CN115898077A

CN115898077A - Building outer wall demolishs device

Info

Publication number: CN115898077A
Application number: CN202211443261.1A
Authority: CN
Inventors: 伏姣龙
Original assignee: Jiangsu Donghe Recycling Technology Co ltd
Current assignee: Jiangsu Donghe Recycling Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of building demolition equipment, in particular to a building outer wall demolition device, which comprises a device body, wherein an opening is formed in the building outer wall and used for collecting scraps, a plurality of groups of horizontally arranged guide rails are arranged on the inner walls of two sides of the device body from top to bottom, the device body can be provided with a detachable and replaceable filter plate through the embedding of the guide rails, a cutting device is arranged above the filter plate, and the cutting device comprises a cutting disc which can rotate and cut the building outer wall; the device is convenient for cutting the support components of the building outer wall and the curtain wall plate; when the device is used, the outer wall of a building is humidified through the spraying assembly, the solid-liquid mixture is guided through the guide plate, the solid-liquid mixture is filtered through the filter plate, liquid can be collected through the water collecting box, and the liquid in the water collecting box can be sucked into the water tank through the suction pump after the water collecting box is subjected to standing solid-liquid separation, so that the liquid in the device body can be recycled.

Description

Building outer wall demolishs device

Technical Field

The invention relates to the technical field of building demolition equipment, in particular to a building outer wall demolition device.

Background

The conventional operation mode is blasting demolition when a high-rise building is demolished, but in an area with dense buildings in an urban area, personnel around the building are easily injured and vehicles of the building are easily damaged due to massive splashed broken stones and smoke generated by blasting, and the mode is not suitable.

Aiming at a high-rise building which is not convenient to blast and demolish, the existing demolition measures are that workers empty articles in the building firstly, the workers adopt cutting equipment to demolish a partition wall of a non-bearing wall in the building, then demolish the partition wall of an outer wall of the building, and then demolish a frame type reinforced concrete bearing structure.

When the staff demolish the building interior wall, because of cutting the operation in building inside, the event only need close the window just can reduce the dust of demolising the in-process, and the staff demolishs the time to non-bearing outer wall afterwards, then face a series of difficulties, when demolising the building outer wall, then need demolish the window earlier, later the staff cuts the separation to the outer wall body in the building inside, but at this in-process, the building outer wall is because cut and is cracked, can produce broken stone and a large amount of dust, the stone falls from the high altitude and easily leads to below pedestrian or staff injured, and a large amount of dust easily leads to the air circumstance quality to descend, lead to surrounding resident's complaint and environmental protection to intervene, influence the engineering progress.

In addition, other components such as curtain board have still been laid at the outer wall of present high-rise building, the support components of curtain board are connected with the outer wall, the staff is indoor to the outer wall cutting, and when the application of force striking, the masonry structure is easy to be broken when receiving the impact force, and the support components of curtain board is metal component basically, be difficult for breaking, because of the wall body is thick, the cutting tool is difficult to be cut off from the support components of back to the curtain board, lead to the outer wall board after the cutting still to keep connecting through the support components of curtain board, influence the staff and carry out outer wall separation clearance operation.

In order to solve the problems exposed in the existing building exterior wall demolition process, structural improvement and optimization of a building exterior wall demolition device are needed.

Disclosure of Invention

In order to solve the technical problems, the invention provides a building outer wall dismantling device which has the characteristics of effectively reducing dust in the outer wall dismantling process, avoiding broken stone falling during outer wall separation and facilitating cutting of a curtain wall bracket connecting piece on the outer wall of an outer wall.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a device is demolishd to building outer wall, includes that the opening has been seted up towards the building outer wall and the device body that is used for collecting the piece, device body both sides inner wall from the top down is provided with the guide rail that the multiunit level was arranged, device body accessible guide rail gomphosis is provided with the filter that can dismantle the change, the top of filter is provided with cutting device, and cutting device includes the rotatable cutting dish that cuts to the building outer wall, and cutting device still includes the adjusting part who is used for adjusting cutting dish cutting position, the top of cutting dish still is provided with the spray set who is used for the dust removal humidification, the filter upwards extends fixedly to be provided with the deflector to the piece direction towards one side of building outer wall, the below of filter is provided with the water-collecting box that is used for accomodating solid-liquid mixture, the below of water-collecting box is provided with the water tank that is used for the water storage, the one end of water tank is connected with spray set through the pipeline and supplies water to spray set.

