CN-121992865-A - Multilayer Z-shaped folding modularized integrated building and construction method thereof

CN121992865ACN 121992865 ACN121992865 ACN 121992865ACN-121992865-A

Abstract

The invention discloses a multilayer Z-shaped folding modularized integrated building and a construction method thereof, which belong to the technical field of modularized buildings and comprise a first upright post, a second upright post, an integrated floor, an integrated wall body, a sliding support, a hanging device and an elongated corner piece, wherein a pressing groove and an opening curled edge are formed in a short-direction side beam of the integrated floor, the sliding support is placed in the pressing groove, the hanging device is embedded into the inner side of the curled edge, the elongated corner piece is in a differential structure in a top end part and a middle floor area, the elongated corner pieces at two ends of the same short-direction side beam face opposite to each other, the first upright post rotates around the top of the column, the second upright post rotates around the bottom of the column, the first upright post and the second upright post synchronously rotate in the same direction to form a Z-shaped folding mode, the integrated wall body is synchronously folded along with the first upright post and the second upright post, the elongated corner piece is alternately connected with the first upright post and the second upright post to form a main body, and the elongated corner piece is designed through an end extension and an L-shaped opening baffle, so that the clearance requirements among all parts during folding are provided. The invention realizes the folded transportation of the multi-storey building and the integral rapid unfolding construction of the construction site.

Inventors

YU YUJIE
LIU SHANGWEN
WANG XIAOXIANG
GUO ZHONGDA
CHANG WENHAO

Assignees

中南大学
湖南建工集团有限公司

Dates

Publication Date: 20260508
Application Date: 20260407

Claims (10)

