CN112973840B

CN112973840B - Smashing device for civil engineering and working method thereof

Info

Publication number: CN112973840B
Application number: CN202110192748.6A
Authority: CN
Inventors: 解添如
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2023-01-20
Anticipated expiration: 2041-02-20
Also published as: CN112973840A

Abstract

The invention relates to the technical field of engineering crushing, in particular to a crushing device for civil engineering and a working method thereof. The method comprises the following steps: first breaker, secondary breaker and rolling machine, including chassis, fourth motor, stable dish, carousel, compression roller, secondary breaker, including funnel, third motor, bent axle, even board, clamp plate, first breaker, including vibration slide rail, vibration dish, first motor, vertical slide rail, briquetting, lifting belt, brace table, spool, even reel, second motor, hydraulic push rod. This device can carry out on a large scale, multi-level building rubbish smashes work, conveniently smashes platelike building materials for tiny granule, has practiced thrift manpower and time, conveniently carries out building rubbish's reutilization.

Description

Smashing device for civil engineering and working method thereof

Technical Field

The invention relates to the technical field of engineering crushing, in particular to a crushing device for civil engineering and a working method thereof.

Background

A large amount of building garbage can be generated in the civil engineering demolition process, the building garbage can be treated in a burying mode in the past, the mode is convenient, quick and low in cost and is the most common mode, but long-time practice proves that the building garbage can be treated in the burying mode, a large amount of land is occupied, too much land is occupied for some cities with dense population, the development of the cities is limited, and the expansion and the development of the cities are not facilitated; along with the development of the technology, in order to reduce the occupation of the construction waste on the land, the construction waste at present is mostly crushed, and then the crushed construction waste is recycled and made into the construction material again. Before the construction waste is reused, in order to enable the recycled construction material to have good service performance, the construction waste needs to be fully crushed, and the better the crushing effect is, the better the recycling effect is. At present, the most commonly used building rubbish reducing mechanism is the object of breaking into the chunky with bold object, follow-up still needs further processing further breakage, just can reach the effect that needs, and initial bold object also need be decomposed by bold wall body and obtains, so still need have the process of decomposition before carrying out the breakage, so that rubbing crusher's normal work and operation, so it is a continuous broken process to smash into the tiny granule that can the direct processing use with the wall body of pushing down, this overlength time has increased the cost of recycling, the effect of recycling of building rubbish has been influenced.

Disclosure of Invention

The crushing device for civil engineering and the working method thereof provided by the invention can conveniently and rapidly crush construction waste from large to small in a labor-saving manner, and are favorable for recycling.

In order to achieve the above object, an aspect of the present invention provides a crushing apparatus for civil engineering, including: first breaker, secondary breaker and rolling machine, first breaker can rely on gravity to strike the decomposition for bold building rubbish with monoblock abandonment wall, can reject the reinforcing bar that mix with in the wall body simultaneously, secondary breaker can be to the further broken building rubbish that is the fritter of bold building rubbish through the extruded mode, rolling machine can further smash the building rubbish of fritter through the mode that gravity rolled, has further reduced building rubbish's volume.

The rolling machine comprises a chassis, a fourth motor, a stabilizing disc, a turntable and a pressing roller, wherein the chassis main body is a cylindrical table body solid disc, the fourth motor is arranged at the center above the chassis, a spindle of the fourth motor is connected with the turntable, the turntable is driven by the fourth motor to rotate, the turntable coaxially rotates relative to the chassis, the stabilizing disc is arranged above the chassis and the turntable, so that the turntable rotates stably, the pressing roller is arranged above the turntable and is in contact with the turntable, the pressing roller can rotate freely, the free rotation direction of the pressing roller is tangent to the rotation direction of the rotating turntable, a guard plate is arranged around the turntable, a discharge chute and a guide plate pointing to the vicinity of the axis of the turntable are arranged on the guard plate, and the rolling effect is achieved by the relative movement of the pressing roller and the turntable.

