CN107060275B - A modular elevator shaft construction technology - Google Patents

Abstract

The invention discloses a modular elevator well construction process, which comprises the steps of constructing an elevator well foundation, connecting modular elevator well single bodies, fixing the modular elevator well single bodies and erecting a steel structure corridor, wherein the concrete caisson, the modular elevator hoistway monomer and the steel structure corridor are prefabricated outside the site, the modular elevator shaft monomer and the steel structure corridor are alternately hoisted and connected, and the two modular elevator shaft monomers are welded and fixed through the batten plate after being butted, the elevator shaft added to the existing building by adopting the invention has the characteristics of convenient construction, quick butting and cost saving, effectively shortens the construction period, avoids the phenomena of disturbance of people and serious environmental damage in the traditional construction, in addition, the steel construction vestibule has replaced the effect of traditional scaffold to solve the scaffold dismouting and wasted time and energy and spent artificial problem, had the safety guarantee moreover.

Description

A modular elevator shaft construction technology

【Technical field】

The invention relates to an elevator shaft, in particular to a modular elevator shaft construction process.

【Background technique】

As people's requirements for the living environment are getting higher and higher, including travel convenience, and my country has entered the stage of population aging, but the buildings were built in the 1980s and 1990s, and generally many residential buildings higher than 7 floors are not installed. Elevators, for this reason, seriously affect the convenience of people's travel, especially for the elderly. The above-mentioned problem of adding elevators to existing buildings has attracted more and more people's attention and has become a social problem that needs to be solved urgently. The traditional addition of elevators to existing buildings mainly uses on-site construction of brick-concrete structures and steel structures as elevator shafts. After civil construction is completed, elevator equipment is installed. Using this traditional addition method has the disadvantages of long construction period, site confusion and loud noise. The defects that interfere with the normal life of residents, destroy the surrounding environment of the existing buildings, and even bring security risks to the residents.

The present invention is researched and proposed for the deficiencies of the prior art.

[Content of the invention]

The technical problem to be solved by the present invention is to provide a modular elevator shaft construction process, which includes building an elevator shaft foundation, connecting the modular elevator shaft monomers, fixing the modular elevator shaft monomers, and erecting a steel structure corridor, wherein the concrete caisson . The modular elevator shaft monomer and the steel structure corridor are prefabricated off-site, and the modular elevator shaft monomer and the steel structure corridor are alternately hoisted and connected. The use of the present invention to add elevator shafts to existing buildings has the characteristics of convenient construction, fast connection and cost saving, effectively shortens the construction period, and avoids the phenomenon of traditional construction disturbing residents and serious environmental damage. In addition, the steel structure corridor replaces the The function of traditional scaffolding, and solves the problem of time-consuming, labor-intensive and labor-intensive disassembly and assembly of scaffolding, and has safety guarantee.

In order to solve the above-mentioned technical problems, a modular elevator shaft construction process of the present invention comprises the following steps:

A. Construction of elevator shaft foundation: The piles and caps are poured successively at the elevator shaft construction site according to the design requirements. The reinforcement in the pile extends to the cap and is connected with the reinforcement in the cap. The said The reinforcement part in the bearing platform protrudes from its upper surface; then, the prefabricated concrete caisson is connected and fixed with the reinforcement reserved on the upper surface of the bearing platform, and concrete is poured again to fix the bearing platform and the concrete caisson as a whole. An anchor bolt is preset on the concrete caisson;

B. Connecting the modular elevator shaft monomer: hoisting the prefabricated modular elevator shaft monomer, connecting and fixing the lower end of the modular elevator shaft monomer through concrete caisson anchor bolts, and connecting the two modular elevator hoistway monomers through The core column guides butt joint, so that the channel steel at the upper end of the two butt-jointed modular elevator hoistway units is fastened with the channel steel at the lower end of the other modular elevator hoistway unit;

C. Fix the modular elevator shaft monomer, and the channel steel between the adjacent two modular elevator hoistway monomers is welded and fixed along the circumferential side by the trim plate;

D. Erection of steel structure corridors, erecting steel structure corridors between the docked modular elevator shaft monomer and the building, and fixing, and then alternately hoisting and connecting the modular elevator shaft monomer and erecting the steel structure connection gallery.

The modular elevator hoistway unit includes a hollow hoistway unit surrounded by steel vertical channels, channel steels are fixedly connected between the upper ends and the lower ends of two adjacent vertical channels, and the The grooves of the channel steel at the upper and lower ends of the hoistway unit are arranged in the opposite direction, and a lateral square channel is fixed in the middle of the side surface of the hoistway unit and located between two adjacent vertical channels.

Diagonal braces are fixed on one side of the hoistway unit and located between the channel steel and the diagonal ends of the lateral square passages, and a beam frame is fixed on the opposite side of the hoistway unit and located between the two vertical square passages.

Two diagonal braces are arranged on one side of the hoistway unit, and the two diagonal braces are arranged to cross each other.

