CN211099230U - Construction waste crusher - Google Patents

Abstract

The utility model relates to a construction waste crusher, which comprises a shell, wherein a first interlayer divides the shell into a first operation space and a second operation space, a second interlayer divides the second operation space into a rolling chamber and a control chamber, and the construction waste crusher further comprises an extrusion mechanism arranged in the first operation space, the extrusion mechanism comprises a first extrusion block and a second extrusion block, and further comprises a first hydraulic cylinder and a second hydraulic cylinder, the first extrusion block is fixedly connected with an expansion link of the first hydraulic cylinder, and the first hydraulic cylinder is fixed on the left side wall of the shell; the second extrusion block is fixedly connected with a telescopic rod of a second hydraulic cylinder, and the second hydraulic cylinder is fixed on the right side wall of the shell; including the top pushing mechanism, the top pushing mechanism is including fixing the third pneumatic cylinder at lateral wall medial surface before the casing and fixing the push pedal at the telescopic link tip of third pneumatic cylinder, still includes the mechanism of rolling, and the first roller and the second roller that rolls that roll the mechanism including controlling and setting up side by side are provided with feed inlet, first discharge gate, second discharge gate on the casing.

Description

A construction waste shredder

technical field

The utility model relates to the technical field of construction waste treatment, in particular to a construction waste crusher.

Background technique

Construction waste, also known as construction waste, refers to the muck, spoil, waste material and silt generated during the construction, laying or dismantling, and repairing of various buildings, structures, pipe networks, etc. by construction units or individuals. and other waste. With the acceleration of industrialization and urbanization, the construction industry has also developed rapidly at the same time, and the accompanying construction waste is increasing. According to incomplete statistics, the amount of construction waste in my country has accounted for 30% of the total urban waste- 40%. According to the standard of 500-600 tons/10,000 square meters, by 2020, my country will add about 30 billion square meters of construction area, and the newly generated construction waste will be a shocking figure.

However, the vast majority of construction wastes are transported to the suburbs or villages by construction units without any treatment, and are piled up or landfilled in the open air, which consumes a lot of construction funds such as land requisition fees and waste removal fees. In addition, the problems of dust, dust, and flying lime and sand have caused serious environmental pollution. Not only that, the generated construction waste often includes steel bars and iron sheets wrapped with concrete. If the steel bars and iron sheets in these construction wastes are directly discarded, it will not only hinder the treatment of construction waste, but also cause waste of materials.

Utility model content

In view of this, the purpose of the present utility model is to provide a construction waste shredder, to solve the problems of material waste caused by the construction waste occupying a large space in the prior art, the construction waste is not easy to handle, and the reinforced iron sheet cannot be screened out. .

In order to achieve the above-mentioned purpose, the technical scheme adopted by the construction waste crusher of the present utility model is:

A construction waste shredder, comprising:

Shell: rectangular;

The first compartment: divides the rectangular housing into a first operating space at the upper part and a second operating space at the lower part;

Second compartment: divides the second operating space into a rolling room at the front and a control room at the back;

Squeeze mechanism: set in the first operating space, including a first squeeze block and a second squeeze block that can move relatively in the left-right direction, and a first hydraulic cylinder and a second hydraulic cylinder, the first squeeze block and the The telescopic rod of the first hydraulic cylinder is fixedly connected, the first hydraulic cylinder is fixed on the inner side of the left side wall of the casing; the second extrusion block is fixedly connected with the telescopic rod of the second hydraulic cylinder, and the second hydraulic cylinder is fixed on the casing On the inner side of the right side wall of the body;

Pushing mechanism: set in the first operating space, including a third hydraulic cylinder fixed on the inner side of the front side wall of the casing and a pushing plate fixed at the end of the telescopic rod of the third hydraulic cylinder;

Rolling mechanism: the rolling chamber arranged in the second operation space, including the first rolling roller and the second rolling roller arranged side by side, the first rolling roller rotates clockwise, and the second rolling roller rotates counterclockwise;

Feed port: set at the top of the shell;

The first discharge port: set at the bottom of the shell and just below the rolling structure, used for the discharge of the crushed waste slag;

The second discharge port: set on the rear side wall of the shell and corresponding to the front and rear of the push plate, used for the discharge of steel bars in the waste;

The first partition layer includes a mesh screen arranged at intervals between the first operation space and the rolling chamber, and a partition plate arranged at intervals between the first operation space and the control chamber;