According to the preferable technical scheme of the building outer wall dismantling device, the adjusting assembly comprises a beam frame horizontally arranged on the inner wall of the device body, a first lead screw capable of rotating around the axis of the beam frame is horizontally arranged on the inner side of the beam frame, a sliding block capable of rotating through the first lead screw and performing threaded displacement is sleeved on the outer wall of the first lead screw, a vertical adjusting beam frame is arranged on the vertical surface, facing the outer wall, of the sliding block, a second lead screw capable of rotating around the axis of the sliding block is vertically arranged in the vertical adjusting beam frame, one end, away from the first lead screw, of the sliding block can be sleeved on the second lead screw and performs relative displacement with the second lead screw, and the position of the cutting disc is adjusted in the horizontal direction and the vertical direction through the first lead screw and the second lead screw.

As a preferred technical scheme of the building outer wall dismantling device, the adjusting assembly further comprises an angle adjusting motor for adjusting the inclination angle of the cutting disc, one end of the angle adjusting motor is fixedly arranged on the side wall of the vertical adjusting beam frame away from the sliding block, an output shaft of the angle adjusting motor is fixedly provided with a telescopic rod, an output end of the telescopic rod is provided with a mounting frame, and the cutting disc is rotatably arranged on the inner side of the mounting frame through a rotating shaft and used for cutting an outer wall;

the outer wall of the mounting rack is fixedly provided with a servo motor, an output shaft of the servo motor is connected with a shaft center of the cutting disc to drive the cutting disc to rotate, and the rotating speed of the cutting disc is adjusted.

As a preferable technical solution of the building exterior wall demolition apparatus according to the present invention, a suction pump is further disposed at one side of the water tank, and both ends of the suction pump are respectively communicated with the water tank and the interior of the water collection box, and can suction the liquid inside the water collection box into the water tank.

According to the preferable technical scheme of the building outer wall dismantling device, a plurality of rotatable rollers are fixedly arranged at the outer edge of the side wall of the device body facing the building outer wall, and a wear-resistant rubber pad of a frame structure is further arranged at the outer edge of the side wall of the device body.

As a preferred technical scheme of the building outer wall dismantling device, the spraying assembly can comprise a drain pipe horizontally and fixedly arranged on the inner wall of the device body, and a plurality of spray heads are uniformly arranged on the side wall of the drain pipe.

According to the preferable technical scheme of the building outer wall dismantling device, the spraying assembly comprises a water discharge pipe fixed on the side wall of the vertical adjusting beam frame through a support, the water discharge pipe comprises a telescopic corrugated pipe, and the water discharge pipe is connected with a water supply pipeline of a water tank through the corrugated pipe.

As a preferred technical scheme of the building outer wall dismantling device, a balancing weight is fixedly arranged on the bottom surface, close to the building outer wall, of the device body.

As a preferable technical scheme of the building outer wall dismantling device, a plurality of first hoisting seats are fixedly arranged at the top end of the device body, second hoisting seats are fixedly arranged on the side wall of the device body, and mooring ropes are connected to the first hoisting seats and the second hoisting seats.

According to the preferable technical scheme of the building outer wall dismantling device, the protection plate used for limiting the water tank and the water collecting box is vertically arranged below the guide plate, and the side wall of the device body, which is far away from the building outer wall, is provided with the openable access door which is convenient for workers to overhaul the interior of the device through the rotating shaft.

Compared with the prior art, the invention has the following beneficial effects.

