CN113020209A - Automatic garbage pretreatment device for environmental protection engineering and use method thereof - Google Patents

Abstract

The invention relates to the field of environmental protection engineering equipment, in particular to an automatic garbage pretreatment device for environmental protection engineering and a using method thereof. The automatic garbage pretreatment device for the environmental protection engineering and the use method thereof improve the crushing effect and efficiency of garbage, compact and cut the crushed garbage into blocks, save space, are beneficial to providing transportation efficiency, and avoid the loosening of the crushed garbage, thereby being convenient for collecting and transporting the crushed garbage.

Description

Automatic garbage pretreatment device for environmental protection engineering and use method thereof

Technical Field

The invention relates to the field of environmental protection engineering equipment, in particular to an automatic garbage pretreatment device for environmental protection engineering and a using method thereof.

Background

In the construction process of the environmental protection engineering, after the garbage is collected, the garbage is subjected to original pretreatment operation, so that the garbage is crushed, the garbage is subjected to later reprocessing, and the garbage is convenient to transport. The existing equipment for crushing the garbage is in a loose state after the garbage is crushed, so that the garbage is inconvenient to collect, load and transport, and is easy to float everywhere to enlarge pollution.

Disclosure of Invention

The invention aims to provide an automatic garbage pretreatment device for environmental protection engineering and a using method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an automatic preprocessing device of rubbish that environmental protection engineering used, including the crushing case that is used for carrying out crushing treatment to rubbish, crushing case is fixed in the upper end of support two, support two is fixed on the base, be provided with crushing mechanism on the crushing case, and crushing mechanism is used for carrying out crushing treatment to rubbish, the bottom of crushing case is provided with compacting mechanism, compacting mechanism is connected with the transmission of crushing mechanism, and compacting mechanism is used for carrying out the briquetting to rubbish behind the crushing mechanism crushing treatment, be provided with feeding mechanism on the base, and feeding mechanism is connected with the transmission of compacting mechanism, feeding mechanism is used for coming the rubbish output behind the briquetting.

Preferably, the crushing mechanism comprises a feeding cylinder fixed on the upper surface of the crushing box, a frame plate is fixed on the upper end face of the feeding cylinder, a motor is fixed on the frame plate, a second rotating shaft is arranged inside the feeding cylinder, the upper end of the second rotating shaft is in transmission connection with the motor, the second rotating shaft is in transmission connection with the compacting mechanism, and the second rotating shaft and the feeding cylinder share the central axis.

Preferably, the outer side wall of the feeding cylinder is fixedly communicated with a feeding hopper, the lower port of the feeding cylinder is communicated with the crushing box, the top wall of the feeding cylinder penetrates through and is fixedly connected with the first shaft sleeve, the second rotating shaft penetrates through the first shaft sleeve and can rotate around the first shaft sleeve, the second rotating shaft is arranged on one section of outer peripheral wall inside the feeding cylinder and is provided with a plurality of crushing rods, the fixed shaft of each crushing rod is rotatably connected to the outer side wall of the second rotating shaft, and the rotating axis of each crushing rod is perpendicular to the different surface of the central axis of the second rotating shaft.

Preferably, the upper end of the lower extreme fixed connection awl section of thick bamboo of crushing case, the upper end of the lower extreme fixed connection play feed cylinder of awl section of thick bamboo, awl section of thick bamboo and play feed cylinder all with two sharing central axes of pivot, and the upper end diameter of awl section of thick bamboo is greater than its lower extreme diameter, is fixed with crushing section of thick bamboo on the inner wall of crushing case, and the inside of crushing section of thick bamboo is provided with the crushing roller, and crushing section of thick bamboo and crushing roller all share the central axis with two pivots.

Preferably, the inner wall of the crushing barrel is of a conical surface structure, the diameter of the upper port is smaller than that of the lower port, the outer side wall of the crushing roller is of a conical surface structure, the diameter of the upper port is smaller than that of the lower port, a gap is reserved between the inner wall of the crushing barrel and the outer side wall of the crushing roller, and the gap width becomes smaller from top to bottom in sequence.