Secondary breaker, including funnel, third motor, bent axle, company's board, clamp plate, the funnel is in directly over the chassis, there is vice clamp plate in the exit of funnel below, the articulated one end that is connected with of vice clamp plate the one end of clamp plate, funnel below fixedly connected with the third motor, the main shaft of third motor is connected with the bent axle, the articulated one end that is connected with of bent axle even the board, the articulated other end that is connected with of even board the other end of clamp plate, the clamp plate with vice clamp plate forms a right trapezoid, the clamp plate with horizontal distance top-down between the vice clamp plate reduces gradually, the rotation of third motor can make the clamp plate constantly swings, the clamp plate with the relative change of position has produced extruded effect between the vice clamp plate.

First breaker, including vibration slide rail, vibration dish, first motor, vertical slide rail, briquetting, lifting belt, brace table, spool, even reel, second motor, hydraulic push rod, the funnel top has the layer board, layer board top one end is articulated to be connected with the vibration slide rail, the vibration slide rail can rotate, sliding connection has in the vibration slide rail vibration dish, the vertical direction of vibration dish has the screening hole, the vertical direction of one end of vibration dish slip direction has the sliding tray, be connected with on the vibration slide rail the second motor, be connected with the one end of crank on the main shaft of second motor, the articulate other end with sliding tray sliding connection, the rotation of second motor can make vibration dish vibrates, the top of funnel has vertical slide rail, sliding connection has in the vertical slide rail the briquetting, the briquetting has weight, the below of briquetting has conical striking block, the top of briquetting is connected with the one end of lifting belt, the top of vertical slide rail is connected with the brace table, the last sliding connection of brace table has the spool, the other end of lifting belt the spool one end be connected with the first motor is connected with the first motor and is connected with the reel and is connected with the motor and is connected with the first motor separation dish on the reel.

The crushing device for civil engineering provided by the technical scheme of the invention has the advantages of simple structure, convenience in use, firmness, durability and flexibility in use, the whole building plate body is gradually crushed through three times of crushing, and the whole plate body, the large block body, the small block body and the crushed slag are converted, so that the processed building garbage is converted into the building crushed slag which can be directly used, secondary utilization is facilitated, the occupation of the building garbage on the land is reduced, the crushing device for civil engineering belongs to production line type work, the manual use is reduced, and the labor cost is saved.

In addition, the crushing device for civil engineering and the working method thereof provided by the technical scheme of the invention have the following technical characteristics:

as a preferable scheme of the present invention, the stabilizing disc includes a stabilizing disc frame and supporting rollers, the stabilizing disc is a circular disc body, the upper and lower surfaces of the stabilizing disc are smooth and are in sliding contact with the chassis and the rotating disc respectively, a circle center of the stabilizing disc coincides with an axis of the fourth motor, the middle of the stabilizing disc is a hollow structure and is rotatably connected with the supporting rollers, the number of the supporting rollers is greater than or equal to three and is symmetrically arranged, the stabilizing disc has stability when used, side surfaces of the supporting rollers are in tangential rolling contact with the chassis, side surfaces of the supporting rollers are in tangential rolling contact with the rotating disc, a first annular groove is arranged below the rotating disc, a second annular groove is arranged above the chassis, and the supporting rollers are simultaneously in the first annular groove and the second annular groove, so that the movement of the supporting rollers has stability.

As a preferable scheme of the invention, a columnar bump is arranged at the central position above the turntable, the guide plate is tangent to the columnar bump, the angular deflection direction of the guide plate and the tangential movement direction of the turntable form an obtuse angle, so that the guide plate can achieve a better guide effect in the use process, the width of the compression roller is equal to the allowed maximum distance between the columnar bump and the protective plate, and the number of the compression rollers is greater than or equal to two, so that the compression roller has a better rolling effect.

As a preferable scheme of the invention, the cross section of the auxiliary pressing plate is C-shaped, the pressing plate is wrapped in the auxiliary pressing plate, so that the construction waste is prevented from flying out from the pressing plate in the use process, synapses are arranged on the surfaces of the pressing plate and the auxiliary pressing plate, and the synapses are in contact with blocky construction waste, so that the pressure intensity can be increased, and the crushing effect of the construction waste can be improved.

As a preferable scheme of the invention, the lower end of the auxiliary pressing plate is arranged behind the guide plate, so that small building garbage falling out from the lower part of the auxiliary pressing plate has a longer movement distance after falling on the turntable, and the rolling effect is improved.

