CN214554353U

CN214554353U - Special breaker of building rubbish

Info

Publication number: CN214554353U
Application number: CN202022893705.4U
Authority: CN
Inventors: 王誉苓
Original assignee: Tianjin Xinda Intelligent Technology Co ltd
Current assignee: Tianjin Xinda Intelligent Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-11-02
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a special breaker of building rubbish belongs to building rubbish processing technology field. The special crusher for construction waste comprises a crushing assembly and a screening assembly. The driving motor drives the rotating plate to rotate, the rotating plate drives the pressing rod to swing, the pressing rod is interrupted to press the stop block, the sliding rod piece is driven to retract into the mounting shell piece, the sliding rod piece compresses the elastic piece, the elastic piece is increased in elasticity, the pressing rod also drives the sliding rod piece to rotate, the sliding rod piece drives the screen piece and the baffle piece to vibrate, in the vibrating process of the screen piece, the masonry slides along the screen piece, the stone powder is screened by the screen piece, the broken masonry and the stone powder are separated, the stone powder falls along the baffle piece, the screen piece is driven to vibrate repeatedly by the driving motor, the vibrating amplitude of the screen piece is large, the vibrating process is stable, the screening effect of the screen piece is effectively improved, and the problems that the vibrating amplitude of the vibrating screen of the existing special crusher for building garbage is small and the vibrating frequency is unstable are effectively improved.

Description

Special breaker of building rubbish

Technical Field

The utility model relates to a building rubbish field of handling particularly, relates to a special breaker of building rubbish.

Background

The construction waste is not only waste materials such as steel plates, but also concrete blocks and bricks after houses are disassembled, which cannot be directly used for secondary use, and are all regarded as construction waste, the construction waste cannot be directly used, and is discarded and wasted, therefore, people crush and rebuild the waste bricks so as to be conveniently used for secondary use, and waste of resources and pollution of environment are reduced, the existing special crusher for the construction waste uses a crusher main body to crush the bricks and convey the bricks to a vibrating screen through a conveyor belt, at present, the vibrating screen crushes the bricks through the bricks and drives a telescopic rod on the vibrating screen to repeatedly stretch and retract to generate vibration, finely crushed stone powder on the crushed bricks falls from the lower side of the vibrating screen, the crushed bricks fall down along the vibrating screen in a rolling manner, but the vibrating screen depends on the manner that the bricks and the stones are crushed on the vibrating screen, the vibrating screen has small vibration amplitude and unstable vibration frequency, resulting in poor screening performance.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above insufficiency, the utility model provides a special breaker of building rubbish aims at improving the problem that the shale shaker vibration range of the special breaker of current building rubbish is less and vibration frequency is unstable.

The utility model discloses a realize like this:

a special crusher for construction waste comprises a crushing assembly and a screening assembly.

The crushing assembly comprises a crusher body, a belt conveyor, a rotating shaft and a fixing frame, the belt conveyor is arranged on the lower side of a discharge port of the crusher body, the rotating shaft is fixedly connected to two sides of the belt conveyor, the fixing frame is fixedly connected to one end of the crusher body, the fixing frame is positioned on the lower side of the belt conveyor, the screening assembly comprises a vibrating screen, a baffle plate, a telescopic support and a driving piece, the vibrating screen comprises two mounting plates and screen pieces, the two mounting plates are respectively and rotatably connected to the rotating shaft, the screen piece is fixedly connected to the lower side between the two mounting plates, the screen piece is obliquely arranged, one end, far away from the rotating shaft, of the screen piece is positioned at a low position, the screen piece is positioned on the lower side of the belt conveyor, and the baffle plate is fixedly connected to the lower sides of the lower ends of the two mounting plates, the baffle piece and the screen piece are arranged obliquely, the telescopic bracket comprises an installation shell piece, an elastic piece, a sliding rod piece and a stop block, one end of the mounting shell is rotatably connected with one end of the crusher body, one end of the sliding rod can slide along the inside of the mounting shell, the mounting shell can block the slide bar piece, the elastic piece is positioned in the mounting shell, the slide rod piece is pressed on the elastic piece, one end of the slide rod piece, which is far away from the mounting shell piece, is hinged at the bottom end of the baffle piece, the stop block is fixedly connected with the side wall of the sliding rod piece, the driving piece comprises a driving motor, a rotating plate and a pressure lever, the driving motor is fixedly connected with the lower side of the fixed frame, one end of the rotating plate is fixedly connected with the output end of the driving motor, the pressing rod is fixedly connected to the other end of the rotating plate and can press the stop block.

