JP3709478B2 - Suction collection device for granules, etc. - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to non-slip sand sprayed on a road surface in a snowy area where the snow is frozen or frozen, grains scattered at the time of transfer at a wharf, chips and particles (hereinafter referred to as granules, etc.) This relates to a suction collection device for removing particles and the like.
[0002]
[Prior art]
It has been widely practiced to prevent slipping of a vehicle by spraying sand on a snowy road surface or a frozen road surface. However, when the snow melts in the early spring and the road surface is exposed, a large amount of non-slip sand remains on the road surface. A part of this remaining non-slip sand flows into the drainage channel with melted snow water when the snow melts and with rainwater when it rains, but the remainder remains on the slope of the road surface, uneven parts, dredging, etc. In some cases, slippage of the vehicle is promoted during braking. Further, since the non-slip sand is polished between the tire and the road surface when the vehicle is started and braked, there is a problem that it becomes dust and pollutes the atmosphere.
[0003]
Conventionally, as a cleaning vehicle that cleans the road surface while traveling, for example, in Japanese Patent Application Laid-Open No. 9-71915, a water tank mounted on a vehicle, a high-pressure water generator for sending out water in the water tank at high pressure, A plurality of nozzles for injecting high-pressure water sent from the high-pressure water generator onto the road surface and collecting the garbage on the road in a certain direction, and a hopper that sucks up the collected garbage and mounts it on the vehicle A cleaning vehicle is disclosed which is adapted to be integrated therein. Japanese Utility Model Laid-Open No. 3-12914 discloses a self-propelled cleaning vehicle equipped with a transport device carrying a hopper, a garbage pickup hood, and a blower that sucks air from the hood and sends it to the hopper. There has been disclosed a cleaning vehicle including a comb-like rotating pickup device that is disposed on the front side of the device so as to be vertically movable and protrudes a tine that scrapes dust and the like in a hood.
[0004]
However, the above-described prior art is a vehicle that removes dirt on the road surface and cleans it, and sucks light dust and dirt, but does not have a purpose of collecting heavy sand such as non-slip sand. Therefore, even if it is possible to suck the non-slip sand, there is a problem that it is left unsucked and the efficiency is poor. For this reason, when the snow melts and the road surface dries, workers are currently collecting sand with bamboo fences, but the problem is that dust is trapped and unhealthy and inefficient There is.
[0005]
Also, grab buckets are used when transshipping grains such as soybeans, wheat, and corn at the wharf, or when transposing wood chips at a paper mill. There is a problem that, etc. fall and dirty the wharf and the site. Conventionally, since it is a problem in a workplace such as a wharf or in a factory, the current situation is that workers are collecting with bamboo baskets and the like, and there is a problem that work efficiency is poor.
[0006]
[Problems to be solved by the invention]
The present invention has been made in view of the above-mentioned disadvantages of the prior art. From the removal surface such as a granule such as a road surface sprayed with non-slip sand, a wharf where grain is scattered or a site of a paper mill where chips are scattered, etc. That can be efficiently recovered, can be reliably recovered without being affected by unevenness or inclination of the removal surface, and the collected particles are dumped or accumulated in a predetermined place It is another object of the present invention to provide a suction and recovery device for granules and the like that can be efficiently performed.
[0007]
[Means for Solving the Problems]
The means of the present invention configured to solve the above-described problems includes a collection box that is mounted on a front portion of a traveling vehicle and has a dropping opening that is closed by a lid that can open and close an upper opening , and the collection box and lifting means for performing the raising and tilting, it has a suction nozzle for sucking a particle and the like on grains such removal surface, vertically movable along said granular material such removal surface on the tip side of the collecting box A nozzle device provided, a suction pipe connected between the suction nozzle and the collection box, and a lid body of the collection box, and the granules from the suction nozzle through the suction pipe into the collection box And a suction device for sucking particles and the like, and the collection box is tilted by the elevating means so that the particles and the like accommodated therein are discharged from the drop opening .
[0008]
And it is good for the said collection | recovery box to provide the connection port part with an on-off valve for connecting an external suction pipe.
[0009]
The nozzle device may be divided and configured so as to freely move up and down along the particle removal surface .