As a preferable scheme of the invention, the lower part of the chassis is fixed on the bottom plate, and four corners of the funnel are fixed on the bottom plate through support columns, so that the secondary crushing device and the rolling device cannot move relative to each other in the using process, and the influence on the using effect is avoided.

As a preferable scheme of the invention, the conical impact block below the pressing block is conical, so that the pressure in the use process can be increased, the screening holes of the vibration disc are opposite to the impact block one by one, the diameter of the screening holes is equal to the maximum diameter of the impact block, and the vibration amplitude of the vibration disc is less than or equal to one half of the diameter of the screening holes, so that the impact block can enter the screening holes all the time in the use process of the pressing block, and the vibration disc cannot be damaged.

Compared with the prior art, the invention has the beneficial effects that:

according to the device, compared with the conventional process of crushing the construction waste by manpower, the time is saved, the manpower is saved, the efficiency is improved, the one-stop construction waste crushing work is realized, the produced crushed slag of the construction waste can be directly used, and the manual secondary crushing is avoided; compared with the current pulverizer, the device can realize the pulverization from the building board to the whole flow of small disintegrating slag, the pulverization range is large, the application range is wide, the whole use effect is good, the trouble that the secondary treatment is needed to be carried out after the use of the existing machinery can be avoided, and the material after the pulverization can be directly used.

A working method of a smashing device for civil engineering comprises the following steps: the building board to be crushed is placed in a vibrating disc, a hydraulic push rod pushes a first motor to be close to a scroll, a connecting disc of the first motor is in contact with the connecting disc of the scroll, the scroll is driven to rotate by the operation of the first motor, a pressing block rises under the traction of a lifting belt, the hydraulic push rod moves reversely after the pressing block rises to a certain height, the two connecting discs are separated, and the pressing block moves under the action of gravity to realize the impact on the building board in the vibrating disc, so that the building board is cracked under the impact, and the building board can achieve the required effect through the repeated operation of the pressing block; when the pressing block stops moving, the vibrating disc can vibrate continuously through the rotation of the second motor, the cracked building boards are shaken off from the screening holes and enter the funnel, for some building boards containing reinforcing steel bars, the reinforcing steel bars can be left in the vibrating disc, and the reinforcing steel bars can be poured out of the vibrating disc through the rotation of the vibrating disc; the large building garbage falling in the hopper can move downwards; through the rotation of third motor, the continuous emergence of distance between clamp plate that can make and the vice clamp plate is changed to continue to extrude the breakage to bold building rubbish, become fritter building rubbish, and on falling the carousel, the carousel can rotate, further extrudees through compression roller and carousel, realizes further breakage for little disintegrating slag, and little disintegrating slag can flow out from the blown down tank under the effect of carousel, can use.

Drawings

FIG. 1 is a schematic view of a first configuration of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of a third construction of the present invention;

FIG. 4 is a schematic view of a first configuration of the rolling compaction apparatus of the present invention;

FIG. 5 is a schematic view of a second embodiment of the rolling compaction apparatus of the invention;

FIG. 6 is a schematic view of a first configuration of the secondary crushing apparatus of the present invention;

FIG. 7 is a schematic view of a second embodiment of the secondary crushing apparatus of the present invention;

FIG. 8 is a schematic view of the first primary crushing apparatus of the present invention;

FIG. 9 is a schematic structural view of a second primary crushing apparatus of the present invention;

FIG. 10 is a schematic structural view of a third primary crushing apparatus of the present invention;

FIG. 11 is a schematic view of the structure of the vibrating slide rail and vibrating disk of the present invention;

fig. 12 is a schematic view of the coupling disc structure of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 12 is:

1 primary crushing device, 101 vibrating slide rail, 102 vibrating disc, 1021 sieving hole, 1022 sliding groove, 103 first motor, 104 vertical slide rail, 105 pressing block, 1051 impact block, 106 lifting belt, 107 supporting table, 108 reel, 109 coupling disc, 110 second motor, 1101 crank, 111 hydraulic push rod, 2 secondary crushing device, 201 funnel, 2011 auxiliary pressing plate, 2016 supporting column, 2019 strip-shaped supporting plate, 202 third motor, 203 crank shaft, 204 coupling plate, 205 pressing plate, 206 synapse, 3 rolling device, 301 chassis, 3011 protecting plate, 3012 discharging groove, 3013 guiding plate, 3015 second ring groove, 302 fourth motor, 303 stabilizing disc, 3031 stabilizing, 3032 supporting roller, 304 rotating disc, 3043 columnar bump, 305 compression roller, 305tray support, 4 bottom plate tray support, 3055 tray support

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention, taken in conjunction with the accompanying drawings and detailed description, is set forth below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A crushing apparatus for civil engineering and a working method thereof according to some embodiments of the present invention will be described with reference to fig. 1 to 12.

