JP2020063137A - Belt cleaner and chip - Google Patents

Abstract

To prevent a sticking object from accumulating on a rear side of a removal piece even when used continuously for a long period of time.SOLUTION: A belt cleaner 10 comprises: wire ropes 20; chips 30 each of which has insertion holes (31, 32) and scrapes off sticking objects; a scraping part 40 in which the wire rope 20 is inserted into each insertion hole of the plurality of chips 30 and the chips 30 are continuously arranged; and fastening fixtures (50, 60) which fix the scraping part 40 so as to abut on an external surface of a belt in a state of being inclined in a direction oblique to a transportation direction of the belt. The chip 30 comprises a tapered part where a width in an insertion direction of the wire rope 20 is gradually reduced as it approaches a surface being a downstream side of transportation at the time of fixing to an external surface of the belt.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a belt cleaner that removes deposits attached to the outer surface of a belt of a belt conveyor, and a tip for a belt cleaner that scrapes off the deposits.

  In a conventional belt cleaner, which is an example of this type of device, a scraper for scraping off adhered substances is arranged at a right angle to the belt feeding direction (Patent Document 1).

  However, in the device of Patent Document 1 in which the scrapers are linearly arranged in the width direction of the belt, the contact between the scraper and the belt becomes poor at the center portion in the width direction of the belt, which is particularly susceptible to wear, during continuous use. There is a problem that the effect of removing the deposits is reduced.

  As a measure against the above problem, there is a belt cleaner in which a plurality of removal pieces are inserted into one wire rope and are attached in an oblique direction with respect to the traveling direction of a belt of a conveyor to improve the followability of the removal pieces to the belt. It has been proposed (Patent Document 2).

  Further, as another example using the same idea as Patent Document 2, there is a belt cleaner in which a removal piece is inserted into two parallel wire ropes (Patent Document 3).

  However, the belt cleaner of Patent Document 2 has a problem that the front side and the back side of the removed piece are reversed when the tension of the wire rope becomes loose during continuous use.

  Further, in the case of the belt cleaner of Patent Document 3, the wire rope on the upstream side of the belt has a larger load than the wire rope on the downstream side and is likely to loosen. Therefore, there is a problem that the upper part (upstream side) of the removal piece floats from the surface of the belt, and the adhered matter enters the back side of the removal piece through the gap of the floating part, and the adhered matter accumulates on the back side of the removal piece. It was

  Therefore, in the belt cleaner of Patent Document 3, even if the removal piece is not turned over in a few cases, the contact between the removal piece and the belt is deteriorated due to the fact that the adhered matter is accumulated on the back side of the removal piece, The effect of removing the kimono was reduced.

Japanese Patent Laid-Open No. 8-91547 JP, 2007-145494, A JP, 2010-269937, A

  The problem to be solved by the present invention is that, in the conventional belt cleaner, the adhered matter is accumulated on the back side of the removed piece, the contact between the removed piece and the belt is deteriorated, and the effect of removing the adhered matter is reduced. That was the point.

  The present invention has been made for the purpose of maintaining a high effect of removing deposits, because deposits do not accumulate on the back side of the strips even after long-term continuous use.

The belt cleaner of the present invention is
A belt cleaner for removing deposits on the outer surface of a belt of a belt conveyor,
Wire rope,
A chip having an insertion hole for scraping off the attached matter,
The wire rope is inserted through each insertion hole of the plurality of chips, and a scraping portion in which the chips are continuously arranged,
The scraping unit, in a state of being inclined in an oblique direction with respect to the conveyance direction of the belt, a fixture attached so as to contact the outer surface of the belt,
The most main feature of the tip is that the width of the tip in the insertion direction of the wire rope has a taper portion that gradually decreases toward the surface on the downstream side of conveyance when attached to the outer surface of the belt.

