JP2006348597A - Metal piece collection device of road cleaning truck - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a metal piece collection device of a road cleaning truck capable of being operated without interfering with a member of a caster or the like placing a magnetic unit on the lower part of the body and facilitating the placement on the body. <P>SOLUTION: The metal piece collection device 1 is placed forward of a back wheel on a suction duct side of a dust collecting device 10 equipped with a conveying duct and the suction duct. One end section of a magnet storage case 17 of the metal pieces collection device 1 is provided to the dust collecting device 10 through a tilting means 19, the other end section is held by the dust collecting device 10 in a detachable manner through a holding section 32. When a metal piece is collected from the metal piece collecting device 1, the magnet storage case 17 is inclined to an optional position by gripping a handle 22 of the other end section, the magnetic unit 18 is pulled out at the optional position, and the metal piece is collected from the metal piece collecting device 1. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention provides a road cleaning vehicle that collects dust on a running surface such as a road surface or a floor surface with a dust collecting device such as a brush or vacuum suction means, and effectively removes metal pieces such as nails and bolts on the running surface. The present invention relates to a metal piece collecting device to be collected.

  There exists a thing of patent document 1 as such a metal piece collection | recovery apparatus of a road surface cleaning vehicle. This is because a metal piece collecting device is arranged just before the rear wheel of a road cleaning vehicle, and metal pieces such as nails and bolts are collected by magnetic adsorption from the running surface by the metal piece collecting device. It is intended to prevent it from bursting. The metal pieces collected by magnetic adsorption are pulled out by sliding the magnet unit of the metal piece collection device in the vehicle width direction, and the movement of the metal pieces accompanying the movement of the magnet unit is prevented by the ironing plate, and the metal pieces are accumulated. It is dropped and collected as appropriate.

  Moreover, there exists a thing of patent document 2. FIG. This is provided with a metal piece collection device comprising a magnet storage case on the front and rear of the automatic guided vehicle, a magnet slidably accommodated in the inside and a handle for pulling up the magnet, and the metal piece is attached to the wheel. It is designed to prevent biting. The metal piece recovered by the magnetic attraction of the magnet is dropped as the magnetic force does not reach by pulling up the magnet by the handle, and is appropriately recovered.

JP 11-117248 A Japanese Patent Laid-Open No. 3-107006

In the metal piece collection device described in the above-mentioned Patent Document 1, since the magnet unit is configured to be pulled out only by being laterally slid in the vehicle width direction, the dust collection device provided with casters as shown in FIG. When the metal piece collecting device is provided between the ring and the ring, the magnet unit interferes with the caster of the dust collecting device, and the magnet unit cannot be pulled out. Moreover, in the metal piece collection | recovery apparatus of patent document 2, since it is comprised so that a magnet unit may be pulled up, when providing in the vehicle body lower part of a road surface cleaning vehicle, there is a restriction in the height between a vehicle body and a running surface, Since the magnetic force of the magnet unit is strong to magnetically attract metal pieces on the running surface, there is a possibility that a sufficient magnet unit pull-up distance cannot be taken when collecting the magnetically attracted metal pieces. There is a problem that it is difficult to install the apparatus, and there is a problem that it is difficult to pull up the magnet unit by the handle due to a restriction on the height between the vehicle body and the metal piece collecting apparatus or a member such as a suction duct.
In this invention, when the magnet unit is operated to collect the magnetically attracted metal piece, the magnetic unit can be operated without interfering with a member such as a caster arranged at the lower part of the vehicle body, and the road surface that is easily arranged on the vehicle body A metal piece collection device for a cleaning vehicle is provided.

  The present invention provides a road surface cleaning vehicle that collects dust on a running surface, provided with a magnet storage case that houses a magnet unit in a vehicle body of a road cleaning vehicle, and that attracts metal pieces on the running surface by a magnetic adsorption action of the magnet unit. In a metal piece collection device for a cleaning vehicle, one end of a magnet storage case is provided on a vehicle body so as to be tiltable in any direction via a tilting means, and the other end portion is detachably held on a vehicle body via a holding unit to store a magnet. A magnet unit is provided in the case so that it can be pulled out from the other end of the magnet housing case in the vehicle width direction, and the magnet unit can be pulled out with the magnet housing case tilted to an arbitrary position with the tilting means as a fulcrum. It is characterized by.