As shown in fig. 1 to 3, there is provided a crushing apparatus for civil engineering according to some embodiments of the present invention, including: first breaker 1, secondary breaker 2 and rolling machine 3, first broken 1 device can rely on gravity to strike the decomposition to massive building rubbish with the monoblock abandonment shingle nail body, can reject the reinforcing bar that mix with in the wall body simultaneously, the reinforcing bar can be poured alone, secondary breaker 2 can be further broken into the building rubbish of fritter through the extruded mode to massive building rubbish, rolling machine 3 can further smash the building rubbish of fritter through the mode that gravity rolled, the volume of building rubbish has further been reduced, thereby convenient direct the use.

As shown in fig. 4-5, the rolling device 3 includes a chassis 301, a fourth motor 302, a stabilizing disc 303, a turntable 304, and a pressing roller 305, a main body of the chassis 301 is a cylindrical table solid disc, a central position above the chassis 301 is fixedly installed with the fourth motor 302, a spindle direction of the fourth motor 302 coincides with an axial direction of the chassis 301, the turntable 304 is connected above a spindle of the fourth motor 302, the turntable 304 is a circular disc body, the turntable 304 slowly rotates under the driving of the fourth motor 302, the turntable 304 coaxially performs relative rotation above the chassis 301, the stabilizing disc 303 is arranged between the chassis 301 and the turntable 304, the rotation of the turntable 304 has stability through the support of the stabilizing disc 303, the pressing roller 305 is rotatably connected above the turntable 304 through a bracket 3051, the pressing roller 305 is a cylinder, the pressing roller 305 is in contact with the turntable 304, the pressing roller 305 can freely rotate, a free rotation direction of the pressing roller 305 is tangential to a rotation direction of the turntable, so as to achieve a relative pressing effect of the pressing roller 305 and the turntable 304, the periphery of the turntable 304 has a protective plate 3011, the protective plate 301 is connected with the protective plate 3011 and does not rotate, the pressing roller 3011, the protective plate 3011 has a guiding effect that the pressing roller 3012 moves to the protective plate and the discharging plate 3012 and the plate moves to flow out from the vicinity of the protective plate and the discharging guide plate to the discharging groove 3013.

The stabilizing disc 303 comprises a stabilizing disc frame 3031 and a supporting roller 3032, the stabilizing disc 303 is a circular disc body, the upper surface and the lower surface of the stabilizing disc are smooth and are in sliding contact with the chassis 301 and the turntable 304 respectively, the circle center of the stabilizing disc 303 coincides with the axis of the fourth motor 302, the middle of the stabilizing disc 303 is of a hollow structure and is rotatably connected with the supporting roller 3032, the supporting roller 3032 is more than or equal to three and is symmetrically arranged, and the stabilizing disc has stability in use, the side surface of the supporting roller 3032 is in tangential rolling contact with the chassis 301, the side surface of the supporting roller 3032 is in tangential rolling contact with the turntable 304, a first annular groove is arranged below the turntable 304, a second annular groove 3015 is arranged above the chassis 301, and the supporting roller 3032 is simultaneously arranged in the first annular groove and the second annular groove 3015, so that the supporting roller 3032 has stability in movement.

A columnar bump 3043 is arranged at the center above the turntable 304, the guide plate 3013 is tangent to the columnar bump 3043, the angle deflection direction of the guide plate 3013 forms an obtuse angle with the tangential movement direction of the turntable 304, so that in the use process, the guide plate 3013 can have a better guiding effect, the width of the pressing roller 305 is equal to the maximum distance allowed between the columnar bump 3043 and the protective plate 3011, the number of the pressing rollers 305 is greater than or equal to two, the pressing rollers are uniformly arranged, and the pressing roller 305 has a better rolling effect.

