CN114525941A

CN114525941A - Building element demolishs equipment

Info

Publication number: CN114525941A
Application number: CN202210432761.9A
Authority: CN
Inventors: 王勇
Original assignee: Yantai Xinlong Construction Engineering Co ltd
Current assignee: Jilin Anji Construction Group Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-05-24
Anticipated expiration: 2042-04-24
Also published as: CN114525941B

Abstract

The invention discloses a building element dismantling device, which comprises a body; the body includes: mounting a plate; the mounting plate is arranged on the lower surface of the body; a collection box; the collecting box is divided into a liquid cavity and a material cavity by a clapboard; a demolition unit; the dismounting unit is arranged on the upper surface of the collecting box; a dust removal unit; the dust removal unit is arranged on the upper surface of the collection box; a roller; the side wall of the right side of the collecting box is fixedly connected with rollers which are uniformly arranged; a control box; the method is mainly used for solving the problems that when the service life of a residential area is too long, the outer wall of the residential area fades, cracks and even falls off, when the residential area is renovated and dismantled for the situation, the residential area can be eradicated by hanging workers, building steel frames, hanging workbenches of cranes and the like, and the outer wall layer is easy to fall off in the eradication process, so that potential safety hazards are caused to pedestrians, and dust is easily generated to pollute the living environment of residential areas when the residential area is eradicated.

Description

Building element demolishs equipment

Technical Field

The invention belongs to the technical field of building material dismantling, and particularly relates to a building component dismantling device.

Background

The building member refers to each element constituting a building. If a building is considered as a product, the building component refers to the part in the product, such as general house building, which is composed of main components such as foundation, wall, column, beam, floor and ground, stairs, door and window, roof and auxiliary accessory facilities. The auxiliary components of the house building comprise: elevators, ventilation ducts, flues, balconies, plinths, water dispersion, awnings, steps, cornices (gutter), rainwater pipes, outer wall surface painting decoration and the like.

The plastering decoration of the outer wall is a main component in a house component, has the aims of improving the aesthetic property of a building, improving the capability of a wall body for resisting various factors in nature, such as the capability of resisting invasion and damage of dust, rain, snow, ice, sunshine and the like, and meeting the functional requirements of heat preservation, heat insulation, sound insulation, water prevention, beautification and the like together with a wall body structure. Therefore, the painting decoration of the outer wall has the double functions of protecting the wall and beautifying the wall.

However, when the service life of a residential area is too long, the outer wall of the residential area can fade, crack or even fall off, however, when the residential area is repaired and removed, generally, a scaffold is erected on the outer wall surface to be removed, mesh safety nets are completely wrapped on the outer side surface of the scaffold, the safety nets are connected with the scaffold through ropes between every two layers of the scaffold, so that even if the removed fragments roll to the outer side of the scaffold accidentally, the fragments can be effectively blocked by the safety nets, the falling accident of an object can be prevented, then a worker climbs the scaffold, ties the safety ropes, and then removes materials painted on the outer wall surface by using a special tool;

or, the material for plastering the outer wall surface is removed by using an electric tool, such as a commercially available wall shoveling machine, but the whole process needs manual operation, and such as a patent with the patent number of 2018216844259 and the patent name of a wall leather shoveling machine, the shoveled wall leather is collected by arranging a wall leather crushing device, and a shoveling device and a rotary wall breaking device are arranged to shovel the wall for the second time, and meanwhile, the collecting cover and the shoveling plate are used for collecting the wall leather;

however, we find in the actual operation process, if the material that the outer wall whitewashed is demolishd manually, after demolising, still need reuse the wrapping bag to pack and collect, and transport to appointed place, the amount of labour has been increased, and in the whole time limit for a project that outer wall whitewashed material demolishs, demolish the dust that produces and can directly influence owner's quality of life in the district, if use commercially available wall shoveling machine, whole journey needs manually, and from the structural design analysis of equipment in the patent that discloses, it needs the secondary or carry out the clearance of outer wall whitewashed material to same position many times, and wet the wall in advance and can make the stickness of outer wall whitewashed material, be not convenient for clearance.