A transmission motor and a controller are arranged in the control room, the transmission motor is connected with the first rolling roller and the second rolling roller, the controller is controlled and connected with the transmission motor, and the controller is also connected with the first hydraulic cylinder, the second hydraulic cylinder and the The third hydraulic cylinder controls the connection, so that the pushing mechanism starts to push after the extrusion mechanism is repeatedly squeezed and reset;

After repeated extrusion by the extrusion mechanism, the cement blocks in the waste are squeezed out from the steel bars. The squeezed cement blocks enter the rolling chamber through the mesh screen, and after rolling, they become cement slag and then exit from the first discharge port. After discharge, the steel bars in the first operation space will be pushed out from the second outlet by the pushing mechanism.

The beneficial effects of the above technical solutions are: the construction waste crusher of the present utility model can crush the construction waste through the extrusion mechanism of the first operation space and the rolling mechanism of the rolling chamber, so that the crushed construction waste can be crushed. Discharge from the first discharge port. Not only that, if the construction waste is mixed with steel bars and other structures, after repeated extrusion by the extrusion mechanism, the cement blocks adhered to the steel bars will be squeezed out, and the steel bars will be pushed out of the first place by the push mechanism. The top of the second discharge port pushes out the crusher. It not only realizes the crushing of construction waste, but also can screen out the recyclable structure and crushed construction waste in the construction waste, avoiding the waste of materials.

Further, a storage chamber is arranged in the rolling chamber, and the storage chamber is arranged below the mesh screen. The storage chamber is used to temporarily store the extruded construction waste blocks. The front wall, the left wall welded on the inner wall of the left side wall of the shell, the right wall welded on the inner wall of the right wall of the shell, and the rear wall welded on the side wall of the second compartment facing the rolling chamber Each enclosure plate surrounds a discharge opening below the storage chamber, and a baffle plate that can be opened and closed is arranged on the discharge opening.

Beneficial effect: The volume of the construction waste squeezed by the squeezing mechanism is reduced to a certain extent, so that it can leak from the first operation space to the storage room through the mesh screen, so as to avoid the squeezed construction waste from directly leaking to the storage room. The rolling chamber creates enormous pressure for the rolling of the rolling rollers.

Further, the baffle includes a left opening and closing plate hingedly arranged at the lower end of the left enclosure plate and a right opening and closing plate hingedly arranged at the lower end of the right enclosure plate. Opening and closing; the bottom surface of the left opening and closing plate is welded with a left telescopic rod, the other end of the left telescopic rod is fixed on the left side wall of the shell, the bottom surface of the right opening and closing plate is welded with a right telescopic rod, and the other end of the right telescopic rod is fixed on the shell On the right side wall of the body, the left telescopic rod and the right telescopic rod are both controlled and connected with the controller.

Beneficial effects: the left opening and closing door and the right opening and closing door can be opened and closed, and also have a certain pressure bearing capacity.

Further, a pressure sensor is fixedly arranged on the left opening and closing plate and the right opening and closing plate, and the pressure sensor is electrically connected with the controller.

Beneficial effects: it is convenient to detect the pressure on the left opening and closing plate and the right opening and closing plate.

The storage room is in the shape of a truncated cone, the upper part is large and the lower part is small; The plate is obliquely welded on the inner wall surface of the right side wall of the casing, and the rear wall is obliquely welded on the side wall of the second partition facing the rolling chamber.

Beneficial effect: the construction waste in the storage room can be fed more accurately between the first rolling roller and the second rolling roller in the rolling room.

The surface of the first extruding block facing the second extruding block is provided with extruding teeth, and the surface of the second extruding block facing the first extruding block is provided with extruding teeth.

Beneficial effects: increase the extrusion strength of the first extrusion block and the second extrusion block.

A vibration motor is driven and connected to the mesh screen, and the vibration motor is arranged in the control room and is controlled and connected with the controller.

Beneficial effects: the mesh screen can be vibrated, so that the construction waste blocks on the mesh screen can be conveniently dropped into the storage room.

The second discharge port is hingedly provided with a shutter for covering the second discharge port.

Beneficial effects: avoid dust in the crusher from flying out from the second discharge port to cause pollution to the environment.

The control room includes upper and lower layers, the upper layer is used to place the controller, and the lower layer is used to place the transmission motor and the vibration motor.