Preferably, the compacting mechanism is including fixing cantilever two on smashing the case periphery wall, dead axle rotates the pivot three that is connected with vertical direction setting on the cantilever two, the upper end of pivot three is passed through the band pulley subassembly and is connected with the transmission of pivot two, the one end of the lower extreme fixed connection U-shaped pole of pivot three, and the opening of U-shaped pole is towards the horizontal direction, the other end and the feeding mechanism transmission of U-shaped pole are connected, the middle part of U-shaped pole is cup jointed and the dead axle rotates and is connected with axle sleeve two, perpendicular and fixed connection connecting rod on the lateral wall of axle sleeve two.

Preferably, a third support is fixed on the outer side wall of the discharge cylinder, a third rotating shaft is rotatably connected to the third support through a fixed shaft, a first gear and a second gear are fixed on the third rotating shaft, a first guide sleeve is fixed on the third support, a rack is slidably connected to the first guide sleeve and is meshed with the upper end of the first gear, the rack is hinged to one end, away from the second shaft sleeve, of a connecting rod, second guide sleeves are fixed on the upper side and the lower side of the third support on the outer side wall of the discharge cylinder, a second toothed plate and a first toothed plate are respectively inserted and slidably connected into the second guide sleeve, and the upper end and the lower end of the second gear are respectively meshed with the second toothed plate and the first toothed plate.

Preferably, the compacting mechanism is still including fixing the reciprocating type lead screw at crushing roller bottom surface center, cup joints and sliding connection has the sliding sleeve on the lateral wall of reciprocating type lead screw, and the lower extreme of sliding sleeve is fixed with the column casing, and the lower extreme of column casing is fixed with the frustum, and the lower extreme of frustum is fixed with the briquetting, and briquetting slidable connection is in going out the feed cylinder, through the branch fixed connection lantern ring on the inside wall of column casing, and the column casing is pegged graft in the lantern ring and only can reciprocate in the lantern ring.

Preferably, feeding mechanism includes the conveying frame that the level set up, and conveying frame fixes on the base through support one, and the equal dead axle in both ends of conveying frame rotates and is connected with the gyro wheel, two the gyro wheel passes through the conveyer belt transmission and connects, coaxial fixed connection turbine on the gyro wheel, is fixed with cantilever one on the support two, and cantilever one is gone up the dead axle and is rotated and be connected with vertical ascending pivot one that is provided with, and the one end of pivot three is kept away from to the upper end fixed connection U-shaped pole of pivot one, and the lower extreme fixed connection worm of pivot one, worm and turbine meshing are connected.

The application also provides a use method of the automatic garbage pretreatment device for the environmental protection engineering, which comprises the following steps:

the method comprises the following steps: carrying out secondary crushing treatment on the garbage through a crushing mechanism, and automatically feeding the crushed garbage into a compaction mechanism;

step two: the crushing mechanism drives the compacting mechanism to compact and cut the crushed garbage into blocks, and then the blocks are conveyed into the feeding mechanism;

step three: the compacting mechanism drives the feeding mechanism to work so as to output the cut garbage.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, the garbage is crushed for the second time by the crushing mechanism, so that the garbage is better crushed and changed into small blocks from large blocks after being crushed, thereby avoiding the blockage of the crushing roller and the crushing barrel caused by larger garbage block heads, ensuring that the garbage can smoothly enter the clearance between the crushing roller and the crushing barrel for further crushing, reducing the crushing difficulty, improving the crushing effect and efficiency of the garbage, the crushed garbage automatically enters the compaction mechanism, the compaction mechanism is driven by the crushing mechanism to compact and cut the crushed garbage into blocks, the space is saved, the transportation efficiency is favorably improved, the crushed garbage is prevented from loosening, the garbage can not be diffused, thereby facilitating the collection and transportation of the crushed garbage, saving time and labor, improving the working efficiency, then the garbage is conveyed into a feeding mechanism, and the feeding mechanism is driven by a compacting mechanism to work so as to output the cut garbage.