[0010]
The outside of the suction nozzle may be surrounded by a nozzle shielding cover that is in sliding contact with the removal surface of the particles and the like.
[0011]
Further, it is preferable that a rotating brush is provided in front of the suction nozzle supported by the collection box.
[0012]
The lid may be provided so as to open the drop opening in conjunction with the tilting operation of the collection box.
[0013]
Further, the recovery box may be configured to be supported by the traveling body so as to be swingable in the left-right direction via a center pin.
[0014]
The traveling body may be a wheel loader, and the collection box may be tiltably supported by a lifting / lowering means of the wheel loader.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, as an embodiment of the present invention, an example of a suction and recovery device for road surface sand for recovering sand (hereinafter referred to as “spread sand”) applied to a road surface A to prevent slipping of a vehicle or the like will be described with reference to the drawings. Based on details. In the figure, 1 is a wheel loader as a traveling vehicle, 2 is lifting means provided on the front side of the wheel loader 1, the lifting means 2 is a lift arm 3, a bracket 4 fixed to the lift arm 3, Z link 5 pin-coupled to bracket 4 at an intermediate position, link 6 pin-coupled to the lower end side of Z link 5, hydraulic cylinder 7 pin-coupled between the upper end side of Z link 5 and wheel loader 1, It is composed of
[0016]
8 is a sand collection box supported by the elevating means 2, 9 is a box body for constituting the sand collection box 8 and for storing scattered sand, and the box body 9 is a substrate 9A formed in a substantially U shape. And the side plates 9B and 9B fixed to both sides of the substrate 9A, the upper opening is a sand drop opening 9C. Each side plate 9B is provided with a viewing window 10 located near the upper portion and closed with a transparent plate in order to check the amount of collected sand. Reference numerals 11 and 11 denote a pair of support rollers pivotally supported on the lower side of the box body 9 via a bracket 11A. Each support roller 11 holds the sand collection box 8 at a certain height with respect to the road surface A. It is. Reference numeral 12 denotes a cover plate that normally closes the sand throwing opening 9C. The cover plate 12 is formed with a suction hole 12A (not shown), and the inner peripheral edge is hermetically sealed with the box body 9. A rubber ring (not shown) is provided around the ring. The lid 12 has a rear end 12B that is pin-coupled to the rear of the upper end of the box body 9 so that the sand throwing opening 9C can be opened and closed.
[0017]
Reference numeral 13 denotes an inner nozzle device for sucking the scattered sand spread on the center side (inner side) of the road surface A. 14 is a movable support that constitutes the inner nozzle device 13 and supports a nozzle body 18 to be described later. The movable support 14 is a horizontally long support whose upper end is pivotally supported by the box body 9 via a shaft support 15. It comprises a substrate 14A and a front plate 14B that is fixed to the support substrate 14A and protrudes obliquely forward. Reference numeral 16 denotes a pair of road surface sliding plates erected at both ends of the movable support 14 to prevent the nozzle body 18 from biting the road surface A. Each of the road surface sliding plates 16 has a rear end side on the support substrate 14A. An interlocking pin 17 fixed to the front side plate 14B is fitted into a longitudinal guide hole 16A that is pivotally supported and drilled on the front end side. The road surface sliding plate 16 moves up and down along the minute unevenness of the road surface A within the length of the vertical guide hole 16A, and when the road surface A is greatly raised, the movable support is provided via the interlocking pin 17. The nozzle body 18 is protected by lifting 14 upward.
[0018]
Reference numerals 18, 18, and 18 denote nozzle bodies supported by the movable support 14, and each nozzle body 18 has a shape in which the proximal end side 18 </ b> A is formed in a cylindrical shape and the distal end side 18 </ b> B is formed in a horizontally long flat shape. Is fixed to the support substrate 14A.
[0019]
On the other hand, reference numeral 19 denotes an outer nozzle device for sucking scattered sand spread on the road shoulder side (outside) of the road surface A. The basic configuration of the outer nozzle device 19 is the same as that of the inner nozzle device 13, but is set narrower than that of the inner nozzle device 13. Reference numeral 20 denotes a movable support that constitutes the outer nozzle device 19, and the movable support 20 is also composed of a horizontally long support substrate 20A and a front plate 20B that protrudes obliquely forward. It is pivotally supported via a shaft support 21 so as to be rotatable.
