Device for preparing recycled concrete by using construction waste

Abstract

The invention is applicable to the field of building waste utilization, and provides a device for preparing recycled concrete from building waste, which comprises a filter box and a crushing box arranged on the filter box, the conversion type crushing mechanism is located in the crushing box and comprises a driving pipe and a cross-shaped rotating frame, the driving pipe is rotationally installed on the crushing box, a motor used for driving the driving pipe to rotate is arranged at the top of the crushing box, the cross-shaped rotating frame is fixedly installed on the driving pipe, and a moving block is further installed on the driving pipe in a sliding mode. A reciprocating type crushing mechanism is arranged on the moving block, and an edge crushing assembly is further arranged on the cross-shaped rotating frame; through cooperative arrangement of the transformation type crushing mechanism and the filtering assembly, the problems that most of existing devices for preparing recycled concrete from building waste are simple in crushing structure, the building waste is difficult to fully crush, and the regeneration quality is affected are solved.

Description

Technical Field

[0001] The invention relates to the field of construction waste utilization, in particular to a device for preparing recycled concrete by utilizing construction waste. Background Art

[0002] Construction waste is solid waste generated during construction, demolition, decoration and other processes, including slag, waste concrete, waste bricks and stones and other waste. The preparation of recycled concrete is a complex process, involving the selection of raw materials, the processing of recycled aggregates, the design of mix ratios, the preparation of concrete and maintenance. Through reasonable production processes and application technologies, recycled concrete can meet the requirements of construction projects, while also reducing the use of raw materials, reducing environmental pollution and promoting the sustainable development of construction projects.

[0003] Most of the existing devices for preparing recycled concrete using construction waste have simple crushing structures, which makes it difficult to fully crush the construction waste, thereby affecting the recycling quality. Therefore, in view of the above situation, it is urgent to provide a device for preparing recycled concrete using construction waste to overcome the shortcomings in current practical applications. Summary of the invention

[0004] The purpose of the present invention is to provide a device for preparing recycled concrete using construction waste, aiming to solve the problems in the above-mentioned background technology.

[0005] The present invention is achieved by a device for preparing recycled concrete using construction waste, comprising:

[0006] A filter box and a crushing box arranged on the filter box, wherein the filter box is connected to the crushing box, a feed inlet is arranged on the top of the crushing box, and a discharge port and a plurality of support legs are arranged on the bottom of the filter box;

[0007] A convertible crushing mechanism located in the crushing box, the convertible crushing mechanism comprises a driving tube and a cross-shaped rotating frame, the driving tube is rotatably mounted on the crushing box, and a motor for driving the driving tube to rotate is arranged on the top of the crushing box, the cross-shaped rotating frame is fixedly mounted on the driving tube, and a moving block is also slidably mounted on the driving tube, a reciprocating crushing mechanism is arranged on the moving block, and an edge crushing assembly is also arranged on the cross-shaped rotating frame;

[0008] And a filtering component for screening the crushed construction waste in the crushing box, wherein the filtering component is arranged in the filtering box.

[0009] As a further solution of the present invention: the edge crushing component comprises:

[0010] A rotating shaft, the rotating shaft is rotatably mounted on the cross-shaped rotating frame, and a gear a is fixedly mounted on the rotating shaft;

[0011] An internal gear ring fixedly mounted on the crushing box, the internal gear ring meshing with gear a;

[0012] And a first impact plate fixedly mounted on the rotating shaft, wherein a plurality of groups of the first impact plates are arranged at equal intervals in the length direction of the rotating shaft.

[0013] As a further solution of the present invention: at least one group of scrapers for cleaning the side walls of the crushing box is fixedly installed between two adjacent groups of the first impact plates.

[0014] As a further solution of the present invention: the reciprocating crushing assembly comprises:

[0015] A rotating tube, which is rotatably mounted on the moving block, and a gear b is also fixedly mounted on the rotating tube;

[0016] A rack meshing with gear b, wherein the rack is fixedly mounted on a cross-shaped rotating frame;

[0017] And a second impact plate, wherein a plurality of the second impact plates are fixedly mounted on the rotating tube.

[0018] As a further solution of the present invention: a driven handle is rotatably mounted on the rotating tube, and a driving handle rotatably connected to an end of the driven handle away from the rotating shaft is fixedly mounted on the rotating shaft.

