JP2014000638A - Ring brush, brush roll, and brush-type road sweeper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ring brush and a brush roll, which can be easily recycled and which are excellent in durability, and a brush-type road sweeper.SOLUTION: In a ring brush 3 for use in a brush roll of a brush-type road sweeper, a filament assembly 8 is formed on an outer periphery of a ring-shaped sheet material made of PET in such a manner that brush filaments 9 made of the same PET are radially bonded, and a ring member for being attached to a brush shaft is formed of a pair of presser bar plates 11 and 12 for sandwiching the filament assembly 8 from axial front and rear sides.

Description

  The present invention relates to a ring brush used for a brush roll of a brush type road cleaning vehicle, a brush roll using the ring brush, and a brush type road cleaning vehicle using the brush roll.

As shown in FIG. 1, the brush type road surface cleaning vehicle 30 includes side brushes 32 on the left and right sides of a vehicle body 31 and a main brush 33 on the rear side of the vehicle body 31, and dust on the road surface collected by the rotating side brushes 32. Are swept up by a rotating main brush 33 and transferred to a hopper 36 by a conveyor device 34 and a counter-rotating paddle 35.
As the main brush 33, a brush roll formed by mounting a plurality of ring brushes on a brush shaft is used. As a brush roll, for example, as disclosed in Patent Document 1, a plurality of wave brushes (ring brushes) in which a brush material is radially implanted on the outer periphery of a ring member are externally mounted on the outer periphery of a main brush core. It has been. In Patent Document 2, a polypropylene fiber fusion part is inserted into a polypropylene channel having a U-shaped cross section, and is sandwiched between sandwiching plates, and a brush material which is heated and fixed by fusion is formed into an annular shape. An invention for obtaining a brush roll is disclosed. Further, Patent Document 3 discloses an invention of a channel brush in which a core wire is arranged inside a channel having a substantially U-shaped cross section, and a brush piece is sandwiched between the core wire and the channel so as to be implanted in the channel. Has been.

JP 2003-313838 A JP 2007-54614 A JP 2011-45498 A

  In recent years, ring brushes are also required to be easily discarded after use and can be recycled. However, the wave brush of Patent Document 1 is difficult to separate the ring member and the brush material and is difficult to recycle. It has become a thing. The same applies to the channel brush of Patent Document 3 in which the material of the channel and the brush piece are different. On the other hand, the brush roll of Patent Document 2 is easy to recycle because the channel and the brush material are the same polypropylene. However, the brush roll is liable to break and has a problem in durability.

  Accordingly, an object of the present invention is to provide a ring brush, a brush roll, and a brush type road cleaning vehicle that are easy to recycle and excellent in durability.

In order to achieve the above object, an invention according to claim 1 is provided with a ring member mounted on a brush shaft, and a brush piece assembly including linear brush pieces extending radially from the ring member, and a brush A ring brush used for a brush roll of a road sweeper, wherein a brush piece assembly is radially bonded to the outer periphery of a synthetic resin ring-shaped brush base and the same synthetic resin brush piece as the brush base. On the other hand, the ring member is formed by a pair of pressing members that sandwich the brush piece assembly from the front and back in the axial direction.
In order to achieve the above object, a second aspect of the present invention includes a ring member mounted on a brush shaft, and a brush piece assembly including linear brush pieces extending radially from the ring member, and a brush A ring brush used for a brush roll of a road sweeper, wherein a brush piece assembly is formed by inserting a synthetic resin brush piece radially into a flexible and ring-shaped brush base, The ring member is formed by a pair of pressing members that sandwich the brush base portion from the front and back in the axial direction.
According to a third aspect of the present invention, in the configuration of the first or second aspect, at least the material of the brush piece is polyethylene terephthalate.
According to a fourth aspect of the present invention, in the configuration according to any one of the first to third aspects, the pressing member is formed in a waveform having alternating convex portions and concave portions in the radial direction. .
In order to achieve the above-mentioned object, the invention according to claim 5 is a brush roll, wherein a plurality of ring brushes according to any one of claims 1 to 4 are mounted on the brush shaft in the axial direction. It is characterized by.
According to a sixth aspect of the present invention, in the configuration of the fifth aspect, the brush shaft is provided with a plurality of metal fittings protruding radially from the outer peripheral surface in accordance with the mounting position of the ring brush, and the bolts for fixing the pressing members to each other. By engaging with the metal fitting, the brush shaft and the ring brush are integrated in the rotation direction.
In order to achieve the above object, the invention according to claim 7 is a brush type road cleaning vehicle, wherein the brush roll according to claim 5 or 6 is used as a main brush at the rear part of the vehicle body. It is what.