  According to the present invention, in the scraping portion in which the chips are continuously arranged, a gap is formed between the tapered part of the chip and the adjacent chip. Therefore, even if an adhering matter may enter the back side of the chip, the adhering matter is discharged downward through the gap.

  In the present invention, since the adhered matter does not collect on the back side of the chip, the contact between the chip and the belt is kept good, and the effect of removing the adhered matter is maintained for a long period of time.

It is a figure showing the whole belt cleaner composition of the present invention which consists of two wire ropes, a tip, a scraping part, the 1st fixture, and the 2nd fixture. It is a figure explaining the shape of the tip for belt cleaners of the present invention, (a) is a front view showing the front side of a tip, (b) is a right side view, (c) is the back side of the tip which contacts the surface of a belt. The rear view and (d) are bottom views. It is the figure which expanded a part of scraping part, (a) is a front view and (b) is a rear view. (A) is a perspective view of a 1st fixing tool, (b) is a perspective view of a 2nd fixing tool. It is a figure which shows an example attached so that the belt cleaner of this invention may contact | abut on the surface of a belt. It is a figure which shows another example which attaches so that the belt cleaner of this invention may contact the surface of a belt. It is a figure explaining the attachment position of the belt cleaner of this invention.

  An example of a mode for carrying out the present invention will be described in detail with reference to FIGS. INDUSTRIAL APPLICABILITY The belt cleaner of the present invention can be used as a belt cleaning device at all sites where belt conveyors are used, such as factories, mines, and waste treatment facilities. FIG. 1 shows the overall configuration of a belt cleaner 10 of this embodiment.

  The belt cleaner 10 includes two wire ropes 20 (first wire rope 21 and second wire rope 22) arranged in the same direction, and a ceramic chip for scraping off adhered matters adhering to the belt of the belt conveyor. 30 and a plurality of chips 30 inserted through the wire rope 20, and a scraping portion 40 in which the chips 30 are continuously arranged adjacent to each other in a longitudinal direction of the wire rope 20 by a required number according to the size of the belt. The first fixing member 50 is attached to one end of the wire rope 20 to generate elastic force, and the second fixing member 60 is attached to the other end of the wire rope 20. Reference numeral 71 denotes a sleeve attached to each wire rope 20 outside the scraping section 40. Reference numeral 72 denotes a first clip fixed to each wire rope 20 outside the sleeve 71.

  As shown in FIG. 2, in the chip 30, the first insertion hole 31 and the second insertion hole 32 penetrate in the scraping portion 40 in the direction in which the chips 30 are continuously arranged. The penetrating directions of the first insertion hole 31 and the second insertion hole 32 are parallel. When the tip 30 is attached so as to be in contact with the outer surface of the belt, the first insertion hole 31 is on the upstream side of the conveyance, and the first wire rope 21 is inserted. The second insertion hole 32 is on the downstream side of the conveyance, and the second wire rope 22 is inserted therethrough. The first insertion hole 31 has a narrowed portion 31a having a small diameter at the central portion in the insertion direction of the first wire rope 21.

  Reference numeral 33 indicates the upper surface of the chip 30 which is on the upstream side of the transportation when attached to the outer surface of the belt, and 34 indicates the bottom surface which is on the downstream side of the transportation. In this embodiment, the height between the top surface 33 and the bottom surface 34 is 90 mm. Further, 35a indicates a right side surface intersecting with the upper surface 33 at an angle of 90 °, and 35b indicates a left side surface intersecting with the upper surface 33 at an angle of 90 °. The width between the surface indicated by reference numeral 35a and the surface indicated by reference numeral 35b is constant, and is 40 mm in this embodiment.

  The tip 30 of the present invention is provided with the taper portion 36 whose width in the insertion direction of the wire rope 20 gradually decreases toward the surface (bottom surface 34) that is on the downstream side of conveyance when attached to the outer surface of the belt.