1. The building is demolishd and is increased the cutting disc among the device, and the cutting disc passes through servo motor adjustment rotational speed, through telescopic link and angle accommodate motor adjustment feed volume and cutting gradient, and the cutting disc passes through lead screw adjustment horizontal position and height, is convenient for cut the support components of building outer wall and curtain board, the outer wall separation of being convenient for.

2. The device is through spray assembly to building outer wall humidification during the use, leads to the solid-liquid mixture through the deflector, filters the solid-liquid mixture through the filter, can collect liquid through the header box, and the suction pump can be in the water tank with the liquid suction in the header box after the header box solid-liquid separation that stews, is convenient for make the liquid in the device body carry out the recycle.

3. The device is convenient for in the inseparable laminating of building outer wall during the use for the dust piece that the building outer wall produced when being cut can be collected in the device body, and on the effectual dust of avoiding, rubble fall to the bottom surface, further promotion environmental quality, and the security of building surrounding area.

Drawings

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a side view of the structure of FIG. 1.

FIG. 3 is a schematic cross-sectional view of FIG. 2 according to the present invention.

FIG. 4 isbase:Sub>A schematic view of the present invention along the line A-A in FIG. 2.

FIG. 5 is a schematic view of the present invention along the line B-B in FIG. 2.

Fig. 6 is a schematic structural diagram of another embodiment of the present invention.

FIG. 7 is a schematic view of the present invention along the line C-C of FIG. 6.

In the figure: 1. a device body; 2. a first hoisting seat; 3. a second hoisting seat; 4. a cable; 5. a wear-resistant rubber pad; 6. a roller; 7. a protection plate; 8. a filter plate; 9. a guide plate; 10. a guide rail; 11. a beam frame; 12. a first lead screw; 13. a slider; 14. a vertical adjusting beam frame; 15. an angle adjustment motor; 16. a telescopic rod; 17. a mounting frame; 18. cutting the disc; 19. a servo motor; 20. a counterweight block; 21. a water tank; 22. a water collection box; 23. a suction pump; 24. a drain pipe; 25. a spray head; 26. an access door; 27. a bellows.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-7, the building outer wall dismantling device disclosed by the invention comprises a device body 1 which is provided with an opening facing the building outer wall and used for collecting debris, a plurality of groups of horizontally arranged guide rails 10 are arranged on the inner walls of two sides of the device body 1 from top to bottom, the device body 1 can be provided with a detachable and replaceable filter plate 8 in an embedded manner through the guide rails 10, a cutting device is arranged above the filter plate 8, the cutting device comprises a cutting disc 18 which can rotate and cut the building outer wall, the cutting device further comprises an adjusting assembly used for adjusting the cutting position of the cutting disc 18, and a spraying assembly used for dedusting and humidifying is also arranged above the cutting disc 18.

The filter 8 upwards extends fixedly towards one side of building outer wall and is provided with guide plate 9 for guiding chips, guide plate 9 and filter 8 are components of a split body, guide plate 9 can adopt elastic components, a worker can adjust the inclination angle between guide plate 9 and filter 8, refer to fig. 7, the quantity of filter 8 can also be provided with a plurality of, be convenient for to the rubble, the chips are guided, the below of filter 8 is provided with water collecting box 22 for accommodating solid-liquid mixture, the below of water collecting box 22 is provided with water tank 21 for storing water, the one end of water tank 21 is connected with spray assembly through the pipeline and supplies water to spray assembly, cut the support parts of building outer wall and curtain wall board through cutting disc 18 in this technical scheme, can effectually avoid connecting piece on the building outer wall to cause the interference, be convenient for the worker to separate the building outer wall.