According to the first, second, fifth, and seventh aspects of the present invention, the brush piece assembly and the pressing member can be easily separated, and the brush piece assembly can be easily recycled.
According to invention of Claim 3, in addition to the effect of Claim 1 or 2, a highly durable ring brush is obtained.
According to invention of Claim 4, in addition to the effect in any one of Claims 1 thru | or 3, the rigidity of a ring brush is securable.
According to invention of Claim 6, in addition to the effect of Claim 5, a brush shaft and a ring brush can be connected easily.

It is explanatory drawing of a brush-type road surface cleaning vehicle. It is a longitudinal cross-sectional view of the brush roll of form 1. It is a side view of the brush shaft of form 1. (A) is the sectional view on the AA line of FIG. 3, (B) is the sectional view on the BB line, (C) is the sectional view on the CC line. It is explanatory drawing of the ring brush of the form 1, (A) is a front, (B) shows a DD line cross section, respectively. It is explanatory drawing of the filament assembly of form 1. It is the EE sectional view taken on the line of FIG. It is explanatory drawing of one holding plate of the form 1, (A) shows a front surface, (B) shows a side surface, respectively. It is explanatory drawing of the other pressing plate of the form 1, (A) shows a front surface, (B) shows a side surface, respectively. It is explanatory drawing which shows the exploded view of the ring brush of the form 1, and the fixing method of a ring brush. It is the A section enlarged view of FIG. It is the FF sectional view taken on the line of FIG. It is explanatory drawing of the ring brush of the form 2. It is the GG sectional view taken on the line of FIG. It is explanatory drawing of the brush filament of form 2. It is explanatory drawing of the rubber ring of the form 2, (A) shows a front, (B) shows a side surface, respectively. It is the HH sectional view taken on the line of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[Form 1]
FIG. 2 is a longitudinal sectional view of the brush roll 1 used for the main brush 33 of the brush-type road cleaning vehicle 30 described in FIG. 1. The brush roll 1 is superimposed on the brush shaft 2 and the brush shaft 2 in the axial direction. It comprises a plurality of ring brushes 3, 3.
First, the brush shaft 2 is attached by passing the shaft core 5 through the axis of the pipe 4. In the pipe 4, as shown in FIGS. 3 and 4, a plurality of flat metal fittings 6,... Are accommodated in the diameter direction in a state where both ends protrude from the slits provided in the pipe 4. Each penetrates the shaft core 5. The metal fittings 6 are provided at predetermined intervals in the axial direction of the pipe 4 and shifted in phase by 45 ° in the circumferential direction. Through holes 7 are formed at both ends of the metal fitting 6 protruding from the pipe 4.

  As shown in FIG. 5, the ring brush 3 includes a filament assembly 8 as a brush piece assembly in which brush filaments 9, 9... As linear brush pieces are provided radially, and an axial direction of the filament assembly 8. And a pair of pressing plates 11 and 12 as pressing members that clamp the filament assembly 8 from the front and rear in the axial direction from the outside of the rubber plates 10 and 10.

First, as shown in FIGS. 6 and 7, the filament assembly 8 is made of PET (polyethylene terephthalate) ring-shaped sheet materials 13 and 13 as the brush base, and the same PET filament filaments 9, 9,. By adhering across the ends, it is formed in a disc shape having a through hole 14 in the center.
The rubber plate 10 is made of natural rubber, and the inner diameter is substantially the same as the inner diameter of the sheet material 13, but the outer diameter is larger than the outer diameter of the sheet material 13.

  As shown in FIGS. 8 and 9, the holding plates 11 and 12 are made of a metal ring having a corrugated shape in which the convex portions 15 and the concave portions 16 in the radial direction are alternately formed at intervals of 45 ° with the inclined portion 17 interposed therebetween. Among these, the convex portion 15 is formed longer than the concave portion 16 toward the center, and is a protruding portion 18 whose inner diameter is matched to the outer diameter of the pipe 4. In the protruding portion 18, a through hole 19 is formed in one pressing plate 11, and a block-shaped fixing seat 20 having a screw hole 21 is fixed to the other pressing plate 12. In addition, notches 22, 22... For avoiding interference with the metal fitting 6 protruding from the pipe 4 are formed on the inner circumferences of the pressing plates 11, 12 excluding the protruding portion 18.

