US20180010319A1 - Ditch digging and ditch cleaning apparatus - Google Patents
Ditch digging and ditch cleaning apparatus Download PDFInfo
- Publication number
- US20180010319A1 US20180010319A1 US15/546,744 US201615546744A US2018010319A1 US 20180010319 A1 US20180010319 A1 US 20180010319A1 US 201615546744 A US201615546744 A US 201615546744A US 2018010319 A1 US2018010319 A1 US 2018010319A1
- Authority
- US
- United States
- Prior art keywords
- housing
- ditch
- cleaning apparatus
- impeller
- digging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/186—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with the axis being substantially parallel to the direction of travel
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/246—Digging wheels; Digging elements of wheels; Drives for wheels drives
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/006—Dredgers or soil-shifting machines for special purposes adapted for working ground under water not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/285—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with drag buckets or scraper plates
Definitions
- the present disclosure relates to equipment for digging and cleaning ditches, and more particularly, to a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator, loader, or other boom.
- roadways are designed with ditches along the sides thereof for collecting run-off water from the road, as well as water flowing towards the road from a hill or mountain or surrounding area, and directing the same away from the road.
- debris such as, for example, sediment from erosion—sand, soil, rocks, etc.—and organic material—tree branches, shrubs, vegetation overgrow, etc.—accumulate in the ditches and can block the same, posing a serious risk of wash-outs often damaging or destroying significant portions of a roadway during a heavy rain fall.
- the drainage ditches require periodic cleaning to maintain their ability for collecting and directing the water away from the roadway.
- the cleaning of drainage ditches is done using a ditch bucket mounted to a wheel excavator or track excavator.
- great care and maneuvering are required from the operator to accomplish the cleaning and dumping of the debris in order to avoid the ditch being damaged or even destroyed, resulting in a very time consuming process.
- one object of the disclosed system is to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that enables substantially simple and fast cleaning of ditches and dumping of the debris.
- Another object of the disclosed system is to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is operable under water.
- Another object of the disclosed system is to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is easy to maintain.
- Another object of the disclosed system is to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is capable of quickly moving a substantial amount of debris.
- a ditch digging and cleaning apparatus comprising a housing adapted for being moved along a longitudinal axis of the ditch.
- the housing has an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof.
- An impeller is disposed in the housing and rotatably movable mounted thereto. The impeller receives the debris from the inlet opening and propels the same through the outlet opening.
- a drive is connected to the impeller for driving the same, the drive has a power of at least 30 hp.
- a ditch digging and cleaning apparatus comprising a housing adapted for being moved along a longitudinal axis of the ditch.
- the housing has an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof.
- An impeller is disposed in the housing and rotatably movable mounted thereto via a shaft and at least a bearing. The impeller receives the debris from the inlet opening and propels the same through the outlet opening.
- a drive is disposed in the housing and connected to the shaft for driving the same.
- the housing is adapted for enclosing the drive, a portion of the shaft, and the at least a bearing in a water sealed fashion.
- a ditch digging and cleaning apparatus A housing is adapted for being moved along the ditch.
- the housing has a front portion, a middle portion, and a rear portion.
- the front portion of the housing has an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof.
- a front structural support plate separates the front portion from the middle portion of the housing and a rear structural support plate separates the middle portion from the rear portion of the housing.
- the front and the rear structural support plate are adapted for being coupled to a coupling structure of heavy equipment such that the same is accommodated therebetween.
- An impeller is disposed in the front portion of the housing and rotatably movable mounted to the front structural support plate via a shaft. The impeller receives the debris from the inlet opening and propels the same through the outlet opening.
- a drive is disposed in the rear portion of the housing and connected to the shaft for driving the same. The drive is mounted to the rear structural support plate.
- One advantage of the disclosed system is that it provides a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that enables substantially simple and fast cleaning of ditches and dumping of the debris.
- a further advantage of the disclosed system is that it provides a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is operable under water.
- a further advantage of the disclosed system is that it provides a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is easy to maintain.
- a further advantage of the disclosed system is that it provides a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is capable of quickly moving a substantial amount of debris.
- FIG. 1 is a simplified block diagram illustrating in a perspective view operation of a ditch digging and cleaning apparatus according to one embodiment of the invention
- FIGS. 2 a to 2 f are simplified block diagrams illustrating a side view, a rear view, a top view, a perspective top rear view, a perspective top front view, and a cross sectional view, respectively, of the ditch digging and cleaning apparatus according to an embodiment of the invention
- FIG. 3 a is a simplified block diagram illustrating a perspective top front view of the housing of the ditch digging and cleaning apparatus according to an embodiment of the invention
- FIG. 3 b is a simplified block diagram illustrating a perspective view of the front cover plate of the ditch digging and cleaning apparatus according to an embodiment of the invention
- FIGS. 3 c and 3 d are simplified block diagrams illustrating a perspective front view and a perspective rear view, respectively, of the front cover of the ditch digging and cleaning apparatus according to an embodiment of the invention
- FIG. 3 e is a simplified block diagram illustrating a perspective view of the shaft of the ditch digging and cleaning apparatus according to an embodiment of the invention.
- FIGS. 3 f to 3 h are simplified block diagrams illustrating a perspective top front view, a front view, and a side view, respectively, of the impeller of the ditch digging and cleaning apparatus according to an embodiment of the invention.
- FIG. 1 illustrates operation of a ditch digging and cleaning apparatus 100 according to an embodiment for cleaning ditch 14 along roadway 10 having embankment 12 .
- the ditch digging and cleaning apparatus 100 can be mounted to boom 22 A of excavator 20 .
