Assembly type corridor connecting structure of external elevator shaft

Abstract

The invention provides a corridor connecting structure of an assembly type external elevator shaft. The corridor connecting structure comprises corridor supporting beams, an upper layer unit structure, a lower layer unit structure and a front column anti-shearing assembly. The front column is composed of a cavity body and sealing plates on the two sides, a notch is formed in the lower-layer sealing plate, and the upper-layer sealing plate and the notch are embedded and tightly press the supporting beam. The shear-resistant plate is welded to the end of the supporting beam and inserted into shear-resistant holes of the upper-layer front column and the lower-layer front column, then the supporting beam and the front columns are vertically locked through the first bolt and the third bolt, the supporting beam and the transverse frame are transversely locked through the second bolt and the fourth bolt, and a three-dimensional shear-resistant system is formed. The nuts are pre-welded to the anti-shear plates, bolts only need to be screwed down on site, construction efficiency is improved, bearing capacity is improved, single pieces can be detached and replaced during maintenance, and the anti-seismic assembly type external elevator shaft is suitable for a high-seismic-resistance assembly type external elevator shaft.

Description

Technical Field

[0001] The invention relates to a corridor connection structure of an assembled external elevator shaft, belonging to the technical field of building structures. Background Art

[0002] The existing prefabricated external elevator shaft corridor connection structure is mostly welded or integrally cast, which has the following defects: (1) low construction efficiency, on-site welding or casting requires a lot of manpower and is affected by the weather; (2) structural redundancy, shear connectors are scattered, resulting in material waste; (3) maintenance is difficult, welding parts are prone to rust, and later maintenance requires destruction of the structure; (4) high precision requirements, prefabricated component errors can easily lead to the corridor support beams being unable to align.

[0003] The patent with application number CN202121086363.3 provides a corridor structure for an assembled elevator shaft, which includes a square frame beam and several columns arranged on the bottom surface of the frame beam; a platform floor is installed on the frame beam for connecting the elevator shaft with the existing building, and the top of the frame beam is also provided with several embedded steel plates corresponding to the several columns, and each embedded steel plate is fastened with embedded steel bars, and a reserved grouting sleeve is provided on the bottom surface of the column for installing the embedded steel bars; it adopts an assembled corridor structure with frame beams and columns, thereby overcoming the defects of the existing technology using cast-in-place construction method, and can be prefabricated in the factory and assembled layer by layer on the construction site. The construction is simple, the cycle is short, the assembly efficiency is high, the construction cost is low, it is green and environmentally friendly, safe and reliable, and solves the problem of using expansion bolts to fasten the steel structure corridor to the building; it is widely suitable for use in conjunction with outdoor elevator corridors.

[0004] Therefore, there is an urgent need for a corridor connection structure that can be quickly assembled, has strong shear resistance and is easy to maintain. Summary of the Invention

[0005] The purpose of the present invention is to provide a prefabricated external elevator shaft corridor connection structure to solve the problems raised in the above background technology:

[0006] (1) How to solve the construction and performance defects of traditional corridor connection structures and make prefabricated external elevator shafts suitable for high seismic fortification areas.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A corridor connection structure for an assembled external elevator shaft;

[0009] The corridor assembly comprises a plurality of floor unit structures of a prefabricated external elevator shaft, wherein the corridor assembly is arranged between two upper and lower adjacent groups of floor unit structures of the prefabricated external elevator shaft, and the corridor assembly comprises at least two corridor support beams, one end of the corridor support beam is detachably connected to the corresponding floor unit structure, and the other end of the corridor support beam is fixedly connected to the side wall of the building;

[0010] Each layer unit structure includes two front columns and two back columns. The front columns include a front column body and two side cover plates. The front column body has a cavity inside.

[0011] In the upper and lower adjacent layer unit structures of the assembled external elevator shaft, a plurality of first front column anti-shear through holes and a plurality of second front column anti-shear through holes are opened on the lower side wall of the front column body in the upper layer unit structure, and a front column anti-shear hole is opened on the lower cover plate to connect the front column body cavity with the outside;

[0012] The upper end surface of the front column in the lower layer unit structure is provided with a notch for placing the corridor support beam of the corridor assembly. The cover plate of the front column covers the upper end surface of the front column body and the cover plate forms the bottom wall of the notch. The lower side wall of the front column body is provided with a plurality of third front column shear through holes and a fourth front column shear through hole. The upper cover plate is provided with a front column shear hole connecting the front column body cavity with the outside.

