CN214681946U

CN214681946U - Building rubbish breaker for building engineering

Info

Publication number: CN214681946U
Application number: CN202120357217.3U
Authority: CN
Inventors: 杨传运; 毛涛; 徐晨晨
Original assignee: Anhui Tongjian Construction Group Co ltd
Current assignee: Anhui Tongjian Construction Group Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-12
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to a building rubbish breaker for building engineering, it includes broken case, and broken incasement slope is provided with baffle, one-level sieve and second grade sieve to the rotation is equipped with crushing roller and rolls the roller, and the baffle upside is located to the crushing roller, rolls the roller and locates between the lower end of baffle and the inner wall of broken case, has seted up one-level discharge gate, second grade discharge gate and tertiary discharge gate on the broken case, and broken case is equipped with conveying assembly outward. When the crushing roller is used, the construction waste falls on the baffle after being crushed by the crushing roller, slides to the rolling roller to be crushed again, then falls on the first-stage sieve plate to be filtered, the construction waste with larger particle size is discharged from the first-stage discharge port, and the construction waste with smaller particle size falls on the second-stage sieve plate to be filtered for the second time; at the moment, the construction waste with larger particle size is discharged from the second-level discharge port, the construction waste with smaller particle size is discharged from the third-level discharge port, and finally the construction waste is respectively conveyed out by the conveying assembly, so that the construction waste is classified, screened and recycled, and the effect of improving the resource utilization efficiency is achieved.

Description

Building rubbish breaker for building engineering

Technical Field

The application relates to a construction waste treatment technical field especially relates to a construction waste breaker for building engineering.

Background

In the building engineering, a large amount of construction waste is inevitably generated, including excavated dregs, concrete blocks, stones, broken bricks and tiles, asphalt blocks and the like. The construction waste has high hardness and large volume, can be used as aggregate of building material products after being crushed, realizes resource utilization, and has higher economic value.

At present, chinese utility model patent that publication number is CN207614914U discloses a construction waste crushing apparatus, which comprises a bod, be equipped with breaker in the organism, breaker includes the pivot, broken wheel, stir garrulous inner roll and stir garrulous outer roller, the pivot is a pair of rotation and sets up in the upper portion of organism, broken wheel is fixed cup joints in the pivot, stir garrulous inner roll and rotate and set up in the lower part of organism, and output shaft through shaft coupling and broken motor, stir garrulous outer roller around stirring garrulous inner roll setting, and stir garrulous inner roll and stir and leave the clearance between the garrulous outer roller, its relative surface is equipped with broken tooth, the bottom of the body left and right sides is equipped with the discharge gate. During crushing, switch on starts breaker, and broken wheel and broken motor begin work, and broken motor drives and stirs garrulous inner roll and broken tooth and rotate, with building rubbish input machine internal, it is broken when broken wheel, falls into again and stirs garrulous inner roll and stirs and smashes between the outer roller and carry out further breakage, discharge gate discharge about by at last. However, the sizes of the aggregates required by different building material products are different, and after the building waste is crushed, the particles with different sizes are mixed together and are discharged from the discharge port, so that the grading recovery of the building waste is not facilitated, and the recycling efficiency of the building waste is reduced.

In view of the above-mentioned related technologies, the inventor thinks that there is a defect that after the construction waste is crushed, particles with different sizes are mixed and discharged, which is not beneficial to the graded recovery of the construction waste, and causes the reduction of the resource utilization efficiency.

SUMMERY OF THE UTILITY MODEL

In order to carry out hierarchical recovery to the construction waste after the breakage to improve its utilization efficiency as a resource, this application provides a construction waste breaker for building engineering.