- housing 102 of the ditch digging and cleaning apparatus 100 can be adapted for being mounted to a conventional coupling structure 22 B of the boom 22 A. Since the coupling structure 22 B is not standardized, an adapting coupler may be interposed between the housing 102 and the coupling structure 22 B.
- the coupling structure 22 B or the adapting coupler is adapted for rotating the ditch digging and cleaning apparatus 100 about an approximately vertically oriented axis in order to facilitate movement of the ditch digging and cleaning apparatus 100 when the ditch 14 comprises curves and/or corners.
- the ditch digging and cleaning apparatus 100 can be connected to the hydraulic system of the excavator 20 —with present day heavy equipment typically providing hydraulic oil at pressure in the range of 4000 psi to 5000 psi—in a conventional manner for driving the same, as will be described in more detail hereinbelow.
- the ditch digging and cleaning apparatus 100 is moved along longitudinal axis 16 of the ditch 14 using the excavator 20 placed on the road 10 or its shoulder and moved along the same, as indicated by the block arrows.
- the debris typically accumulated in the bottom portion of the ditch 14 in the form of a slurry comprising sediment, solid organic material and sometimes water—is transmitted through inlet opening 104 , propelled, and expelled through chute 106 at a speed sufficient for throwing the same a sufficient distance 17 from the ditch 14 , as indicated by the dashed block arrow.
- the chute 106 can be adapted for expelling the debris in a direction oriented approximately perpendicular to the longitudinal axis 16 of the ditch 14 .
- the chute 106 is replaced by a rotatably directable chute or a coupling element adapted for being coupled in a conventional manner to a pipe or hose for loading the expelled debris onto a truck such as, for example, a vacuum truck.
- the ditch digging and cleaning apparatus 100 is employable under various conditions such as: under water when the ditch is, for example, flooded; or, in absence of water such as, for example, when digging ditches.
- the housing 102 being adapted for being moved along the longitudinal axis 16 of the ditch 14 —has, in one case, a semi cylindrically shaped straight bottom portion 114 of sufficient length for guiding the housing 102 along the ditch 14 .
- the housing 102 has an inlet opening 104 at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch 14 and an outlet opening 105 at an upper portion thereof.
- Impeller 110 is disposed in the housing 102 and rotatably movable mounted thereto for receiving the debris from the inlet opening 104 and propelling the same through the outlet opening 105 .
- the inlet opening 104 is, in one case, shaped such that a bottom portion of the impeller 110 is exposed with the bottom portion of the housing 102 forming a substantially forward facing edge such that the inlet opening 104 is narrowing in a direction of rotation—indicated in FIG. 2 e —of the impeller 110 .
- a portion of the forward facing edge can be tapered in a substantially forward direction for facilitating the forward movement of the housing 102 , for example, by providing edge plate 112 welded to the housing 102 .
- the complete forward facing edge is tapered.
- a front cover 108 of the housing 102 can be tapered in a substantially forward direction for facilitating movement of the ditch digging and cleaning apparatus 100 through vegetation overgrowth by separating the same, while bottom rear portion 116 of the housing 102 is angled upwardly for facilitating movement of the ditch digging and cleaning apparatus 100 around tight curves and corners of the ditch.
- a marker 109 can be disposed on the housing 102 —for example, on the front cover 108 —indicating a distance D M therefrom to the bottom end 114 of the housing 102 for assisting the operator, for example, when lowering the ditch digging and cleaning apparatus 100 into the ditch 14 .
- a plurality of markers are provided indicating different distances to the bottom end 114 .
- one or more markers are provided a predetermined distance above the housing 102 —for example, disposed on the boom 22 A or a vertical extension mounted to the housing 102 —for assisting the operator when the ditch digging and cleaning apparatus 100 is operated under water.
- the housing 102 can comprise a front portion 102 C, a middle portion 102 B, and a rear portion 102 A with a front structural support plate 120 B separating the front portion 102 C from the middle portion 102 B of the housing 102 and a rear structural support plate 120 A separating the middle portion 102 B from the rear portion 102 A of the housing 102 .
- the front structural support plate 120 B and the rear structural support plate 120 A comprise coupling elements 103 , disposed in an upper portion thereof, for being coupled in a conventional manner to coupling structure 22 B of excavator 20 such that the same is accommodated therebetween using, for example, bolts accommodated in respective bores disposed in the coupling structure 22 B and the coupling elements 103 .
- the impeller 110 is disposed in the front portion 102 C of the housing 102 and rotatably movable mounted to the front structural support plate 120 B via a shaft 126 .
- the front portion 102 C of the housing 102 comprises a front cover plate 117 disposed a predetermined distance to the front structural support plate 120 B for accommodating the impeller 110 therebetween.
- the front cover plate 117 can be removably mounted using, for example, bolts, to front side 132 of the front portion 102 C, illustrated in FIG. 3 a , such that fitting section 117 A of the front cover plate 117 , illustrated in FIG. 3 b , is in snug contact with inside opening 130 of front side 132 to ensure proper placement thereof.
- the shaft 126 is rotatably movable mounted to the front structural support plate 120 B and the front plate 117 in a conventional manner, using off-the-shelf bearings 128 A and 128 B.
- the impeller 110 is driven using drive 122 disposed in the rear portion 102 A of the housing 102 and mounted to the rear structural support plate 120 A.
- An off-the shelf drive coupler 124 can be interposed between the drive 122 and the shaft 126 and is adapted such that the same can be removed while the drive 122 and the shaft 126 remain in place, thus enabling maintenance or replacement of the bearing 128 A without removing the drive 122 or the shaft 126 .
- the drive 122 is, for example, an off-the-shelf hydraulic drive connected to the hydraulic system of the excavator 20 via hydraulic lines 123 in a conventional manner.
