CN116786230A - Road bridge engineering concrete waste material treatment equipment - Google Patents

Abstract

The invention provides a road and bridge engineering concrete waste treatment device, which comprises: the crushing box is arranged on the machine table and is used for crushing the waste; the cleaning piece is arranged in the crushing box, reciprocates relative to the crushing box and is used for reducing dust when the crushing box works; the screening assembly is arranged at the discharge port of the crushing box, the screening assembly is provided with a plurality of screening parts which are distributed in a gradient manner, one end of each screening part is in transmission connection with the cleaning piece, the screening parts are used for providing at least three different screening grades for crushing waste materials, and the screening parts are provided with discharge ends corresponding to each screening grade; the collecting boxes are arranged in a plurality, and the collecting boxes are the same in number with the discharge ends and correspond to the discharge ends one by one. Compared with manual sorting screening, the invention can greatly improve the treatment efficiency and recycling effect of the concrete waste.

Description

Road bridge engineering concrete waste material treatment equipment

Technical Field

The invention belongs to the technical field of concrete waste treatment, and particularly relates to road and bridge engineering concrete waste treatment equipment.

Background

In the current road and bridge engineering construction process, the work of dismantling old concrete structures or cement concrete pavement structures under current conditions and the work of cleaning the cast-in-situ cement concrete residue waste piles are frequently encountered. During this time, a large amount of crushed waste concrete blocks are produced, which are typically disposed of in an external spoil house. Therefore, there is a need to develop a device for recycling the concrete blocks to be discarded after a scientific treatment mode, so as to change waste into valuable and realize harmless recycling of the discarded materials.

In the road bridge construction process, prefabricated bridge deck or pavement concrete slab is generally adopted, a large amount of waste concrete blocks can be produced in the preparation process and during the subsequent crushing and recycling construction of the road bridge, and a large amount of waste concrete temporarily stored in a stacking place is required to be subjected to waste treatment, so that the resource consumption is saved, the environment protection effect is enhanced, the existing residue treatment mode is mostly realized by crushing residues through a crusher, then small-particle-size concrete particles and sludge are screened through a screen, and then large-size concrete is manually selected for repeated use, a large amount of manpower and time are consumed in the process, the treatment efficiency and effect of concrete waste are less ideal, and further, the subsequent separation is required to be performed on the small-particle-size concrete particles and sludge, so that the waste is inconvenient to use after treatment.

Disclosure of Invention

The invention aims to provide road and bridge engineering concrete waste treatment equipment so as to solve the problems, and can greatly improve the treatment efficiency and the recycling effect of concrete waste compared with manual sorting screening.

In order to achieve the above object, the present invention provides the following solutions: a road and bridge engineering concrete waste treatment apparatus comprising:

the crushing box is arranged on the machine table and is used for crushing waste;

the cleaning piece is arranged in the crushing box and moves back and forth relative to the crushing box, and the cleaning piece is used for reducing dust when the crushing box works;

the screening assembly is arranged at the discharge port of the crushing box and is provided with a plurality of screening parts which are distributed in a gradient manner, one end of each screening part is in transmission connection with the cleaning piece, the screening parts are used for providing at least three different screening grades for crushing waste, and the screening parts are provided with discharge ends corresponding to the screening grades;

the collecting boxes are provided with a plurality of collecting boxes, and the collecting boxes and the discharging ends are the same in number and correspond to each other one by one.

Preferably, the screening part comprises a supporting rod with one end fixedly connected to the machine table, the other end of the supporting rod vertically extends upwards, at least four supporting rods are circumferentially arranged around the discharge hole as a center, at least two connecting rods are sequentially fixedly connected to the supporting rod from top to bottom, screening frames are fixedly connected between the connecting rods, which are oppositely arranged on the machine table, the screening frames are obliquely arranged, screening pieces are slidably connected to the screening frames, and the screening pieces reciprocate relative to the screening frames.

Preferably, the sliding rail is arranged on the screening frame, the screening piece comprises a screening seat which is in sliding connection with the sliding rail, the high end of the screening seat is in transmission connection with the cleaning piece, an empty slot is correspondingly arranged at the center of the screening seat and the discharge hole, a screen plate is fixedly connected in the empty slot, a plurality of screen holes are formed in the screen plate in a matrix mode, the pore diameters of the screen holes in the screen plate are sequentially reduced from top to bottom, a guide plate is correspondingly and fixedly connected at the low end of the screening frame and the low end of the screen plate, a guide piece is correspondingly arranged on the machine, and the collecting box is communicated with the guide end of the guide piece.

