Crushing device for reinforced concrete elements

Abstract

The present invention discloses a crushing device for reinforced concrete components, including a lifting arm body, a lifting mechanism, a supporting assembly, an angle adjustment assembly, a crushing bucket and a flexible material guide dust cover. The top of the lifting arm body is connected to the crushing bucket through the angle adjustment assembly, and the bottom of the lifting arm body is hinged to the corresponding frame. The angle adjustment assembly of the present invention can adjust the angle of the crushing bucket, and reinforced concrete components such as railway waste sleepers enter the crushing bucket for crushing. The flexible material guide dust cover can guide the crushed materials to the corresponding conveying equipment. The lifting mechanism pushes the lifting arm body to rotate up and down with the hinge between the lifting arm body and the frame as the center, so that the crushing bucket connected to the angle adjustment assembly is raised and lowered. At the same time, the supporting assembly can support the lifting arm body, reduce the load and damage to the lifting mechanism, etc. The operation is convenient, the structure is compact and stable, the safety, stability and reliability are high, and the service life is long.

Description

Technical Field

[0001] The invention relates to a reinforced concrete component crushing system, in particular to a crushing device for reinforced concrete components. Background Art

[0002] With the continuous progress of society and the rapid development of urbanization, various construction facilities such as railways and bridges are increasing, and the corresponding old construction facilities are gradually being demolished, which has generated a large number of abandoned reinforced concrete components. The main treatment method is to dump or bury them underground, which causes waste of resources, land occupation, environmental pollution, etc. With the continuous improvement of people's concepts and awareness of environmental protection and sustainable development, more and more attention is paid to the classification, recycling and reuse of abandoned reinforced concrete components. However, for reinforced concrete components, such as long reinforced concrete components such as waste railway sleepers, etc., due to their high strength and the presence of steel bars, it is difficult for existing equipment to effectively crush, classify and recycle them. The equipment occupies a large space, is inconvenient to operate, has low efficiency, low precision, large equipment loss, low safety, stability and reliability, and high cost, which cannot meet the increasingly high production needs. Summary of the invention

[0003] The purpose of the present invention is to provide a crushing device for reinforced concrete components, which can solve at least one of the above technical problems. The technical solution of the present invention is as follows:

[0004] A crushing device for reinforced concrete components, including a lifting arm body, a lifting mechanism, a supporting assembly, an angle adjustment assembly, a crushing bucket and a flexible material guiding dust cover, the top of the lifting arm body is connected to the crushing bucket through the angle adjustment assembly, the angle adjustment assembly can adjust the angle of the crushing bucket, the flexible material guiding dust cover is arranged at the outlet of the crushing bucket to guide the crushed materials to the corresponding conveying equipment, the bottom of the lifting arm body is hinged to the corresponding frame, the lifting mechanism can push the lifting arm body to rotate up and down so that the crushing bucket connected to the angle adjustment assembly can be raised and lowered, and the supporting assembly can support the lifting arm body.

[0005] In some embodiments, the crushing bucket includes a first housing, a first crushing knife disposed in the first housing, and a second driving mechanism for driving the first crushing knife to rotate, and the flexible material guiding dust cover is connected to the outlet of the first housing.

[0006] In some embodiments, the lifting mechanism is a first hydraulic cylinder, an output end of the first hydraulic cylinder is hinged to the lifting arm body, and the other end of the first hydraulic cylinder is hinged to the frame.

[0007] In some embodiments, the support assembly includes a first support rod and a first extension rod that are slidably connected, the first support rod and the first extension rod are locked by a first locking member, the bottom of the first support rod is hinged to the frame, the top of the first extension rod is hinged to the lifting arm body, the first hydraulic cylinder is parallel to the first support rod and the first extension rod, the first extension rod can telescopically slide relative to the first support rod and be locked by the first locking member to support the lifting arm body.