In view of this, in order to solve the problems found in the practical operation process, the invention provides a building element dismantling device.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a building element dismantling device, and the technical scheme adopted for solving the technical problems is as follows:

a building element demolition apparatus comprising a body; the body includes:

mounting a plate; the mounting plate is arranged on the lower surface of the body, and through holes which are uniformly distributed are formed in the mounting plate;

a collection box; the collecting box is divided into a liquid cavity and a material cavity by a clapboard;

a demolition unit; the dismounting unit is arranged on the upper surface of the collecting box, and the angle between the dismounting unit and the upper surface of the collecting box is one hundred twenty degrees;

a dust removal unit; the dust removal unit is arranged on the upper surface of the collection box and is positioned on one side of the dismantling unit;

a roller; the side wall of the collecting box is provided with uniformly arranged rollers;

a control box; the control box is arranged on the upper surface of the collecting box, is positioned at the left side of the dust removal unit and is used for controlling the dismantling unit and the dust removal unit; and a controller and a rechargeable power supply are arranged in the control box.

Further, the detaching unit includes:

a support plate; the supporting plate is fixedly connected with the upper surface of the collecting box, and the angle between the supporting plate and the upper surface of the collecting box is one hundred twenty degrees;

dismantling the block; the dismounting block is hinged with the supporting plate through a rotating shaft, and the rotating angle of the dismounting block is fifteen degrees of leftward rotation by taking the left end face of the supporting plate as a reference;

a drive roller; the driving roller is rotationally connected in the inner wall of the dismantling block and is fixedly connected with a rotating shaft of the motor; the outer surface of the driving roller is provided with arc-shaped grooves which are uniformly distributed, and each arc-shaped groove is communicated end to end;

a chute; a chute is formed above the driving roller in an inclined manner;

a slide plate; the sliding block is connected in the sliding groove in a sliding mode, and the length of the sliding plate is smaller than that of the sliding groove;

a slider; the lower surface of the sliding plate is fixedly connected with sliding blocks which are uniformly arranged and are in sliding connection with the arc-shaped grooves;

a cutter; the upper surface of the sliding plate is fixedly connected with cutters which are uniformly arranged;

the dust removal unit includes:

an inverted L-shaped plate; the inverted L-shaped plate is fixedly connected to the upper surface of the collecting box; the two sides of the inverted L-shaped plate are provided with baffles;

a nozzle; the right end face of the inverted L-shaped plate is fixedly connected with nozzles which are uniformly arranged;

a liquid pump; the liquid pump liquid pumping pipe is fixedly connected to the upper surface of the collecting box and extends into the liquid cavity, and the liquid outlet pipe is communicated with the nozzle;

a protection plate; the protection plate slides in the inner wall of the inverted L-shaped plate through a spring, and one side of the protection plate, which is far away from the inverted L-shaped plate, is rotatably connected with a roller through a rotating shaft;

a feed inlet is formed in the inner wall of the top of the collecting box, and the feed inlet is close to the design of the supporting plate.

Further, a first conveyor belt is rotatably connected below the feed inlet through a rotating shaft and is driven by a motor; the first conveyor belt is designed to incline to the left; and a pair of rolling rollers is rotatably connected below the first conveyor belt through a motor.

Further, a second conveyor belt is connected below the rolling roller in a rotating mode through a motor, and the second conveyor belt is inclined towards the right; uniformly distributed filter holes are formed in the inner wall of the second conveyor belt; and a third conveyor belt is fixedly connected above the second conveyor belt, and an included angle between the third conveyor belt and the second conveyor belt is gradually reduced from left to right.

Further, the left side of the second conveyor belt is fixedly connected with a rectangular plate; the right end face of the rectangular plate is fixedly connected with an arc-shaped plate, and the arc-shaped plate is attached to the upper surface of the second conveying belt.

Further, the length of the upper roller is smaller than that of the lower roller;

the number of the mounting plates is two, the mounting plates are respectively arranged at the left side and the right side of the collecting box, and the thickness of the left side mounting plate is larger than that of the right side mounting plate;

the mounting plate is connected with the collecting box through a compression spring.

