CN216974064U

CN216974064U - Assembled elevator shaft's well unit and well

Info

Publication number: CN216974064U
Application number: CN202122539240.7U
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: 2022-07-15
Anticipated expiration: 2031-10-21

Abstract

The utility model provides a well unit of an assembled elevator well and a well, wherein the well unit comprises a prefabricated well barrel and a prefabricated floor slab; the prefabricated shaft barrel is provided with an elevator door opening, cantilever beams are arranged at the top of side walls at 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; and a plurality of connecting steel plates are arranged on the upper end surface and the lower end surface of the prefabricated well barrel. The well unit of the utility model has simple manufacture, quick assembly, construction cost saving and short construction period.

Description

Assembled elevator shaft's well unit and well

Technical Field

The utility model relates to the technical field of fabricated buildings, in particular to a well unit of a fabricated elevator well and a well.

Background

With the upgrading and reconstruction of more and more old city projects, the demand for newly adding elevators to the existing buildings is increased. 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 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.

Chinese utility model patent publication No. CN212388904U discloses a laminated precast concrete elevator shaft connection device, which comprises a floor slab, a floor beam, an extruded sheet, a corrugated pipe, a reinforcing bar, a grouting material, an upper precast elevator shaft, a lower 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 structure has the advantages of simple process, convenient installation, less field wet operation and the like; but prefabricated elevator well comprises upper and lower prefabricated elevator well range upon range of formula assembly, and assembly efficiency is low, and the wholeness can be poor, and the construction cycle is long.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a hoistway unit of an assembled elevator hoistway and a hoistway, which have the advantages of simple production and manufacture, quick assembly and small influence on site construction, aiming at the defects of long construction period and large influence on site construction of the existing additional elevator hoistway.

In order to achieve the purpose, the utility model adopts the technical scheme that: a hoistway unit of an assembled elevator hoistway includes a prefabricated hoistway barrel and a prefabricated floor slab; the prefabricated shaft barrel is provided with an elevator door opening, cantilever beams are arranged at the top of side walls at the left end and the right end of the elevator door opening, the prefabricated floor slab is installed and connected between the two cantilever beams, and a plurality of connecting steel plates are arranged on the upper end face and the lower end face of the prefabricated barrel.

The template of the well unit is simple to manufacture and quick to assemble, and the construction cost can be saved; fixing the hoistway units through the connecting steel plates, filling mortar or grouting the gap after the whole elevator hoistway structure is completely installed, and greatly shortening the construction period.

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 corner and the lower corner 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 threaded steel bars, the top ends of the threaded steel bars are arranged in the second through holes, and the inner portions of the second through holes are 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.

Based on the same conception, the utility model also provides a hoistway of the assembled elevator hoistway, which comprises a plurality of hoistway units, wherein the upper end surface and the lower end surface of each hoistway unit are provided with a plurality of connecting steel plates, and the hoistway units are assembled and connected in a stacking manner to form a hoistway structure.

Compared with the prior art, the utility model has the following beneficial effects:

firstly, the well unit and the well template of the fabricated elevator well are simple to manufacture, quick to assemble and capable of saving construction cost;

and secondly, fixing the hoistway units through connecting steel plates, filling mortar or grouting the gap after the whole elevator hoistway structure is completely installed, and greatly shortening the construction period.

And thirdly, 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 elevator well structure, and the prefabricated well barrel has a waterproof effect.

Drawings

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

FIG. 2 is a schematic structural diagram of 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 showing a lower part of a bottom cylinder according to a 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 view of a lower structure 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 between 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 well cylinders according to a third embodiment of the present invention;

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

FIG. 30 is a schematic view of the top structure of a pre-formed top-capped cylinder according to a first embodiment of the present invention;

fig. 31 is a schematic diagram of a prefabricated cover plate structure according to a first embodiment of the present invention;

FIG. 32 is a schematic view of a top cylinder structure 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 utility model;

fig. 35 is a schematic diagram of a prefabricated cover plate structure according to the second and third embodiments 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 shaft structure 2 is formed by assembling and connecting a plurality of shaft 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 around the bottom barrel structure 1 and the middle positions of the side walls.

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. Prefabricated bottom plate 5 is equipped with first through-hole 7 all around with central point to be put, prefabricated bottom plate 5 bottom surface with the space between the 14 top surfaces of bottom plate is through a plurality of first through-hole 7 carries out the slip casting closely knit. 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 precast 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 equipped with connection steel plate 12 around upper and lower corner portion, the connection face of connection steel plate 12 with the structure terminal surface that connection steel plate 12 is located is at the coplanar. The interference position 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 is conducted on the grouting holes 9 of each blind hole or the grouting sleeve through grouting materials, and the grouting materials are blocked after overflowing from the grout outlet holes 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 25 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 barrel 24 is characterized in that connecting steel plates 12 are arranged on the periphery of the lower portion of the prefabricated top cover barrel 24, and the connecting surfaces of the connecting steel plates 12 and the bottom end face of the prefabricated top cover barrel 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 cover plate 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 shaft structure 2 is formed by assembling and connecting a plurality of shaft 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 are on 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 on the periphery of 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:

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 21 are formed into a whole to form a standard shaft unit 4.

