CN111760624A

CN111760624A - Concrete waste smashes with categorised reinforcing bar sieving mechanism of quick scan

Info

Publication number: CN111760624A
Application number: CN202010651197.0A
Authority: CN
Inventors: 陈观荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-10-13

Abstract

The invention discloses a steel bar screening device for rapid scanning classification for crushing concrete waste, which belongs to the technical field of screening devices and comprises a crushing cylinder, the top of the crushing barrel is connected with a feeding pipe, the top of the feeding pipe is provided with a feeding hopper, the rear end surface of the crushing barrel is transversely provided with a plurality of groups of motors, and the motors on the rear end surface of the crushing cylinder are all connected with motor shafts which all penetrate through the front end surface of the crushing cylinder, the periphery of the motor shaft is sleeved with transversely meshed crushing gears, the bottom of the crushing cylinder is provided with a transverse cylinder, a first hole is arranged at the position, corresponding to the bottom of the crushing cylinder, of the top of the transverse cylinder in a penetrating manner, a motor base is arranged on the left end face of the transverse cylinder, a first speed reducer is arranged in an inner cavity of the motor base, the device can carry out high-efficient screening to the reinforcing bar in the concrete after smashing and retrieve, simultaneously, has dust removal capacity at kibbling in-process to, can carry out the quick scanning operation to the reinforcing bar that sieves out.

Description

Concrete waste smashes with categorised reinforcing bar sieving mechanism of quick scan

Technical Field

The invention relates to the technical field of screening devices, in particular to a reinforcing steel bar screening device for rapid scanning and classification for crushing concrete waste.

Background

Reinforced concrete, often referred to as reinforced concrete for short in engineering. It is a composite material which is formed by adding reinforcing mesh, steel plate or fiber into concrete and works together with the composite material to improve the mechanical property of concrete. In one of the most common forms of reinforced concrete.

Reinforced concrete is when carrying out recycle, need carry out shredding with the inside concrete that contains the reinforcing bar, later recycle the reinforcing bar screening separation, the reducing mechanism of present concrete is low to reinforced bar material's recovery efficiency, lead to the unable recycle once more of a large amount of reinforcing bars, cause a large amount of reinforcing bar resources to be wasted, current waste material reducing mechanism can not scan the screening to the reinforcing bar size simultaneously, and, carrying out kibbling in-process to the concrete, inevitable can produce a large amount of dusts, if the dust removal operation is carried out to the dust of raising up, must lead to the fact the threat to operator's health, therefore, a concrete waste material is smashed and is very valuable with quick scanning classification's reinforcing bar sieving mechanism.

Disclosure of Invention

The invention aims to provide a reinforcing steel bar screening device for quickly scanning and classifying concrete waste so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a reinforcing bar screening device for rapid scanning classification for crushing concrete waste comprises a crushing barrel, wherein the top of the crushing barrel is connected with an inlet pipe, the top of the inlet pipe is provided with a feed hopper, the rear end face of the crushing barrel is transversely provided with a plurality of groups of motors, the rear end face of the crushing barrel is connected with a motor shaft, the motor shaft penetrates through the front end face of the crushing barrel, the periphery of the motor shaft is sleeved with transversely meshed crushing gears, the bottom of the crushing barrel is provided with a transverse barrel, the top of the transverse barrel penetrates through a position corresponding to the bottom of the crushing barrel and is provided with a hole I, the left end face of the transverse barrel is provided with a motor base, the inner cavity of the motor base is provided with a speed reducer I, the right side of the speed reducer I is connected with a rotating rod, the rotating rod penetrates through and extends to the inner cavity of, the screening section of thick bamboo inner chamber is provided with screening plant, screening section of thick bamboo right-hand member face is provided with the electromagnetic shaker, screening section of thick bamboo bottom is connected with a scanning section of thick bamboo, scanning section of thick bamboo inner chamber is provided with scanning device, horizontal section of thick bamboo all is provided with landing leg one with screening bobbin base portion.

Preferably, dust collector includes the mount, mount inner chamber top left side is provided with the mount pad, the mount pad inner chamber is provided with reduction gear two, two bottoms of reduction gear are connected with the screw rod, mount inner chamber bottom corresponds the position with the screw rod and is provided with the bearing frame, the screw rod bottom is pegged graft fixedly to the bearing frame inner chamber, the screw rod right side is provided with the slide bar, the screw rod periphery is cup jointed and is provided with the swivel nut, the slide bar periphery is cup jointed and is provided with the slide bar cover, be provided with the linkage plate between swivel nut and the slide bar cover.

Preferably, a movable plate is arranged on the right side of the sliding rod sleeve, a first U-shaped frame is arranged on the left side of the bottom of the movable plate, a spray head is arranged in the inner cavity of the first U-shaped frame, connecting columns are arranged on the front end surface and the rear end surface of the spray head, the two groups of connecting columns penetrate through the first U-shaped frame, a second U-shaped frame is arranged on the left side of the top of the spray head, a bottom fixing block is arranged in the inner cavity of the second U-shaped frame, the U-shaped frame II is rotationally connected with the bottom fixing block through a pin shaft, the bottom of the bottom fixing block is provided with an electric telescopic rod I, a water pump is arranged at the top of the movable plate, a water tank is arranged at the top of the fixed frame, rubber hoses are connected between the water tank and the water pump and between the water pump and the spray head, the bottom support column is arranged at the bottom of the fixing frame, vertical plates are connected to the right sides of the fixing frame and the bottom support column, and the vertical plates are movably connected with the crushing barrel through bolts I.

Preferably, the screening device comprises a U-shaped frame four, an inclined plate is arranged in an inner cavity of the U-shaped frame four, the U-shaped frame four is rotatably connected with the inclined plate through a pin shaft two, a connecting transverse plate is connected to the left side of the inclined plate, a limiting slide block is arranged on the left end face of the connecting transverse plate, electromagnets are arranged in the inclined plate and the inner cavity of the connecting transverse plate, a U-shaped frame three is arranged at the bottom of the inclined plate, an upper fixing plate is arranged in an inner cavity of the U-shaped frame three, the U-shaped frame three is rotatably connected with the upper fixing plate through a pin shaft three, an electric telescopic rod two is arranged at the bottom of the upper fixing plate, a lower fixing seat is sleeved at the bottom of the electric telescopic rod two, a mounting bottom plate is arranged at the bottom of the lower fixing seat, the U-shaped frame four and the mounting plate are movably, and the right end face of the connecting block is provided with a radian limiting sliding groove matched with the limiting sliding block, and the limiting sliding block is movably arranged in the inner cavity of the radian limiting sliding groove.

Preferably, scanning device includes the ring main part, ring main part inner wall left side is provided with the equipment fixing base, equipment fixing base inner chamber is provided with infrared light scanner, ring main part inner chamber evenly is provided with infrared light sensor, ring main part outer wall evenly is provided with the spring groove, spring inslot inner chamber all is provided with the spring, infrared light sensor one end is kept away from to the spring all is connected with circular arc slider.

Preferably, the inner wall of the scanning cylinder is longitudinally provided with an arc groove matched with the arc sliding block, and the arc sliding block is arranged in the inner cavity of the matched arc groove.

Preferably, the left end face of the screening cylinder is provided with a circulation hole in a position corresponding to the connecting block in a penetrating manner, the left end face of the screening cylinder is provided with a collection box, and the bottom of the collection box is provided with a second support leg.

Compared with the prior art, the invention has the beneficial effects that: a concrete waste smashes and uses the classified reinforcing bar sieving mechanism of fast scanning, this concrete crushing device, pour the concrete waste into to the crushing barrel inner chamber through the feeder hopper first, pass the cooperation operation of the multiunit crushing gear, realize the crushing treatment to the concrete waste, the waste after smashing impels to the screening barrel inner chamber through the helical blade, then suck the reinforcing bar in the waste by the sieving mechanism, the rest concrete waste slips to the collecting box inner chamber to deposit under the effect that the shaker shakes, finally, close the power that is connected with the electro-magnet, drive the swash plate to move downwards through the electric telescopic link two, make the reinforcing bar material of the top of the swash plate slip to the scanning barrel inner chamber, scan the reinforcing bar size fast by the scanning device of the scanning barrel inner chamber again, it is convenient for the screener to judge the reinforcing bar size;

when the concrete waste is crushed, the dust removing device is used for removing dust generated in the crushing process;

the screw rod is driven to rotate through the second speed reducer, the screw sleeve is driven to move up and down through the screw rod, the movable plate is driven to perform height adjustment while the screw sleeve moves up and down, so that the movable plate can conveniently drive the spray head to adjust the spraying height, the spraying range of dust removal operation can be adjusted, the bottom fixed block is driven to move through the first electric telescopic rod, the U-shaped frame is driven to rotate through the bottom fixed block, and finally the spray head is driven to rotate through the U-shaped frame, so that the spraying angle of the spray head is adjusted;

through infrared light scanner transmission bar infrared light, the infrared light is received by the infrared light sensor who encircles main part inner wall again, can shelter from partly infrared light when the reinforcing bar falls into to encircle the main part inner chamber, cause partly infrared light sensor to receive infrared signal, the figure area that does not receive the infrared light sensor constitution obtains the size of reinforcing bar through the treater, the circular arc groove through scanning a section of thick bamboo inner chamber setting, make things convenient for the ring main part to pass through the circular arc slider and install at the scanning section of thick bamboo inner chamber fast on the one hand, on the other hand, through the effect of spring, make the circular arc slider have the roof pressure effect to the circular arc groove, the guarantee ring main part can be stably fixed inside the scanning.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the dust removing apparatus of the present invention;

FIG. 3 is a schematic view of the construction of the screening device of the present invention;

FIG. 4 is a top view of the scanning device of the present invention.

In the figure: 1. a milling drum; 2. a feed pipe; 3. a feed hopper; 4. a dust removal device; 41. a fixed mount; 42. a mounting seat; 43. a second speed reducer; 44. a screw; 45. a bearing seat; 46. a threaded sleeve; 47. a slide bar sleeve; 48. a connector tile; 49. a movable plate; 410. a water pump; 411. a rubber hose; 412. a first U-shaped frame; 413. a spray head; 414. a first electric telescopic rod; 415. a bottom fixing block; 416. a U-shaped frame II; 417. a slide bar; 418. a water tank; 419. a bottom support column; 420. a vertical plate; 5. a screening device; 51. a U-shaped frame IV; 52. a sloping plate; 53. connecting the transverse plates; 54. an electromagnet; 55. a limiting slide block; 56. a third U-shaped frame; 57. an upper fixing plate; 58. a second electric telescopic rod; 59. a lower fixed seat; 510. mounting a bottom plate; 6. a scanning device; 61. a ring body; 62. a device holder; 63. an infrared light scanner; 64. a spring slot; 65. a spring; 66. a circular arc slider; 67. an infrared light sensor; 7. a motor shaft; 8. a crushing gear; 9. a transverse cylinder; 10. a motor base; 11. a first speed reducer; 12. a rotating rod; 13. helical leaves; 14. a screening drum; 15. connecting blocks; 16. a scanning barrel; 17. a collection box; 18. a first support leg; 19. a second support leg; 20. a vibrator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1, the present invention provides a technical solution: a reinforcing steel bar screening device for quickly scanning and classifying concrete waste materials comprises a crushing barrel 1, wherein the top of the crushing barrel 1 is connected with a feeding pipe 2, the top of the feeding pipe 2 is provided with a feeding hopper 3, the rear end face of the crushing barrel 1 is transversely provided with a plurality of groups of motors, the motors on the rear end face of the crushing barrel 1 are connected with a motor shaft 7, the motor shaft 7 penetrates through the front end face of the crushing barrel 1, the periphery of the motor shaft 7 is sleeved with a transversely meshed crushing gear 8, the bottom of the crushing barrel 1 is provided with a transverse barrel 9, the top of the transverse barrel 9 penetrates through a hole I corresponding to the bottom of the crushing barrel 1, the left end face of the transverse barrel 9 is provided with a motor base 10, an inner cavity of the motor base 10 is provided with a speed reducer I11, the right side of the speed reducer I11 is connected with a rotating rod 12, the rotating rod 12, the screening cylinder 14 is provided with a screening device 5 in the inner cavity, the right end face of the screening cylinder 14 is provided with a vibrator 20, the bottom of the screening cylinder 14 is connected with a scanning cylinder 16, the inner cavity of the scanning cylinder 16 is provided with a scanning device 6, the bottom of the transverse cylinder 9 and the screening cylinder 14 are provided with a first support leg 18, the concrete crushing device firstly pours concrete waste into the inner cavity of the crushing cylinder 1 through a feed hopper 3, and then the concrete waste is crushed through the cooperation of a plurality of groups of crushing gears 8, the crushed waste is pushed into the inner cavity of the screening cylinder 14 through a spiral blade 13, then reinforcing steel bars in the waste are sucked out by the screening device 5, the rest of the concrete waste slides to the inner cavity of a collecting box 17 to be stored under the vibration effect of the vibrator 20, finally, a power supply connected with an electromagnet 54 is turned off, an inclined plate 52 is driven to move downwards through an electric telescopic rod II 58, so that the, the scanning device 6 of 16 inner chambers of a scanning section of thick bamboo by scanning the reinforcing bar size again carries out quick scanning, makes things convenient for the screening person to judge the reinforcing bar size, when the concrete waste material smashes the operation, carries out the dust removal operation through dust collector 4 to the dust that produces among the crushing process.

Referring to fig. 2, the dust removing device 4 includes a fixing frame 41, a mounting seat 42 is disposed on the left side of the top of an inner cavity of the fixing frame 41, a second speed reducer 43 is disposed in the inner cavity of the mounting seat 42, a screw 44 is connected to the bottom of the second speed reducer 43, a bearing seat 45 is disposed at a position corresponding to the screw 44 at the bottom of the inner cavity of the fixing frame 41, the bottom of the screw 44 is fixedly inserted into the inner cavity of the bearing seat 45, a sliding rod 417 is disposed on the right side of the screw 44, a threaded sleeve 46 is sleeved on the periphery of the screw 44, a sliding rod sleeve 47 is.

Referring to fig. 1 and 2, a movable plate 49 is disposed on the right side of a sliding rod sleeve 47, a first U-shaped frame 412 is disposed on the left side of the bottom of the movable plate 49, a nozzle 413 is disposed in an inner cavity of the first U-shaped frame 412, connecting columns are disposed on front and rear end surfaces of the nozzle 413, two groups of the connecting columns penetrate through the first U-shaped frame 412, a second U-shaped frame 416 is disposed on the left side of the top of the nozzle 413, a bottom fixing block 415 is disposed in an inner cavity of the second U-shaped frame 416, the second U-shaped frame 416 and the bottom fixing block 415 are rotatably connected through a pin, an electric telescopic rod 414 is disposed at the bottom of the bottom fixing block 415, a water pump 410 is disposed at the top of the movable plate 49, a water tank 418 is disposed at the top of a fixed frame 41, rubber hoses 411 are connected between the water tank 418 and the water pump 410 and between the water pump 410, drive screw rod 44 through two 43 reduction gears and rotate, drive swivel nut 46 up-and-down motion by screw rod 44 again, swivel nut 46 drives fly leaf 49 and carries out height adjustment when the up-and-down motion to make things convenient for fly leaf 49 to drive shower nozzle 413 adjustment jet height, thereby can adjust the spray regime of dust removal operation, drive bottom fixed block 415 motion through electric telescopic handle one 414, drive two 416 rotations of U type frame by bottom fixed block 415 again, drive shower nozzle 413 through two 416 of U type frame and rotate at last, thereby realize spraying angular adjustment to shower nozzle 413.

Referring to fig. 1 and 3, the screening device 5 includes a U-shaped frame four 51, an inclined plate 52 is disposed in an inner cavity of the U-shaped frame four 51, the U-shaped frame four 51 is rotatably connected with the inclined plate 52 through a pin shaft two, a connecting transverse plate 53 is connected to the left side of the inclined plate 52, a limit slider 55 is disposed on the left end surface of the connecting transverse plate 53, electromagnets 54 are disposed in the inner cavities of the inclined plate 52 and the connecting transverse plate 53, a U-shaped frame three 56 is disposed at the bottom of the inclined plate 52, an upper fixing plate 57 is disposed in the inner cavity of the U-shaped frame three 56, the U-shaped frame three 56 is rotatably connected with the upper fixing plate 57 through a pin shaft three, a second electric telescopic rod 58 is disposed at the bottom of the upper fixing plate 57, a lower fixing seat 59 is sleeved at the bottom of the second electric telescopic rod 58, a mounting base plate 510 is disposed at the bottom of the lower fixing seat 59, the U-, and the right end face of the connecting block 15 is provided with a radian limiting sliding groove matched with the limiting sliding block 55, the limiting sliding block 55 is movably arranged in an inner cavity of the radian limiting sliding groove, reinforcing steel bars in the waste are sucked out by the screening device 5, other concrete waste slides to an inner cavity of the collecting box 17 to be stored under the vibration effect of the vibrator 20, finally, a power supply connected with the electromagnet 54 is turned off, the inclined plate 52 is driven to move downwards through the electric telescopic rod two 58, and the reinforcing steel bar materials at the top of the inclined plate 52 slide to an inner cavity of the scanning cylinder 16.

Referring to fig. 4, the scanning device 6 includes a ring main body 61, a device fixing seat 62 is disposed on the left side of the inner wall of the ring main body 61, an infrared light scanner 63 is disposed in an inner cavity of the device fixing seat 62, an infrared light sensor 67 is uniformly disposed in an inner cavity of the ring main body 61, a spring groove 64 is uniformly disposed on the outer wall of the ring main body 61, a spring 65 is disposed in an inner cavity of the spring groove 64, one end, away from the infrared light sensor 67, of the spring 65 is connected to a circular arc slider 66, bar-shaped infrared light is emitted through the infrared light scanner 63, the infrared light is received by the infrared light sensor 67 on the inner wall of the ring main body 61, when the steel bar falls into the inner cavity of the ring main body 61, a part of the infrared light is shielded, so that.

Referring to fig. 1, a circulation hole is formed in a position, corresponding to the connecting block 15, of the left end surface of the screening cylinder 14, a collection box 17 is arranged on the left end surface of the screening cylinder 14, and a second support leg 19 is arranged at the bottom of the collection box 17.

Example 2:

referring to fig. 1 and 4, in the scanning cylinder 16, the inner wall is longitudinally provided with an arc groove matching with the arc slider 66, and the arc slider 66 is disposed in the inner cavity of the matching arc groove, compared with embodiment 1, the added arc groove of embodiment 2 has the following beneficial effects: through the arc groove that the inner chamber of a scanning section of thick bamboo 16 set up, make things convenient for ring main part 61 to install at the 16 inner chambers of a scanning section of thick bamboo fast through circular arc slider 66 on the one hand, on the other hand, through spring 65's effect for circular arc slider 66 has the roof pressure effect to the arc groove, and guarantee ring main part 61 can be stably fixed inside a scanning section of thick bamboo 16.

The working principle is as follows:

the concrete crushing device is characterized in that concrete waste is poured into an inner cavity of a crushing barrel 1 through a feed hopper 3, and then is subjected to matching operation through a plurality of groups of crushing gears 8, crushing treatment on the concrete waste is realized, the crushed waste is pushed into an inner cavity of a screening barrel 14 through a spiral blade 13, reinforcing steel bars in the waste are sucked out through a screening device 5, the rest of the concrete waste slides to an inner cavity of a collecting box 17 under the vibration effect of a vibrator 20 for storage, finally, a power supply connected with an electromagnet 54 is turned off, an inclined plate 52 is driven to move downwards through an electric telescopic rod II 58, so that the reinforcing steel bar material at the top of the inclined plate 52 slides to an inner cavity of a scanning barrel 16, and then a scanning device 6 in the inner cavity of the scanning barrel 16 is used for rapidly scanning the size of the;

and when the concrete waste is crushed, the dust removing device 4 is used for removing dust generated in the crushing process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concrete waste smashes with categorised reinforcing bar sieving mechanism of quick scan, includes crushing section of thick bamboo (1), its characterized in that: the top of the grinding cylinder (1) is connected with an inlet pipe (2), the top of the inlet pipe (2) is provided with a feed hopper (3), the rear end face of the grinding cylinder (1) is transversely provided with a plurality of groups of motors, the rear end face motors of the grinding cylinder (1) are all connected with a motor shaft (7), the motor shaft (7) penetrates through the front end face of the grinding cylinder (1), the periphery of the motor shaft (7) is sleeved with grinding gears (8) which are transversely meshed, the bottom of the grinding cylinder (1) is provided with a transverse cylinder (9), the top of the transverse cylinder (9) penetrates through a hole I corresponding to the bottom of the grinding cylinder (1), the left end face of the transverse cylinder (9) is provided with a motor base (10), the inner cavity of the motor base (10) is provided with a first speed reducer (11), the right side of the first speed reducer (11) is connected with a rotating rod (12), and the, the utility model discloses a screening drum, including bull stick (12), rotor (12) periphery is provided with spiral leaf (13), a horizontal section of thick bamboo (9) right side is connected with screening section of thick bamboo (14), screening section of thick bamboo (14) inner chamber is provided with screening plant (5), screening section of thick bamboo (14) right-hand member face is provided with electromagnetic shaker (20), screening section of thick bamboo (14) bottom is connected with scanning drum (16), scanning drum (16) inner chamber is provided with scanning device (6), a horizontal section of thick bamboo (9) and screening section of thick bamboo (14) bottom all are provided with landing leg (18).