- the impeller 110 is removably mounted to the shaft 126 , as will be described in more detail hereinbelow, and can be removed therefrom while the shaft 126 remains mounted to the front structural support plate 120 B by removing the front cover 108 , the bearing 128 B, and the front cover plate 117 .
- the rear portion 102 A, the middle portion 102 B, and the front cover 108 can be adapted for enclosing the drive 122 , the drive coupler 124 , and the bearings 128 A and 128 B in a water sealed fashion using off-the-shelf seals such as, for example, O-ring seals disposed between the shaft 126 and the respective bores 129 A and 129 B disposed in the front structural support plate 120 B and the front cover plate 117 .
- off-the-shelf seals such as, for example, O-ring seals disposed between the shaft 126 and the respective bores 129 A and 129 B disposed in the front structural support plate 120 B and the front cover plate 117 .
- cover plates 118 , 119 and front cover 108 which are mounted in conventional water sealed fashion to the housing 102 using, for example, a seal placed between the cover and the housing and screw fasteners.
- cover plates 118 , 119 and front cover 108 Use of conventional seals enables operation of the ditch digging and cleaning apparatus 100 under water to a depth of approximately 3 feet.
- Sufficient strength and rigidity of the housing 102 for: employing a drive having a power of at least 30 hp; to withstand a vertical impact when dropped accidentally into the ditch; and, to be strong enough for being pushed into debris and vegetation overgrowth during forward movement, is provided by the front structural support plate 120 A and the rear structural support plate 120 B which are made of, for example, steel sheet material having sufficient thickness—for example, 1 inch thickness—and extend from the top, where they are coupled to the coupling structure 22 B, downwardly to the bottom of the housing 102 .
- the substantially semi-circular bottom portion 114 of the housing 102 is welded to the bottom portion of the front structural support plate 120 B and the rear structural support plate 120 A, as illustrated in FIG. 3 a .
- the remaining flat walls and covers are also made of, for example, 0.25 inch thick steel sheet material.
- the side walls 152 and 154 are welded to the front structural support plate 120 B and the rear structural support plate 120 A and are extended upwardly between the structural support plates 120 A and 120 B to further increase rigidity.
- the front top wall 156 and the rear top wall 158 are also welded to the front structural support plate 120 B and the rear structural support plate 120 A, respectively.
- the front cover 108 is made of a base plate 108 A having top plate 108 B, bottom plate 108 E, and side plates 108 C, 108 D welded thereto, as illustrated in FIGS. 3 c and 3 d . Front edges of the top plate 108 B, the bottom plate 108 E, and the side plates 108 C, 108 D are welded to front plate 108 F to form an enclosure for protecting the bearing 128 B disposed therein through an opening in the base plate 108 A. Ring structure 108 G surrounding the opening is welded to the base plate 108 A for further protecting the bearing 128 B from impact when the ditch digging and cleaning apparatus 100 is pushed forward.
- the impeller 110 comprises impeller cylinder 110 C having impeller mounting plate 110 B welded thereto.
- the impeller cylinder 110 C has a bore for accommodating the shaft 126 therein.
- the impeller mounting plate 110 B is removably mounted to shaft mounting plate 127 —which is welded to the shaft 126 —in a conventional manner using, for example, screw bolts.
- Impeller blades 110 D are welded to the impeller cylinder 110 C, the impeller mounting plate 110 B and rear impeller ring 110 A for providing sufficient strength and rigidity as well as enabling removal of the impeller 110 with the shaft 126 remaining mounted to the front structural support plate 120 B and connected to the drive 122 , substantially facilitating replacement of the impeller 110 in case of damage or if it is desired to use an impeller having a different number of blades 110 D and/or differently shaped blades 110 D for propelling different types of debris.
- the impeller blades 110 D are made, for example, of flat steel sheet material having a thickness of approximately 0.5 inch.
- Cutting teeth 110 E can be removably mounted to the forward edge of the blades 110 D in a conventional manner using, for example, screw bolts.
- the cutting teeth 110 E comprise a mounting plate 110 E. 2 for being in contact with the impeller blade 110 D when mounted thereto and a cutting plate 110 E. 1 oriented perpendicular to the mounting plate 110 E. 2 with a cutting edge 110 E. 3 being disposed at a radially outwardly increasing distance to the mounting plate 110 E. 2 .
- Removably mounting of the cutting teeth 110 E facilitates replacement of the cutting teeth 110 E in case of wear-out/damage or if it is desired to use cutting teeth 110 E having a different shape, for example, for cutting though different types of debris.
- the housing 102 has an overall length L of approximately 4.5 feet, an overall height H of approximately 2 feet, width W of approximately 1.5 feet.
- the structural support plates 120 A, 120 B are spaced a distance D 1 of approximately 1.25 feet.
- the impeller 110 has a diameter D I of approximately 17.5 inches.
- the impeller blades 110 D have a length L I of approximately 8.5 inches and a height H I of approximately 5 . 75 inches.
- the impeller 110 driven at a speed of approximately 1500 rpm is capable of propelling debris at a rate of approximately 1 m 3 /min.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
A ditch digging and cleaning apparatus comprising a housing adapted for being moved along a longitudinal axis of the ditch. The housing has an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof. An impeller is disposed in the housing and rotatably movable mounted thereto. The impeller receives the debris from the inlet opening and propels the same through the outlet opening. A drive is connected to the impeller for driving the same, the drive has a power of at least 30 hp.
Description
- This application claim priority to, and is a national stage filing of, International Patent Application No. PCT/CA2016/000012 (Publication No. WO 2016/123690) entitled DITCH DIGGING AND DITCH CLEANING APPARATUS filed on Jan. 18, 2016, which in turn claims priority to Canadian Patent Application No. 2,880,947, filed on Feb. 2, 2015. The entire contents of both of these applications are incorporated by reference herein.
