JP2011038304A - Side ditch cleaning device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a side ditch cleaning device capable of cleaning a side ditch on a road side face simply without removing a lid of the side ditch, collecting a large amount of sediment out of the side ditch without using water efficiently, letting action for scraping out deposit in the side ditch function as a means for causing its self-running in the side ditch, achieving excellent efficiency, and simplifying its structure. <P>SOLUTION: A ground running vehicle provided with a collection container for storing collected sediment has a hangar for storing a running body 22 running inside the side ditch, which is payed out from the hangar together with a hose 18 and is introduced into the side ditch G when cleaning the side ditch. The running body 22 running inside the side ditch includes a rotary excavation implement 26, which makes the running body 22 inside the side ditch run by itself in the inside of the side ditch G while scraping out the sediment deposited on a bottom face of the side ditch G. The thus scraped-out sediment is collected into the collection container in the ground running vehicle through the payed-out hose 18. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a gutter cleaning device capable of cleaning a gutter on a road side surface without removing a gutter lid.

  As a side groove cleaning vehicle for cleaning the side groove without removing the side groove lid, a vehicle equipped with a recovery unit that recovers earth and sand while running in the side groove is known (Patent Documents 1 to 3). In Patent Document 1, the traveling unit (collecting unit) includes a brush unit, and the earth and sand are swept away by rotation of the brush unit, and the swept away earth and sand are held in a tank unit provided in the traveling unit.

  In Patent Document 2, the cleaning device (recovery unit) moves on the bottom surface of the side groove while being floated by jetting obliquely below the high pressure water fed from the water supply hose, and the sludge accumulated on the bottom surface of the side groove is pushed out and removed.

In Patent Document 3, the traveling machine frame (recovery unit) includes a traveling wheel and a rotational drive motor for the traveling wheel, and is capable of self-propelling the side groove, and a scraping brush is provided on the front surface of the traveling machine frame. It is sucked and transferred to the tank in the vacuum car through the discharge pipe under the suction scraped by the brush.
JP 2003-184169 A Japanese Patent Laid-Open No. 2002-213015 JP-A-9-250167

  The conventional technology of Patent Document 1 can sweep and collect earth and sand with a self-propelled collection unit without removing the side groove lid, but the swept earth and sand is held in a tank unit provided in the traveling unit. The collection unit is of a size that can travel in the side groove, so that the amount of earth and sand that can be retained is greatly limited. In the technique of Patent Document 2, self-running of the recovery unit is performed by water pressure. Since the recovery of earth and sand depends on the water pressure, water is mixed in the recovered earth and sand, and the earth and sand mixed with water is a waste. Since it is handled, there is a problem that the processing cost increases. Also, if sludge is blown forward, the earth and sand gradually become bulky and cannot move forward, and the apparatus is carried in and the cleaning hose is set from the front, which makes it impossible to insert this hose. The technique of the cited document 3 is to collect the earth and sand by the mechanical action of the scraping brush while running the collection unit, and sucking and transferring it to the tank in the vacuum car on the ground, and a large amount of processing is possible. Moreover, the earth and sand can be collected in a dry state, and the collected earth and sand is not treated as waste, and can be recycled as a landfill material at a construction site or the like. However, the scraping brush is installed on the front side and does not have a self-propelled ability, so it is necessary to install a dedicated traveling wheel and a rotation drive motor for it to run the recovery part, and the power efficiency deteriorates accordingly, and the structure becomes complicated Is inevitable. Further, in this method, the driving force for drawing the hose's own weight cannot be obtained, and there is a limit to relying only on the traveling force of the wheel, and the pressing wheel portion is a place where the brush is not cleaned and cannot be pressed. Moreover, although it is common to cited documents 1-3, there is no description about how the apparatus is carried in and how to carry it, which is not realistic.