[0008] In some embodiments, the first support rod is provided with a first slideway that cooperates with the first extension rod, the first support rod is provided with a first connecting hole that cooperates with the first locking member, and the first extension rod is provided with a plurality of second connecting holes that cooperate with the first connecting hole in sequence along its length direction.

[0009] In some embodiments, the angle adjustment assembly includes a first connecting seat connected to the crushing bucket and a first driving mechanism that drives the first connecting seat to rotate, the upper end of the first connecting seat is hinged to the top of the lifting arm body, and the first driving mechanism can drive the first connecting seat and the crushing bucket to rotate around the hinge between the first connecting seat and the lifting arm body.

[0010] In some embodiments, the first driving mechanism is a second hydraulic cylinder, an output end of the second hydraulic cylinder is hinged to the lower end of the first connecting seat, and the other end of the second hydraulic cylinder is hinged to the lifting arm body.

[0011] In some embodiments, the lifting arm body includes two first arms, the upper ends of the two first arms are bent forward and the tops thereof are connected, the tops of the two first arms are connected to the angle adjustment assembly, the bottoms of the two first arms are hinged to the frame, each first arm corresponds to a lifting mechanism and a supporting assembly, one end of the lifting mechanism and the supporting assembly are respectively hinged to the frame, and the other ends of the lifting mechanism and the supporting assembly are respectively hinged to the corresponding first arms.

[0012] In some embodiments, the tops of the two first arms are respectively provided with first oblique edges, the two first oblique edges intersect and connect toward the middle, and a first connecting portion connected to the angle adjustment component is provided at the connecting portion.

[0013] In some embodiments, a first ear plate is provided on the first arm and is hinged to the lifting mechanism and the supporting assembly.

[0014] The beneficial effects of the present invention are as follows: the bottom of the lifting arm body is hinged to the corresponding frame, the top of the lifting arm body is connected to the crushing bucket through the angle adjustment component, the angle adjustment component can adjust the angle of the crushing bucket, which is more convenient for crushing and discharging of the crushing bucket, and the lifting mechanism pushes the lifting arm body to rotate up and down with the hinge between the lifting arm body and the frame as the center, so that the crushing bucket connected to the angle adjustment component is raised and lowered, such as the crushing bucket is raised when working and lowered when idle or not working, and the support component can support the lifting arm body, reduce the load and damage to the lifting mechanism, and the lifting mechanism can also adjust the crushing bucket The height position of the crushing bucket, etc., the steel and concrete components such as the waste railway sleepers enter the crushing bucket for crushing, and the crushed materials are transported from the outlet of the crushing bucket along the flexible material guide dust cover to the corresponding conveying equipment. The flexible material guide dust cover can adopt a flexible plastic cover with embedded steel wire or a flexible rubber cover, etc., which has high strength, wear resistance and durability, is easy to fold and shrink, etc., can stably guide materials, prevent dust, and reduce damage to the subsequent conveying equipment matched with it, etc. It is safer, environmentally friendly, easy to operate, compact and stable in structure, reduces the occupied space, etc., has high safety, stability and reliability, long service life, and expands the application and development of the equipment.

[0015] In addition, in the technical solution of the present invention, unless otherwise specified, the technical solution can be implemented by adopting conventional means in the art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 The present invention is a schematic structural diagram of a crushing device for reinforced concrete components according to an embodiment of the present invention.

[0018] Figure 2 The present invention is a schematic structural diagram of a crushing device for reinforced concrete components according to an embodiment of the present invention.

[0019] Figure 3 It is a schematic structural diagram of a lifting arm main body according to an embodiment of the present invention.

[0020] Figure 4 It is a schematic structural diagram of a lifting arm main body according to an embodiment of the present invention.

[0021] Figure 5 It is a schematic structural diagram of a support assembly according to an embodiment of the present invention.

[0022] Figure 6 It is a schematic structural diagram of an angle adjustment assembly according to an embodiment of the present invention.

[0023] Figure 7 The figure is a schematic structural diagram of a crushing bucket according to an embodiment of the present invention.