The utility model discloses an in one embodiment, breaker body one end fixedly connected with otic placode, the otic placode is located the mount downside, installation shell spare one end rotate connect in the otic placode.

In an embodiment of the present invention, the mounting case includes a base and a housing, the base is rotatably connected to the ear plate, and the housing lower end is fixedly connected to the base.

In an embodiment of the present invention, the first fixing plate is fixedly connected to both sides of the lower end of the housing, the second fixing plate is fixedly connected to both sides of the base, and the first fixing plate and the second fixing plate are fixed by bolts.

In an embodiment of the present invention, the sliding rod member includes a first rod body, a connecting sleeve and a second rod body, the first rod body and one end of the second rod body are inserted into the connecting sleeve through threads, the other end of the first rod body can slide inside the casing, and the other end of the second rod body is hinged to the bottom end of the baffle member.

In an embodiment of the present invention, the inner wall of the housing is prism-shaped, and the first rod is located at an end inside the housing, which is attached to the inner wall of the housing.

In an embodiment of the present invention, two reinforcing rods are fixedly connected between the mounting plates.

The utility model discloses an in one embodiment, the installation plate includes the plate body and sets up in the inboard mounting groove of plate body, two on the plate body the mounting groove corresponds the setting, insert two respectively screen cloth spare both sides the mounting groove, screen cloth spare fixed connection in the plate body.

The utility model discloses an in one embodiment, plate body outer wall fixedly connected with first connecting plate, the screen cloth spare include screen cloth and fixed connection in the second connecting plate of screen cloth one end both sides, the second connecting plate inserts between the first connecting plate, first connecting plate with the second connecting plate is articulated through the round pin axle.

The utility model discloses an in one embodiment, the baffle spare include baffle and fixed connection in the striker plate of baffle both sides, striker plate upper end fixed connection in the installation plate.

The utility model has the advantages that: the utility model, through the design, when the masonry falls onto the screen mesh piece, the driving motor is turned on, the driving motor drives the rotating plate to rotate, the rotating plate drives the pressing rod to swing, the pressing rod discontinuously presses the stop block, thereby driving the slide rod part to retract into the mounting shell part, the slide rod part compresses the elastic part, the elastic part has increased elasticity, the press rod also drives the slide rod part to rotate, the slide rod part drives the screen mesh part and the baffle part to vibrate, in the vibrating process of the screen mesh part, the masonry slides down along the screen mesh part, the stone powder is screened by the screen mesh part, further separating the crushed masonry and stone powder, the stone powder falls down along the baffle piece, the screen piece is repeatedly driven to vibrate by the driving motor, the vibration amplitude of the screen piece is larger, the vibration process is stable, the screening effect of the screen piece is effectively improved, and then the problem that the vibration amplitude of the vibrating screen of the existing special crusher for construction waste is small and the vibration frequency is unstable is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a special crusher for construction waste according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a crushing assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a screening assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a vibrating screen according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a mounting plate according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a screen member according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a telescopic bracket according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a driving member according to an embodiment of the present invention.

In the figure: 100-a crushing assembly; 110-a crusher body; 120-a belt conveyor; 130-a rotating shaft; 140-a fixing frame; 150-ear plate; 200-a screening component; 210-a vibrating screen; 211-mounting the plate; 2111-plate body; 2112-mounting groove; 2113-first connection board; 212-a screen member; 2121-screen mesh; 2122-a second connecting plate; 213-reinforcing rods; 220-a baffle member; 221-a baffle; 222-striker plate; 230-a telescopic bracket; 231-mounting a housing; 2311-a base; 2312-shell; 232-an elastic member; 233-slide bar member; 2331-a first stick; 2332-a connecting sleeve; 2333-a second stick; 234-a stop; 240-a drive member; 241-a drive motor; 242-a rotating plate; 243-pressure lever.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1 to 8, the present invention provides a special crusher for construction waste, which comprises a crushing assembly 100 and a screening assembly 200, wherein the crushing assembly 100 is used for crushing and conveying construction waste, and the screening assembly 200 is used for separating stone powder and masonry.

