Construction waste crushing and screening device
By designing a construction waste crushing and screening device including crushing grooves, crushers and clamping excavators, the problem of inability to efficiently crush reinforced concrete and screen recycling value items in the prior art, and efficient crushing and Resource recovery reduces equipment failure rate and maintenance costs.
Patent Information
- Application Number
- CN202421036400.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-14
AI Technical Summary
Existing construction waste screening devices cannot efficiently crush concrete blocks containing steel bars, resulting in equipment damage and low crushing efficiency, and cannot effectively screen attachments with recycling value such as cables.
A device including dumping slope, crushing trough, screening platform, crushing platform, crushing machine, large and small crushing roller, crushing motor, crushing excavator, clamping excavator, miscellaneous classification box and reinforcement classification box were designed. , the concrete blocks are crushed and steel bars are clamped by crushing excavators and clamping excavators, and secondary crushing is performed by crushing machines. The baffle mechanism prevents unbroken blocks from entering below, achieving efficient crushing and resource recovery.
It improves the crushing efficiency of construction waste, reduces equipment failure rate and maintenance costs, promotes efficient recycling and utilization of resources, and supports sustainable economic development.
Smart Images
Figure CN222288312U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction waste treatment, in particular to a construction waste crushing and screening device. Background Art
[0002] Construction waste refers to solid waste generated during urban construction and demolition, including construction debris, concrete, bricks and tiles, steel bars, wood, pipes, cables, electrical appliances, decoration materials, etc.
[0003] Construction waste has potential hazards to the environment and human health. If it is discarded or handled improperly, it will lead to waste of land resources, water pollution, air pollution and other problems. Therefore, construction waste needs to be professionally processed and disposed of, such as classification, compression, transportation, recycling and other measures to minimize the negative impact on the environment and create more economic value for society.
[0004] The existing construction waste screening device can crush concrete blocks and bricks, and can also screen according to the density of various materials in the construction waste. However, concrete often contains steel bars, and ordinary crushing devices cannot crush the steel bars, which can easily cause damage to the equipment and reduce the crushing efficiency of the construction waste. The cables and other attachments with recycling value contained in the construction waste need to be screened, so a construction waste crushing and screening device is needed. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a construction waste crushing and screening device.
[0006] The technical solution of the utility model is: a construction waste crushing and screening device, comprising a dumping slope, a crushing trough connected to the upper section of the dumping slope, the crushing trough comprising a screening platform and a crushing platform connected in sequence to the dumping slope, a baffle mechanism is provided between the screening platform and the crushing platform, a crushing excavator and a clamping excavator are respectively provided on both sides of the screening platform, and a crusher is provided under the crushing platform.
[0007] Furthermore, the baffle mechanism includes a movable plate 1, the upper part of the movable plate 1 is rotatably connected to the crushing groove, the right side of the movable plate 1 is hinged with a hydraulic rod 1, and the upper end of the hydraulic rod 1 is hinged to the crushing groove.
[0008] Description: On the screening platform, the concrete blocks are crushed by a crushing excavator, the internal steel bars are taken out, and the decorations attached to the surface are separated. The steel bars and decorations are clamped out by a clamping excavator. The baffle mechanism can prevent the unbroken concrete blocks from entering the crushing platform. The screening platform is provided with an inclined surface to facilitate the crushed concrete blocks to enter the crushing platform.
[0009] Furthermore, the crusher includes two large crushing rollers rotatably connected to the crushing platform, four small crushing rollers are arranged below the two large crushing rollers, and the side wall of the crushing platform is fixedly connected with a crushing motor for driving the large crushing rollers and the small crushing rollers to rotate.
[0010] Description: The concrete blocks are roughly crushed by the large crushing roller and secondarily crushed by the small crushing roller. This structure has a high crushing effect.
[0011] Furthermore, a miscellaneous classification box and a steel bar classification box are respectively provided on the right side of the gripping excavator, and the steel bar classification box and the miscellaneous classification box both include a box body, a pressure plate, and two hydraulic rods. The left side of the pressure plate is fixedly connected to the inner wall of the box body through the two hydraulic rods, and a movable plate two is provided at the lower right side of the box body, and the two movable plates are rotatably connected to the box body. A hydraulic rod three is hinged on the box body, and the other end of the hydraulic rod three is hinged to the two movable plates.
[0012] Description: The miscellaneous classification box and the steel bar classification box can compress and recycle sundries and steel bars.
