Lightweight building dismantling machine for frame structure building and dismantling method

Abstract

The invention provides a lightweight building dismantling machine for a frame structure building and a dismantling method. The lightweight building dismantling machine is used for dismantling the frame structure building. The lightweight building dismantling machine comprises a plurality of lifting systems, a frame system and a panel system. The lifting system comprises a column top piece, a lifting frame, a force holding frame and a fixing piece and can be connected with a frame column of a to-be-dismantled frame structure building. The frame system is connected to the lifting system, and the panel system covers the frame system; the frame system and the panel system are correspondingly provided with a tower crane opening and a material conveying opening. According to the invention, building materials and mounting and dismounting time required for erecting a supporting structure are saved, and the use is more flexible; the lifting system can be switched among four use states, is stable in connection, reasonable in force transmission path, easy to control and simple and convenient to operate, and realizes efficient and continuous operation; the overall stability is high, the safety is high, the external environment is prevented from being polluted, energy is saved, the construction period is shortened, and the construction cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of building demolition, and in particular relates to a lightweight building demolition machine and a demolition method for frame structure buildings. Background Art

[0002] With the continuous advancement of urbanization, some old buildings no longer meet the requirements of current urban functions and need to be demolished for redevelopment and construction. Traditional demolition methods include manual demolition, mechanical demolition and blasting demolition. These traditional methods have different degrees of noise and dust pollution, large construction site area and other problems, and cannot meet the needs of building demolition in densely built areas of cities.

[0003] The Chinese patent with publication number CN217871986U discloses a high-rise building demolition machine, including a lifting climbing frame, a guide rail, a support anti-fall device and a waste conveying device; the lifting climbing frame and the guide rail are arranged inside the building for the up and down movement of the demolition machine platform, and a crane beam is arranged on the demolition machine for the operation of the crane. The Chinese patent with publication number CN211081117U discloses an aerial demolition machine, including multiple towers, lifting platforms, ceilings, lighting systems, spray equipment, crushing equipment, pulverizing equipment, cleaning equipment and garbage disposal systems. The towers and lifting platforms are arranged around the building, and the towers support the lifting platforms for lifting operations; the above two patents have the following limitations:

[0004] (1) A tower body, guide rails, support frames, etc. are set inside, outside or on the side wall of the building for the demolition machine platform to attach and move up and down. The system is huge and the structure is complex, especially the support system, which makes the erection process cumbersome and consumes a lot of materials, labor and construction time.

[0005] (2) It can only be applied to buildings with rectangular floor plans, and is not applicable to buildings with irregular floor plans. Summary of the invention

[0006] In order to solve the above technical problems, the present invention provides a lightweight building demolition machine and demolition method for frame structure buildings, which can be flexibly applied to various forms of frame structure buildings, has strong stability and high safety, can significantly save energy and construction period, and reduce construction costs.

[0007] The technical solution adopted by the present invention is: a lightweight demolition machine for frame structure buildings, including several lifting systems, frame systems and panel systems; wherein,

[0008] The lifting system can be connected to the frame columns of the frame structure building to be demolished;

[0009] The frame system is connected to the lifting system and moves up and down under the action of the lifting system;

[0010] The panel system covers the frame system to close the frame system and form a working platform;

[0011] The frame system and the panel system are correspondingly provided with a tower crane opening for installing a tower crane and a material transport opening for transporting materials.

[0012] Furthermore, the lifting system includes a column top member, a lifting frame, a force holding frame and a fixing member; the column top member has an inner cavity adapted to the top end of the frame column, and is connected to a protrusion provided on the side wall of the frame column through the fixing member; the lifting frame is provided with a lifting drive, and is suspended under the column top member through a cable of the lifting drive; the lifting frame is hinged to the upper end of the force holding frame, the force holding frame is connected to the frame system, and is arranged around the outside of the frame column; the force holding frame can be placed on the upper part of the protrusion.

[0013] Furthermore, the column top member includes a column cap and a top beam; the column cap is used to be mounted on the top of the frame column; the top beam is arranged on the upper part of the column cap and extends to both sides to form a cantilever structure, and its two ends are respectively connected to the cable.

[0014] Furthermore, the force-holding frame is provided with movable beams that can approach or move away from each other, and when the movable beams approach each other, they can overlap with the protrusions.

[0015] Furthermore, the force-bearing frame also includes a cross frame arranged around the frame column, and the frame system is connected to the end portion of the cross frame.

[0016] Furthermore, slide rails are provided at opposite ends of the cross frame, and the movable beam is slidably matched with the slide rails; and ear plates are provided at the other two ends of the cross frame for being hinged with the lifting frame.

[0017] Furthermore, the slide rail is arranged on the upper part of the cross frame, and the two ends of the movable beam are provided with hanging frames, and the hanging frames are engaged with the slide rail.

[0018] Furthermore, a protective structure is provided on the outer sides of the tower crane opening and the material transport opening.

[0019] Furthermore, the frame system includes a number of criss-crossed prefabricated steel beams, the panel system includes a number of prefabricated panels, and the prefabricated panels are detachably connected to the prefabricated steel beams; the frame system is also equipped with a lighting system, a fire sprinkler system, a dust monitoring system, a noise monitoring system and a lifting system.

