CN213443487U - Building decoration garbage bag breaking machine - Google Patents

Abstract

The building decoration garbage bag breaking machine comprises a main platform, a crushing roller driving device, two roller limiting roller assemblies symmetrically arranged, a crushing roller and a bag breaking assembly; the bag breaking assembly comprises a first rotating shaft supporting seat, a second rotating shaft supporting seat, a breaking rotating shaft, a set of breaking turnplates and a breaking speed reduction motor, a set of breaking knives are fixedly connected to the outer wall of the breaking rotating shaft through bolts, and the rotating speed of the breaking rotating shaft is greater than that of the breaking roller. Building decoration rubbish bag-breaking machine, operation process only need put into crushing drum with the rubbish in bags among the building decoration rubbish, through the rotatory broken sword different with the crushing drum rotational speed, can carry out the many times cutting of rubbish in bags to can guarantee that the disposal bag is cut open, the later stage of being convenient for carries out the screening and the processing of building decoration rubbish, need not to tear open the bag in advance, realize building decoration rubbish centralized processing, convenient to use improves production efficiency.

Description

Building decoration garbage bag breaking machine

Technical Field

The utility model belongs to the technical field of solid waste handles and utilizes multipurposely, specificly, relates to building decoration rubbish bag-breaking machine.

Background

The building decoration garbage mainly comprises waste concrete blocks, broken bricks and stones, waste metal, waste wood blocks, waste plastics and the like. Along with the acceleration of the industrialization and urbanization process of China, the amount of the generated building decoration garbage is increased day by day, at present, China is the country with the largest urban construction scale in the world, and the urban output garbage of China is estimated to be about 60 hundred million t every year, wherein the bagged building decoration garbage is about 24 hundred million t and accounts for 40 percent of the total amount of the urban garbage. Every ten thousand tons of building decoration garbage occupy 1 mu of land of a landfill, so that the utilization efficiency of land resources is greatly reduced, and the ecological environment is obviously influenced.

At present, the building decoration garbage firstly needs to be manually disassembled into garbage bags or the garbage bags are cut by a cutter and then subjected to garbage disposal, and four modes are roughly adopted: the method comprises the steps of illegal dumping, simple landfill, comprehensive treatment and site recycling. Illegal dumping is a mainstream mode for disposing construction waste in county cities and towns at present, the mode is not mainstream but still exists in large quantity in city-level cities, and the mode is rare at present due to enhancement of supervision in provincial cities; the simple landfill is a main flow mode adopted by provincial cities, which is the result of mandatory supervision, and the mode also shows an ascending trend in city-level cities in recent years; the comprehensive treatment mode appears in few cities and is spontaneous, but has attracted attention and attention of government related departments, and the field resource mode begins to appear in few cities, is small in scale and is spontaneous.

In summary, in order to solve the problems in the prior art, it is urgently needed to invent a method for directly crushing bagged garbage in building decoration, and during the operation process, the bagged garbage only needs to be put into a crusher, and the garbage classification can be realized without removing the bag in advance, so that the garbage bag can be crushed.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a building decoration rubbish bag breaking machine has solved before refuse treatment, needs destroy the disposal bag, then rubbish gets into the letter sorting line, and the manual work carries out the problem that the bag breaking processing speed of disposal bag is slow, inefficiency.

The technical scheme is as follows: the utility model provides a building decoration rubbish bag-breaking machine, including main platform, broken cylinder drive arrangement, the spacing roller components of cylinder, broken cylinder and the broken bag subassembly of two symmetry settings, broken cylinder drive arrangement, the spacing roller components of cylinder and broken bag subassembly all set up on main platform, broken cylinder sets up on broken cylinder drive arrangement to broken cylinder drive arrangement can drive broken cylinder and rotate, broken cylinder slope sets up to be equipped with rubbish feed inlet and rubbish discharge gate on the broken cylinder, the spacing roller components of cylinder of two symmetry settings are located one side of the tip under the broken cylinder, and a broken cylinder terminal surface and the spacing roller components of cylinder of two symmetry settings laminate; wherein, the bag breaking component comprises a first rotating shaft supporting seat, a second rotating shaft supporting seat, a breaking rotating shaft, a group of breaking turntables and a breaking speed reducing motor, the first rotating shaft supporting seat and the second rotating shaft supporting seat are both fixedly arranged on the main platform and are respectively positioned at two sides of the axis of the breaking roller, two ends of the breaking rotating shaft are respectively arranged on the first rotating shaft supporting seat and the second rotating shaft supporting seat through bearings, the breaking rotating shaft penetrates through the breaking roller and is positioned on the axis of the breaking roller, the group of breaking turntables are sequentially arranged on the breaking rotating shaft along the axis direction of the breaking roller, a group of breaking knives are fixedly connected on the outer wall of the breaking rotating shaft through bolts, the group of breaking knives are arranged in an annular array mode by taking the breaking rotating shaft as a central line, and the breaking speed reducing motor is fixedly arranged on the first rotating shaft supporting seat, and the crushing speed reducing motor is connected with the crushing rotating shaft through a coupler, and the rotating speed of the crushing rotating shaft is greater than that of the crushing roller.

