Highway engineering construction site waste recovery equipment and method

Abstract

The invention relates to the field of waste recycling, and discloses highway engineering construction site waste recycling equipment and method. The device further comprises a filtering dust removal unit arranged in the crushing box. The filtering and dust removing unit is arranged in the crushing box and comprises a driving assembly, a crushing assembly, a rolling assembly, a filtering assembly, a dust removing assembly and a switch assembly; the driving assembly drives the crushing assembly to move; when steel bars which do not pass through and steel bars with concrete are intercepted by the filtering assembly, the intercepted steel bars and the steel bars with concrete can enter the rolling assembly, the driving assembly can drive the rolling assembly to ascend and descend, and the ascending and descending rolling assembly can extrude the steel bars and the steel bars with concrete; according to the reinforcing steel bar crushing device, concrete adhered to the reinforcing steel bars is extruded and crushed, so that all the reinforcing steel bars are not adhered with the concrete any more, and the complete reinforcing steel bars are obtained and then can be uniformly collected, treated and reused.

Description

Technical Field

[0001] The present invention relates to the field of waste recycling and reuse, and in particular to a waste recycling device and method at a highway engineering construction site. Background Art

[0002] Construction site waste refers to discarded materials or residues generated during the construction process of construction projects, decoration, demolition, etc. Reasonable waste management can not only reduce costs and improve efficiency, but also reduce environmental pollution and meet the requirements of sustainable development.

[0003] Patent No. CN215087812U discloses a construction site construction waste recycling device, which includes a placing base plate, a vertical plate provided on the left side of the top of the placing base plate, a second vertical plate provided on the top of the vertical plate, an electric push rod provided on the front end face of the right side of the second vertical plate, a connecting plate connected to the back side of the electric push rod, a third vertical plate provided on the top of the connecting plate, an adjustment electric push rod provided on the right side of the third vertical plate, an impact drill connected to the bottom end of the adjustment electric push rod, a connecting baffle provided on the right side of the connecting plate, a slide groove provided on the right side of the connecting baffle, a sliding support rod provided in the slide groove, the top of the sliding support rod is fixedly connected to the impact drill, a second slide groove provided on the right side of the vertical plate, and a support slider provided in the inner cavity of the second slide groove. The device has a simple structure and avoids safety hazards caused by manual operation.

[0004] In the prior art, the up-and-down movement of the impact drill can be controlled by adjusting the electric push rod to crush the waste, thereby avoiding the need for manual crushing of the waste. However, the waste on site includes concrete blocks, concrete pipes and other waste materials containing steel bars. The up-and-down crushing of the impact drill cannot completely remove the concrete block waste adhered to the steel bars. As a result, when the discarded steel bars are subsequently recycled, concrete waste still remains on the steel bars, and the steel bars need to be processed again, wasting manpower and material resources. Summary of the Invention

[0005] The purpose of the present invention is to provide a road construction site waste recycling device and method to solve the following technical problems: The up and down crushing by the impact drill cannot completely remove the concrete block waste adhered to the steel bar, resulting in concrete waste remaining on the steel bar when the discarded steel bar is recycled later, and the steel bar needs to be processed again, wasting manpower and material resources.

[0006] The purpose of the present invention can be achieved through the following technical solutions: A waste recycling device for a highway construction site includes a crushing box and a filtering and dust removal unit arranged in the crushing box. The filtering and dust removal unit is arranged in the crushing box, and includes a driving assembly, a crushing assembly, a crushing assembly, a filtering assembly, a dust removal assembly and a switch assembly; the driving assembly drives the crushing assembly to move; the driving assembly drives the crushing assembly to rise and fall; the driving assembly drives the filtering assembly to rotate; the driving assembly drives the dust removal assembly to rotate; and the driving assembly drives the switch assembly to rise and fall.

[0007] Furthermore, the driving assembly includes a driving motor, an eccentric shaft, an eccentric block and a shaking barrel; The crushing assembly includes a fixed rod, a crushing tooth plate, a fixed plate, a first connector, a first shaking plate, a second connector, a second shaking plate, a third connector, a third shaking plate and a series rod; The eccentric shaft is rotatably arranged in the crushing box; the driving motor is fixedly arranged outside the crushing box, and the driving motor is connected to the eccentric shaft; the eccentric block is fixedly arranged on the eccentric shaft; the shaking barrel is sleeved on the eccentric block; The fixed rod is fixedly arranged in the crushing box; the crushing tooth plate is rotatably arranged on the fixed rod; the fixed plate is fixedly arranged in the crushing box; the third connector is fixedly arranged on the crushing tooth plate; the third shaking plate is rotatably arranged on the third connector; the second connector is fixedly arranged on the crushing box; the second shaking plate is rotatably arranged on the second connector; the first connector is fixedly arranged on the shaking barrel; the first shaking plate is rotatably arranged on the first connector; the serial rod is fixedly arranged on one end of the second shaking plate; the other ends of the first shaking plate and the third shaking plate are both rotatably arranged on the serial rod.