Drawings

FIG. 1 is a first schematic view of the cross-sectional structure of the final assembly of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the final assembly of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

fig. 5 is an enlarged schematic view of the structure at C in fig. 2.

In the figure: 1. a base; 2. a first bracket; 3. a transfer frame; 4. a conveyor belt; 5. a worm; 6. a turbine; 7. a roller; 8. a toothed plate I; 9. a first cantilever; 10. a first rotating shaft; 11. a U-shaped rod; 12. a toothed plate II; 13. a second guide sleeve; 14. a discharging barrel; 15. briquetting; 16. a frustum; 17. a conical cylinder; 18. a column casing; 19. a strut; 20. a crushing roller; 21. a crushing box; 22. a crushing cylinder; 23. a second rotating shaft; 24. a feed hopper; 25. a first shaft sleeve; 26. a frame plate; 27. a motor; 28. a pulley assembly; 29. a feeding cylinder; 30. a rotating shaft III; 31. a breaking bar; 32. a second cantilever; 33. a second bracket; 34. a collar; 35. a sliding sleeve; 36. a reciprocating screw rod; 37. a first guide sleeve; 38. a rack; 39. a second shaft sleeve; 40. a third bracket; 41. a rotating shaft III; 42. a first gear; 43. a second gear; 44. a connecting rod.

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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution:

the utility model provides an automatic preprocessing device of rubbish that environmental protection engineering used, including the crushing case 21 that is used for carrying out crushing treatment to rubbish, crushing case 21 is fixed in the upper end of two supports 33, two supports 33 are fixed on base 1, be provided with crushing mechanism on crushing case 21, and crushing mechanism is used for carrying out crushing treatment to rubbish, the bottom of crushing case 21 is provided with compacting mechanism, compacting mechanism is connected with the transmission of crushing mechanism, and compacting mechanism is used for carrying out the briquetting to the rubbish after the crushing treatment of crushing mechanism and handles, be provided with feeding mechanism on the base 1, and feeding mechanism is connected with the transmission of compacting mechanism, feeding mechanism is used for exporting the rubbish after the briquetting.

In this embodiment, the crushing mechanism includes a feeding cylinder 29 fixed on the upper surface of the crushing box 21, a frame plate 26 is fixed on the upper end surface of the feeding cylinder 29, a motor 27 is fixed on the frame plate 26, a second rotating shaft 23 is arranged inside the feeding cylinder 29, the upper end of the second rotating shaft 23 is in transmission connection with the motor 27, the second rotating shaft 23 is in transmission connection with the compacting mechanism, and the second rotating shaft 23 and the feeding cylinder 29 share the central axis.

In this embodiment, a feed hopper 24 is fixed and communicated on the outer side wall of the feed cylinder 29, the lower port of the feed cylinder 29 is communicated with the crushing box 21, the top wall of the feed cylinder 29 penetrates and is fixedly connected with the first shaft sleeve 25, the second rotating shaft 23 penetrates through the first shaft sleeve 25 and can rotate around the first shaft sleeve 25, a plurality of crushing rods 31 are arranged on a section of outer peripheral wall of the second rotating shaft 23, which is located inside the feed cylinder 29, the crushing rods 31 are connected on the outer side wall of the second rotating shaft 23 in a fixed-shaft rotating manner, and the rotating axis of the crushing rods 31 is perpendicular to the different surfaces of the central axis of the second rotating shaft.