The application provides a building rubbish breaker for building engineering adopts following technical scheme:

a construction waste crushing device for construction engineering comprises a crushing box, wherein a feed inlet is formed in the top of the crushing box, a crushing roller and a rolling roller are rotationally arranged in the crushing box, a baffle, a first-stage sieve plate and a second-stage sieve plate are sequentially arranged in the crushing box from top to bottom in an inclined mode, the baffle is arranged on the lower side of the crushing roller, and a gap for accommodating the rolling roller is reserved between the lower end of the baffle and the inner wall of the crushing box; a first-stage discharge hole and a second-stage discharge hole are respectively formed in the side wall of the crushing box, the lower end of the first-stage sieve plate is communicated with the first-stage discharge hole, the lower end of the second-stage sieve plate is communicated with the second-stage discharge hole, and the diameter of a sieve pore of the first-stage sieve plate is larger than that of the sieve pore of the second-stage sieve plate; the bottom of broken case has been seted up tertiary discharge gate, the one-level discharge gate the second grade discharge gate and the outside of tertiary discharge gate all is equipped with the conveyor assembly who is used for transporting out broken back construction waste.

By adopting the technical scheme, when in use, the construction waste is thrown into the crushing box from the feeding hole, falls on the baffle after being crushed by the crushing roller, slides to the rolling roller along the baffle to be crushed again, then falls on the first-stage sieve plate to be filtered, and the construction waste with the particle diameter larger than the diameter of the sieve pore of the first-stage sieve plate slides to the first-stage discharging hole along the first-stage sieve plate to be discharged and is sent out by the conveying assembly; the construction waste with the particle diameter smaller than the diameter of the sieve pores of the first-stage sieve plate falls on the second-stage sieve plate to be filtered, and the construction waste with the particle diameter larger than the diameter of the sieve pores of the second-stage sieve plate slides along the second-stage sieve plate to a second-stage discharge hole to be discharged and is sent out by the conveying assembly; the construction waste with the particle diameter smaller than the diameter of the sieve pores of the second-level sieve plate falls to the bottom of the crushing box and is discharged through the third-level discharge port and then is conveyed out by the conveying assembly, so that the construction waste after crushing is classified, screened and recycled, and the resource utilization efficiency of the construction waste is improved.

Optionally, the conveying assembly comprises a conveying support, a first rotating roller and a second rotating roller are connected in the conveying support in a rotating mode, a conveying belt is arranged between the first rotating roller and the second rotating roller in a winding mode, and a conveying motor used for driving the first rotating roller to rotate is installed on the conveying support.

Through adopting above-mentioned technical scheme, the during operation is fallen on the conveyer belt by broken case exhaust building rubbish, starts the conveying motor this moment, and the first roller that changes of conveying motor drive rotates, and first roller that changes drives the second through the conveyer belt and changes the roller rotation to this transports the building rubbish on the conveyer belt, reaches the purpose of transporting out broken back building rubbish.

Optionally, a plurality of supporting rollers are rotatably arranged in the conveying support, and the conveying belt is supported on the supporting rollers.

Through adopting above-mentioned technical scheme, at the in-process that the conveyer belt transported construction waste, construction waste's action of gravity easily makes the conveyer belt take place the tenesmus, and the backing roll that sets up this moment forms good support to the conveyer belt, has reduced effectively to support the conveyer belt and has taken place the possibility of tenesmus, has improved conveying assembly's the effect of transporting.

Optionally, the backing roll is followed the length direction of conveying support is equipped with three rows, one of them is one row the axis of rotation level of backing roll, two other rows the backing roll inclines respectively to be set up in the horizontally backing roll both sides, and the slope the backing roll is close to the one end at conveying support edge is higher end.

Through adopting above-mentioned technical scheme, at the in-process that the conveyer belt transported construction waste, the middle part that two rows of backing rolls that the slope set up made the conveyer belt is sunken, has reduced construction waste effectively and has taken place the possibility that drops by the both sides of conveyer belt, has further improved conveyor components's the effect of transporting.

Optionally, a shielding piece for shielding the first-stage discharge port and the second-stage discharge port is arranged on the side wall of the crushing box, the shielding piece is made of an elastic material, and the top end of the shielding piece is fixedly connected with the crushing box; fixedly connected with is located on the broken case the play hopper of shielding part downside, go out the hopper slope setting and its lower extreme extends to on the conveyer belt.