[0013] When the upper and lower adjacent layer unit structures and corridor components are assembled, the cover plate at the lower end of the front column at the upper side contacts the cover plate at the upper end of the front column at the lower side and the upper end surface of the corridor support beam placed in the groove;

[0014] The upper and lower adjacent layer unit structures and corridor components are detachably connected through the front column shear components and the support beam components.

[0015] On the basis of the above technical solution, the present invention can also be improved as follows.

[0016] Furthermore, the front column shear assembly includes a front column shear plate, a plurality of first front column shear bolts, a plurality of first front column shear nuts, a plurality of third front column shear bolts and a plurality of third front column shear nuts, the upper portion of the front column shear plate is provided with a plurality of fifth front column shear through holes corresponding to the plurality of first front column shear through holes of the front column body, and the lower portion of the front column shear plate is provided with a plurality of seventh front column shear through holes corresponding to the plurality of third front column shear through holes of the front column body;

[0017] A plurality of first front column shear bolts, a plurality of first front column shear nuts, a plurality of first front column shear through holes, and a plurality of fifth front column shear through holes are in a one-to-one correspondence, a plurality of first front column shear nuts are fixedly connected to the end face of the front column shear plate on a side away from the first front column shear through holes, the first front column shear bolts sequentially penetrate the first front column shear through holes corresponding to the front column body and the fifth front column shear through holes corresponding to the front column shear plate and cooperate with the corresponding first front column shear nuts;

[0018] A plurality of third front column shear bolts, a plurality of third front column shear nuts, a plurality of third front column shear through holes, and a plurality of seventh front column shear through holes are in a one-to-one correspondence, a plurality of third front column shear nuts are fixedly connected to the end face of the front column shear plate on the side away from the fifth front column shear through hole, and the third front column shear bolts sequentially penetrate the fifth front column shear through hole corresponding to the front column body and the seventh front column shear through hole corresponding to the front column shear plate and cooperate with the corresponding third front column shear nuts;

[0019] Furthermore, the support beam assembly includes a support beam shear plate, a plurality of second front column shear bolts, a plurality of second front column shear nuts, a plurality of fourth front column shear bolts and a plurality of fourth front column shear nuts, the support beam shear plate is fixedly connected to the end of the corridor support beam of the corridor assembly, the upper and lower parts of the support beam shear plate can respectively extend into the front column shear holes of the upper and lower adjacent layer unit structures, the upper part of the support beam shear plate is provided with a plurality of sixth front column shear through holes corresponding to the plurality of second front column shear through holes of the front column body, and the lower part of the front column shear plate is provided with a plurality of eighth front column shear through holes corresponding to the plurality of fourth front column shear through holes of the front column body;

[0020] A plurality of second front column shear bolts, a plurality of second front column shear nuts, a plurality of second front column shear through holes and a plurality of sixth front column shear through holes are in a one-to-one correspondence, a plurality of second front column shear nuts are fixedly connected to the end face of the support beam shear plate on the side away from the second front column shear through holes, the second front column shear bolts sequentially penetrate the second front column shear through holes corresponding to the front column body and the sixth front column shear through holes corresponding to the support beam shear plate and cooperate with the corresponding second front column shear nuts;

[0021] A number of fourth front column shear bolts, a number of fourth front column shear nuts, a number of fourth front column shear through holes and a number of eighth front column shear through holes are in a one-to-one correspondence, and a number of fourth front column shear nuts are fixedly connected to the end face of the support beam shear plate away from the side of the eighth front column shear through hole, and the fourth front column shear bolts sequentially penetrate the eighth front column shear through hole corresponding to the front column body and the eighth front column shear through hole corresponding to the support beam shear plate and cooperate with the corresponding fourth front column shear nuts.

[0022] Furthermore, the corridor assembly also includes a walking platform frame, which is welded and fixed to the upper side of the two corridor support beams.

[0023] The corridor connection structure of this prefabricated external elevator shaft adopts double-layer cover plates and notches for coordinated positioning: the upper and lower front column cover plates are engaged with the notches to achieve precise positioning of the corridor support beams; and this structure adopts a three-way shear structure, with the vertical front column shear components and the horizontal support beam shear components forming a three-dimensional shear system to disperse the load; in addition, the nuts of the shear bolts are pre-welded to the shear plates to reduce on-site operations and improve installation efficiency.

[0024] The corridor connection structure of the assembled external elevator shaft has the following beneficial effects:

[0025] (1) High construction efficiency. This structure is prefabricated in the factory and assembled layer by layer on the construction site. The construction is simple, the cycle is short, and the assembly efficiency is high.

[0026] (2) Compared with traditional cast-in-place operations, the construction cost of this structure is low and the impact on the environment is reduced.