In this embodiment, the lower end of the crushing box 21 is fixedly connected with the upper end of the conical cylinder 17, the lower end of the conical cylinder 17 is fixedly connected with the upper end of the discharging cylinder 14, the conical cylinder 17 and the discharging cylinder 14 share the central axis with the second rotating shaft 23, the diameter of the upper end of the conical cylinder 17 is larger than that of the lower end of the conical cylinder, the crushing cylinder 22 is fixed on the inner wall of the crushing box 21, the crushing roller 20 is arranged inside the crushing cylinder 22, and the crushing cylinder 22 and the crushing roller 20 share the central axis with the second rotating shaft 23.

In this embodiment, the inner wall of the crushing cylinder 22 is of a conical structure, the diameter of the upper port is smaller than that of the lower port, the outer side wall of the crushing roller 20 is of a conical structure, the diameter of the upper port is smaller than that of the lower port, a gap is left between the inner wall of the crushing cylinder 22 and the outer side wall of the crushing roller 20, and the width of the gap is sequentially reduced from top to bottom.

In this embodiment, the compacting mechanism is including fixing the second 32 of cantilever on smashing case 21 periphery wall, the dead axle rotates on the second 32 of cantilever to be connected with the third 30 of pivot that vertical direction set up, the upper end of the third 30 of pivot is passed through band pulley assembly and is connected with the transmission of the second 23 of pivot, the lower extreme fixed connection U-shaped pole 11's of the third 30 of pivot one end, and the opening of U-shaped pole 11 is towards the horizontal direction, the other end and the feeding mechanism transmission of U-shaped pole 11 are connected, the middle part of U-shaped pole 11 cup joints and the dead axle rotates and is connected with axle sleeve two 39, perpendicular and fixed connection connecting rod 44 on the lateral wall of.

In this embodiment, a third support 40 is fixed on the outer side wall of the discharge barrel 14, a third rotating shaft 41 is rotatably connected to the third support 40 through a fixed shaft, a first gear 42 and a second gear 43 are fixed on the third rotating shaft 41, a first guide sleeve 37 is fixed on the third support 40, a rack 38 is slidably connected to the first guide sleeve 37, the rack 38 is engaged and connected with the upper end of the first gear 42, the rack 38 is hinged to one end, away from the second shaft sleeve 39, of a connecting rod 44, two guide sleeves 13 are fixed on the outer side wall of the discharge barrel 14, the upper side and the lower side of the third support 40 are respectively fixed on the upper side and the lower side, two upper and lower sides of the second guide sleeve 13 are respectively inserted and slidably connected with a second toothed plate 12 and a first toothed plate 8, and the upper and lower ends of the.

In this embodiment, the compacting mechanism further includes a reciprocating screw rod 36 fixed at the center of the bottom surface of the crushing roller 20, a sliding sleeve 35 is sleeved and slidably connected to the outer side wall of the reciprocating screw rod 36, a column casing 18 is fixed to the lower end of the sliding sleeve 35, a frustum 16 is fixed to the lower end of the column casing 18, a pressing block 15 is fixed to the lower end of the frustum 16, the pressing block 15 is slidably connected to the discharging casing 14, a lantern ring 34 is fixedly connected to the inner side wall of the cone casing 17 through a supporting rod 19, and the column casing 18 is inserted into the lantern ring 34 and can only move up and down in the lantern ring 34.

In this embodiment, feeding mechanism includes the conveying frame 3 that the level set up, and conveying frame 3 fixes on base 1 through support one 2, and the equal dead axle in both ends of conveying frame 3 rotates and is connected with gyro wheel 7, two gyro wheel 7 passes through 4 transmission connections of conveyer belt, and coaxial fixed connection turbine 6 on the gyro wheel 7 is fixed with cantilever one 9 on the two 33 supports, and the dead axle rotates on cantilever one 9 to be connected with vertical upwards to be provided with pivot one 10, and the one end of pivot three 30 is kept away from to the upper end fixed connection U-shaped pole 11 of pivot one 10, and the lower extreme fixed connection worm 5 of pivot one 10, worm 5 are connected with the meshing of turbine 6.