[0008] Furthermore, the driving assembly further comprises a second rotating wheel, a belt, a first rotating wheel and a vibration shaft; The filter assembly includes a vibration block, a vibration rod, a filter plate and a top block; Among them, the second wheel is fixedly arranged at one end of the eccentric shaft; the vibration shaft is rotatably arranged in the crushing box; the first wheel is fixedly arranged at one end of the vibration shaft; the belt is sleeved on the first wheel and the second wheel; four vibration blocks are provided, and are symmetrically fixed in the crushing box; the vibration rod is slidably provided on the vibration block; the filter plate is fixedly provided on the top of the vibration rod; there are two top blocks, and are symmetrically fixed on the vibration shaft.

[0009] Furthermore, the driving assembly further comprises a driven rod, a worm gear, a fixed block, a half-tooth gear and a lifting gear plate; The rolling assembly includes a rolling box, a mounting rod and a rolling block; In which, the driven rod is rotatably arranged in the crushing box; the worm gear is fixedly arranged in the middle of the driven rod; a worm thread is provided in the middle of the vibration shaft, and the worm gear is engaged with the worm thread on the vibration shaft; the half-tooth gear is fixedly arranged at one end of the driven rod; the crushing box is fixedly arranged at one end of the crushing box; there are two mounting rods, and they are symmetrically slidably arranged on the crushing box; the crushing block is fixedly arranged at the top of the mounting rod; the lifting tooth plate is fixedly arranged at the bottom of the crushing block, and the lifting tooth plate is engaged with the half-tooth gear; the fixed block is fixedly arranged at the top of the crushing box, and the driven rod passes through the fixed block.

[0010] Furthermore, the dust removal assembly includes a connecting barrel, a dust removal box, a water inlet, a water outlet and fan blades; Among them, the connecting barrel is fixedly set on one side of the crushing box; the dust removal box is fixedly set at the other end of the connecting barrel; the water inlet is fixedly set at the top of the dust removal box; the water outlet is fixedly set at the bottom of the dust removal box; and the fan blade is fixedly set at one end of the vibration shaft.

[0011] Furthermore, the switch assembly includes a connecting plate, a lifting plate, a limiting column, a sprinkler plate, a switch plate and a switch block; Among them, the connecting plate is fixedly arranged on the top of the mounting rod; the lifting plate is fixedly arranged on the top of the connecting plate; the sprinkler plate is fixedly arranged in the dust removal box; the switch block is fixedly arranged on the top of the sprinkler plate; there are four limiting columns, which are fixedly arranged at the four corners of the top of the sprinkler plate; the switch plate is slidably arranged on the limiting columns; the other end of the lifting plate is fixedly connected to the switch plate.

[0012] Furthermore, one end of the crushing tooth plate is fixedly connected to a limiting rod; the limiting rod passes through the crushing box; a limiting spring is sleeved on the limiting rod; and both ends of the limiting spring are fixedly connected to the crushing box and the limiting rod respectively.

[0013] Furthermore, a vibration spring is sleeved on the vibration rod; two ends of the vibration spring are fixedly connected to the vibration block and the vibration rod respectively.

[0014] A method for recycling waste materials at a highway construction site, comprising the following steps: S1: Put concrete blocks, concrete pipes and other construction waste into the crushing box, and then the crushing teeth will crush the concrete blocks, concrete pipes and other construction waste into fine aggregates. The crushed fine aggregates will fall onto the filter plate, and the filter plate will separate the steel bars and fine aggregates; S2: The separated steel bars and the steel bars with concrete blocks will enter the rolling box, where the steel bars with concrete blocks will be crushed again by the rolling blocks, and then discharged from the rolling box to obtain complete steel bars; S3: During the screening process, the dust generated by screening will be absorbed by the fan blades in the dust removal box, and then water will be poured into the dust removal box through the water inlet to allow the water flow to suppress the spread of dust.

