the foundation pit through a plurality of connecting structures (8); the bottom barrel structure (1) and the gap between the well structures (2), between the well structures (2) and the top cover structure (3) and between two adjacent well units (4) of the well structures (3) are compacted through filling mortar.

3. A fabricated elevator hoistway according to claim 1, wherein the bottom tube structure (1) is connected between the bottom end and the top end of a foundation pit, the bottom tube structure (1) is connected with the hoistway structure (2), the hoistway structure (2) is connected with the roof structure (3), and two adjacent hoistway units (4) of the hoistway structure (3) are connected with each other by a plurality of connecting structures (8); the top of end section of thick bamboo structure (1) with well structure (2) all is equipped with and goes on many play muscle (13) fixed with superstructure.

4. A fabricated elevator shaft as claimed in claim 3, wherein said connecting structures (8) are provided at the bottom ends of the bottom tube structure (1), the corners of the walls of the hoistway structure (2) and the roof structure (3) and at the middle positions of the side walls; the plurality of ribs (13) are arranged at the top ends of the peripheral corners and the middle parts of the side walls of the bottom barrel structure (1) and the shaft structure (2); the interference positions of the connecting steel plate (12) and the outgoing rib (13) and the connecting structure (8) are provided with holes.

5. A fabricated elevator shaft according to claim 2 or 3, characterised in that the connection structure (8) is a blind hole or a steel sleeve grouting structure, the grouting holes (9) or grout outlet holes (10) of which are provided on the outside of the wall.

6. A fabricated elevator shaft as claimed in claim 1, characterized in that the bottom tube structure comprises a prefabricated bottom plate (5) and prefabricated side walls (11), the prefabricated bottom plate (5) and the prefabricated side walls (11) being prefabricated together; the bottom end of the prefabricated bottom cylinder structure (1) is provided with a lower connecting interface which is used for being fixedly connected with a bottom plate (14) in a foundation pit; the top end of the prefabricated bottom cylinder structure (1) is provided with an upper connecting interface fixedly connected with the bottom end of the well;

the bottom plate (14) is a cast-in-place bottom plate, and the top surface of the bottom plate (14) is provided with a plurality of ribs (13) fixedly connected with the bottom end of the bottom cylinder structure (1);

the periphery of the lower end face of the prefabricated bottom plate (5) is provided with a pressure groove (6), and the periphery and the central position of the prefabricated bottom plate (5) are provided with a plurality of first through holes (7); and a gap between the bottom surface of the prefabricated bottom plate (5) and the top surface of the bottom plate (14) is connected through a plurality of first through holes (7) in a grouting manner.

7. A fabricated elevator shaft as defined in claim 1, wherein the hoistway structure (2) comprises a plurality of hoistway units (4), the hoistway units (4) are provided with connecting steel plates (12) on the upper and lower end surfaces thereof, and the hoistway structure (3) is formed by stacking and assembling the hoistway units (4);

the well unit (4) comprises a prefabricated well cylinder (16) and a prefabricated floor slab (21); the prefabricated well barrel (16) is provided with an elevator door opening (17), the top of the side wall of the left end and the right end of the elevator door opening (17) is provided with a cantilever beam (18), and the height of the top surface of the cantilever beam (18) is consistent with that of the prefabricated well barrel (16); the tops of opposite surfaces of the two cantilever beams (18) are respectively provided with a tongue-and-groove (19), the prefabricated floor slab (21) is installed and connected between the two tongue-and-groove (19), and the thickness of the prefabricated floor slab (21) is equal to the height of the tongue-and-groove (19);

the cantilever beam (18) is fixed with the precast floor slab (21) through a sleeve grouting structure, and the sleeve grouting structure comprises a plurality of first internal thread sleeves (20) arranged below the two rabbet (19); a plurality of second through holes (22) communicated with the first internal thread sleeves (20) are formed in two sides of the prefabricated floor slab (21); the first internal thread sleeve (20) is connected with a threaded steel bar (23), the top end of the threaded steel bar (23) is arranged in the second through hole (22), and the interior of each second through hole (22) is compacted through filling mortar; the bottom of the side wall of the prefabricated well barrel (16) except the plane where the elevator door opening (17) is located is provided with an outward convex line (19).

8. Fitted elevator shaft according to claim 1, characterized in that the roof structure (3) comprises a prefabricated roof cylinder (24) and a prefabricated cover plate (25); the bottom end of the prefabricated top cover cylinder (24) is provided with a connecting interface which is used for being fixedly connected with the top end of a well structure; the top end of the prefabricated top cover cylinder (24) is connected with the prefabricated cover plate (25); the end surface of the prefabricated cover plate (25) extends outwards relative to the side surface of the prefabricated top cover cylinder body (24);

the prefabricated top cover cylinder (24) and the prefabricated cover plate (25) are fixed in a welding or steel bar sleeve grouting connection mode; the bottom of each side wall of the prefabricated top cover cylinder body (24) is provided with an outwardly extending convex line (15); a hanging ring (26) is arranged at the center of the prefabricated top cover (25); the prefabricated top cover cylinder (24) is a square cylinder.

9. The fabricated elevator shaft as claimed in claim 8, wherein the prefabricated roof cylinder (24) is provided with a connecting steel plate (12) around the top end thereof; and the bottom surface of the prefabricated cover plate (25) is provided with connecting steel plates (12) at positions corresponding to the periphery of the top end of the prefabricated top cover cylinder (24).

10. The fabricated elevator shaft according to claim 8, wherein the prefabricated roof cylinder (24) is provided with a plurality of second internally threaded sleeves (27) on the outer side of the tops of the walls, a protrusion (28) is reserved on the periphery of the bottom surface of the prefabricated cover plate (25), and the side surface of the protrusion (28) is provided with a plurality of third through holes (29) communicated with the second internally threaded sleeves (28).