Referring to fig. 2, the crushing assembly 100 includes a crusher body 110, a belt conveyor 120, a rotating shaft 130 and a fixing frame 140, the belt conveyor 120 is disposed at a lower side of a discharge port of the crusher body 110, the rotating shaft 130 is fixedly connected to two sides of the belt conveyor 120, the rotating shaft 130 and the belt conveyor 120 are of an integrated structure, the fixing frame 140 is fixedly connected to one end of the crusher body 110, the fixing frame 140 is fixedly connected to the crusher body 110 by welding or bolts, the fixing frame 140 is located at a lower side of the belt conveyor 120, when in use, the crusher body 110 crushes construction waste, after being crushed, masonry falls into the belt conveyor 120 from the discharge port of the crusher body 110, and the belt conveyor 120 drives the masonry to move.

Referring to fig. 3 and 4, the screening assembly 200 includes a vibrating screen 210, baffle members 220, a telescopic bracket 230 and a driving member 240, the vibrating screen 210 includes two mounting plates 211 and two screen members 212, the two mounting plates 211 are respectively rotatably connected to the rotating shaft 130, the screen members 212 are fixedly connected to the lower side between the two mounting plates 211, the screen members 212 are obliquely arranged, one end of the screen member 212, which is far away from the rotating shaft 130, is at a lower position, the screen members 212 are positioned at the lower side of the belt conveyor 120, when the belt conveyor 120 conveys masonry to the end, the end of the belt conveyor 120 falls down, the falling masonry falls onto the screen members 212, the baffle members 220 are fixedly connected to the lower side of the lower ends of the two mounting plates 211, the baffle members 220 and the screen members 212 are obliquely arranged, the stone powder screened by the screen members 212 falls into the baffle members 220, the stone powder is guided by the baffle members 220 to fall down, reinforcing rods 213 are fixedly connected between the two mounting plates 211, the reinforcing rod 213 is connected between the two mounting plates 211 through bolts or welding fixed connection, be used for improving intensity and stability between two mounting plates 211, baffle 220 includes baffle 221 and striker plate 222 of fixed connection in baffle 221 both sides, striker plate 222 and baffle 221 formula structure as an organic whole, striker plate 222 upper end fixed connection is in mounting plates 211, striker plate 222 passes through welding fixed connection in mounting plates 211, striker plate 222 can block the mountain flour, reduce the mountain flour and follow the condition of the both sides limit landing of baffle 221, be convenient for collect the mountain flour.

Referring to fig. 5, the mounting plate 211 includes a plate body 2111 and mounting grooves 2112 formed on the inner side of the plate body 2111, the mounting grooves 2112 of the two plate bodies 2111 are correspondingly disposed, two sides of the screen member 212 are respectively inserted into the two mounting grooves 2112, and the screen member 212 is fixedly connected to the plate body 2111.

Referring to fig. 6, a first connection plate 2113 is fixedly connected to an outer wall of a plate 2111, the first connection plate 2113 is fixedly connected to the plate 2111 by welding, a screen member 212 includes a screen 2121 and second connection plates 2122 fixedly connected to both sides of one end of the screen 2121, the second connection plates 2122 are fixedly connected to the screen 2121 by welding, the second connection plates 2122 are inserted between the first connection plates 2113, the first connection plates 2113 and the second connection plates 2122 are hinged by pins, when the screen 2121 needs to be removed, the connection pins of the first connection plates 2113 and the second connection plates 2122 are released, the screen 2121 is drawn out from the mounting groove 2112, so that the screen 2121 can be repaired and replaced, after the repair and replacement is completed, the screen 2121 is inserted into the mounting groove 2112, at this time, the second connection plates 2122 are inserted between the first connection plates 2113, the pins are inserted into the first connection plates 2113 and the second connection plates 2122, the screen 2121 is fixed, and the purpose of installing and replacing the screen 2121 is achieved, the replacement process is simple, and the replacement time is short.