  Reference numeral 36a denotes a right side surface of the tapered portion 36, and 36b denotes a left side surface of the tapered portion 36. In the present embodiment, the width between the right side surface 36a of the tapered portion 36 and the left side surface 36b of the tapered portion 36 is 40 mm at maximum, but the bottom surface 34 is gradually reduced to 20 mm.

  Reference numeral 37 denotes the front surface of the chip 30, 38 denotes the back surface of the chip 30 which comes into contact with the surface of the belt, and 38a denotes the top portion 38a provided on the downstream side of the back surface 38 for conveyance. As shown in FIG. 2B, by providing the top portion 38a, the back surface 38 has a concave shape as a whole, and can contact the surface of the belt over a wide area.

  Further, the chip 30 of the present invention is provided with the inclined surface 39 between the surface of the top portion 38 a of the back surface 38 and the bottom surface 40. If the top portion 38a and the bottom surface 40 are orthogonal to each other at an angle of 90 ° and there are corners, the corners are likely to be caught when the belt is rotated in the opposite direction, the tip 30 may be inverted, or the belt surface may be turned at the corners. This may damage the The presence of the inclined surface 39 can prevent these troubles.

  As shown in FIG. 3, the scraping section 40 inserts the first wire ropes 21 into the first insertion holes 31 of the plurality of chips 30 and inserts the second wire ropes 22 into the second insertion holes 32. It is configured by continuously arranging.

  Since the tip 30 of the present invention has the tapered portion 36, as shown in FIG. 3, a gap 41 is formed between the tapered portion 36 and the adjacent tip 30. Therefore, even if an adhering matter may enter the back side of the chip 30, the adhering matter is discharged downward through the gap 41 due to gravity. The arrow in FIG. 3B indicates the direction in which the adhered matter is discharged.

  In the present embodiment, since the right side surface 36a and the left side surface 36b of the tapered portion 36 are formed obliquely, the one taper portion 36 and the other taper portion 36 of the chips 30 adjacent to each other in the scraping portion 40 are formed. A gap 41 is formed between them so that adhering substances can be discharged.

  When the tapered portions 36 are adjacent to each other in this way, the area of the gap 41 is increased and the effect of discharging the adhering substances is enhanced. According to the present invention, since the deposits are not accumulated on the back side of the chip, the contact between the chip 30 and the outer surface of the belt is maintained well, and the effect of removing the deposits is maintained for a long time.

  Further, since the tip 30 in the scraping section 40 is aligned in a straight line by inserting the two wire ropes 20 and is stable, when the scraping section 40 is brought into contact with the surface of the belt, the tip 30 is not provided. Also, the front surface 37 and the back surface 38 of FIG.

  However, in the case of the present invention, since the shape of the tip 30 is not rectangular unlike the conventional removal piece, it is desirable to devise to improve the stability of the scraping portion 40.

  First, in the tip 30, the first insertion hole 31 for inserting the first wire rope 21 on the upstream side of the conveyance is a second insertion hole for inserting the second wire rope 22 on the downstream side of the conveyance at a position other than the tapered portion 36. It is desirable to provide the taper portion 32 with the taper portion 36. For example, in FIG. 2B, the opening of the first insertion hole 31 exists on the surface indicated by reference numeral 35a, and the opening of the second insertion hole 32 exists on the surface indicated by reference numeral 36a.

  By doing so, the chips 30 adjacent to each other are brought into close contact with each other on the side of the first insertion hole 31, so that even if the load is high on the upstream side of conveyance, it is sufficiently stabilized by the action of the first wire rope 21. be able to. On the other hand, the side of the second insertion hole 32 is not brought into close contact with the taper portion 36, but the load is small on the downstream side of the conveyance, so that the second wire rope 22 can stabilize even if it is not in close contact. You can

  Secondly, the length from the center of the inner diameter of the first insertion hole 31 to the center of the inner diameter of the second insertion hole 32 is made larger than the width of the portion other than the tapered portion 36 in the insertion direction of the first wire rope 21. Is desirable. For example, in the tip 30 of the present embodiment, the length from the center of the inner diameter of the first insertion hole 31 to the center of the inner diameter of the second insertion hole 32 is 55 mm, and the first wire rope 21 in the portion other than the tapered portion 36. The width in the insertion direction is 40 mm, while the width is 1.3 times or more, so that the distance in the conveyance direction of the belt is increased and the scraping portion 40 is stabilized.