The invention has the following beneficial effects:

1. according to the building component dismantling equipment, the body moves upwards, in the process of removing the cracked part of the outer wall, the extending protection plate and the roller can abut against the cracked outer wall body above the cutter, the cracked outer wall body above the cutter can be prevented from falling off in advance due to wall vibration in the process, meanwhile, under the action of the inverted L-shaped plate, the baffle and the protection plate, dust generated in dismantling can be prevented from diffusing to pollute the living environment of a residential area, in the process of controlling the cutter to work by the controller, the liquid pump is controlled to work at the same time, water in the liquid cavity can be pumped out and sprayed out through the nozzle in the working process of the liquid pump, and after the water is sprayed out, the water can be sprayed to the cutter, so that dust generated by the cutter in the process of removing the cracked outer wall is prevented, and the generation of the dust is further reduced.

2. According to the building component dismantling device, after the shoveled outer wall and water enter the material port, the first conveyor belt rotates to move the outer wall to the position above the rolling rollers and fall between the pair of rolling rollers, the controller controls the rolling rollers to rotate oppositely, the blocky outer wall can be crushed in the process, the size of the dismantled outer wall can be prevented from being overlarge and stacked in the material box, so that the storage capacity of the material cavity is reduced, after the outer wall is crushed, crushed materials and water fall on the second conveyor belt, and then the crushed materials and the water can uniformly fall on the second conveyor belt in the rotating process of the second conveyor belt, because the second conveyor belt is provided with uniformly arranged filter holes, the water falling on the second conveyor belt can fall into the liquid cavity through the filter holes, the crushed materials can move along with the second conveyor belt, and because the included angle between the third conveyor belt and the second conveyor belt is gradually reduced from left to right, when the crushed aggregates moved to the right side gradually, can extrude the crushed aggregates gradually, extrude water, the water after extruding can flow on the inclined plane of second conveyer belt and fall into the liquid intracavity afterwards, can reduce the waste of water at this in-process, and the operating duration of improvement liquid case can fall into the material intracavity and store when the crushed aggregates removed to second conveyer belt right side.

3. According to the building component dismantling equipment, because the length of the upper roller is smaller than that of the lower roller, and because the thickness of the left side mounting plate is larger than that of the right side mounting plate, when the body is close to a wall surface, the upper and lower rollers can be in contact with the wall surface, and the cutter is inclined to be aligned with the outer wall body, so that the situation that the body cannot be dismantled from the root of the cracked outer wall body when moving upwards can be prevented.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of the invention at B in FIG. 2;

FIG. 5 is an enlarged view of a portion of the invention at C of FIG. 2;

FIG. 6 is a cross-sectional view of the drive roller and sled assembly of the present invention;

in the figure: 1. a body; 11. mounting a plate; 12. a collection box; 13. a roller; 14. a control box; 15. a partition plate; 16. a feed inlet; 17. a liquid chamber; 18. a material cavity; 2. a demolition unit; 21. a support plate; 22. dismantling the blocks; 23. a drive roller; 24. a chute; 25. a slide plate; 26. a slider; 27. a cutter; 28. an arc-shaped slot; 3. a dust removal unit; 31. an inverted L-shaped plate; 32. a nozzle; 33. a liquid pump; 34. a protection plate; 35. a roller; 36. a first conveyor belt; 37. rolling a roller; 38. a second conveyor belt; 39. a third conveyor belt; 4. a rectangular plate; 41. an arc-shaped plate.

Detailed Description

As shown in fig. 1 to 6, a construction element demolition apparatus according to the present invention includes a body 1;

the body 1 comprises a mounting plate 11; the mounting plate 11 is arranged on the lower surface of the body 1, and through holes which are uniformly distributed are formed in the mounting plate 11;

a collection tank 12; the collecting box 12 divides the collecting box 12 into a liquid cavity 17 and a material cavity 18 through a clapboard 15;

dismantling unit 2; the dismounting unit 2 is arranged on the upper surface of the collecting box 12, and the angle between the dismounting unit 2 and the upper surface of the collecting box 12 is one hundred twenty degrees;