[0019] As a further solution of the present invention: a cavity is provided in the second impact plate, and the cavity is connected with the rotating tube, a piston plate b is also slidably installed in the cavity, and a spring for elastically pulling the piston plate b is provided in the cavity, a plurality of groups of auxiliary blocks are also fixedly installed on the piston plate b, and a through hole for the auxiliary block to pass through is provided on the top of the piston plate b, and a compression drive assembly for driving the piston plate b to move is also provided on the cross-shaped rotating frame.

[0020] As a further solution of the present invention: the compression drive assembly comprises:

[0021] A compression box, which is fixedly mounted on the bottom of the cross-shaped rotating frame, and a piston plate a is slidably mounted in the compression box;

[0022] A support plate fixedly mounted on the bottom of the moving block, a linkage plate connected to the piston plate a is fixedly mounted on the support plate, and a rectangular hole slidably connected to the linkage plate is opened on the compression box;

[0023] A conduit b communicated with the compression box, wherein the conduit b is fixedly mounted on the support plate, and the conduit b is connected to one end of the compression box close to the moving block;

[0024] An air guide ring connected to the rotating tube, the air guide ring is fixedly installed at the bottom of the moving block, and the air guide ring is rotatably connected to the rotating tube;

[0025] And a conduit c is slidably installed in the conduit b, and the conduit c is communicated with the air guide ring.

[0026] As a further solution of the present invention: the filter assembly comprises:

[0027] An elastic telescopic rod fixedly installed in the filter box, wherein at least two groups of the elastic telescopic rod are arranged in the filter box;

[0028] And a filter plate is slidably installed in the filter box, and the filter plate is fixedly connected to the telescopic end of the elastic telescopic rod.

[0029] As a further solution of the present invention: a push rod is rotatably installed on the filter plate, and the end of the push rod away from the filter plate is slidably connected to the driving tube through a piston block. The driving tube is also provided with a conduit a connected to the compression box, and the conduit a is connected to the end of the compression box away from the moving block.

[0030] Compared with the prior art, the invention has the following beneficial effects: the fragments of construction waste that have undergone preliminary treatment are added to the crushing box through the feed port, the motor can drive the cross-shaped rotating frame to rotate by driving the driving pipe to rotate, the rotating cross-shaped rotating frame can drive the edge crushing component to crush the construction waste at the edge of the crushing box, and at the same time, the reciprocating crushing component can also be used to crush the construction waste near the middle position in the crushing box, and the reciprocating crushing component and the edge crushing component can change their working positions by following the movement of the cross-shaped rotating frame, so as to further improve the crushing effect, thereby achieving full crushing of the construction waste, and the crushed construction waste can be screened by the filtering component, the construction waste that passes the filtration will be discharged through the discharge port at the bottom of the filtering box, and the construction waste that does not pass the filtration will continue to be crushed in the crushing box, thereby improving the crushing effect; through the coordinated arrangement of the conversion type crushing mechanism and the filtering component, it is avoided that most of the existing devices for preparing recycled concrete using construction waste have a simple crushing structure, which makes it difficult to fully crush the construction waste, thereby affecting the recycling quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the present invention.

[0032] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0033] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0034] Figure 4 It is a structural schematic diagram of the transformable crushing mechanism in the present invention.

[0035] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0036] Figure 6 It is a schematic diagram of the structure of the reciprocating crushing assembly and the edge crushing assembly in the present invention.

[0037] Figure 7 It is a schematic cross-sectional structural diagram of the compression box in the present invention.

[0038] Figure 8 It is a schematic cross-sectional structural diagram of the first impact plate in the present invention.

[0039] Fig. 9 It is a schematic diagram of the cross-sectional structure of the driving tube in the present invention.

[0040] In the accompanying drawings: 1-crushing box, 2-filter box, 3-motor, 4-feed port, 5-elastic telescopic rod, 6-filter plate, 7-inner gear ring, 8-cross rotating frame, 9-moving block, 10-driven handle, 11-rotating tube, 12-compression box, 13-driving tube, 14-push rod, 15-driving handle, 16-rotating shaft, 17-gear a, 18-first impact plate, 19-scraper, 20-second impact plate, 21-auxiliary block, 22-gear b, 23-rack, 24-conduit a, 25-conduit b, 26-support plate, 27-air guide ring, 28-piston plate a, 29-linkage plate, 30-conduit c, 31-piston plate b, 32-spring, 33-piston block. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. The specific implementation of the present invention is described in detail below in combination with specific embodiments.