  As shown in FIG. 4, the fixture of the present invention is fixed to one end of the wire rope 20 and is fixed to the other end of the wire rope 20 by a first fixture 50 that fixes the wire rope 20 so as to extend and contract in the longitudinal direction. The second fixing device 60 is used.

  Reference numeral 71 is a sleeve composed of a short tube. The sleeve 71 is attached to the first wire rope 21 and the second wire rope 22 at a position further distal to the tip 30 of the scraping section 40.

  72 is a first clip attached to each of the two wire ropes 20. The first wire rope 21 or the second wire rope 22 is sandwiched in the groove portion of the first clip 72, screwed with a bolt, and fixed to the outside of the sleeve 71, whereby the position of the scraping portion 40 is regulated.

  As shown in FIG. 4A, the first fixture 50 includes an angle bracket 51, a holder 52 fixed to the angle bracket 51, a spring 53, a tube 54, a round plate 55, and a second clip 56. Prepare

  The holder 52 contacts the plate 52a at a required position on the surface having the long hole 51a of the angle bracket 51, inserts a bolt into the bolt hole 52b and the long hole 51a of the plate 52a through a washer, and fastens with a nut from the opposite side. Then, it is fixed to the angle bracket 51.

  A dome-shaped cap 52d is formed on the fixed plate 52c of the holder 52. An opening 52e for inserting the first wire rope 21 and the second wire rope 22 is provided at the center of the cap 52d.

  The first wire rope 21 and the second wire rope 22 on the distal side of the first clip 72 are inserted through the opening 52e. With the spring 53 interposed between the cap 52d and the round plate 54, the first wire rope 21 and the second wire rope 22 are inserted into the pipe 54, and the nut 57 is screwed from the opposite side of the round plate, The second clip 56 is fixed to the required positions of the first wire rope 21 and the second wire rope 22. As a result, one end of the wire rope 20 is fixed by the elastic force of the spring 53 so as to be able to expand and contract in the longitudinal direction.

  As shown in FIG. 4B, the second fixture 60 includes an angle bracket 61, a holder 62 fixed to the angle bracket 61, a square plate 63, and a second clip 64.

  The holder 62 abuts the plate 62a at a required position on the surface of the angle bracket 61 having the long hole 61a, inserts the bolt 65 into the bolt hole 62b and the long hole 61a of the plate 62a via a washer, and from the opposite side to the nut 66. And is fixed to the angle bracket 61.

  At the center of the fixed plate 62c of the holder 62, an opening 62d through which the first wire rope 21 and the second wire rope 22 are inserted is provided.

  The first wire rope 21 and the second wire rope 22 on the distal side of the first clip 72 are inserted through the opening 62d. The second clip 64 is fixed to a desired position of the first wire rope 21 and the second wire rope 22 via the square plate 63 on the opposite side of the fixing plate 62c. This fixes the other end of the wire rope 20.

  An example of attaching the belt cleaner 10 to the outer surface of the belt is as shown in FIGS. 5 and 6. 100 is a belt conveyor, 101 is a pulley, and 102 is a belt. Of the two wire ropes 20, the first wire rope 21 is arranged on the upstream side of conveyance of the belt 102, and the second wire rope 22 is arranged on the downstream side of conveyance.