Specifically, the adjusting assembly comprises a beam frame 11 horizontally arranged on the inner wall of the device body 1, a first lead screw 12 capable of rotating around the axis of the beam frame 11 is horizontally arranged on the inner side of the beam frame 11, a sliding block 13 capable of rotating through the first lead screw 12 to displace in a threaded manner is sleeved on the outer wall of the first lead screw 12, a vertical adjusting beam frame 14 is arranged on the vertical surface of the sliding block 13 facing the outer wall, a second lead screw capable of rotating around the axis of the sliding block is vertically arranged in the vertical adjusting beam frame 14, one end, away from the first lead screw 12, of the sliding block 13 can be sleeved on the second lead screw and can displace relative to the second lead screw, the cutting disc 18 can be adjusted in position in the horizontal direction and in the vertical direction through the first lead screw 12 and the second lead screw, the adjusting assembly further comprises an angle adjusting motor 15 for adjusting the inclination angle of the cutting disc 18, one end of the angle adjusting motor 15 is fixedly arranged on the side wall, away from the sliding block 13, an installing frame 16 is fixedly arranged on the output shaft of the angle adjusting motor 15, an installing frame 16 is fixedly arranged on the output shaft of the angle adjusting motor, an installing frame 17 is arranged on the output end of the installing frame 17, and the installing frame 18 is arranged on the rotating shaft for cutting disc for cutting the outer wall capable of rotating for cutting the outer wall; the angle adjusting motor 15 and the telescopic rod 16 are electrically connected with the outside through cables.

The outer wall of the mounting frame 17 is fixedly provided with a servo motor 19, an output shaft of the servo motor 19 is connected with the axis of the cutting disc 18 to drive the cutting disc 18 to rotate, and the rotating speed of the cutting disc 18 is adjusted, wherein the servo motor 19 is electrically connected with the outside through a cable in the embodiment.

Specifically, a suction pump 23 is further disposed on one side of the water tank 21, two ends of the suction pump 23 are respectively communicated with the water tank 21 and the interior of the water collecting box 22, and can suck the liquid in the interior of the water collecting box 22 into the water tank 21, in this embodiment, a pressure pump can also be disposed in the water tank 21, and the pressure pump enables the liquid in the water tank 21 to be delivered into a pipeline by high pressure, so that the liquid is delivered into the drain pipe 24 and discharged through the spray head 25.

Specifically, the fixed gyro wheel 6 that is provided with a plurality of is fixed towards the lateral wall outer fringe department of building outer wall to device body 1, and the lateral wall outer fringe department of device body 1 still is equipped with frame construction's wear-resisting rubber pad 5, and wear-resisting rubber pad 5 makes device body 1 be convenient for with the wall body laminating in this embodiment, and gyro wheel 6 can be more convenient for device body 1 and slide and height-adjusting at the wall body lateral wall, reduces the dust piece that produces when device body 1 height-adjusting simultaneously.

Specifically, referring to fig. 3 and 4, the spraying assembly may include a drain pipe 24 horizontally and fixedly disposed on the inner wall of the device body 1, the side wall of the drain pipe 24 is uniformly provided with a plurality of nozzles 25, in this embodiment, the nozzles 25 may adopt large-aperture nozzles to prevent sand particles in the liquid from blocking the nozzles.

Specifically, referring to fig. 6 and 7, in this case, in another embodiment disclosed in fig. 7 and belonging to the technical solution, the spraying assembly includes a water discharging pipe 24 fixed on the side wall of the vertical adjusting beam frame 14 through a bracket, the water discharging pipe 24 includes a telescopic bellows 27, the water discharging pipe 24 is connected with a water supply pipeline of the water tank 21 through the bellows 27, the bellows 27 structure is adopted in this embodiment to enable the water discharging pipe 24 to follow the cutting disc 18 to adjust the position synchronously, and this way can effectively improve the effective utilization rate of water.

Specifically, the fixed balancing weight 20 that is equipped with in the bottom surface that device body 1 is close to the building outer wall, balancing weight 20 in this embodiment during the use among this technical scheme, can be so that the laminating building outer wall body more of device body 1, the gap department of dust follow device body 1 and outer wall falls when avoiding the outer wall to dismantle.

Specifically, the fixed first hoist and mount seat 2 of a plurality of that is provided with in top of device body 1, the fixed second hoist and mount seat 3 that is provided with of lateral wall of device body 1, all can be connected with hawser 4 in first hoist and mount seat 2 and the second hoist and mount seat 3, because of first hoist and mount seat 2 is connected for the skill commonly used in daily life with another group of hawser 4, the event does not draw in the drawing of this specification another group of hawser 4 and the connection of first hoist and mount seat 2, in this embodiment, hawser 4 passes and transfers the below from second hoist and mount seat 3, the staff can be at the inside pulling hawser 4 of below building, be convenient for make device body 1 be close to the building.

