Construction waste recovery device for constructional engineering

Abstract

The invention discloses a construction waste recovery device for constructional engineering, and relates to the field of constructional engineering. According to the construction waste recycling device for construction engineering, the input assembly, the crushing assembly, the crushing assembly, the rolling and rubbing assembly and the shearing assembly are arranged in the shell, the input assembly moves construction waste to the crushing assembly, and large concrete blocks on the surface of the large construction waste are crushed into small concrete blocks through the crushing assembly; then the small concrete blocks are crushed again by the crushing assembly, the steel structure net adhered with some concrete blocks enters the rolling and rubbing assembly, the steel structure net is rolled and rubbed by the rolling and rubbing assembly, residual concrete adhered on the steel structure net is rubbed off, the concrete on the surface of the steel structure net is removed as much as possible, and the stripped concrete part falls into the screen; the construction waste is repeatedly crushed by the crushing assembly to a proper particle size and then leaked from the screen mesh for recovery, so that the whole-process recovery treatment operation of the construction waste is realized, the structure is compact, and the efficiency is higher.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building engineering, and particularly relates to a building waste recycling device for building engineering. BACKGROUND

[0002] Building waste refers to waste materials generated in the process of new construction, reconstruction, expansion, decoration or demolition of buildings, structures, roads, bridges and the like, mainly including solid waste such as waste concrete, waste bricks, waste mortar, waste metal, waste wood, waste plastic, waste glass and slag. Among them, the concrete blocks containing steel bars are typical building waste with large volume, high recycling value and complex processing technology requirements. The fundamental reason for recycling building waste lies in the huge environmental pressure and resource waste problem: on the one hand, the traditional landfill or stacking disposal method occupies a large amount of valuable land resources, destroys the ecological environment, and causes dust pollution and water and soil pollution risk; on the other hand, building waste itself contains considerable renewable resource value, especially the aggregate and metal, and not recycling means continuous consumption of natural mineral resources and waste of energy. The core significance of recycling building waste lies in promoting the development of circular economy, realizing the multiple win goal of resource conservation, environmental protection and sustainable development. The beneficial effects mainly include: significantly reducing the dependence on the exploitation of non-renewable mineral resources such as natural sandstone, protecting the ecological environment of natural mountains and riverbeds; greatly reducing the landfill amount of building waste, saving land resources and reducing the environmental pressure of landfill sites; reducing energy consumption and carbon emissions caused by the production of new materials and the transportation and disposal of waste, helping to achieve the "double carbon" goal; at the same time, it can also create economic value, reduce building material production cost, cultivate new environmental protection industry, create employment opportunities, and in summary, building waste recycling, especially the efficient recycling of steel reinforced concrete, is a key measure to realize efficient recycling of resources, reduce environmental load and promote green and low-carbon transformation of the construction industry, which has far-reaching resource, environmental, economic and social benefits.

[0003] A building waste recycling and reusing device for building engineering is disclosed in Chinese patent application CN113145204A, which comprises a bottom plate, an outer shell and a belt. A partition plate is arranged in the outer shell, and a support plate is installed in the outer shell and located on one side of the partition plate. Four vibration mechanisms are installed on the support plate. The vibration mechanism comprises a bottom block, a spring and a fixed block. The bottom block is installed on the support plate, the spring is fixedly connected to the bottom block, and the fixed block is fixedly connected to the spring. A fourth driving motor is installed on the bottom plate, and a driving wheel is installed at the output end of the fourth driving motor. A pair of second support blocks are installed on the bottom plate, and a second rotating column is rotatably connected between the two second support blocks. A driven wheel is installed on the second rotating column. The driving wheel and the driven wheel are drivingly connected through the belt. Another second rotating column is rotatably connected in the inlet, and a conveyor belt is drivingly connected between the two second rotating columns. The device is convenient for separating concrete and iron products and conducive to the re-collection and utilization of concrete and iron products.

