Fabricated shear wall elevator shaft adopting dry and wet mixed connection joints

Abstract

The utility model discloses an assembly type shear wall elevator shaft adopting dry and wet mixed connection nodes, which comprises an elevator shaft component, the elevator shaft is formed by stacking a plurality of elevator shaft components up and down, each elevator shaft component can be divided into a dry connection area and a wet connection area, a connection steel bar is arranged in the wall body at the upper end of the wet connection area, and the dry connection area is connected with the wet connection area. A steel bar sleeve is arranged in the lower-end wall body, a grouting opening is formed in the lower end of the steel bar sleeve, a grout outlet is formed in the upper end of the steel bar sleeve, a bolt is arranged in the upper-end wall body of the dry connection area, a hand hole is formed in the lower-end wall body of the dry connection area, and a bolt through hole is formed in the lower end face of the hand hole. A large amount of on-site cast-in-place and maintenance time is saved, the negative influence on the environment is reduced to the minimum, the requirement for the construction site in the installation process is low, only the minimum hoisting site is needed, on the premise that an out-of-plane site and an inclined strut are not used, temporary supporting can be provided automatically, effective fixing in the short-term hoisting process is achieved, and the construction period is shortened. And support-free installation is really realized.

Description

TECHNICAL FIELD

[0001] The utility model discloses an elevator shaft, concretely relates to an assembled shear wall elevator shaft adopting dry-wet mixed connecting nodes, and is suitable for existing multistory residential buildings with installed elevators. BACKGROUND

[0002] At present, reinforced concrete shear walls in the prior art are widely used in building engineering as good lateral force resisting members. They mainly bear vertical load, horizontal load caused by wind or earthquake in buildings, and increase structural rigidity, strength and anti-collapse capacity of buildings.

[0003] Cast-in-situ reinforced concrete walls and prefabricated assembled shear walls are two common types of shear walls. Although the technology is mature, they still have the following disadvantages.

[0004] Cast-in-situ reinforced concrete walls have the following disadvantages: large construction site, long construction period, large labor demand, large resource consumption, serious environmental pollution, and inconsistency with the green building principle of advocating low carbon and environmental protection in China.

[0005] Although prefabricated concrete shear walls avoid the problems of construction period and resource consumption, they are not suitable for some specific construction objects, such as installing elevators in conjunction with concrete, which must set temporary supports on building floors during construction. However, many old-style residences do not meet the installation conditions. According to the prior art, double-row sleeves need to be set in the wall body, and for a 200mm thick wall body, the diameter of the steel bars should not be too large. In addition, a certain amount of wet work is still required for interlayer connection, and the reliability of sleeve connection is greatly dependent on grouting material. According to the quality sampling of existing projects, the strength is insufficient, and hollowing due to moisture occurs from time to time. SUMMARY

[0006] The utility model aims at overcoming the above-mentioned shortcomings and provides an assembled shear wall elevator shaft adopting dry-wet mixed connecting nodes.

[0007] The utility model achieves the above-mentioned purpose through the following technical solutions.

[0008] An assembled shear wall elevator shaft with dry-wet mixed connecting nodes, comprising an elevator shaft assembly, connecting steel bars, steel bar sleeves, bolts and hand holes, the elevator shaft is formed by stacking multiple elevator shaft assemblies one on another, each elevator shaft assembly can be divided into a dry connection area and a wet connection area, the upper end wall of the wet connection area is provided with uniformly distributed connecting steel bars, one end of the connecting steel bars is fixed in the wall, and the other end is exposed outside the wall, the lower end wall of the wet connection area is provided with uniformly distributed steel bar sleeves, the lower end of the steel bar sleeves is provided with a grouting opening, and the upper end of the steel bar sleeves is provided with a grout outlet, the connecting steel bars on the lower elevator shaft assembly correspond to the steel bar sleeves on the upper elevator shaft assembly, and the connecting steel bars on each lower elevator shaft assembly are inserted into the steel bar sleeves on another upper elevator shaft assembly, the upper end wall of the dry connection area is provided with uniformly distributed bolts, one end of the bolts is fixed in the wall, and the other end is exposed outside the wall, the lower end wall of the dry connection area is provided with uniformly distributed hand holes, the lower end wall of the hand holes is provided with a channel steel, and the bolts pass through the channel steel and are provided with bolt through holes, the bolts on the lower elevator shaft assembly correspond to the bolt through holes on the upper elevator shaft assembly, and the bolts on each lower elevator shaft assembly are inserted into the bolt through holes on another upper elevator shaft assembly and are fixed through washers and nuts.