  In the ring brush 3 configured as described above, as shown in FIG. 10, the rubber plates 10, 10 are applied from the front and the back with the filament assembly 8 as the center, and the pair of pressing plates 11, 12 are passed through the projecting portion 18. The phases of the convex portions 15 and the concave portions 16 are adjusted such that the pressing plate 11 in which the holes 19 are formed is positioned on the front side, and the pressing plate 12 having the fixed seat 20 on the protruding portion 18 is positioned on the back side. In the state, the filament assembly 8 and the rubber plates 10 and 10 are combined so as to be sandwiched therebetween.

  Then, the fixed seat 20 of the back-side pressing plate 12 passes through the filament assembly 8 and the rubber plates 10 and 10 and comes into contact with the back surface of the protruding portion 18 of the front-side pressing plate 11. Match. Therefore, when the bolt 23 is screwed into the through hole 19 from the holding plate 11 side into the screw hole 21, the holding plates 11 and 12 are assembled to each other via the filament assembly 8 and the rubber plates 10 and 10, and the filament assembly 8 is moved to the holding plate. Thus, the ring brush 3 deformed into a corrugated shape corresponding to the irregular shapes of 11 and 12 is obtained.

  The ring brush 3 obtained in this way is sheathed on the pipe 4 with the pressing plate 12 facing forward, and is moved to one end side to which the retaining flange 24 is fixed, so that the recess 16 of the retaining plate 12 is removed. 11, the heads of the bolts 23 are respectively fitted into the through holes 7 at the end of the first metal fitting 6 closest to the retaining flange 24 as shown in FIG. 11. Then, the first ring brush 3 is fixed between the retaining flange 24 and the metal fitting 6 and integrated with the pipe 4 in the rotation direction. When the ring brush 3 is moved to one end side of the pipe 4, interference with the metal fitting 6 in the middle can be avoided by the notch 22.

  Subsequently, the next ring brush 3 is externally mounted on the pipe 4 in the same direction, and at a position where the concave portion 16 of the presser plate 12 is brought into contact with the first metal fitting 6 with the first ring brush 3 and the phase shifted by 45 °. The heads of the bolts 23 are fitted into the through holes 7 at the ends of the adjacent metal fittings 6 respectively. Then, the next ring brush 3 is fixed to the metal fitting 6 in a state where the concave portion 16 of the pressing plate 12 is in contact with the convex portion 15 of the pressing plate 11 of the first ring brush 3.

  In this way, the ring brushes 3, 3... Are sequentially put on the pipe 4 and fixed to the metal fittings 6 as shown in FIG. it can. After the last ring brush 3 is fixed, if a retaining flange 25 is fixed to the other end of the pipe 4, a plurality of ring brushes 3.3 are continuously mounted on the brush shaft 2 as shown in FIG. A brush roll 1 is obtained.

  As described above, according to the ring brush 3 of the first aspect, the filament assembly 8 is formed by radially bonding the same PET brush filament 9 on the outer periphery of the ring-shaped sheet material 13 made of PET, Since the ring member attached to the brush shaft 2 is formed of a pair of pressing plates 11 and 12 that clamp the filament assembly 8 from the front and rear in the axial direction, the filament assembly 8 and the pressing plates 11 and 12 are easily separated. The filament assembly 8 made only of PET can be easily recycled.

In particular, here, since the filament assembly 8 is made of PET, a highly durable ring brush 3 can be obtained.
Moreover, since the press plates 11 and 12 are formed in the waveform which has the convex part 15 and the recessed part 16 of a radial direction by turns, the rigidity of the ring brush 3 is securable.
Further, by interposing rubber plates 10 and 10 having a diameter larger than that of the pressing plates 11 and 12 between the filament assembly 8 and the pressing plates 11 and 12, the brush filament 9 due to contact with the pressing plates 11 and 12. Can be prevented from breaking.

  Then, a plurality of metal fittings 6 protruding radially from the outer peripheral surface are provided on the brush shaft 2 in accordance with the mounting position of the ring brush 3, and bolts 23 for fixing the holding plates 11, 12 are engaged with the metal fitting 6. Thus, since the brush shaft 2 and the ring brush 3 are integrated in the rotational direction, the brush shaft 2 and the ring brush 3 can be easily connected.

In the ring brush of aspect 1, the rubber plate is interposed between the brush piece assembly and the pressing plate, but the rubber plate can be omitted depending on the shape and material of the pressing plate.
In addition, as long as the material of the brush piece assembly is the same material, the synthetic material other than PET may be adopted.
In addition, the ring brush mounting structure on the brush shaft also employs a locking structure such as a screw or hook, regardless of whether the phase shift is set to other than 45 ° or the bolt head is fitted to the bracket. It can be appropriately changed.