[0020] A method for dismantling a frame structure building, using the above-mentioned lightweight building dismantling machine for frame structure buildings, comprises the following steps:

[0021] Designing the lightweight building demolition machine;

[0022] Set up tower crane shaft and material transportation shaft, and install tower crane;

[0023] Dismantle the roof structure of the frame structure building, other structures on the top floor except the frame columns for installing the lightweight building demolition machine, and the frame beams of the installation layer, and retain some remaining sections of the frame beams of the installation layer;

[0024] Install the lightweight building demolition machine on the installation layer;

[0025] Dismantle other structures of the installation layer and part of the structure of the next floor;

[0026] Lowering the frame system and panel system of the lightweight building demolition machine to the next floor;

[0027] Dismantle the column top parts and fixing parts of the lifting system of the lightweight building demolition machine;

[0028] Dismantle the remaining frame columns on the top layer and the remaining frame beams on the installation layer;

[0029] Install the column top member and the fixing member on the top of the frame column of the installation layer;

[0030] Complete the demolition of other floors from top to bottom until the demolition of the second floor is completed;

[0031] Remove lightweight building demolition machine;

[0032] The first floor is demolished, all demolition work of the frame structure building is completed, and the tower crane is demolished.

[0033] The advantages and positive effects of the present invention are as follows: the present application installs the lifting system on the frame columns of the frame structure building, so that the lifting system can transfer the load of the frame system and the panel system to the frame columns. Compared with setting up the supporting structure and the lifting platform outside the building, it can not only reduce the occupation of the construction site, but also save the building materials and installation time required for setting up the supporting structure. At the same time, it is not limited by the shape of the building and can be applied to frame structure buildings with any form of building plan, especially in situations where the buildings are densely packed and the site is narrow, and it is more flexible to use.

[0034] The lifting system in the present application can transform into four usage states according to usage requirements by setting column top parts, fixing parts, lifting frames and force-holding frames. The connection is stable, the force transmission path is reasonable, it is easy to control, and the operation is simple. It can be reasonably interspersed with the demolition operation to achieve efficient and continuous operation.

[0035] By setting up a frame system and a panel system, a working platform and a material platform are provided for the demolition operation, with strong overall stability and high safety; the panel system can close the working floor to avoid pollution of the external environment, thus realizing green construction.

[0036] By coordinating the lifting system with the frame system, panel system and tower crane, the frame structure building can be safely and efficiently dismantled from top to bottom, saving energy and construction time and reducing construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of a frame structure building structure of a specific embodiment of the present invention;

[0038] Figure 2 It is a schematic diagram of the use of a lightweight building demolition machine according to a specific embodiment of the present invention;

[0039] Figure 3 is an exploded view of a lightweight building demolition machine according to a specific embodiment of the present invention;

[0040] Figure 4 It is a structural schematic diagram of a lifting system of a specific embodiment of the present invention;

[0041] Figure 5 is a schematic diagram of the connection of a fixing member according to a specific embodiment of the present invention;

[0042] Figure 6 It is a schematic diagram of the structure of a column top member according to a specific embodiment of the present invention;

[0043] Figure 7 It is a schematic structural diagram of a force holding frame according to a specific embodiment of the present invention;

[0044] Figure 8 It is a schematic diagram of the lifting frame structure of a specific embodiment of the present invention;

[0045] Fig. 9 is a structural schematic diagram of a lifting system of another specific embodiment of the present invention;

[0046] Fig.10 It is a structural schematic diagram of a lifting system and a side hanging frame of a specific embodiment of the present invention;

[0047] Fig.11 It is a schematic diagram of a lightweight demolition machine according to a specific embodiment of the present invention used for demolition of a building with a special-shaped frame structure;

[0048] Fig.12 It is a schematic diagram of the demolition process of a frame structure building according to a specific embodiment of the present invention.

[0049] In the figure:

[0050] 1. Lightweight demolition machine 11. Lifting system 111. Column top parts

[0051] 1111, column cap 1112, top column 1113, top beam

[0052] 11131, fixed pulley 112, fixing member 1121, reaction beam

[0053] 1122, tension piece 113, force support frame 1131, well frame

[0054] 1132, moving beam 1133, hanging frame 1134, ear plate

[0055] 1135, slide rail 1136, cable hole 114, lifting frame

[0056] 1141, crossbeam 1142, lifting drive 1143, force transmission rod

[0057] 115, Cable 12, Frame System 13, Panel System

[0058] 14. Enclosure structure 15. Side bracket 16. Lifting system

[0059] 2. Frame structure building 21, frame column 211, frame beam remaining section

[0060] 22. Material transport shaft 23. Tower crane shaft 3. Tower crane

[0061] 4. Scaffolding DETAILED DESCRIPTION

[0062] The embodiments of the present invention are described below with reference to the accompanying drawings.