Specifically, the vertical guard plate 7 that is used for spacing to water tank 21 and water collection box 22 that is provided with in below of deflector 9, the lateral wall that device body 1 deviates from in the building outer wall is provided with the access door 26 that the staff of being convenient for that can open and shut overhauls the device inside through the pivot, and guard plate 7 is detachable construction in this embodiment, is located the vertical guide rail that is provided with of inner wall of device body 1, and the vertical spout with guide rail matched with has been seted up to the both sides of guard plate 7, and guard plate 7 cooperatees with the guide rail through spout and guide rail.

The working principle and the using process of the invention are as follows: when the building outer wall dismantling device is used, a worker firstly connects one group of mooring ropes 4 with the first hoisting seat 2 and is used for hoisting the device body 1, then connects the other group of mooring ropes 4 with the second hoisting seat 3, the bottom ends of the mooring ropes 4 connected with the second hoisting seat 3 are placed on the lower layer of a building, the worker pulls the part of the mooring ropes 4 into the building and drags the part of the mooring ropes with force, so that the device body 1 is close to and attached to the side wall of the building towards the outer wall of the building, at the moment, the wear-resistant rubber pads 5 and the rollers 6 are in contact with the outer wall of the building, the wear-resistant rubber pads 5 and the rollers 6 reduce the friction force generated when the height of the device body 1 is adjusted, and a large amount of dust generated by overlarge friction force with the building in the height adjusting process of the device body 1 is avoided.

The method comprises the following steps that workers adopt cutting equipment to cut the building outer wall indoors; at this moment, the device body 1 is lowered through the mooring rope 4 connected with the first hoisting seat 2 and is adjusted to a proper height, water inside the water tank 21 is conveyed into the water discharge pipe 24 through a pipeline and is discharged through the spray head 25 to spray and humidify the wall body outer wall, then the servo motor 19 drives the cutting disc 18 to rotate, and the support component of the building outer wall and the curtain wall board is cut through the highly-rotating cutting disc 18.

When the cutting disc 18 is used, the servo motor 19 can adjust the rotating speed of the cutting disc 18, the telescopic rod 16 can adjust the feeding amount of the cutting disc 18, the angle adjusting motor 15 can adjust the inclination angle of the cutting disc 18, and the vertical adjusting beam frame 14 and the second lead screw and the first lead screw 12 in the beam frame 11 can adjust the height and the horizontal position of the cutting disc 18 when the first lead screw 12 runs.

The chips produced during the rotation of the cutting disc 18 are guided by the guide plates 9 onto the filter plates 8, and at this time after the solid-liquid mixture is filtered by the filter plates 8, the small chips and the liquid are conveyed into the catch box 22, the mixed liquid is settled in the catch box 22, and the suction pump 23 is operated to suck and convey the liquid in the catch box 22 into the water tank 21, so that the water is circulated.

In the description of this patent, it is to be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In this patent, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a building outer wall demolishs device, its characterized in that, including the device body (1) that sets up the opening towards the building outer wall and be used for collecting the piece, device body (1) both sides inner wall from the top down is provided with guide rail (10) that the multiunit level was arranged, device body (1) accessible guide rail (10) gomphosis is provided with filter (8) that can dismantle the change, the top of filter (8) is provided with cutting device, and cutting device includes rotatable and carries out the cutting dish (18) of cutting to the building outer wall, and cutting device still includes the adjusting part who is used for adjusting cutting dish (18) cutting position, the top of cutting dish (18) still is provided with the spray set who is used for the dust removal humidification, filter (8) upwards extend to one side towards the building outer wall and fixedly are provided with deflector (9) to the piece direction, the below of filter (8) is provided with and is used for accomodating solid-liquid mixture water collection box (22), the below of collection box (22) is provided with water tank (21) that are used for the water storage, the one end of water tank (21) is connected with spray set through the pipeline and supplies water to spray set.