as shown in fig. 1 and 2, further comprises a dust removal unit 3; the dust removal unit 3 is arranged on the upper surface of the collection box 12 and is positioned on one side of the dismantling unit 2;

a roller 13; the side wall of the collecting box 12 is provided with rollers 13 which are uniformly arranged;

a control box 14; the control box 14 is arranged on the upper surface of the collection box 12 and at the left side of the dust removal unit 3 and is used for controlling the dismantling unit 2 and the dust removal unit 3; a controller and a rechargeable power supply are arranged in the control box 14;

the demolition unit 2 comprises:

a support plate 21; the supporting plate 21 is fixedly connected with the upper surface of the collecting box 12, and the angle between the supporting plate 21 and the upper surface of the collecting box 12 is one hundred twenty degrees;

the block 22 is removed; the dismounting block 22 is hinged with the support plate 21 through a rotating shaft, and the rotating angle of the dismounting block 22 is fifteen degrees of left rotation by taking the left end face of the support plate 21 as a reference;

a drive roller 23; the driving roller 23 is rotatably connected in the inner wall of the dismounting block 22, and the driving roller 23 is fixedly connected with a rotating shaft of the motor; the outer surface of the driving roller 23 is provided with arc-shaped grooves 28 which are uniformly distributed, and each arc-shaped groove 28 is communicated end to end;

a chute 24; a chute 24 is arranged obliquely above the driving roller 23;

a slide plate 25; a slide block 26 is connected in the slide groove 24 in a sliding manner, and the length of the slide plate 25 is smaller than that of the slide groove 24;

a slider 26; the lower surface of the sliding plate 25 is fixedly connected with sliding blocks 26 which are uniformly arranged, and the sliding blocks 26 are all in sliding connection with the arc-shaped grooves 28;

a cutter 27; the upper surface of the sliding plate 25 is fixedly connected with cutters 27 which are uniformly arranged;

the dust removing unit 3 includes:

an inverted "L" shaped plate 31; the inverted L-shaped plate 31 is fixedly connected to the upper surface of the collecting box 12; the two sides of the inverted L-shaped plate 31 are provided with baffles;

a nozzle 32; the right end face of the inverted L-shaped plate 31 is fixedly connected with nozzles 32 which are uniformly arranged;

a liquid pump 33; the liquid pump 33 is fixedly connected with the upper surface of the collecting box 12, a liquid pumping pipe extends into the liquid cavity 17, and a liquid outlet pipe is communicated with the nozzle 32;

a guard plate 34; the protection plate 34 slides in the inner wall of the inverted L-shaped plate 31 through a spring, and one side of the protection plate 34, which is far away from the inverted L-shaped plate 31, is rotatably connected with a roller 35 through a rotating shaft;

a feed inlet 16 is arranged in the inner wall of the top of the collecting box 12, and the feed inlet 16 is designed to be close to the support plate 21;

when the invention is used, the body 1 can be fixedly connected to the elevator through the mounting plate 11 and the bolts, after the body 1 is mounted on the elevator, the elevator is controlled to slowly and uniformly drive the body 1 to move upwards, when the body is moved to the position below an outer wall needing to be dismantled, the elevator is moved to be close to the outer wall, the roller 13 is attached to the wall surface, and meanwhile, the body 1 is continuously driven to move upwards slowly and uniformly;

when the roller 13 rolls along the outer wall in the moving process of the body 1 and gradually approaches to the position of the outer wall to be removed, the controller controls the operation of the removing unit 2 and the dust removing unit 3, when the demolition unit 2 contacts the exterior wall to be demolished during the operation of the demolition unit 2, the demolition unit 2 then demolishes the cracked layer of the exterior wall and slides into the material cavity 18, during which the demolished cracked layer is prevented from falling to the ground, potential safety hazards are caused to the community owners, meanwhile, the controller controls the dust removal unit 3 to work, the water flow can be sprayed in the working process of the dust removal unit 3, in the process of removing the cracked layer by the removing unit 2, water flow can be sprayed at the removing position, dust can be prevented from being generated in the removing process, the pollution to the living environment of the householder in the community is caused, when the materials in the collecting box 12 are filled, the body 1 is put down and the materials are taken out for shoveling again;

the lifter used in the invention can be a scissor lifter or a hydraulic lifter, and can be reasonably selected according to the working requirements during actual use, and before use, a threaded hole can be preset on the workbench of the lifter, so that the body 1 can be conveniently installed with the lifter through the installation plate 11.