[0004] The existing building waste recycling device for construction engineering is used for crushing and processing small building waste, and the structural design is more focused on the crushing of small building waste and the extraction of metal. However, some building waste with steel bars inside, such as walls and beams, has a large volume and a long structure, and the existing equipment cannot directly process it. A crusher device is needed to break the concrete block part on the surface of the large building waste to expose it, and then manually cut the exposed steel bars to break the large building waste into small building waste that can be processed by the existing equipment. The processing process is complicated, and the existing equipment cannot directly handle the entire processing process of large building waste, so related structural improvements are needed. SUMMARY

[0005] The purpose of the present application is to provide a building waste recycling device for construction engineering to solve the problem that the existing technology is more used for processing small building waste and cannot process large building waste with steel structure net inside.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a building waste recycling device for construction engineering, comprising a shell and a screen connected to the bottom of the shell, the shell is internally provided with:

[0007] An input component for inputting materials into the shell;

[0008] A crushing assembly comprising a plurality of crushing cones connected to the shell and a first transmission assembly in transmission connection with the crushing cones, the crushing cones act under the action of the first transmission assembly and crush the input materials;

[0009] A crushing assembly comprising a plurality of crushing rollers provided on the shell, the crushing roller comprising a first transmission shaft connected to the shell and a crushing hammer connected to the first transmission shaft, the shell is externally provided with a second transmission assembly in transmission connection with the crushing roller;

[0010] A rolling and rubbing assembly, which is provided adjacent to the shell in two groups, comprises a second transmission shaft connected to the shell, a sliding key connected to the second transmission shaft, and a sleeve sleeved on the second transmission shaft through the sliding key, the sleeve is provided with a protrusion, the shell is provided with a rotary driving piece in transmission connection with the second transmission shaft, and the end surface of the sleeve extending out of the shell is provided with a sliding groove in a wave shape, and the shell is connected with a plug rod inserted into the sliding groove;

[0011] A shearing assembly for shearing the input materials.

[0012] Preferably, the input assembly comprises a guide plate connected to the shell, a conveying roller rotatably connected to the shell, and a first motor fixedly connected to the shell, the first motor being in driving connection with the conveying roller.

[0013] Preferably, the shell is connected with a rotating shaft, the guide plate is rotatably connected to the rotating shaft, and the guide plate is provided with a groove for accommodating the conveying roller, the shell is fixedly connected with a plurality of pads arranged below the guide plate, the pads are arranged in a curved manner, the heights of the pads gradually decrease along the length direction of the shell, and the guide plate is inclined to rest on the pads.

[0014] Preferably, the first transmission assembly comprises a crankshaft rotatably connected to the shell and a plurality of swing arms hingedly connected between the crankshaft and the crushing cone, and the shell is connected with a second motor in driving connection with the crankshaft.

[0015] Preferably, the crushing rollers are arranged in two groups, each group comprising two crushing rollers, the second transmission assembly comprises a driven gear connected to a first transmission shaft of each group of two crushing rollers, the two driven gears are in meshing connection with each other, the shell is connected with a third motor, and the output shaft of the third motor is fixedly connected with a driving gear in meshing connection with one of the driven gears.

[0016] Preferably, the plurality of protrusions are arranged in a row-shaped annular array on the sleeve.

[0017] Preferably, the shearing assembly comprises a slide rail fixedly connected to the inner wall of the shell, a hydraulic clamp slidably connected to the slide rail, and a hydraulic rod connected to the hydraulic clamp, the hydraulic rod being fixedly connected to the shell.

[0018] Preferably, the shell is connected with a baffle arranged in an arc-shaped curved manner.

[0019] Preferably, the screen is arranged below the crushing assembly.

[0020] Compared with the prior art, the building waste recycling device for building engineering provided by the application has the input assembly, the crushing assembly, the crushing assembly, the rubbing assembly and the shearing assembly arranged in the shell, when processing the concrete wallboard or the large block building waste with steel structure such as structural beam, the building waste is moved to the crushing assembly by the input assembly, the large block concrete on the surface of the large block building waste is crushed into small block concrete by the crushing assembly, then the small block concrete is crushed again by the crushing assembly, so that the concrete block is stripped from the surface of the steel structure, then the steel structure net with a little concrete block adhered enters between the rubbing assemblies, the residual concrete adhered on the steel structure net is rubbed off by the rubbing assembly, and the concrete on the surface of the steel structure net is removed as much as possible, the steel structure is cut off by the shearing assembly and recycled, the concrete part on the building waste is stripped by the crushing assembly and the rubbing assembly, the stripped concrete part falls on the screen, and after repeated crushing by the crushing assembly to the appropriate particle size, the concrete part is leaked through the screen and recycled, so that the whole process recycling operation of the large block building waste with steel structure is realized, the structure is compact, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0022] Figure 1 The overall structure of the recycling device provided by the embodiment of the present application is shown in the figure. Figure 1 ;