Beneficial effects: it is convenient to realize the separate placement of the controller, the transmission motor and the vibration motor.

The bottom of the casing is provided with a support leg, and a universal wheel is fixed on the support leg.

Beneficial effect: It is convenient to realize the transfer of the crusher.

Description of drawings

1 is a front perspective view of a construction waste shredder of the present invention;

2 is a right perspective view of the construction waste crusher of the present invention.

Reference numerals: 1-housing; 2-first operating space; 3-storage chamber; 4-rolling chamber; 5-first extrusion block; 6-second extrusion block; 7-first hydraulic cylinder; 8-Second hydraulic cylinder; 9-Left telescopic rod; 10-Right telescopic rod; 11-Mesh screen; 12-First rolling roller; 13-Second rolling roller; 14-Feed port; 15-First Discharge port; 16- universal wheel; 17- control room; 18- push plate; 19- third hydraulic cylinder; 20- door; 21- partition plate; 22- slide plate; 23- controller; 24- transmission motor.

Detailed ways

The construction waste shredder of the present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

The specific embodiment of the construction waste shredder is shown in FIG. 1 and FIG. 2 , including a rectangular shell 1, and the first partition divides the rectangular shell 1 into a first operation space 2 and a second operation space. The first operation space The space 2 is located at the upper part of the rectangular casing 1 , and the second operating space is located at the lower part of the rectangular casing 1 . The second partition divides the second operation space into the rolling room 4 and the control room 17 , the rolling room 4 is located at the front of the second operation space, and the control room 17 is located at the rear side of the rolling room 4 .

The first operation space 2 is provided with a pressing mechanism. The pressing mechanism includes a first pressing block 5 and a second pressing block 6. The first pressing block 5 and the second pressing block 6 can move relatively in the left-right direction. In order to realize the extrusion of construction waste, the extrusion mechanism further includes a first hydraulic cylinder 7 and a second hydraulic cylinder 8, the first extrusion block 5 is fixedly connected with the telescopic rod of the first hydraulic cylinder 7, and the first hydraulic cylinder 7 is fixed on the inner wall surface of the left side wall of the casing 1, the second extrusion block 6 is fixedly connected with the telescopic rod of the second hydraulic cylinder 8, and the second hydraulic cylinder 8 is fixed on the inner wall surface of the right side wall of the casing 1 . The surface of the first extruding block 5 facing the second extruding block 6 is provided with extruding teeth, and the surface of the second extruding block 6 facing the first extruding block 5 is provided with extruding teeth.

The first operation space 2 is also provided with a push mechanism, the push mechanism includes a third hydraulic cylinder 19 and a push plate 18 fixed on the end of the telescopic rod of the third hydraulic cylinder 19, and the third hydraulic cylinder 19 is fixed on the On the inner wall surface of the front side wall of the housing 1 .

A rolling mechanism is arranged in the rolling chamber 4 of the second operating space, and the rolling mechanism includes a first and a second rolling roll 13 arranged side by side on the left and right sides, and the first rolling roll 12 and the second rolling roll The rollers 13 are arranged in parallel and are arranged in the front-rear direction, the first rolling roll 12 rotates clockwise, and the second rolling roll 13 rotates counterclockwise.

A transmission motor 24 and a controller 23 are arranged in the control room 17 of the second operation space, and the control room 17 includes two layers, an upper and a lower layer, wherein the controller 23 is placed on the upper layer of the control room 17, and the controller 23 and the first hydraulic cylinder 7 , the second hydraulic cylinder 8 and the third hydraulic cylinder 19 are controlled and connected; the transmission motor 24 is arranged in the lower layer of the control room 17, and the transmission motor 24 drives the first rolling roller 12 and the second rolling roller 13 in the rolling chamber 4 connect.

A feed port 14 is provided at the top of the casing 1 and above the extrusion structure for the entry of construction waste, and a first discharge port 15 is provided at the bottom of the casing 1, and the first discharge port 15 is located at Right below the rolling mechanism, the building waste slag that has been rolled by the first rolling roller 12 and the second rolling roller 13 is discharged from the crusher through the first discharge port 15 . A second discharge port is provided on the rear side wall of the casing 1, and the second discharge port is arranged correspondingly to the front and rear of the push plate 18 of the push mechanism, and is used for the discharge of structures such as steel bars in the waste. An inclined sliding plate 22 is also fixedly arranged on the upper surface, and one end of the sliding plate 22 is connected with the second discharge port. In order to prevent the dust in the crusher from flying out of the second discharge port and thus causing pollution to the environment, a shutter 20 for shielding the second discharge port is hingedly arranged at the second discharge port.