  The present invention solves such problems of the prior art, enables efficient large-scale collection of sediment from the side groove without using water, and the scraping action of the sediment in the side groove is directly in the side groove. It is possible to function as a means for inducing self-running, and aims to be efficient and structurally simple.

A gutter cleaning device for cleaning deposits in a gutter according to the present invention travels along the gutter along the bottom surface, scrapes off the earth and sand collected in the gutter and has a ground traveling vehicle equipped with a collected sediment collection container. In order to transport the collected earth and sand under suction to the accumulation section of the ground traveling vehicle by connecting the lateral groove internal traveling body that is self-propelled inside the side groove while taking, the side groove internal traveling body and the accumulation container of the ground traveling vehicle. A hose that is substantially rigid in the longitudinal direction and has a flexibility in the lateral direction, and a drive means that drives the flexible hose to feed and retract the flexible hose, The lateral groove internal traveling body is provided with an excavator for making the lateral groove internal traveling body self-propelled inside the lateral groove while scraping the sediment accumulated on the bottom surface of the lateral groove.
The driving means includes a pair of elastic rollers arranged across the flexible hose, and the elastic roller is a flexible body that is rigid in the longitudinal direction by rotating while sandwiching the flexible hose according to internal pressure. The sex hose can be fed out and pulled back.

  The excavator may include a central axis extending in a direction substantially parallel to the width of the side groove, and a plurality of excavating members spaced from the central axis along the axial direction.

  The traveling carriage is provided with a storage portion for storing the lateral groove internal traveling body on the traveling carriage at a normal time, and the lateral groove internal traveling body is drawn out from the storage portion toward the lateral groove during cleaning.

  The storage section includes a lifting / lowering means for the lateral groove internal running body and a guide means for the flexible hose at the time of feeding and winding, and the guide means can be constituted by a series of guide rollers such as a drum shape.

  The lateral groove internal traveling body includes a vibration exciter in the vehicle body, and the frictional resistance can be eliminated by exciting the entire lateral groove internal traveling body when the lateral groove internal traveling body is stuck in the lateral groove.

  It is provided with a bending / extension support means for switching and supporting the lateral groove inner traveling body between a straight state and a bent state, and can be freely inserted into and extracted from the water collecting trough.

  The gutter cleaning apparatus for cleaning deposits in a gutter according to the present invention is provided with an earth and sand accumulation container and a gutter internal running body in a ground traveling vehicle, and the gutter inner running body is formed by a flexible hose and an earth and sand accumulation container. It is connected, and comprises flexible hose driving means for extending and retracting the flexible hose by being composed of an internal pressure variable type elastic roller or the like, and the side groove internal traveling body is earth and sand deposited on the bottom surface of the side groove It is equipped with an excavator for scraping the inside of the side groove and allowing it to self-run in the side groove, so that the hose, which is a rigid body in the longitudinal direction, is allowed to run inside the side groove and run inside the side groove. By manually feeding or pulling back, the soil is efficiently scraped off at any position inside the side groove where the flexible hose can reach, and the soil that has been scraped is then removed from the flexible hose. Be recovered in the suction type integrated container on the ground vehicle can effect that enables efficient mass recovery of sediment from gutters without using water is exerted by.