The use method and the advantages of the invention are as follows: this automatic preprocessing device of rubbish that environmental protection engineering used when rubbish carries out broken handle, the working process as follows:

the method comprises the following steps: as shown in fig. 1, 2 and 4, the motor 27 is started to operate, the motor 27 drives the second rotating shaft 23 to rotate after operating, so that the second rotating shaft 23 drives each crushing rod 31 to rotate, the garbage to be crushed is thrown into the feeding barrel 29 from the feeding hopper 24, the garbage is crushed under the impact of the crushing rods 31, the crushing rods 31 are rotated around the connection part of the crushing rods 31 and the second rotating shaft 23 due to the centrifugal force and the impact force of the crushing rods 31 on the rotating process around the second rotating shaft 23, so that the garbage is better crushed, and the crushed garbage is changed into small blocks from large blocks, so that the crushing rollers 20 and the crushing barrel 22 are prevented from being blocked by large garbage blocks, the garbage can be smoothly fed into the gaps between the crushing rollers 20 and the crushing barrel 22 to be further crushed, and the crushing effect and efficiency of the garbage are improved;

as above, the garbage is broken into small pieces by the feeding cylinder 29 and then enters the gap between the crushing roller 20 and the crushing cylinder 22, and the rotation of the second rotating shaft 23 synchronously drives the crushing roller 20 to rotate, so that the garbage is further crushed by the action of the crushing roller 20 and the crushing cylinder 22, the head of the garbage is smaller and smaller, and the garbage gradually rolls to the narrow gap between the crushing roller 20 and the crushing cylinder 22 under the action of self weight, so that the garbage is gradually crushed, the crushing difficulty is reduced, and the crushing efficiency and the effect are improved;

step two: as shown in the first step, after the crushing roller 20 and the crushing cylinder 22 crush the garbage, the crushed garbage enters the cone cylinder 17, and the rotation of the crushing roller 20 synchronously drives the reciprocating screw rod 36 to rotate, as shown in fig. 1, 2 and 3, so that the reciprocating screw rod 36 drives the sliding sleeve 35 to move up and down, further the sliding sleeve 35 synchronously drives the frustum 15 and the pressing block 15 to move up and down through the cylinder 18, the garbage falling in the cone cylinder 17 is downwardly gathered in the discharge cylinder 14 along the inner side wall of the cone cylinder 17, the up and down movement of the pressing block 15 causes the garbage in the discharge cylinder 14 to be pressed into blocks so as to be cut into blocks, and the frustum 16 functions to prevent the garbage from being stuck at the connection between the pressing block 15 and the cylinder 18 by using the conical surface of the frustum 16;

as described above, the rotation of the second rotating shaft 23 drives the third rotating shaft 30 to rotate through the pulley assembly 28, so that the third rotating shaft 30 synchronously drives the U-shaped rod 11 to rotate, as shown in fig. 1, fig. 2 and fig. 5, the rotation of the U-shaped rod 11 applies a pulling force or a pushing force to the rack 38 through the second shaft sleeve 39 and the connecting rod 44, so that the rack 38 moves left and right on the first guide sleeve 37, when the rack 38 moves right, the third rotating shaft 41 and the second gear 43 are driven by the first gear 42 to rotate clockwise, so that the second gear 43 synchronously drives the first toothed plate 8 to move left and the second toothed plate 12 to move right, so that the garbage crushed in the discharging barrel 14 moves downward under the pressure of the pressing block 15 and falls on the first toothed plate 8, when the rack 38 moves left, the third rotating shaft 41 and the second gear 43 are driven by the first gear 42 to rotate counterclockwise, so that the second gear 43 synchronously drives the second toothed plate 12 to move left to block the garbage in the discharging, meanwhile, the toothed plate I8 moves to the right, and the garbage cut on the toothed plate I8 falls on the feeding mechanism from the lower end of the discharging barrel 14 so as to be output by the feeding mechanism, so that the crushed garbage is compacted and cut, the crushed garbage is prevented from being loose and cannot be diffused, the crushed garbage is convenient to collect and transport, time and labor are saved, and the working efficiency is improved;