[0015] Beneficial effects of the present invention: (1) The crushing component is driven by the driving component to work. The working crushing component will crush the discarded concrete blocks and concrete pipes, and crush the whole concrete blocks and concrete pipes into a certain degree of fine aggregate. These crushed fine aggregates can be processed into recycled materials, and then the recycled materials can be used to backfill some ditch and pond silt areas, backfill construction areas such as sub-grade road subgrades, and reuse resources to avoid the waste of stone materials; (2) The filter component is driven by the driving component to work. The filter component will first separate the crushed concrete and steel bars, so that the steel bars and steel bars with concrete are blocked above the filter component, and then the concrete fragments passing through the filter component are collected in a centralized manner. In this way, the concrete fragments and steel bars can be quickly distinguished, and corresponding processing tasks can be formulated according to the classification; (3) When the steel bars that fail to pass and the steel bars with concrete are intercepted by the filtering component, the intercepted steel bars and the steel bars with concrete will enter the rolling component, and the driving component will drive the rolling component to move up and down. The rising and falling rolling component will squeeze the steel bars and the steel bars with concrete, so that the concrete adhering to the steel bars is squeezed and broken, so that all the steel bars are no longer adhered to concrete, thereby obtaining complete steel bars, and then the steel bars can be uniformly collected, processed and reused; (4) When the filter assembly screens concrete and steel bars, a large amount of dust will be generated. To prevent the dust from affecting the environment and causing environmental pollution, the driving assembly drives the dust removal assembly to rotate. The rotating dust removal assembly will extract the generated dust, and then suppress the extracted dust by sprinkling water to prevent the dust from overflowing and causing pollution to the surrounding environment. (5) When the dust removal component extracts the dust, the switch component will be opened and closed back and forth, allowing the water to flow out intermittently to suppress the dust. This setting is to avoid the waste of water resources caused by continuous release of water flow. In addition, the continuous water curtain will affect the effect of dust extraction, causing dust to accumulate on the edge of the dust removal component, making it impossible for the dust to mix with the water flow to achieve the removal effect, allowing the dust to drift into the filter component and cause pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 A top perspective view of the waste recycling equipment of the present invention; Figure 2 It is a transverse cross-sectional view of the crushing box in the present invention; Figure 3 It is a longitudinal cross-sectional view of the crushing box in the present invention; Figure 4 A perspective view of a crushing assembly according to the present invention; Figure 5 is a perspective view of the filter assembly of the present invention; Figure 6 A perspective view of the rolling assembly of the present invention; Figure 7 A perspective view of the dust removal assembly of the present invention; Figure 8 is a perspective view of the switch assembly of the present invention; Figure 9 It is a bottom perspective view of the waste recycling equipment of the present invention.

[0018] Description of the drawings: 1. Crushing box; 2. First rotor; 3. Belt; 4. Second rotor; 5. Driving motor; 6. Dust removal box; 7. Lifting plate; 8. Connecting plate; 9. Limiting rod; 10. Limiting spring; 11. Mounting rod; 12. Crushing block; 13. Lifting tooth plate; 14. Half-tooth gear; 15. Water inlet; 16. Water outlet; 17. Follower rod; 18. Fixed block; 19. Crushing tooth plate; 20. Switch plate; 21. Switch block; 22. Fan blades; 23. Connecting barrel; 24. Vibrating shaft; 25. Worm gear; 26. Top block; 27 , filter plate; 28. eccentric shaft; 29. ​​eccentric block; 30. shaking barrel; 31. fixing rod; 32. first connector; 33. first shaking plate; 34. second connector; 35. second shaking plate; 36. series rod; 37. third shaking plate; 38. vibration block; 39. vibration spring; 40. vibration rod; 41. third connector; 42. limiting column; 43. crushing box; 44. fixing plate; 45. sprinkler plate; 46. crushing assembly; 47. filtering assembly; 48. crushing assembly; 49. dust removal assembly; 50. switch assembly. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making any creative efforts shall fall within the scope of protection of the present invention.