- The present disclosure relates to equipment for digging and cleaning ditches, and more particularly, to a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator, loader, or other boom.
- Typically, roadways are designed with ditches along the sides thereof for collecting run-off water from the road, as well as water flowing towards the road from a hill or mountain or surrounding area, and directing the same away from the road. Over time, debris such as, for example, sediment from erosion—sand, soil, rocks, etc.—and organic material—tree branches, shrubs, vegetation overgrow, etc.—accumulate in the ditches and can block the same, posing a serious risk of wash-outs often damaging or destroying significant portions of a roadway during a heavy rain fall.
- Therefore, the drainage ditches require periodic cleaning to maintain their ability for collecting and directing the water away from the roadway. Generally, the cleaning of drainage ditches is done using a ditch bucket mounted to a wheel excavator or track excavator. Unfortunately, great care and maneuvering are required from the operator to accomplish the cleaning and dumping of the debris in order to avoid the ditch being damaged or even destroyed, resulting in a very time consuming process.
- It may be desirable to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that enables substantially simple and fast digging and cleaning of ditches and dumping of the debris.
- It also may be desirable to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is operable under water.
- It also may be desirable to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is easy to maintain.
- It also may be desirable to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is capable of quickly moving a substantial amount of debris.
- Accordingly, one object of the disclosed system is to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that enables substantially simple and fast cleaning of ditches and dumping of the debris.
- Another object of the disclosed system is to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is operable under water.
- Another object of the disclosed system is to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is easy to maintain.
- Another object of the disclosed system is to provide a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is capable of quickly moving a substantial amount of debris.
- According to one aspect, there is provided a ditch digging and cleaning apparatus. The apparatus comprises a housing adapted for being moved along a longitudinal axis of the ditch. The housing has an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof. An impeller is disposed in the housing and rotatably movable mounted thereto. The impeller receives the debris from the inlet opening and propels the same through the outlet opening. A drive is connected to the impeller for driving the same, the drive has a power of at least 30 hp.
- According to another aspect, there is provided a ditch digging and cleaning apparatus. The apparatus comprises a housing adapted for being moved along a longitudinal axis of the ditch. The housing has an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof. An impeller is disposed in the housing and rotatably movable mounted thereto via a shaft and at least a bearing. The impeller receives the debris from the inlet opening and propels the same through the outlet opening. A drive is disposed in the housing and connected to the shaft for driving the same. The housing is adapted for enclosing the drive, a portion of the shaft, and the at least a bearing in a water sealed fashion.
- According to another aspect, there is provided a ditch digging and cleaning apparatus. A housing is adapted for being moved along the ditch. The housing has a front portion, a middle portion, and a rear portion. The front portion of the housing has an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof. A front structural support plate separates the front portion from the middle portion of the housing and a rear structural support plate separates the middle portion from the rear portion of the housing. The front and the rear structural support plate are adapted for being coupled to a coupling structure of heavy equipment such that the same is accommodated therebetween. An impeller is disposed in the front portion of the housing and rotatably movable mounted to the front structural support plate via a shaft. The impeller receives the debris from the inlet opening and propels the same through the outlet opening. A drive is disposed in the rear portion of the housing and connected to the shaft for driving the same. The drive is mounted to the rear structural support plate.
- One advantage of the disclosed system is that it provides a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that enables substantially simple and fast cleaning of ditches and dumping of the debris.
- A further advantage of the disclosed system is that it provides a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is operable under water.
- A further advantage of the disclosed system is that it provides a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is easy to maintain.
- A further advantage of the disclosed system is that it provides a ditch digging and cleaning apparatus for being mounted as an attachment to an excavator or other boom that is capable of quickly moving a substantial amount of debris.
- An embodiment of the present invention is described below with reference to the accompanying drawings, in which:
-
FIG. 1 is a simplified block diagram illustrating in a perspective view operation of a ditch digging and cleaning apparatus according to one embodiment of the invention; -
FIGS. 2a to 2f are simplified block diagrams illustrating a side view, a rear view, a top view, a perspective top rear view, a perspective top front view, and a cross sectional view, respectively, of the ditch digging and cleaning apparatus according to an embodiment of the invention; -
FIG. 3a is a simplified block diagram illustrating a perspective top front view of the housing of the ditch digging and cleaning apparatus according to an embodiment of the invention; -
FIG. 3b is a simplified block diagram illustrating a perspective view of the front cover plate of the ditch digging and cleaning apparatus according to an embodiment of the invention; -
FIGS. 3c and 3d are simplified block diagrams illustrating a perspective front view and a perspective rear view, respectively, of the front cover of the ditch digging and cleaning apparatus according to an embodiment of the invention; -
FIG. 3e is a simplified block diagram illustrating a perspective view of the shaft of the ditch digging and cleaning apparatus according to an embodiment of the invention; and -
FIGS. 3f to 3h are simplified block diagrams illustrating a perspective top front view, a front view, and a side view, respectively, of the impeller of the ditch digging and cleaning apparatus according to an embodiment of the invention. - Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the invention belongs. Although any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention, certain methods and materials are now described.
- While the description of certain embodiments hereinbelow is with reference to an excavator boom for digging or cleaning a roadside ditch, it will become evident to those skilled in the art that the embodiments of the invention are not limited thereto, but are also adaptable for use with various other pieces of heavy equipment such as, for example, a wheel loader as well as for cleaning various other types of ditches such as, for example, ditches along railway lines or ditches employed in agriculture. Furthermore, the ditch digging and cleaning apparatus may also be used for digging new ditches.