[0009] The left end wall of the hand hole is provided with a reinforcing steel bar.

[0010] The upper elevator shaft assembly and the lower elevator shaft assembly are provided with a grouting layer.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] The utility model adopts dry connection layer-by-layer fixing first, plays temporary support and temporary fixing effect, and pours grout finally, so that the whole hoisting work can be completed in a short time, the influence on the site environment is smaller, compared with the prior art, a large number of cast-in-place and maintenance time on site are saved, the construction period is greatly shortened, the negative influence on the environment is reduced to the minimum, the construction site requirement in the installation process is low, only the minimum hoisting site is needed, and the construction is convenient, the labor demand is small, the material nature is stable, safe and reliable, under the premise of not relying on the plane external site and inclined support, temporary support can be provided self, effective fixing in the short-term hoisting process is achieved, and support-free installation is realized.

[0013] The left end wall of the hand hole is provided with a reinforcing steel bar, and the strength of the elevator shaft assembly itself is effectively improved.

[0014] The upper elevator shaft assembly and the lower elevator shaft assembly are provided with a grouting layer, and the connecting strength between the upper and lower elevator shaft assemblies is increased. DRAWINGS

[0015] Figure 1 It is a structure schematic view of the elevator shaft assembly of the utility model.

[0016] Figure 2 is the structure schematic view of the connecting area of the utility model;

[0017] Figure 3 is the sectional view of the dry connecting area of the utility model;

[0018] Figure 4 is the sectional view of the wet connecting area of the utility model;

[0019] The figure mark: elevator shaft assembly-1, connecting steel bar-2, steel bar sleeve-3, bolt-4, hand hole-5, dry connecting area-6, wet connecting area-7, channel steel-8, reinforcing steel bar-9, grouting port-10, out grouting port-11, sitting grouting layer-12, lower layer elevator shaft assembly-13, upper layer elevator shaft assembly-14. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. The elements and features described in one embodiment of the utility model can be combined with the elements and features shown in one or more other embodiments. It should be noted that, for the purpose of clarity, the representation and description of components and processes irrelevant to the utility model and known to those of ordinary skill in the art are omitted in the description. With the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0021] The utility model is further described below with reference to the drawings: a kind of assembly type shear wall elevator shaft using dry-wet mixed connecting node, including elevator shaft component 1, connecting reinforcement 2, steel sleeve 3, bolt 4 and hand hole 5, elevator shaft is formed by the upper and lower superposition of multiple elevator shaft components 1, each elevator shaft component 1 can be divided into dry connection area 6 and wet connection area 7, the upper end wall body of wet connection area 7 is equipped with the connecting reinforcement 2 of uniform distribution, one end of connecting reinforcement 2 is fixed in wall body, another end is exposed in wall body outside, the lower end wall body of wet connection area 7 is equipped with the steel sleeve 3 of uniform distribution, the lower end of steel sleeve 3 is equipped with grouting port 10, the upper end of steel sleeve 3 is equipped with slurry outlet 11, the connecting reinforcement 2 on the lower elevator shaft component 13 corresponds with the steel sleeve 3 on the upper elevator shaft component 14, and the connecting reinforcement 2 on each lower elevator shaft component 13 is inserted into the steel sleeve 3 on another layer upper elevator shaft component 14, the upper end wall body of dry connection area 6 is equipped with the bolt 4 of uniform distribution, one end of bolt 4 is fixed in wall body, another end is exposed in wall body outside, the lower end wall body of dry connection area 6 is equipped with the hand hole 5 of uniform distribution, the lower end wall body of hand hole 5 is equipped with channel steel 8, the lower end surface of hand hole 5 is equipped with bolt through-hole, bolt through-hole passes through channel steel 8, the bolt 4 on the lower elevator shaft component 13 corresponds with the bolt through-hole on the upper elevator shaft component, and the bolt 4 on each lower elevator shaft component 13 is inserted into the bolt through-hole on another layer upper elevator shaft component 14, and is fixed by gasket and nut, eliminate a large number of cast-in-place and maintenance time on site, greatly shorten construction period, and the negative influence to environment is reduced to a minimum, the installation process is low to construction site requirement, only needs minimum lifting site, and construction is convenient, and the demand for labor is small, material property is stable, safe and reliable, under the premise of not relying on plane external site and inclined support, can provide temporary support by itself, reach effective fixation in short-term hoisting process, realize support-free installation truly.