[0027] (3) This structure solves the problem of using expansion bolts to fasten the steel structure corridor to the building, and is safe and reliable.

[0028] (4) This structure is widely suitable for use in conjunction with outdoor elevator corridors. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional diagram of an embodiment of the corridor connection structure of the assembled external elevator shaft.

[0030] Figure 2 yes Figure 1 Magnified view of part A.

[0031] Figure 3 It is a three-dimensional diagram of part of the structure of an embodiment of the corridor connection structure of the assembled external elevator shaft.

[0032] Figure 4 This is one of the exploded views of two sets of alternating layer unit structures and two corridor support beams in the embodiment of the corridor connection structure of the prefabricated external elevator shaft.

[0033] Figure 5 This is the second exploded view of two sets of alternating layer unit structures and two corridor support beams in the embodiment of the corridor connection structure of the prefabricated external elevator shaft.

[0034] Figure 6 It is a three-dimensional diagram of the corridor support beam, front column shear plate and support beam shear plate in the embodiment of the corridor connection structure of the prefabricated external elevator shaft.

[0035] Description of the numbers in the figure:

[0036] Corridor assembly-2000; corridor support beam-2100; walking platform frame-2200; floor unit structure-1000; door frame-1210; back column-1230; cross frame-1240; wing plate-1241; longitudinal frame-1250; front column shear hole-1413; notch-1414; front column shear plate-1420; first front column shear bolt-1431; first front column shear nut-1432; third front column shear bolt-1441; support beam shear plate-2110; second front column shear bolt-2121; second front column shear nut-2122; fourth front column shear bolt-2131; fourth front column shear nut-2132. DETAILED DESCRIPTION

[0037] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0038] The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only implementations.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used in this specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0040] See also Figures 1 to 6 .

[0041] The corridor connection structure of the assembled external elevator shaft includes a corridor component and two sets of layer unit structures 1000 of the assembled external elevator shaft.

[0042] Two groups of layer unit structures 1000 prefabricated external elevator shafts are arranged in sequence up and down, and each layer unit structure 1000 includes a door frame 1210, two front columns 1220, two back columns 1230, several horizontal frames 1240 and several vertical frames 1250. The two front columns 1220 and the two back columns 1230 are arranged vertically, the two front columns 1220 are located close to one side of the building, and the two back columns 1230 are located away from the side of the building. The two front columns 1220 are detachably connected by several horizontal frames 1240, and the two back columns 1230 are also detachably connected by several horizontal frames 1240. The front columns 1220 and the back columns 1230 on the same side are connected by several vertical frames 1250.

[0043] The front pillar 1220 of the layer unit structure 1000 includes a front pillar body and two side cover plates, and the front pillar body has a cavity inside.

[0044] In the upper and lower adjacent layer unit structures 1000, a plurality of first front column anti-shear through holes and a plurality of second front column anti-shear through holes are opened on the lower side wall of the front column body in the upper layer unit structure 1000, and a front column anti-shear hole 1413 connecting the front column body cavity with the outside is opened on the lower side sealing plate.

[0045] A slot 1414 is provided on the upper end face of the front column 1220 in the lower layer unit structure 1000 for placing the corridor assembly 2000 and the corridor support beam 2100. The cover plate of the front column 1220 covers the upper end face of the front column body and the cover plate forms the bottom wall of the slot 1414. A plurality of third front column anti-shear through holes and fourth front column anti-shear through holes are provided on the lower side wall of the front column body. A front column anti-shear hole 1413 connecting the front column body cavity with the outside is provided on the upper cover plate.

[0046] When the two upper and lower adjacent front columns 1220 are assembled, the cover plate at the lower end of the front column in the upper position contacts the cover plate at the upper end of the front column in the lower position and the upper end surface of the corridor support beam 2100 placed in the groove 1414.

[0047] The upper and lower adjacent layer unit structures 1000 are detachably connected through the front column shear assembly and the support beam assembly.

[0048] The front column shear assembly includes a front column shear plate 1420, several first front column shear bolts 1431, several first front column shear nuts 1432, several third front column shear bolts 1441 and several third front column shear nuts. The upper part of the front column shear plate 1420 is provided with several fifth front column shear through holes corresponding to the several first front column shear through holes of the front column body, and the lower part of the front column shear plate 1420 is provided with several seventh front column shear through holes corresponding to the several third front column shear through holes of the front column body.

[0049] A number of first front column shear bolts 1431, a number of first front column shear nuts 1432, a number of first front column shear through holes and a number of fifth front column shear through holes are in a one-to-one correspondence, and a number of first front column shear nuts 1432 are welded and fixed on the end face of the front column shear plate 1420 away from the first front column shear through hole. The first front column shear bolts 1431 sequentially penetrate the first front column shear through hole corresponding to the front column body and the fifth front column shear through hole corresponding to the front column shear plate 1420 and cooperate with the corresponding first front column shear nut 1432.