-
FIG. 1 illustrates operation of a ditch digging and cleaningapparatus 100 according to an embodiment for cleaningditch 14 alongroadway 10 havingembankment 12. The ditch digging and cleaningapparatus 100 can be mounted toboom 22A ofexcavator 20. For example,housing 102 of the ditch digging and cleaningapparatus 100 can be adapted for being mounted to aconventional coupling structure 22B of theboom 22A. Since thecoupling structure 22B is not standardized, an adapting coupler may be interposed between thehousing 102 and thecoupling structure 22B. Optionally, thecoupling structure 22B or the adapting coupler is adapted for rotating the ditch digging and cleaningapparatus 100 about an approximately vertically oriented axis in order to facilitate movement of the ditch digging and cleaningapparatus 100 when theditch 14 comprises curves and/or corners. The ditch digging and cleaningapparatus 100 can be connected to the hydraulic system of theexcavator 20—with present day heavy equipment typically providing hydraulic oil at pressure in the range of 4000 psi to 5000 psi—in a conventional manner for driving the same, as will be described in more detail hereinbelow. - As illustrated in
FIG. 1 , the ditch digging and cleaningapparatus 100 is moved alonglongitudinal axis 16 of theditch 14 using theexcavator 20 placed on theroad 10 or its shoulder and moved along the same, as indicated by the block arrows. As the ditch digging and cleaningapparatus 100 is moved forward, the debris—typically accumulated in the bottom portion of theditch 14 in the form of a slurry comprising sediment, solid organic material and sometimes water—is transmitted through inlet opening 104, propelled, and expelled throughchute 106 at a speed sufficient for throwing the same asufficient distance 17 from theditch 14, as indicated by the dashed block arrow. Thechute 106 can be adapted for expelling the debris in a direction oriented approximately perpendicular to thelongitudinal axis 16 of theditch 14. Optionally, thechute 106 is replaced by a rotatably directable chute or a coupling element adapted for being coupled in a conventional manner to a pipe or hose for loading the expelled debris onto a truck such as, for example, a vacuum truck. - It is noted that the ditch digging and cleaning
apparatus 100 is employable under various conditions such as: under water when the ditch is, for example, flooded; or, in absence of water such as, for example, when digging ditches. - Referring to
FIGS. 2a to 2f and 3a to 3h , the ditch digging and cleaningapparatus 100 according to an embodiment of the invention is provided. Thehousing 102—being adapted for being moved along thelongitudinal axis 16 of theditch 14—has, in one case, a semi cylindrically shaped straightbottom portion 114 of sufficient length for guiding thehousing 102 along theditch 14. Thehousing 102 has aninlet opening 104 at a bottom front portion thereof for transmitting therethrough debris disposed in theditch 14 and anoutlet opening 105 at an upper portion thereof.Impeller 110 is disposed in thehousing 102 and rotatably movable mounted thereto for receiving the debris from theinlet opening 104 and propelling the same through theoutlet opening 105. Theinlet opening 104 is, in one case, shaped such that a bottom portion of theimpeller 110 is exposed with the bottom portion of thehousing 102 forming a substantially forward facing edge such that theinlet opening 104 is narrowing in a direction of rotation—indicated inFIG. 2e —of theimpeller 110. A portion of the forward facing edge can be tapered in a substantially forward direction for facilitating the forward movement of thehousing 102, for example, by providingedge plate 112 welded to thehousing 102. Optionally, the complete forward facing edge is tapered. - A
front cover 108 of thehousing 102 can be tapered in a substantially forward direction for facilitating movement of the ditch digging and cleaningapparatus 100 through vegetation overgrowth by separating the same, while bottomrear portion 116 of thehousing 102 is angled upwardly for facilitating movement of the ditch digging and cleaningapparatus 100 around tight curves and corners of the ditch. - A
marker 109 can be disposed on thehousing 102—for example, on thefront cover 108—indicating a distance DM therefrom to thebottom end 114 of thehousing 102 for assisting the operator, for example, when lowering the ditch digging and cleaningapparatus 100 into theditch 14. Optionally, a plurality of markers are provided indicating different distances to thebottom end 114. Further optionally, one or more markers are provided a predetermined distance above thehousing 102—for example, disposed on theboom 22A or a vertical extension mounted to thehousing 102—for assisting the operator when the ditch digging and cleaningapparatus 100 is operated under water. - The
housing 102 can comprise afront portion 102C, amiddle portion 102B, and arear portion 102A with a frontstructural support plate 120B separating thefront portion 102C from themiddle portion 102B of thehousing 102 and a rearstructural support plate 120A separating themiddle portion 102B from therear portion 102A of thehousing 102. The frontstructural support plate 120B and the rearstructural support plate 120A comprisecoupling elements 103, disposed in an upper portion thereof, for being coupled in a conventional manner tocoupling structure 22B ofexcavator 20 such that the same is accommodated therebetween using, for example, bolts accommodated in respective bores disposed in thecoupling structure 22B and thecoupling elements 103. Theimpeller 110 is disposed in thefront portion 102C of thehousing 102 and rotatably movable mounted to the frontstructural support plate 120B via ashaft 126. Thefront portion 102C of thehousing 102 comprises afront cover plate 117 disposed a predetermined distance to the frontstructural support plate 120B for accommodating theimpeller 110 therebetween. Thefront cover plate 117 can be removably mounted using, for example, bolts, tofront side 132 of thefront portion 102C, illustrated inFIG. 3a , such thatfitting section 117A of thefront cover plate 117, illustrated inFIG. 3b , is in snug contact withinside opening 130 offront side 132 to ensure proper placement thereof. Theshaft 126 is rotatably movable mounted to the frontstructural support plate 120B and thefront plate 117 in a conventional manner, using off-the-shelf bearings impeller 110 is driven usingdrive 122 disposed in therear portion 102A of thehousing 102 and mounted to the rearstructural support plate 120A. An off-theshelf drive coupler 124 can be interposed between thedrive 122 and theshaft 126 and is adapted such that the same can be removed while thedrive 122 and theshaft 126 remain in place, thus enabling maintenance or replacement of the bearing 128A without removing thedrive 122 or theshaft 126. Thedrive 122 is, for example, an off-the-shelf hydraulic drive connected to the hydraulic system of theexcavator 20 viahydraulic lines 123 in a conventional manner. - Furthermore, the