Referring to fig. 7, the telescopic bracket 230 includes a mounting casing 231, an elastic member 232, a sliding rod member 233 and a stopper 234, one end of the mounting casing 231 is rotatably connected to one end of the crusher body 110, one end of the sliding rod member 233 can slide along the inside of the mounting casing 231, the mounting casing 231 can block the sliding rod member 233, the elastic member 232 is located in the mounting casing 231, the sliding rod member 233 is pressed against the elastic member 232, one end of the sliding rod member 233 away from the mounting casing 231 is hinged to the bottom end of the baffle member 220 by a fixing pin, the stopper 234 is fixedly connected to a side wall of the sliding rod member 233, the stopper 234 is fixedly connected to the sliding rod member 233 by welding, one end of the crusher body 110 is fixedly connected with the ear plate 150, the ear plate 150 is fixedly connected to the crusher body 110 by welding, the ear plate 150 is located at the lower side of the fixing frame 140, one end of the mounting casing 231 is rotatably connected to the ear plate 150, the mounting shell 231 comprises a base 2311 and a shell 2312, the base 2311 is rotatably connected to the ear plate 150, the lower end of the shell 2312 is fixedly connected to the base 2311, two sides of the lower end of the shell 2312 are fixedly connected with a first fixing plate, two sides of one end of the base 2311 are fixedly connected with a second fixing plate, the first fixing plate and the second fixing plate are fixed through bolts, the sliding rod 233 comprises a first rod body 2331, a connecting sleeve 2332 and a second rod body 2333, one end of the first rod body 2331 and one end of the second rod body 2333 are inserted into the connecting sleeve 2332 through threads, the other end of the first rod body 2331 can slide along the inside of the shell 2312, the other end of the second rod body 2332 is hinged to the bottom end of the baffle piece 220, the inner wall of the shell 2312 is prismatic, and one end of the first rod body 2331, which is positioned inside the shell 2312, is attached to the inner wall of the shell 2312, so that the rotation between the first rod body 2331 and the shell 2312 is reduced.

In this embodiment, when the telescopic bracket 230 needs to be repaired, the connecting bolt of the first fixing plate and the second fixing plate is released, the elastic member 232 can be taken out for replacement, the first rod 2331 is rotated by the housing 2312, the first rod 2331 is separated from the connecting sleeve 2332, the first rod 2331 can be withdrawn for replacement, the connection between the second rod 2333 and the baffle 220 is released, the second rod 2333 can be replaced, and the replacement process is simple.

Referring to fig. 8, the driving member 240 includes a driving motor 241, a rotating plate 242 and a pressing rod 243, the driving motor 241 is fixedly connected to the lower side of the fixing frame 140, the driving motor 241 is fixedly connected to the fixing frame 140 through a bolt, one end of the rotating plate 242 is fixedly connected to the output end of the driving motor 241, the rotating plate 242 is fixedly connected to the output end of the driving motor 241 through welding, the pressing rod 243 is fixedly connected to the other end of the rotating plate 242, the pressing rod 243 is fixedly connected to the rotating plate 242 through welding, the pressing rod 243 can press the stopper 234, when the masonry falls onto the screen member 212, the driving motor 241 is turned on, the driving motor 241 drives the rotating plate 242 to rotate, the rotating plate 242 drives the pressing rod 243 to swing, the pressing rod 243 intermittently presses the stopper 234, and further drives the first rod 2331 to retract into the housing 2312, the first rod 2331 compresses the elastic member 232, the elastic force of the elastic member 232 is increased, and the pressing rod 243 further drives the first rod 2331 to rotate around the ear plate 150, the first rod body 2331 drives the second rod body 2333 to move, the second rod body 2333 drives the screen piece 212 and the baffle piece 220 to vibrate, in the vibration process of the screen piece 212, masonry slides down along the screen piece 212, stone powder is screened by the screen piece 212, and crushed masonry and stone powder are separated, the stone powder falls down along the baffle piece 220, the screen piece 212 is repeatedly driven by the driving motor 241 to vibrate, the vibration amplitude of the screen piece 212 is large, the vibration process is stable, the screening effect of the screen piece 212 is effectively improved, and the problems that the vibration amplitude of a vibrating screen of an existing special crusher for construction waste is small and the vibration frequency is unstable are effectively improved.