[0020]
22 and 22 are a pair of road surface slide plates standing at both ends of the movable support 20, and each road surface slide plate 22 is supported by the support substrate 20A at the rear end side and is a longitudinal guide formed at the front end side. A guide pin 23 fixed to the front plate 20B is inserted into the hole 22A. The functions of the pair of road surface sliding plates 22 and 22 and the operations of the vertical guide holes 22A and the guide pins 23 are the same as those of the road surface sliding plate 16, the vertical guide holes 16A and the guide pins 17.
[0021]
24 and 24 are movable nozzle bodies supported by the movable support 20, and each movable nozzle body 24 has a base end side 24A formed in a cylindrical shape and a distal end side 24B formed in a horizontally long flat shape in the same manner as the nozzle body 18. It consists of a shape. The distal end side 24B of the nozzle body 24 is rotatably supported by a pair of arcuate guide plates 25, 25 fixed to the support substrate 20A in a substantially C shape, and the nozzle body 24 is in the left-right direction of the road surface A. It is made to rotate along the inclination of the.
[0022]
26, 26,... Are suction pipes each having a distal end side 26A connected to each nozzle body 18 of the inner nozzle device 13 and each nozzle body 24 of the outer nozzle device 19, respectively. , 24 is used to absorb the vertical swing. Further, a swivel joint 27 is interposed between the nozzle bodies 24, 24 and the suction pipes 26, 26 so that the nozzle body 24 can rotate. And each suction pipe 26 is connected to the connection port portions 28, 28,... Provided on the base end side 26 </ b> B on the upper side of the box body 9.
[0023]
Further, 29 is a connection port portion with an on / off valve provided on the upper side of the box body 9 in the same manner as the other connection port portion 28, and the connection port portion 29 with the on / off valve is for connecting the external suction pipe 30. is there. The external suction pipe 30 is provided with a nozzle 30A at the tip thereof, and is operated while being supported by an operator by hand in order to suck the scattered sand that has not been sucked by the nozzle body 18 because it stays in the recess of the road surface A, for example. To do.
[0024]
Reference numeral 31 denotes a rotating brush device mounted on the inner nozzle device 13. The rotating brush device 31 has a rotating shaft 32 pivotally supported by the road surface sliding plates 16, 16 at both ends and an outer periphery of the rotating shaft 32. The brush body 33, a toothed pulley 34 fitted to one end of the rotary shaft 32, a drive motor 35 such as an electric motor, a hydraulic motor, and an air turbine mounted on the movable support 14, and the drive motor 35 The drive pulley 36 and the drive belt 37 wound between the toothed pulley 34 are configured. Then, the rotating brush device 31 having the above-described configuration acts to scrape scattered sand on the road surface A toward the nozzle main body 18 side, to act to make it easy to be sucked by moving sand having a large particle diameter, or to the road surface A. By performing the action of peeling the adhered sand in the attached state, the sprayed sand is more reliably sucked by the nozzle body 18.
[0025]
In the present embodiment, the rotating brush device 31 is mounted on the inner nozzle device 13, but the rotating brush device may be mounted on the outer nozzle device 19.
[0026]
Further, 38 and 39 are nozzle shielding covers made of an elastic material such as rubber, which are provided on the outer edges of the movable supports 14 and 20 so as to surround the nozzle body 18 and the rotating nozzle body 24, respectively. The nozzle shielding covers 38 and 39 are brought into a negative pressure state as much as possible by having the lower end side slidably contact with the removal surface A of the particles and the like to block the periphery of the nozzle body 18 and turn 24 from the outside. The purpose is to further enhance the suction effect of the rotating nozzle body 24.
[0027]
Reference numeral 40 denotes a suction device for sucking sand into the sand collection box 8 from the nozzle bodies 18 and 24 through the suction pipes 26. The suction device 38 is an electric or hydraulic blower 40A mounted on the lid 12 of the sand recovery box 8 so as to face the suction hole 12A. Filter 40B for preventing inhalation of sprayed sand into 40A, and filter 40B and connection port 28 for preventing sprayed sand from being directly sucked into the filter 40B from connection port 28, 29. 29, a baffle plate 40C for guiding the scattered sand downward in the box body 9, a cover 40D covering the blower 40A, and an exhaust cylinder 40E protruding from the cover 40D. is there.