FIG. 1 is a schematic perspective view showing a conceptual configuration of a gutter cleaning device of the present invention mounted on a traveling vehicle. FIG. 2 is a perspective view schematically showing a side groove cleaning operation by the side groove cleaning device of the present invention. FIG. 3 is a schematic cross-sectional view of a mechanism (hose driving means) for extending and retracting the flexible hose by a pair of elastic rollers. FIG. 4 is a plan view of the mechanism of FIG. FIG. 5 is a front view of the gutter cleaning device according to the embodiment of the present invention, which is shown in a retracted state in a traveling vehicle. FIG. 6 is a side view of the gutter cleaning device according to the first embodiment of the present invention in the retracted state (viewed from the direction of arrow VI in FIG. 5). FIG. 7 is a plan view of the gutter cleaning device according to the first embodiment of the present invention in the retracted state (viewed from the direction of arrow V in FIG. 6). FIG. 8 is a plan view of the lateral groove internal traveling body 22 in the lateral groove cleaning device according to the first embodiment of the present invention. FIG. 9 is a front view of the lateral groove internal traveling body 22 in FIG. 8 (an arrow view seen from the IX direction in FIG. 8). 10 is a side view of the lateral groove internal traveling body 22 in FIG. 8 (an arrow view seen from the X direction in FIG. 8). FIG. 11 is a rear view of the lateral groove internal traveling body 22 in FIG. 8 (an arrow view seen from the XI direction in FIG. 8). FIG. 12 is a front view of the gutter cleaning device according to the first embodiment of the present invention, similar to FIG. 5, and shows the gutter internal traveling body 22 in a straight state. FIG. 13 is a side view of the gutter cleaning device according to the first embodiment of the present invention (as viewed in the direction of the arrow XIII in FIG. 12), as in FIG. It is shown. FIG. 13 is the same as FIG. 7 but is a plan view of the gutter cleaning device according to the first embodiment of the present invention in a straight state (viewed from the XIV direction in FIG. 12). FIG. 15 is a front view of the lateral groove cleaning device according to the first embodiment of the present invention in a bent state of the lateral groove internal traveling body 22. FIG. 16 is a side view of the gutter cleaning device according to the first embodiment of the present invention (as viewed from the XVI direction in FIG. 15), and the side gutter internal traveling body is extended into the gutter by bending. Is shown. FIG. 17 is a front view of the lateral groove cleaning device according to the first embodiment of the present invention in the extended state of the lateral groove internal traveling body 22 of FIG. 15 (viewed from the direction of arrow XVII in FIG. 16). FIG. 18 is a plan view of a lateral groove internal traveling body in the lateral groove cleaning apparatus according to the second embodiment of the present invention. FIG. 19 is a front view of the lateral groove internal traveling body of FIG. 18 (an arrow view seen from the XIX direction of FIG. 18). 20 is a side view of the traveling body inside the lateral groove in FIG. 18 (an arrow view as viewed from the XX direction in FIG. 18). 21 is a rear view of the lateral groove internal traveling body 22 of FIG. 18 (an arrow view as viewed from the XXI direction of FIG. 18).

  FIG. 1 is a perspective view schematically showing a side groove cleaning device so that the overall image of the side groove cleaning device of the present invention can be easily grasped. A ground traveling vehicle 10 (wheels are indicated by 11) moves along the side groove. It has a function of removing the earth and sand from the side groove with the side groove cover attached and accumulating the removed earth and sand. On the vehicle body 12 of the ground traveling vehicle 10, a sediment collection container (tank) 14 for collecting sediment collected from the side groove, a sediment suction machine 16 provided upstream of the sediment collection container 14, and a bellows for transporting sediment. And a flexible hose 18, a pair of elastic rollers 19A and 19B (hose driving means of the present invention) with variable internal pressure for feeding and retracting the flexible hose 18, and a hose winding drum 20 ( The holding part of the flexible hose of the present invention, which is self-propelled along the side groove, scrapes and sucks earth and sand, and stores the side groove internal traveling body 22 and the side groove internal traveling body 22 at the normal time on the vehicle body for cleaning. An elevating type storage (storage unit) 24 is provided that feeds the side groove internal traveling body 22 together with the hose 18 and introduces it into the side groove. The lateral groove internal traveling body 22 includes an excavation tool 26 and a suction port 28. FIG. 2 schematically illustrates the side groove cleaning operation. The side groove inner traveling body 22 is lowered from the hangar 24, and the side groove G having a U cross-sectional shape with the side groove cover attached from the water collecting trough (FIG. 2 is for simplicity). The side groove lid is not shown but the side groove lid is still attached), and the flexible hose is fed out by the forward rotation of the elastic rollers 19A and 19B, and at the same time, the excavator 26 is driven to rotate forward. As a result, the excavator 26 scrapes the earth and sand S accumulated in the side groove, while the side groove internal traveling body 22 is caused to self-travel along the longitudinal direction in the side groove G, and the earth and sand are sucked by the suction port 28 and the hose 18. Further, it is collected and accumulated in the earth and sand accumulation container 14 via the earth and sand suction machine 16 on the ground traveling vehicle 10. As the side groove internal running body 22 runs along the inside of the side groove, the hose 18 is fed out from the drum 20 by the forward rotation of the elastic rollers 19A, 19B. Therefore, it is possible to clean the side groove corresponding to the length of the hose 18 that can be fed from the drum 20 to the side groove while the ground traveling vehicle 10 is stopped at that position, with the side groove cover attached. The hose 10 is pulled back by the backward rotation of the elastic rollers 19A and 19B, and the lateral groove internal traveling body 22 moves backward.