Specifically, when the demolition unit 2 and the dust removal unit 3 work, and when the outer wall is gradually close to a part to be demolished, firstly, the controller controls the motor fixedly connected with the driving roller 23 to rotate, so as to drive the driving roller 23 to rotate, because the arc-shaped groove 28 on the driving roller 23 is in sliding connection with the sliding block 26, the sliding block 26 and the sliding plate 25 can be driven to slide back and forth in the sliding groove 24 in the rotating process of the driving roller 23, the cutter 27 can be driven to move back and forth in the sliding process of the sliding plate 25, and the cracked outer wall can be shoveled and slid into the material cavity 18 in the collection box 12 along the support plate 21 in the back and forth moving process of the cutter 27;

then, after the body 1 is close to the outer wall, because the protection plate 34 is in sliding connection with the inverted L-shaped plate 31 through the spring, the rollers 35 on the protection plate 34 are attached to the outer wall, and in the process that the body 1 moves upwards and the cracked part of the outer wall is removed, the extended protection plate 34 and the rollers 35 can abut against the cracked outer wall above the cutter 27, so that the cracked outer wall above the cutter 27 can be prevented from falling off in advance due to vibration of the wall in the process;

next, under the action of the inverted L-shaped plate 31, the baffle plate and the protection plate 34, the dust diffusion generated during dismantling can be reduced, the living environment of a residential area is polluted, the life quality of an owner is affected, in the process that the controller controls the cutter 27 to work, the liquid pump 33 is controlled to work, in the process that the liquid pump 33 works, water in the liquid cavity 17 can be pumped out and sprayed out through the nozzle 32, after the water is sprayed out, the water can be sprayed to the cutter 27, so that the cutter 27 is prevented from generating dust when a cracked outer wall is shoveled, the generation of the dust is further reduced, meanwhile, part of water can return into the liquid tank of the collection box 12 through the feed port 16 along with the shoveled outer wall, after the material cavity 18 in the collection box 12 is filled, the controller controls the driving roller 23 and the liquid pump 33 to stop working and controls the elevator to move downwards, because the rotation angle of the dismantling block 22 rotates fifteen degrees leftwards along the left end face of the support plate 21 as a reference, when the elevator moves downwards, the dismantling block 22 can rotate leftwards, so that the cutter 27 cannot be damaged, when the body 1 moves to the ground, the material is manually taken out, and water is added to continue dismantling the outer wall;

therefore, through above-mentioned design, this building element demolishs equipment, can solve the material that the outer wall face whitewashed and be eradicated the back, still need reuse the wrapping bag to pack and collect to transport to appointed place, increased the amount of labour, and in the whole time limit for a project that outer wall face whitewashed material was eradicated, the dust of eradicating the production can directly influence the problem of the quality of life of owner in the district.

In one embodiment of the present invention, a first conveyor belt 36 is rotatably connected below the feed inlet 16 through a rotating shaft, and the first conveyor belt 36 is driven by a motor; the first conveyor belt 36 is designed to be inclined to the left; a pair of rolling rollers 37 are rotatably connected below the first conveyor belt 36 through a motor;

during operation, because feed inlet 16 below is equipped with first conveyer belt 36, after the outer wall body after being shoveled off gets into the material mouth with water, first conveyer belt 36 rotates to remove the outer wall body to rolling roller 37 top, and fall between a pair of rolling roller 37, controller control rolling roller 37 rotates in opposite directions, can crush the outer wall body of blocking at this in-process, can prevent that the outer wall body volume of dismantling is too big to pile up in the workbin at this in-process, thereby reduces the memory space of material chamber 18.