In order to enable the crushed waste blocks to fall into the rolling chamber 4 in the second operating space 2 after being pressed by the pressing mechanism of the first operating space 2 , the first partition layer includes a space between the first operating space 2 and the rolling The mesh screen 11 between the pressure chambers 4 and the partition plate 21 spaced between the first operation space 2 and the control chamber 17 are provided.

In order to prevent the squeezed construction waste from directly leaking into the rolling chamber 4 and causing huge pressure to the rolling rollers, the rolling chamber 4 is provided with a storage chamber 3 , and the storage chamber 3 is arranged on the side of the mesh screen 11 . Below, the storage room 3 is used to temporarily store the construction waste blocks extruded by the extrusion mechanism. The left hoarding plate obliquely welded to the inner wall surface of the left side wall of the shell 1, the right hoarding plate obliquely welded to the inner wall surface of the right side wall of the shell 1, and the oblique welding plate to the side wall of the second compartment facing the rolling chamber 4. The rear wall, the front wall, the rear wall, the left wall and the right wall are formed into a frustum shape. The lower end of each enclosure plate encloses the discharge opening of the storage chamber 3, and the discharge opening is provided with a baffle plate that can be opened and closed. Specifically, the baffle includes a left opening and closing plate hingedly arranged at the lower end of the left enclosure plate and a right opening and closing plate hingedly arranged at the lower end of the right enclosure plate. . In order to realize the opening and closing of the left opening and closing plate and the right opening and closing plate and make the left opening and closing plate and the right opening and closing plate have a certain bearing force, a left telescopic rod 9 is welded on the bottom surface of the left opening and closing plate, and the other end of the left telescopic rod 9 is fixed to the shell On the left side wall of the body 1 , a right telescopic rod 10 is welded on the bottom surface of the right opening and closing plate, and the other end of the right telescopic rod 10 is fixed on the right side wall of the housing 1 . Both the left telescopic rod 9 and the right telescopic rod 10 are controlled and connected with the controller 23 in the control room 17 . Not only that, a pressure sensor is fixedly arranged on both the left opening and closing plate and the right opening and closing plate, and the pressure sensor is electrically connected with the controller 23 .

In order to facilitate the construction waste blocks on the mesh screen 11 to fall into the storage room 3, a vibration motor (not shown in the figure) is driven and connected to the mesh screen 11. The vibration motor is arranged in the control room 17 and is connected to the controller 23 for control. The motor is provided on the lower floor of the control room 17 .

In order to facilitate the movement of the construction waste shredder, legs are provided at the bottom of the housing 1, and universal wheels 16 are fixed on the legs.

When the construction waste crusher of the present invention is in use, the construction waste enters the first operation space 2 of the crusher from the feeding port 14, and under the repeated extrusion of the extrusion mechanism, the cement blocks in the waste are removed from the steel bars. When the cement block in the storage room 3 reaches a certain amount, the pressure sensor will transmit the signal to the controller 23. Under the control of the controller 23, the The left telescopic rod 9 and the right telescopic rod 10 shrink, thereby opening the left opening and closing plate and the right opening and closing plate, so that the cement block reaches the rolling chamber 4 for rolling, and the rolled waste slag is discharged from the first discharge port 15 . After the extrusion mechanism stops extruding, the extrusion mechanism is reset, that is, the first hydraulic cylinder 7 and the second hydraulic cylinder 8 are retracted. At this time, the controller 23 controls the action of the third hydraulic cylinder 19 of the pushing mechanism to make the pushing mechanism Discharge the rebar from the second outlet. Since the discharge path of the steel bar is horizontal, the discharge of the steel bar is simpler. Not only that, because the steel bar has a certain volume, the second discharge port is arranged on the rear side wall of the casing 1 and is arranged correspondingly to the front and rear of the ejector plate 18. , which can facilitate the recycling of steel bars.