  In this invention, the hose 18 is reinforced with a metal or synthetic resin reinforcing material over its entire length and is substantially rigid in the longitudinal direction, and substantially in the longitudinal direction by the elastic rollers 19A and 19B. The hose 18 can be extended and pulled back without buckling. However, it can be bent with a relatively large R in the bending direction, and it has flexibility in this sense, and the hose is bent as much as necessary from the opening part of the water collecting tank or the like into the side groove. Can be done. Further, the driving method of the flexible hose 18 by the elastic rollers 19A and 19B will be further described with reference to FIGS. 3 and 4. This driving method is proposed as a driving method of an electric cable in Japanese Patent Laid-Open No. 06-153355. The elastic rollers 19A and 19B are formed in a substantially spherical body with an elastic material such as rubber, and the internal pressure of the spherical body can be adjusted. The rotating shafts 19A-1 and 19B-1 of the elastic rollers 19A and 19B are rotated in opposite directions by meshing gears 19A-2 and 19B-2, and the elastic roller 19A is driven by a drive motor 19 capable of reversible rotation speed control by an inverter system or the like. , 19B is driven to rotate. The flexible hose 19 is sandwiched between the elastic rollers 19A and 19B. The hose 18 is switched between feeding and retracting according to the rotation direction of the motor 19, and the internal pressure of the elastic rollers 19A and 19B is appropriately adjusted. The elastic roller 19A, 19B is appropriately deformed at the contact portion with respect to the hose 18 so that early damage due to wear or the like on the hose can be avoided and the hose can be extended or retracted as desired. It can be carried out.

  The configuration of the first embodiment of the side groove cleaning device of the present invention will be described in detail. The first embodiment is intended for cleaning a U-shaped side groove, and FIGS. As shown in FIG. 5, the hangar 24 includes a vertical frame 30 that is fixed upright to the vehicle body 12, and the vertical frame 30 is provided with a lifting roller 32 on both upper and lower guide rollers 33 (see FIG. 5). 6). The chain 34 is fixed to the elevating body 32 and wound around the upper and lower sprockets 36, 38, and the rotation shaft of the lower sprocket 38 is connected to the rotation shaft of the rotation drive motor 40 (FIG. 5). Therefore, the elevating body 32 is moved up and down along the vertical frame 30 by the rotational drive of the rotation drive motor 40. In FIG. 5, the solid line of the lifting body 32 indicates the highest position of the lifting body 32, and the broken line 32 ′ indicates the lowest position. The elevating means for the traveling body inside the side groove according to the present invention includes the vertical frame 30, the elevating body 32, the guide roller 33, the chain 34, and the rotation drive motor 40.