[0063] The present invention proposes a lightweight demolition machine for frame structure buildings, wherein the main structure of the frame structure building 2 is as follows: Figure 1As shown, it mainly includes frame beams, frame columns 21 and floor slabs, wherein the frame beams and frame columns 21 form a frame structure to support the load of the roof (not shown) and the floor slab, and the wall panels are only used as components for enclosure and partitioning space and do not bear loads. Therefore, the frame beams and frame columns 21 of the frame structure have the characteristics of flexible arrangement and are widely used in multi-story and high-rise schools, hospitals and office buildings. The lightweight demolition machine 1 proposed in this application uses the frame columns 21 of the frame structure building 2 as the erection foundation. Compared with erecting the support structure and lifting platform outside the building, it can not only reduce the occupation of the construction site, but also save the building materials and installation time required for erecting the support structure. At the same time, it is not limited by the shape of the building, and can be applied to frame structure buildings 2 of any form of building plane, especially in the case of densely built buildings and narrow sites, so as to realize the safe and efficient demolition of the frame structure building 2 from top to bottom, save energy and construction period, and reduce construction costs.

[0064] like Figure 2 , Figure 3 As shown, the lightweight demolition machine 1 proposed in the present application is arranged on the upper part of the frame structure building 2 to be demolished, and cooperates with the tower crane 3 to complete the demolition operation of the building; the lightweight demolition machine 1 includes a plurality of lifting systems 11, a frame system 12 and a panel system 13; the frame system 12 and the panel system 13 of the lightweight demolition machine 1 are constructed into a shape and size that are compatible with the building plane of the building to be demolished; the tower crane 3 is installed inside the frame structure building 2, and its tower body passes through the frame system 12 and the panel system 13 of the lightweight demolition machine 1, and its lifting operation range can cover all the panel systems 13; specifically, the lifting system 11 can be connected to the frame column 21 of the frame structure building 2 to be demolished; the frame system 12 is connected to the lifting system 11, and is lifted and moved under the action of the lifting system 11; the panel system 13 covers the frame system 12, which is used to close the frame system 12 and form a working platform; the frame system 12 and the panel system 13 are correspondingly provided with a tower crane 3 opening for installing the tower crane 3 and a material transportation opening for transporting materials.

[0065] It is understandable that if Figure 1 , Figure 2 As shown, the tower crane 3 opening and the material transportation opening arranged on the frame system 12 and the panel system 13 are respectively connected to the tower crane shaft 23 and the material transportation shaft 22 inside the building. The tower crane shaft 23 is used to install the tower crane 3, and the material transportation shaft 22 is used to transfer materials and dismantled construction waste from the inside of the building to the panel system 13. The panel system 13 in the present application has a certain carrying capacity, and can provide working space and placement sites for construction personnel, materials and construction waste during demolition operations, so that the tower crane 3 can further transport materials and construction waste.

[0066] The lifting system 11 in the present application is installed on the frame column 21, and the overall load of the frame system 12 and the panel system 13 and the materials placed on the top of the panel system 13 are transferred to the frame column 21. Therefore, the number of lifting systems 11 is set according to the use requirements; because the frame column 21 is usually arranged in the middle and edge of the main structure of the building, the lifting system 11 is preferably connected to the frame column 21 arranged in the middle of the main structure of the building, and is evenly arranged relative to the frame system 12 and the panel system 13. Several lifting systems 11 are operated synchronously to make the various parts of the frame system 12 and the panel system 13 balanced in force, so that they can be lifted and lowered smoothly, thereby realizing the top-down demolition of the frame structure building 2.

[0067] In a specific embodiment, Figure 4 As shown, the lifting system 11 includes a column top piece 111, a lifting frame 114, a force frame 113 and a fixing piece 112 arranged from top to bottom; wherein the column top piece 111 has an inner cavity adapted to the top of the frame column 21, so that it can be sleeved on the top of the frame column 21, and the frame column 21 can be embedded in the inner cavity through the opening at the bottom of the inner cavity, and the column top piece 111 will not rotate or deviate relative to the frame column 21; the column top piece 111 is fixed by The fixing member 112 is connected to the protrusion provided on the side wall of the frame column 21. Specifically, the fixing member 112 includes a reaction beam 1121 and a tension member 1122. The upper end of the tension member 1122 is connected to the column top member 111, and the lower end of the tension member 1122 is connected to the reaction beam 1121. The reaction beam 1121 is provided below the frame column 21. By adjusting the length of the tension member 1122, the reaction beam 1121 can be clamped with the protrusion to tighten the column top member 111. 1, so that the column top piece 111 is firmly sleeved on the frame column 21. Preferably, the fixing piece 112 is set in multiple numbers and is evenly arranged relative to the column top piece 111 in the circumferential direction, so that the column top piece 111 is more stably fixed to the top of the frame column 21; the lifting frame 114 is provided with a lifting drive, and is suspended below the column top piece 111 through the cable 115 of the lifting drive, and is hinged to the upper end of the force holding frame 113. Preferably, the lifting drive 1142 adopts a hydraulic steel strand lifting device, which has the functions of lifting, lowering and locking. The matching steel strand is the cable 115, one end of the cable 115 is connected to the column top piece 111, and the length of the cable 115 can be adjusted by the lifting drive 1142 to realize the lifting and lowering of the force holding frame 113 relative to the column top piece 111; the force holding frame 113 is connected to the frame system 12, and is surrounded by the outside of the frame column 21, and can be placed above the protrusion.

[0068] By providing the column top piece 111 and the fixing piece 112, the column top piece 111 can be conveniently fixed to the frame column 21. The connection is reliable and stable, and the load can be effectively transferred. At the same time, the pulling and fixing method is more convenient for installation and disassembly, reduces the difficulty of operation, and improves the construction efficiency.

