CN212418596U - Drum screen capable of performing fine crushing treatment in building decoration garbage treatment - Google Patents

Abstract

The utility model provides a can carry out tiny broken handle's drum sieve among building decoration refuse treatment, includes main platform, drum sieve drive arrangement, spacing roller components, outer housing and cylinder, the cylinder comprises the cylinder body of a set of cylinder, the cylinder body of a set of cylinder connects gradually through the bolt, be equipped with a set of sieve mesh unit on the cylinder body, a set of sieve mesh unit sets up on the cylinder body with annular array's mode to a set of sieve mesh unit all contains a plurality of sieve meshes, be equipped with a set of broken sword on the inner wall of cylinder body. The drum screen capable of performing fine crushing treatment in the building decoration garbage treatment of the utility model can crush the building garbage mixed with the plastic bag by arranging a plurality of crushing knives on the inner wall of the drum, thereby improving the screening effect; through the drum screen driving device, the drum can be stably driven, so that the continuous rotation is realized, and the operation is stable and reliable.

Description

Drum screen capable of performing fine crushing treatment in building decoration garbage treatment

Technical Field

The utility model belongs to the technical field of the drum sieve, specifically, relate to a drum sieve that can carry out tiny broken handle among the building decoration refuse treatment.

Background

The construction and decoration garbage refers to a general name of dregs, waste concrete, waste bricks and stones and other wastes generated in the production activities of people in the construction industry such as demolition, construction, decoration, repair and the like. The construction waste can be classified into engineering residue soil, decoration waste, demolition waste, engineering slurry and the like according to the production source; the construction waste can be classified into slag, concrete blocks, broken stone blocks, broken bricks and tiles, waste mortar, slurry, asphalt blocks, waste plastics, waste metals, waste bamboo and wood and the like according to the composition.

When the construction waste is treated, the drum screen is an important device for screening the construction materials. The working principle of the roller screening machine is that the roller device is obliquely arranged on the frame. The motor is connected with the roller device through the speed reducer and the shaft coupling, and drives the roller device to rotate around the axis of the roller device. After the materials enter the roller device, the materials on the screen surface are overturned and rolled due to the inclination and rotation of the roller device, so that the qualified materials (undersize products) are discharged through a discharge hole at the bottom of the rear end of the roller, and the unqualified materials (oversize products) are discharged through a discharge hole at the tail part of the roller. Because the material is upset, the roll in the cylinder, make the material of card in the sieve mesh can be popped out, prevent that the sieve mesh from blockking up.

However, in the prior art, during the operation of the drum screen, the phenomena of low material flow rate and incomplete bag breaking may occur, which wastes a lot of manpower and material resources, and causes the phenomena of low working efficiency and excessively high manufacturing and maintenance costs.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a can carry out tiny broken handle's drum sieve among the building decoration refuse treatment, when having solved among the prior art drum sieve and having sieved, can not carry out broken screening's problem to the sack.

The technical scheme is as follows: the utility model provides a drum sieve capable of carrying out fine crushing treatment in the treatment of building decoration garbage, which comprises a main platform, a drum sieve driving device, a limiting roller wheel component, an outer casing and a drum, wherein the outer casing is fixedly arranged on the main platform, the drum is arranged in the outer casing, the drum sieve driving device is arranged on the main platform, the drum sieve driving device is connected with the drum, the drum sieve driving device can drive the drum to rotate, the limiting roller wheel component is arranged on the main platform, the limiting roller wheel component is attached to one end of the drum, the drum is composed of a group of cylindrical drum bodies, the group of cylindrical drum bodies are sequentially connected through bolts, a group of sieve pore units are arranged on the drum bodies, the group of sieve pore units are arranged on the drum bodies in an annular array manner, and the group of sieve pore units all comprise a plurality of sieve pores, and a group of crushing knives are arranged on the inner wall of the roller body.

Furthermore, the drum screen can be used for fine crushing treatment in the building decoration garbage treatment, and the group of crushing knives is arranged in an annular array mode or the group of crushing knives is spirally arranged.

Furthermore, the drum sieve capable of performing fine crushing treatment in the building decoration garbage treatment is characterized in that one end of the main platform is provided with a first step ladder and a second step ladder, the first step ladder and the second step ladder are symmetrically arranged, and the first step ladder and the second step ladder are respectively positioned on two sides of the outer housing.