Further, above-mentioned building decoration rubbish bag-breaking machine, the cross-section of broken sword is fan-shaped.

Further, foretell building decoration rubbish bag breaking machine, the main platform includes the ladder that a set of support column, supporting platform and two symmetries set up, supporting platform is fixed to be set up on the upper end of a set of support column, the one end and the supporting platform fixed connection of the ladder that two symmetries set up to the ladder that two symmetries set up is located crushing roller's both sides respectively, crushing roller drive arrangement sets up on supporting platform, the lower tip of support column is equipped with the supporting legs, be equipped with the reinforcing plate between supporting platform and the support column, all be equipped with the guardrail on the ladder that supporting platform and two symmetries set up.

Further, the building decoration garbage bag breaking machine comprises a drum 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 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 driving motor and the speed reducer are located at the middle position of the crushing drum, the first driving friction wheel and the second driving friction wheel are respectively located at two ends of the crushing drum, and the first driving friction wheel and the second driving friction wheel are attached to the outer wall of the crushing roller.

Further, a first driven friction wheel is arranged at the end part, on the same side as the first driving friction wheel, of the supporting platform, 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 crushing roller; and a driven friction wheel II is arranged on the supporting platform and at the end part on the same side as the driving friction wheel II, the driven friction wheel II and the driving friction wheel are symmetrically arranged, and the driven friction wheel II is attached to the outer wall of the crushing roller.

Further, foretell building decoration rubbish bag-breaking machine, the spacing wheel components of cylinder includes spacing round fixing base, pivot fixing base, spacing round pivot, bearing one, bearing two, spacing round body, gland and a set of spacing round position control device, spacing round fixing base is fixed to be set up on supporting platform, the pivot fixing base sets up on the up end of spacing round fixing base to spacing round fixing base and pivot fixing base pass through bolted connection, the fixed setting of spacing round pivot is on the pivot fixing base, bearing one and bearing two are established in spacing round pivot, spacing round body passes through bearing one and bearing two and is connected with spacing round hub, the gland passes through bolt locking on spacing round body, a set of spacing round position control device sets up between spacing round fixing base and pivot fixing base.

Furthermore, the building decoration garbage bag breaking machine is characterized in that the limiting wheel position adjusting device comprises a hinged fixing seat, a stud, a first locking bolt, a second locking bolt, 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, in the building decoration garbage bag breaking machine, an included angle between the axis of the breaking roller and the horizontal plane is 3-8 degrees.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: building decoration rubbish bag-breaking machine, operation process only need put into crushing drum with the rubbish in bags among the building decoration rubbish, through the rotatory broken sword different with the crushing drum rotational speed, can carry out the many times cutting of rubbish in bags to can guarantee that the disposal bag is cut open, the later stage of being convenient for carries out the screening and the processing of building decoration rubbish, need not to tear open the bag in advance, realize building decoration rubbish centralized processing, convenient to use improves production efficiency.

Drawings

Fig. 1 is a front view of the building decoration garbage bag breaking machine of the present invention;

fig. 2 is a right side view of the building decoration garbage bag breaking machine of the present invention;

fig. 3 is a top view of the building decoration garbage bag breaking machine of the present invention;

fig. 4 is a schematic structural view of the crushing roller driving device and the crushing roller according to the present invention;

fig. 5 is a schematic structural view of the crushing roller driving device of the present invention;

fig. 6 is a schematic structural view of the roller limiting roller assembly of the present invention;

fig. 7 is a top view of the roller limiting roller assembly of the present invention.

In the figure: the device comprises a main platform 1, a support column 11, a support platform 12, a ladder 13, support legs 14, a reinforcing plate 15, a guardrail 16, a crushing roller driving device 2, a roller 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, a second driving friction wheel 211, a first driven friction wheel 212, a second driven friction wheel 213, a roller limiting roller assembly 3, a limiting wheel fixing seat 31, a fixed support plate 311, a rotating shaft fixing seat 32, a kidney-shaped hole 321, a limiting wheel rotating shaft 33, a first bearing 34, a second bearing 35, a limiting wheel body 36, a gland 37, a limiting wheel position adjusting device 38, a hinged fixing seat 381, a stud 382, a first locking bolt 383, a second locking bolt 384, a ball 385, a connecting pin 386, a crushing roller 4, a bag breaking assembly 5, a first rotating shaft, A second rotating shaft supporting seat 52, a crushing rotating shaft 53, a crushing rotary disc 54, a crushing speed reducing motor 55 and a crushing knife 56.