  As shown in FIG. 5, the elevating body 32 can be expanded and contracted in the horizontal direction by a nested structure composed of an external main body 32-1 and an internal main body 32-2. In the retracted state of FIG. Housed in one. A hydraulic cylinder 41 (FIG. 7) is disposed between the outer main body 32-1 and the inner main body 32-2. In FIGS. 5 and 7, the piston rod of the hydraulic cylinder 41 is in a contracted state, and the side groove internal traveling body 22 is As shown in FIG. 5, the vehicle is located closest to the side surface of the vehicle body 12. By extending the piston rod, the inner body 32-2 is popped out from the outer body 32-1, and the side groove inner traveling body 22 can be positioned so as to be separated from the vehicle body (FIGS. 12 and 14 described later are pistons). (Shows the extended state of rod 41-1). In addition, the chain 34 is fixed to the outer frame of the elevating body 32, and the external main body 32-1 is configured to be movable in the horizontal direction with respect to the outer frame. A configuration that allows a large amount of movement, which is the sum of the amount of movement and the amount of movement of the internal main body 32-2, to be obtained is also arbitrary. A vertical support frame 42 for supporting the hose 18 and the side groove internal traveling body 22 is suspended is fixed to the end of the internal body 32-2 of the elevating body 32, and a drum-shaped hose guide roller 44 is provided on the vertical support frame 42. A plurality of pairs are provided apart from each other in the vertical direction, which is the hose path. The drum-shaped hose guide roller 44 on the vertical support frame 42 constitutes the flexible hose guide means of the present invention. The hose 18 is sandwiched between the hose guide rollers 44 for feeding and winding (see also FIG. 1). As shown in FIG. 5, the hose 18 from the hose winding drum 20 (FIG. 1) is guided on both sides by a hose guide roller 44 and extends from the top to the bottom as shown in FIG. It extends to the suction port 28 (see FIG. 6). As described above, the side groove cleaning device is in the retracted state in the ground traveling vehicle 10 in FIGS. 5 to 7, and in this retracted state, the lateral groove internal traveling body 22 is somewhat of the vehicle body 12 as shown in FIG. The upper position is bent and held in a horizontal posture. A mechanism for holding the lateral groove internal traveling body 22 in a horizontal position will be described. As shown in FIG. 6, the lateral groove internal traveling body is composed of a hydraulic cylinder 46 and a support arm 48, and supports the lateral groove internal traveling body in a straight state and a bent state. The upper and lower ends of the hydraulic cylinder 46 and the support arm 48 are pivotally attached to the support frame 42, and the lower ends are pivotally attached to the support housing 50 for the lateral groove inner traveling body 22. In the retracted state, as shown in FIG. 6, the piston rod 46-1 of the hydraulic cylinder 46 is contracted, the support housing 50 takes a horizontal posture, and the rear end extension 28-1 of the suction port 28 is placed in the support housing 50. Is stored, and the lateral groove internal traveling body 22 ensures a horizontal posture.

The support housing 50 also functions as a support for the elastic rollers 19A and 19B described with reference to FIGS. 1 to 4 and is shown only in a simplified manner in FIGS. 4, the hose 18 is sandwiched between elastic rollers 19A and 19B as schematically shown in FIG. 7, and the hose 18 is extended or retracted by the rotation of the output shaft of the motor 19-3 in FIG. Can be done freely

  8 to 11 show the detailed configuration of the lateral groove internal traveling body 22, the suction port 28 is connected to the support housing 50 (see also FIG. 1) at the rear end, and the rear end of the support housing 50 opens to the hose 18. The earth and sand sucked from the suction port 28 can be sucked into the hose 18 through the support housing 50. A rotary drive motor 51 is provided on the upper surface of the suction port 28 so as to be accommodated in the motor housing 52, and the drive shaft of the rotary drive motor 51 is connected to the intermediate shaft 56 via bevel gears 53, 54. The excavator 26 is connected to the excavator 26 via the sprocket 57, the chain 58 and the sprocket 57 '(FIG. 10). The earth and sand are scraped off by the rotation of the excavator 26, and at the same time, the lateral groove internal traveling body 22 is caused to self-propell along the lateral groove. In order to facilitate the self-running of the lateral groove internal running body 22 in the lateral groove, guide rods 58 project laterally from the support housing 50 on both sides (see FIG. 8), and a guide member is provided at the free end of the guide rod 58. 60 is provided. In the guide rods 58 projecting on both sides, the distance between the guide members 60 is appropriate so that smooth movement is not hindered while guiding along the side groove of the side groove inner traveling body 22 with respect to the width of the side groove G as shown in FIG. Set to