2. The exterior wall demolition device for buildings according to claim 1, wherein: the adjusting assembly comprises a beam frame (11) horizontally arranged on the inner wall of the device body (1), wherein a first lead screw (12) capable of rotating around the axis of the beam frame (11) is horizontally arranged on the inner side of the beam frame (11), a sliding block (13) capable of rotating and displacing through the first lead screw (12) is sleeved on the outer wall of the first lead screw (12), a vertical adjusting beam frame (14) is arranged on the sliding block (13) towards the vertical surface of the outer wall, a second lead screw capable of rotating around the axis of the second lead screw is vertically arranged in the vertical adjusting beam frame (14), the sliding block (13) deviates from one end of the first lead screw (12) and can be sleeved on the second lead screw and is relatively displaced with the second lead screw, and the cutting disc (18) is adjusted in position in the horizontal direction and the vertical direction through the first lead screw and the second lead screw.

3. The exterior wall demolition device for buildings according to claim 2, wherein: the adjusting assembly further comprises an angle adjusting motor (15) used for adjusting the inclination angle of the cutting disc (18), one end of the angle adjusting motor (15) is fixedly arranged on the side wall, away from the sliding block (13), of the vertical adjusting beam frame (14), an expansion rod (16) is fixedly arranged on an output shaft of the angle adjusting motor (15), an installation frame (17) is arranged on the output end of the expansion rod (16), and the cutting disc (18) is rotatably installed on the inner side of the installation frame (17) through a rotating shaft and used for cutting an outer wall;

the outer wall of the mounting rack (17) is fixedly provided with a servo motor (19), an output shaft of the servo motor (19) is connected with the axis of the cutting disc (18) to drive the cutting disc (18) to rotate, and the rotating speed of the cutting disc (18) is adjusted.

4. The building exterior wall demolition device according to claim 1, wherein: and a suction pump (23) is further arranged on one side of the water tank (21), and two ends of the suction pump (23) are respectively communicated with the water tank (21) and the interior of the water collecting box (22) and can suck liquid in the water collecting box (22) into the water tank (21).

5. The building exterior wall demolition device according to claim 1, wherein: the device body (1) is fixedly provided with a plurality of rotatable rollers (6) towards the outer edge of the side wall of the building outer wall, and the outer edge of the side wall of the device body (1) is also provided with a wear-resistant rubber pad (5) of a frame structure.

6. The building exterior wall demolition device according to claim 1, wherein: the spraying assembly comprises a drain pipe (24) horizontally and fixedly arranged on the inner wall of the device body (1), and a plurality of spray heads (25) are uniformly arranged on the side wall of the drain pipe (24).

7. The building exterior wall demolition device according to claim 1, wherein: the spraying assembly comprises a water discharging pipe (24) fixed on the side wall of the vertical adjusting beam frame (14) through a support, the water discharging pipe (24) comprises a telescopic corrugated pipe (27), and the water discharging pipe (24) is connected with a water supply pipeline of the water tank (21) through the corrugated pipe (27).

8. The building exterior wall demolition device according to claim 1, wherein: a balancing weight (20) is fixedly arranged on the bottom surface, close to the building outer wall, of the device body (1).

9. The exterior wall demolition device for buildings according to claim 1, wherein: the device is characterized in that a plurality of first hoisting seats (2) are fixedly arranged at the top end of the device body (1), second hoisting seats (3) are fixedly arranged on the side wall of the device body (1), and mooring ropes (4) are connected in the first hoisting seats (2) and the second hoisting seats (3).

10. The building exterior wall demolition device according to claim 1, wherein: the vertical guard plate (7) that is used for to water tank (21) and water collection box (22) spacing that is provided with in below of deflector (9), device body (1) is provided with the access door (26) that the staff of being convenient for overhauls the device inside that can open and shut through the pivot in the lateral wall that deviates from the building outer wall.