By adopting the technical scheme, the arranged shielding piece shields the first-stage discharge hole and the second-stage discharge hole, so that the possibility of dust overflow in the crushing box is reduced, and a dustproof effect is achieved; at broken case discharge building rubbish's in-process, building rubbish's action of gravity makes shielding piece take place elastic deformation to fall to the conveyer belt on by going out the hopper, prevent that building rubbish from taking place unrestrained by the clearance of conveyer belt with broken case, further improved and carried the effect.

Optionally, the higher ends of the primary sieve plate and the secondary sieve plate are both provided with a rapping assembly, the rapping assembly comprises a first belt wheel, a rotating shaft, a second belt wheel, a first gear, a belt, a cam, a second gear and a spring, a first motor for driving the crushing roller and a second motor for driving the rolling roller are mounted on the crushing box, the first belt wheel close to the primary sieve plate is fixedly sleeved on an output shaft of the second motor, and the first belt wheel close to the secondary sieve plate is fixedly sleeved on an output shaft of the first motor; the rotating shaft is rotatably arranged on the crushing box, the second belt wheel and the first gear are fixedly sleeved on the rotating shaft, and the belt is wound between the first belt wheel and the second belt wheel; the cam and the second gear are both rotationally connected with the crushing box, the rotational axes of the cam and the second gear are both vertical to the rotational axis of the rotating shaft, the cam is fixedly connected with the second gear, and the second gear is meshed with the first gear; two grooves are formed in the inner wall of the crushing box, the spring is fixedly arranged in the groove, the higher end of the first-stage sieve plate is fixedly connected with the spring and tightly abutted to the wheel surface of the cam, and the higher end of the second-stage sieve plate is fixedly connected with the spring and tightly abutted to the wheel surface of the cam.

By adopting the technical scheme, when the second motor is started, the second motor drives the rolling roller and the first belt wheel close to the first-stage sieve plate to rotate, the first belt wheel drives the second belt wheel to rotate through the belt, the second belt wheel drives the rotating shaft and the first gear to rotate, the second gear is meshed with the first gear and rotates at the moment, so that the cam is driven to rotate, under the elastic force of the spring, the higher end of the first-stage sieve plate always abuts against the wheel surface of the cam, the cam presses the first-stage sieve plate to vibrate repeatedly at the moment, the building garbage on the first-stage sieve plate can be shaken off while the rolling roller works, and the screening efficiency of the first-stage sieve plate is improved; in a similar way, when the first motor starts, the second-stage sieve plate repeatedly vibrates through the vibrating component, the construction waste on the second-stage sieve plate is shaken off when the conveying component works, the screening efficiency of the second-stage sieve plate is improved, and the grading recovery efficiency of the construction waste is further improved.

Optionally, the crushing roller is equipped with two, first motor drive is two the crushing roller is synchronous and rotate in opposite directions, and the feed inlet is located two directly over the crushing roller clearance, just install the feeder hopper with the feed inlet intercommunication on the top of broken case.

Through adopting above-mentioned technical scheme, the during operation drops into building rubbish into broken incasement by the feeder hopper, and building rubbish falls into between two crushing rollers this moment, starts first motor, makes two crushing rollers carry out synchronous reverse rotation, rolls it when two crushing roller broken building rubbish this moment, is favorable to improving the crushing effect of crushing roller.

Optionally, the inner top surface of the crushing box is hinged with an upper cover used for shielding the feeding hole, and a torsion spring is arranged between the upper cover and the crushing box.