  The excavator 26 is positioned in front of the suction port 28 and close to the open end 28A of the suction port 28 as shown in FIG. 8, and the excavator 26 is substantially equal to the width of the side groove as shown in FIG. And a plurality of excavation blades (excavation members) 64 extending in the radial direction at appropriate intervals along the axial direction with respect to the central axis 62, and each excavation member 64 rotates. An engagement portion 64-1 (FIG. 10) is provided that is bent rearward in the rotational direction so as to engage with the deposit in the side groove at the front in the direction. In order to facilitate the self-propelling of the lateral groove internal traveling body 22 by the excavator 26, the excavating blades 64 are sequentially displaced along the axial direction at an angle of 90 degrees in the circumferential direction. The rotation of the excavator 26 is downward as indicated by an arrow f in FIG. 10, and the tip engaging portion 64-1 of the excavation blade 64 bites into the earth and sand accumulated on the bottom surface of the side groove by such rotation and scrapes the earth and sand. The side groove internal running body 22 is caused to self-run forward as indicated by an arrow g in FIG. At the same time, the elastic rollers 19A and 19B are rotated forward by the motor 19-3, whereby the hose 18 sandwiched between the elastic rollers 19A and 19B is fed out, and the self-running of the excavator 26 and the cooperation of the feeding of the hose 18 are performed. Scraping of earth and sand progresses efficiently.

  In FIG. 8, a vibration exciter 66 is provided in the motor housing 52 adjacent to the rotary drive motor 51. When the excavator 26 is stuck due to frictional resistance caused by the excavation tool 26 biting into the sediment while the lateral groove internal traveling body 22 is self-propelled inside the lateral groove, and the smooth motion cannot be obtained, the exciter 66 is moved to the lateral groove internal traveling body 22. By vibrating the whole, the frictional resistance is cut off, and the self-running of the lateral groove internal running body 22 is continued.

  The operation of the side groove cleaning device of the present invention will be described with reference to FIGS. 12 to 17. When the side groove cleaning device is stored, the side groove cleaning device is stored in the traveling vehicle as shown in FIGS. It is carried by the traveling vehicle 10 to the side groove portion. Needless to say, in this retracted state, the vehicle width, the minimum ground height, and the maximum vehicle height conforming to the Vehicle Law are ensured. Steel grids (installed at appropriate intervals in the side grooves as is well known) are removed from the drainage troughs etc. in the side grooves for cleaning. The piston rod 41-1 of the hydraulic cylinder 41 in FIG. 7 is expanded by the hydraulic pressure from the hydraulic source branched from the hydraulic device provided in the cleaning vehicle, and the internal body 32-2 in the lifting body 32 is moved from the external body 32-1. FIG. 12 and FIG. 14 show a state in which the piston rod 41-1 extends from the contracted state of FIG. 7 and FIG. The lateral groove internal traveling body 22 provided at the lower end of the support frame 42 suspended from the main body 32-2 is laterally moved to a position aligned with the upper position of the lateral groove G. If the amount of movement of the side groove internal running body 22 is insufficient to align the side groove internal running body 22 with the upper position of the side groove G, the outer body 32-1 itself can be moved laterally with respect to its outer frame. It is also possible to increase the amount of movement. On the other hand, the piston rod 46-1 of the hydraulic cylinder 46 is extended on the traveling vehicle side, and the hydraulic cylinder 46 and the support arm 48 are rotated downward to the vertical state as indicated by an arrow h in FIG. FIG. 13 shows a state where the piston rod 46-1 of the hydraulic cylinder 46 is fully extended (straight state). The rotation of the rotary drive motor 40 lowers the lifting body 32 from the uppermost position in FIG. 5 toward the lowermost position as shown in FIGS. 12 and 13 via the chain 34. As the elevating body 32 descends, the side groove internal traveling body 22 is introduced into the side groove G having a U-shaped cross section as shown in FIG. 12 at a position where the steel grid is removed while being guided by the guide members 60 on both sides in a vertical posture. Then, the excavator 26 is engaged with the earth and sand accumulated on the bottom surface of the gutter G. At the same time, the hose 18 is also fed out by the appropriate forward rotation of the elastic rollers 19A, 19B. Then, as described with reference to FIG. 10, the rotation of the output shaft of the rotation drive motor 51 is transmitted to the excavator 26 through the gears 53 and 54, the sprocket 57, the chain 58 and the sprocket 57 ′. The excavation tool 26 is rotated downward as indicated by the arrow f while maintaining the vertical posture, and the sediment accumulated on the bottom surface of the side groove G is scraped off by the rotation of the excavation tool 26. The scraped earth and sand are sucked through the suction port 28 and the hose 18 and collected in a sand accumulation container (shown at 14 in the schematic diagram of FIG. 1) of the ground vehicle.