Preferably, the guide piece is including setting up a plurality of first conveyer belts on the board, first conveyer belt is fixed for the board through the mounting bracket, the low end of screening seat is provided with the hypotenuse, the high end setting of deflector is in the below of hypotenuse, the low end setting of deflector is adjacent the top of first conveyer belt, the collection box rigid coupling is in on the board, the opening that the collection box top was seted up with the delivery outlet correspondence setting of first conveyer belt.

Preferably, an elastic piece is arranged between the sieve plate and the sieve seat, the elastic piece comprises a plurality of springs, the edges of the bottom ends of the empty slots are fixedly connected with a support plate, a plurality of springs are fixedly connected on the support plate in the circumferential direction, and one end of each spring, which is far away from the support plate, is fixedly connected with the sieve plate;

and rollers are arranged on opposite sides of the outer side wall of the screening seat and are in sliding connection with the inner wall of the sliding rail.

Preferably, the cleaning piece comprises a sliding block fixedly connected with the inner wall surface of the crushing box, a sliding groove is formed in the side wall surface of the sliding block, a humidifying plate is connected in the sliding groove in a sliding mode, a plurality of grooves are formed in the humidifying plate in a matrix mode, a spray head is arranged in each groove, one end of the spray head is communicated with a water tank through a water pipe, the spray head faces the inside of the crushing box, and one end of the humidifying plate extends out of the crushing box to be connected with a reciprocating piece in a transmission mode.

Preferably, the reciprocating member comprises a motor plate fixedly connected to the outer side wall of the crushing box, a reciprocating motor is fixedly connected to the motor plate, a top plate is fixedly connected to an output shaft of the reciprocating motor, a slide bar is fixedly connected to one side, close to the top plate, of the humidifying plate, the slide bar extends out of the crushing box and is fixedly connected to the top plate, one end of a transmission rod is fixedly connected to the side wall surface of the top plate, the other end of the transmission rod vertically extends downwards, a driving rod is arranged between the transmission rod and the adjacent screening seat, and two ends of the driving rod are hinged to the transmission rod and the screening seat respectively.

Preferably, the crushing box comprises a supporting shell, the supporting shell is of a hollow tubular structure, a leakage hopper is arranged at the bottom end of the supporting shell in a communicated mode, a discharge hole is formed in the bottom end of the leakage hopper, and a crushing piece is arranged in the supporting shell.

Preferably, the crushing piece is in including the rigid coupling is in at least two driving motor of supporting shell periphery side, two driving motor's output shaft all rigid coupling has crushing pole, the one end of crushing pole stretches into supporting shell with supporting shell switching, the circumferential direction rigid coupling has a plurality of crushing sword on the crushing pole, sets up respectively two a plurality of on the crushing pole crushing sword rotates in opposite directions.

Compared with the prior art, the invention has the following advantages and technical effects:

according to the invention, the crushing box is arranged to crush the concrete waste generated in the bridge construction process, the cleaning piece is arranged in the crushing box and moves back and forth relative to the crushing box, so that the cleaning piece has a larger cleaning coverage area in dust fall, dust diffusion pollution in the crushing process is effectively reduced, the waste treatment effect is improved, the cleaning piece is in conveying connection with the screening parts with multiple screening grades, the screening parts are sequentially arranged at the discharge holes of the crushing box in a gradient manner, the discharge ends are correspondingly arranged through the screening grades, so that the multistage screening of crushed waste is realized, manual participation is not needed in the screening process, the cleaning piece is utilized to drive the screening parts to move back and forth, the screening separation of the waste is realized, and after the waste is screened into the multistage waste, the collecting box is directly corresponding to the discharge ends of the screening parts, so that the screened waste is collected, and the concrete waste treatment efficiency is effectively improved.