The beam frame includes an upper beam and a lower beam, the upper beam and the lower beam are respectively located on the upper and lower sides of the lateral square pass, and the upper beam and the lateral square pass and between the lower beam and the channel steel are arranged vertically. There are vertical beams.

A glass curtain wall is embedded on the side of the well unit.

The upper section of the core column has a pyramid structure for guiding connection, and the lower section of the core column has a prismatic structure. When connecting, the lower section of the core column is fixed to the upper end of the modular elevator shaft. When the elevator shaft units are butted, the upper section of the core column is guided and inserted into the lower end of the corresponding modular elevator shaft unit.

The steel structure corridor is fixedly connected with the building floor and the modular elevator shaft monomer through bolts, and the upper surface of the steel structure corridor is covered with a non-slip cushion.

Compared with the prior art, the present invention is a modular elevator shaft construction process, which adopts the prefabricated modular elevator shaft monomer, steel structure corridor and concrete caisson outside the construction site, transported to the site and then connected, and at the same time, the steel structure connection is connected. It has the characteristics of short construction period, fast docking, safety and reliability and low cost, and avoids the phenomenon of traditional construction disturbing residents and serious environmental damage.

【Description of drawings】

The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

1 is a front view of a modular elevator shaft in the present invention;

Fig. 2 is the right side view of the modular elevator shaft in the present invention;

3 is a front view of the docking of two modular elevator shaft monomers in the present invention;

Fig. 4 is the right side view of the docking of two modular elevator shaft monomers in the present invention;

Fig. 5 is the left side view of the docking of two modular elevator shaft monomers in the present invention;

6 is a rear view of the butt joint of two modular elevator shafts in the present invention;

7 is a top view of the butt joint of two modular elevator shafts in the present invention;

Fig. 8 is the front view of the core column in the present invention;

Fig. 9 is the top view of the core column in the present invention;

Figure 10 is a cross-sectional view of the base structure in the present invention;

Figure 11 is a top view of the base structure of the present invention.

【Detailed ways】

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

A modular elevator hoistway construction process of the present invention, as shown in Figures 1 and 2, is a modular elevator hoistway using the construction process of the present invention, that is, the modular elevator hoistway monomers are connected to form, and the modular elevator hoistway monomers are implemented. Off-site prefabrication not only improves on-site construction efficiency, but also minimizes site space, including the following steps:

A. Construction of elevator shaft foundation: The piles 15 and the caps 16 are poured successively at the elevator shaft construction site according to the design requirements. The reinforcement is connected, and the reinforcement part in the cap 16 extends out of its upper surface; then, the prefabricated concrete caisson 17 is connected and fixed with the reinforcement reserved on the upper surface of the cap 16, and concrete is poured again to make the cap 16 and the concrete caisson 17 are fixed as a whole, and anchor bolts are preset on the concrete caisson 17;

B. Connecting the modular elevator shaft monomer: hoisting the prefabricated modular elevator shaft monomer, and connecting and fixing the lower end of the modular elevator shaft monomer through the concrete caisson 17 anchor bolts, between the two modular elevator shaft monomers Guided butt by the core column 12, so that the channel steel 3 at the upper end of the two butted modular elevator hoistway monomers is fastened with the channel steel 3 at the lower end of the other modular elevator hoistway monomer;

C. The modular elevator shaft monomer is fixed, and the channel steel 3 between the adjacent two modular elevator shaft monomers is welded and fixed along the circumferential side by the bracket 11;

D. Erection of steel structure connecting corridors 13, erecting steel structure connecting corridors 13 between the completed butt-jointed modular elevator shaft monomer and the building, and fixing, and then alternately hoisting and connecting the modular elevator shaft monomer and erecting steel Structure Corridor 13.

The modular elevator hoistway unit includes a hollow hoistway unit 1 surrounded by a steel vertical square pass 2, and a channel steel 3 is fixedly connected between the upper ends and the lower ends of the two adjacent vertical square passes 2. , and the grooves of the channel steel 3 at the upper and lower ends of the hoistway unit 1 are arranged in the opposite direction, and the lateral side channel 4 is fixed in the middle of the side surface of the hoistway unit 1 and located between two adjacent vertical channels 2 .

In order to strengthen the connection strength of the hoistway unit 1, as shown in FIG. 4, a diagonal brace 6 is fixed on one side of the hoistway unit 1 and located between the channel steel 3 and the diagonal end of the transverse square 4. The hoistway unit 1 A beam frame 5 is fixed on the opposite side and located between the two vertical passages 2 . As shown in FIG. 5 , the beam frame 5 includes an upper beam 7 and a lower beam 8 . The upper beam 7 and the lower beam 8 are respectively located on the upper and lower sides of the lateral square pass 4 , and the upper beam 7 is connected to the lateral square pass 4 . Vertical beams 9 are arranged vertically between the middle and the lower beam 8 and the channel steel 3 .

In order to improve and balance the stress condition of the hoistway unit 1, two diagonal braces 6 are provided on one side of the hoistway unit 1, and the two diagonal braces 6 are arranged to cross each other.