  After the earth and sand accumulated on the bottom surface of the side groove G are scraped off at the site where the steel grid is removed, the direction of the hydraulic pressure introduction to the hydraulic cylinder 46 is switched, the piston rod 46-1 contracts, and the inside of the side groove runs. The body 22 changes its posture from a vertical posture (FIGS. 12 to 14) in the lateral groove G to a horizontal posture (FIGS. 15 to 17). At this time, by appropriately raising and lowering the elevating body 32, it is possible to prevent the side groove internal traveling body 22 that changes its posture from the vertical posture to the horizontal posture from interfering with the wall surface of the side groove G. The hose 18 is flexible in the bending direction, and can follow the posture change of the elevating body 32 from the vertical posture to the horizontal posture. Then, the excavator 26 is rotated downward (arrow f in FIG. 16) by driving the rotation drive motor 51 while applying rotation to the elastic rollers 19A and 19B in the hose feed-out direction, and from the hose by rotation of the elastic rollers 19A and 19B. The soil accumulated on the bottom surface of the side groove G is scraped off by the rotation of the excavating tool 26 under the forward force applied to the excavating tool 26 via the side groove internal traveling body 22, thereby realizing highly efficient work. Further, since the excavator 26 rotates downward, the side groove internal traveling body 22 is caused to self-run along the side groove while being guided by the guide members 60 on both sides, and is closed from above by the side groove lid L. Even in this region, as long as the length of the hose 18 is within a possible range, the side groove can be cleaned. A state in which the side groove internal running body 22 self-travels in the side groove G while being guided by the guide member 60 is also schematically shown in FIG.

When the cleaning within the length range in which the hose 18 can be extended is completed, the rotary drive motor 51, that is, the excavator 26 is reversed, so that the lateral groove internal traveling body 22 is retracted, and at the same time, the elastic rollers 19A, 19B The direction of rotation is also reversed, and the hose 18 is pushed back by its longitudinal rigidity and wound around the hose winding drum 20. When the side groove internal traveling body 22 is retracted to the side groove lid, the piston rod 46-1 of the hydraulic cylinder 46 is extended, so that the side groove internal traveling body 22 is restored from the horizontal posture to the vertical posture. By raising, the side groove internal traveling body 22 can be taken out from the side groove. Then, the work vehicle is moved to the next work site, and the cleaning of the side grooves can be continued by repeating the same work as described in FIG.