1. The multi-layer Z-shaped folding modularized integrated building is characterized by comprising a first upright post, a second upright post, an integrated floor, an integrated wall, a sliding support, a hanging device and an lengthening corner fitting; The angle piece is of a square tube structure, one end of the angle piece is higher than the integrated floor by a certain distance, a hinge is arranged at the edge of the end face facing the inner side of the house, and an L-shaped opening baffle is arranged at the other end of the angle piece; the short side beam of the integrated floor system adopts a section form that a pressing groove is formed in the upper top surface and a lower section is provided with an opening curled edge, the sliding support is placed in the pressing groove in the top surface of the short side beam and can horizontally slide or roll along the pressing groove, the hanging device is embedded from the opening at the lower part of the short side beam and is hung at the inner side of the curled edge of the short side beam and can horizontally slide or roll along the curled edge, and the lengthened corner pieces at the two ends of the same short side beam face oppositely and are respectively connected with the first upright post and the second upright post correspondingly; The first upright post rotates around the top of the post, the top surface connecting ring plate of the first upright post is hinged with the end surface hinge of the lengthened corner piece, the bottom end connecting ring plate of the first upright post is hinged with the sliding support; In the folding and unfolding process, the first upright post and the second upright post in the same building layer rotate towards the same direction and synchronously rotate to form a Z-shaped folding mode, a plurality of integrated building covers are alternately connected with the first upright post and the second upright post of each layer to form a multi-layer foldable building main body, and the integrated wall is fixedly connected with the first upright post or the second upright post of the same layer and synchronously rotates along with the first upright post or the second upright post and integrally folds.
2. The multi-layer Z-shaped folding modularized integrated building of claim 1, wherein the sections of the first upright post and the second upright post are L-shaped opening sections, the sections are the same in size, the pressure ribs are arranged on the dividing limb plates, and the protruding heights of the pressure ribs are not more than the ring width of the connecting ring plates at the end parts of the first upright post and the second upright post.
3. The multi-layer Z-folded modular integrated building of claim 1, wherein the integrated building cover is divided into an end integrated building cover and a middle integrated building cover according to the position of the integrated building cover in the building, the two integrated building covers are different in the structure of the configured lengthened corner pieces, the integrated building cover is in a rectangle shape as a whole and comprises a long side beam, a short side beam, the lengthened corner pieces and a building cover system, the long side beam and the short side beam are welded on the side walls of the corresponding lengthened corner pieces, the lengthened corner pieces connected with the two ends of the same long side beam face the same direction, and the lengthened corner pieces connected with the two ends of the same short side beam face opposite directions.
4. The multi-story, Z-folded modular integrated building of claim 2, wherein the elongated corner members are configured to be divided into an end first elongated corner member, an end second elongated corner member, a middle first elongated corner member, and a middle second elongated corner member.
5. The multi-layer Z-shaped folding modularized integrated building according to claim 4, wherein the first lengthened corner fitting of the end part is of a square tube structure, the top end face and the bottom end face are both provided with connecting ring plates, when the section width of the first upright post and the section width of the second upright post are B, the height of the square tube body of the end part integrated building cover is B+D1+ (10-50) mm, when the thickness of the end part integrated building cover is D1, the two end faces of the first lengthened corner fitting of the end part are respectively marked as an a1 end face and a B1 end face, wherein the a1 end face is flush with the surface of the end part integrated building cover, a stiffening ring plate is arranged in the square tube and at the position of the end face D1 from the a1 end face, the B1 end face extends out of the end part integrated building cover B+ (10-50) mm, and the edge of the B1 end face towards the inner side of a house is provided with a hinge; The second lengthened corner fitting at the end part is of a square pipe extending L-shaped opening baffle structure, the extending end is an L-shaped opening baffle, the height of the square pipe body is D1, the two end faces are respectively marked as an a2 end face and a B2 end face, and are respectively provided with a connecting ring plate, the a2 end face and the B2 end face are respectively flush with the upper surface and the lower surface of the end part integrated floor, the L-shaped opening baffle is connected at the B2 end face and is used as the extending end, and the height of the L-shaped opening baffle is B+ (10-50) mm; the total height of the first lengthened corner piece of the end part is consistent with that of the second lengthened corner piece of the end part, and the extending ends of the first lengthened corner piece and the second lengthened corner piece face the same direction.
6. The multi-layer Z-shaped folding modularized integrated building according to claim 4, wherein the first lengthened corner fitting in the middle and the second lengthened corner fitting in the middle are in a structure form that one end of a square pipe body is connected with an L-shaped opening baffle, wherein the height of the square pipe body is B+D1+ (10-50) mm, connecting ring plates are arranged on two end faces of the square pipe, and the height of the L-shaped opening baffle is B+ (10-50) mm; The top end of the square tube of the middle first lengthening angle piece is an a3 end, the bottom end of the square tube is a B3 end, the a3 end is flush with the top surface of the middle integrated floor, and is connected with an L-shaped opening baffle, a stiffening ring plate is arranged in the square tube and at a position which is D1 from the a3 end, the B3 end extends out of the bottom surface B+ (10-50) mm of the middle integrated floor, and a hinge is arranged at the edge of the B3 end surface facing the inner side of the house; The top end of the square tube of the middle second lengthening angle piece is an a4 end, the bottom end of the square tube is a B4 end, the B4 end is flush with the bottom surface of the middle integrated floor, the square tube is connected with an L-shaped opening baffle, a stiffening ring plate is arranged in the square tube and upwards D1 from the B4 end, the a4 end upwards extends out of the top surface B+ (10-50) of the middle integrated floor, and a hinge is arranged at the edge of the a4 end face, facing the inner side of a house.