Through adopting above-mentioned technical scheme, it has the upper cover that is used for sheltering from to articulate on the interior top surface of broken case the feed inlet, the upper cover with be equipped with the torsional spring between the broken case.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the crushing roller is used, the construction waste falls on the baffle after being crushed by the crushing roller, slides to the rolling roller along the baffle to be crushed again, then falls on the first-stage sieve plate, the construction waste with the particle diameter larger than the diameter of the sieve pore of the first-stage sieve plate is discharged from the first-stage discharge hole, and the construction waste with the particle diameter smaller than the diameter of the sieve pore of the first-stage sieve plate falls on the second-stage sieve plate; the construction waste with the particle diameter larger than the diameter of the sieve pores of the second-stage sieve plate is discharged from the second-stage discharge hole, the construction waste with the particle diameter smaller than the diameter of the sieve pores of the second-stage sieve plate falls on the bottom of the crushing box, is discharged from the third-stage discharge hole and is respectively sent out by the conveying assembly, so that the grading screening and recycling of the construction waste are realized, and the resource utilization efficiency of the construction waste is improved;

2. when the garbage conveyor works, construction garbage discharged by the crushing box falls on the conveyor belt, the conveyor motor is started to drive the conveyor motor to drive the first rotating roller to rotate, and the first rotating roller drives the second rotating roller to rotate through the conveyor belt, so that the construction garbage on the conveyor belt is conveyed, and the purpose of conveying the crushed construction garbage is achieved;

3. when the second motor is started, the second motor drives the rolling roller and the first belt wheel to rotate, the first belt wheel drives the rotating shaft to rotate through the belt and the second belt wheel, the rotating shaft drives the cam to rotate through the meshing of the first gear and the second gear, and then the first-stage sieve plate is pressed to vibrate repeatedly, so that the construction waste on the first-stage sieve plate is shaken off, and the sieving efficiency is improved; in a similar way, when first start-up, it makes the second grade sieve vibrate repeatedly through the subassembly of rapping to this shakes off the building rubbish on the second grade sieve, has improved the screening efficiency of second grade sieve.

Drawings

Fig. 1 is a schematic overall structure diagram of the application embodiment.

Fig. 2 is a schematic view of the internal structure of the application example.

Fig. 3 is a view from direction a in fig. 1.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Description of reference numerals: 1. a crushing box; 11. a feed inlet; 111. a feed hopper; 112. an upper cover; 113. a torsion spring; 12. a baffle plate; 13. a first-stage sieve plate; 131. a first-stage discharge hole; 14. a second-stage sieve plate; 141. a secondary discharge hole; 15. a third-stage discharge hole; 16. a shield; 17. a discharge hopper; 18. a groove; 2. a crushing roller; 21. a first motor; 3. rolling a roller; 31. a second motor; 4. a delivery assembly; 41. a delivery carriage; 42. a first rotating roller; 43. a second rotating roller; 44. a conveyor belt; 45. a conveying motor; 46. a support roller; 5. a rapping assembly; 51. a first pulley; 52. a rotating shaft; 53. a second pulley; 54. a first gear; 55. a belt; 56. a cam; 57. a second gear; 58. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses building rubbish breaker for building engineering. Referring to fig. 1 and 2, the construction waste crushing device for construction engineering comprises a crushing box 1, a crushing roller 2, a grinding roller 3, a conveying assembly 4 and a rapping assembly 5. Broken case 1 upper portion is the cuboid bodily form, and the lower part is the quadrangular frustum of a prism form, and the inside cavity of broken case 1 has seted up feed inlet 11 on its top surface, has seted up tertiary discharge gate 15 on the bottom surface, and the opening of feed inlet 11 and tertiary discharge gate 15 all is the rectangle.