Further, the drum sieve that can carry out tiny broken handle among the aforesaid building decoration refuse treatment, be equipped with on the main platform and overhaul platform one, overhaul platform two and overhaul platform three, overhaul platform one, overhaul platform two and overhaul platform three and constitute U type structure, overhaul platform one and set up the one end that is close to step ladder one and step ladder two at the main platform, overhaul platform two and overhaul platform trisymmetry setting to overhaul platform two and overhaul platform three and establish the both sides at the housing, overhaul platform one, overhaul platform two and overhaul platform three and keep away from the outside edge of housing and all be equipped with the guardrail.

Further, the drum screen capable of performing fine crushing treatment in the building decoration garbage treatment comprises a drum screen driving motor, a speed reducer, a main shaft, a first coupling, a second coupling, a first driving shaft, a second driving shaft, a third coupling, a fourth coupling, a first driving friction wheel and a second driving friction wheel, wherein the drum screen driving motor is connected with the speed reducer, the speed reducer is connected with the main shaft, the first coupling and the second coupling are respectively connected with two ends of the main shaft, the first driving shaft is connected with the main shaft through the first coupling, the second driving shaft is connected with the main shaft through the third coupling, the first driving friction wheel is connected with the first driving shaft through the third coupling, the second driving friction wheel is connected with the second driving shaft through the fourth coupling, the drum screen driving motor and the speed reducer are located at the middle position of the drum, the first driving friction wheel and the second driving friction wheel are respectively located at two ends of the drum, and the first driving friction wheel and the second driving friction wheel are attached to the outer wall of the roller.

Furthermore, the drum screen capable of performing fine crushing treatment in the building decoration garbage treatment is characterized in that a first driven friction wheel is arranged at the end part of the main platform, which is on the same side as the first driving friction wheel, the first driven friction wheel and the first driving friction wheel are symmetrically arranged, and the first driven friction wheel is attached to the outer wall of the drum; and a driven friction wheel II is arranged on the end part of the main platform, which is positioned at the same side as the driving friction wheel II, is symmetrically arranged with the driving friction wheel II, and is attached to the outer wall of the roller.

Furthermore, the drum screen can be used for fine crushing treatment in the treatment of the building decoration garbage, the limiting roller component comprises a limiting wheel fixing seat, a rotating shaft fixing seat, a limiting wheel rotating shaft, a bearing I, a bearing II, a limiting wheel body, a gland and a group of limiting wheel position adjusting devices, the limiting wheel fixing seat is fixedly arranged on the main platform, the rotating shaft fixing seat is arranged on the upper end surface of the limiting wheel fixing seat, the limiting wheel fixing seat is connected with the rotating shaft fixing seat through a bolt, the limiting wheel rotating shaft is fixedly arranged on the rotating shaft fixing seat, the first bearing and the second bearing are sleeved on the limiting wheel rotating shaft, the limiting wheel body is connected with the limiting wheel rotating shaft through the first bearing and the second bearing, the gland is locked on the limiting wheel body through a bolt, and the set of limiting wheel position adjusting device is arranged between the limiting wheel fixing seat and the rotating shaft fixing seat.

Furthermore, the drum screen can be used for fine crushing treatment in the treatment of the building decoration garbage, the position adjusting device of the limiting wheel comprises a hinged fixing seat, a stud, a locking bolt I, a locking bolt II, a ball head and a connecting pin shaft, a fixed supporting plate is arranged on the upper end surface of the limiting wheel fixing seat, a group of through holes are arranged on the fixed supporting plate, the stud can pass through the through hole, the hinged fixing seat is fixedly arranged on the rotating shaft fixing seat, the connecting pin shaft is arranged on the hinged fixing seat, the ball head is fixedly arranged at one end of the stud, the ball head is sleeved on the connecting pin shaft, the stud is locked on the fixed supporting plate through a locking bolt I and a locking bolt II, and the first locking bolt and the second locking bolt are arranged on two sides of the fixed supporting plate, a group of waist-shaped holes are formed in the bottom plate at the lower end of the rotating shaft fixing seat, and the connecting bolt between the limiting wheel fixing seat and the rotating shaft fixing seat can penetrate through the waist-shaped holes.

Further, the drum sieve for fine crushing treatment in the building decoration garbage treatment is characterized in that the drum is obliquely arranged, and the included angle between the axis of the drum and the horizontal plane is 6 degrees.

Furthermore, the drum screen can be used for fine crushing treatment in the building decoration garbage treatment, and a feed inlet and a discharge outlet are formed in the drum.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the drum screen capable of performing fine crushing treatment in the building decoration garbage treatment of the utility model can crush the building garbage mixed with the plastic bag by arranging a plurality of crushing knives on the inner wall of the drum, thereby improving the screening effect; through the drum screen driving device, the drum can be stably driven, so that the continuous rotation is realized, and the operation is stable and reliable.