step three: as shown in fig. 1 and 2, the rotation of the U-shaped rod 11 synchronously drives the first rotating shaft 10 to rotate, and as shown in fig. 1 and 2, the rotation of the first rotating shaft 10 synchronously drives the worm 5 to rotate, so that the worm 5 drives the corresponding roller 7 to rotate through the turbine 6, the roller 7 synchronously drives the conveyor belt 4 to operate, and the massive garbage output from the discharge barrel 14 is output, so that the transportation is facilitated, the space is saved, and the transportation efficiency is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (10)

1. The utility model provides an automatic preprocessing device of rubbish that environmental protection engineering used, is including being used for carrying out crushing treatment's crushing case (21) to rubbish, its characterized in that: the garbage crushing device is characterized in that the crushing box (21) is fixed at the upper end of a second support (33), the second support (33) is fixed on the base (1), a crushing mechanism is arranged on the crushing box (21) and used for crushing garbage, a compacting mechanism is arranged at the bottom of the crushing box (21) and in transmission connection with the crushing mechanism and used for briquetting the garbage crushed by the crushing mechanism, a feeding mechanism is arranged on the base (1) and in transmission connection with the compacting mechanism, and the feeding mechanism is used for outputting the briquetted garbage.

2. The automatic pretreatment device of garbage for environmental engineering according to claim 1, characterized in that: the crushing mechanism comprises a feeding cylinder (29) fixed on the upper surface of the crushing box (21), and a frame plate (26) is fixed on the upper end surface of the feeding cylinder (29).

3. The automatic pretreatment device of garbage for environmental engineering according to claim 2, characterized in that: the utility model discloses a crushing machine, including frame plate (26), feeding cylinder (29), motor (27), the inside of feeding cylinder (29) is provided with pivot two (23), the upper end and the motor (27) transmission of pivot two (23) are connected, pivot two (23) are connected with the compaction mechanism transmission, pivot two (23) and feeding cylinder (29) sharing the central axis, fixed and the intercommunication has feeder hopper (24) on the lateral wall of feeding cylinder (29), the lower port and the crushing case (21) of feeding cylinder (29) are linked together, the roof of feeding cylinder (29) is run through and fixed connection axle sleeve one (25), pivot two (23) pass axle sleeve one (25) and can be at axle sleeve one (25) internal fixation axle rotation, pivot two (23) are located and are provided with a plurality of crushing poles (31) on the inside one section periphery wall of feeding cylinder (29), crushing pole (31) fixation axle rotation is connected on the lateral wall of pivot two (23), the rotating axis of the crushing rod (31) is vertical to the different surface of the central axis of the second rotating shaft (23); the upper end of the lower extreme fixed connection awl section of thick bamboo (17) of smashing case (21), the lower extreme fixed connection of awl section of thick bamboo (17) goes out the upper end of feed cylinder (14), awl section of thick bamboo (17) and feed cylinder (14) all with two (23) sharing central axes of pivot, and the upper end diameter of awl section of thick bamboo (17) is greater than its lower extreme diameter, be fixed with crushing section of thick bamboo (22) on the inner wall of smashing case (21), the inside of crushing section of thick bamboo (22) is provided with crushing roller (20), crushing section of thick bamboo (22) and crushing roller (20) all with two (23) sharing central axes of pivot.

4. The automatic pretreatment device of garbage for environmental engineering according to claim 3, characterized in that: the inner wall of the crushing barrel (22) is of a conical surface structure, the diameter of the upper port is smaller than that of the lower port, the outer side wall of the crushing roller (20) is of a conical surface structure, and the diameter of the upper port is smaller than that of the lower port.

5. The automatic pretreatment device of garbage for environmental engineering according to claim 4, wherein: a gap is reserved between the inner wall of the crushing barrel (22) and the outer side wall of the crushing roller (20), and the width of the gap is gradually reduced from top to bottom.