As shown in fig. 6-7, the secondary crushing device 2 includes a funnel 201, a third motor 202, a crankshaft 203, a connecting plate 204, and a pressing plate 205, where the funnel 201 is a square funnel, the funnel 201 is directly above the chassis 301, an outlet below the funnel 201 has an auxiliary pressing plate 2011 whose vertical cross section is C-shaped, a lower end of the auxiliary pressing plate 2011 is hinged to a lower end of the pressing plate 205, the pressing plate 205 is a flat plate, the third motor 202 is fixedly connected below the funnel 201, a main shaft of the third motor 202 is connected to the crankshaft 203, the crankshaft 203 is hinged to one end of the connecting plate 204, the connecting plate 204 is a square plate, another end of the connecting plate 204 is hinged to an upper end of the pressing plate 205, the pressing plate 205 and the auxiliary pressing plate 2011 form a right trapezoid, a horizontal distance between the pressing plate 205 and the auxiliary pressing plate 2011 is gradually reduced from top to bottom, rotation of the third motor 202 can make the pressing plate 205 swing continuously, relative change in position between the pressing plate 205 and the auxiliary pressing plate 2011 generates an extrusion effect, and thus realizing crushing of garbage.

Furthermore, the pressing plate 205 is wrapped in the auxiliary pressing plate 2011, so that the construction waste is prevented from flying out of the auxiliary pressing plate 2011 in the use process, synapses 206 are arranged on the surfaces of the pressing plate 205 and the auxiliary pressing plate 2011, and the synapses 206 are in contact with blocky construction waste, so that the pressure intensity can be increased, and the crushing effect of the construction waste is improved; the lower end of the auxiliary pressing plate 2011 is arranged behind the guide plate 3013, so that small building rubbish falling from the lower side of the auxiliary pressing plate 2011 has a longer movement distance after falling on the turntable 304, and the rolling effect is improved through multiple times of rolling by the plurality of pressing rollers 305; chassis 301 below is fixed on bottom plate 4, and the four corners of funnel 201 is passed through support column 2016 and is fixed on bottom plate 4 for relative position's removal can not take place for secondary crushing device 2 and rolling device 3 in the use, has avoided the influence to the result of use.

As shown in fig. 8-12, the primary crushing device 1 includes a vibration slide rail 101, a vibration plate 102, a first motor 103, a vertical slide rail 104, a pressing block 105, a lifting belt 106, a supporting table 107, a reel 108, a coupling disc 109, a second motor 110, and a hydraulic push rod 111, wherein strip-shaped support plates 2019 are provided on the left and right sides above a funnel 201, the vibration slide rail 101 is hinged to one end above the support plate 2019, the vibration slide rail 101 is a frame body having sliding grooves on the left and right sides, the vibration slide rail 101 can rotate around the hinged position, the vibration plate 102 is slidably connected in the vibration slide rail 101, the vibration plate 102 is a box body having an opening on the top, the vibration slide rail 101 can drive the vibration plate 102 to rotate, the vibration plate 102 has a screening hole 1021 in the vertical direction, one end of the vibration plate 102 in the sliding direction passes through the vertical direction of the vibration slide rail 101 and has a sliding groove 1022, the side of the vibration slide rail 101 is connected to the second motor 110, two ends of a main shaft of the second motor 110 are connected to one end of a crank 1101, the other end of the crank 1101 is slidably connected with the sliding groove 1022, the rotation of the second motor 110 can make the vibration disc 102 rotate, the vertical sliding rails 104 are arranged on two sides of the hopper, the vertical sliding rails 104 are provided with sliding grooves and slidably connected with a pressing block 105, the pressing block 105 is a square block and has weight, a plurality of conical impact blocks 1051 are arranged below the pressing block 105, one end of a lifting belt 106 is connected above the pressing block 105, the lifting belt 106 is a flat belt, the supporting table 107 is jointly connected above the vertical sliding rails 104 on two sides, the supporting table 107 is a horizontal plate, a scroll 108 is rotatably connected on the supporting table 107, the scroll 108 is a shaft body, the other end of the lifting belt 106 rolls on the scroll 108, one end of the scroll 108 is connected with a coupling disc 109, the end face of the coupling disc 109 is provided with inverted triangular teeth, which has the effect of unidirectional force, the first motor 103 is slidably connected on the supporting table 107 through the matching of the sliding rails, the spindle of the first motor 103 is also connected with a coupling disc 109, a hydraulic push rod 111 is connected to the housing of the first motor 103, and the hydraulic push rod 111 can push the first motor 103 to move so that the coupling disc 109 of the first motor 103 is in contact with or separated from the coupling disc 109 of the reel 108.