[0050] A number of third front column shear bolts 1441, a number of third front column shear nuts, a number of third front column shear through holes and a number of seventh front column shear through holes are in a one-to-one correspondence, and a number of third front column shear nuts (the third front column shear nuts are not shown in the figure) are welded and fixed on the end face of the front column shear plate 1420 away from the side of the fifth front column shear through hole. The third front column shear bolts 1441 sequentially penetrate the fifth front column shear through hole corresponding to the front column body and the seventh front column shear through hole corresponding to the front column shear plate 1420 and cooperate with the corresponding third front column shear nuts.

[0051] The support beam assembly includes a support beam shear plate 2110, a number of second front column shear bolts 2121, a number of second front column shear nuts 2122, a number of fourth front column shear bolts 2131 and a number of fourth front column shear nuts 2132. The support beam shear plate 2110 is welded and fixed to the end of the corridor support beam 2100 of the corridor assembly 2000. The upper and lower parts of the support beam shear plate 2110 can respectively extend into the front column shear holes 1413 of the upper and lower adjacent layer unit structures 1000. The upper part of the support beam shear plate 2110 is provided with a number of sixth front column shear holes corresponding to the number of second front column shear holes of the front column body, and the lower part of the front column shear plate 1420 is provided with a number of eighth front column shear holes corresponding to the number of fourth front column shear holes of the front column body.

[0052] A number of second front column shear bolts 2121, a number of second front column shear nuts 2122, a number of second front column shear through holes and a number of sixth front column shear through holes are in a one-to-one correspondence. A number of second front column shear nuts 2122 are welded and fixed on the end face of the support beam shear plate 2110 away from the side of the second front column shear through hole. The second front column shear bolts 2121 pass through the wing plate 1241 of the cross frame 1240 in sequence (such as the first cross frame 12401140 and the second cross frame 12401240 are provided with wing plates 1241 on both sides, and corresponding through holes are also opened on the wing plates 1241 corresponding to the second front column shear through holes), the second front column shear through holes corresponding to the front column body and the sixth front column shear through holes corresponding to the support beam shear plate 2110 and cooperate with the corresponding second front column shear nuts 2122.

[0053] A number of fourth front column shear bolts 2131, a number of fourth front column shear nuts 2132, a number of fourth front column shear through holes and a number of eighth front column shear through holes are in a one-to-one correspondence, and a number of fourth front column shear nuts 2132 are welded and fixed on the end face of the support beam shear plate 2110 away from the side of the eighth front column shear through hole. The fourth front column shear bolts 2131 sequentially penetrate the eighth front column shear through hole corresponding to the front column body and the eighth front column shear through hole corresponding to the support beam shear plate 2110 and cooperate with the corresponding fourth front column shear nut 2132.

[0054] The above is only one embodiment of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the principles of the present invention, and these should also be regarded as falling within the scope of protection of the present invention.

Claims

1. A corridor connection structure for an assembled external elevator shaft, characterized by: The invention comprises a corridor assembly (2000) and several layer unit structures (1000) of an assembled external elevator shaft, wherein the corridor assembly (2000) is arranged between two upper and lower adjacent layers of the layer unit structures (1000) of the assembled external elevator shaft, and the corridor assembly (2000) comprises at least two corridor support beams (2100), wherein one end of the corridor support beam (2100) is detachably connected to the corresponding layer unit structure (1000), and the other end of the corridor support beam (2100) is fixedly connected to the side wall of the building; Each layer unit structure (1000) includes two front columns (1220) and two back columns (1230), wherein the front columns include a front column body and two side closing plates, and the front column body has a cavity inside; In the upper and lower adjacent layer unit structures (1000) of the assembled external elevator shaft, a plurality of first front column anti-shear through holes and a plurality of second front column anti-shear through holes are opened on the lower side wall of the front column body in the upper layer unit structure (1000), and a front column anti-shear hole (1413) connecting the front column body cavity with the outside is opened on the lower side sealing plate; The upper end surface of the front column (1220) in the lower layer unit structure (1000) is provided with a notch (1414) for placing the corridor assembly (2000) and the corridor support beam (2100); the cover plate of the front column (1220) covers the upper end surface of the front column body and the cover plate forms the bottom wall of the notch (1414); the lower side wall of the front column body is provided with a plurality of third front column anti-shear through holes and a fourth front column anti-shear through hole; the upper cover plate is provided with a front column anti-shear hole (1413) connecting the front column body cavity with the outside; When the upper and lower adjacent layer unit structures (1000) and the corridor assembly (2000) are assembled, the cover plate at the lower end of the front column (1220) at the upper side contacts the cover plate at the upper end of the front column (1220) at the lower side and the corridor support beam (2100) placed in the notch (1414); The upper and lower adjacent layer unit structures (1000) and the corridor assembly (2000) are detachably connected via the front column shear assembly and the support beam assembly.