[0020] See also Figures 1-9As shown, the present invention is a waste recycling device for a highway construction site, comprising a crushing box 1; and a filtering and dust removal unit arranged in the crushing box 1; The filtering and dust removal unit is arranged in the crushing box 1, and includes a driving assembly, a crushing assembly 46, a crushing assembly 48, a filtering assembly 47, a dust removal assembly 49 and a switch assembly 50; the driving assembly drives the crushing assembly 46 to move; the driving assembly drives the crushing assembly 48 to rise and fall; the driving assembly drives the filtering assembly 47 to rotate; the driving assembly drives the dust removal assembly 49 to rotate; and the driving assembly drives the switch assembly 50 to rise and fall; First, discarded concrete blocks or extra concrete pipes in the construction area are sent to the crushing box 1. The crushing assembly 46 is driven by the driving assembly to work. The working crushing assembly 46 will crush the discarded concrete blocks and concrete pipes, and crush the whole concrete blocks and concrete pipes into a certain degree of fine aggregate. These crushed fine aggregates can be processed into recycled materials, and then the recycled materials can be used to backfill some ditch and pond silt areas, backfill construction areas such as sub-grade road subgrades, and reuse resources to avoid wasting stones. Because there are steel bars in some concrete blocks and concrete pipes, some concrete will adhere to the steel bars during crushing and leak directly from the crushing component 46, which results in incomplete separation of the steel bars from the concrete. Therefore, the driving component first drives the filtering component 47 to work. The filtering component 47 will first separate the crushed concrete and steel bars, so that the steel bars and the steel bars with concrete are blocked above the filtering component 47. Then, the concrete fragments passing through the filtering component 47 are collected in a centralized manner. In this way, the concrete fragments and steel bars can be quickly distinguished, and corresponding processing tasks can be formulated according to the classification. When the steel bars that fail to pass through and the steel bars with concrete are intercepted by the filtering component 47, the intercepted steel bars and the steel bars with concrete will enter the rolling component 48. The driving component will drive the rolling component 48 to move up and down. The rising and falling rolling component 48 will squeeze the steel bars and the steel bars with concrete, so that the concrete adhering to the steel bars is squeezed and broken, so that all the steel bars are no longer adhered to concrete, thereby obtaining complete steel bars, which can then be uniformly collected, processed and reused; When the filter assembly 47 screens the concrete and steel bars, a large amount of dust is generated. To prevent the dust from affecting the environment and causing environmental pollution, the driving assembly drives the dust removal assembly 49 to rotate. The rotating dust removal assembly 49 extracts the generated dust and then suppresses the extracted dust by sprinkling water to prevent the dust from overflowing and causing pollution to the surrounding environment. When the dust removal component 49 extracts the dust, the switch component 50 will switch back and forth, allowing the water to flow out intermittently to suppress the dust. This setting is to avoid the waste of water resources caused by continuous release of water flow. In addition, the continuous water curtain will affect the effect of dust extraction, causing dust to accumulate on the edge of the dust removal component 49, making it impossible for the dust to mix with the water flow to achieve the removal effect, and the dust will drift into the filter component 47 to cause pollution.

[0021] See also Figure 2 、 Figure 3 and Figure 4 As shown, the driving assembly includes a driving motor 5, an eccentric shaft 28, an eccentric mass 29 and a shaking barrel 30; The crushing assembly 46 includes a fixed rod 31, a crushing tooth plate 19, a fixed plate 44, a first connector 32, a first shaking plate 33, a second connector 34, a second shaking plate 35, a third connector 41, a third shaking plate 37 and a tandem rod 36; The eccentric shaft 28 is rotatably arranged in the crushing box 1; the drive motor 5 is fixedly arranged outside the crushing box 1, and the drive motor 5 is connected to the eccentric shaft 28; the eccentric block 29 is fixedly arranged on the eccentric shaft 28; and the shaking barrel 30 is sleeved on the eccentric block 29; The fixing rod 31 is fixedly arranged in the crushing box 1; the crushing tooth plate 19 is rotatably arranged on the fixing rod 31; the fixing plate 44 is fixedly arranged in the crushing box 1; the third connector 41 is fixedly arranged on the crushing tooth plate 19; the third shaking plate 37 is rotatably arranged on the third connector 41; the second connector 34 is fixedly arranged on the crushing box 1; the second shaking plate 35 is rotatably arranged on the second connector 34; the first connector 32 is fixedly arranged on the shaking barrel 30; the first shaking plate 33 is rotatably arranged on the first connector 32; the serial rod 36 is fixedly arranged on one end of the second shaking plate 35; the other ends of the first shaking plate 33 and the third shaking plate 37 are both rotatably arranged on the serial rod 36; The eccentric shaft 28 is driven to rotate by the driving motor 5, and the rotating eccentric shaft 28 drives the eccentric block 29 to rotate. The rotating eccentric block 29 performs an eccentric motion, so the shaking barrel 30 mounted thereon performs an irregular lifting motion, which causes the first connector 32 and the first shaking plate 33 to lift or press down the series rod 36, so that the second connector 34, the second shaking plate 35, the third connector 41 and the third shaking plate 37 are in a bent state and a horizontal state at times. Such a reciprocating state change will cause the crushing tooth plate 19 to rotate back and forth on the fixed rod 31, and the inner side of the crushing box 1 opposite to the crushing tooth plate 19 is also provided with teeth, so that hard materials such as concrete stones and concrete pipes placed in the crushing box 1 are crushed into fine aggregates.