[0069] In the present application, the protrusions arranged on the side walls of the frame columns 21 preferably adopt the original structure of the frame structure building 2 to simplify the construction process and at the same time improve the stability of the connection between the protrusions and the frame columns 21; in a specific embodiment, the protrusions are the end portions of the frame beams connected to the frame columns 21. Before being connected to the lifting system 11, most of the frame beams have been removed, leaving only the remaining section 211 of the frame beams as the basis for pulling the fixings 112 and the column top members 111 together.

[0070] In a specific embodiment, Figure 5 As shown, the cross-sectional shape of the frame column 21 for installing the lifting system 11 is rectangular, and the four sides thereof are respectively connected to the frame beam remnant sections 211 . The lifting system 11 is equipped with four corresponding fixing parts 112 , so that the column top part 111 is firmly fixed to the top of the frame column 21 .

[0071] Furthermore, if Figure 6 As shown, the column top member 111 includes a column cap 1111 and a top beam 1113; the column cap 1111 is used to be mounted on the top of the frame column 21, and its inner cavity size is slightly larger than the cross-sectional size of the frame column 21 to facilitate the connection between the two; the top beam 1113 is arranged on the upper part of the column cap 1111 and extends to both sides to form a cantilever structure, and its two ends are respectively connected to the cable 115 of the lifting drive 1142.

[0072] In a specific embodiment, a top column 1112 and a mounting seat are provided between the top beam 1113 and the column cap 1111. The top column 1112 is provided on the upper end surface of the column cap 1111. The top columns 1112 are connected to each other through a number of reinforcements. A mounting seat is provided at the upper end of the top column 1112. The top beam 1113 is detachably connected to the mounting seat. When in use, the load is sequentially transmitted to the frame column 21 through the cable 115, the top beam 1113, the top column 1112 and the column cap 1111. The force transmission path is more reasonable. At the same time, the length of the top column 1112 increases the lifting stroke of the demolition machine. The column top member 111 has good integrity and rigidity, is not easily damaged, and is convenient for replacing the top beam 1113 as needed.

[0073] Furthermore, if Figure 7 As shown, the force-holding frame 113 is provided with a movable beam 1132 which can be relatively close to or far away from each other, and when the movable beam 1132 is close to each other, it can overlap with the protrusion.

[0074] In the present application, the lifting system 11 has four use states, namely, an initial state, a lifting state, a descending state and a separation state. In the initial state, the column top piece 111 is arranged at the upper end of the frame column 21, and the moving beams 1132 on the force frame 113 are close to each other and placed on the protrusions of the frame column 21. The loads of the frame system 12 and the panel system 13 are transmitted to the protrusions and the column top piece 111 through the force frame 113, and finally transmitted to the frame column 21; when the lifting system 11 is in the lifting state, the force frame 113 moves upward and away from the protrusions, and the loads of the frame system 12 and the panel system 13 are transmitted to the column top piece 111 through the force frame 113, and finally transmitted to the frame column 21; when the lifting system 11 is in the descending state, the force frame 113 moves upward and away from the protrusions, and the loads of the frame system 12 and the panel system 13 are transmitted to the column top piece 111 through the force frame 113, and finally transmitted to the frame column 21; In the lowering state, the moving beams 1132 move away from each other and pass over the protrusions, so that the force-holding frame 113 can be lowered to the next floor, and then the moving beams 1132 approach each other and are placed on the protrusions of the frame columns 21 of the next floor, thereby realizing the lowering of the frame system 12 and the panel system 13; when the lifting system 11 is in the separated state, the column top piece 111 is removed from the top of the frame column 21, and the loads of the frame system 12 and the panel system 13 are transmitted to the protrusions of the frame columns 21 of the next floor through the force-holding frame 113; the force transmission paths under the four use states are scientific and reasonable, the conversion between different use states is easy to control and easy to operate, the change of use state is coordinated with the dismantling operation, and is reasonably interspersed, thereby realizing efficient and continuous operation.

[0075] The lifting frame 114 in the present application is used to drive the force holding frame 113 to move stably. The bottom end of the lifting frame 114 is hinged to the force holding frame 113, so that the angle of the lifting frame 114 can be automatically adjusted according to the shape of the cable 115, so that the cable 115 and the lifting driver 1142 on the lifting frame 114 are kept coincident with each other, and the force is more reasonable, which is conducive to the stable operation of the lifting driver 1142. In a specific embodiment, Figure 8 As shown, the lifting frame 114 includes a cross beam 1141, a force transmission rod 1143 and a lifting driver 1142. The force transmission rod 1143 is connected to both ends of the cross beam 1141. The bottom of the force transmission rod 1143 is hinged to the force holding frame 113. The space enclosed by the force transmission rod 1143, the cross beam 1141 and the force holding frame 113 can accommodate the lifting driver 1142. The axis of the lifting driver 1142 is arranged parallel to the force transmission rod 1143. The top end is connected to one end of the cross beam 1141 close to the force holding frame 113. The cable 115 of the lifting driver 1142 extends from both ends thereof. One end of the cable 115 extending from one end passes through the cross beam 1141 and is connected to the cantilever end of the top beam 1113. The cable extending from the other end passes through the force holding frame 113 to avoid hindering the movement of the force holding frame 113. In another embodiment of the present application, Fig. 9As shown, pulleys are respectively provided on the upper end surfaces of the cantilever ends of the top beam 1113, and only one of the two lifting frames 114 is provided with a lifting driver 1142. The cable 115 of the lifting driver 1142 passes through the crossbeam 1141 of the lifting frame 114 where it is located and is connected to the pulley at one end of the top beam 1113, and bypasses the pulley at the other end of the top beam 1113 to be connected to the crossbeam 1141 of the other lifting frame 114. Compared with setting up two lifting drivers 1142 and controlling the two lifting drivers 1142 to run synchronously, the operating difficulty is reduced, ensuring the smooth lifting of the force frame 113, while reducing the number of lifting drivers 1142 and making it lighter.