2. The corridor connection structure of the assembled external elevator shaft according to claim 1 is characterized by: The front column shear assembly comprises a front column shear plate (1420), a plurality of first front column shear bolts (1431), a plurality of first front column shear nuts (1432), a plurality of third front column shear bolts (1441) and a plurality of third front column shear nuts; the upper portion of the front column shear plate (1420) is provided with a plurality of fifth front column shear through holes corresponding to the plurality of first front column shear through holes of the front column body; the lower portion of the front column shear plate (1420) is provided with a plurality of seventh front column shear through holes corresponding to the plurality of third front column shear through holes of the front column body; A plurality of first front column anti-shear bolts (1431), a plurality of first front column anti-shear nuts (1432), a plurality of first front column anti-shear through holes and a plurality of fifth front column anti-shear through holes are in a one-to-one correspondence relationship; a plurality of first front column anti-shear nuts (1432) are fixedly connected to the end face of the front column anti-shear plate (1420) on the side away from the first front column anti-shear through hole; the first front column anti-shear bolts (1431) sequentially penetrate the first front column anti-shear through hole corresponding to the front column body and the fifth front column anti-shear through hole corresponding to the front column anti-shear plate (1420) and cooperate with the corresponding first front column anti-shear nut (1432); A plurality of third front column shear bolts (1441), a plurality of third front column shear nuts, a plurality of third front column shear through holes and a plurality of seventh front column shear through holes are in a one-to-one correspondence, a plurality of third front column shear nuts are fixedly connected to the end face of the front column shear plate (1420) away from the fifth front column shear through hole, and the third front column shear bolts (1441) sequentially penetrate the fifth front column shear through hole corresponding to the front column body and the seventh front column shear through hole corresponding to the front column shear plate (1420) and cooperate with the corresponding third front column shear nuts.

3. The corridor connection structure of the assembled external elevator shaft according to claim 1 is characterized by: The support beam assembly comprises a support beam shear plate (2110), a plurality of second front column shear bolts (2121), a plurality of second front column shear nuts (2122), a plurality of fourth front column shear bolts (2131) and a plurality of fourth front column shear nuts (2132); the support beam shear plate (2110) is fixedly connected to the end of the corridor support beam (2100) of the corridor assembly (2000); the upper and lower parts of the support beam shear plate (2110) can respectively extend into the front column shear holes (1413) of the upper and lower adjacent two layer unit structures (1000); the upper part of the support beam shear plate (2110) is provided with a plurality of sixth front column shear through holes corresponding to the plurality of second front column shear through holes of the front column body; the lower part of the front column shear plate (1420) is provided with a plurality of eighth front column shear through holes corresponding to the plurality of fourth front column shear through holes of the front column body; A plurality of second front column shear bolts (2121), a plurality of second front column shear nuts (2122), a plurality of second front column shear through holes and a plurality of sixth front column shear through holes are in a one-to-one correspondence relationship; a plurality of second front column shear nuts (2122) are fixedly connected to the end face of the support beam shear plate (2110) away from the second front column shear through hole; the second front column shear bolts (2121) sequentially penetrate the second front column shear through hole corresponding to the front column body and the sixth front column shear through hole corresponding to the support beam shear plate (2110) and cooperate with the corresponding second front column shear nut (2122); A plurality of fourth front column shear bolts (2131), a plurality of fourth front column shear nuts (2132), a plurality of fourth front column shear through holes and a plurality of eighth front column shear through holes are in a one-to-one correspondence, a plurality of fourth front column shear nuts (2132) are fixedly connected to the end face of the support beam shear plate (2110) away from the eighth front column shear through hole, and the fourth front column shear bolts (2131) sequentially penetrate the eighth front column shear through hole corresponding to the front column body and the eighth front column shear through hole corresponding to the support beam shear plate (2110) and cooperate with the corresponding fourth front column shear nuts (2132).

4. The corridor connection structure of the assembled external elevator shaft according to claim 1 is characterized by: The corridor assembly (2000) further comprises a walking platform frame (2200), and the walking platform frame (2200) is welded and fixed on the upper side of the two corridor support beams (2100).

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