In order to improve the installation efficiency, the glass curtain wall 10 is embedded on the side of the shaft unit 1. Therefore, modular production can be formed outside the construction site, which has the characteristics of simple design structure, convenient construction, fast connection and cost saving.

The upper section of the core column 12 has a pyramid structure for guiding connection, and the lower section of the core column 12 has a prismatic structure. When connecting, the lower section of the core column 12 is fixed to the upper end of the modular elevator shaft unit. When the two modular elevator hoistway units are butted together, the upper section of the core column 12 is guided and inserted into the lower end of the corresponding modular elevator hoistway unit.

The steel structure corridor 13 is fixedly connected with the building floor and the modular elevator shaft monomer by bolts, and the upper surface of the steel structure corridor 13 is covered with a non-slip cushion 14 . When the hoistway unit 1 is hoisted, the erected steel structure corridor 13 can be used as a scaffold, thus reducing the time for erecting the scaffold and reducing the labor cost. In addition, the steel structure corridor 13 is fixedly connected to the building floor to further strengthen the connection strength of the docked modular elevator shaft and the entire elevator shaft to ensure safe and reliable use.

As shown in Figures 10 and 11, during the on-site construction, the piles 15 and the caps 16 of the foundation part are cast on site, while the concrete caisson 17 is prefabricated outside the construction site such as a single modular elevator shaft, and the concrete caisson 17 is transported to the After the bearing platform 16 is connected and fixed, each modular elevator shaft monomer and the steel structure connecting corridor 13 can be hoisted and connected correspondingly. Therefore, a modular elevator shaft of the present invention has the characteristics of short construction period, fast connection and low cost, and avoids the phenomenon of disturbing residents and serious environmental damage in traditional construction.

Claims (2)

1. A modular elevator shaft construction process is characterized by comprising the following steps:

A. constructing an elevator hoistway foundation: pouring a pile (15) and a bearing platform (16) in sequence according to design requirements on an elevator shaft construction site, wherein reinforcing bars in the pile (15) extend to the bearing platform (16) and are connected with reinforcing bars in the bearing platform (16), and reinforcing bars in the bearing platform (16) partially extend out of the upper surface of the bearing platform; then, connecting and fixing the precast concrete caisson (17) and a reinforcing bar reserved on the upper surface of the bearing platform (16), pouring concrete again to fix the bearing platform (16) and the concrete caisson (17) into a whole, and presetting foundation bolts on the concrete caisson (17);

B. connecting modular elevator hoistway units: hoisting prefabricated modular elevator well single bodies, connecting and fixing the lower ends of the modular elevator well single bodies through foundation bolts of a concrete caisson (17), enabling channel steel (3) at the upper ends of the two modular elevator well single bodies to be buckled with channel steel (3) at the lower ends of the other modular elevator well single bodies through guide butt joint of a core column (12), wherein the upper section of the core column (12) is of a pyramid platform structure for guide connection, the lower section of the core column (12) is of a prism structure, the lower section of the core column (12) is fixed at the upper ends of the modular elevator well single bodies during connection, and when the two modular elevator well single bodies are in butt joint, the upper section of the core column (12) is guided and inserted into the lower ends of the corresponding modular elevator well single bodies;

C. the modularized elevator hoistway single body is fixed, the modularized elevator hoistway single body comprises a hollow hoistway unit (1) surrounded by steel vertical square tubes (2), channel steel (3) is fixedly connected between the upper ends and the lower ends of the two adjacent vertical square tubes (2), grooves of the channel steel (3) at the upper end and the lower end of the hoistway unit (1) are arranged in a back-to-back mode, a transverse square tube (4) is fixedly arranged in the middle of the side surface of the hoistway unit (1) and between the two adjacent vertical square tubes (2), and the channel steel (3) between the two adjacent modularized elevator hoistway single bodies is welded and fixed along the circumferential side surface through batten plates (11);

D. erecting a steel structure corridor (13), erecting the steel structure corridor (13) between the butted modular elevator shaft monomer and the building, fixing, and then alternately hoisting and installing the modular elevator shaft monomer and erecting the steel structure corridor (13);

an inclined strut (6) is fixedly arranged on one side face of the well unit (1) and between the channel steel (3) and the diagonal end of the transverse square tube (4), and a beam frame (5) is fixedly arranged on the other opposite side face of the well unit (1) and between the two vertical square tubes (2);

two inclined struts (6) are arranged on one side face of the hoistway unit (1), and the two inclined struts (6) are arranged in a mutually crossed mode;

the beam frame (5) comprises an upper beam (7) and a lower beam (8), the upper beam (7) and the lower beam (8) are respectively positioned at the upper side and the lower side of the transverse square tube (4), and vertical beams (9) are vertically arranged between the upper beam (7) and the transverse square tube (4) and between the lower beam (8) and the channel steel (3); steel construction vestibule (13) are through bolt and building floor and modularization elevator well monomer fixed connection, just steel construction vestibule (13) upper surface has laid anti-skidding bed course (14).

2. A modular elevator shaft construction process according to claim 1, characterized in that the shaft unit (1) is embedded with glass curtain walls (10) at the sides.

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