In one embodiment of the present invention, a second conveyor belt 38 is rotatably connected below the rolling roller 37 by a motor, and the second conveyor belt 38 is designed to be inclined to the right; uniformly arranged filter holes are formed in the inner wall of the second conveyor belt 38; a third conveyor belt 39 is fixedly connected above the second conveyor belt 38, and an included angle between the third conveyor belt 39 and the second conveyor belt 38 is gradually reduced from left to right;

in operation, as the outer wall is crushed, the particles and water fall onto the second conveyor belt 38, and then, during rotation of the second conveyor belt 38, the particles and water can be made to fall onto the second conveyor belt 38 uniformly, due to the evenly arranged filter holes in the second conveyor belt 38, water falling onto the second conveyor belt 38 will fall through the filter holes into the liquor chamber 17, the small pieces will follow the second conveyor belt 38 to the right, since the angle between the third conveyor belt 39 and the second conveyor belt 38 gradually decreases from left to right, as the small pieces gradually move to the right, the small pieces are gradually squeezed, water is squeezed out, the squeezed water flows on the inclined surface of the second conveyor belt 38 and then falls into the liquid chamber 17, in this process, water waste is reduced and the tank operating time is increased, and the crushed material falls into the material chamber 18 for storage as it moves to the right side of the second conveyor belt 38.

In one embodiment of the invention, the left side of the second conveyor belt 38 is fixedly connected with a rectangular plate 4; the end face of the right side of the rectangular plate 4 is fixedly connected with an arc-shaped plate 41, and the arc-shaped plate 41 is attached to the upper surface of the second conveyor belt 38;

during operation, because the arc plate 41 that links firmly on the rectangular plate 4 and the second conveyer belt 38 upper surface laminating, when the crushed aggregates dropped to the second conveyer belt 38 on, can block the crushed aggregates, prevent that the crushed aggregates from dropping to in the sap cavity 17.

In one embodiment of the present invention, the length of the upper roller 13 is less than the length of the lower roller 13;

the number of the mounting plates 11 is two, the mounting plates are respectively arranged at the left side and the right side of the collecting box 12, and the thickness of the mounting plate 11 at the left side is larger than that of the mounting plate 11 at the right side;

the mounting plate 11 and the collecting box 12 are connected through a compression spring;

in operation, because top gyro wheel 13 length is less than below gyro wheel 13 length, and because the thickness of left side mounting panel 11 is greater than the thickness of right side mounting panel 11, when body 1 is close to the wall, can make the gyro wheel 13 of upper and lower both sides all contact with the wall, make cutter 27 slope aim at the outer wall body simultaneously, can prevent body 1 when the rebound at this in-process, can't demolish from the outer wall root that ftractures, simultaneously because all be connected through compression spring between mounting panel 11 and the collecting box 12, when cutter 27 is demolising the outer wall body that ftractures, through setting up compression spring, can further make cutter 27 carry out the shovel to its outer wall root that ftractures, simultaneously can also have certain cushioning effect by body 1, prevent that the too big not cushion of the barrier force that cutter 27 received when shoveling the fracture wall body, make cutter 27 take place to damage.

The foregoing embodiments illustrate and describe the principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A building element demolition apparatus; comprises a body (1) and a mounting plate (11); the mounting plate (11) is arranged on the lower surface of the body (1), and through holes which are uniformly distributed are formed in the mounting plate (11); a collection tank (12); the collecting box (12) divides the collecting box (12) into a liquid cavity (17) and a material cavity (18) through a clapboard (15); the method is characterized in that: and also comprises

A demolition unit (2); the dismounting unit (2) is arranged on the upper surface of the collecting box (12), and the angle between the dismounting unit (2) and the upper surface of the collecting box (12) is one hundred twenty degrees;

a dust removal unit (3); the dust removal unit (3) is arranged on the upper surface of the collection box (12) and is positioned on one side of the dismantling unit (2);

a roller (13); the side wall of the collecting box (12) is provided with uniformly arranged rollers (13);

a control box (14); the control box (14) is arranged on the upper surface of the collection box (12), is positioned at the left side of the dust removal unit (3), and is used for controlling the dismantling unit (2) and the dust removal unit (3); the control box (14) is internally provided with a controller and a rechargeable power supply.

