Sediment recovery system

Abstract

To provide a sediment recovery system capable of easily removing sediment accumulated in a sediment tank and continuing sediment recovery.SOLUTION: A sediment recovery system 100 comprises a vacuum pump 3 that generates a suction force to suck in sediment D, a sediment tank 4 configured to accumulate the sediment D sucked in by the vacuum pump 3 and including an openable and closable discharge port 40 for discharging the accumulated sediment D, a bag body attachment member 5 disposed on the lower side of the sediment tank 4 and to which a sediment collection bag H for collecting the sediment D discharged from the discharge port 40 is detachably attached, and an on-vehicle structure 102 commonly provided for the sediment tank 4 and the bag body attachment member 5, on which the sediment tank 4 and the bag body attachment member 5 are installed.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a sediment recovery system including a sediment suction device and a sediment tank for storing the sediment sucked by the suction device. [Background technology]

[0002] 2. Description of the Related Art Conventionally, there is known a sediment recovery system that includes a sediment suction device and a sediment tank that stores the sediment sucked by the suction device (see, for example, Patent Document 1).

[0003] The above-mentioned Patent Document 1 discloses a vacuum truck having a vacuum generating device and a tank, and a gutter cleaner connected to the tank of the vacuum truck by a sediment discharge pipe. The vacuum generating device of the vacuum truck is configured to generate a suction force to suck in sediments through the gutter cleaner. The tank of the vacuum truck stores the sediments sucked in by the vacuum generating device. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 9-250167 Summary of the Invention [Problem to be solved by the invention]

[0005] However, the vacuum truck and gutter cleaner described in Patent Document 1 have the disadvantage that when the tank becomes filled with sediments, the tank must be moved to a designated collection site or the like to remove the sediments from the tank before collection can continue. For this reason, it is desirable to be able to easily remove the sediments stored in the tank and continue collection of the sediments.

[0006] The present invention has been made to solve the above-mentioned problems, and one object of the present invention is to provide a sediment recovery system that can easily remove sediments stored in a sediment tank and continue collecting the sediments. [Means for solving the problem]

[0007] In order to achieve the above-mentioned object, a sediment collection system in one aspect of the present invention comprises a suction device that generates a suction force to suck in sediment, a sediment tank configured to store sediment sucked in by the suction device and including an openable and closable outlet for discharging the stored sediment, a bag body mounting member that is positioned below the sediment tank and to which a bag body that collects sediment discharged from the outlet is removably attached, and an installation member that is provided in common to the sediment tank and the bag body mounting member and on which the sediment tank and the bag body mounting member are installed.

[0008] In a sediment recovery system according to one aspect of the present invention, as described above, a sediment tank and a bag attachment member are provided that are installed on a common installation member, the sediment tank is configured to include an openable and closable outlet for discharging the stored sediment, and the bag attachment member is disposed below the sediment tank, to which a bag for collecting the sediment discharged from the outlet is detachably attached. In this way, when the sediment tank is filled with sediment, the bag can be attached to the bag attachment member disposed below the sediment tank at the sediment recovery site, and the sediment stored in the sediment tank can be recovered by the bag. In other words, when the sediment tank is filled with sediment, the bag attached to the bag attachment member can be used to immediately remove the sediment from the sediment tank on the spot. Therefore, the sediment stored in the sediment tank can be easily removed to continue sediment recovery.

[0009] In the above-mentioned sediment recovery system according to one aspect, the bag body preferably includes a sandbag having water permeability for recovering sediment. With this configuration, the sandbag having water permeability (liquid permeability) can remove liquid from the recovered sediment to reduce its weight. As a result, the bag body can be easily removed. That is, the burden on the worker can be reduced. In addition, in the event of a disaster such as flooding below or above the floor, the accumulated mud and the like can be easily recovered by the sandbag. The sandbags containing the mud and the like can be stacked up to form a wall to prevent further flooding.

[0010] In the sediment recovery system according to the above aspect, the installation member is preferably an on-board structure mounted on a vehicle, and the on-board structure is configured to accommodate the sediment tank, the bag body mounting member, and the suction device, and is configured to be moved by the vehicle. With this configuration, the unit of the sediment tank, the bag body mounting member, and the suction device installed on the vehicle via the on-board structure can be easily moved by the vehicle. Therefore, even if the sediment recovery sites are located in multiple locations separated from each other, the unit of the sediment tank, the bag body mounting member, and the suction device can be easily transported. In the event of a disaster, mud and the like can be quickly recovered from multiple flooded houses and the like.

[0011] In this case, the bag attachment member preferably includes a slide mechanism capable of sliding the bag between a deposit discharge position immediately below the discharge port inside the vehicle-mounted structure and a bag discharge position outside the vehicle-mounted structure for discharging the bag containing collected deposits. With this configuration, the slide mechanism can move the bag containing collected deposits to the bag discharge position away from the deposit tank. Therefore, the bag containing collected deposits can be moved to a position where there is relatively more space and where the deposit tank is not nearby, making it easy to carry out the work of discharging the bag containing collected deposits.

[0012] In the above-mentioned configuration in which the bag attachment member includes a slide mechanism, the slide mechanism preferably includes a slide member having a protrusion to which the bag is attached by engagement, and a guide rail for guiding movement of the slide member between the deposit discharge position and the bag transport position. With this configuration, the bag can be easily attached to the slide member by the protrusion. Also, the guide rail allows the slide member to be stably moved with the bag attached thereto.