[0024] Explanation of the numbers in the accompanying drawings: lifting arm body 1, first support arm 11, first reinforcement rib 12, second reinforcement rib 13, first connecting part 14, first ear plate 15, first bevel 16, lifting mechanism 2, first hydraulic cylinder 21, supporting assembly 3, first supporting rod 31, first slide 311, first connecting hole 312, first extension rod 32, second connecting hole 321, first locking piece 33, first pin shaft 331, first handle 332, angle adjustment assembly 4, first connecting seat 41, first bottom plate 411, second ear plate 412, third reinforcement rib 413, first driving mechanism 42, second hydraulic cylinder 421, crushing bucket 5, first casing 51, fourth reinforcement rib 511, first crushing knife 52, second driving mechanism 53, flexible material guiding dust cover 6, frame 7. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the present invention, and are not used to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inner", "outer", "two ends", "both sides", "bottom", "top" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred elements must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "superior", "inferior", "primary", "secondary" and the like are only used for descriptive purposes and can be simply used to more clearly distinguish different components, but cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figures 1 to 7 As shown, a crushing device for reinforced concrete members according to the present invention is schematically shown, comprising a lifting arm body 1, a lifting mechanism 2, a supporting assembly 3, an angle adjustment assembly 4, a crushing bucket 5 and a flexible material guiding dust cover 6. The angle adjustment assembly 4 is arranged on the top of the lifting arm body 1, the angle adjustment assembly 4 is connected to the crushing bucket 5, the bottom of the lifting arm body 1 is hinged to the corresponding frame 7, the flexible material guiding dust cover 6 is connected to the outlet of the crushing bucket 5, the outlet of the flexible material guiding dust cover 6 corresponds to the subsequent corresponding conveying equipment, etc., and the lifting mechanism 2 and the supporting assembly 3 are respectively matched with the lifting arm body 1.

[0029] The angle adjustment component 4 can adjust the angle of the crushing bucket 5, making it easier to crush and discharge the crushing bucket 5. Reinforced concrete components such as waste railway sleepers enter the crushing bucket 5 for crushing, and the crushed materials are guided from the outlet of the crushing bucket 5 along the flexible material guide dust cover 6 to be transported to the corresponding conveying equipment. The flexible material guide dust cover 6 can be a flexible plastic cover or a flexible rubber cover with embedded steel wire, which has high strength, wear resistance, durability, and is easy to fold and shrink. It can stably guide materials, prevent dust, reduce damage to subsequent conveying equipment matched with it, and is safer and more environmentally friendly.

[0030] According to specific needs, the lifting mechanism 2 pushes the lifting arm body 1 to rotate up and down with the hinge between the lifting arm body 1 and the frame 7 as the center, so that the crushing bucket 5 is raised and lowered, for example, the crushing bucket 5 is raised when working, and lowered when idle or not working, etc. At the same time, the support assembly 3 can support the lifting arm body 1, reduce the load and damage to the lifting mechanism 2, etc. The lifting mechanism 2 and the support assembly 3 can also adjust the height position of the crushing bucket 5, etc.

[0031] The lifting mechanism 2 can be an oil cylinder, an air cylinder, an electric cylinder, a hydraulic cylinder, etc. For example, a hydraulic cylinder is used. The hydraulic cylinder has the advantages of simple structure, reliable operation, no reduction device, no transmission gap, stable movement, large power, strong bearing capacity, etc. The lifting mechanism 2 is a first hydraulic cylinder 21, the output end of the first hydraulic cylinder 21 is hinged with the lifting arm body 1, and the output end of the first hydraulic cylinder 21 can be provided with a connector such as a Y-type joint, an I joint, a fisheye joint, etc. The connector is hinged with the lifting arm body 1 through a pin shaft, such as a fisheye joint, which is also called a self-lubricating rod end joint bearing. The joint bearing can withstand a large load and rotate more stably and reliably. The other end of the first hydraulic cylinder 21 is hinged with the frame 7, that is, the tail of the first hydraulic cylinder 21 is hinged with the frame 7, for example, a single ear seat is provided at the tail of the first hydraulic cylinder 21, and a double ear seat matching the single ear seat is provided on the corresponding frame 7, and the single ear seat and the double ear seat are hinged through a pin shaft.