  In the present invention, a dust collecting device having a pressure feeding duct on one side in the vehicle width direction and a suction duct on the other side is disposed between the front wheel and the rear wheel, and the front side of the rear wheel on the suction duct side. A magnet storage case is arranged on the front.

  Further, the magnet storage case is provided on the rear wheel side surface of the dust collection device on the suction duct side.

  Further, the present invention is characterized in that a vibration isolating member is provided between the held member and the holding portion provided at the other end of the magnet housing case.

  Further, according to the present invention, when the flap mounting members are provided on both side surfaces in the direction orthogonal to the pull-out direction of the magnet unit and the magnet storage case is arranged in the vehicle width direction, the rear flap is attached to and detached from the side of the magnet storage case on the rear side of the vehicle body. It is possible to provide it.

  According to the present invention, since the magnet storage case of the metal piece collection device can be tilted to an arbitrary position with the tilting means as a fulcrum, the magnet storage case can be tilted to an appropriate position, which limits the arrangement of the metal piece collection device. The magnet unit can be quickly pulled out without interfering with members provided below the vehicle body such as casters and rear wheels of the dust collecting device by tilting the magnet storage case to an appropriate position.

  In addition, since the magnet storage case is disposed in front of the rear wheel on the suction duct side of the dust collection device where metal pieces are most likely to collect, the magnet storage case is preferably provided on the side of the rear wheel on the suction duct side of the dust recovery device. Thus, the metal piece on the running surface of the rear wheel, which is most easily ruptured by the metal piece, can be efficiently recovered by magnetic adsorption, and the effect of preventing the rear wheel from being ruptured by the metal piece is enhanced.

  In addition, since the vibration isolating member is provided between the held member and the holding portion provided at the other end of the magnet storage case, it is possible to prevent rattling between the dust collecting device and the magnetic storage case.

  Flap mounting members are provided on both sides of the magnet unit in the direction orthogonal to the pull-out direction, and when the magnet storage case is arranged in the vehicle width direction, the rear flap is detachably provided on the side of the magnet storage case on the rear side of the vehicle body. Therefore, even if the suction duct is provided on either the left or right side, the same magnet storage case can be disposed on either the left or right side of the vehicle body corresponding to the suction duct, and the cost can be reduced.

  An embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows an outline of a road cleaning vehicle 2 provided with a metal piece collecting device 1 of the present invention. As shown in FIGS. 1 and 2, the road surface cleaning vehicle 2 has a side brush 5 between the front and rear wheels 3 and 4, and between the side brush 5 and the rear wheel 4, as shown in FIGS. 1 and 2. An air circulation type dust collecting device 10 provided with a suction duct 9 for supplying compressed air from a blower (not shown) on one side of the dust suction hood body 6 in the vehicle width direction and a suction duct 9 connected to a hopper 8 on the other side. After the dust on the running surface R is swept inward in the vehicle width direction by the side brush 5, the air flow discharged from the blower is supplied to the dust-absorbing hood main body 6 via the pressure feeding duct 7. The dust on the R is blown up by an air flow, the dust is collected by the dust collecting device 10, and the dust is collected in the hopper 8 on the vehicle body 11 through the suction duct 9.