[0076] The force frame 113 in the present application is used to connect the frame system 12 and the panel system 13. At the same time, it is arranged outside the frame column 21 and can drive the two to rise and fall along the frame column 21. In a preferred embodiment, as shown in FIG. Figure 7 As shown, the force-bearing frame 113 also includes a cross-shaped frame 1131, which is composed of four side beams cross-connected to each other, and the whole is a cross-shaped structure. A through hole is formed in the middle of the four side beams, and the through hole is larger than the cross-sectional shape of the frame column 21, so that the cross-shaped frame 1131 can be surrounded by the frame column 21, and the frame system 12 is connected to the end portion of the cross-shaped frame 1131. Specifically, the frame system 12 is designed to cooperate with the cross-shaped frame 1131, and can be detachably connected to the ends of the four side beams constituting the cross-shaped frame 1131.

[0077] Furthermore, slide rails 1135 are provided at opposite ends of the cross frame 1131, and the movable beam 1132 is slidably matched with the slide rails 1135; ear plates 1134 and cable holes 1136 are provided at the other two ends of the cross frame 1131 for hinged connection with the lifting frame 114 and for facilitating the passage of the cable 115. Specifically, the two opposite side beams constituting the cross-shaped frame 1131 are provided with the above-mentioned slide rails 1135, and the movable beam 1132 is connected to the slide rails 1135 and can move along the slide rails 1135 to achieve mutual approach and distance, thereby meeting the conversion requirements between different usage states of the lifting system 11; the upper end surfaces of the other two side beams constituting the cross-shaped frame 1131 are provided with ear plates 1134, so that the lifting frame 114 can be hinged to the cross-shaped frame 1131 and rotate around the ear plates 1134, and the side beams provided with the ear plates 1134 are the side beams corresponding to the cantilever ends of the top beam 1113, so that the lifting frame 114 is respectively arranged opposite to the cantilever ends and is connected to the top beam 1113 through the cables 115.

[0078] The movable beam 1132 in the present application can move along the slide rail 1135, and the movable beam 1132 is fixed to the lower part of the cross frame 1131. When the movable beam 1132 is placed on the upper part of the protrusion, it can provide good support for the cross frame 1131 to achieve load transfer; preferably, the slide rail 1135 is arranged on the upper part of the cross frame 1131, that is, the upper end surfaces of the two opposite side beams of the cross frame 1131, and suspension frames 1133 are provided at both ends of the movable beam 1132, and the suspension frames 1133 are engaged with the slide rail 1135. Specifically, both ends of the movable beam 1132 extend to the relatively outer sides of the two side beams provided with the sliding rails 1135, and the upper end surface of the movable beam 1132 is fitted to the two side beams. One end of the suspension frame 1133 is connected to the upper end surface of the movable beam 1132 and is arranged at a position corresponding to the outer side surface of the side beam. The suspension frame 1133 is fitted to the outer side surface and extends to the sliding rails 1135 on the upper end surface of the side beam, and is engaged with the sliding rails 1135 to achieve a stable connection between the movable beam 1132 and the cross frame 1131.

[0079] like Figure 4 As shown, the fixing member 112 in the present application includes a reaction beam 1121 and a tension member 1122. The upper end of the tension member 1122 is connected to the column top member 111, and passes through the through hole in the middle of the cross frame 1131 to connect with the reaction beam 1121 to avoid mutual interference between the fixing member 112 and the force holding frame 113, while facilitating the installation and disassembly of the two.

[0080] like Figure 3 As shown, the frame system 12 in the present application includes a number of crisscross steel beams. Preferably, the steel beams are prefabricated steel beams for easy assembly and disassembly; the panel system 13 includes a number of prefabricated panels, which are detachably connected to the prefabricated steel beams, and the number of prefabricated panels are connected to each other to form a whole, the size of which can cover the entire frame system 12 to close the working space and prevent dust from escaping to the outside of the building; the frame system 12 is also equipped with a lighting system, a fire sprinkler system, a dust monitoring system, a noise monitoring system and a lifting system 16; the lighting system includes a plurality of lighting lamps to provide lighting for the demolition operation; the fire sprinkler system includes a fire pipe and a plurality of downward nozzles to ensure safe construction, and at the same time perform spraying operations when there is a lot of dust; the dust monitoring system and the noise monitoring system can monitor the dust particle concentration and noise level in the demolition operation in real time to avoid pollution to the surrounding environment; Fig.10 As shown, the lifting system 16 includes matching rails and lifting equipment to facilitate the transfer of materials and construction waste on the same floor.