[0032] The crushing bucket 5 includes a first housing 51, a first crushing knife 52 and a second driving mechanism 53 for driving the first crushing knife 52 to rotate. The flexible material guiding dust cover 6 is connected to the outlet of the first housing 51. For example, the inlet of the flexible material guiding dust cover 6 is fixed to the outlet of the first housing 51 by fasteners such as screws. The first crushing knife 52 is arranged in the first housing 51. The first crushing knife 52 can be one, two or more. The number and arrangement of the first crushing knives 52 depend on the specific situation. Usually, multiple first crushing knives 52 are installed on the rotating shaft. The second driving mechanism 53 drives the rotating shaft to rotate, so that the first crushing knife 52 rotates to crush reinforced concrete components such as railway waste sleepers.

[0033] The second driving mechanism 53 is driven by a stepper motor, a reduction motor, a servo motor, a hydraulic motor or other suitable power mechanisms in the prior art. The second driving mechanism 53 adopts a hydraulic motor. The hydraulic motor has the advantages of high power, fast and frequent start and stop, forward and reverse rotation, small current shock, convenient automatic control of overload accidents, and strong resistance to harsh environments. For example, it is suitable for harsh environments such as dust, sewage, and oil. The hydraulic motor can be arranged on the outside of the first housing 51, and a cover matching the hydraulic motor can be provided, which is safer and more reliable.

[0034] The first housing 51 is provided with fourth reinforcing ribs 511 . The number and arrangement of the fourth reinforcing ribs 511 are determined according to specific circumstances, and the structure is more stable and reliable.

[0035] The angle adjustment assembly 4 includes a first connecting seat 41 and a first driving mechanism 42 for driving the first connecting seat 41 to rotate. The first connecting seat 41 is connected to the crushing bucket 5, for example, by fasteners such as screws or welding. The upper end of the first connecting seat 41 is hinged to the top of the lifting arm body 1. The first driving mechanism 42 can drive the first connecting seat 41 and the crushing bucket 5 to rotate around the hinge between the first connecting seat 41 and the lifting arm body 1, so that the angle of the crushing bucket 5 can be adjusted, which is more convenient for crushing and discharging of the crushing bucket 5.

[0036] The first driving mechanism 42 can be an oil cylinder, an air cylinder, an electric cylinder, a hydraulic cylinder, etc. For example, a hydraulic cylinder is used. The hydraulic cylinder has the advantages of simple structure, reliable operation, no reduction device, no transmission gap, stable movement, large power, strong bearing capacity, etc. The first driving mechanism 42 is a second hydraulic cylinder 421, the output end of the second hydraulic cylinder 421 is hinged to the lower end of the first connecting seat 41, the output end of the second hydraulic cylinder 421 can be provided with a connector such as a Y-type joint, an I joint, a fisheye joint, etc., the connector is hinged to the lower end of the first connecting seat 41 through a pin, the other end of the second hydraulic cylinder 421 is hinged to the lifting arm body 1, that is, the tail of the second hydraulic cylinder 421 is hinged to the lifting arm body 1, for example, the tail of the second hydraulic cylinder 421 is provided with a single-ear seat, and the lifting arm body 1 is provided with a double-ear seat that matches the single-ear seat, and the single-ear seat and the double-ear seat are hinged through a pin.

[0037] The support assembly 3 includes a first support rod 31 and a first extension rod 32. The bottom of the first support rod 31 is hinged to the corresponding frame 7, and the top of the first extension rod 32 is hinged to the lifting arm body 1, such as by a pin hinge. The first support rod 31 is slidably connected to the first extension rod 32. The first extension rod 32 can slide relative to the first support rod 31 to extend and retract, and the first support rod 31 and the first extension rod 32 can be locked by a first locking member 33. The first hydraulic cylinder 21 is parallel to the first support rod 31 and the first extension rod 32. Figure 1 , 2 For reference, the support assembly 3 is located on the right side of the lifting mechanism 2, that is, the support assembly 3 is located on the rear side of the lifting mechanism 2, which has a better effect.