  The rear cover 13 of the dust collecting hood main body 6 of the dust collecting device 10 is provided with casters (auxiliary wheels) 14 on both outer sides in the vehicle width direction, and on the suction duct 9 side on the bracket 15 on the inner side in the vehicle width direction and the vehicle. The metal piece collection device 1 is provided with the bracket 16 on the outer side in the width direction. The metal piece collection device 1 is arranged so as to collect metal pieces by magnetic attraction on the traveling surface in front of the traveling locus on which the rear wheel 4 travels. As shown in FIG. 3, the metal piece collection device 1 includes a magnet storage case 17 and a magnet unit 18 stored in the magnet storage case 17. The magnet storage case 17 is made of a non-magnetic material such as stainless steel or resin. As shown in FIG. 3, the magnet storage case 17 has a box shape for storing the magnet unit 18 so that it can be pulled out from the opening 17d at the other end in the longitudinal direction of the magnet storage case 17. It is formed, and the longitudinal direction of the magnet storage case 17 and the drawing direction of the magnet unit coincide. The magnet storage case 17 is attached to the bracket 15 by a ball link 19 as a tilting means provided at one end portion in the longitudinal direction of the upper surface 17a, and can tilt in any direction with respect to the bracket 15. At the other end in the longitudinal direction of the upper surface 17a of the magnet storage case 17, there is provided a rod-shaped held member 21 whose outer periphery is covered with a vibration isolating member 20 made of rubber. The held member 21 is a magnet storage case. The other end of 17 projects in the longitudinal direction. Further, at the other end portion of the upper surface 17a, a handle 22 for an operator to grip when the metal piece collecting device 1 is tilted with the ball link 19 as a fulcrum, and a retaining member formed by bending a bar member into a U shape. A case side pin insertion member 24 through which the working pin 23 is inserted is provided.

  The magnet housing case 17 is provided with a plurality of flap attachment members 26 for detachably attaching the rubber rear flaps 25 to both side surfaces 17b and 17c in the longitudinal direction, that is, the direction orthogonal to the drawing direction of the magnet unit 18. When the metal piece collecting device 1 is mounted on the suction duct 9 side of the dust collecting device 10 so that the magnet unit 18 can be pulled out from the center in the vehicle width direction to the outside, the flap mounting member 26 on the side surface behind the vehicle body 11 is attached. A rear flap 25 is attached. The magnet storage case 17 has a rubber side flap 28 attached to a side flap attachment plate 27 provided at the other end in the longitudinal direction of the lower surface.

  The magnet unit 18 includes a permanent magnet (not shown). The magnet unit 18 is provided with a magnet unit-side pin insertion member 30 with which the leading end of the pull-out handle 29 and the retaining pin 23 are engaged. The retaining pin 23, the case-side pin insertion member 24, and the magnet unit-side pin insertion member 30 constitute a lock mechanism 31 that prevents the magnet unit 18 from coming off from the magnet housing case 17. Is inserted into the case side pin insertion member 24 and the magnet unit side pin insertion member 30 to fix the magnet unit 18 to the magnet housing case 17.

  As shown in FIGS. 5 and 6, the bracket 16 is provided with a holding portion 32 that holds the held member 21 of the metal piece collecting apparatus 1. The holding portion 32 is fixed to a fixed holding member 33 that is integrally formed with the bracket 16, a rotation holding member 35 that is pivotally supported by a rotation shaft 34 with respect to the bracket 16, and a rotation to the fixed holding member 33. An engaging / disengaging device 36 for fixing the holding member 35 is included. The fixed holding member 33 and the rotation holding member 35 are formed with recesses 33 a and 35 a for sandwiching the held member 21, and the fixed holding member 33 is provided with a hooking member 36 a for the engagement / disengagement device 36. The rotation holding member 33 is provided with a locking portion 36b of the engaging / disengaging device 36. The hooking member 36a is locked to the locking portion 36b and the rotation holding member 35 is attached to the fixed holding member 33. It is designed to be fixed. When holding the held member 21, the holding portion 32 is clamped via the vibration isolating member 20, so that the holding portion 32 is fixed between the bracket 16 and the magnet storage case 17 without rattling.