2. The steel bar screening device for the rapid scanning and classification of the concrete waste crushing according to claim 1, wherein: dust collector (4) include mount (41), mount (41) inner chamber top left side is provided with mount pad (42), mount pad (42) inner chamber is provided with two (43) of reduction gear, two (43) bottoms of reduction gear are connected with screw rod (44), mount pad (41) inner chamber bottom is provided with bearing frame (45) with screw rod (44) corresponding position, screw rod (44) bottom is pegged graft and is fixed to bearing frame (45) inner chamber, screw rod (44) right side is provided with slide bar (417), screw rod (44) periphery is cup jointed and is provided with swivel nut (46), slide bar (417) periphery is cup jointed and is provided with slide bar cover (47), be provided with linking plate (48) between swivel nut (46) and slide bar cover (47).

3. The steel bar screening device for the rapid scanning and classification of the concrete waste crushing according to claim 2, wherein: the right side of the sliding rod sleeve (47) is provided with a movable plate (49), the left side of the bottom of the movable plate (49) is provided with a first U-shaped frame (412), the inner cavity of the first U-shaped frame (412) is provided with a spray head (413), the front end face and the rear end face of the spray head (413) are respectively provided with a connecting column, the two groups of connecting columns penetrate through the first U-shaped frame (412), the left side of the top of the spray head (413) is provided with a second U-shaped frame (416), the inner cavity of the second U-shaped frame (416) is provided with a bottom fixing block (415), the second U-shaped frame (416) is rotatably connected with the bottom fixing block (415) through a pin shaft, the bottom of the bottom fixing block (415) is provided with a first electric telescopic rod (414), the top of the movable plate (49) is provided with a water pump (410), the top of the fixing frame (41) is provided with a, the bottom supporting column (419) is arranged at the bottom of the fixing frame (41), vertical plates (420) are connected to the right sides of the fixing frame (41) and the bottom supporting column (419), and the two groups of vertical plates (420) are movably connected with the crushing barrel (1) through bolts.

4. The steel bar screening device for the rapid scanning and classification of the concrete waste crushing according to claim 1, wherein: the screening device (5) comprises a U-shaped frame four (51), an inclined plate (52) is arranged in an inner cavity of the U-shaped frame four (51), the U-shaped frame four (51) is rotatably connected with the inclined plate (52) through a pin shaft two, a connecting transverse plate (53) is connected to the left side of the inclined plate (52), a limiting slide block (55) is arranged on the left end face of the connecting transverse plate (53), electromagnets (54) are arranged in the inner cavities of the inclined plate (52) and the connecting transverse plate (53), a U-shaped frame three (56) is arranged at the bottom of the inclined plate (52), an upper fixing plate (57) is arranged in the inner cavity of the U-shaped frame three (56), the U-shaped frame three (56) is rotatably connected with the upper fixing plate (57) through a pin shaft three, an electric telescopic rod two (58) is arranged at the bottom of the upper fixing plate (57), a lower fixing, fixing base (59) bottom is provided with mounting plate (510) down, U type frame four (51) all through bolt two and screening section of thick bamboo (14) inner wall swing joint with mounting plate (510), screening section of thick bamboo (14) inner chamber left end face is provided with connecting block (15) with being connected diaphragm (53) and mate, just connecting block (15) right-hand member face is provided with the spacing spout of radian that matches with spacing slider (55), spacing slider (55) activity sets up at the spacing spout inner chamber of radian.

5. The steel bar screening device for the rapid scanning and classification of the concrete waste crushing according to claim 1, wherein: scanning device (6) are including ring main part (61), ring main part (61) inner wall left side is provided with equipment fixing base (62), equipment fixing base (62) inner chamber is provided with infrared light scanner (63), ring main part (61) inner chamber evenly is provided with infrared light sensor (67), ring main part (61) outer wall evenly is provided with spring groove (64), spring groove (64) inner chamber all is provided with spring (65), infrared light sensor (67) one end is kept away from in spring (65) all is connected with circular arc slider (66).

6. The steel bar screening device for the rapid scanning and classification of the concrete waste crushing according to claim 5, wherein: the inner wall of the scanning barrel (16) is longitudinally provided with an arc groove matched with the arc sliding block (66), and the arc sliding block (66) is arranged in the inner cavity of the matched arc groove.

7. The steel bar screening device for the rapid scanning and classification of the concrete waste crushing according to claim 4, wherein: the left end face of the screening cylinder (14) is provided with a circulation hole in a penetrating mode at a position corresponding to the connecting block (15), a collecting box (17) is arranged on the left end face of the screening cylinder (14), and a second supporting leg (19) is arranged at the bottom of the collecting box (17).