[0022] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 5 As shown, the driving assembly further includes a second rotating wheel 4, a belt 3, a first rotating wheel 2 and a vibration shaft 24; The filter assembly 47 includes a vibrating block 38, a vibrating rod 40, a filter plate 27 and a top block 26; Among them, the second rotor 4 is fixedly arranged at one end of the eccentric shaft 28; the vibration shaft 24 is rotatably arranged in the crushing box 1; the first rotor 2 is fixedly arranged at one end of the vibration shaft 24; the belt 3 is sleeved on the first rotor 2 and the second rotor 4; four vibration blocks 38 are provided and symmetrically fixedly arranged in the crushing box 1; the vibration rod 40 is slidably arranged on the vibration blocks 38; the filter plate 27 is fixedly arranged on the top of the vibration rod 40; there are two top blocks 26, which are symmetrically fixedly arranged on the vibration shaft 24; The rotation of the eccentric shaft 28 drives the second runner 4 to rotate, and the rotating second runner 4 rotates the belt 3, thereby driving the first runner 2 to rotate. The rotating first runner 2 will rotate the vibration shaft 24, and the rotating vibration shaft 24 will drive the two top blocks 26 to rotate. The rotating top block 26 will move upward with the filter plate 27, and the upward movement of the filter plate 27 will also allow the bottom vibration rod 40 to slide on the vibration block 38. When the top block 26 is no longer in contact with the filter plate 27, the filter plate 27 will fall downward due to gravity, thereby contacting and colliding with the vibration block 38 to generate vibration, allowing the broken concrete blocks on the top of the filter plate 27 to pass quickly, and the steel bars are trapped above the filter plate 27, thereby achieving the effect of separating the broken concrete blocks from the steel bars.

[0023] See also Figure 1 、 Figure 2 、 Figure 6 and Figure 9 As shown, the driving assembly further includes a driven rod 17, a worm gear 25, a fixed block 18, a half-tooth gear 14 and a lifting gear plate 13; The rolling assembly 48 includes a rolling box 43, a mounting rod 11 and a rolling block 12; Among them, the driven rod 17 is rotatably arranged in the crushing box 1; the worm gear 25 is fixedly arranged in the middle of the driven rod 17; a worm thread is provided in the middle of the vibration shaft 24, and the worm gear 25 is engaged with the worm thread on the vibration shaft 24; the half-tooth gear 14 is fixedly arranged at one end of the driven rod 17; the crushing box 43 is fixedly arranged at one end of the crushing box 1; two mounting rods 11 are provided, and are symmetrically slidably arranged on the crushing box 43; the crushing block 12 is fixedly arranged at the top of the mounting rod 11; the lifting tooth plate 13 is fixedly arranged at the bottom of the crushing block 12, and the lifting tooth plate 13 is engaged with the half-tooth gear 14; the fixed block 18 is fixedly arranged at the top of the crushing box 43, and the driven rod 17 passes through the fixed block 18; The vibration shaft 24 is provided with a worm thread at one end between the two top blocks 26. When the vibration shaft 24 rotates, the turbine on the driven rod 17 will engage with the worm thread, thereby driving the driven rod 17 to rotate. The rotating driven rod 17 will rotate the half-tooth gear 14, and the rotating half-tooth gear 14 will engage with the lifting gear plate 13, allowing the lifting gear plate 13 to move upward with the mounting rod 11 and the rolling block 12. When the half-tooth gear 14 is not engaged with the lifting gear plate 13, the mounting rod 11 and the rolling block 12 will fall downward rapidly due to their own gravity. This is arranged so that when the filtered and separated steel bars can slide freely into the rolling box 43 (the filter plate 27 is set to a certain slope), the steel bars with concrete blocks will also enter the rolling box 43. Therefore, the steel bars with concrete blocks are rolled by the rapidly falling rolling block 12, so that the concrete blocks on the steel bars are broken and separated, thereby obtaining a whole batch of clean steel bars without concrete wrapping.