7. The multi-layer Z-shaped folding modularized integrated building of claim 1, wherein the integrated wall body is made of light steel joist prefabricated wall boards or light concrete prefabricated wall boards, a door, a window and a reserved hole structure can be preassembled in the integrated wall body, two ends of the integrated wall body are correspondingly connected with a pair of first upright posts or a pair of second upright posts on the same layer, a strip-shaped retaining wall is arranged at the position of the integrated floor corresponding to the extension section of the square tube of the extension angle piece, and the height of the strip-shaped retaining wall is consistent with the extension height of the square tube of the corresponding extension angle piece.
8. The multi-layer Z-shaped folding modular integrated building of claim 1, wherein rollers are arranged at the bottoms of the sliding brackets, and the height of the sliding brackets is B+ (20-30) mm and is smaller than the clear height of the corresponding lengthened corner fitting extending out of the integrated floor.
9. The multi-layer Z-shaped folding modularized integrated building of claim 1, wherein the width of the hanging device is smaller than the inner clear width of the short side beam of the integrated floor, the lower end of the hanging device is hinged with the connecting ring plate at the top end of the second upright post, and the length of the hanging device exceeding the bottom surface of the short side beam is B+ (20-30) mm and smaller than the clear height of the corresponding lengthened corner fitting extending downwards out of the integrated floor.
10. A construction method of a multi-layer Z-shaped folding modular integrated building according to any one of claims 1 to 9, comprising an unfolding construction step and a dismantling construction step; The unfolding construction steps comprise: S1, all components of the multi-layer Z-shaped folding modularized integrated building are processed and manufactured in a factory and are preassembled into a complete folding state, in the complete folding state, integrated floors of adjacent layers are fixed through a temporary locking device, and after the integrated building is transported to a construction site in the integral folding state, the integrated building is hoisted to be in place on a foundation of a design position; S2, releasing a temporary locking device between the upper and lower integrated floors corresponding to the top layer, lifting the top integrated floors, enabling the first upright post and the second upright post of the top layer to rotate gradually, driving the top integrated wall to rotate synchronously and expand, and keeping the rest lower floors in a completely folded state; S3, when the first upright post and the second upright post on the top layer are in a completely vertical state, the top end and the bottom end of each first upright post and the bottom end of each second upright post are respectively connected with the connecting ring plate corresponding to the end part of the lengthened corner fitting through bolt fastening, and simultaneously, the L-shaped opening baffle extending outwards from the lengthened corner fitting is connected with the side wall corresponding to the first upright post or the second upright post through bolt fastening, so that the top layer structure fixing is completed; s4, releasing the temporary locking device between the two layers of corresponding upper and lower integrated floors, continuously lifting the top integrated floors, and lifting the unfolded top layer structure along with the whole body to enable the first upright post and the second upright post of the two layers to rotate gradually so as to drive the two layers of integrated walls to rotate synchronously and unfold; s5, lifting until the two layers of first upright posts and the second upright posts are in a completely vertical state, repeating the fastening operation of the step S3, and finishing the fixation of the two-layer structure; s6, releasing the temporary locking device between the upper and lower integrated floors corresponding to the bottom layer, continuously lifting the top integrated floor, enabling the first upright post and the second upright post of the bottom layer to rotate step by step, and driving the integrated wall of the bottom layer to rotate and expand synchronously; s7, lifting until the first upright post and the second upright post at the bottom layer are in a completely vertical state, repeating the fastening operation of the step S3, and completing the unfolding construction of the multi-layer Z-shaped folding modularized integrated building of the block; S8, integrally hoisting the multi-layer Z-shaped folding modularized integrated building of the next block, repeating the steps S2-S7, and completing the unfolding construction of the corresponding block; The dismantling construction steps comprise: S9, aiming at the multi-layer Z-shaped folding modularized integrated building of the block to be disassembled, firstly, removing and dismantling connecting bolts between a first upright post and a second upright post of a bottom layer and corresponding lengthening corner fittings, and fastening bolts between an L-shaped opening baffle plate and the side walls of the corresponding upright posts; S10, slightly lifting the top integrated floor system, enabling the first upright post and the second upright post of the bottom layer to be in a hanging state, installing corresponding sliding support and hanging devices, adjusting the first upright post and the second upright post to be in a slight inclined state, gradually lowering the top integrated floor system, enabling the first upright post, the second upright post and the integrated wall of the bottom layer to synchronously rotate and fold until the bottom layer structure is completely folded, and fixing the bottom layer corresponding to the upper and lower integrated floor systems through temporary locking devices; s11, removing and dismantling connecting bolts between the first upright post and the second upright post of the two layers and corresponding lengthening angle pieces, and fastening bolts between the L-shaped opening baffle plate and the side wall of the corresponding upright post, slightly lifting the top integrated floor, arranging corresponding sliding support and hanging devices on the first upright post and the second upright post of the two layers, adjusting the first upright post and the second upright post to a slight inclined state, gradually lowering the top integrated floor, synchronously rotating and folding the two layers to a complete folding state, and fixing the two layers of corresponding upper and lower integrated floors through temporary locking devices; S12, removing and dismantling connecting bolts between the first upright post and the second upright post of the top layer and corresponding lengthening angle pieces, and fastening bolts between the L-shaped opening baffle and the side wall of the corresponding upright post, slightly lifting the top integrated floor, enabling the first upright post and the second upright post of the top layer to be in a hanging state, installing corresponding sliding support and hanging devices, adjusting the first upright post and the second upright post to a slight inclined state, gradually lowering the top integrated floor, enabling the top structure to synchronously rotate and fold to a complete folding state, and fixing the top corresponding upper and lower integrated floor through a temporary locking device; S13, the multi-layer Z-shaped folding modularized integrated building of the block is in a complete folding state, is integrally hoisted and transported to a transport vehicle, and is repeatedly subjected to the steps S9-S12 to finish the dismantling and folding construction of the other blocks.