Referring to fig. 2, the crushing roller 2 is rotatably disposed in the crushing box 1, and the number of the crushing rollers 2 is two, the two crushing rollers 2 are disposed in parallel, and the gap between the two crushing rollers 2 is located right below the feed port 11. The top of the crushing box 1 is provided with a feed hopper 111, the feed hopper 111 is quadrangular frustum pyramid shaped and hollow, the opening area of the top surface of the feed hopper 111 is larger than that of the bottom surface thereof, and the bottom surface thereof is communicated with the feed inlet 11. During the use, throw into feed hopper 111 with construction waste, construction waste falls to between two crushing rollers 2 through feed inlet 11. An upper cover 112 is hinged on the inner top surface of the crushing box 1, and the upper cover 112 is rectangular and can shield the feeding hole 11. A torsion spring 113 is arranged between the upper cover 112 and the crushing box 1, one end of the torsion spring 113 is fixedly connected with the feed hopper 111, and the other end is fixedly connected with the upper cover 112. During feeding, the upper cover 112 is pressed open by the construction waste, and after the feeding is finished, the upper cover 112 is automatically closed under the action of the elasticity of the torsion spring 113, so that the dust in the crushing box 1 is prevented from overflowing from the feeding hole 11. The crushing box 1 is provided with a first motor 21, and an output shaft of the first motor 21 is fixedly connected with the crushing roller 2. First motor 21 is equipped with two, and a first motor 21 corresponds a crushing roller 2, and when first motor 21 started, the rotation direction of two first motor 21 output shafts was opposite, and two crushing rollers 2 were synchronous just rotate in opposite directions this moment to this rolls the breakage to building rubbish.

Referring to fig. 2, the rolling roller 3 is rotatably disposed in the crushing box 1, and the rolling rollers 3 are disposed in two, and the two rolling rollers 3 are disposed in parallel. The crushing box 1 is provided with a second motor 31, and an output shaft of the second motor 31 is fixedly connected with the rolling roller 3. The second motor 31 is provided with two, one second motor 31 for each crushing roller 2. When the second motor 31 is started, the rotation directions of the output shafts of the two second motors 31 are opposite, and at the moment, the two rolling rollers 3 synchronously rotate in opposite directions. The crushing box 1 is internally and fixedly connected with a baffle 12, the baffle 12 is obliquely arranged, a gap is reserved between the lower end of the baffle 12 and the inner wall of the crushing box 1, and the rolling roller 3 is arranged in the gap. The construction waste crushed by the crushing roller 2 falls on the baffle 12 and slides to the space between the two crushing rollers 3 for crushing again.

Referring to fig. 2, a first-level discharge port 131 and a second-level discharge port 141 are respectively formed in the opposite side walls of the crushing box 1, and openings of the first-level discharge port 131 and the second-level discharge port 141 are rectangular. The crushing box 1 is internally provided with a first-stage sieve plate 13 and a second-stage sieve plate 14 in an inclined mode, the first-stage sieve plate 13 and the second-stage sieve plate 14 are both rectangular, and the diameter of each sieve hole of the first-stage sieve plate 13 is larger than that of each sieve hole of the second-stage sieve plate 14. The lower end of the first-stage sieve plate 13 is hinged with the inner wall of the crushing box 1 and is communicated with a first-stage discharge hole 131; the lower end of the secondary sieve plate 14 is hinged with the inner wall of the crushing box 1 and is communicated with a secondary discharge hole 141. The construction waste crushed by the rolling roller 3 falls on the first-stage sieve plate 13, the construction waste with the particle diameter larger than the diameter of the sieve pore of the first-stage sieve plate 13 is discharged from the first-stage discharge hole 131, and the construction waste with the particle diameter smaller than the diameter of the sieve pore of the first-stage sieve plate 13 falls on the second-stage sieve plate 14; the construction waste with the particle diameter larger than the diameter of the sieve pores of the second-stage sieve plate 14 is discharged from the second-stage discharge hole 141, the construction waste with the particle diameter smaller than the diameter of the sieve pores of the second-stage sieve plate 14 falls on the bottom of the crushing box 1, and is finally discharged from the third-stage discharge hole 15, so that the construction waste is classified and screened.