  In the case of the belt conveyor 100 in which the width of the belt 102 is relatively short, as shown in FIG. 5, in the belt cleaner 10, the scraping unit 40 is placed at a predetermined angle with respect to the conveyance direction of the belt 102 at the position of the pulley 101. The belt 102 is attached so as to come into contact with the outer surface of the belt 102 while being crossed in an oblique direction. By doing so, the stability of the scraping portion 40 and the followability to unevenness of the belt surface are improved as compared with the case where the belt 102 is attached at a right angle to the conveying direction. The angle at which the scraping portion 40 is inclined is preferably in the range of 15 ° or more and 35 ° or less with respect to the width direction of the belt 102.

  The belt cleaner 10 is, for example, fixed to the first fixing tool 50 at the side of the belt conveyor 100 on the upstream side of conveyance, and fixed to the second fixing device 60 at the side of the downstream side of conveyance. Then, by adjusting the positions of the holders 52 and 62 with respect to the angle brackets 51 and 61 and the tension of the wire rope 20, the scraping portion 40 is brought into contact with the outer surface of the belt 102.

  When the width of the belt 102 is long, the scraping portion 40 is shaken by the method of FIG. Therefore, in the case of the belt conveyor 100 in which the width of the belt 102 is long, as shown in FIG. 6, it is desirable to provide the third fixing member 80 at the lower center position of the pulley 101. By providing the first fixtures 50 on both sides of the belt 102 and attaching the wire rope 20 in a V shape, each scraping portion 40 is stabilized. Also in this embodiment, each scraping portion 40 is in a state of being inclined in an oblique direction with respect to the conveying direction of the belt 102.

  It is needless to say that the present invention is not limited to the above-described embodiments, and the embodiments may be appropriately changed within the scope of the technical idea described in each claim.

  For example, the right side surface 36a and the left side surface 36b of the tapered portion 36 are not limited to flat shapes. The right side surface 36a and the left side surface 36b of the tapered portion 36 may be curved inward or outward.

  Further, a washer may be interposed between the chips 30 that are continuously arranged adjacent to each other in the scraping section 40.

  Contrary to the above-described example, as the fixing tool, the second fixing tool may be attached on the upstream side of the conveyance and the first fixing tool may be attached on the downstream side of the conveyance. Alternatively, the first fixing tool may be attached to both the upstream side and the downstream side of the transportation.

  As shown in FIG. 7, the attachment position of the belt cleaner 10 is not limited to the lower portion A of the pulley 101 described in the above example, but may be the rear portion B of the pulley 101 or the rear portion C of the turn roller 103.

10 Belt Cleaner 20 Wire Rope 21 First Wire Rope 22 Second Wire Rope 30 Tip 31 First Insertion Hole 32 Second Insertion Hole 36 Tapered Part 40 Scraping Part 41 Gap 50 First Fixing Tool 60 Second Fixing Tool 100 Belt Conveyor 101 belt

Claims (3)

A belt cleaner for removing deposits on the outer surface of a belt of a belt conveyor,
Wire rope,
A chip having an insertion hole for scraping off the attached matter,
The wire rope is inserted through each insertion hole of the plurality of chips, and a scraping portion in which the chips are continuously arranged,
The scraping unit, in a state of being inclined in an oblique direction with respect to the conveyance direction of the belt, a fixture attached so as to contact the outer surface of the belt,
A belt cleaner characterized in that the tip has a taper portion whose width in the insertion direction of the wire rope gradually decreases toward the surface on the downstream side of conveyance when attached to the outer surface of the belt.   The belt cleaner according to claim 1, wherein a gap capable of discharging the adhering substance is formed between one taper portion and the other taper portion of the adjacent chips in the scraping portion. A belt cleaner tip which is inserted through a plurality of wire ropes and attached so as to abut the outer surface of the belt of a belt conveyor,
The width of the wire rope in the insertion direction has a taper portion that gradually decreases toward the surface that is the downstream side of conveyance when attached to the outer surface of the belt,
The first insertion hole for inserting the wire rope on the upstream side of conveyance is provided at a position other than the tapered portion, and the second insertion hole for inserting the wire rope on the downstream side of conveyance is provided in the tapered portion. Cleaner tip.

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