[0023] Figure 2 The structure of part A in the embodiment of the present application is shown in the figure. Figure 1

[0024] Figure 3 The overall structure of the recycling device provided by the embodiment of the present application is shown in the figure. Figure 2 ;

[0025] Figure 4 The internal structure of the recycling device provided by the embodiment of the present application is shown in the figure. Figure 1 ;

[0026] Figure 5 The internal structure of the recycling device provided by the embodiment of the present application is shown in the figure. Figure 2 ;

[0027] Figure 6 The sleeve cross-section structure provided by the embodiment of the present application is shown in the figure.

[0028] Explanation of reference signs:

[0029] ​1, shell; 2, screen; 3, rotating shaft; 4, guide plate; 5, backing plate; 6, conveying roller; 7, first motor; 8, crankshaft; 9, swing arm; 10, crushing cone; 11, second motor; 12, first transmission shaft; 13, crushing hammer; 14, third motor; 15, driving gear; 16, driven gear; 17, second transmission shaft; 18, sliding key; 19, sleeve; 20, protrusion; 21, rotary drive; 22, sliding groove; 23, insertion rod; 24, sliding rail; 25, hydraulic clamp; 26, hydraulic rod; 27, baffle. DETAILED DESCRIPTION

[0030] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.

[0031] As shown in the accompanying drawings Figure 1 to the accompanying Figure 6 drawings:

[0032] Example 1

[0033] The present application provides a construction waste recycling device for construction engineering, comprising a shell 1 and a screen 2 connected to the bottom of the shell 1, the shell 1 is internally provided with:

[0034] An input assembly for inputting materials into the shell 1;

[0035] A crushing assembly comprising a plurality of crushing cones 10 connected to the shell 1 and a first transmission assembly in transmission connection with the crushing cones 10, the crushing cones 10 act under the action of the first transmission assembly and crush the input materials;

[0036] A crushing assembly comprising a plurality of crushing rollers provided on the shell 1, the crushing rollers comprising a first transmission shaft 12 connected to the shell 1 and a crushing hammer 13 connected to the first transmission shaft 12, the shell 1 is externally provided with a second transmission assembly in transmission connection with the crushing rollers, and the screen 2 is located below the crushing assembly;

[0037] A rolling assembly, which is arranged adjacent to the shell 1 in two groups, comprises a second transmission shaft 17 connected to the shell 1, a sliding key 18 connected to the second transmission shaft 17 and a sleeve 19 slidably sleeved on the second transmission shaft 17 through the sliding key 18, the sleeve 19 is provided with protrusions 20, a plurality of the protrusions 20 are arranged in an array on the sleeve 19, the shell 1 is provided with a rotary drive 21 in transmission connection with the second transmission shaft 17, and the end surface of the shell 1 extending out of the sleeve 19 is provided with a sliding groove 22 arranged in a wave shape, and the shell 1 is connected with an insertion rod 23 inserted into the sliding groove 22;

[0038] A shearing assembly for shearing the input materials.