[0038] The first support rod 31 is provided with a first slideway 311 matched with the first extension rod 32, the first support rod 31 is provided with a first connection hole 312 matched with the first locking member 33, and the first extension rod 32 is provided with a plurality of second connection holes 321 matched with the first connection hole 312 in sequence along its length direction, and the number and spacing of the second connection holes 321 are determined according to specific conditions, and the first extension rod 32 slides along the first slideway 311 on the first support rod 31, and when the first connection hole 312 corresponds to the second connection hole 321 at the corresponding position, the first locking member 33 passes through the first connection hole 312 and the second connection hole 321 to lock the first support rod 31 with the first extension rod 32, which is more convenient to operate, more stable in movement, more stable and reliable. The first locking member 33 can be a first pin shaft 331, and a first handle 332 can also be provided on the first pin shaft 331, which has a simple and stable structure and is more convenient to operate, and the first locking member 33 can also be a screw, a bolt or other suitable locking member in the prior art.

[0039] The lifting arm body 1 includes two first arms 11, which are symmetrically arranged to receive a more uniform force and facilitate more stable placement and support. The upper ends of the two first arms 11 are bent forward and the tops thereof are connected to each other. Figure 1 , 2 For reference, the upper ends of the two first arms 11 are bent to the left, the structure is more compact and stable, the space occupied is small, and it is more convenient to set the angle adjustment assembly 4 and the corresponding crushing bucket 5 on the top of the two first arms 11, and the operation is more convenient. The tops of the two first arms 11 are connected to the angle adjustment assembly 4, and the bottoms of the two first arms 11 are hinged to the corresponding frames 7, such as by pin hinges, etc. Each first arm 11 corresponds to a lifting mechanism 2 and a support assembly 3, one end of the lifting mechanism 2 and the support assembly 3 are respectively hinged to the corresponding frames 7, and the other ends of the lifting mechanism 2 and the support assembly 3 are respectively hinged to the first arms 11 corresponding to them, so that the force is more uniform, more stable and reliable.

[0040] The first arm 11 is provided with a first ear plate 15 hinged to the support assembly 3 and the lifting mechanism 2, and the first ear plate 15 is usually welded to the first arm 11. Two first ear plates 15 are symmetrically arranged at the bend of the upper end of the first arm 11, and connectors hinged to the first ear plates 15 are respectively arranged on the first extension rod 32 and the output end of the first hydraulic cylinder 21, and the two connectors are both located between the two first ear plates 15 and are respectively hinged to the two first ear plates 15 through pins, so that the structure is more compact, stable, and more convenient to operate.

[0041] The bending parts at the upper ends of the two first arms 11 are usually arc-shaped, and the bending parts at the upper ends of the first arms 11 may also be widened and / or thickened, so that the structure is more stable and reliable.

[0042] A first bevel 16 is respectively provided at the top of the two first arms 11, and the two first bevels 16 intersect and connect toward the middle, and a first connecting portion 14 is provided at the connection of the two first bevels 16, that is, the first connecting portion 14 is located at the top of the lifting arm body 1, and the first connecting portion 14 is connected to the angle adjustment assembly 4, which makes the operation more convenient and the structure more stable.

[0043] A first reinforcing rib 12 is connected between the two first arms 11, the first reinforcing rib 12 is close to the two first bevels 16, the tail of the second hydraulic cylinder 421 is hinged to the first reinforcing rib 12, and the first bevels 16 are usually perpendicular to the two first arms 11, so that a triangular structure is formed at the top of the two first arms 11, and the structure is more stable and reliable. The two first bevels 16 are connected to the first reinforcing rib 12 through the second reinforcing rib 13, respectively. The shape, number and arrangement of the second reinforcing rib 13 are determined according to the specific situation, which is more stable and reliable.

[0044] The first connecting seat 41 includes a first bottom plate 411, which is connected to the crushing bucket 5, such as by fasteners such as screws or welding. The first bottom plate 411 is provided with a second ear plate 412 respectively hinged to the second hydraulic cylinder 421 and the first connecting portion 14 at the top of the lifting arm body 1. The second ear plate 412 is usually welded to the first bottom plate 411, and the second ear plate 412 is respectively hinged to the second hydraulic cylinder 421 and the first connecting portion 14 through a pin shaft. The two second ear plates 412 are symmetrically arranged, the lower ends of the two second ear plates 412 are hinged to the second hydraulic cylinder 421, and the upper ends of the two second ear plates 412 are hinged to the first connecting portion 14 at the top of the lifting arm body 1, such as by a pin shaft, so that the force is more uniform, and the structure is more compact, stable and reliable. Third reinforcing ribs 413 are respectively arranged between the two second ear plates 412 and the first bottom plate 411 . The shape, quantity and arrangement of the third reinforcing ribs 413 are determined according to specific circumstances, and the structure is more stable and reliable.

[0045] Compared with the prior art, the advantages of the present invention are as follows: the bottom of the lifting arm body 1 is hinged to the frame 7, the top of the lifting arm body 1 is connected to the crushing bucket 5 through the angle adjustment component 4, the first driving mechanism 42 of the angle adjustment component 4 can drive the first connecting seat 41 and the crushing bucket 5 to rotate around the hinge of the first connecting seat 41 and the supporting arm body, so that the angle of the crushing bucket 5 can be adjusted, which is more convenient for crushing and discharging of the crushing bucket 5, and the lifting mechanism 2 drives the lifting arm body 1 to rotate around the hinge of the lifting arm body 1 and the frame 7. The lifting mechanism 2 is rotated up and down as the center, so that the crushing bucket 5 connected to the angle adjustment component 4 is raised and lowered, for example, the crushing bucket 5 is raised when working, and lowered when idle or not working, etc. At the same time, the first extension rod 32 of the support component 3 is telescopically slid relative to the first support rod 31, and the first support rod 31 and the first extension rod 32 are locked by the first locking member 33, which can support the lifting arm body 1 and reduce the load and damage to the lifting mechanism 2. The lifting mechanism 2 and the support assembly 3 can also adjust the height position of the crushing bucket 5, etc. Reinforced concrete components such as waste rail sleepers enter the crushing bucket 5 for crushing, and the crushed materials are guided from the outlet of the crushing bucket 5 along the flexible material guide dust cover 6 to the corresponding conveying equipment. The flexible material guide dust cover 6 can be a flexible plastic cover or a flexible rubber cover with embedded steel wire, which has high strength, wear resistance, durability, and is easy to fold and shrink. It can stably guide materials, prevent dust, and reduce damage to subsequent conveying equipment matched with it. In addition, the two first arms 11 are convenient for more stable support. The upper ends of the two first arms 11 are bent forward and their tops are connected. The first hypotenuses 16 at the tops of the two first arms 11 intersect and connect to the middle. A first reinforcing rib 12 is connected between the two first arms 11, so that a triangular structure is formed at the tops of the two first arms 11, which is more compact, stable, safer, and environmentally friendly. The top of the first arm 11 forms a triangular structure, which is more compact, stable, safer, and environmentally friendly. It is easy to operate, compact and stable, reduces the occupied space, etc., has high safety, stability and reliability, and a long service life, which expands the application and development of the equipment.

[0046] The above are only some embodiments of the present invention, which are only used to illustrate the technical solution of the present invention, rather than to limit it. It should be understood that, for those skilled in the art, without departing from the creative concept of the present invention, it is possible to make improvements or substitutions according to the above description, and all these improvements and substitutions should belong to the protection scope of the appended claims of the present invention. In this case, all details can be replaced by equivalent elements, and the materials, shapes and sizes can also be arbitrary.