  When the road surface cleaning vehicle 2 cleans the running surface R, the magnet housing case 17 has the held member 21 held by the holding portion 32 and fixed to the brackets 15 and 16. When the road surface cleaning vehicle 2 starts cleaning, the dust collected by the side brush 5 is collected by the dust collecting device 10. At this time, dust is attracted to the suction duct 9 side, and a metal piece that cannot be sucked and collected by the dust collecting device 10 is left on the running surface R. The remaining metal piece is magnetically attracted by the magnet unit 18 and collected by the metal piece collection device 1. When an appropriate amount of metal pieces is collected in the metal piece collection device 1, the operator releases the engagement / disengagement device 36 and the holding portion 32 releases the magnet housing case 17. The operator grasps the handle 22 and puts the magnet storage case 17 in an arbitrary position where the magnet unit 18 can be pulled out, that is, from the metal piece collection position A as shown in FIG. 1, between the dust collection device 10, the rear wheel 4 and the vehicle body 11. Tilt to the metal piece removal position B of the gap to be formed. At the metal piece removal position B, when the magnet unit 18 is pulled out, there is nothing that interferes with the magnet unit 18, so the magnet unit 18 can be pulled out in the vehicle width direction. At the metal piece removal position B, the retaining pin 23 is pulled out from the case side pin insertion member 24 and the magnet unit side pin insertion member 30, and the magnet housing case 17 and the magnet unit 18 are fixed. When the magnet unit 18 is pulled out in the vehicle width direction, the metal pieces are prevented from moving by the side flaps 28 and the side flap mounting plates 27 and accumulated, and when the magnetic force of the magnetic unit 18 does not reach, the magnet storage case It falls from the lower surface of 17 and is removed from the metal piece collection device 1 and collected by an appropriate method.

It is explanatory drawing of the road surface cleaning vehicle provided with the metal piece collection | recovery apparatus of this invention. It is a perspective view which shows a dust collection | recovery apparatus and a metal piece collection | recovery apparatus. It is a perspective view of the metal piece collection | recovery apparatus which pulled out the magnet unit from the magnet storage case. It is a top view of a metal piece collection | recovery apparatus. It is a perspective view of the metal piece collection | recovery apparatus in a metal piece collection position. It is a perspective view of the state which inclined the metal piece collection | recovery apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Metal piece collection apparatus 2 Road surface cleaning car 3 Front wheel 4 Rear wheel 7 Pumping duct 9 Suction duct 11 Car body 17 Magnet storage case 17b, 17c Side surface 18 Magnet unit 19 Tilt means (ball link)
20 Anti-vibration member 21 Supported member 25 Rear flap 26 Flap mounting member 32 Holding part R Running surface

Claims (5)

The metal of a road sweeper that has a magnet storage case that houses a magnet unit on the vehicle body of a road sweeper that collects dust on the running surface, and that attracts metal pieces on the running surface by the magnetic adsorption action of the magnet unit. In the piece collection device, one end of the magnet storage case is provided on the vehicle body so as to be tiltable in an arbitrary direction via a tilting means, and the other end portion is detachably held on the vehicle body via a holding unit, and a magnet is provided in the magnet storage case. A magnet unit is provided that can be pulled out from the other end of the storage case in the vehicle width direction, and the magnet unit can be pulled out with the magnet storage case tilted to an arbitrary position with the tilting means as a fulcrum. Metal piece collection device for road sweepers. Between the front and rear wheels, a dust collecting device is installed that has a pressure-feed duct on one side in the vehicle width direction and a suction duct on the other side, and a magnet storage case is placed in front of the rear wheel on the suction duct side. The metal piece recovery device for a road sweeper according to claim 1, wherein 3. The metal piece collection device for a road cleaning vehicle according to claim 2, wherein a magnet storage case is provided on a rear wheel side surface of the dust collection device on the suction duct side. The metal piece of the road cleaning vehicle according to any one of claims 1 to 3, wherein a vibration isolating member is provided between the held member and the holding portion provided at the other end of the magnet storage case. Recovery device. Flap mounting members are provided on both sides of the magnet unit in the direction orthogonal to the pulling direction, and when the magnet storage case is arranged in the vehicle width direction, a rear flap is detachably provided on the side of the magnet storage case on the rear side of the vehicle body. The metal piece collection | recovery apparatus of the road sweeper of any one of Claim 1 to 4 characterized by the above-mentioned.

Images