In this embodiment, a storage chamber is arranged in the rolling chamber. The storage chamber is arranged below the mesh screen. The storage chamber is used to temporarily store the extruded construction waste blocks. The storage chamber includes welding in the front side wall of the shell. The front wall of the wall, the left wall welded to the inner wall of the left side wall of the casing, the right wall welded to the inner wall of the right side wall of the casing, and the side wall of the second compartment facing the rolling chamber. The rear coaming plate, each coaming plate forms a feeding opening under the storage chamber, and the feeding opening is provided with a baffle plate that can be opened and closed; The cement blocks squeezed out by the pressing mechanism will directly pass through the mesh screen from the first operation space to the rolling chamber of the second operation space.

In this embodiment, the baffle includes a left opening and closing plate hingedly arranged at the lower end of the left enclosure plate and a right opening and closing plate hingedly arranged at the lower end of the right enclosure plate. The bottom surface of the left opening and closing plate is welded with a left telescopic rod, the other end of the left telescopic rod is fixed on the left side wall of the casing, the bottom surface of the right opening and closing plate is welded with a right telescopic rod, and the other end of the right telescopic rod is fixed on the On the right side wall of the casing, the left telescopic rod and the right telescopic rod are both connected to the controller for control; in other embodiments, the baffle may only include an opening and closing plate, and the bottom surface of the opening and closing plate is welded with a telescopic rod, The other end of the telescopic rod is fixed on the left side wall or the right side wall of the casing. At this time, there is a certain height difference between the storage chamber and the first rolling roller and the second rolling roller, so that the opening and closing plate can be easily realized. opening and closing.

In this embodiment, a pressure sensor is fixed on the left opening and closing plate and the right opening and closing plate, and the pressure sensor is electrically connected to the controller; in other embodiments, the left opening and closing plate and the right opening and closing plate may not be provided with pressure. The sensor, at this time, requires the controller to control the opening and closing of the left opening and closing plate and the right opening and closing plate after a period of time.

In this embodiment, the storage chamber is in the shape of a truncated cone, the top is large and the bottom is small, the front wall is obliquely welded to the inner wall of the front side wall of the casing, and the left wall is obliquely welded to the inner wall of the left side wall of the casing , the right enclosure plate is obliquely welded on the inner wall surface of the right side wall of the casing, and the rear enclosure plate is obliquely welded on the side wall of the second compartment facing the rolling chamber; in other embodiments, the storage chamber may also be rectangular .

In this embodiment, the surface of the first extrusion block facing the second extrusion block is provided with extrusion teeth, the surface of the second extrusion block facing the first extrusion block is provided with extrusion teeth, and other In the embodiment, the first pressing block and the second pressing block may not be provided with pressing teeth.

In this embodiment, a vibration motor is driven and connected to the mesh screen, and the vibration motor is arranged in the control room and is controlled and connected to the controller; in other embodiments, the vibration motor may not be set, and at this time, the mesh screen cannot Automatic vibration requires the operator to vibrate the mesh screen by tapping.

In this embodiment, the second discharge port is hingedly provided with a shutter for covering the second discharge port. In other embodiments, the second discharge port may not be provided with a shutter.

In this embodiment, the control room includes upper and lower layers, the upper layer is used for placing the controller, and the lower layer is used for placing the transmission motor and the vibration motor; in other embodiments, the control room includes three layers arranged up and down, and the upper layer is used for square control The lower layer is used to place the vibration motor, and the middle layer is used to place the transmission motor.

In this embodiment, the bottom of the casing is provided with a support leg, and the support leg is fixed with a universal wheel; in other embodiments, the bottom of the housing is provided with a support leg, but the support leg may not be provided with a universal wheel When the crusher needs to be moved, it needs to be carried by workers.

Claims (10)