Drawings

FIG. 1 is a front view of a drum screen for fine crushing in the garbage disposal of building decoration according to the present invention;

FIG. 2 is a top view of the drum screen for fine crushing in the garbage disposal of building decoration according to the present invention;

FIG. 3 is a right side view of the drum screen for fine crushing in the garbage disposal of building decoration according to the present invention;

FIG. 4 is a schematic structural diagram I of a drum screen capable of performing fine crushing treatment in the treatment of building decoration garbage according to the present invention;

FIG. 5 is a schematic structural view of a drum screen capable of performing fine crushing treatment in the treatment of building decoration garbage according to the present invention;

fig. 6 is a front view of the drum screen driving device according to the present invention;

fig. 7 is a top view of the trommel driving device of the present invention;

fig. 8 is a schematic structural diagram of the position adjusting device for the limiting wheel according to the present invention;

fig. 9 is a schematic structural view of the position adjustment device for the limit wheel of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The drum screen capable of performing fine crushing treatment in the building decoration garbage treatment as shown in fig. 1-5 comprises a main platform 1, a drum screen driving device 2, a limiting roller assembly 3, an outer casing 4 and a drum 5, wherein the outer casing 4 is fixedly arranged on the main platform 1, the drum 5 is arranged in the outer casing 4, the drum screen driving device 2 is arranged on the main platform 1, the drum screen driving device 2 is connected with the drum 5, the drum screen driving device 2 can drive the drum 5 to rotate, the limiting roller assembly 3 is arranged on the main platform 1, the limiting roller assembly 3 is attached to one end of the drum 5, the drum 5 is composed of a set of cylindrical drum bodies 51, the set of cylindrical drum bodies 51 are sequentially connected through bolts, a set of screen hole units 52 are arranged on the drum bodies 51, the set of screen hole units 52 are arranged on the drum bodies 51 in an annular array manner, and a group of sieve pore units 52 comprises a plurality of sieve pores 53, and a group of crushing knives 54 are arranged on the inner wall of the roller body 51. And, the set of crushing blades 54 is arranged in an annular array or the set of crushing blades 54 is spirally arranged. The drum 5 is arranged obliquely and the angle between the axis of the drum 5 and the horizontal is 6 deg.. And a feed inlet and a discharge outlet are arranged on the roller 5.

In order to facilitate checking and overhauling of the drum screen, one end of the main platform 1 is provided with a first step 11 and a second step 12, the first step 11 and the second step 12 are symmetrically arranged, and the first step 11 and the second step 12 are respectively located on two sides of the outer casing 4. Be equipped with on main platform 1 and overhaul first 13, overhaul second 14 of platform and overhaul third 15 of platform, overhaul first 13 of platform, overhaul second 14 of platform and overhaul three 15 of platform and constitute U type structure, overhaul first 13 of platform and set up the one end that is close to step ladder 11 and step ladder two 12 at main platform 1, overhaul second 14 of platform and overhaul three 15 symmetry settings of platform to overhaul second 14 of platform and overhaul three 15 of platform and establish the both sides at encloser 4 respectively, the outside edge that keeps away from encloser 4 of overhauling first 13 of platform, overhaul second 14 of platform and overhaul three 15 of platform all is equipped with guardrail 16.

Example two

The trommel driving device 2 shown in fig. 6 and 7 comprises a trommel driving motor 21, a speed reducer 22, a main shaft 23, a first coupling 24, a second coupling 25, a first driving shaft 26, a second driving shaft 27, a third coupling 28, a fourth coupling 29, a first driving friction wheel 210 and a second driving friction wheel 211, wherein the trommel driving motor 21 is connected with the speed reducer 22, the speed reducer 22 is connected with the main shaft 23, the first coupling 24 and the second coupling 25 are respectively connected with two ends of the main shaft 23, the first driving shaft 26 is connected with the main shaft 23 through the first coupling 24, the second driving shaft 27 is connected with the main shaft 23 through the third coupling 28, the first driving friction wheel 210 is connected with the first driving shaft 26 through the third coupling 28, the second driving friction wheel 211 is connected with the second driving shaft 27 through the fourth coupling 29, the trommel driving motor 21 and the speed reducer 22 are positioned at the middle position of the roller 5, the first driving friction wheel 210 and the second driving friction wheel 211 are respectively located at two ends of the roller 5, and the first driving friction wheel 210 and the second driving friction wheel 211 are attached to the outer wall of the roller 5.