[0024] See also Figure 3 and Figure 7 As shown, the dust removal assembly 49 includes a connecting barrel 23, a dust removal box 6, a water inlet 15, a water outlet 16 and fan blades 22; The connecting barrel 23 is fixedly arranged on one side of the crushing box 1; the dust removal box 6 is fixedly arranged on the other end of the connecting barrel 23; the water inlet 15 is fixedly arranged on the top of the dust removal box 6; the water outlet 16 is fixedly arranged on the bottom of the dust removal box 6; the fan blade 22 is fixedly arranged on one end of the vibration shaft 24; The fan blades 22 are driven to rotate by the vibration shaft 24. There are holes on the side of the crushing box 1 close to the fan blades 22. When the fan blades 22 rotate, they absorb the dust sieved by the filter plate 27, and the generated dust is sucked into the dust removal box 6. Then, water is poured into the dust removal box 6 through the water inlet 15 to suppress the suction, and then the sewage mixed with dust and water is discharged from the dust removal box 6 through the water outlet 16.

[0025] See also Figure 1 、 Figure 3 、 Figure 8 and Figure 9 As shown, the switch assembly 50 includes a connecting plate 8, a lifting plate 7, a limiting column 42, a sprinkler plate 45, a switch plate 20 and a switch block 21; Among them, the connecting plate 8 is fixedly set on the top of the mounting rod 11; the lifting plate 7 is fixedly set on the top of the connecting plate 8; the watering plate 45 is fixedly set in the dust removal box 6; the switch block 21 is fixedly set on the top of the watering plate 45; four limiting columns 42 are provided and fixedly set at the four corners of the top of the watering plate 45; the switch plate 20 is slidably set on the limiting columns 42; the other end of the lifting plate 7 is fixedly connected to the switch plate 20; When the mounting rod 11 and the crushing block 12 move upward, the connecting plate 8 and the lifting plate 7 will also move upward. The upward-moving lifting plate 7 will also lift the switch plate 20 upward, thereby separating it from the switch block 21 of the sprinkler plate 45 to form a channel, allowing water to be sprayed into the dust removal box 6. When the mounting rod 11 and the crushing block 12 move downward, the switch plate 20 will also be driven to move downward, thereby overlapping with the switch block 21 so that the water no longer passes through the sprinkler plate 45. The limiting column 42 on the sprinkler plate 45 is to allow the switch plate 20 to move vertically up and down.

[0026] See also Figure 1 、 Figure 2 、 Figure 4 and Figure 9 As shown, one end of the crushing tooth plate 19 is fixedly connected to a limiting rod 9; the limiting rod 9 passes through the crushing box 1; a limiting spring 10 is sleeved on the limiting rod 9; the two ends of the limiting spring 10 are fixedly connected to the crushing box 1 and the limiting rod 9 respectively; The limiting rod 9 and the limiting spring 10 are provided at one end of the crushing tooth plate 19 so that the crushing tooth plate 19 can be ductile after the concrete block or concrete pipe enters the crushing box 1 and will not get stuck due to structural limitations.

[0027] See also Figure 2 and Figure 5 As shown, a vibration spring 39 is sleeved on the vibration rod 40; both ends of the vibration spring 39 are fixedly connected to the vibration block 38 and the vibration rod 40 respectively; The vibration spring 39 is sleeved on the vibration rod 40 so that the vibration spring 39 can quickly pull back the filter plate 27, so that the filter plate 27 descends faster, thereby achieving a better vibration effect.

[0028] See also Figures 1 to 9 As shown, a method for recycling waste materials at a highway construction site comprises the following steps: S1: Concrete blocks, concrete pipes and other construction waste are placed in the crushing box 1, and then the crushing teeth 19 crush the concrete blocks, concrete pipes and other construction waste into fine aggregates. The crushed fine aggregates will fall onto the filter plate 27, and the filter plate 27 will separate the steel bars and fine aggregates; S2: The separated steel bars and the steel bars with concrete blocks enter the rolling box 43, where the steel bars with concrete blocks are crushed again by the rolling blocks 12, and then discharged from the rolling box 43 to obtain complete steel bars; S3: During the screening process, the dust generated by the screening will be absorbed by the fan blades 22 in the dust removal box 6, and then water will be poured into the dust removal box 6 through the water inlet 15 to allow the water flow to suppress the diffusion of dust.