Drawings

For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a diagram showing the positional relationship between a pulverizing box and a machine;

FIG. 2 is a diagram of the connection between a drive rod and a drive rod;

FIG. 3 is a top view of the overall device;

FIG. 4 is a cross-sectional view of a screen deck;

wherein, 1, crushing the box; 2. a machine table; 3. a collection box; 4. a support rod; 5. a connecting rod; 6. a screening frame; 7. a screening seat; 8. a sieve plate; 9. a guide plate; 10. a first conveyor belt; 11. a mounting frame; 12. a spring; 13. a support plate; 14. a roller; 15. a slide block; 16. a humidifying plate; 17. a spray head; 18. a water pipe; 19. a water tank; 20. a pump machine; 21. a motor plate; 22. a reciprocating motor; 23. a top plate; 24. a slide bar; 25. a transmission rod; 26. a driving rod; 27. a support housing; 28. a hopper; 29. a driving motor; 30. crushing the rod; 31. a crushing knife; 32. and a second conveyor belt.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

Examples: 1-4, a road and bridge engineering concrete waste treatment apparatus comprising:

the crushing box 1 is arranged on the machine table 2, and the crushing box 1 is used for crushing waste;

the cleaning piece is arranged in the crushing box 1, reciprocates relative to the crushing box 1 and is used for reducing dust when the crushing box 1 works;

the screening assembly is arranged at the discharge port of the crushing box 1, the screening assembly is provided with a plurality of screening parts which are distributed in a gradient manner, one end of each screening part is in transmission connection with the cleaning piece, the screening parts are used for providing at least three different screening grades for crushing waste materials, and the screening parts are provided with discharge ends corresponding to each screening grade;

the collecting boxes 3 are arranged in a plurality, and the collecting boxes 3 are the same in number with the discharge ends and correspond to each other one by one.

According to the invention, the crushing box 1 is arranged to crush the concrete waste generated in the bridge construction process, the cleaning piece is arranged in the crushing box 1 and moves back and forth relative to the crushing box 1, so that the cleaning piece has a larger cleaning coverage area in dust fall, dust diffusion pollution in the crushing process is effectively reduced, the waste treatment effect is improved, the cleaning piece is in conveying connection with the screening parts with multiple screening grades, the screening parts are sequentially arranged at the discharge hole of the crushing box 1 in a gradient manner, the discharge ends are correspondingly arranged through the screening grades, the multistage screening of crushed waste is realized, the screening process does not need to be manually participated, the cleaning piece is utilized to drive the screening parts to move back and forth, the screening separation of the waste is realized, and after the waste is screened into the multistage waste, the collection box 3 directly corresponds to the discharge ends of the screening parts, so that the screened waste is collected, and the concrete waste treatment efficiency is effectively improved.

According to the technical scheme, concrete waste materials with different screening sizes are recycled through the collecting box 3, crushed waste concrete is added into fresh concrete for road and bridge pouring construction, resource recycling and environment protection are achieved, the common recycled concrete combination form is generally formed by mixing and stirring coarse aggregate and fine aggregate formed by using raw materials such as natural sand and fine stone according to a certain proportion, the waste concrete is sequentially screened and recycled through the collecting box 3, large-particle-size waste concrete residues are used as coarse aggregate, small-particle-size waste concrete is used as fine aggregate, fresh concrete is added to achieve recycling of the waste concrete, and as the properties of the waste concrete are different from those of the natural aggregate, the waste concrete is subjected to refinement and classification through the collecting box 3, the waste concrete is more beneficial to being used as recycled aggregate filling according to the characteristics of the corresponding waste concrete residues during use, and recycling effect of the waste concrete is effectively improved.

Further, the screening part comprises a supporting rod 4 with one end fixedly connected to the machine table 2, the other end of the supporting rod 4 vertically extends upwards, at least four supporting rods 4 are circumferentially arranged with a discharge hole as a center, at least two connecting rods 5 are fixedly connected to the supporting rod 4 from top to bottom in sequence, screening frames 6 are fixedly connected between the connecting rods 5 oppositely arranged on the machine table 2, the screening frames 6 are obliquely arranged, screening pieces are connected to the screening frames 6 in a sliding mode, and the screening pieces reciprocate relative to the screening frames 6.

Through at discharge gate circumference rigid coupling bracing piece 4, utilize bracing piece 4 and connecting rod 5 fixed screening frame 6 to make screening frame 6 slope setting, after the waste material is smashed to the discharge gate lets go, reciprocating motion's screening piece screens the waste material, at screening in-process, can improve screening efficiency, and effectively reduce the condition of waste material shutoff screening piece.

Further, the slide rail has been seted up on the screening frame 6, screening spare is including the screening seat 7 of sliding connection in the slide rail, screening seat 7's high end is connected with cleaning piece transmission, the empty slot has been seted up with the discharge gate correspondence to screening seat 7 center, the rigid coupling has sieve 8 in the empty slot, a plurality of sieve meshes have been seted up to the matrix on the sieve 8, wherein, the sieve mesh aperture on a plurality of sieve 8 reduces from top to bottom in proper order, the low end of screening frame 6 corresponds the rigid coupling with the low end of sieve 8 has deflector 9, be provided with the derivation piece on the board 2 with deflector 9 corresponds, collecting box 3 and the derivation end intercommunication of derivation piece.