Specifically, this special breaker of building rubbish's theory of operation: when the crusher is used, the crusher body 110 crushes building wastes, the crushed masonry falls into the belt conveyor 120 from the discharge port of the crusher body 110, the belt conveyor 120 drives the masonry to move, the stone dust sieved by the screen member 212 falls into the baffle member 220 and is guided by the baffle member 220 to fall, when the masonry falls onto the screen member 212, the driving motor 241 is turned on, the driving motor 241 drives the rotating plate 242 to rotate, the rotating plate 242 drives the pressing rod 243 to swing, the pressing rod 243 intermittently presses the stopper 234 and further drives the first rod body 2331 to retract into the housing 2312, the first rod body 2331 compresses the elastic member 232, the elastic force of the elastic member 232 is increased, the pressing rod 243 further drives the first rod body 2331 to rotate around the ear plate 150, the first rod body 2331 drives the second rod body 2333 to move, the second rod body 2333 drives the screen member 212 and the baffle member 220 to vibrate, during the vibration of the screen member 212, the masonry slides down along the screen member 212 and falls off the stone dust from the screen member 212, and then separate the broken masonry and mountain flour, the mountain flour falls down along baffle piece 220, drives the vibration of screen cloth spare 212 through driving motor 241 repeatedly, and screen cloth spare 212 vibration range is great, and the vibration process is stable, the effectual screening effect that improves screen cloth spare 212, and then the effectual problem that improves the vibrating screen vibration range of the special breaker of current building rubbish is less and vibration frequency is unstable.

When the screen 2121 needs to be removed, the connecting pin shafts of the first connecting plate 2113 and the second connecting plate 2122 are removed, the screen 2121 is pulled out from the mounting groove 2112, so that the screen 2121 can be repaired and replaced, after the repair and replacement are completed, the screen 2121 is inserted into the mounting groove 2112, at the moment, the second connecting plate 2122 is inserted between the first connecting plates 2113, the pin shafts are inserted into the first connecting plate 2113 and the second connecting plate 2122, the screen 2121 is fixed, the purpose of installing and replacing the screen 2121 is achieved, the replacement process is simple, and the replacement time is short.

When the telescopic bracket 230 needs to be repaired, the connecting bolt of the first fixing plate and the second fixing plate is released, the elastic member 232 can be taken out for replacement, the first rod body 2331 is rotated through the housing 2312, the first rod body 2331 is separated from the connecting sleeve 2332, the first rod body 2331 can be pulled out for replacement, the connection between the second rod body 2333 and the baffle member 220 is released, the second rod body 2333 can be replaced, and the replacement process is simple.

It should be noted that the specific model specifications of the crusher body 110, the belt conveyor 120 and the driving motor 241 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed burdens are not needed.

The power supply of the crusher body 110, the belt conveyor 120 and the drive motor 241 and their principle will be clear to the skilled person and will not be described in detail here.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A special crusher for construction waste is characterized by comprising

The crushing assembly (100) comprises a crusher body (110), a belt conveyor (120), a rotating shaft (130) and a fixing frame (140), wherein the belt conveyor (120) is arranged on the lower side of a discharge hole of the crusher body (110), the rotating shaft (130) is fixedly connected to two sides of the belt conveyor (120), the fixing frame (140) is fixedly connected to one end of the crusher body (110), and the fixing frame (140) is positioned on the lower side of the belt conveyor (120);