[0029] The working principle of the present invention is as follows: first, waste concrete blocks or extra concrete pipes in the construction area are sent to the crushing box 1, and the crushing assembly 46 is driven by the driving assembly to work. The working crushing assembly 46 will crush the waste concrete blocks and concrete pipes, and crush the whole concrete blocks and concrete pipes into a certain degree of fine aggregates. These crushed fine aggregates can be processed into recycled materials, and then the recycled materials can be used to backfill some ditch and pond silt areas, backfill construction areas such as sub-grade road subgrades, and reuse resources to avoid waste of stones; Because there are steel bars in some concrete blocks and concrete pipes, some concrete will adhere to the steel bars during crushing and leak directly from the crushing component 46, which results in incomplete separation of the steel bars from the concrete. Therefore, the driving component first drives the filtering component 47 to work. The filtering component 47 will first separate the crushed concrete and steel bars, so that the steel bars and the steel bars with concrete are blocked above the filtering component 47. Then, the concrete fragments passing through the filtering component 47 are collected in a centralized manner. In this way, the concrete fragments and steel bars can be quickly distinguished, and corresponding processing tasks can be formulated according to the classification. When the steel bars that fail to pass through and the steel bars with concrete are intercepted by the filtering component 47, the intercepted steel bars and the steel bars with concrete will enter the rolling component 48. The driving component will drive the rolling component 48 to move up and down. The rising and falling rolling component 48 will squeeze the steel bars and the steel bars with concrete, so that the concrete adhering to the steel bars is squeezed and broken, so that all the steel bars are no longer adhered to concrete, thereby obtaining complete steel bars, which can then be uniformly collected, processed and reused; When the filter assembly 47 screens the concrete and steel bars, a large amount of dust is generated. To prevent the dust from affecting the environment and causing environmental pollution, the driving assembly drives the dust removal assembly 49 to rotate. The rotating dust removal assembly 49 extracts the generated dust and then suppresses the extracted dust by sprinkling water to prevent the dust from overflowing and causing pollution to the surrounding environment. When the dust removal component 49 extracts the dust, the switch component 50 will switch back and forth, allowing the water to flow out intermittently to suppress the dust. This setting is to avoid the waste of water resources caused by continuous release of water flow. In addition, the continuous water curtain will affect the effect of dust extraction, causing dust to accumulate on the edge of the dust removal component 49, making it impossible for the dust to mix with the water flow to achieve the removal effect, and the dust will drift into the filter component 47 to cause pollution.

[0030] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A waste recycling device for a highway construction site, comprising a crushing box (1); characterized in that: It also includes a filtering and dust removal unit arranged in the crushing box (1); The filtering and dust removal unit is arranged in the crushing box (1), and includes a driving component, a crushing component (46), a crushing component (48), a filtering component (47), a dust removal component (49) and a switch component (50); the driving component drives the crushing component (46) to move; the driving component drives the crushing component (48) to rise and fall; the driving component drives the filtering component (47) to rotate; the driving component drives the dust removal component (49) to rotate; and the driving component drives the switch component (50) to rise and fall.

2. A highway construction site waste recycling device according to claim 1, characterized in that: The driving assembly comprises a driving motor (5), an eccentric shaft (28), an eccentric block (29) and a shaking barrel (30); The crushing assembly (46) includes a fixed rod (31), a crushing tooth plate (19), a fixed plate (44), a first connector (32), a first shaking plate (33), a second connector (34), a second shaking plate (35), a third connector (41), a third shaking plate (37) and a series rod (36); The eccentric shaft (28) is rotatably arranged in the crushing box (1); the drive motor (5) is fixedly arranged outside the crushing box (1), and the drive motor (5) is connected to the eccentric shaft (28); the eccentric block (29) is fixedly arranged on the eccentric shaft (28); and the shaking barrel (30) is sleeved on the eccentric block (29); The fixed rod (31) is fixedly arranged in the crushing box (1); the crushing tooth plate (19) is rotatably arranged on the fixed rod (31); the fixed plate (44) is fixedly arranged in the crushing box (1); the third connector (41) is fixedly arranged on the crushing tooth plate (19); the third shaking plate (37) is rotatably arranged on the third connector (41); the second connector (34) is fixedly arranged on the crushing box (1); the second shaking plate (35) is rotatably arranged on the second connector (34); the first connector (32) is fixedly arranged on the shaking barrel (30); the first shaking plate (33) is rotatably arranged on the first connector (32); the serial rod (36) is fixedly arranged on one end of the second shaking plate (35); the other ends of the first shaking plate (33) and the third shaking plate (37) are both rotatably arranged on the serial rod (36).