Referring to fig. 1, through screening seat 7 slope and slip setting on screening frame 6, and screening seat 7's high end is connected with the cleaning member transmission, and when screening waste material, reciprocating motion's cleaning member drives screening board motion, carries out the process to the waste material through screen plate 8, through setting up a plurality of screen plates 8 from top to bottom in proper order on board 2 to the sieve mesh of screen plate 8 reduces gradually, realizes classifying screen, and the waste material of screening directly passes through deflector 9 and collects in the collection box 3 by screen plate 8 low end.

Further, the guide piece includes a plurality of first conveyer belts 10 that set up on board 2, and first conveyer belt 10 is fixed for board 2 through mounting bracket 11, and the low side of screening seat 7 is provided with the hypotenuse, and the high end of deflector 9 sets up in the below of hypotenuse, and the low end of deflector 9 sets up in the top of adjacent first conveyer belt 10, and collection box 3 rigid coupling is on board 2, and the opening that collection box 3 top was seted up corresponds the setting with the delivery outlet of first conveyer belt 10.

In this technical scheme, mounting bracket 11 rigid coupling is on board 2, and a plurality of first conveyer belts 10 pass through with the rigid coupling at the rotating electrical machines and the mounting bracket 11 switching of mounting bracket 11 one side, the lower extreme of deflector 9 is corresponding to first conveyer belt 10, retrieves the multistage waste material of screening, improves screening recovery efficiency.

In one embodiment of the invention, a second conveyor belt 32 is arranged below the screen plate 8 positioned at the lowest layer, the second conveyor belt 32 is also fixed on the machine table 2 through a mounting frame 11, a collecting box 3 is correspondingly arranged at the output port of the second conveyor belt 32, and the filtered small-particle concrete is recovered through the collecting box 3.

Further, an elastic piece is arranged between the sieve plate 8 and the sieve seat 7, the elastic piece comprises a plurality of springs 12, a support plate 13 is fixedly connected with the edge opening at the bottom end of the empty slot, a plurality of springs 12 are arranged on the support plate 13 in a circumferential manner Xiang Gujie, and one end, far away from the support plate 13, of each spring 12 is fixedly connected with the sieve plate 8;

the opposite sides of the outer side wall of the screening seat 7 are provided with rollers 14, and the rollers 14 are in sliding connection with the inner wall of the sliding rail.

Utilize the spring 12 that sets up between sieve 8 and screening seat 7 to enlarge the vibration effect of sieve 8, strengthen screening efficiency to the changeover groove has been seted up at screening seat 7 lateral wall, with gyro wheel 14 through pivot and changeover groove switching, the cleaning member of being convenient for drives screening seat 7 and slides, improves the vibration effect between screening seat 7 and the sieve 8.

Further, the cleaning piece comprises a sliding block 15 fixedly connected to the inner wall surface of the crushing box 1, a sliding groove is formed in the side wall surface of the sliding block 15, a humidifying plate 16 is slidingly connected in the sliding groove, a plurality of grooves are formed in the humidifying plate 16 in a matrix mode, a spray head 17 is arranged in each groove, one end of the spray head 17 is communicated with a water tank 19 through a water pipe 18, the spray head 17 faces into the crushing box 1, and one end of the humidifying plate 16 extends out of the crushing box 1 to be connected with a reciprocating piece in a transmission mode.

As shown in fig. 2, by installing the pump 20 on the water tank 19, the pump 20 is connected with the humidifying plate 16 through the water pipe 18, when the reciprocating member drives the humidifying plate 16 to move, the cleaning water sprayed by the spray head 17 adsorbs dust in the process of crushing waste materials and forms a mud-water mixture to pass through the sieve plate 8 together, the dust falling operation can be completed in the process, and the large-particle concrete screened by the sieve plate 8 is directly separated from the dust under the vibration action of the sieve plate 8, so that the recycling efficiency of the large-particle concrete is further improved.