Claims

1. A crushing device for reinforced concrete components, characterized in that: The invention comprises a lifting arm body (1), a lifting mechanism (2), a supporting assembly (3), an angle adjustment assembly (4), a crushing bucket (5) and a flexible material guiding dust cover (6), wherein the top of the lifting arm body (1) is connected to the crushing bucket (5) via the angle adjustment assembly (4), the angle adjustment assembly (4) is capable of adjusting the angle of the crushing bucket (5), the flexible material guiding dust cover (6) is arranged at the outlet of the crushing bucket (5) to guide the crushed materials to the corresponding conveying equipment, the bottom of the lifting arm body (1) is hinged to the corresponding frame (7), the lifting mechanism (2) is capable of pushing the lifting arm body (1) to rotate up and down so that the crushing bucket (5) connected to the angle adjustment assembly (4) is raised and lowered, and the supporting assembly (3) is capable of supporting the lifting arm body (1); The lifting mechanism (2) is a first hydraulic cylinder (21), the output end of the first hydraulic cylinder (21) is hinged to the lifting arm body (1), and the other end of the first hydraulic cylinder (21) is hinged to the frame (7); The support assembly (3) comprises a first support rod (31) and a first extension rod (32) which are slidably connected, the first support rod (31) and the first extension rod (32) being locked by a first locking member (33), the bottom of the first support rod (31) being hinged to the frame (7), the top of the first extension rod (32) being hinged to the lifting arm body (1), the first extension rod (32) being able to telescopically slide relative to the first support rod (31) and being locked by the first locking member (33) to support the lifting arm body (1); The first support rod (31) is provided with a first slideway (311) matched with the first extension rod (32), the first support rod (31) is provided with a first connection hole (312) matched with the first locking member (33), and the first extension rod (32) is provided with a plurality of second connection holes (321) matched with the first connection hole (312) in sequence along its length direction; The angle adjustment assembly (4) comprises a first connection seat (41) connected to the crushing bucket (5) and a first driving mechanism (42) driving the first connection seat (41) to rotate, the upper end of the first connection seat (41) being hinged to the top of the lifting arm body (1), and the first driving mechanism (42) being capable of driving the first connection seat (41) and the crushing bucket (5) to rotate around a hinge point between the first connection seat (41) and the lifting arm body (1); The first driving mechanism (42) is a second hydraulic cylinder (421), the output end of the second hydraulic cylinder (421) is hinged to the lower end of the first connecting seat (41), and the other end of the second hydraulic cylinder (421) is hinged to the lifting arm body (1); The lifting arm body (1) comprises two first support arms (11), the upper ends of the two first support arms (11) are bent forward and the tops thereof are connected, the tops of the two first support arms (11) are connected to the angle adjustment assembly (4), the bottoms of the two first support arms (11) are hinged to the frame (7), each of the first support arms (11) corresponds to one of the lifting mechanisms (2) and one of the support assemblies (3), one end of the lifting mechanism (2) and the support assemblies (3) are respectively hinged to the frame (7), and the other ends of the lifting mechanism (2) and the support assemblies (3) are respectively hinged to the first support arms (11) corresponding thereto; The flexible material guiding dust cover (6) is a flexible plastic cover or a flexible rubber cover with embedded steel wire; The crushing bucket (5) comprises a first housing (51), a first crushing knife (52) arranged in the first housing (51), and a second driving mechanism (53) for driving the first crushing knife (52) to rotate, and the flexible material guiding dust cover (6) is connected to the outlet of the first housing (51); The tops of the two first support arms (11) are respectively provided with first bevels (16), the two first bevels (16) are connected to each other in the middle and a first connection portion (14) connected to the angle adjustment assembly (4) is provided at the connection.

2. The crushing device for reinforced concrete components according to claim 1, characterized in that: The first support arm (11) is provided with a first ear plate (15) hingedly connected to the lifting mechanism (2) and the support assembly (3).

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