the screening assembly (200) comprises a vibrating screen (210), baffle members (220), a telescopic bracket (230) and a driving member (240), the vibrating screen (210) comprises mounting plate members (211) and screen members (212), the mounting plate members (211) are arranged in two, the two mounting plate members (211) are respectively and rotatably connected to the rotating shaft (130), the screen members (212) are fixedly connected to the lower side between the two mounting plate members (211), the screen members (212) are obliquely arranged, one ends of the screen members (212) far away from the rotating shaft (130) are at a lower position, the screen members (212) are positioned on the lower side of the belt conveyor (120), the baffle members (220) are fixedly connected to the lower sides of the lower ends of the two mounting plate members (211), and the baffle members (220) and the screen members (212) form an oblique arrangement, the telescopic bracket (230) comprises a mounting shell member (231), an elastic member (232), a sliding rod member (233) and a stop block (234), one end of the mounting shell member (231) is rotatably connected to one end of the crusher body (110), one end of the sliding rod member (233) can slide along the inside of the mounting shell member (231), the mounting shell member (231) can stop the sliding rod member (233), the elastic member (232) is positioned in the mounting shell member (231), the sliding rod member (233) is pressed against the elastic member (232), one end of the sliding rod member (233) far away from the mounting shell member (231) is hinged to the bottom end of the stop plate member (220), the stop block (234) is fixedly connected to the side wall of the sliding rod member (233), the driving member (240) comprises a driving motor (241), a rotating plate (242) and a pressure rod (243), the driving motor (241) is fixedly connected to the lower side of the fixed frame (140), one end of the rotating plate (242) is fixedly connected to the output end of the driving motor (241), the pressing rod (243) is fixedly connected to the other end of the rotating plate (242), and the pressing rod (243) can press the stop block (234).

2. The special crusher for construction waste as claimed in claim 1, wherein an ear plate (150) is fixedly connected to one end of the crusher body (110), the ear plate (150) is located at the lower side of the fixing frame (140), and one end of the mounting shell member (231) is rotatably connected to the ear plate (150).

3. A special crusher for construction waste as claimed in claim 2, wherein said mounting housing (231) comprises a base (2311) and a housing (2312), said base (2311) being pivotally connected to said ear plate (150), said housing (2312) being fixedly connected at its lower end to said base (2311).

4. The special crusher for construction waste as claimed in claim 3, wherein a first fixing plate is fixedly connected to both sides of the lower end of the housing (2312), a second fixing plate is fixedly connected to both sides of one end of the base (2311), and the first fixing plate and the second fixing plate are fixed by bolts.

5. The special crusher for construction waste as claimed in claim 3, wherein the slide bar member (233) comprises a first bar body (2331), a connecting sleeve (2332) and a second bar body (2333), one end of the first bar body (2331) and one end of the second bar body (2333) are inserted into the connecting sleeve (2332) by screw threads, the other end of the first bar body (2331) can slide along the inside of the housing (2312), and the other end of the second bar body (2333) is hinged to the bottom end of the baffle member (220).

6. The special crusher for construction waste as claimed in claim 5, wherein the inner wall of the housing (2312) is prism-shaped, and one end of the first rod (2331) inside the housing (2312) is attached to the inner wall of the housing (2312).

7. The special crusher for construction waste as claimed in claim 1, wherein a reinforcing rod (213) is fixedly connected between the two mounting plates (211).

8. The special construction waste crusher according to claim 1, wherein the mounting plate member (211) comprises a plate body (2111) and mounting grooves (2112) arranged on the inner side of the plate body (2111), the mounting grooves (2112) on the two plate bodies (2111) are correspondingly arranged, two mounting grooves (2112) are respectively inserted into two sides of the screen member (212), and the screen member (212) is fixedly connected to the plate body (2111).

9. The special construction waste crusher as claimed in claim 8, wherein a first connecting plate (2113) is fixedly connected to the outer wall of the plate body (2111), the screen member (212) comprises a screen (2121) and a second connecting plate (2122) fixedly connected to both sides of one end of the screen (2121), the second connecting plate (2122) is inserted between the first connecting plates (2113), and the first connecting plate (2113) and the second connecting plate (2122) are hinged by a pin.

10. The special construction waste crusher as claimed in claim 1, wherein the baffle member (220) comprises a baffle plate (221) and a baffle plate (222) fixedly connected to both sides of the baffle plate (221), and the upper end of the baffle plate (222) is fixedly connected to the mounting plate member (211).