Further, the reciprocating member comprises a motor plate 21 fixedly connected to the outer side wall of the crushing box 1, a reciprocating motor 22 is fixedly connected to the motor plate 21, a top plate 23 is fixedly connected to an output shaft of the reciprocating motor 22, a slide bar 24 is fixedly connected to one side, close to the top plate 23, of the humidifying plate 16, the slide bar 24 extends out of the crushing box 1 and is fixedly connected to the top plate 23, one end of a transmission rod 25 is fixedly connected to the side wall surface of the top plate 23, the other end of the transmission rod 25 extends vertically downwards, a driving rod 26 is arranged between the transmission rod 25 and the adjacent screening seat 7, and two ends of the driving rod 26 are respectively hinged to the transmission rod 25 and the screening seat 7.

Referring to fig. 2, by starting the reciprocating motor 22 to drive the top plate 23 and the slide bar 24, the slide bar 24 drives the humidifying plate 16 to reciprocate to separate dust and waste from dust, the top plate 23 drives the transmission rod 25 to realize reciprocating motion of the plurality of screening seats 7, and it can be understood that in the technical scheme, the humidifying plate 16 and the reciprocating motor 22 are correspondingly provided with two, the same plurality of screening seats 7 can be respectively connected with the two transmission rods 25 through different driving rods 26, in the screening process, the plurality of screening plates 8 can mutually reciprocate in a staggered manner by adjusting the reciprocating frequency of the two reciprocating motors 22 or controlling different opening moments of the reciprocating motor 22, when the waste is separated by the upper-stage screening plate 8, the waste falls into the motion direction of receiving different motion frequencies on the next-layer screening plate 8, so that the possible condition of poor screening effect caused by stacking the waste is effectively reduced, and further the waste treatment effect is improved.

And the motor plate 21 is provided with a limit groove, so that the top plate 23 is in limit sliding connection with the limit groove, and the stability of the reciprocating motor 22 for driving the slide rod 24 and the transmission rod 25 is improved.

Further, smashing case 1 includes support casing 27, and support casing 27 is hollow tubular structure, and support casing 27's bottom intercommunication is provided with hourglass hopper 28, and the discharge gate is offered in the bottom of hourglass hopper 28, is provided with crushing piece in the support casing 27.

Further, the crushing member comprises at least two driving motors 29 fixedly connected to the outer periphery of the supporting shell 27, wherein the crushing rods 30 are fixedly connected to the output shafts of the two driving motors 29, one ends of the crushing rods 30 extend into the supporting shell 27 and are connected with the supporting shell 27 in a switching mode, a plurality of crushing cutters 31 are arranged on the periphery Xiang Gujie of the crushing rods 30, and the crushing cutters 31 respectively arranged on the two crushing rods 30 rotate in opposite directions.

The two crushing rods 30 are driven to rotate in opposite directions by starting the two driving motors 29, so that waste is crushed fully, a plurality of crushing rods 30 can be sequentially arranged in the supporting shell 27 from top to bottom according to actual conditions, the crushing effect is improved, the spraying effect of the spray head 17 in the crushing process is combined, the separation effect of dust in the waste and concrete is enhanced, and the treatment burden of the recycled concrete waste after screening in subsequent treatment is reduced.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (9)

1. A road and bridge engineering concrete waste treatment apparatus, comprising:

the crushing box (1) is arranged on the machine table (2), and the crushing box (1) is used for crushing waste;

the cleaning piece is arranged in the crushing box (1), and moves back and forth relative to the crushing box (1), and is used for reducing dust when the crushing box (1) works;

the screening assembly is arranged at the discharge port of the crushing box (1), the screening assembly is provided with a plurality of screening parts which are distributed in a gradient manner, one end of each screening part is in transmission connection with the cleaning piece, the screening parts are used for providing at least three different screening grades for crushing waste, and the screening parts are provided with discharge ends corresponding to the screening grades;

the collecting boxes (3) are arranged in a plurality, and the collecting boxes (3) are the same in number and in one-to-one correspondence with the discharging ends.

2. The road and bridge engineering concrete waste treatment apparatus of claim 1, wherein: the screening part comprises a supporting rod (4) with one end fixedly connected to the machine table (2), the other end of the supporting rod (4) vertically extends mutually, at least four supporting rods (4) are circumferentially arranged around the discharge hole, at least two connecting rods (5) are sequentially fixedly connected to the supporting rod (4) from top to bottom, screening frames (6) are fixedly connected between the connecting rods (5) which are oppositely arranged on the machine table (2), the screening frames (6) are obliquely arranged, screening pieces are slidingly connected to the screening frames (6), and the screening pieces reciprocate relative to the screening frames (6).