[0028]
The suction device 40 does not necessarily have to be mounted on the lid body 12, but by configuring in this way, the lid body 12 has an advantage of serving as a weight for sealing the sand drop opening 9 </ b> C of the box body 9. .
[0029]
The road surface sand suction and recovery apparatus according to the present embodiment has the above-described configuration, and the operation thereof will be described next. The elevating means 2 is lowered, and the support rollers 11 and 11 are brought into contact with the road surface A so that the sand collection box 8 is set to a predetermined height. In this state, the blower 40A of the suction device 40 is started and the wheel loader 1 travels. The inner and outer nozzle devices 13 and 19 are supported by the road surface sliding plates 16, 16, 22, and 22 and move up and down according to the road surface A condition. The nozzle body 18 and the rotating nozzle body 24 are connected to the road surface A. Aspirate the applied sand while maintaining a state close to The sucked spray sand is collected in the box body 9 through the suction pipe 26. In this case, the baffle sand is prevented from being directly sucked into the blower 40 </ b> A by providing the baffle plate 40 </ b> C in the box body 9 and guiding the sucked sand to be sucked downward.
[0030]
After confirming that the corresponding sprayed sand is accommodated in the box main body 9 with the observation window 11, it travels to the dumping site or the dump truck, lifts the sand collecting box 8 by the lifting means 2, and reduces the hydraulic cylinder 7. By projecting the link 6 forward, the box body 9 is tilted forward as shown in FIG. When the box body 9 is tilted by 90 degrees or more, the suction device 40 becomes a weight and the lid body 12 tends to be in a vertical state, so that the box body 9 is separated from the box body 9 and the sand dropping port 9C is opened, thereby spreading sand. Can be dumped as shown.
[0031]
As described above, according to the present embodiment, it is possible to automatically open the lid 12 by simply tilting the sand collection box 8 by the lifting / lowering means 2 and to discharge the scattered sand from the box body 9. Because it is possible, it is extremely efficient.
[0032]
In the present embodiment, the sand collection box 8 is directly connected to the lifting / lowering means 2, but the sand collection box 8 may be configured to be tiltable via a center pin. By comprising in this way, the collection | recovery efficiency of scattered sand can be improved by making the inner and outer nozzle devices 13 and 19 follow the slope of the road surface A.
[0033]
Further, in this embodiment, the wheel loader 1 is used for the traveling body and the road surface sand sucking and collecting device is mounted on the front side of the wheel loader 1. A suction recovery device such as granules may be mounted on the part.
[0034]
Furthermore, the suction and recovery device for particles and the like according to the present invention may be used for suction and recovery of other particles such as grains and wood chips as well as the above-described recovery of sprayed sand. The maximum length of the chip is about 30 mm, and the shape is larger than that of grain. However, since the specific gravity is small, the chip is suitable as an object to be sucked and collected. Moreover, it is good to design the opening area and opening cross-sectional shape of a nozzle main body so that it may be optimal for attraction | suction according to the target object to attract.
[0035]
【The invention's effect】
Since the present invention is configured as described in detail above, the following effects can be obtained.
(1) collection box is mounted on a front portion of the traveling body, because allowed raised and tilted rolling by the lifting means, facilitate the checking confirmation and recovery of the working state of sucking recovering the granules or the like by the suction device In addition, it is possible to easily carry out the loading operation from the collection box to the truck or the like in the operation of discharging the collected particles and the like.
( 2 ) Since the collection box has a dropping port that opens upward, the particles to be accommodated by tilting by the lifting means and directing the dropping port downward so that the wheel loader discharges from the bucket. Etc. can be discharged quickly. In addition, since the lid body is rotated only by tilting the box body to open the drop opening, it is possible to easily and quickly dump the particles contained in the box body. .
( 3 ) Since the suction device is provided on the lid body, the lid body serves as a weight for sealing the sand drop opening of the box body, and the capacity of the collection box can be secured.