impeller 110 is removably mounted to theshaft 126, as will be described in more detail hereinbelow, and can be removed therefrom while theshaft 126 remains mounted to the frontstructural support plate 120B by removing thefront cover 108, the bearing 128B, and thefront cover plate 117. - The
rear portion 102A, themiddle portion 102B, and thefront cover 108 can be adapted for enclosing thedrive 122, thedrive coupler 124, and thebearings shaft 126 and therespective bores structural support plate 120B and thefront cover plate 117. Access to thedrive 122, thecoupler 124, and thebearings cover plates front cover 108, which are mounted in conventional water sealed fashion to thehousing 102 using, for example, a seal placed between the cover and the housing and screw fasteners. Use of conventional seals enables operation of the ditch digging and cleaningapparatus 100 under water to a depth of approximately 3 feet. - Sufficient strength and rigidity of the
housing 102 for: employing a drive having a power of at least 30 hp; to withstand a vertical impact when dropped accidentally into the ditch; and, to be strong enough for being pushed into debris and vegetation overgrowth during forward movement, is provided by the frontstructural support plate 120A and the rearstructural support plate 120B which are made of, for example, steel sheet material having sufficient thickness—for example, 1 inch thickness—and extend from the top, where they are coupled to thecoupling structure 22B, downwardly to the bottom of thehousing 102. The substantiallysemi-circular bottom portion 114 of thehousing 102—made of, for example, 0.25 inch thick steel sheet material and formed in a conventional manner using a press—is welded to the bottom portion of the frontstructural support plate 120B and the rearstructural support plate 120A, as illustrated inFIG. 3a . The remaining flat walls and covers are also made of, for example, 0.25 inch thick steel sheet material. Theside walls structural support plate 120B and the rearstructural support plate 120A and are extended upwardly between thestructural support plates top wall 156 and the reartop wall 158 are also welded to the frontstructural support plate 120B and the rearstructural support plate 120A, respectively. - The
front cover 108 is made of abase plate 108A havingtop plate 108B,bottom plate 108E, andside plates FIGS. 3c and 3d . Front edges of thetop plate 108B, thebottom plate 108E, and theside plates front plate 108F to form an enclosure for protecting the bearing 128B disposed therein through an opening in thebase plate 108A.Ring structure 108G surrounding the opening is welded to thebase plate 108A for further protecting the bearing 128B from impact when the ditch digging and cleaningapparatus 100 is pushed forward. - Referring to
FIGS. 3e to 3h , a configuration of theimpeller 110 is provided. Theimpeller 110 comprisesimpeller cylinder 110C havingimpeller mounting plate 110B welded thereto. Theimpeller cylinder 110C has a bore for accommodating theshaft 126 therein. Theimpeller mounting plate 110B is removably mounted toshaft mounting plate 127—which is welded to theshaft 126—in a conventional manner using, for example, screw bolts.Impeller blades 110D are welded to theimpeller cylinder 110C, theimpeller mounting plate 110B andrear impeller ring 110A for providing sufficient strength and rigidity as well as enabling removal of theimpeller 110 with theshaft 126 remaining mounted to the frontstructural support plate 120B and connected to thedrive 122, substantially facilitating replacement of theimpeller 110 in case of damage or if it is desired to use an impeller having a different number ofblades 110D and/or differently shapedblades 110D for propelling different types of debris. Theimpeller blades 110D are made, for example, of flat steel sheet material having a thickness of approximately 0.5 inch. Cuttingteeth 110E can be removably mounted to the forward edge of theblades 110D in a conventional manner using, for example, screw bolts. The cuttingteeth 110E comprise a mounting plate 110E.2 for being in contact with theimpeller blade 110D when mounted thereto and a cutting plate 110E.1 oriented perpendicular to the mounting plate 110E.2 with a cutting edge 110E.3 being disposed at a radially outwardly increasing distance to the mounting plate 110E.2. Removably mounting of the cuttingteeth 110E facilitates replacement of the cuttingteeth 110E in case of wear-out/damage or if it is desired to use cuttingteeth 110E having a different shape, for example, for cutting though different types of debris. - In an implementation of the ditch digging and cleaning
apparatus 100 for employing a hydraulic drive operated at a hydraulic pressure of 4400 psi and having a power of 30 hp, thehousing 102 has an overall length L of approximately 4.5 feet, an overall height H of approximately 2 feet, width W of approximately 1.5 feet. Thestructural support plates impeller 110 has a diameter DI of approximately 17.5 inches. Theimpeller blades 110D have a length LI of approximately 8.5 inches and a height HI of approximately 5.75 inches. Theimpeller 110 driven at a speed of approximately 1500 rpm is capable of propelling debris at a rate of approximately 1 m3/min. - The present invention has been described herein with regard to certain embodiments. However, it will be obvious to persons skilled in the art that a number of variations and modifications can be made without departing from the scope of the invention as described herein.
Claims (18)
1. A ditch digging and cleaning apparatus comprising:
a housing adapted for being moved along a longitudinal axis of the ditch, the housing having an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof;
an impeller disposed in the housing and rotatably movable mounted thereto, the impeller for receiving the debris from the inlet opening and propelling the same through the outlet opening; and,
a drive connected to the impeller for driving the same, the drive having a power of at least 30 hp.