2. A building element demolition apparatus as claimed in claim 1, wherein: the demolition unit (2) comprises:

a support plate (21); the supporting plate (21) is fixedly connected with the upper surface of the collecting box (12), and the angle between the supporting plate and the upper surface of the collecting box (12) is one hundred twenty degrees;

-removing the block (22); the dismounting block (22) is hinged with the support plate (21) through a rotating shaft, and the rotation angle of the dismounting block (22) is fifteen degrees of left rotation along the left end face of the support plate (21);

a drive roller (23); the driving roller (23) is rotatably connected in the inner wall of the dismantling block (22), and the driving roller (23) is fixedly connected with a rotating shaft of the motor; the outer surface of the driving roller (23) is provided with arc-shaped grooves (28) which are uniformly distributed, and each arc-shaped groove (28) is communicated end to end;

a chute (24); a sliding groove (24) is formed obliquely above the driving roller (23);

a slide plate (25); a sliding block (26) is connected in the sliding groove (24) in a sliding manner, and the length of the sliding plate (25) is smaller than that of the sliding groove (24);

a slider (26); the lower surface of the sliding plate (25) is fixedly connected with sliding blocks (26) which are uniformly arranged, and the sliding blocks (26) are in sliding connection with the arc-shaped grooves (28);

a cutter (27); the upper surface of the sliding plate (25) is fixedly connected with cutters (27) which are uniformly arranged.

3. A building element demolition apparatus as claimed in claim 1, wherein: the dust removal unit (3) comprises:

an inverted L-shaped plate (31); the inverted L-shaped plate (31) is fixedly connected to the upper surface of the collecting box (12); both sides of the inverted L-shaped plate (31) are provided with baffles;

a nozzle (32); the right side end face of the inverted L-shaped plate (31) is fixedly connected with nozzles (32) which are uniformly arranged;

a liquid pump (33); the liquid pump is fixedly connected to the upper surface of the collecting box (12), a liquid pumping pipe of the liquid pump (33) extends into the liquid cavity (17), and a liquid outlet pipe is communicated with the nozzle (32);

a guard plate (34); the protection plate (34) slides in the inner wall of the inverted L-shaped plate (31) through a spring, and one side, far away from the inverted L-shaped plate (31), of the protection plate (34) is rotatably connected with a roller (35) through a rotating shaft.

4. A building element demolition apparatus as claimed in claim 1, wherein: a feed inlet (16) is formed in the inner wall of the top of the collecting box (12), and the feed inlet (16) is designed to be close to the supporting plate (21).

5. A building element demolition apparatus according to claim 4, characterised in that: a first conveying belt (36) is rotatably connected below the feeding hole (16) through a rotating shaft, and the first conveying belt (36) is driven by a motor; the first conveyor belt (36) is inclined to the left; a pair of rolling rollers (37) is rotatably connected below the first conveyor belt (36) through a motor.

6. A building element demolition apparatus according to claim 5, characterised in that: a second conveyor belt (38) is rotationally connected below the rolling roller (37) through a motor, and the second conveyor belt (38) is inclined to the right; uniformly arranged filter holes are formed in the inner wall of the second conveyor belt (38); and a third conveyor belt (39) is fixedly connected above the second conveyor belt (38), and an included angle between the third conveyor belt (39) and the second conveyor belt (38) is gradually reduced from left to right.

7. A building element demolition apparatus as claimed in claim 6, wherein: the left side of the second conveyor belt (38) is fixedly connected with a rectangular plate (4); the right side end face of the rectangular plate (4) is fixedly connected with an arc-shaped plate (41), and the arc-shaped plate (41) is attached to the upper surface of the second conveyor belt (38).

8. A building element demolition apparatus as claimed in claim 1, wherein: the length of the upper roller (13) is less than that of the lower roller (13).

9. A building element demolition apparatus as claimed in claim 1, wherein: the number of the mounting plates (11) is two, the mounting plates are respectively arranged at the left side and the right side of the collecting box (12), and the thickness of the mounting plate (11) at the left side is larger than that of the mounting plate (11) at the right side.

10. A building element demolition apparatus as claimed in claim 9, wherein: the mounting plate (11) and the collecting box (12) are connected through a compression spring.