( 4 ) Since the particles are sucked by the nozzle device moving along the removal surface such as the road surface by the traveling body and stored in the collection box, the particles and the like are reliably and efficiently recovered. it can be, it is possible to achieve a reduction of personnel expenses from can greatly reduce the number of workers.
( 5 ) Since the nozzle device is configured such that the nozzle device can be moved up and down along the removal surface of the granule, etc., for example, when collecting scattered sand on the road surface, even on the shoulder side where the inclination angle is different from the central side The sprayed sand can be sucked reliably.
( 6 ) Since the outside of the suction nozzle is shielded from the outside by the nozzle shielding cover, the periphery of the suction nozzle can be brought into a negative pressure state, and the suction effect can be further enhanced.
( 7 ) Since the collection box can be tilted to the traveling body via the center pin so that the nozzle device can be accurately followed by the inclination of the road surface, the collection efficiency of the particles and the like can be improved.
( 8 ) By using a wheel loader for the traveling body and having the recovery box supported by the lifting / lowering means of the wheel loader, the recovery operation can be performed in a small turn according to the work environment such as road conditions. In addition, it is possible to easily perform the operation of dumping the particles collected in the collection box. Further, since the suction recovery device can be used by being attached to and removed from the lifting means as an attachment, the wheel loader used for other work can be effectively used.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a side view of a road load sand suction / collection device mounted on a wheel loader according to an embodiment of the present invention.
FIG. 2 is a front view of a road surface sand sucking and collecting device.
FIG. 3 is a rear view of the road surface sand sucking and collecting device.
FIG. 4 is a partially enlarged view of the road surface sand suction / collection device as viewed from the front.
FIG. 5 is a partial left side view of the suction and recovery device for road surface scattered sand.
6 is an enlarged end view in the direction of arrows VI-VI in FIG. 4;
7 is an enlarged end view in the direction of arrow VII-VII in FIG. 4;
FIG. 8 is a front view of a movable nozzle body.
FIG. 9 is an explanatory diagram showing an operation of tilting the collection box and dropping the scattered sand.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wheel loader 2 Lifting means 8 Sand collection box 9 Box main body 12 Cover body 13 Inner nozzle device 18 Nozzle main body 19 Outer nozzle device 24 Movable nozzle main body 26 Suction pipe 29 Connection port part 30 with an on-off valve External suction pipe 31 Rotating brush apparatus 40 Suction device

Claims (8)

A recovery box mounted on the front part of the traveling vehicle and having a drop opening closed by a lid body whose upper opening is openable and closable, elevating means for raising and lowering the recovery box, and on the removal surface of the particles, etc. of having a suction nozzle for sucking a particle and the like, a nozzle device provided vertically movable along said granular material such removal surface on the tip side of the collection box, between the collection box and the suction nozzle a suction tube connected, the mounted on the lid of the collection box, and a suction device through the suction pipe for sucking the granules or the like within the recovery box from the suction nozzle, by the lifting means An apparatus for sucking and collecting particles and the like configured to tilt the collection box and discharge the particles and the like housed inside from the drop port . The suction collection device for a granular material or the like according to claim 1, wherein the collection box is provided with a connection port portion with an on-off valve for connecting an external suction pipe. 2. The apparatus for sucking and collecting particles and the like according to claim 1, wherein the nozzle device is divided so as to freely move up and down along the particle and the like removal surface. 2. The apparatus for sucking and collecting particles and the like according to claim 1, wherein the outside of the suction nozzle is surrounded by a nozzle shielding cover that is in sliding contact with the removal surface of the particles and the like. The suction recovery apparatus for a granular material or the like according to claim 1, wherein a rotary brush is provided in front of the suction nozzle so as to be supported by the recovery box. The suction and recovery device for a granular material or the like according to claim 1, wherein the lid body is provided so as to open a drop opening in conjunction with a tilting operation of the recovery box. 2. The apparatus for sucking and collecting particles and the like according to claim 1, wherein the collection box is supported by the traveling body through a center pin so as to be swingable in the left-right direction. 2. The suction collection device for granular materials according to claim 1, wherein the traveling body is a wheel loader, and the collection box is supported by an elevating means of the wheel loader so as to be tiltable.

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