[0039] From the above, by setting the input assembly, crushing assembly, crushing assembly, rubbing assembly and shearing assembly inside the shell 1, when processing concrete wallboard or structural beam and other large block construction waste with steel structure, the construction waste is moved to the crushing assembly by the input assembly, the large block construction waste is crushed into small block concrete by the crushing assembly, then the small block concrete is crushed again by the crushing assembly, so that the concrete block is peeled off from the steel structure surface, then the steel structure net adhered with some concrete blocks enters between the rubbing assembly, the steel structure net is rubbed by the rubbing assembly, the residual concrete adhered on the steel structure net is rubbed off, the concrete on the surface of the steel structure net is removed as much as possible, the steel structure is cut off by the shearing assembly and recycled, the concrete part on the construction waste is peeled off by the crushing assembly and the rubbing assembly, the peeled concrete part falls in the screen 2, and is repeatedly crushed to the appropriate particle size by the crushing assembly, then leaks out of the screen 2 for recycling, so as to realize the whole process recycling operation of the large block construction waste with steel structure, the structure is compact and the efficiency is high.

[0040] Working principle: the user can put the large block construction waste with steel structure net on the input assembly by the clamping jaw device, the large block construction waste is brought into the shell 1 by the input assembly, then the first transmission assembly drives the crushing cone 10 to move, the concrete blocks on the surface of the large block construction waste are crushed into small block concrete by the crushing cone 10, then the first transmission shaft 12 and the crushing hammer 13 are driven to rotate by the second transmission assembly, the small block concrete is crushed by the rotating crushing hammer 13, so that most of the concrete is separated from the steel structure, when the steel structure adhered with a small part of the concrete enters the rubbing assembly, the second transmission shaft 17 and the slide key 18 are driven to rotate by the rotary drive 21, the sleeve 19 is driven to rotate by the slide key 18, the plug rod 23 is inserted into the sliding groove 22 at the end of the rotating sleeve 19, since the sliding groove 22 is arranged in a wave ring shape, the plug rod 23 can force the sleeve 19 to reciprocate on the second transmission shaft 17 along the slide key 18, the rotating and reciprocating sleeve 19 can roll off the concrete adhered on the steel structure by the lug 20, so that the finally recycled steel structure does not contain much concrete, the concrete separated by the crushing assembly and the rubbing assembly finally falls in the screen 2, since the lower part of the crushing assembly is located in the screen 2, the small block concrete in the screen 2 can be continuously crushed, the concrete particles with a particle size smaller than the mesh number of the screen 2 can pass through the screen 2, and the processed steel structure net is cut off by the shearing assembly and recycled.

[0041] Example two:

[0042] This example is basically the same as the previous example, the difference is that, as shown in the accompanying drawings Figure 4 to the accompanying drawings Figure 5As shown: the input assembly includes a guide plate 4 connected to the shell 1, a conveying roller 6 rotatably connected to the shell 1, and a first motor 7 fixedly connected to the shell 1, the first motor 7 is in transmission connection with the conveying roller 6, the output shaft of the first motor 7 can drive the conveying roller 6 to rotate, and the rotating conveying roller 6 can drive the material on the guide plate 4 to move towards the inside of the shell 1.

[0043] The shell 1 is connected with a rotating shaft 3, the guide plate 4 is rotatably connected to the rotating shaft 3, and the guide plate 4 is provided with a groove for accommodating the conveying roller 6, a plurality of pad plates 5 are fixedly connected to the shell 1 and arranged below the guide plate 4, the pad plates 5 are arranged in a curved manner, the heights of the plurality of pad plates 5 gradually decrease along the length direction of the shell 1, and the guide plate 4 is inclined and supported on the pad plates 5, at this time the guide plate 4 as a whole is inclined towards the inside of the shell 1, when the conveying roller 6 drives the material to move on the guide plate 4, the breaking cone 10 applies downward pressure to the material, and the guide plate 4 applies pressure to the pad plates 5 after bearing the pressure of the breaking cone 10 and the material, the pad plates 5 bear intermittent pressure due to the intermittent contact between the breaking cone 10 and the material, the pad plates 5 can repeatedly bend and deform when the bearing force repeatedly changes, so as to make the guide plate 4 swing around the rotating shaft 3 at a small amplitude, and make the material move on the surface of the guide plate 4.

[0044] Embodiment three:

[0045] This embodiment is basically the same as the previous embodiment, as shown in the accompanying Figure 3 to the accompanying Figure 5 As shown: the first transmission assembly includes a crankshaft 8 rotatably connected to the shell 1 and a plurality of swing arms 9 hingedly connected between the crankshaft 8 and the breaking cone 10, the shell 1 is connected with a second motor 11 in transmission connection with the crankshaft 8, the second motor 11 can drive the crankshaft 8 to rotate, the rotating crankshaft 8 drives the plurality of swing arms 9 to rotate, the breaking cone 10 is slidably connected to the shell 1, and the rotating swing arms 9 drive the plurality of breaking cones 10 to reciprocate on the shell 1, and the breaking cones 10 reciprocating can break the large pieces of concrete.

[0046] The crushing rollers are provided in two groups, each group is provided with two crushing rollers, the second transmission assembly includes a driven gear 16 connected to a first transmission shaft 12 of each group of two crushing rollers, the two driven gears 16 are in meshing connection with each other, the shell 1 is connected with a third motor 14, and the output shaft of the third motor 14 is fixedly connected with a driving gear 15 in meshing connection with one of the driven gears 16.

[0047] In order to achieve effective crushing of hard materials such as small pieces of concrete, the device is designed with a set of precision transmission and crushing execution mechanism driven by the third motor 14. The core power transmission path is as follows: after the third motor 14 as the initial power source is started, its output shaft drives the driving gear 15 to rotate at high speed. The driving gear 15 is in close mesh with the driven gear 16 which has larger size or different number of teeth. Through the meshing transmission of the gear pair, the rotary motion of the driving gear 15 is effectively transmitted and converted into the rotary motion of the driven gear 16. This gear reduction process not only transmits torque, but also adjusts the final output speed and power according to the actual crushing requirements.

[0048] The rotating driven gear 16 is fixedly installed in the center hole of the first transmission shaft 12. Therefore, the rotary motion of the driven gear 16 is directly converted into the rotary motion of the first transmission shaft 12 around its own axis. The first transmission shaft 12 as the key force bearing and motion transmission component has the crushing hammer 13 installed on its surface to perform the crushing function. Thus, the rotation of the first transmission shaft 12 drives the crushing hammer 13 to rotate at high speed synchronously without any delay.

[0049] The crushing hammer 13 is not a simple solid hammer body. In order to maximize its crushing efficiency, in view of the characteristics of concrete being hard and easy to produce fragments, the design specially focuses on impact and tearing effect. On the end side of the crushing hammer 13, protruding structures or sharp tips can be specially provided. These protrusions or tips are like the edges of a "war hammer". When the crushing hammer 13 rotates at high speed, the peripheral speed is very high, and these protrusions or tips become the "spears" that directly impact the material. They can concentrate on the surface of small pieces of concrete with very high kinetic energy, produce strong local impact force and shear force, and instantly break through the compressive and tensile strength limit of concrete, thereby efficiently crushing, tearing and breaking it into smaller particles.

[0050] The shearing assembly includes a sliding rail 24 fixedly connected to the inner wall of the shell 1, a hydraulic clamp 25 slidingly connected to the sliding rail 24, and a hydraulic rod 26 connected to the hydraulic clamp 25. The hydraulic rod 26 is fixedly connected to the shell 1. When the steel structure after removing the concrete moves to the end of the hydraulic clamp 25, the hydraulic rod 26 can drive the hydraulic clamp 25 to move inside the sliding rail 24. The moving hydraulic clamp 25 will cut off the steel structure, facilitating the subsequent recycling of the steel structure.

[0051] In order to efficiently, smoothly and safely guide the steel structure to be processed to the cutting end of the hydraulic clamp 25 for precise cutting, the device is specially designed and fixed with a baffle 27 with a specific geometric shape at a key position of the shell 1. The baffle 27 is not a simple flat structure, but is carefully calculated and designed to present a significantly smooth arc-shaped bending form. This unique arc-shaped design is the key to its core function. When the steel structure moves towards the hydraulic clamp 25, it will inevitably first contact the curved surface of the baffle 27. The baffle 27 plays a role of forced guidance and path constraint at this time. Its solid arc-shaped surface will effectively "block" the steel structure that tries to deviate from the preset path, not stopping it harshly, but using its smooth and continuous curved surface to exert a continuous and soft lateral guiding force. This guiding force forces the steel structure to move in compliance with the bending profile of the baffle 27. Under the constraint of the baffle 27, the motion trajectory of the steel structure is accurately constrained, pointing to the center of the hydraulic clamp 25 knife.

[0052] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present application.

Claims

1. A construction waste recycling device for construction engineering, comprising a housing (1) and a screen (2) connected to the bottom of the housing (1), characterized in that: The housing (1) is provided with: An input component for inputting material into the housing (1); A crushing assembly comprising a plurality of crushing cones (10) connected to the housing (1) and a first transmission assembly in transmission connection with the crushing cones (10), wherein the crushing cones (10) are actuated by the first transmission assembly to crush input materials; A pulverizing assembly comprises a plurality of pulverizing rollers arranged on a housing (1), the pulverizing rollers comprising a first transmission shaft (12) connected to the housing (1) and a pulverizing hammer (13) connected to the first transmission shaft (12), and a second transmission assembly in transmission connection with the pulverizing rollers is arranged outside the housing (1); The rolling assembly is provided in two groups adjacent to each other on the housing (1), comprising a second transmission shaft (17) connected to the housing (1), a sliding key (18) connected to the second transmission shaft (17), and a sleeve (19) slidingly sleeved on the second transmission shaft (17) through the sliding key (18), wherein the sleeve (19) is provided with a protrusion (20), the housing (1) is provided with a rotating driving member (21) connected to the output shaft and the second transmission shaft (17), the end surface of the sleeve (19) extending out of the housing (1) is provided with a wavy sliding groove (22), and the housing (1) is connected with an insertion rod (23) inserted into the sliding groove (22); The shearing component is used for shearing the input material.

2. A construction waste recycling device for construction engineering according to claim 1, characterized in that: The input assembly comprises a guide plate (4) connected to the housing (1), a conveying roller (6) rotatably connected to the housing (1), and a first motor (7) fixedly connected to the housing (1), wherein the first motor (7) is in transmission connection with the conveying roller (6).

3. A construction waste recycling device for construction engineering according to claim 2, characterized in that: The housing (1) is connected to a rotating shaft (3), the guide plate (4) is rotatably connected to the rotating shaft (3), and a groove for accommodating the conveying roller (6) is provided on the guide plate (4). The housing (1) is fixedly connected to a plurality of pads (5) arranged below the guide plate (4), the pads (5) are all curved, and the heights of the plurality of pads (5) gradually decrease along the length direction of the housing (1), and the guide plate (4) is tilted and rests on the pads (5).

4. The construction waste recycling device for construction engineering according to claim 1, characterized in that: The first transmission assembly comprises a crankshaft (8) rotatably connected to the housing (1) and a plurality of swing arms (9) hinged between the crankshaft (8) and a crushing cone (10); the housing (1) is connected to a second motor (11) in transmission connection with the crankshaft (8).

5. The construction waste recycling device for construction engineering according to claim 1, characterized in that: The crushing rollers are provided in two groups, each group having two crushing rollers. The second transmission assembly comprises a driven gear (16) connected to the first transmission shaft (12) of the two crushing rollers in each group, and the two driven gears (16) are meshed with each other. The housing (1) is connected to a third motor (14), and the output shaft of the third motor (14) is fixedly connected to a driving gear (15) meshed with one of the driven gears (16).

6. The construction waste recycling device for construction engineering according to claim 1, characterized in that: A plurality of protrusions (20) are mounted on the sleeve (19) in a row-shaped annular array.

7. The construction waste recycling device for construction engineering according to claim 1, characterized in that: The shearing assembly comprises a slide rail (24) fixedly connected to the inner wall of the housing (1), a hydraulic clamp (25) slidably connected to the slide rail (24), and a hydraulic rod (26) connected to the hydraulic clamp (25), wherein the hydraulic rod (26) is fixedly connected to the housing (1).

8. The construction waste recycling device for construction engineering according to claim 1, characterized in that: The housing (1) is connected to a baffle (27) that is curved in an arc shape.

9. The construction waste recycling device for construction engineering according to claim 1, characterized in that: The screen (2) is located below the crushing assembly.

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