In addition, a first driven friction wheel 212 is arranged at the end part of the main platform 1 on the same side as the first driving friction wheel 210, the first driven friction wheel 212 and the first driving friction wheel 210 are symmetrically arranged, and the first driven friction wheel 212 is attached to the outer wall of the roller 5; the end part of the main platform 1, which is provided with the driving friction wheel II 211 at the same side, is provided with a driven friction wheel II 213, the driven friction wheel II 213 and the driving friction wheel II 211 are symmetrically arranged, and the driven friction wheel II 213 is attached to the outer wall of the roller 5.

EXAMPLE III

As shown in fig. 8 and 9, the limiting roller assembly 3 includes a limiting wheel fixing seat 31, a rotating shaft fixing seat 32, a limiting wheel rotating shaft 33, a first bearing 34, a second bearing 35, a limiting wheel body 36, a gland 37 and a set of limiting wheel position adjusting devices 38, the limiting wheel fixing seat 31 is fixedly arranged on the main platform 1, the rotating shaft fixing seat 32 is arranged on the upper end surface of the limiting wheel fixing seat 31, the limit wheel fixing seat 31 is connected with the rotating shaft fixing seat 32 through a bolt, the limit wheel rotating shaft 33 is fixedly arranged on the rotating shaft fixing seat 32, the first bearing 34 and the second bearing 35 are sleeved on the limiting wheel rotating shaft 33, the limiting wheel body 36 is connected with the limiting wheel rotating shaft 33 through the first bearing 34 and the second bearing 35, the gland 37 is locked on the limiting wheel body 36 through bolts, and the set of limiting wheel position adjusting device 38 is arranged between the limiting wheel fixing seat 31 and the rotating shaft fixing seat 32.

Wherein, the position adjusting device 38 of the limit wheel comprises a hinged fixing seat 381, a stud 382, a first locking bolt 383, a second locking bolt 384, a ball 385 and a connecting pin shaft 386, a fixing support plate 311 is arranged on the upper end surface of the fixing seat 31 of the limit wheel, a set of through holes 312 are arranged on the fixing support plate 311, the stud 382 can pass through the through hole 312, the hinged fixing seat 381 is fixedly arranged on the rotating shaft fixing seat 32, the connecting pin shaft 386 is arranged on the hinged fixing seat 381, the ball 385 is fixedly arranged at one end of the stud 382, the ball 385 is sleeved on the connecting pin shaft 386, the stud 382 is locked on the fixing support plate 311 through the first locking bolt 383 and the second locking bolt 384, the first locking bolt 383 and the second locking bolt 384 are respectively arranged at two sides of the fixing support plate 311, a set of kidney-shaped holes 321 is arranged on the bottom, the connecting bolt between the limiting wheel fixing seat 31 and the rotating shaft fixing seat 32 can pass through the waist-shaped hole 321.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a can carry out tiny broken handle's drum sieve among building decoration refuse treatment which characterized in that: the screening device comprises a main platform (1), a drum screen driving device (2), a limiting roller wheel assembly (3), an outer casing (4) and a drum (5), wherein the outer casing (4) is fixedly arranged on the main platform (1), the drum (5) is arranged in the outer casing (4), the drum screen driving device (2) is arranged on the main platform (1), the drum screen driving device (2) is connected with the drum (5), the drum screen driving device (2) can drive the drum (5) to rotate, the limiting roller wheel assembly (3) is arranged on the main platform (1), the limiting roller wheel assembly (3) is attached to one end of the drum (5), the drum (5) is composed of a group of cylindrical drum bodies (51), the group of cylindrical drum bodies (51) are sequentially connected through bolts, and a group of screen hole units (52) are arranged on the drum body (51), the group of sieve pore units (52) are arranged on the roller body (51) in an annular array mode, each group of sieve pore units (52) comprises a plurality of sieve pores (53), and a group of crushing knives (54) are arranged on the inner wall of the roller body (51).

2. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 1, which is characterized in that: the crushing knives (54) are arranged in an annular array or the crushing knives (54) are arranged in a spiral shape.

3. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 1, which is characterized in that: one end of the main platform (1) is provided with a first step ladder (11) and a second step ladder (12), the first step ladder (11) and the second step ladder (12) are symmetrically arranged, and the first step ladder (11) and the second step ladder (12) are respectively positioned on two sides of the outer casing (4).

4. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 3, which is characterized in that: be equipped with on main platform (1) and overhaul platform (13), overhaul platform two (14) and overhaul platform three (15), overhaul platform one (13), overhaul platform two (14) and overhaul platform three (15) and constitute U type structure, overhaul platform one (13) and set up the one end that is close to step ladder one (11) and step ladder two (12) in main platform (1), overhaul platform two (14) and overhaul platform three (15) symmetry and set up to overhaul platform two (14) and overhaul platform three (15) and divide the both sides of establishing in outer housing (4), the outside edge that keeps away from outer housing (4) of overhaul platform one (13), overhaul platform two (14) and overhaul platform three (15) all is equipped with guardrail (16).

5. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 1, which is characterized in that: the drum screen driving device (2) comprises a drum screen driving motor (21), a speed reducer (22), a main shaft (23), a first coupling (24), a second coupling (25), a first driving shaft (26), a second driving shaft (27), a third coupling (28), a fourth coupling (29), a first driving friction wheel (210) and a second driving friction wheel (211), wherein the drum screen driving motor (21) is connected with the speed reducer (22), the speed reducer (22) is connected with the main shaft (23), the first coupling (24) and the second coupling (25) are respectively connected with two ends of the main shaft (23), the first driving shaft (26) is connected with the main shaft (23) through the first coupling (24), the second driving shaft (27) is connected with the main shaft (23) through the third coupling (28), the first driving friction wheel (210) is connected with the first driving shaft (26) through the third coupling (28), the driving friction wheel II (211) is connected with the driving shaft II (27) through a coupling IV (29), the drum screen driving motor (21) and the speed reducer (22) are located in the middle of the roller (5), the driving friction wheel I (210) and the driving friction wheel II (211) are located at two ends of the roller (5) respectively, and the driving friction wheel I (210) and the driving friction wheel II (211) are attached to the outer wall of the roller (5).

6. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 5, which is characterized in that: a first driven friction wheel (212) is arranged at the end part of the main platform (1) on the same side as the first driving friction wheel (210), the first driven friction wheel (212) and the first driving friction wheel (210) are symmetrically arranged, and the first driven friction wheel (212) is attached to the outer wall of the roller (5); the end part of the main platform (1) on the same side as the driving friction wheel II (211) is provided with a driven friction wheel II (213), the driven friction wheel II (213) and the driving friction wheel II (211) are symmetrically arranged, and the driven friction wheel II (213) is attached to the outer wall of the roller (5).

7. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 1, which is characterized in that: the limiting roller assembly (3) comprises a limiting wheel fixing seat (31), a rotating shaft fixing seat (32), a limiting wheel rotating shaft (33), a first bearing (34), a second bearing (35), a limiting wheel body (36), a gland (37) and a group of limiting wheel position adjusting devices (38), wherein the limiting wheel fixing seat (31) is fixedly arranged on the main platform (1), the rotating shaft fixing seat (32) is arranged on the upper end surface of the limiting wheel fixing seat (31), the limiting wheel fixing seat (31) is connected with the rotating shaft fixing seat (32) through bolts, the limiting wheel rotating shaft (33) is fixedly arranged on the rotating shaft fixing seat (32), the first bearing (34) and the second bearing (35) are sleeved on the limiting wheel rotating shaft (33), the limiting wheel body (36) is connected with the limiting wheel rotating shaft (33) through the first bearing (34) and the second bearing (35), and the gland (37) is locked on the limiting wheel body (36) through bolts, the group of limiting wheel position adjusting devices (38) are arranged between the limiting wheel fixing seats (31) and the rotating shaft fixing seats (32).

8. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 7, which is characterized in that: the limiting wheel position adjusting device (38) comprises a hinged fixing seat (381), a stud (382), a first locking bolt (383), a second locking bolt (384), a ball head (385) and a connecting pin shaft (386), a fixing support plate (311) is arranged on the upper end face of the limiting wheel fixing seat (31), a group of through holes (312) are formed in the fixing support plate (311), the stud (382) can pass through the through holes (312), the hinged fixing seat (381) is fixedly arranged on a rotating shaft fixing seat (32), the connecting pin shaft (386) is arranged on the hinged fixing seat (381), the ball head (385) is fixedly arranged at one end of the stud (382), the ball head (385) is sleeved on the connecting pin shaft (386), the stud (382) is locked on the fixing support plate (311) through the first locking bolt (383) and the second locking bolt (384), and the first locking bolt (383) and the second locking bolt (384) are respectively arranged on two sides of the fixing support plate (311), the bottom plate of pivot fixing base (32) lower extreme is equipped with a set of waist type hole (321), connecting bolt between spacing wheel fixing base (31) and pivot fixing base (32) can pass waist type hole (321).

9. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 1, which is characterized in that: the roller (5) is obliquely arranged, and the included angle between the axis of the roller (5) and the horizontal plane is 6 degrees.

10. The drum screen capable of performing fine crushing treatment in the treatment of the building decoration garbage according to claim 1, which is characterized in that: and a feed inlet and a discharge outlet are arranged on the roller (5).

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