Referring to fig. 1, the conveying assembly 4 includes a conveying bracket 41, a first roller 42, a second roller 43, a conveying belt 44, and a conveying motor 45. The conveying bracket 41 is rectangular parallelepiped and is fixedly arranged outside the crushing box 1. The first rotating roller 42 and the second rotating roller 43 are respectively rotatably disposed at two ends of the conveying bracket 41, and the length direction of the first rotating roller 42 and the second rotating roller 43 are consistent with the width direction of the conveying bracket 41, and the conveying belt 44 is wound between the first rotating roller 42 and the second rotating roller 43. The conveying motor 45 is mounted on the wall side of the conveying bracket 41, and its output shaft is fixedly connected to the first rotating roller 42. Conveying assemblies 4 are provided with three groups, and conveying assemblies 4 in three groups are respectively arranged on the outer sides of the first-stage discharge port 131 and the second-stage discharge port 141 and below the third-stage discharge port 15. Discharged building rubbish falls to conveyer belt 44 after the classified screening on, starts conveying motor 45 and makes first commentaries on classics roller 42 rotate, and first commentaries on classics roller 42 passes through conveyer belt 44 and drives the second and change roller 43 and rotate to this transports building rubbish, realizes building rubbish's hierarchical recovery, improves resource utilization efficiency.

Referring to fig. 1, a shielding piece 16 is arranged on the outer side wall of the crushing box 1, the shielding piece 16 is rectangular sheet-shaped, is made of elastic material, is made of rubber, and the top end of the shielding piece is fixedly connected with the crushing box 1. Two shielding pieces 16 are arranged, and the two shielding pieces 16 respectively shield the first-stage discharge hole 131 and the second-stage discharge hole 141. The lower side of the shielding piece 16 is obliquely provided with a discharge hopper 17, the discharge hopper 17 is rectangular, the high end of the discharge hopper 17 is fixedly connected with the outer side wall of the crushing box 1, and the lower end of the discharge hopper extends onto the conveying belt 44. The shielding piece 16 reduces the possibility of dust overflowing in the crushing box 1, and in the process of discharging the construction waste from the crushing box 1, the shielding piece 16 is elastically deformed, and the construction waste is guided by the discharge hopper 17 to fall onto the conveying belt 44, so that the construction waste is prevented from being scattered from the gap between the conveying belt 44 and the crushing box 1.

Referring to fig. 1 and 2, a plurality of support rollers 46 are rotatably disposed in the conveying frame 41, three rows of support rollers 46 are disposed along the length direction of the conveying frame 41, the rotation axis of one row of support rollers 46 is horizontal, the other two rows of support rollers 46 are respectively disposed at two sides of the horizontal support roller 46 in an inclined manner, and one end of the inclined support roller 46 close to the edge of the conveying frame 41 is a higher end. In the process that the conveying belt 44 conveys the construction waste, the conveying belt 44 is supported on the roller surfaces of the supporting rollers 46, and the inclined supporting rollers 46 make the middle part of the conveying belt 44 concave, so that the possibility that the construction waste falls from two sides of the conveying belt 44 is reduced; and the support of the support rollers 46 reduces the likelihood of the support belt 44 falling.

Referring to fig. 3, 4, the rapping assembly 5 comprises a first pulley 51, a rotating shaft 52, a second pulley 53, a first gear 54, a belt 55, a cam 56, a second gear 57, and a spring 58. The rapping assemblies 5 are provided with two groups, and the two groups of rapping assemblies 5 are respectively arranged at the higher ends of the first-stage sieve plate 13 and the second-stage sieve plate 14. The first belt wheel 51 close to the first-stage sieve plate 13 is fixedly sleeved on the output shaft of the second motor 31, the rotating shaft 52 is rotatably arranged on the outer side wall of the crushing box 1, and the rotating axis of the rotating shaft is parallel to that of the rolling roller 3. The second belt wheel 53 and the first gear 54 are both fixedly sleeved on the rotating shaft 52, and the belt 55 is wound between the first belt wheel 51 and the second belt wheel 53. The cam 56 and the second gear 57 are both connected with the crushing box 1 in a rotating way, the rotating axes of the cam 56 and the second gear 57 are both vertical to the rotating axis of the rotating shaft 52, and the cam 56 and the second gear 57 are fixedly connected. The second gear 57 is engaged with the first gear 54, and the cam 56 is provided on the upper side of the upper end of the first-stage screen deck 13.