The conical striking piece 1051 in briquetting 105 below is conical, can increase the pressure in the use, the screening hole 1021 and the striking piece 1051 of vibration dish 102 are relative one-to-one, the diameter of screening hole 1021 equals the maximum diameter that strikes piece 1051, the vibration range less than or equal to the half of screening hole 1021 diameter of vibration dish 102 for briquetting 105 is in the use, strikes piece 1051 and can enter into screening hole 1021 all the time, can not cause the damage to vibration dish 102.

A working method of a smashing device for civil engineering comprises the following steps: placing a building board to be crushed in a vibrating disc 102, pushing a first motor 110 to be close to a reel 108 by a hydraulic push rod 111, enabling a coupling disc 109 of the first motor 103 to be in contact with a coupling disc 109 of the reel 108, driving the reel 108 to rotate by the operation of the first motor 103, pulling by a lifting belt 106, enabling a pressing block 105 to ascend, enabling the hydraulic push rod 111 to move reversely after the pressing block 105 ascends to a certain height, separating the two coupling discs 109, enabling the pressing block 105 to move under the action of gravity, realizing the impact on the building board in the vibrating disc 102, enabling the building board to be cracked under the impact, and enabling the building board to achieve the required crushing effect through multiple operations of the pressing block 105; after the pressing block 105 stops moving, the vibration disc 102 can vibrate continuously through the rotation of the second motor 110, the broken building boards are shaken off from the screening holes 1051 and enter the funnel 201, for some building boards containing reinforcing steel bars, the reinforcing steel bars can be left in the vibration disc 102, and the reinforcing steel bars can be poured out of the vibration disc 102 through the rotation of the vibration disc 102; large building garbage dropped in the hopper 201 may move downward; through the rotation of third motor 202, the distance that can make between clamp plate 205 and the vice clamp plate 2011 constantly changes to continue to extrude the breakage to bold construction waste, become fritter construction waste, and fall on carousel 304, carousel 304 can rotate, further extrudees through compression roller 305 and carousel 304, realizes further breakage to little disintegrating slag, and little disintegrating slag can flow out from blown down tank 3012 under the effect of carousel, can use.

In the present invention, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

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. The utility model provides a reducing mechanism for civil engineering which characterized in that includes: the primary crushing device, the secondary crushing device and the rolling device;

the rolling device comprises a chassis, a fourth motor, a stable disc, a turntable and a compression roller, wherein the chassis main body is a cylindrical table body solid disc, the fourth motor is arranged at the center above the chassis, a main shaft of the fourth motor is connected with the turntable, the turntable is driven by the fourth motor to rotate, the turntable coaxially rotates above the chassis in a relative manner, the stable disc is arranged between the chassis and the turntable, the compression roller is arranged above the turntable, the compression roller is in contact with the turntable and can freely rotate, the free rotation direction of the compression roller is tangent to the rotation direction of the turntable, a protective plate is arranged around the turntable, a discharge chute and a guide plate pointing to the vicinity of the axis of the turntable are arranged on the protective plate, and the compression roller and the turntable move in a relative manner;

the secondary crushing device comprises a funnel, a third motor, a crankshaft, a connecting plate and a pressing plate, wherein the funnel is arranged right above the chassis, an auxiliary pressing plate is arranged at an outlet below the funnel, one end of the auxiliary pressing plate is hinged with one end of the pressing plate, the third motor is fixedly connected below the funnel, a main shaft of the third motor is connected with the crankshaft, the crankshaft is hinged with one end of the connecting plate, the other end of the connecting plate is hinged with the other end of the pressing plate, the pressing plate and the auxiliary pressing plate form a right trapezoid, and the horizontal distance between the pressing plate and the auxiliary pressing plate is gradually reduced from top to bottom;