[0022] The left end wall body of hand hole is equipped with reinforcing steel bar 9, effectively improves the strength of elevator shaft component itself.

[0023] The upper elevator shaft component and the lower elevator shaft component are equipped with grouting layer 12, and the connecting strength between the upper and lower elevator shaft components is increased.

[0024] The utility model uses dry connection to fix layer by layer first, plays temporary support and temporary fixed effect, and grouts finally, so that entire hoisting work can be completed in short time, and the influence to site environment is less.The specific working principle is as follows:

[0025] The connecting steel bars 2 of the lower elevator shaft assembly 13 are placed on the ground, a layer of mortar 12 is laid on the upper surface of the lower elevator shaft assembly 13, the upper elevator shaft assembly 14 is stacked on the lower elevator shaft assembly 13, the connecting steel bars 2 and the bolts 4 on the lower elevator shaft assembly 13 are inserted into the corresponding steel bar sleeves 3 and bolt through holes on the upper elevator shaft assembly 14, the bolts 4 pass through the bolt through holes into the hand holes 5, the washers and nuts are screwed on the bolts 4 to fix the upper and lower elevator shaft assemblies, then the cement mortar is poured into the steel bar sleeves 3 from the grouting opening 10 until the cement mortar flows out from the outlet opening 11, the connecting mode can provide temporary support by itself without the help of the horizontal site and the inclined support, effectively fixes in the short-term hoisting process, and truly realizes the support-free installation.

[0026] Similarly, the elevator shaft assembly 1 is stacked on the upper elevator shaft assembly 14 again, at this time, the upper elevator shaft assembly 14 is changed into the lower elevator shaft assembly 13, and the stacked elevator shaft assembly 1 is the upper elevator shaft assembly 14, and the above operation is repeated, so that the assembly of the elevator shaft is completed.

[0027] Finally, it should be noted that although the present application and its advantages have been described in detail, it should be understood that various changes, substitutions and modifications can be made without departing from the spirit and scope of the present application as defined by the appended claims. Moreover, the scope of the present application is not limited to the specific embodiments described in the specification. Those skilled in the art will readily understand from the disclosure of the present application that processes, devices, means, methods and steps according to the present application can be used to perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein. Therefore, the appended claims are intended to cover such processes, devices, means, methods and steps.

Claims

1. A fabricated elevator shaft of shear wall using dry-wet mixed connection joint, comprising elevator shaft assembly (1), connecting steel bars (2), steel bar sleeve (3), bolts (4) and hand holes (5), characterized in that: The elevator shaft is formed by stacking multiple elevator shaft components (1) on top of each other, each of which can be divided into a dry connection area (6) and a wet connection area (7), the upper end wall of the wet connection area (7) is provided with uniformly distributed connecting steel bars (2), one end of the connecting steel bars (2) is fixed in the wall, and the other end is exposed outside the wall, the lower end wall of the wet connection area (7) is provided with uniformly distributed steel sleeves (3), the lower end of the steel sleeve (3) is provided with a grouting port (10), the upper end of the steel sleeve (3) is provided with a grout outlet (11), the connecting steel bars (2) on the lower elevator shaft component (13) correspond to the steel sleeves (3) on the upper elevator shaft component (14), and the connecting steel bars (2) on each layer of the lower elevator shaft component (13) are inserted into the steel sleeves (3) on another layer of the upper elevator shaft component (14), the upper end wall of the dry connection area (6) is provided with uniformly distributed bolts (4), one end of the bolt (4) is fixed in the wall, and the other end is exposed outside the wall, the lower end wall of the dry connection area (6) is provided with uniformly distributed hand holes (5), the lower end wall of the hand hole (5) is provided with a channel steel (8), the lower end face of the hand hole (5) is provided with a bolt through hole, the bolt through hole passes through the channel steel (8), the bolt (4) on the lower elevator shaft component (13) corresponds to the bolt through hole on the upper elevator shaft component, and the bolt (4) on each layer of the lower elevator shaft component (13) is inserted into the bolt through hole on another layer of the upper elevator shaft component (14) and is fixed by a gasket and a nut.

2. The assembled elevator shaft of claim 1, wherein the dry-wet hybrid connection node is characterized in that: The left end wall of the hand hole is provided with a reinforcing steel bar (9).

3. The assembled elevator shaft of claim 1, wherein the assembled elevator shaft is characterized by: A grouting layer (12) is arranged between the upper elevator shaft component and the lower elevator shaft component.

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