[0013] Furthermore, a breaker hammer is installed at the end of the digging arm of the crushing excavator, and a crushing clamp is installed at the end of the digging arm of the clamping excavator.
[0014] Description: Use a breaker to break the concrete block to expose the internal steel bars, and then use a crushing pliers to clamp the steel bars and debris.
[0015] The beneficial effects of the utility model are:
[0016] The utility model adopts a crushing excavator and a clamping excavator to crush concrete blocks respectively. After the clamping excavator clamps out the steel bars and sundries in the concrete blocks, they are classified and recycled. The concrete blocks then enter the crusher for secondary crushing, and the construction waste blocks are crushed to become secondary recyclable resources. The device has high efficiency in processing construction waste, low equipment failure rate, low maintenance cost, is conducive to the recycling of resources, and promotes economic sustainable development. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the utility model.
[0018] Figure 2 yes Figure 1 Enlarged view of point A in the middle.
[0019] Figure 3 It is a schematic diagram of the structure of the utility model from top view.
[0020] Figure 4A schematic structural diagram of a miscellaneous item classification box and a steel bar classification box of the utility model.
[0021] Figure 5 It is a structural schematic diagram of the crushing trough of the utility model.
[0022] Figure 6 It is a structural schematic diagram of a crushing excavator of the utility model.
[0023] Figure 7 The utility model is a structural schematic diagram of a clamping excavator.
[0024] Among them, 1- dumping slope, 2- crushing trough, 3- screening platform, 4- crushing platform, 5- baffle mechanism, 6- crushing excavator, 7- clamping excavator, 8- crusher, 51- movable plate one, 52- hydraulic rod one, 81- large crushing roller, 82- small crushing roller, 83- crushing motor, 811- gear one, 831- gear two, 821- gear three, 71- miscellaneous classification box, 72- steel bar classification box, 711- box body, 712- pressure plate, 713- hydraulic rod two, 714- movable plate two, 715- hydraulic rod three, 61- breaker hammer, 73- crushing pliers. DETAILED DESCRIPTION
[0025] Embodiment 1:
[0026] like Figure 1 , Figure 3 As shown, a construction waste crushing and screening device comprises a dumping slope 1, a crushing trough 2 connected to the upper section of the dumping slope 1, the crushing trough 2 comprises a screening platform 3 and a crushing platform 4 which are sequentially connected to the dumping slope 1, a baffle mechanism 5 is arranged between the screening platform 3 and the crushing platform 4, a crushing excavator 6 and a clamping excavator 7 are arranged on both sides of the screening platform 3, and a crusher 8 is arranged below the crushing platform 4.
[0027] like Figure 5 As shown, the baffle mechanism 5 includes a movable plate 51, the upper part of the movable plate 51 is rotatably connected to the crushing trough 2, and the right side of the movable plate 51 is hinged with a hydraulic rod 52, and the upper end of the hydraulic rod 52 is hinged to the crushing trough 2.
[0028] like Figure 2As shown, the crusher 8 includes two large crushing rollers 81 rotatably connected to the crushing platform 4, four small crushing rollers 82 are arranged below the two large crushing rollers 81, and a crushing motor 83 for driving the large crushing rollers 81 and the small crushing rollers 82 to rotate is fixedly connected to the side wall of the crushing platform 4. The front ends of the large crushing rollers 81 are fixedly connected with gears 1 811, and the two gears 1 811 are meshed and connected to each other, and the output shaft of the crushing motor 83 is fixedly connected with gears 2 831, and the gears 2 831 are meshed and connected to one of the gears 1 811, and the front ends of the small crushing rollers 82 are fixedly connected with gears 3 821, and the four gears 3 821 are meshed and connected to each other, and one of the gears 3 821 is meshed and connected to the gears 2 831.
[0029] like Figure 6 , Figure 7 As shown, a breaker hammer 61 is installed at the end of the digging arm of the crushing excavator 6, and a crushing clamp 73 is installed at the end of the digging arm of the clamping excavator 7.
[0030] Embodiment 2:
[0031] Based on Example 1, Example 2 is different from Example 1 in that Figure 4 As shown, a miscellaneous classification box 71 and a steel bar classification box 72 are respectively provided on the right side of the gripping excavator 7. The steel bar classification box 72 and the miscellaneous classification box 71 both include a box body 711, a pressure plate 712, and a hydraulic rod 2 713. The left side of the pressure plate 712 is fixedly connected to the inner wall of the box body 711 through the hydraulic rod 2 713. A movable plate 2 714 is provided at the lower right side of the box body 711. The movable plate 2 714 is rotatably connected to the box body 711. A hydraulic rod 3 715 is hinged on the box body 711, and the other end of the hydraulic rod 3 715 is hinged to the movable plate 2 714.