1. A construction waste shredder is characterized in that, comprises: Shell: rectangular; The first compartment: divides the rectangular housing into a first operating space at the upper part and a second operating space at the lower part; Second compartment: divides the second operating space into a rolling room at the front and a control room at the back; Squeeze mechanism: set in the first operating space, including a first squeeze block and a second squeeze block that can move relatively in the left-right direction, and a first hydraulic cylinder and a second hydraulic cylinder, the first squeeze block and the The telescopic rod of the first hydraulic cylinder is fixedly connected, the first hydraulic cylinder is fixed on the inner side of the left side wall of the casing; the second extrusion block is fixedly connected with the telescopic rod of the second hydraulic cylinder, and the second hydraulic cylinder is fixed on the casing On the inner side of the right side wall of the body; Pushing mechanism: set in the first operating space, including a third hydraulic cylinder fixed on the inner side of the front side wall of the casing and a pushing plate fixed at the end of the telescopic rod of the third hydraulic cylinder; Rolling mechanism: the rolling chamber arranged in the second operation space, including the first rolling roller and the second rolling roller arranged side by side, the first rolling roller rotates clockwise, and the second rolling roller rotates counterclockwise; Feed port: set at the top of the shell; The first discharge port: located at the bottom of the shell and just below the rolling mechanism, used for the discharge of crushed waste slag; The second discharge port: set on the rear side wall of the shell and corresponding to the front and rear of the push plate, used for the discharge of steel bars in the waste; The first partition layer includes a mesh screen arranged at intervals between the first operation space and the rolling chamber, and a partition plate arranged at intervals between the first operation space and the control chamber; A transmission motor and a controller are arranged in the control room, the transmission motor is connected with the first rolling roller and the second rolling roller, the controller is controlled and connected with the transmission motor, and the controller is also connected with the first hydraulic cylinder, the second hydraulic cylinder and the The third hydraulic cylinder controls the connection, so that the pushing mechanism starts to push after the extrusion mechanism is repeatedly squeezed and reset; After repeated extrusion by the extrusion mechanism, the cement blocks in the waste are squeezed out from the steel bars. The squeezed cement blocks enter the rolling chamber through the mesh screen, and after rolling, they become cement slag and then exit from the first discharge port. After discharge, the steel bars in the first operation space will be pushed out from the second outlet by the pushing mechanism. 2. The construction waste shredder according to claim 1, wherein a storage chamber is arranged in the rolling chamber, the storage chamber is arranged below the mesh screen, and the storage chamber is used to temporarily store the crushed buildings. For waste blocks, the storage room includes a front wall welded on the inner wall of the front side wall of the casing, a left wall welded on the inner wall of the left side wall of the casing, a right wall welded on the inner wall of the right side wall of the casing, and a left wall welded on the inner wall of the left side wall of the casing. The rear enclosure on the side wall of the second compartment facing the rolling chamber, each enclosure surrounds a discharge opening below the storage chamber, and a baffle plate that can be opened and closed is arranged on the discharge opening. 3. The construction waste shredder according to claim 2, wherein the baffle plate comprises a left opening and closing plate hingedly arranged at the lower end of the left enclosure plate and a right opening closing plate hingedly arranged at the lower end of the right enclosure plate. The opening and closing of the feeding port is realized under the joint action of the opening and closing plate and the right opening and closing plate; the bottom surface of the left opening and closing plate is welded with a left telescopic rod, the other end of the left telescopic rod is fixed on the left side wall of the shell, and the bottom surface of the right opening and closing plate is welded. A right telescopic rod is welded, the other end of the right telescopic rod is fixed on the right side wall of the casing, and both the left telescopic rod and the right telescopic rod are connected with the controller for control. 4 . The construction waste shredder according to claim 3 , wherein a pressure sensor is fixedly arranged on the left opening and closing plate and the right opening and closing plate, and the pressure sensor is electrically connected to the controller. 5 . 5. The construction waste shredder according to any one of claims 2-4, wherein the storage chamber is in the shape of a frustum of a large upper and a lower lower, and the front wall is obliquely welded in front of the casing The inner wall surface of the side wall, the left enclosure plate is obliquely welded to the inner wall surface of the left side wall of the shell, the right enclosure plate is obliquely welded to the inner wall surface of the right side wall of the shell, and the rear enclosure plate is obliquely welded to the inner wall of the second compartment. towards the side wall of the rolling chamber. 6. The construction waste shredder according to any one of claims 1-4, wherein a surface of the first pressing block facing the second pressing block is provided with pressing teeth, and the first pressing block is provided with pressing teeth. The surfaces of the second extruding blocks facing the first extruding block are provided with extruding teeth. 7. The construction waste shredder according to any one of claims 1-4, characterized in that, a vibration motor is connected to the mesh screen, and the vibration motor is arranged in the control room and is controlled and connected to the controller. 8. The construction waste shredder according to any one of claims 1-4, characterized in that, a shutter for shielding the second outlet is hingedly provided at the second outlet. 9. The construction waste shredder according to any one of claims 1 to 4, wherein the control room comprises two layers: the upper layer is used for placing the controller, and the lower layer is used for placing the transmission motor and the vibration motor . 10. The construction waste shredder according to any one of claims 1-4, wherein the bottom of the casing is provided with legs, and the legs are fixedly provided with universal wheels.

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