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 building decoration garbage bag breaking machine shown in figures 1-3 comprises a main platform 1, a crushing roller driving device 2, two roller limiting roller assemblies 3 which are symmetrically arranged, a crushing roller 4 and a bag breaking assembly 5, the crushing roller driving device 2, the roller limiting roller assembly 3 and the bag breaking assembly 5 are all arranged on the main platform 1, the crushing roller 4 is arranged on the crushing roller driving device 2, and the crushing roller driving device 2 can drive the crushing roller 4 to rotate, the crushing roller 4 is arranged obliquely, and the crushing roller 4 is provided with a garbage feeding hole and a garbage discharging hole, the garbage feeding hole is positioned at the upper end part of the crushing roller 4, the garbage discharging hole is positioned at the lower end part of the crushing roller 4, the two symmetrically arranged roller limiting roller assemblies 3 are positioned on one side of the lower end part of the crushing roller 4, one end surface of the crushing roller 4 is attached to two roller limiting roller assemblies 3 which are symmetrically arranged; wherein, the bag breaking assembly 5 comprises a first rotating shaft supporting seat 51, a second rotating shaft supporting seat 52, a breaking rotating shaft 53, a group of breaking turntables 54 and a breaking speed reducing motor 55, the first rotating shaft supporting seat 51 and the second rotating shaft supporting seat 52 are both fixedly arranged on the main platform 1, the first rotating shaft supporting seat 51 and the second rotating shaft supporting seat 52 are respectively positioned at two sides of the axis of the breaking roller 4, two ends of the breaking rotating shaft 53 are respectively arranged on the first rotating shaft supporting seat 51 and the second rotating shaft supporting seat 52 through bearings, the breaking rotating shaft 53 penetrates through the breaking roller 4, the breaking rotating shaft 53 is positioned on the axis of the breaking roller 4, the group of breaking turntables 54 are sequentially arranged on the breaking rotating shaft 53 along the axis direction of the breaking roller 4, the outer wall of the breaking rotating shaft 53 is fixedly connected with a group of breaking knives 56 through bolts, and the group of breaking knives 56 are arranged in an annular, the crushing speed reducing motor 55 is fixedly arranged on the rotating shaft supporting seat 51, the crushing speed reducing motor 55 is connected with the crushing rotating shaft 53 through a coupler, and the rotating speed of the crushing rotating shaft 53 is greater than that of the crushing roller 4. The crushing blade 56 has a fan-shaped cross section. The included angle between the axis of the crushing roller 4 and the horizontal plane is 3-8 degrees.

Furthermore, main platform 1 includes the ladder 13 that a set of support column 11, supporting platform 12 and two symmetries set up, supporting platform 12 is fixed to be set up on the upper end of a set of support column 11, the one end and the supporting platform 12 fixed connection of the ladder 13 that two symmetries set up to the ladder 13 that two symmetries set up is located the both sides of crushing roller 4 respectively, crushing roller drive arrangement 2 sets up on supporting platform 12, the lower tip of support column 11 is equipped with supporting legs 14, be equipped with reinforcing plate 15 between supporting platform 12 and the support column 11, all be equipped with guardrail 16 on the ladder 13 that supporting platform 12 and two symmetries set up.

The utility model discloses a building decoration rubbish bag-breaking machine's theory of operation does:

pour building decoration rubbish into crushing roller 4 from the rubbish feed inlet of crushing roller 4 in, because the slope of crushing roller 4 sets up, and constantly rotate, consequently, decoration rubbish in the crushing roller 4 moves from the high one end of horizontal position to the low one end of horizontal position, building decoration rubbish removes the in-process, with rotatory broken sword 56 contact, because the rotational speed of broken pivot 53 and crushing roller 4 is different, consequently, the sack of building decoration rubbish in broken sword 56 and the crushing roller 4 has relative displacement, broken sword 56 cuts the sack of building decoration rubbish, break the sack.