[0032] The miscellaneous item classification box 71 and the steel bar classification box 72 of the second embodiment can compress and recycle the sundries and steel bars, so the second embodiment is better than the first embodiment.
[0033] The working method of the above embodiment comprises the following steps:
[0034] S1, the construction waste is dumped onto the screening platform 3 in the crushing tank 2 through the inclined slope 1, and the concrete containing steel bars is crushed by the crushing hammer 61 on the crushing excavator 6 to expose the internal steel bars, and then the steel bars and surface attachments are clamped by the crushing tongs 73 of the clamping excavator 7;
[0035] S2, after the attachments on the surface of the construction waste and the internal steel bars are removed, the movable plate 51 is driven to rotate by the hydraulic rod 52 on the baffle mechanism 5, so that the construction waste enters the crushing platform 4 and then falls into the crusher 8;
[0036] S3, the crushing motor 83 rotates to drive the gear 2 831 to rotate, the gear 2 831 rotates to drive the gear 1 811 and the gear 3 821 to rotate, and then drives the large crushing roller 81 and the small crushing roller 82 to rotate, the large crushing roller 81 performs the primary crushing on the construction waste to form fragments with a particle size of 8-10cm, the small crushing roller 82 performs the secondary crushing on the construction waste to form fragments with a particle size of 3-5cm.
[0037] S4, the steel bars and sundries are clamped into the steel bar classification box 72 and the sundries classification box 71 by the clamping excavator 7, and then compressed by the hydraulic rod 2 713. After the compression is completed, the movable plate 2 714 is driven to rotate by the hydraulic rod 3 715 to make it fall below.
[0038] In the above embodiments, the clamping excavator 7, the crushing excavator 6, the breaker hammer 61, the crushing tongs 73, and the crushing motor 83 are all commercially available products. As long as they can achieve the functions of the utility model, those skilled in the art can choose to use them according to common sense, and no special limitation is made here.
Claims
1. A construction waste crushing and screening device, characterized in that: The invention comprises a dumping slope (1), a crushing trough (2) connected to the upper section of the dumping slope (1), the crushing trough (2) comprising a screening platform (3) and a crushing platform (4) connected in sequence to the dumping slope (1), a baffle mechanism (5) being provided between the screening platform (3) and the crushing platform (4), a crushing excavator (6) and a clamping excavator (7) being provided on both sides of the screening platform (3), and a crusher (8) being provided below the crushing platform (4).
2. A construction waste crushing and screening device as claimed in claim 1, characterized in that: The baffle mechanism (5) comprises a movable plate (51), the upper part of which is rotatably connected to the crushing trough (2), and a hydraulic rod (52) is hingedly connected to the right side of the movable plate (51), the upper end of which is hingedly connected to the crushing trough (2).
3. A construction waste crushing and screening device as claimed in claim 1, characterized in that: The crusher (8) comprises two large crushing rollers (81) rotatably connected to the crushing platform (4); four small crushing rollers (82) are arranged below the two large crushing rollers (81) and are all rotatably connected to the crushing platform (4); and a crushing motor (83) is fixedly connected to the side wall of the crushing platform (4) for driving the large crushing rollers (81) and the small crushing rollers (82) to rotate.
4. A construction waste crushing and screening device as claimed in claim 1, characterized in that: The right side of the gripping excavator (7) is provided with a miscellaneous classification box (71) and a steel bar classification box (72), respectively. The steel bar classification box (72) and the miscellaneous classification box (71) both include a box body (711), a pressure plate (712), and a second hydraulic rod (713). The left side of the pressure plate (712) is fixedly connected to the inner wall of the box body (711) through the second hydraulic rod (713). A second movable plate (714) is provided at the lower right side of the box body (711). The second movable plate (714) is rotatably connected to the box body (711). A third hydraulic rod (715) is hinged on the box body (711), and the other end of the third hydraulic rod (715) is hinged to the second movable plate (714).
5. The construction waste crushing and screening device according to claim 1, characterized in that: A breaker hammer (61) is installed at the end of the digging arm of the crushing excavator (6), and a crushing clamp (73) is installed at the end of the digging arm of the clamping excavator (7).