[0081] Furthermore, if Figure 3 As shown, a protective structure 14 is provided outside the tower crane 3 opening and the material transport opening of the panel system 13 to ensure construction safety.

[0082] In another preferred embodiment, Fig.10 As shown, side hangers 15 are also provided around the frame system 12. The downwardly extending height of the side hangers 15 is adapted to the floor height of the frame structure building 2, so as to facilitate the demolition of the building exterior wall through the side hangers 15. A scaffolding 4 is also set up on the next floor of the demolition operation floor. The scaffolding 4 is set up between the two floor slabs, thereby enhancing the integrity of the two floor slabs and providing good support for the floor slab of the demolition operation floor, thereby ensuring that the bearing capacity of the floor meets the requirements of the demolition operation.

[0083] Fig.11 The light-weight demolition machine 1 proposed in the present application is shown to be used in a frame structure building 2 with an irregular building plan. The frame system 12 and the panel system 13 are adaptively designed to be assembled into a unique geometric shape to meet the requirements for demolishing frame structure buildings 2 of different shapes.

[0084] The present application also proposes a method for dismantling a frame structure building. The method adopts the lightweight building dismantling machine for frame structure buildings proposed in the first aspect of the present application to achieve efficient dismantling of the frame structure building. Fig.12 As shown, the method specifically comprises the following steps:

[0085] S1. Design a lightweight building demolition machine 1;

[0086] According to the structure and geometric dimensions of the building to be demolished, the specifications, quantity and installation location of the lightweight building demolition machine 1 are determined, and the bearing capacity of the lightweight building demolition machine 1 is ensured to meet the use requirements, including:

[0087] S11. Determine the specifications, quantity and installation position of the lightweight demolition machine 1 according to the structure and geometric dimensions of the frame structure building to be demolished, ensure that the bearing capacity of the frame column 21 can withstand the load of the lightweight demolition machine 1 and the materials and construction waste placed on it, and at the same time, the installation position of the lightweight demolition machine 1 is set as evenly as possible relative to the building plane to ensure its smooth operation.

[0088] S12. Design the frame system 12 and panel system 13 of the lightweight building demolition machine 1, determine the specifications of the prefabricated steel beams that constitute the frame system 12 and the specifications of the prefabricated panels that constitute the panel system 13, and verify the strength, stability and deformation characteristics of the prefabricated steel beams and prefabricated panels respectively to ensure that they meet the relevant requirements.

[0089] S2, set up the tower crane shaft 23 and the material transportation shaft 22, and install the tower crane 3;

[0090] The specific steps include:

[0091] S21. According to the structural form and construction requirements of the frame structure building, a tower crane shaft 23 and a material transportation shaft 22 are opened at appropriate locations inside the frame structure building. The size of the tower crane shaft 23 can meet the size requirements of the shaft for the construction of the tower crane 3, and the size of the material transportation shaft 22 can meet the transportation requirements of materials and equipment required for demolition.

[0092] S22, completing the erection of the tower crane 3 in the tower crane shaft 23.

[0093] S3, dismantle the roof structure of the frame structure building, other structures on the top floor except the frame columns 21 for installing the lightweight building demolition machine 1, and the frame beams of the installation layer, and retain some remaining sections 211 of the frame beams of the installation layer;

[0094] Because the frame structure building to be demolished has a roof structure, the lightweight demolition machine 1 cannot be installed on the frame column 21. In order to meet the installation requirements of the lightweight demolition machine 1, it is necessary to first demolish part of the upper structure of the building to be demolished. During the demolition process, the installed tower crane 3 is used to transport materials and equipment. Specifically, it includes:

[0095] S31, dismantling the roof structure of the frame structure building 2;

[0096] S32, dismantling other structures on the top floor except the frame column 21 for installing the lightweight building demolition machine 1;

[0097] Since the installation position of the lightweight demolition machine 1 has been determined in step S11, the top reserved frame column 21 for installing the lightweight demolition machine 1 is retained, and the frame beams on the top floor, other frame columns 21 on the top floor, and the floor slab on the top floor are removed in sequence;

[0098] S33, removing part of the frame beams of the installation layer, and retaining part of the remaining frame beam sections 211;

[0099] The next layer of the top layer is defined as the installation layer. At this time, the top layer has been connected with the installation layer, and the bottom end of the reserved frame column 21 of the top layer is connected to the corresponding frame column 21 of the installation layer. However, the frame beam of the installation layer makes it impossible to install the lightweight demolition machine 1, so the frame beam of the installation layer needs to be removed;

[0100] Preferably, during demolition, for the frame beam connected to the frame column 21 corresponding to the reserved frame column 21 on the top floor, the partial structure of one end connected to the frame column 21, that is, the remaining section 211 of the frame beam, is retained to form a protrusion provided on the frame column 21, so as to be used for the subsequent installation of the lightweight building demolition machine 1 and to remove other parts of the frame beam and other frame beams.

[0101] S4, installing a lightweight demolition machine 1 on the installation floor;

[0102] The specific steps include:

[0103] S41, install and place the force-holding frame 113 of the lifting system 11 on the remaining frame beam section 211 of the installation layer; during installation, lift the force-holding frame 113 through the reserved frame column 21 on the top layer and move it downward, then adjust the position of the moving beam 1132 so that they are close to each other and close to the side wall of the frame column 21, and continue to control the force-holding frame 113 to descend until the moving beam 1132 is placed on the upper part of the remaining frame beam section 211.