6. The automatic pretreatment device of garbage for environmental engineering according to claim 4, wherein: the compacting mechanism comprises a cantilever II (32) fixed on the peripheral wall of the crushing box (21), a fixed shaft on the cantilever II (32) is rotatably connected with a rotating shaft III (30) arranged in the vertical direction, the upper end of the rotating shaft III (30) is in transmission connection with a rotating shaft II (23) through a belt pulley component, the lower end of the rotating shaft III (30) is fixedly connected with one end of a U-shaped rod (11), the opening of the U-shaped rod (11) faces the horizontal direction, the other end of the U-shaped rod (11) is in transmission connection with a feeding mechanism, the middle of the U-shaped rod (11) is sleeved and rotatably connected with a shaft sleeve II (39) in a fixed mode, the outer side wall of the shaft sleeve II (39) is vertically and fixedly connected with a connecting rod (44), a support III (40) is fixed on the outer side wall of the discharge barrel (14), a fixed shaft III (41) is rotatably connected with a rotating shaft on the support III (40), and a gear I (42) and a, be fixed with uide bushing (37) on support three (40), sliding connection has rack (38) on uide bushing (37), rack (38) are connected with the upper end meshing of gear (42), rack (38) and connecting rod (44) keep away from the one end of axle sleeve two (39) articulated, the upper and lower both sides that lie in support three (40) on the lateral wall of play feed cylinder (14) all are fixed with uide bushing two (13), and two from top to bottom peg graft respectively in uide bushing two (13) and sliding connection has pinion rack two (12) and pinion rack one (8).

7. The automatic pretreatment device of garbage for environmental engineering according to claim 6, wherein: the upper end and the lower end of the second gear (43) are respectively in meshed connection with the second toothed plate (12) and the first toothed plate (8).

8. The automatic pretreatment device of garbage for environmental engineering according to claim 4, wherein: the compacting mechanism is still including fixing reciprocating lead screw (36) at crushing roller (20) bottom surface center, cup joint and sliding connection have sliding sleeve (35) on the lateral wall of reciprocating lead screw (36), the lower extreme of sliding sleeve (35) is fixed with column casing (18), the lower extreme of column casing 18 is fixed with frustum (16), the lower extreme of frustum (16) is fixed with briquetting (15), and briquetting (15) slidable connection is in ejection of compact section of thick bamboo (14), through branch (19) fixed connection lantern ring (34) on the inside wall of cone section of thick bamboo (17), peg graft in lantern ring (34) and only can reciprocate in lantern ring (34) column (18).

9. The automatic pretreatment device of garbage for environmental engineering according to claim 6, wherein: feeding mechanism includes conveying frame (3) that the level set up, conveying frame (3) are fixed on base (1) through support (2), the equal dead axle in both ends of conveying frame (3) rotates and is connected with gyro wheel (7), two gyro wheel (7) are connected through conveyer belt (4) transmission, coaxial fixed connection turbine (6) are gone up in gyro wheel (7), be fixed with cantilever (9) on two (33) of support, dead axle rotates on cantilever (9) and is connected with vertical ascending pivot (10) that is provided with, the one end of three (30) of pivot is kept away from in upper end fixed connection U-shaped pole (11) of pivot (10), lower extreme fixed connection worm (5) of pivot (10), worm (5) are connected with turbine (6) meshing.

10. The use method of the automatic garbage pretreatment device for environmental protection engineering according to any one of claims 4 to 9, characterized in that: the method comprises the following steps:

the method comprises the following steps: carrying out secondary crushing treatment on the garbage through a crushing mechanism, and automatically feeding the crushed garbage into a compaction mechanism;

step two: the crushing mechanism drives the compacting mechanism to compact and cut the crushed garbage into blocks, and then the blocks are conveyed into the feeding mechanism;

step three: the compacting mechanism drives the feeding mechanism to work so as to output the cut garbage.

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