[Form 2]
Next, another embodiment of the present invention will be described. However, since only the ring brush is different from the first embodiment, the overlapping description of the brush shaft and the like will be omitted, and the ring brush will be described.
The ring brush 30 shown in FIG. 13 includes a filament assembly 31 and a pair of pressing plates 32 and 33 that clamp the filament assembly 31 from the front and rear in the axial direction.
As shown in FIGS. 16 and 17, the filament assembly 31 is formed from a rubber ring 34 as a brush base and PET brush filaments 35, 35... Attached radially to the rubber ring 34. Here, the rubber ring 34 is formed with a plurality of through holes 36, 36... That penetrate in the radial direction at equal intervals. A brush filament 35 is placed in each through hole 36 at the center as shown in FIG. It is inserted from the tip folded in half.

Further, the holding plates 32 and 33 here are also metal ring bodies having a wave shape in which convex portions 37 and concave portions 38 in the radial direction are alternately formed at intervals of 45 ° with the inclined portion 39 interposed therebetween, as shown in FIG. As shown, a through hole 41 is formed in the protruding portion 40 of one pressing plate 32, and a fixed seat 42 is fixed to the protruding portion 40 of the other pressing plate 33.
Therefore, if the rubber ring 34 of the filament assembly 31 is sandwiched between the pair of presser plates 32 and 33 from the front and rear, and the bolt 43 penetrated through the through hole 41 of the front protrusion 40 is screwed to the fixed seat 42, The rubber ring 34 is compressed in the thickness direction, and the brush filaments 35, 35... Are integrated with the rubber ring 34.

  As described above, also in the ring brush 30 of the above-described form 2, the filament assembly 31 is formed by inserting and inserting the synthetic resin brush filament 35 radially into the flexible ring-shaped rubber ring 34, while the ring By forming the member from a pair of pressing plates 32 and 33 that sandwich the rubber ring 34 from the front and back in the axial direction, the filament assembly 31 and the pressing plates 32 and 33 can be easily separated, and the brush filament 35 is also a rubber ring. Therefore, the filament assembly 31 can be easily separated and recycled.

In the second embodiment, the brush filament is inserted and attached to the rubber ring, but an adhesive may be used in combination. In this case, it can be used as fuel without being separated and recycled.
Further, the brush base is not limited to the rubber ring, and may be made of synthetic resin or cloth.

  1 .... Brush roll, 2 .... Brush shaft, 3, .... Ring brush, 4 .... Pipe, 5 .... Shaft core, 6 .... Metal, 7 .... Through hole, 8,31 ... Filament assembly, 9, 35 ··· Brush filament, 10 ·· Rubber plate, 11, 12, 32, 33 ··· Press plate, 15, 37 · · Convex portion, 16, 38 ··· Concavity, 19, 41 ···, through hole, 20 , 42 .. Fixing seat, 21 .. Screw hole, 23, 43 .. Bolt, 24, 25 .. Retaining flange, 34 .. Rubber ring.

Claims (7)

A ring brush comprising a ring member attached to a brush shaft and a brush piece assembly formed of linear brush pieces extending radially from the ring member, and used for a brush roll of a brush type road surface cleaning vehicle,
The brush piece assembly is formed by synthetically bonding the same synthetic resin brush pieces as the brush base radially on the outer periphery of the ring-shaped brush base made of synthetic resin,
A ring brush characterized in that the ring member is formed by a pair of pressing members that clamp the brush piece assembly from the front and back in the axial direction thereof. A ring brush comprising a ring member attached to a brush shaft and a brush piece assembly formed of linear brush pieces extending radially from the ring member, and used for a brush roll of a brush type road surface cleaning vehicle,
The brush piece assembly is formed by inserting and mounting synthetic resin brush pieces radially on a flexible and ring-shaped brush base,
A ring brush characterized in that the ring member is formed by a pair of pressing members that clamp the brush base from the front and rear in the axial direction.   The ring brush according to claim 1 or 2, wherein at least the material of the brush piece is polyethylene terephthalate.   4. The ring brush according to claim 1, wherein the pressing member is formed in a waveform having alternating convex portions and concave portions in the radial direction. 5.   A brush roll, wherein a plurality of the ring brushes according to any one of claims 1 to 4 are mounted on the brush shaft in the axial direction.   The brush shaft is provided with a plurality of metal fittings protruding radially from the outer peripheral surface in accordance with the mounting position of the ring brush, and the bolts for fixing the pressing members are engaged with the metal fittings. The brush roll according to claim 5, wherein the ring brush and the ring brush are integrated in a rotation direction.   A brush-type road surface cleaning vehicle using the brush roll according to claim 5 or 6 as a main brush at a rear portion of a vehicle body.

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