[0042] See also Figure 1-Figure 9 The embodiment of the present invention provides a device for preparing recycled concrete using construction waste, and the device for preparing recycled concrete using construction waste includes:

[0043] A filter box 2 and a crushing box 1 arranged on the filter box 2, wherein the filter box 2 is connected to the crushing box 1, and a feed port 4 is arranged on the top of the crushing box 1, and a discharge port and a plurality of support legs are arranged on the bottom of the filter box 2;

[0044] A conversion type crushing mechanism is located in the crushing box 1, and the conversion type crushing mechanism includes a driving tube 13 and a cross-shaped rotating frame 8. The driving tube 13 is rotatably installed on the crushing box 1, and a motor 3 for driving the driving tube 13 to rotate is arranged on the top of the crushing box 1. The cross-shaped rotating frame 8 is fixedly installed on the driving tube 13, and a moving block 9 is also slidably installed on the cross-shaped rotating frame 8. A reciprocating crushing mechanism is arranged on the moving block 9, and an edge crushing assembly is also arranged on the cross-shaped rotating frame 8;

[0045] And a filtering component for screening the crushed construction waste in the crushing box 1, wherein the filtering component is arranged in the filtering box 2.

[0046] In the embodiment of the present invention, when in use, the preliminarily processed construction waste fragments are added into the crushing box 1 through the feed port 4, and the motor 3 can drive the cross-shaped rotating frame 8 to rotate by driving the driving tube 13 to rotate. The rotating cross-shaped rotating frame 8 can drive the edge crushing component to crush the construction waste at the edge of the crushing box 1. At the same time, the reciprocating crushing component can also be used to crush the construction waste near the middle position of the crushing box 1. The reciprocating crushing component and the edge crushing component change their working positions by following the movement of the cross-shaped rotating frame 8, thereby further improving the crushing effect and achieving the construction waste. The crushed construction waste can be fully crushed and processed, and the filter component can be used to screen the crushed construction waste. The construction waste that passes the filtration will be discharged through the discharge port at the bottom of the filter box 2, and the construction waste that does not pass the filtration will continue to be crushed in the crushing box 1, thereby improving the crushing effect; wherein the discharge port is connected to the mixing equipment, which is convenient for preparing recycled concrete, and the mixing equipment can adopt the existing public technology; compared with the prior art, the present invention avoids the problem that most of the existing devices for preparing recycled concrete using construction waste have simple crushing structures, which makes it difficult to fully crush the construction waste, thereby affecting the recycling quality, through the coordinated arrangement of the conversion crushing mechanism and the filter component.

[0047] In one embodiment of the present invention, see Figure 1-Figure 9 , the edge crushing component comprises:

[0048] A rotating shaft 16, the rotating shaft 16 is rotatably mounted on the cross-shaped rotating frame 8, and a gear a17 is fixedly mounted on the rotating shaft 16;

[0049] An inner gear ring 7 fixedly mounted on the crushing box 1, wherein the inner gear ring 7 is meshed with the gear a17;

[0050] and a first impact plate 18 fixedly mounted on the rotating shaft 16, wherein a plurality of first impact plates 18 are arranged at equal intervals in the length direction of the rotating shaft 16;

[0051] At least one set of scrapers 19 for cleaning the side walls of the crushing box 1 is fixedly installed between two adjacent sets of the first impact plates 18;

[0052] The reciprocating crushing assembly comprises:

[0053] A rotating tube 11, wherein the rotating tube 11 is rotatably mounted on the moving block 9, and a gear b22 is fixedly mounted on the rotating tube 11;

[0054] A rack 23 meshing with the gear b22, wherein the rack 23 is fixedly mounted on the cross-shaped rotating frame 8;

[0055] and second impact plates 20, wherein a plurality of second impact plates 20 are fixedly mounted on the rotating tube 11;

[0056] The rotating tube 11 is also rotatably mounted with a driven handle 10, and the rotating shaft 16 is fixedly mounted with a driving handle 15 rotatably connected to the end of the driven handle 10 away from the rotating shaft 16;

[0057] The second impact plate 20 is provided with a cavity, and the cavity is connected with the rotating tube 11, a piston plate b31 is slidably mounted in the cavity, and a spring 32 for elastically pulling the piston plate b31 is provided in the cavity, a plurality of auxiliary blocks 21 are fixedly mounted on the piston plate b31, and a through hole for the auxiliary blocks 21 to pass through is provided on the top of the piston plate b31, and a compression drive assembly for driving the piston plate b31 to move is also provided on the cross-shaped rotating frame 8;