2. The ditch digging and cleaning apparatus according to claim 1 wherein the inlet opening is shaped such that a bottom portion of the impeller is exposed.
3. The ditch digging and cleaning apparatus according to claim 2 wherein a bottom portion of the housing forms a forward facing edge of the inlet opening and wherein at least a portion of the forward facing edge is tapered in a substantially forward direction.
4. The ditch digging and cleaning apparatus according to claim 1 wherein a front portion of the housing is tapered in a substantially forward direction.
5. The ditch digging and cleaning apparatus according to claim 1 wherein a bottom rear portion of the housing is angled upwardly.
6. The ditch digging and cleaning apparatus according to claim 1 comprising a marker disposed on the housing, the marker being indicative of a distance therefrom to a bottom end of the housing.
7. A ditch digging and cleaning apparatus comprising:
a housing adapted for being moved along a longitudinal axis of the ditch, the housing having an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof;
an impeller disposed in the housing and rotatably movable mounted thereto via a shaft and at least a bearing, the impeller for receiving the debris from the inlet opening and propelling the same through the outlet opening; and,
a drive disposed in the housing and connected to the shaft for driving the same, wherein the housing is adapted for enclosing the drive, a portion of the shaft, and the at least a bearing in a water sealed fashion.
8. The ditch digging and cleaning apparatus according to claim 7 wherein the inlet opening is shaped such that a bottom portion of the impeller is exposed.
9. The ditch digging and cleaning apparatus according to claim 8 wherein a bottom portion of the housing forms a forward facing edge of the inlet opening and wherein at least a portion of the forward facing edge is tapered in a substantially forward direction.
10. The ditch digging and cleaning apparatus according to claim 7 wherein a front portion of the housing is tapered in a substantially forward direction.
11. The ditch digging and cleaning apparatus according to claim 7 wherein a bottom rear portion of the housing is angled upwardly.
12. The ditch digging and cleaning apparatus according to claim 7 comprising a marker disposed on the housing, the marker being indicative of a distance therefrom to a bottom end of the housing.
13. The ditch digging and cleaning apparatus according to claim 7 wherein the housing is adapted for being operated under water to a depth of approximately 3 feet.
14. A ditch digging and cleaning apparatus comprising:
a housing adapted for being moved along the ditch, the housing having a front portion, a middle portion, and a rear portion;
the front portion of the housing having an inlet opening at a bottom front portion thereof for transmitting therethrough debris disposed in the ditch and an outlet opening at an upper portion thereof;
a front structural support plate separating the front portion from the middle portion of the housing and a rear structural support plate separating the middle portion from the rear portion of the housing, the front and the rear structural support plate being adapted for being coupled to a coupling structure of heavy equipment such that the same is accommodated therebetween;
an impeller disposed in the front portion of the housing and rotatably movable mounted to the front structural support plate via a shaft, the impeller for receiving the debris from the inlet opening and propelling the same through the outlet opening; and,
a drive disposed in the rear portion of the housing and connected to the shaft for driving the same, the drive being mounted to the rear structural support plate.
15. The ditch digging and cleaning apparatus according to claim 14 comprising a drive coupler interposed between the drive and the shaft, the drive coupler being adapted for removal of the same with the drive and the shaft remaining mounted.
16. The ditch digging and cleaning apparatus according to claim 14 wherein the front portion of the housing comprises a front cover plate disposed a predetermined distance to the front structural support plate for accommodating the impeller therebetween and wherein the shaft is rotatably movable mounted to the front structural support plate and the front plate.
17. The ditch digging and cleaning apparatus according to claim 16 wherein the front cover plate is removably mounted to the front portion of the housing and wherein the impeller is removably mounted to the shaft.
18. The ditch digging and cleaning apparatus according to claim 14 wherein the front structural support plate and the rear structural support plate each comprise coupling elements disposed in a top portion thereof for coupling the same to the coupling structure and extend downwardly to a bottom of the housing.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2,880,947 | 2015-02-02 | ||
CA2880947A CA2880947C (en) | 2015-02-02 | 2015-02-02 | Ditch digging and ditch cleaning apparatus |
PCT/CA2016/000012 WO2016123690A1 (en) | 2015-02-02 | 2016-01-18 | Ditch digging and ditch cleaning apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
US20180010319A1 true US20180010319A1 (en) | 2018-01-11 |
Family
ID=56557948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/546,744 Abandoned US20180010319A1 (en) | 2015-02-02 | 2016-01-18 | Ditch digging and ditch cleaning apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US20180010319A1 (en) |
EP (1) | EP3253929A4 (en) |
CA (1) | CA2880947C (en) |
WO (1) | WO2016123690A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111364541A (en) * | 2020-03-29 | 2020-07-03 | 青岛大学 | Railway tunnel drainage ditch tunneling vehicle |