Referring to fig. 4, two grooves 18 are formed on the inner wall of the crushing box 1, the openings of the grooves 18 are rectangular, and the springs 58 are fixedly arranged on the inner bottom surfaces of the grooves 18. The higher end of the first-stage sieve plate 13 is arranged in the groove 18 on the upper side in a sliding manner, the lower side of the higher end of the first-stage sieve plate 13 is fixedly connected with the top end of the spring 58, and the upper side of the first-stage sieve plate is tightly abutted to the wheel surface of the cam 56. When the rolling roller 3 rotates, the second motor 31 drives the first belt pulley 51 to rotate, the first belt pulley 51 drives the rotating shaft 52 to rotate through the belt 55 and the second belt pulley 53, the rotating shaft 52 drives the cam 56 to rotate through the meshing of the first gear 54 and the second gear 57, and then the first-stage sieve plate 13 is pressed to vibrate repeatedly, so that the construction waste on the first-stage sieve plate 13 is shaken off, and the sieving efficiency is improved. Similarly, the first belt pulley 51 close to the second-stage sieve plate 14 is fixedly sleeved on the output shaft of the first motor 21, when the first rotating roller 42 rotates, the first motor 21 drives the rotating shaft 52 to rotate through the first belt pulley 51, the belt 55 and the second belt pulley 53, and the rotating shaft 52 drives the cam 56 to rotate through the first gear 54 and the second gear 57. At this time, the higher end of the secondary sieve plate 14 is slidably arranged in the groove 18 at the lower side, and the spring 58 is tightly pressed against the wheel surface of the cam 56 under the elastic force action, so that the secondary sieve plate 14 is pressed to repeatedly vibrate to shake off the construction waste, and the sieving efficiency is improved.

The implementation principle of the construction waste crushing device for the construction engineering is as follows: when the garbage crusher is used, the first motor 21, the second motor 31 and the conveying motor 45 are started, then construction garbage is fed into the feed hopper 111 to fall between the two crushing rollers 2, falls on the baffle 12 after being crushed by the crushing rollers 2, and falls between the two crushing rollers 3 along the inclined part to be crushed again; then the construction waste falls on the first-stage sieve plate 13, the construction waste with the particle diameter larger than the diameter of the sieve pores of the first-stage sieve plate 13 is discharged from a first-stage discharge hole 131, and the construction waste with the particle diameter smaller than the diameter of the sieve pores of the first-stage sieve plate 13 falls on a second-stage sieve plate 14; the construction waste with the particle diameter larger than the diameter of the sieve pores of the second-stage sieve plate 14 is discharged from the second-stage discharge hole 141, the construction waste with the particle diameter smaller than the diameter of the sieve pores of the second-stage sieve plate 14 falls to the bottom of the crushing box 1, and is finally discharged from the third-stage discharge hole 15, so that the construction waste is classified and screened, and is respectively conveyed into the collecting hoppers by the conveying assemblies 4, the classified recovery of the construction waste is realized, and the resource utilization efficiency of the construction waste is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building rubbish breaker for building engineering, includes broken case (1), and feed inlet (11), its characterized in that have been seted up at the top of broken case (1): the crushing roller (2) and the rolling roller (3) are rotationally arranged in the crushing box (1), a baffle plate (12), a first-stage sieve plate (13) and a second-stage sieve plate (14) are sequentially arranged in the crushing box (1) from top to bottom in an inclined mode, the baffle plate (12) is arranged on the lower side of the crushing roller (2), and a gap for accommodating the rolling roller (3) is reserved between the lower end of the baffle plate (12) and the inner wall of the crushing box (1); a first-stage discharge hole (131) and a second-stage discharge hole (141) are respectively formed in the side wall of the crushing box (1), the lower end of the first-stage sieve plate (13) is communicated with the first-stage discharge hole (131), the lower end of the second-stage sieve plate (14) is communicated with the second-stage discharge hole (141), and the diameter of a sieve hole of the first-stage sieve plate (13) is larger than that of the sieve hole of the second-stage sieve plate (14); three-level discharge hole (15) have been seted up to the bottom of broken case (1), one-level discharge hole (131) second grade discharge hole (141) and the outside of three-level discharge hole (15) all is equipped with conveying assembly (4) that are used for transporting out broken back construction waste.