Description

Multilayer Z-shaped folding modularized integrated building and construction method thereof Technical Field The invention relates to the field of modularized buildings, in particular to a multi-layer folding modularized steel structure building and a construction method thereof. Background The modularized building has been widely used in the fields of temporary building, emergency disaster relief building, text curl false building, security housing and the like due to the core advantages of high industrialization prefabrication degree, short construction period, no wet operation on site, green environmental protection and the like. The foldable modularized building is used as an upgrade class of the modularized building, and through the foldable structural design, the building volume under the transportation state is greatly reduced, so that the problems of a large number of traditional modularized building transportation units, high logistics cost and low transportation efficiency in the industry are solved, and the foldable modularized building becomes a research and development hot spot in the current industry. The existing folding modularized building technology still has a plurality of technical defects, mainly comprises 1. The multi-layer integral folding capability is lost, the existing folding modularized building is mostly single-layer folding units, the multi-layer building needs to be hoisted, spliced and fixed layer by layer on site, and the integral factory prefabrication, integral folding transportation and integral synchronous unfolding of the multi-layer building cannot be realized. 2. The structure performance is insufficient, the application range is limited, the corner nodes of the existing folding structure are mostly designed in a simple hinging way, only the folding rotation requirement is met, the rigidity of the unfolded nodes is insufficient, the stability, the lateral force resistance and the earthquake resistance of the whole structure are poor, the use requirements of the southwest high earthquake intensity area, the middle east, the southeast Asia and other earthquake high-intensity areas in China cannot be met, and the application scene is limited. 3. The construction process is complex, the safety risk is high, the expansion construction of the existing folding structure needs to finish the processes of node fixing, wall mounting and the like by high-altitude operation, the safety risk is high, the construction process is complex, the folding expansion is long in time consumption, and the core requirement of quick building and instant holding in an emergency disaster relief scene can not be met. In addition, the structure adopts welded fastening in the current modularization building more, and the dismantlement degree of difficulty is big, and inefficiency when whole transportation has enough to meet the need the reusability poor. Aiming at a plurality of defects in the prior art, the invention provides a multi-layer Z-shaped folding modularized integrated building and a construction method thereof, which are innovated from three core dimensions of a folding mode, a node structure and a construction method, so that pain points in the prior art are thoroughly solved, and technical upgrading and large-scale application of the folding modularized building are promoted. Disclosure of Invention The invention aims to solve the technical problems of low construction efficiency and high comprehensive cost caused by single-layer transportation and hoisting of the current modularized building. The technical scheme adopted for solving the technical problems is that the multi-layer Z-shaped folding modularized integrated building comprises a first upright post, a second upright post, an integrated floor system, an integrated wall body, a sliding support, a hanging device and a lengthening corner fitting; The angle piece is of a square tube structure, one end of the angle piece is higher than the integrated floor by a certain distance, a hinge is arranged at the edge of the end face facing the inner side of the house, and an L-shaped opening baffle is arranged at the other end of the angle piece; the short side beam of the integrated floor system adopts a section form that a pressing groove is formed in the upper top surface and a lower section is provided with an opening curled edge, the sliding support is placed in the pressing groove in the top surface of the short side beam and can horizontally slide or roll along the pressing groove, the hanging device is embedded from the opening at the lower part of the short side beam and is hung at the inner side of the curled edge of the short side beam and can horizontally slide or roll along the curled edge, and the lengthened corner pieces at the two ends of the same short side beam face oppositely and are respectively connected with the first upright post and the second upright post correspondingly; The first upright post rotates around the t