3. The road and bridge engineering concrete waste treatment apparatus of claim 2, wherein: the screening frame (6) is provided with a sliding rail, the screening piece comprises a screening seat (7) which is connected with the sliding rail in a sliding way, the high end of the screening seat (7) is in transmission connection with the cleaning piece, the center of the screening seat (7) is correspondingly provided with a blank groove, a screen plate (8) is fixedly connected in the blank groove, a plurality of screen holes are formed in the screen plate (8) in a matrix mode, the hole diameters of the screen holes in the screen plate (8) are sequentially reduced from top to bottom, a guide plate (9) is correspondingly and fixedly connected at the low end of the screen plate (8), a guide piece is correspondingly arranged at the machine table (2), and the collecting box (3) is communicated with the guide end of the guide piece.

4. A road and bridge engineering concrete waste treatment apparatus according to claim 3, wherein: the guide piece is including setting up a plurality of first conveyer belts (10) on board (2), first conveyer belt (10) pass through mounting bracket (11) for board (2) are fixed, the low end of screening seat (7) is provided with the hypotenuse, the high end setting of deflector (9) is in the below of hypotenuse, the low end setting of deflector (9) is adjacent the top of first conveyer belt (10), collection box (3) rigid coupling is in on board (2), the opening that collection box (3) top was seted up with the delivery outlet of first conveyer belt (10) corresponds the setting.

5. The road and bridge engineering concrete waste treatment apparatus of claim 4, wherein: an elastic piece is arranged between the sieve plate (8) and the sieving seat (7), the elastic piece comprises a plurality of springs (12), a support plate (13) is fixedly connected with the edge opening of the bottom end of the empty slot, a plurality of springs (12) are circumferentially fixedly connected to the support plate (13), and one end, far away from the support plate (13), of each spring (12) is fixedly connected with the sieve plate (8);

and rollers (14) are arranged on opposite sides of the outer side wall of the screening seat (7), and the rollers (14) are in sliding connection with the inner wall of the sliding rail.

6. A road and bridge engineering concrete waste treatment apparatus according to claim 3, wherein: the cleaning piece comprises a sliding block (15) fixedly connected with the inner wall surface of the crushing box (1), a sliding groove is formed in the side wall surface of the sliding block (15), a humidifying plate (16) is connected in the sliding groove in a sliding mode, a plurality of grooves are formed in the humidifying plate (16) in a matrix mode, a spray head (17) is arranged in the grooves, one end of the spray head (17) is communicated with a water tank (19) through a water pipe (18), the spray head (17) faces the inside of the crushing box (1), and one end of the humidifying plate (16) extends out of the crushing box (1) to be connected with a reciprocating piece in a transmission mode.

7. The road and bridge engineering concrete waste treatment apparatus of claim 6, wherein: the utility model discloses a crushing box, including smashing motor board (21) of case (1) lateral wall, the rigid coupling has reciprocating motor (22) on motor board (21), the output shaft rigid coupling of reciprocating motor (22) has roof (23), humidification board (16) are close to one side rigid coupling of roof (23) has slide bar (24), slide bar (24) stretch out smash case (1) with roof (23) rigid coupling, roof (23) lateral wall face rigid coupling has the one end of transfer line (25), the other end vertical downwardly extending of transfer line (25), transfer line (25) are adjacent be provided with actuating lever (26) between screening seat (7), the both ends of actuating lever (26) respectively with transfer line (25) with screening seat (7) are articulated.

8. The road and bridge engineering concrete waste treatment apparatus of claim 1, wherein: the crushing box (1) comprises a supporting shell (27), the supporting shell (27) is of a hollow tubular structure, a hopper (28) is arranged at the bottom end of the supporting shell (27) in a communicated mode, a discharge hole is formed in the bottom end of the hopper (28), and a crushing piece is arranged in the supporting shell (27).

9. The road and bridge engineering concrete waste treatment apparatus of claim 8, wherein: the crushing piece is including the rigid coupling is in at least two driving motor (29) of support casing (27) periphery side, two the output shaft of driving motor (29) all rigid coupling has crushing pole (30), the one end of crushing pole (30) stretches into support casing (27) with support casing (27) switching, the circumferential direction rigid coupling has a plurality of crushing sword (31) on crushing pole (30), sets up respectively two a plurality of on crushing pole (30) crushing sword (31) rotate in opposite directions.