2. The construction waste crushing device for the construction engineering according to claim 1, characterized in that: conveying assembly (4) are including conveying support (41), conveying support (41) internal rotation is connected with first roller (42) and second and changes roller (43), first roller (42) of changeing with around being equipped with conveyer belt (44) between roller (43) is changeed to the second, install on conveying support (41) and be used for the drive first roller (42) pivoted conveying motor (45) of changeing.

3. The construction waste crushing device for the construction engineering according to claim 2, characterized in that: a plurality of supporting rollers (46) are rotatably arranged in the conveying bracket (41), and the conveying belt (44) is supported on the supporting rollers (46).

4. The construction waste crushing device for the construction engineering according to claim 3, wherein: the backing roll (46) are followed the length direction of transfer support (41) is equipped with three rows, one of them row the axis of rotation level of backing roll (46), two rows in addition backing roll (46) slope respectively set up in the horizontally backing roll (46) both sides, and the slope backing roll (46) are close to the one end at transfer support (41) edge is higher end.

5. The construction waste crushing device for the construction engineering according to claim 2, characterized in that: the side wall of the crushing box (1) is provided with a shielding piece (16) for shielding the primary discharge port (131) and the secondary discharge port (141), the shielding piece (16) is made of an elastic material, and the top end of the shielding piece is fixedly connected with the crushing box (1); the crushing box (1) is fixedly connected with a discharge hopper (17) positioned on the lower side of the shielding piece (16), the discharge hopper (17) is obliquely arranged, and the lower end of the discharge hopper extends to the conveying belt (44).

6. The construction waste crushing device for the construction engineering according to claim 1, characterized in that: the high end of the first-stage sieve plate (13) and the high end of the second-stage sieve plate (14) are both provided with a rapping assembly (5), the rapping assembly (5) comprises a first belt wheel (51), a rotating shaft (52), a second belt wheel (53), a first gear (54), a belt (55), a cam (56), a second gear (57) and a spring (58), a first motor (21) for driving the crushing roller (2) and a second motor (31) for driving the rolling roller (3) are mounted on the crushing box (1), the first belt wheel (51) close to the first-stage sieve plate (13) is fixedly sleeved on an output shaft of the second motor (31), and the first belt wheel (51) close to the second-stage sieve plate (14) is fixedly sleeved on an output shaft of the first motor (21); the rotating shaft (52) is rotatably arranged on the crushing box (1), the second belt wheel (53) and the first gear (54) are fixedly sleeved on the rotating shaft (52), and the belt (55) is wound between the first belt wheel (51) and the second belt wheel (53); the cam (56) and the second gear (57) are both rotationally connected with the crushing box (1), the rotational axes of the cam (56) and the second gear (57) are both perpendicular to the rotational axis of the rotating shaft (52), the cam (56) is fixedly connected with the second gear (57), and the second gear (57) is meshed with the first gear (54); two grooves (18) are formed in the inner wall of the crushing box (1), the spring (58) is fixedly arranged in the groove (18), the higher end of the first-stage sieve plate (13) is fixedly connected with the spring (58) and tightly abutted to the wheel surface of the cam (56), and the higher end of the second-stage sieve plate (14) is fixedly connected with the spring (58) and tightly abutted to the wheel surface of the cam (56).

7. The construction waste crushing device for the construction engineering according to claim 6, wherein: crushing roller (2) are equipped with two, first motor (21) drive is two crushing roller (2) are synchronous and rotate in opposite directions, feed inlet (11) are located two directly over crushing roller (2) clearance, just install on the top of broken case (1) with feeder hopper (111) of feed inlet (11) intercommunication.

8. The construction waste crushing device for the construction engineering according to claim 1, characterized in that: articulated on the interior top surface of broken case (1) have and be used for sheltering from upper cover (112) of feed inlet (11), upper cover (112) with be equipped with torsional spring (113) between broken case (1).