[0058] The compression drive assembly comprises:

[0059] A compression box 12, wherein the compression box 12 is fixedly mounted on the bottom of the cross-shaped rotating frame 8, and a piston plate a28 is slidably mounted in the compression box 12;

[0060] A support plate 26 fixedly mounted on the bottom of the moving block 9, a linkage plate 29 connected to the piston plate a28 is fixedly mounted on the support plate 26, and a rectangular hole slidably connected to the linkage plate 29 is opened on the compression box 12;

[0061] A conduit b25 connected to the compression box 12, wherein the conduit b25 is fixedly mounted on the support plate 26, and the conduit b25 is connected to one end of the compression box 12 close to the moving block 9;

[0062] An air guide ring 27 connected to the rotating tube 11, wherein the air guide ring 27 is fixedly mounted on the bottom of the moving block 9, and the air guide ring 27 is rotatably connected to the rotating tube 11;

[0063] and a conduit c30 slidably mounted in the conduit b25, wherein the conduit c30 is connected to the air guide ring 27;

[0064] The cross section of the moving block 9 is an I-shaped structure;

[0065] The first impact plate 18 and the auxiliary block 21 are both cross-shaped structures.

[0066] In this embodiment, when in use, the compression box 12 and the second impact plate 20 are pre-filled with gas; when the shaft 16 rotates with the drive tube 13 as the axis, the gear a17 can be pressed against the inner gear ring 7 to rotate, so that the gear a17 can rotate on its own, and the gear a17 can drive the shaft 16 to rotate. The shaft 16 can impact the construction waste at the edge to break it by driving the first impact plate 18 and the scraper 19 to rotate. The scraper 19 can move in contact with the inner wall of the crushing box 1 to clean the inner wall of the crushing box 1, and at the same time, it can also push the construction waste at the edge to move, thereby improving the crushing effect; the shaft 16 can use the power from the inner wall of the crushing box 1 to move the construction waste at the edge to improve the crushing effect. The movable handle 10 drives the rotating tube 11 and the moving block 9 to reciprocate on the cross-shaped rotating frame 8. Through the meshing action of the gear b22 and the rack 23, the rotating tube 11 can be driven to reciprocate forward and reverse, and the second impact plate 20 is used to crush the construction waste; the moving block 9 drives the support plate 26 to reciprocate, and can use the linkage plate 29 to drive the piston plate a28 to reciprocate in the compression box 12, so that the gas on the side of the piston plate a28 close to the moving block 9 can reciprocate into the rotating tube 11 through the conduit b25, the conduit c30 and the air guide ring 27, so that the piston plate b31 can reciprocate in the cavity of the second impact plate 20, thereby driving the auxiliary block 21 to intermittently expand outward, thereby improving the impact effect.

[0067] In one embodiment of the present invention, see Figure 1-Figure 9 , the filtering component comprises:

[0068] An elastic telescopic rod 5 fixedly installed in the filter box 2, wherein at least two groups of the elastic telescopic rod 5 are arranged in the filter box 2;

[0069] and a filter plate 6 slidably mounted in the filter box 2, wherein the filter plate 6 is fixedly connected to the telescopic end of the elastic telescopic rod 5;

[0070] A push rod 14 is also rotatably mounted on the filter plate 6, and the end of the push rod 14 away from the filter plate 6 is slidably connected to the drive tube 13 through a piston block 33. The drive tube 13 is also provided with a conduit a24 connected to the compression box 12, and the conduit a24 is connected to the end of the compression box 12 away from the moving block 9.

[0071] In this embodiment, when in use, both ends of the piston plate a28 in the compression box 12 are pre-filled with gas. When the piston plate a28 moves toward the side of the conduit a24, the piston plate a28 can press the gas into the drive tube 13 through the conduit a24, thereby pushing the piston block 33 and the push rod 14 to move downward, so that the push rod 14 pushes the filter plate 6 to press the elastic telescopic rod 5. Through the reciprocating movement of the piston plate a28 and the elastic support of the elastic telescopic rod 5, the filter plate 6 can jump back and forth in the telescopic direction of the elastic telescopic rod 5, thereby improving the filtering effect and avoiding blockage.

[0072] In the present invention, unless otherwise clearly specified and limited, the terms "slide", "rotate", "fix", "have" and the like should be understood in a broad sense, for example, it can be a welding connection, a bolt connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for preparing recycled concrete using construction waste, comprising a filter box and a crushing box arranged on the filter box, wherein the filter box is connected to the crushing box, and a feed inlet is arranged on the top of the crushing box, and a discharge port and a plurality of support legs are arranged on the bottom of the filter box, characterized in that: Also includes: A convertible crushing mechanism located in the crushing box, the convertible crushing mechanism comprises a driving tube and a cross-shaped rotating frame, the driving tube is rotatably mounted on the crushing box, and a motor for driving the driving tube to rotate is arranged on the top of the crushing box, the cross-shaped rotating frame is fixedly mounted on the driving tube, and a moving block is also slidably mounted on the cross-shaped rotating frame, a reciprocating crushing mechanism is arranged on the moving block, and an edge crushing assembly is also arranged on the cross-shaped rotating frame; And a filtering component for screening the crushed construction waste in the crushing box, wherein the filtering component is arranged in the filtering box.

2. The device for preparing recycled concrete using construction waste according to claim 1, characterized in that: The edge crushing assembly comprises: A rotating shaft, the rotating shaft is rotatably mounted on the cross-shaped rotating frame, and a gear a is fixedly mounted on the rotating shaft; An internal gear ring fixedly mounted on the crushing box, the internal gear ring meshing with gear a; And a first impact plate fixedly mounted on the rotating shaft, wherein a plurality of groups of the first impact plates are arranged at equal intervals in the length direction of the rotating shaft.

3. The device for preparing recycled concrete using construction waste according to claim 2, characterized in that: At least one set of scrapers for cleaning the side walls of the crushing box is fixedly installed between two adjacent sets of the first impact plates.

4. The device for preparing recycled concrete using construction waste according to claim 2, characterized in that: The reciprocating crushing assembly comprises: A rotating tube, which is rotatably mounted on the moving block, and a gear b is also fixedly mounted on the rotating tube; A rack meshing with gear b, wherein the rack is fixedly mounted on a cross-shaped rotating frame; And a second impact plate, wherein a plurality of second impact plates are fixedly installed on the rotating tube.

5. The device for preparing recycled concrete using construction waste according to claim 4, characterized in that: A driven handle is rotatably mounted on the rotating tube, and a driving handle rotatably connected to one end of the driven handle away from the rotating shaft is fixedly mounted on the rotating shaft.

6. The device for preparing recycled concrete using construction waste according to claim 4, characterized in that: A cavity is provided in the second impact plate, and the cavity is connected with the rotating tube. A piston plate b is slidably installed in the cavity, and a spring for elastically pulling the piston plate b is provided in the cavity. A plurality of auxiliary blocks are fixedly installed on the piston plate b, and a through hole for the auxiliary block to pass through is provided on the top of the piston plate b. A compression drive assembly for driving the piston plate b to move is also provided on the cross-shaped rotating frame.

7. The device for preparing recycled concrete using construction waste according to claim 6, characterized in that: The compression drive assembly comprises: A compression box, which is fixedly mounted on the bottom of the cross-shaped rotating frame, and a piston plate a is slidably mounted in the compression box; A support plate fixedly mounted on the bottom of the moving block, a linkage plate connected to the piston plate a is fixedly mounted on the support plate, and a rectangular hole slidably connected to the linkage plate is opened on the compression box; A conduit b communicated with the compression box, wherein the conduit b is fixedly mounted on the support plate, and the conduit b is connected to one end of the compression box close to the moving block; An air guide ring connected to the rotating tube, the air guide ring is fixedly installed at the bottom of the moving block, and the air guide ring is rotatably connected to the rotating tube; And a conduit c is slidably installed in the conduit b, and the conduit c is communicated with the air guide ring.

8. The device for preparing recycled concrete using construction waste according to claim 4, characterized in that: The filter assembly comprises: An elastic telescopic rod fixedly installed in the filter box, wherein at least two groups of the elastic telescopic rod are arranged in the filter box; And a filter plate is slidably installed in the filter box, and the filter plate is fixedly connected to the telescopic end of the elastic telescopic rod.

9. The device for preparing recycled concrete using construction waste according to claim 8, characterized in that: A push rod is also rotatably installed on the filter plate, and the end of the push rod away from the filter plate is slidably connected to the driving tube through a piston block. The driving tube is also provided with a conduit a connected to the compression box, and the conduit a is connected to the end of the compression box away from the moving block.

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