the primary crushing device comprises a vibration slide rail, a vibration disc, a first motor, a vertical slide rail, a pressing block, a lifting belt, a supporting table, a scroll, a coupling disc, a second motor and a hydraulic push rod, wherein a supporting plate is arranged above the funnel, one end above the supporting plate is hinged and connected with the vibration slide rail, the vibration disc is connected in the vibration slide rail in a sliding manner, a screening hole is formed in the vertical direction of the vibration disc, a sliding groove is formed in the vertical direction of one end of the sliding direction of the vibration disc, the second motor is connected onto the vibration slide rail, one end of a crank is connected onto a main shaft of the second motor, the other end of the crank is connected with the sliding groove in a sliding manner, the vertical slide rail is arranged above the funnel, the pressing block is connected in the vertical slide rail in a sliding manner, the pressing block has weight, the lower portion of the pressing block has a conical impact block, the upper portion of the pressing block is connected with one end of the lifting belt, the upper portion of the vertical slide rail is connected with the supporting table, the supporting table is connected onto the supporting table, the supporting table is connected with the scroll, the other end of the lifting belt is connected onto the scroll, one end of the winding belt is connected onto the scroll, one end of the scroll is connected onto the scroll, one end of the winding shaft is connected onto the coupling disc, the first motor is connected onto the coupling disc, one end of the hydraulic push rod is connected onto the housing of the first motor, and one end of the hydraulic push rod is connected onto the hydraulic push rod;

when the pressing block stops moving, the vibration disc can vibrate continuously through the rotation of the second motor, the cracked building board is shaken off from the screening holes and enters the funnel, and for the building board containing reinforcing steel bars, the reinforcing steel bars can be left in the vibration disc, and the reinforcing steel bars can be poured out of the vibration disc through the rotation of the vibration disc; the large building garbage falling in the hopper can move downwards; through the rotation of third motor, the continuous emergence of distance between clamp plate that can make and the vice clamp plate is changed to continue to extrude the breakage to bold building rubbish, become fritter building rubbish, and on falling the carousel, the carousel can rotate, further extrudees through compression roller and carousel, realizes further breakage for little disintegrating slag, and little disintegrating slag can flow out from the blown down tank under the effect of carousel, can use.

2. The smashing device for civil engineering according to claim 1, wherein: the stabilizer disc includes stabilizer disc frame and supporting roller, the stabilizer disc is circular disk body, and the upper and lower surface is smooth, respectively with the chassis with carousel sliding contact, the centre of a circle of stabilizer disc with the axle center coincidence of fourth motor, be hollow out construction in the middle of the stabilizer disc, and rotate and be connected with supporting roller, supporting roller's quantity more than or equal to three and be symmetrical arrangement, supporting roller's side with chassis tangential rolling contact, supporting roller's side with carousel tangential rolling contact, there is first annular the carousel below, the chassis top has the second annular, supporting roller is in simultaneously first annular with in the second annular.

3. The smashing device for civil engineering according to claim 1, wherein: the rotary table is characterized in that a columnar bump is arranged at the center above the rotary table, the guide plate is tangent to the columnar bump, the angle deflection direction of the guide plate and the tangential movement direction of the rotary table form an obtuse angle, the guide plate can achieve a better guiding effect, the width of the compression roller is equal to the maximum distance allowed between the columnar bump and the guard plate, and the number of the compression rollers is larger than or equal to two.

4. The smashing device for civil engineering according to claim 1, wherein: the cross section of the secondary pressing plate is C-shaped, the pressing plate is wrapped in the secondary pressing plate, and synapse is formed between the pressing plate and the surface of the secondary pressing plate.

5. The smashing device for civil engineering according to claim 1, wherein: the lower end of the auxiliary pressure plate is arranged behind the guide plate.

6. The smashing device for civil engineering according to claim 1, wherein: the lower part of the chassis is fixed on the bottom plate, and four corners of the funnel are fixed on the bottom plate through support columns.

7. The smashing device for civil engineering according to claim 1, wherein: the conical striking piece in briquetting below is conical, the vibration dish the screening hole with striking piece one-to-one, the diameter in screening hole equals the maximum diameter of striking piece, the vibration range less than or equal to of vibration dish screening hole diameter's half.