[0104] S42, using the floor slab of the installation layer as the working surface, connecting the assembled steel beams to the bearing frame 113, and gradually assembling the assembled steel beams to form the frame system 12;

[0105] S43, installing the assembled panels onto the assembled steel beams one by one to form a panel system 13;

[0106] S44, installing the enclosure structure 14 at the tower crane 3 openings and the material transport opening;

[0107] S45. With the panel system 13 as the working surface, the column top piece 111 of the lightweight demolition machine 1 is hoisted and installed on the reserved frame column 21 on the top floor by the tower crane 3. Then, the fixing piece 112 is connected to the column top piece 111. The length of the fastener is adjusted so that the reaction beam 1121 is clamped on the lower part of the remaining frame beam 211 of the installation layer. The cable 115 of the lifting drive 1142 is connected to the top beam 1113 of the column top piece 111. The length of the cable 115 is adjusted by the lifting drive 1142 so that the cable 115 is in a tensioned state to ensure that the lifting system 11 is firmly connected.

[0108] S5. Dismantle other structures of the installation layer and part of the structure of the next floor;

[0109] The other structures of the installation layer specifically include other frame columns 21 and floor plates on which the lightweight demolition machine 1 is not installed, so that the installation layer is connected with the next floor, and the bottom end of the frame column 21 of the installation layer equipped with the force-bearing frame 113 is connected to the corresponding frame column 21 of the next floor. Corresponding to step S33, for the frame beam connected to the frame column 21 corresponding to the frame column 21 of the installation layer equipped with the force-bearing frame 113, the partial structure of the end connected to the frame column 21 is retained, that is, the remaining section 211 of the frame beam is formed again, and the other parts of the frame beam and other frame beams are removed; during the demolition process, the construction waste is transported out through the material transportation shaft 22 and the tower crane 3.

[0110] S6, lowering the frame system 12 and the panel system 13 of the lightweight demolition machine 1 to the next floor;

[0111] The specific steps include:

[0112] S61, operate the lifting driver 1142, so that the force frame 113, the frame system 12, and the panel system 13 are lifted to a certain height and then suspended, at which time the moving beam 1132 leaves the remaining frame beam section 211 of the installation layer, and there is a set distance between the moving beam 1132 and the remaining frame beam section 211;

[0113] S62, moving the moving beam 1132 along the slide rail 1135 and away from each other until the projection of the moving beam 1132 is located outside the frame beam remaining section 211;

[0114] S63, operate the lifting driver 1142 again, so that the force frame 113, the frame system 12, and the panel system 13 are lowered to a certain height and then suspended, so that the moving beam 1132 is close to the remaining frame beam section 211 of the next floor, and there is a set distance between the moving beam 1132 and the remaining frame beam section 211;

[0115] S64, moving the moving beams 1132 along the slide rails 1135 and approaching each other until the moving beams 1132 are in contact with the surface of the frame columns 21 of the next floor;

[0116] S65, operate the lifting driver 1142 to lower the force holding frame 113 together with the frame system 12 and the panel system 13 as a whole until the movable beam 1132 is placed on the upper part of the frame beam remaining section 211 of the next floor.

[0117] S7, dismantling the column top member 111 and the fixing member 112 of the lifting system 11 of the lightweight building demolition machine 1;

[0118] Specifically, the tension in the tensioning member 1122 is first released, the fixing member 112 is removed from the column top member 111, and then the lifting drive 1142 is operated to make the cable 115 in a relaxed state and have a sufficient length, and then the column top member 111 is lifted by the tower crane 3 and placed on the panel system 13.

[0119] S8, dismantling the remaining frame columns 21 of the top floor and the remaining frame beam sections 211 of the installation layer;

[0120] Since the bottom end of the reserved frame column 21 on the top layer is connected to the corresponding frame column 21 on the installation layer, the upper surface of the remaining frame beam section 211 of the installation layer is used as a reference during dismantling, and all the frame columns 21 above the upper surface of the remaining frame beam section 211 are dismantled. Subsequently, the remaining frame beam section 211 is dismantled, and the construction waste is transported out through the material transport shaft 22 and the tower crane 3.

[0121] S9, installing the column top piece 111 and the fixing piece 112 at the top of the installation layer frame column 21;

[0122] Before installation, the top and side surfaces of the installation layer frame column 21 need to be cleaned and smoothed so that the column top piece 111 can be installed securely; the column top piece 111 is installed on the top of the installation layer frame column 21 by means of the tower crane 3, and then the fixing piece 112 is connected to the column top piece 111 again, and the length of the tensioning piece 1122 is adjusted so that the reaction beam 1121 is clamped on the lower part of the remaining section 211 of the frame beam of the next floor, and the length of the cable 115 is adjusted by means of the lifting driver 1142 so that the cable 115 is in a tensioned state, ensuring that the lifting system 11 is securely connected.

[0123] S10. Repeat steps S5-S9 to complete the demolition of other floors from top to bottom until the demolition of the second floor is completed.

[0124] S11. Dismantle the lightweight building demolition machine 1.

[0125] S12, demolish the first floor, complete all demolition work of the frame structure building 2, and dismantle the tower crane 3.

[0126] The present application installs the lifting system on the frame columns of the frame structure building so that the lifting system can transfer the loads of the frame system and the panel system to the frame columns. Compared with setting up a supporting structure and a lifting platform outside the building, this not only reduces the occupation of the construction site, but also saves the building materials and installation time required for setting up the supporting structure. At the same time, it is not restricted by the shape of the building and can be applied to frame structures of any form in the building plan, especially in situations where the buildings are densely packed and the site is small, and it is more flexible to use.

[0127] The lifting system in the present application can be transformed into four usage states according to usage requirements by setting column top parts, fixing parts, lifting frames and force-holding frames. It has stable connection, reasonable force transmission path, easy control, simple operation, and can be reasonably interspersed with demolition operations to achieve efficient and continuous operation.

[0128] By setting up a frame system and a panel system, a working platform and a material platform are provided for the demolition operation, with strong overall stability and high safety; the panel system can close the working floor to avoid pollution of the external environment, thus realizing green construction.

[0129] By coordinating the lifting system with the frame system, panel system and tower crane, the frame structure building can be safely and efficiently dismantled from top to bottom, saving energy and construction time and reducing construction costs.

[0130] The embodiments of the present invention are described in detail above, but the contents described are only preferred embodiments of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A lightweight demolition machine for frame structure buildings, characterized by: It includes several lifting systems, frame systems and panel systems; among them, The lifting system can be connected to the frame columns of the frame structure building to be demolished; The frame system is connected to the lifting system and moves up and down under the action of the lifting system; The panel system covers the frame system to close the frame system and form a working platform; The frame system and the panel system are correspondingly provided with a tower crane opening for installing a tower crane and a material transport opening for transporting materials.

2. The lightweight demolition machine for frame structure buildings according to claim 1 is characterized in that: The lifting system includes a column top member, a lifting frame, a force holding frame and a fixing member; the column top member has an inner cavity adapted to the top end of the frame column, and is pulled and connected to a protrusion arranged on the side wall of the frame column through the fixing member; the lifting frame is provided with a lifting drive, and is suspended under the column top member through a cable of the lifting drive; the lifting frame is hinged to the upper end of the force holding frame, the force holding frame is connected to the frame system, and is arranged around the outside of the frame column; the force holding frame can be placed on the upper part of the protrusion.

3. The lightweight demolition machine for frame structure buildings according to claim 2 is characterized in that: The column top member includes a column cap and a top beam; the column cap is used to be mounted on the top of the frame column; the top beam is arranged on the upper part of the column cap and extends to both sides to form a cantilever structure, and its two ends are respectively connected to the cables.

4. The lightweight demolition machine for frame structure buildings according to claim 2 or 3, characterized in that: The force-holding frame is provided with movable beams which can approach or move away from each other, and when the movable beams approach each other, they can overlap with the protrusions.

5. The lightweight demolition machine for frame structure buildings according to claim 4 is characterized in that: The force-holding frame also includes a cross frame surrounding the frame column, and the frame system is connected to the end of the cross frame.

6. The lightweight demolition machine for frame structure buildings according to claim 5, characterized in that: The two opposite ends of the cross frame are provided with slide rails, and the moving beam is slidably matched with the slide rails; the other two ends of the cross frame are provided with ear plates for being hinged with the lifting frame.

7. The lightweight demolition machine for frame structure buildings according to claim 6, characterized in that: The slide rail is arranged on the upper part of the cross frame, and the two ends of the moving beam are provided with hanging frames, and the hanging frames are engaged with the slide rail.

8. The lightweight demolition machine for frame structure buildings according to any one of claims 1-3 and 5-7, characterized in that: Enclosing structures are provided outside the tower crane opening and the material transport opening.

9. The lightweight demolition machine for frame structure buildings according to claim 8, characterized in that: The frame system includes a plurality of crisscross assembled steel beams, and the panel system includes a plurality of assembled panels, which are detachably connected to the assembled steel beams. The frame system is also equipped with a lighting system, a fire sprinkler system, a dust monitoring system, a noise monitoring system and a lifting system.

10. A method for dismantling a frame structure building, characterized in that: The lightweight demolition machine for frame structure buildings as claimed in any one of claims 1 to 9 comprises the following steps: Designing the lightweight building demolition machine; Set up tower crane shaft and material transportation shaft, and install tower crane; Dismantle the roof structure of the frame structure building, other structures on the top floor except the frame columns for installing the lightweight building demolition machine, and the frame beams of the installation layer, and retain some remaining sections of the frame beams of the installation layer; Install the lightweight building demolition machine on the installation layer; Dismantle other structures of the installation layer and part of the structure of the next floor; Lowering the frame system and panel system of the lightweight building demolition machine to the next floor; Dismantle the column top parts and fixing parts of the lifting system of the lightweight building demolition machine; Dismantle the remaining frame columns on the top layer and the remaining frame beams on the installation layer; Install the column top member and the fixing member on the top of the frame column of the installation layer; Complete the demolition of other floors from top to bottom until the demolition of the second floor is completed; Remove lightweight building demolition machine; The first floor is demolished, all demolition work of the frame structure building is completed, and the tower crane is demolished.

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