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:

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. 33-36, the cap structure 3 includes a preformed cap cylinder 24 and a preformed cap plate 25. The bottom of prefabricated top cap barrel 24 corner around and each side wall middle part position all is equipped with a plurality of connection structure 8. The prefabricated top cover cylinder 24 is connected with the top end of the prefabricated elevator hoistway 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.

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

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, fig. 10-15, fig. 18-23, fig. 26-28, fig. 35, and fig. 37-38, the fabricated elevator shaft provided in 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 pressing 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 internally 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 lifting ring 26, a second internally 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 shaft structure 2 is formed by assembling and connecting a plurality of shaft 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 center of the prefabricated bottom plate 5 are provided with 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 densely filled with grouting 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:

2. And (3) 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 is conducted on the grouting holes 9 of each blind hole or the grouting sleeve through grouting materials, and the grouting materials are blocked after overflowing from the grout outlet holes 10.

4. And grouting is carried out on 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 is combined with the bottom plate 14 more tightly, and the structural performance of the prefabricated bottom plate 14 is improved.

As shown in fig. 18-23 and 26-28, the hoistway unit 4 includes a prefabricated hoistway cylinder 16 and a prefabricated floor 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.

The tops of the 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 inside the second through hole 22, and mortar is filled inside the second through hole 22 for compacting. Thereby, the prefabricated shaft cylinder 16 and the prefabricated floor 21 are formed into a whole to form a standard shaft unit 4.

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 top cover structure 3 can be fixed on the prefabricated well structure 2 by welding the bottom end of the prefabricated top cover structure 3 and the connecting steel plate 12 at the top end of the prefabricated well structure 2.

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 top of each wall of the prefabricated top cover barrel 24, protrusions 28 are reserved on the periphery of the bottom face of the prefabricated cover plate 25, the inner size of each protrusion 28 is larger than the outer frame size of the prefabricated top cover barrel 24, and a plurality of third through holes 29 communicated with the second internal thread sleeves 28 are formed in the side face of each protrusion 28.

The center of the bottom surface of the prefabricated cover plate 25 is provided with a hanging ring 26 for the use of hoisting equipment.

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 fastened to the upper portion 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.

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 as to illustrate the present invention more clearly and not to limit the scope of the present invention, and it is understood that modifications of various equivalent forms of the present invention, which may occur to those skilled in the art after reading the present invention, fall within the scope of the present invention as defined in the appended claims.

Claims

1. A hoistway unit of a fabricated elevator hoistway, characterized by comprising a prefabricated hoistway cylinder (16) and a prefabricated floor slab (21);

the prefabricated hoistway barrel (16) is provided with an elevator door opening (17), cantilever beams (18) are arranged at the top of side walls at the left end and the right end of the elevator door opening (17), and the prefabricated floor slab (21) is installed and connected between the two cantilever beams (18);

and a plurality of connecting steel plates (12) are arranged on the upper end surface and the lower end surface of the prefabricated well barrel (16).

2. Hoistway unit of a fabricated elevator hoistway according to claim 1, characterized in that the height of the top surface of the cantilever beam (18) coincides with the height of the top surface of the prefabricated hoistway drum (16).

3. A hoistway unit of a fabricated elevator hoistway as defined in claim 1 wherein said plurality of attachment plates (12) are provided at upper and lower corners around said prefabricated hoistway drum (16).

4. A shaft unit of a fabricated elevator shaft as claimed in claim 1, characterized in that the tops of the opposite faces of the two cantilever beams (18) are provided with a tongue-and-groove (19), respectively, and the precast floor slab (21) is installed and connected between the two tongue-and-grooves (19).

5. Hoistway unit of a fabricated elevator hoistway according to claim 4, characterized in that the thickness of the prefabricated floor slab (21) is equal to the height of the tongue-and-groove (19).

6. A hoistway unit of a fabricated elevator hoistway according to claim 4 wherein said cantilever beam (18) is fixed to said prefabricated floor slab (21) by means of a sleeve grouting structure.

7. A hoistway unit of a fabricated elevator hoistway according to claim 6, wherein said sleeve grouting structure comprises a plurality of first internally threaded sleeves (20) provided below two of said rebates (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 inside of each second through hole (22) is compacted through filling mortar.

8. Hoistway unit of a fabricated elevator hoistway according to any of claims 1-7, characterized in that the bottom of the side wall of the prefabricated hoistway cylinder (16) excluding the plane of the elevator door opening (17) is provided with outwardly protruding lines (15).

9. A shaft of a fabricated elevator shaft, characterized by comprising a plurality of shaft units (4) according to any one of claims 1-8, wherein the shaft units (4) are provided with a plurality of connecting steel plates (12) at the upper and lower end surfaces, and a shaft structure (2) is formed by stacking and assembling the shaft units (4).