3. The waste recycling equipment for highway construction site according to claim 2, characterized in that: The driving assembly further comprises a second rotating wheel (4), a belt (3), a first rotating wheel (2) and a vibration shaft (24); The filter assembly (47) includes a vibration block (38), a vibration rod (40), a filter plate (27) and a top block (26); The second rotating wheel (4) is fixedly arranged at one end of the eccentric shaft (28); the vibration shaft (24) is rotatably arranged in the crushing box (1); the first rotating wheel (2) is fixedly arranged at one end of the vibration shaft (24); the belt (3) is sleeved on the first rotating wheel (2) and the second rotating wheel (4); four vibration blocks (38) are provided and symmetrically fixedly arranged in the crushing box (1); the vibration rod (40) is slidably arranged on the vibration block (38); the filter plate (27) is fixedly arranged on the top of the vibration rod (40); and two top blocks (26) are provided and symmetrically fixedly arranged on the vibration shaft (24).

4. The waste recycling equipment for highway construction site according to claim 3, characterized in that: The driving assembly further includes a driven rod (17), a worm gear (25), a fixed block (18), a half-tooth gear (14) and a lifting gear plate (13); The rolling assembly (48) includes a rolling box (43), a mounting rod (11) and a rolling block (12); The driven rod (17) is rotatably arranged in the crushing box (1); the worm wheel (25) is fixedly arranged in the middle of the driven rod (17); a worm thread is provided in the middle of the vibration shaft (24), and the worm wheel (25) is engaged with the worm thread on the vibration shaft (24); the half-tooth gear (14) is fixedly arranged at one end of the driven rod (17); the crushing box (43) is fixedly arranged at one end of the crushing box (1); two mounting rods (11) are provided, and are symmetrically slidably arranged on the crushing box (43); the crushing block (12) is fixedly arranged at the top of the mounting rod (11); the lifting tooth plate (13) is fixedly arranged at the bottom of the crushing block (12), and the lifting tooth plate (13) is engaged with the half-tooth gear (14); the fixed block (18) is fixedly arranged at the top of the crushing box (43), and the driven rod (17) passes through the fixed block (18).

5. The waste recycling equipment for highway construction site according to claim 4, characterized in that: The dust removal assembly (49) includes a connecting barrel (23), a dust removal box (6), a water inlet (15), a water outlet (16), and fan blades (22); The connecting barrel (23) is fixedly arranged on one side of the crushing box (1); the dust removal box (6) is fixedly arranged on the other end of the connecting barrel (23); the water inlet (15) is fixedly arranged on the top of the dust removal box (6); the water outlet (16) is fixedly arranged on the bottom of the dust removal box (6); and the fan blade (22) is fixedly arranged on one end of the vibration shaft (24).

6. The waste recycling equipment for highway construction site according to claim 5, characterized in that: The switch assembly (50) includes a connecting plate (8), a lifting plate (7), a limiting column (42), a sprinkler plate (45), a switch plate (20) and a switch block (21); The connecting plate (8) is fixedly arranged on the top of the mounting rod (11); the lifting plate (7) is fixedly arranged on the top of the connecting plate (8); the watering plate (45) is fixedly arranged in the dust removal box (6); the switch block (21) is fixedly arranged on the top of the watering plate (45); four limiting columns (42) are provided and fixedly arranged at the four corners of the top of the watering plate (45); the switch plate (20) is slidably arranged on the limiting columns (42); and the other end of the lifting plate (7) is fixedly connected to the switch plate (20).

7. The waste recycling equipment for highway construction site according to claim 6, characterized in that: One end of the crushing tooth plate (19) is fixedly connected to a limiting rod (9); the limiting rod (9) passes through the crushing box (1); a limiting spring (10) is sleeved on the limiting rod (9); and both ends of the limiting spring (10) are fixedly connected to the crushing box (1) and the limiting rod (9), respectively.

8. The waste recycling equipment for highway construction site according to claim 7, characterized in that: A vibration spring (39) is sleeved on the vibration rod (40); two ends of the vibration spring (39) are fixedly connected to the vibration block (38) and the vibration rod (40) respectively.

9. A method for recycling waste materials at a highway construction site, using the highway construction site waste recycling equipment according to claim 8, characterized in that: The recycling method comprises the following steps: S1: Put concrete blocks, concrete pipes and other construction waste into a crushing box (1), and then the crushing teeth (19) crush the concrete blocks, concrete pipes and other construction waste into fine aggregates. The crushed fine aggregates fall onto the filter plate (27), and the filter plate (27) separates the steel bars and the fine aggregates; S2: The separated steel bars and the steel bars with concrete blocks enter the rolling box (43), and the steel bars with concrete blocks are crushed again by the rolling blocks (12), and then discharged from the rolling box (43) to obtain complete steel bars; S3: During the screening process, the dust generated by the screening is absorbed by the fan blades (22) in the dust removal box (6), and then water is poured into the dust removal box (6) through the water inlet (15), so that the water flow can suppress the diffusion of the dust.

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