Example two

The crushing roller driving device 2 shown in fig. 4 and 5 comprises a roller 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 roller 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, and the roller driving motor 21 and the speed reducer 22 are positioned in the middle position of the crushing roller 4, the first driving friction wheel 210 and the second driving friction wheel 211 are respectively located at two ends of the crushing roller 4, and the first driving friction wheel 210 and the second driving friction wheel 211 are attached to the outer wall of the crushing roller 4. In the structure, a first driven friction wheel 212 is arranged at the end part of the supporting platform 12 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 crushing roller 4; and a driven friction wheel II 213 is arranged at the end part of the supporting platform 12, which is positioned at the same side as the driving friction wheel II 211, 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 crushing roller 4.

EXAMPLE III

As shown in fig. 6 and 7, the roller 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 supporting platform 12, 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 (8)

1. Building decoration rubbish bag-breaking machine, its characterized in that: comprises a main platform (1), a crushing roller driving device (2), two roller limiting roller assemblies (3) which are symmetrically arranged, a crushing roller (4) and a bag breaking assembly (5), the crushing roller driving device (2), the roller limiting roller assembly (3) and the bag breaking assembly (5) are all arranged on the main platform (1), the crushing roller (4) is arranged on the crushing roller driving device (2), and the crushing roller driving device (2) can drive the crushing roller (4) to rotate, the crushing roller (4) is arranged obliquely, and the crushing roller (4) is provided with a garbage feeding hole and a garbage discharging hole, the two roller limiting roller assemblies (3) which are symmetrically arranged are positioned at one side of the lower end part of the crushing roller (4), one end surface of the crushing roller (4) is attached to two roller limiting roller assemblies (3) which are symmetrically arranged;

wherein, the bag breaking component (5) comprises a first rotating shaft supporting seat (51), a second rotating shaft supporting seat (52), a breaking rotating shaft (53), a group of breaking turntables (54) and a breaking speed reducing motor (55), the first rotating shaft supporting seat (51) and the second rotating shaft supporting seat (52) are fixedly arranged on the main platform (1), the first rotating shaft supporting seat (51) and the second rotating shaft supporting seat (52) are respectively positioned at two sides of the axis of the breaking roller (4), two ends of the breaking rotating shaft (53) are respectively arranged on the first rotating shaft supporting seat (51) and the second rotating shaft supporting seat (52) through bearings, the breaking rotating shaft (53) penetrates through the breaking roller (4), the breaking rotating shaft (53) is positioned on the axis of the breaking roller (4), the group of breaking turntables (54) are sequentially arranged on the breaking rotating shaft (53) along the axis direction of the breaking roller (4), the outer wall of broken pivot (53) is gone up through a set of broken sword (56) of bolt fixedly connected with, a set of broken sword (56) use broken pivot (53) to set up according to annular array's mode as the central line, broken gear motor (55) are fixed to be set up on pivot supporting seat (51) to broken gear motor (55) are connected through shaft coupling and broken pivot (53), the rotational speed of broken pivot (53) is greater than the rotational speed of broken cylinder (4).

2. The building finishing garbage bag breaking machine according to claim 1, characterized in that: the section of the crushing knife (56) is fan-shaped.

3. The building finishing garbage bag breaking machine according to claim 1, characterized in that: main platform (1) is including ladder (13) that a set of support column (11), supporting platform (12) and two symmetries set up, fixed the setting in the upper end of a set of support column (11) in supporting platform (12), the one end and the supporting platform (12) fixed connection of ladder (13) that two symmetries set up to ladder (13) that two symmetries set up are located the both sides of broken cylinder (4) respectively, broken cylinder drive arrangement (2) set up on supporting platform (12), the lower tip of support column (11) is equipped with supporting legs (14), be equipped with reinforcing plate (15) between supporting platform (12) and support column (11), all be equipped with guardrail (16) on ladder (13) that supporting platform (12) and two symmetries set up.

4. The building finishing garbage bag breaking machine according to claim 3, characterized in that: the crushing roller driving device (2) comprises a roller 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 roller 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 roller driving motor (21) and the speed reducer (22) are located in the middle of the crushing roller (4), the driving friction wheel I (210) and the driving friction wheel II (211) are located at two ends of the crushing roller (4) respectively, and the driving friction wheel I (210) and the driving friction wheel II (211) are attached to the outer wall of the crushing roller (4).

5. The building finishing garbage bag breaking machine according to claim 4, characterized in that: a first driven friction wheel (212) is arranged at the end part of the supporting platform (12) 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 crushing roller (4); the end part of the supporting platform (12) 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 crushing roller (4).

6. The building finishing garbage bag breaking machine according to claim 3, characterized in that: the roller 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 supporting platform (12), 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), and 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 a bolt, 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).

7. The building finishing garbage bag breaking machine according to claim 6, 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).

8. The building finishing garbage bag breaking machine according to claim 1, characterized in that: the included angle between the axis of the crushing roller (4) and the horizontal plane is 3-8 degrees.

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