CN111632958A (en) * | 2020-06-11 | 2020-09-08 | 吴刘海 | River ecological environment treatment method |
CN111945812A (en) * | 2020-08-17 | 2020-11-17 | 梁聪 | Ditch silt removing equipment for hydraulic engineering |
CN112344145A (en) * | 2020-11-06 | 2021-02-09 | 颍上县田之都农业科技发展有限公司 | Prefabricated part laying system for farmland infrastructure construction machinery |
CN112502218A (en) * | 2021-01-08 | 2021-03-16 | 上海摩芸金电子科技有限公司 | Excavating equipment for shallow buried cable moving |
CN112575838A (en) * | 2020-12-23 | 2021-03-30 | 长沙理工大学 | Working method of dredging robot |
CN112922069A (en) * | 2021-04-23 | 2021-06-08 | 湖南及极科技有限公司 | River channel treatment device |
CN114319493A (en) * | 2022-01-18 | 2022-04-12 | 牛琤 | Silt cleaning device for water conservancy ditch |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110761351A (en) * | 2019-10-10 | 2020-02-07 | 三峡大学 | Cutting gutter cleaning device and method |
CN110924462B (en) * | 2019-12-17 | 2021-09-07 | 李太军 | Hydraulic engineering desilting device capable of achieving rapid cleaning |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2615263A (en) * | 1946-05-14 | 1952-10-28 | Barras Herbert | Drain digger and cleaner |
GB937403A (en) * | 1959-10-17 | 1963-09-18 | Fritz Bartels | Improvements in or relating to ditch digging and like excavating apparatus |
US3916543A (en) * | 1974-07-24 | 1975-11-04 | John M Poche | Pivotable bucket with rotatable shredder blade and earth ejector |
US4193217A (en) * | 1977-09-29 | 1980-03-18 | Poche John M | Pivotable bucket with a rotatable earth moving mechanism |
US4161072A (en) * | 1977-10-11 | 1979-07-17 | Normand Pronovost | Ditch digger with adjustable side wings |
SU1033396A1 (en) * | 1982-04-14 | 1983-08-07 | Горьковский сельскохозяйственный институт | Rotary slinger |
US4942682A (en) * | 1989-07-13 | 1990-07-24 | Ellicott Machine Corporation | Dredging module for use with conventional back hoe apparatus |
US5511326A (en) * | 1994-05-09 | 1996-04-30 | Liebrecht, Jr.; Sylvester J. | Rotating disk-type ditcher |
-
2015
- 2015-02-02 CA CA2880947A patent/CA2880947C/en active Active
-
2016
- 2016-01-18 US US15/546,744 patent/US20180010319A1/en not_active Abandoned
- 2016-01-18 EP EP16746016.1A patent/EP3253929A4/en not_active Withdrawn
- 2016-01-18 WO PCT/CA2016/000012 patent/WO2016123690A1/en active Application Filing
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111364541A (en) * | 2020-03-29 | 2020-07-03 | 青岛大学 | Railway tunnel drainage ditch tunneling vehicle |
CN111632958A (en) * | 2020-06-11 | 2020-09-08 | 吴刘海 | River ecological environment treatment method |
CN111945812A (en) * | 2020-08-17 | 2020-11-17 | 梁聪 | Ditch silt removing equipment for hydraulic engineering |
CN112344145A (en) * | 2020-11-06 | 2021-02-09 | 颍上县田之都农业科技发展有限公司 | Prefabricated part laying system for farmland infrastructure construction machinery |
CN112575838A (en) * | 2020-12-23 | 2021-03-30 | 长沙理工大学 | Working method of dredging robot |
CN112502218A (en) * | 2021-01-08 | 2021-03-16 | 上海摩芸金电子科技有限公司 | Excavating equipment for shallow buried cable moving |
CN112922069A (en) * | 2021-04-23 | 2021-06-08 | 湖南及极科技有限公司 | River channel treatment device |
CN114319493A (en) * | 2022-01-18 | 2022-04-12 | 牛琤 | Silt cleaning device for water conservancy ditch |
Also Published As
Publication number | Publication date |
---|---|
EP3253929A4 (en) | 2018-11-07 |
EP3253929A1 (en) | 2017-12-13 |
CA2880947A1 (en) | 2016-08-02 |
CA2880947C (en) | 2021-12-28 |
WO2016123690A1 (en) | 2016-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20180010319A1 (en) | Ditch digging and ditch cleaning apparatus | |
US11097815B2 (en) | Vessel for cleaning waste in shallow waters | |
US11125656B2 (en) | Encased soil auger apparatus for archeological assessments and method of operating the same | |
AU2013296124B2 (en) | A self cleaning collection apparatus and method | |
WO1994019547A1 (en) | Method and apparatus for in situ installation of underground containment barriers under contaminated lands | |
AU2019200467A1 (en) | Excavation devices and methods | |
EP2520726B1 (en) | Device and method for removing material deposits from the reservoir of a hydrotechnical structure | |
EP1978161B1 (en) | Device for clearing and/or excavating trenches | |
US6056067A (en) | Apparatus for clearing debris | |
CN205712263U (en) | Ploughshare underwater desilting equipment | |
CN106032674A (en) | Bulldozer for groove digging and backfill excavation | |
FI20190024A1 (en) | Method and apparatus for removing plants in water | |
JP6552706B1 (en) | Water channel sediment removal device | |
JP4718126B2 (en) | Sediment mud recovery device and method | |
EP3290589B1 (en) | Arrangement for removing verge debris | |
JP2021038511A (en) | Attachment for dredging and dredging system | |
JPH0755320B2 (en) | Mud processing equipment | |
JP2005226415A (en) | Sediment mud collection system and its method | |
JP7224933B2 (en) | Dredging equipment and dredging method | |
JP6615410B1 (en) | Reservoir pond decontamination method including environmental measures | |
CN217974554U (en) | Anti-sticking bucket for high-unloading loader | |
KR102519147B1 (en) | Subsea sediment collection device for suctioning and collecting sediment in the sea | |
JP7160569B2 (en) | Jigs and drilling systems for preventing mud scattering | |
WO2004072381A1 (en) | Scraper assembly | |
Wallnig et al. | Englisch für Baufachleute/L’anglais dans le bâtiment: Band 2 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: DITCH DOCTOR ATLANTIC LIMITED, CANADA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FISHER, ADAM;REEL/FRAME:043116/0504 Effective date: 20170721 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |