CN110485752B

CN110485752B - High-rise building dismantling method and machine

Info

Publication number: CN110485752B
Application number: CN201910785076.2A
Authority: CN
Inventors: 杨松林
Original assignee: Guangdong Qida Construction Engineering Co ltd
Current assignee: Guangdong Qida Construction Engineering Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2021-11-09
Anticipated expiration: 2039-08-23
Also published as: CN110485752A

Abstract

The invention relates to a high-rise building demolishing method and demolishing machine, including the tower crane of the self-elevating type, the tower crane includes the hollow tower body, jacking set frame and jib loading boom that connects with jacking set frame and rotates, the tower body is through waiting to demolish the floor of the building and setting up in waiting to demolish the middle part of the building, jacking set frame, jib loading boom locate wait to demolish the top of the building, jacking set frame peripheral surface install several cantilever cranes, the movable end of the cantilever crane installs demolishing the building accessory; a plurality of baffles are installed to the body medial surface of the tower, and a plurality of baffles parcel formation guide chamber, the guide intracavity is fixed with helical coiled passage, the top and the bottom opening setting in guide chamber. Through the arrangement, dust and noise generated when the slag is conveyed to the downstairs from the roofs of the buildings to be dismantled are reduced, so that the influence on the surrounding environment is reduced, the slag is conveyed inside the buildings to be dismantled, and compared with the existing mode that the slag is broken and dismantled on the roofs by an excavator, the slag splashing situation is reduced, and the danger is reduced.

Description

High-rise building dismantling method and machine

Technical Field

The invention relates to the technical field of house dismantling, in particular to a high-rise building dismantling method and a building dismantling machine.

Background

At present, along with the development of social economy, the urbanization level is higher and higher, the construction industry is rapidly developed, old buildings are continuously dismantled, and then new buildings are built or other purposes are changed. At present, the demolition engineering generally has three modes: firstly, manual dismantling is carried out by workers by using small mechanical equipment, so that the efficiency is low, the construction period is long, and the labor intensity is high; mechanical dismantling is carried out, although labor intensity is low, the problems of overlong slag removing period and difficulty in steel recovery exist, and the mechanical dismantling method mainly aims at middle and low-rise buildings; thirdly, blasting demolition, which can collapse the building at one time, but has high risk, great coordination difficulty, high requirement on the surrounding environment, long slag removal period, difficult steel recovery and the like, and is difficult to realize especially in urban areas and easy to cause damage to the surrounding buildings or citizens.

The existing mechanical dismantling methods are of several types, the common method is that an excavator is hoisted to a roof through a crane and then dismantled from top to bottom through the excavator, the mode is high in smoke and noise, and waste splashes around, so that the influence on the surrounding environment and the life of residents is large; in addition, like the japanese 'hidden building dismantling method', the whole building is dismantled layer by layer from bottom to top inside the building by using a jack, although smoke and noise are less, the efficiency is slow, and the method is not suitable for the current efficient social development concept. Therefore, a new building demolition method and a new building demolition machine are needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a high-rise building dismantling method which has the advantages of high dismantling speed and reduction of smoke pollution and noise pollution; the invention aims to provide a high-rise building dismantling machine which has the advantages of high dismantling speed and reduction of smoke pollution and noise pollution.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-rise building dismantling machine comprises a self-elevating tower crane, wherein the tower crane comprises a hollow tower body, a jacking sleeve frame and a crane boom rotatably connected with the jacking sleeve frame, the tower body penetrates through a floor slab of a building to be dismantled and is arranged in the middle of the building to be dismantled, the jacking sleeve frame and the crane boom are positioned above the building to be dismantled, a plurality of arm frames are arranged on the outer peripheral surface of the jacking sleeve frame, and a building dismantling accessory is arranged at the movable end of each arm frame; a plurality of baffles are installed on the inner side face of the tower body, the baffles are wrapped to form a material guide cavity, a spiral channel is fixed in the material guide cavity, and openings are formed in the top end and the bottom end of the material guide cavity.

Through the arrangement, the floor slab of the building to be dismantled is firstly opened under the condition of not damaging a building frame structure, a channel for the tower body of the tower crane to pass is formed, and the jacking sleeve frame and the lifting arm of the tower crane are arranged to be higher than the roof of the building to be dismantled. The periphery of the jacking sleeve frame is provided with a plurality of arm frames provided with the accessory for dismounting the building, wherein the arm frames adopt the mechanical arms of the existing excavator, the accessory for dismounting the building adopts the existing accessory matched with the arms of the excavator, the accessory comprises a plurality of accessories such as a breaking hammer, a hydraulic shear, a bucket and a hydraulic rock drill, and the suitable accessory is arranged according to actual requirements. The demolition of the building to be demolished is realized through the cooperation of the arm support and the demolition accessory, for example, a cement structure of a floor slab and a wall column is crushed through a crushing hammer, a hydraulic rock drill and the like, then reinforcing steel bars of the building to be demolished are sheared through a hydraulic shear, and then the crushed waste materials are gathered to a tower body through a bucket. Wherein the tower body is the frame construction of cavity setting, and a plurality of baffles are installed to the medial surface of tower body, and hollow guide chamber such as height with waiting to tear open the building is constituteed to a plurality of baffles, is provided with the helical passage fixed with the baffle in the guide chamber, and the axis of helical passage is vertical to be set up, and the upper and lower both ends opening of guide chamber sets up. Therefore, the crushed slag generated by building dismantling is gathered towards the tower body through the excavating accessory, enters from the top end opening of the material guide cavity, is gradually conveyed to the bottom end of the material guide cavity through the spiral channel, and is collected and transported at the lower end of the material guide cavity through a common mud head vehicle and the like. The building dismantling accessory crushes the slag into smaller volume when the building to be dismantled is dismantled, so that the situation that the slag blocks the spiral channel is reduced. Constitute the setting of a guide chamber through the baffle, reduced the flying dust and the noise that the disintegrating slag produced when transporting downstairs from waiting to tear open the building roof to reduce the influence to the surrounding environment, and with the disintegrating slag waiting to tear open the inside transportation of building, compare the current condition that has reduced the disintegrating slag and has spattered all around through the mode that the excavator broke open on the roof, reduced danger. The efficiency of building dismantling is improved by the mode that the plurality of arm supports and the building dismantling accessory are used for dismantling the building, the mode of conveying the crushed slag through the spiral channel is matched with the crane boom to lift and convey the crushed slag, the conveying efficiency of the crushed slag is improved, and further the efficiency of dismantling the building is improved.

The tower body further comprises a plurality of standard joint single bodies which are connected in a detachable and rectangular-like mode, the standard joint single bodies are connected along the axis direction, the baffle plates are fixed to the inner side surfaces of the standard joint single bodies, and the baffle plates of the adjacent standard joint single bodies are fixed to each other.

Through the setting, divide into a plurality of standard festival monomer with the body of the tower through the mode that can dismantle the connection, standard festival monomer forms the body of the tower along the fixed combination of axis direction to be convenient for hoist standard festival monomer through the jib loading boom, loop through the passageway that link up the floor and form and splice, and also be convenient for transport. Wherein the baffle is fixed with standard festival monomer medial surface, also fixes adjacent baffle when adjacent standard festival monomer is fixed to can prefabricate the baffle on standard festival monomer, be convenient for carry out the on-the-spot installation and directly constitute the tower body.

The spiral channel further comprises a plurality of channel single bodies, each channel single body comprises two slide ways which are staggered in height and opposite in inclination direction, an inclined part communicated with the adjacent slide way is arranged between the two slide ways, and the slide way single bodies of the adjacent standard section single bodies are communicated through the inclined parts.

Through the setting, fall into a plurality of passageway monomer combination with helical coiled passage and form, single passageway monomer includes two slides along dislocation and opposite direction of inclination, and two slides end to end pass through the rake intercommunication, and the slide between the adjacent standard festival monomer also passes through the rake intercommunication, includes two slides and two rakes in the prefabricated standard festival monomer promptly to be convenient for adjacent standard festival monomer intercommunication each other, also be convenient for the disintegrating slag and convey in the passageway monomer.

The invention further provides that a fixing piece is arranged between the tower body and the floor slab of the building to be dismantled, and the fixing piece is fixed with the upper end surface of the floor slab of the building to be dismantled and the peripheral surface of the tower body.

Through the arrangement, the fixing piece is fixed between the tower body and the floor slab of the building to be dismantled, and the fixing piece is fixed with the upper end face of the floor slab and the outer peripheral face of the tower body respectively. Thereby strengthened the tower body through the mounting and waited to tear the relation of connection of building open, and then improved the holistic stability of tower crane, can reduce the construction to the tower crane foundation even, and then reduced engineering cost.

The invention further provides that the fixing piece comprises two groups of main channel steels which are symmetrical relative to the tower body and fixed with the upper end face of the floor slab of the building to be dismantled, and two groups of auxiliary channel steels which are symmetrical relative to the tower body and fixed with the upper end face of the main channel steel, wherein the auxiliary channel steels are perpendicular to the main channel steels, and the tower body is clamped by the auxiliary channel steels.

Through the arrangement, the main channel steel and the auxiliary channel steel are the channel steel which is opposite to each other in pairs, the main channel steel is fixed to the floor of the building to be dismantled, the auxiliary channel steel is fixed to the tower body, the main channel steel and the auxiliary channel steel of each layer of the floor are staggered by 90 degrees, so that the tower body is limited and fixed through different clamping angles, and the connection relation between the tower body and the floor of the building to be dismantled is further enhanced.

The invention is further provided with a base layer, a sound insulation damping layer and a wear-resistant layer which are sequentially arranged on the baffle from outside to inside.

Through the setting, set up the baffle into multilayer structure, be basic unit, syllable-dividing buffer layer and wearing layer respectively from the outside guide intracavity of guide chamber to when the disintegrating slag removed and strikeed the baffle in the guide intracavity, the wearing layer has improved the life of baffle, and the buffer layer that gives sound insulation has reduced the noise that this in-process produced and the impact to the mounting, and then has improved the factor of safety of body of the tower and has reduced the influence to the local-style dwelling houses on every side.

The invention is further provided that the base layer is made of a steel plate, the sound insulation and shock absorption layer is made of polyurethane foam, and the wear-resistant layer is a steel plate sprayed with polyurethane TDI resin type wear-resistant paint.

Through the setting, the basic unit adopts the steel sheet to support, and the shock-absorbing layer that gives sound insulation adopts polyurethane foam to make, has the porous effect of inhaling the sound to certain deformability can the basicity shock attenuation, wherein the shock-absorbing layer adopts the steel sheet to make and the spraying has polyurethane TDI resin type wear-resisting coating outside the steel sheet, thereby has improved the wear resistance of steel sheet, improves the life of baffle.

A high-rise building dismantling method adopting the high-rise building dismantling machine comprises the following steps,

a. penetrating the floor slab: a passage for erecting a tower body is formed by penetrating a floor slab in the middle of the building to be dismantled;

b. hoisting a tower crane: hoisting a jacking sleeve frame and a crane boom of the tower crane to the top layer of the building to be dismantled through a hoisting device, fixing the jacking sleeve frame and the top layer of the building to be dismantled, and installing the crane boom and the jacking sleeve frame;

c. assembling the tower body: hoisting the standard section monomers downwards from the upper end of the channel through a crane boom, and sequentially assembling the standard section monomers to form a tower body;

d. installing a tower crane, a mechanical arm and an accessory: installing a jacking sleeve frame, a crane boom and a tower body of the tower crane through a hoisting device, assembling the crane boom and a dismantling accessory on the ground, hoisting the assembled crane boom and dismantling accessory to the roof of a building to be dismantled by using the crane boom and installing the assembled crane boom and dismantling accessory on the outer peripheral surface of the jacking sleeve frame;

e. removing the floor slab, the wall and the column: the arm support is used for controlling the building dismantling accessory to break and dismantle the floor slab, the wall and the column of the building to be dismantled;

f. cleaning broken slag: the broken slag generated by breaking and dismantling is gathered to the material guide cavity through the building dismantling accessory, so that the broken slag is conveyed to the bottom of the building through the spiral channel;

g. and (3) reducing the height of the tower body: and e, removing a standard section of single body from the tower body of the high-rise building dismantling machine, lowering the height of the tower body of the first-floor building, and continuously repeating the steps e and f until the whole building is dismantled.

Through the arrangement, the through floor plate reserves a space for the tower body, and the through channel is slightly larger than the cross section of the tower body. The jacking sleeve frame and the crane boom of the tower crane are hoisted to the top layer of the building to be dismantled through hoisting devices such as a crane or a helicopter, the jacking sleeve frame and the crane boom are staggered with the channel, and the installation of the crane boom and the jacking sleeve is completed in a proper way, so that the crane boom can be hoisted, the cost of renting the crane and the helicopter can be reduced, the standard section monomers of the tower body can be conveniently hoisted into the channel of the building to be dismantled from the top layer of the building to be dismantled, and the standard section monomers are assembled into the tower body in a proper way. After the tower body is installed to a position higher than the roof of a building to be dismantled, the jacking sleeve frame and the crane boom of the tower crane are hoisted to be installed with the tower body through a hoisting device such as a crane or a helicopter, and the boom and the accessory for dismantling the building are hoisted to be fixed on the outer peripheral surface of the jacking sleeve frame, so that the building can be dismantled through the boom and the accessory for dismantling the building. The arm support adopts the existing mechanical arm of the excavator, the floor-dismantling accessory adopts the existing accessory matched with the arm of the excavator, the accessory comprises a plurality of accessories such as a breaking hammer, a hydraulic shear, a bucket, a hydraulic rock drill and the like, and the proper accessory is installed according to actual needs. After each floor of the building to be dismantled is dismantled, the building accessory is dismantled to assemble broken slag generated by breaking and dismantling to the material guide cavity, so that the broken slag is conveyed to the bottom of the building through the spiral channel, and the broken slag is carried and transported at the discharge port of the material guide cavity at the bottom of the building through transport vehicles such as a mud truck and the like. Then, the height of the tower body is reduced by the way of dismantling the standard section monomers of the crane arm and the existing self-elevating tower crane, so that the step of dismantling the building and reducing the height of the tower body is repeated continuously until the whole building to be dismantled is dismantled. Compared with the existing building dismantling method, the method has the advantages of short construction period, high efficiency and low cost.

The invention is further provided that the step d further comprises a hoisting excavator, and the assembled excavator is hoisted to the roof of the building to be dismantled by utilizing the crane boom.

Through the arrangement, the existing excavator is hoisted to the roof to be matched with the building dismantling accessory to dismantle the building, so that the construction period of dismantling the building can be shortened, the crushed slag is better gathered towards the tower body direction, and the arm support and the building dismantling accessory are convenient to pour the crushed slag into the material guide cavity.

The invention is further provided, and the step f also comprises cargo boom unloading, wherein the broken slag generated by breaking and dismantling is hoisted to the bottom of the building through the cargo boom.

Through the arrangement, the cargo boom is utilized for unloading, the efficiency of building dismantling can be further improved, the cargo boom is utilized, and the loss of the vacant space to the cost is reduced.

In conclusion, the invention has the following beneficial effects:

1. the tower crane is provided with the self-elevating tower crane penetrating through the floor slab of the building to be dismantled, wherein the tower body of the tower crane is positioned in a channel generated by the penetrating floor slab of the building to be dismantled, so that the jacking sleeve frame and the crane arm positioned at the top end of the tower crane are penetrated, the crane arm frame and the building dismantling accessory are convenient to hoist, and the standard joint monomer is dismantled in the building dismantling process to reduce the height of the tower crane and to hoist crushed slag downwards;

2. the plurality of arm supports and a plurality of building dismantling accessories matched with the arm supports are arranged on the outer peripheral surface of the jacking sleeve frame at equal angles, so that a building can be dismantled from top to bottom by taking a tower crane as a center, and the plurality of arm supports can facilitate various use scenes, so that the building dismantling efficiency is higher;

3. through keep apart hollow guide chamber through the baffle in the body of the tower, both ends opening sets up about the guide chamber to through being fixed with helical passage in the guide intracavity, thereby be convenient for convey the disintegrating slag that the building of will tearing open the building production to the top end opening from the guide chamber top and accept and transport through the transport means, thereby reduced the smoke and dust and the noise that the disintegrating slag produced in transportation process.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic structural view of a standard knot monomer in example 1;

FIG. 4 is a view showing the internal structure of a material guide chamber in embodiment 1;

FIG. 5 is a schematic sectional view of a baffle plate in example 1;

FIG. 6 is a diagram illustrating the state of step b in example 2.

Reference numerals: 1. tower crane; 11. a tower body; 12. standard knot monomers; 13. jacking sleeve frames; 14. a cargo boom; 15. a boom; 16. disassembling the building accessories; 17. a baffle plate; 171. a base layer; 172. a sound insulation and shock absorption layer; 173. a wear layer; 18. a material guiding cavity; 19. a spiral channel; 191. a slideway; 192. an inclined portion; 21. main channel steel; 22. a secondary channel steel; 3. a building to be dismantled; 31. a channel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

as shown in fig. 1 to 2, the high-rise building dismantling machine disclosed by the invention comprises a self-elevating tower crane 1, wherein the tower crane 1 comprises a tower body 11 arranged in a hollow manner, a jacking sleeve frame 13 arranged at the top end of the tower body 11 and a crane arm 14 rotatably connected with the jacking sleeve frame 13. The tower body 11 is arranged in the middle of the to-be-dismantled building 3 and penetrates through a floor slab of the to-be-dismantled building 3, and the extending length of the lifting arm 14 is larger than the width of the to-be-dismantled building 3, so that the lifting arm 14 can extend out of the to-be-dismantled building 3 to be hoisted. The arm support 15 adopts the existing mechanical arm of the excavator, the floor-dismantling accessory 16 adopts the existing accessory matched with the arm of the excavator, the accessory comprises a plurality of accessories such as a breaking hammer, a hydraulic shear, a bucket, a hydraulic rock drill and the like, and the proper accessory is installed according to actual requirements.

As shown in fig. 3 to 4, the tower body 11 includes a plurality of standard single joints 12 having a rectangular frame shape, and the plurality of standard single joints 12 are detachably connected to each other by bolts or the like along the axial direction to form the tower body 11. Baffle plates 17 are fixed on four inner side surfaces of the standard joint single body 12, the baffle plates 17 cover the inner side surfaces of the standard joint single body 12, and adjacent baffle plates 17 in the single standard joint single body 12 are fixed with each other. When the adjacent standard knot single bodies 12 are connected with each other, the baffles 17 in the adjacent standard knot single bodies 12 are also fixed with each other, so that the guide cavity 18 is formed by wrapping the baffles 17 in the tower body 11, and the top end and the bottom end of the guide cavity 18 are opened.

Wherein the material guiding cavity 18 is internally fixedly connected with a spiral channel 19, the spiral channel 19 comprises a plurality of spiral monomers fixed in the standard knot monomers 12, a single spiral monomer comprises two slideways 191 which are staggered along the height and have opposite inclination directions, the lower end of the upper slideway 191 is connected with the upper end of the lower slideway 191, and the side surfaces of the two slideways 191 which are far away from each other are respectively attached to the two opposite baffles 17. The inclined part 192 is fixedly connected to the joint of the upper slideway 191 and the lower slideway 191, and the inclined part 192 extends along the edge of the upper slideway 191 to incline towards the edge of the lower slideway 191, so that the crushed slag falling on the spiral single body can fall into the lower slideway 191 from the upper slideway 191 along the inclined part 192, and the whole slideway 191 is inclined downwards along the length direction, thereby reducing the residue of the crushed slag on the spiral channel 19, and enabling the crushed slag to enter from the top end opening of the material guide cavity 18 and be discharged from the bottom end of the material guide cavity 18 as soon as possible.

As shown in fig. 5, the baffle 17 is sequentially provided with a base layer 171, a sound-insulating shock-absorbing layer 172 and a wear-resistant layer 173 from the outside of the material guiding chamber 18 to the inside of the material guiding chamber 18, wherein the base layer 171 is made of a steel plate, the sound-insulating shock-absorbing layer 172 is made of polyurethane foam, and the shock-absorbing layer is made of a steel plate sprayed with a polyurethane TDI resin type wear-resistant coating.

Wherein be connected with the mounting between the floor of body of the tower 11 and the building 3 of waiting to tear open, the mounting includes 11 symmetries of two sets of relative bodies of the tower and the fixed main channel-section steel 21 of the floor up end of waiting to tear open the building 3 to and 11 symmetries of two sets of relative bodies of the tower and with the fixed vice channel-section steel 22 of main channel-section steel 21 up end, vice channel-section steel 22 is perpendicular with main channel-section steel 21, vice channel-section steel 22 presss from both sides tight body of the tower 11 setting. Thereby the connectivity between the building 3 to be dismantled and the tower crane 1 is strengthened, and the stability of the tower body 11 is improved.

The implementation principle of the embodiment is as follows:

when the high-rise building dismantling machine is used for dismantling a building, a building dismantling accessory 16 of the tower crane 1, which is positioned on the roof, is used for dismantling the roof of a building 3 to be dismantled, different building dismantling accessories 16 are replaced according to actual needs, the building dismantling accessories 16 are matched with each other, crushed slag generated by dismantling the building is gathered towards the tower body 11, the crushed slag is poured from an upper opening of a material guide cavity 18 in the tower body 11, the crushed slag moves from top to bottom in the material guide cavity 18 under the action of self gravity, is guided through a spiral channel 19 and is finally discharged from a lower opening of the material guide cavity 18, and the crushed slag is received and transported through transportation tools such as a mud head vehicle and the like stopped at an opening below the material guide cavity 18.

After the top layer of the building 3 to be dismantled is dismantled, a section of standard knot monomer 12 is reduced through the conventional self-lifting mode of the tower crane 1, so that the heights of the jacking sleeve frame 13 and the crane boom 14 on the top end of the tower crane 1 are reduced, the next floor is convenient to dismantle, and the height of the tower crane 1 is gradually reduced until the building 3 to be dismantled is dismantled.

Thereby reduced the smoke and dust that produces when tearing open building in-process transportation disintegrating slag, set up guide chamber 18 in the middle part of waiting to tear open building 3, the airtight environment of waiting to tear open building 3 itself has been cooperated to baffle 17 that has the sound insulation effect, noise when having reduced the disintegrating slag and having carried in guide chamber 18 has reduced the influence to the local residence around.

Example 2:

as shown in the figure, the high-rise building dismantling method adopting the high-rise building dismantling machine comprises the following steps:

a. penetrating the floor slab: a passage 31 for erecting the tower body 11 is formed by penetrating the floor slab in the middle of the building 3 to be dismantled;

b. hoisting a tower crane 1: hoisting a jacking sleeve frame 13 and a lifting arm 14 of the tower crane 1 to the top layer of the building 3 to be dismantled through a hoisting device, fixing the jacking sleeve frame 13 and the top layer of the building 3 to be dismantled, and installing the lifting arm 14 and the jacking sleeve frame 13; (as shown in FIG. 6)

c. Assembling the tower body 11: the standard joint single bodies 12 are lifted and conveyed downwards from the upper end of the channel 31 through the crane arm 14, and all the standard joint single bodies 12 are assembled in sequence to form a tower body 11;

d. installing a tower crane 1, a mechanical arm and an accessory: the jacking sleeve frame 13 and the crane boom 14 of the tower crane 1 and the tower body 11 are installed through a hoisting device, the boom 15 and the dismantling accessory 16 are assembled on the ground, and then the boom 14 is used for hoisting the assembled boom 15 and the dismantling accessory 16 to the roof of the building 3 to be dismantled and installing the assembled boom 15 and the dismantling accessory on the outer peripheral surface of the jacking sleeve frame 13;

e. removing the floor slab, the wall and the column: the arm support 15 controls the dismantling tool 16 to break and dismantle the floor, wall and column of the to-be-dismantled building 3;

f. cleaning broken slag: the broken slag generated by breaking and dismantling is gathered to a material guide cavity 18 through a building dismantling accessory 16, so that the broken slag is conveyed to the bottom of a building through a spiral channel 19;

g: the height of the tower body 11 is reduced: and (3) removing one standard section of single body 12 from the tower body 11 of the high-rise building dismantling machine, lowering the height of the tower body 11 for one floor, and continuously repeating the steps e and f until the whole building is dismantled.

The step of hoisting the excavator can be added in the step d, the assembled excavator is hoisted to the roof of the building 3 to be dismantled by utilizing the crane boom 14, and the efficiency of dismantling the building is improved by matching the existing excavator with the building dismantling accessory 16.

And the step f also comprises a step of unloading by the crane arm 14, wherein the broken slag generated by breaking and dismantling is hoisted to the bottom of the building by the crane arm 14, so that the utilization rate of the crane arm 14 is improved, and the cleaning and transportation efficiency of the broken slag is improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a high-rise building tears building machine open, includes self-elevating tower crane (1), tower crane (1) including tower body (11), jacking cover frame (13) that cavity set up and with jacking cover frame (13) rotate jib loading boom (14) of connecting, characterized by: the tower body (11) penetrates through a floor slab of the building (3) to be dismantled and is arranged in the middle of the building (3) to be dismantled, the jacking sleeve frame (13) and the crane boom (14) are positioned above the building (3) to be dismantled, a plurality of arm supports (15) are mounted on the outer peripheral surface of the jacking sleeve frame (13), and building dismantling accessories (16) are mounted at the movable ends of the arm supports (15); a plurality of baffles (17) are installed on the inner side face of the tower body (11), the baffles (17) wrap to form a material guide cavity (18), a spiral channel (19) is fixed in the material guide cavity (18), and openings are formed in the top end and the bottom end of the material guide cavity (18).

2. A high-rise building demolishing machine as claimed in claim 1, wherein: the tower body (11) comprises a plurality of standard joint monomers (12) which are detachably connected and similar to rectangles, the standard joint monomers (12) are connected along the axis direction, the baffle (17) is fixed with the inner side surface of each standard joint monomer (12), and the baffle (17) of each adjacent standard joint monomer (12) is fixed with each other.

3. A high-rise building demolishing machine as claimed in claim 2, wherein: spiral passage (19) include a plurality of passageway (31) monomer, passageway (31) monomer includes two slide (191) along highly misplacing and opposite direction of slope, two be provided with slope portion (192) of intercommunication adjacent slide (191) between slide (191), communicate through slope portion (192) between slide (191) monomer of adjacent standard festival monomer (12).

4. A high-rise building demolishing machine as claimed in claim 1, wherein: a fixing piece is arranged between the tower body (11) and a floor slab of the building (3) to be dismantled, and the fixing piece is fixed with the upper end face of the floor slab of the building (3) to be dismantled and fixed with the peripheral surface of the tower body (11).

5. A high-rise building demolishing machine as claimed in claim 4, wherein: the mounting includes two sets of relative shaft tower (11) symmetry and with wait to tear main channel-section steel (21) that the floor up end of building (3) is fixed open to and two sets of relative shaft tower (11) symmetry and with vice channel-section steel (22) that main channel-section steel (21) up end is fixed, vice channel-section steel (22) with main channel-section steel (21) are perpendicular, vice channel-section steel (22) press from both sides tightly shaft tower (11).

6. A high-rise building demolishing machine as claimed in claim 1, wherein: baffle (17) are from outside to inside and have set gradually basic unit (171), noise insulation shock attenuation layer (172) and wearing layer (173).

7. A high-rise building demolishing machine as claimed in claim 6, wherein: the base layer (171) is made of a steel plate, the sound insulation damping layer (172) is made of polyurethane foam, and the wear-resistant layer (173) is a steel plate sprayed with polyurethane TDI resin type wear-resistant paint.

8. A high-rise building demolition method using the high-rise building demolition machine according to any one of claims 1 to 7, characterized by: the method comprises the following steps:

a. penetrating the floor slab: a passage (31) for erecting the tower body (11) is formed by penetrating the floor slab in the middle of the building (3) to be dismantled;

b. hoisting tower crane (1): hoisting a jacking sleeve frame (13) and a lifting arm (14) of a tower crane (1) to the top layer of a building (3) to be dismantled through a hoisting device, fixing the jacking sleeve frame (13) and the top layer of the building (3) to be dismantled, and installing the lifting arm (14) and the jacking sleeve frame (13);

c. assembling the tower body (11): the standard joint single bodies (12) are lifted and conveyed downwards from the upper end of the channel (31) through a crane arm (14), and all the standard joint single bodies (12) are assembled in sequence to form a tower body (11);

d. installing a tower crane (1), a mechanical arm and an accessory: the jacking sleeve frame (13) and the crane boom (14) of the tower crane (1) and the tower body (11) are installed through a hoisting device, the arm support (15) and the dismantling attachment (16) are assembled on the ground, and then the assembled arm support (15) and the dismantling attachment (16) are hoisted to the roof of the building (3) to be dismantled by using the crane boom (14) and installed with the peripheral surface of the jacking sleeve frame (13);

e. removing the floor slab, the wall and the column: the floor, wall and column of the building (3) to be dismantled are broken and dismantled by controlling the dismantling tool (16) through the arm support (15);

f. cleaning broken slag: crushed slag generated by breaking and dismantling is gathered to a material guide cavity (18) through a building dismantling accessory (16), so that the crushed slag is conveyed to the bottom of a building through a spiral channel (19);

g. the height of the tower body (11) is reduced: and (3) removing a standard section of single body (12) from the tower body (11) of the high-rise building dismantling machine, lowering the height of the tower body (11) for one floor, and continuously repeating the steps e and f until the whole building is dismantled.

9. A high-rise building demolishing method as claimed in claim 8, wherein: and step d, hoisting an excavator, wherein the assembled excavator is hoisted to the roof of the building (3) to be dismantled by utilizing the crane boom (14).

10. A high-rise building demolishing method as claimed in claim 8, wherein: and f, unloading by a crane arm (14), and hoisting the crushed slag generated by breaking and dismantling to the bottom of the building by the crane arm (14).