  FIGS. 18 to 21 show a side groove internal traveling body 122 according to another embodiment. In this embodiment, the side groove internal traveling body 122 enables cleaning of the side groove P (FIG. 19) having a circular cross section (pipe shape). As shown in FIG. 18, the excavation blade (excavation member) 164 provided in the excavation wheel 126 has a lower side on both sides in the width direction and a higher center, and can excavate the sediment deposited on the bottom surface of the side groove P having a circular cross section. is there. Also, the bottom surface 128A (FIG. 19) of the suction port 128 has a shape that conforms to the circular cross section of the side groove P. Furthermore, the guide wheel 160 is provided on the top surface in addition to the bottom and side surfaces of the side groove. The operation of the side groove internal running body 122 that self-runs while scraping the sediment accumulated on the bottom surface of the side groove is the same as that of the first embodiment.

DESCRIPTION OF SYMBOLS 10 ... Ground vehicle 14 ... Sediment accumulation container 16 ... Sediment suction machine 18 ... Flexible hose
19A, 19B ... Elastic roller (hose drive means)
19-3 ... Rotational drive motor 20 for elastic roller ... Drum 22 ... Granular inner running body 24 ... Storage 26 ... Excavator 28 ... Suction port 30 ... Vertical frame 32 ... Elevating body 42 ... Vertical support frame 44 ... Hose guide roller (hose) Guide means)
46... Hydraulic cylinder for switching between a straight state and a bent state of the traveling body inside the side groove (bending and stretching support means)
DESCRIPTION OF SYMBOLS 50 ... Support housing 51 for a side groove internal running body ... Rotary drive motor 60 of a drilling tool ... Guide member 62 for a side groove inner running body in a side groove ... Center axis 64 of a drilling tool ... Drilling blade (digging member)
66 ... Exciter

Claims (7)

  A gutter cleaning device for cleaning sediment in a gutter, which travels along the gutter along the bottom surface, scrapes off the earth and sand collected in the gutter, and has a ground vehicle equipped with a collected sediment collection container. A side groove internal traveling body that self-travels inside the side groove, and the side groove internal traveling body and the accumulation container of the ground traveling vehicle are connected, and the collected earth and sand are conveyed to the accumulation portion of the ground traveling vehicle under suction. A hose which is substantially rigid in the longitudinal direction but has flexibility in the lateral direction, and a driving means for driving the flexible hose to feed and retract the flexible hose. The side groove internal traveling body is a side groove cleaning apparatus provided with an excavating tool for making the side groove internal traveling body self-propelled inside the side groove while scraping the sediment accumulated on the bottom surface of the side groove.   In the first aspect of the present invention, the driving means includes a pair of elastic rollers disposed so as to sandwich the flexible hose, and the elastic roller is configured to clamp the flexible hose according to the internal pressure. A gutter cleaning device that feeds or retracts the flexible hose by rolling or reversing.   3. The invention according to claim 1, wherein the excavator includes a central axis extending in a direction substantially parallel to the width of the side groove, and a plurality of excavation members spaced from the central axis at appropriate intervals along the axial direction. And a gutter cleaning device.   The invention according to any one of claims 1 to 3, wherein the traveling carriage is provided with a storage portion for storing the lateral groove internal traveling body on the traveling carriage at a normal time, and the lateral groove internal traveling body is disposed in the lateral groove from the storage portion during cleaning. A gutter cleaning device that is adapted to be fed out.   5. The side groove cleaning device according to claim 4, wherein the storage portion includes a lifting / lowering means for the side groove internal traveling body and a guide means for the flexible hose during feeding and winding.   In the invention according to any one of claims 1 to 5, the lateral groove internal traveling body includes a vibration exciter in the vehicle body, and the lateral groove internal traveling body is vibrated when the lateral groove internal traveling body is stuck in the lateral groove. A side groove cleaning device that eliminates frictional resistance.   The side groove cleaning device according to claim 1, further comprising a bending and stretching support means for supporting the side groove inner traveling body in a straight state and a bent state.

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