[0013] In the configuration in which the slide mechanism includes a slide member and a guide rail, the slide member is preferably provided with a grip portion that is gripped by a user when moving the slide member along the guide rail. With this configuration, the user can move the slide member along the guide rail simply by pulling the grip portion, making it easy to move the slide member.

[0014] In the above-mentioned deposit recovery system according to one aspect, the bag is preferably permeable, and further includes a liquid storage section that is installed on the installation member directly below the discharge port and the bag mounting member and that stores liquid leaking from the bag that has collected the deposit, and the liquid storage section is provided with a drainage pump that drains the liquid stored in the liquid storage section. With this configuration, the liquid that leaks from the bag can be stored by the liquid storage section, so that the scaffolding at the deposit recovery site can be prevented from getting wet. Also, the drainage pump can easily drain the liquid stored in the liquid storage section.

[0015] In the above-mentioned sediment recovery system according to one aspect, preferably, a plurality of sediment tanks are provided on the installation member, and each of the plurality of sediment tanks is provided with a valve for stopping the inflow of sediment into the sediment tank when the sediment is recovered by the bag body, and the valve of one sediment tank is closed to recover the sediment, and at the same time, the valve of another sediment tank is opened to store the sediment. With this configuration, the sediment can be recovered from the sediment tank and stored in the sediment tank in parallel, so that the sediment recovery work can be performed efficiently. In the event of a disaster, the recovery work can be performed efficiently in flooded houses, etc., so that the working time of workers can be shortened.

[0016] In the above-mentioned sediment recovery system according to one aspect, the sediment tank preferably includes a sediment inlet through which sediments flow and a gas outlet provided above the sediment inlet through which gas flows out, and further includes a hose connected to the sediment inlet for sucking in sediments, the suction device is a vacuum pump connected to the gas outlet and drawing only gas into the pump body through the hose and the sediment tank to generate a suction force for sucking in sediments together with the gas from the hose toward the sediment tank, and a first plate member having a first opening and a second plate member having a second opening disposed at a position offset from the first opening in a plan view are provided between the sediment inlet and the gas outlet in the sediment tank, and the sediment tank is configured to cause the gas that has passed through the first opening to collide with the second plate member to separate fine particles contained in the gas from the gas. With this configuration, the gas that has passed through the first opening can be caused to flow toward the plate portion instead of the second opening of the second plate member and collide with it, so that fine particles contained in the gas can be effectively separated from the gas. Therefore, it is possible to prevent the fine particles from being sucked into the vacuum pump.

[0017] In this case, the gas outlet of the sediment tank is preferably disposed directly above the second opening. With this configuration, the gas can flow linearly from the second opening to the gas outlet without colliding with the inner surface of the sediment tank, thereby suppressing gas pressure loss. Effect of the Invention

[0018] According to the present invention, as described above, it is possible to provide a sediment recovery system that can easily remove sediments stored in a sediment tank and continue recovering the sediments. [Brief description of the drawings]

[0019] [Figure 1] 1 is a schematic diagram showing an overall configuration of a deposit recovery system according to an embodiment. [Diagram 2] 1 is a side view showing the state in which the deposit recovery system according to the embodiment is mounted on a vehicle, and shows how sandbags are transported by the slide mechanism. FIG. [Diagram 3] FIG. 2 is a perspective view of a sediment tank of a sediment collection system according to an embodiment. [Figure 4] FIG. 2 is a perspective view showing a slide mechanism of the deposit recovery system according to the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] Hereinafter, an embodiment will be described with reference to the drawings.

[0021] (Embodiment) (Configuration of Sediment Collection System) A deposit recovery system 100 according to an embodiment will be described with reference to FIGS. 1 to 4. FIG.

[0022] The sediment recovery system 100 shown in Fig. 1 is a system for collecting sediment D using sandbags H by storing sediment D sucked in by a vacuum pump 3 in a sediment tank 4 and finally discharging the sediment D from the sediment tank 4 into sandbags H. The vacuum pump 3 is an example of a "suction device" in the claims. The sandbags H are an example of a "bag body" in the claims.

[0023] As an example, the sandbag H is made of polypropylene or polyethylene, and is relatively resistant to friction and impact and is relatively difficult to tear. The sandbag H is also a water-permeable bag.

[0024] In this embodiment, an example will be described in which the deposits D are mud, sand, earth, water, etc. that have accumulated in a house K due to flooding (flooding below the floor, flooding above the floor) during a disaster. The deposit recovery system 100 is a system for recovering deposits D such as mud using sandbags H. The deposit recovery system 100 is mounted on the loading platform T1 of a vehicle T, and is configured to be able to patrol the flooded house K together with the vehicle T. In short, the deposit recovery system 100 is a unit of various devices that is mounted on the vehicle T and recovers the deposits D using sandbags H.

[0025] Here, in the drawings for explaining the deposit recovery system 100, the up-down direction is indicated by the Z direction, the upper side is indicated by the Z1 direction, and the lower side is indicated by the Z2 direction.

[0026] In the drawings, the movement direction of a slide member 50, which will be described later, is indicated by direction A. In this embodiment, direction A is a direction perpendicular to direction Z (horizontal direction) and coincides with the front-rear direction of vehicle T. Note that direction A may be a direction inclined with respect to the horizontal direction, or may be a direction coinciding with the left-right direction of the vehicle.

[0027] The sediment recovery system 100 includes a recovery processing structure 101 (a structure including a vacuum pump 3, a sediment tank 4, etc.) that performs recovery processing of the sediment D, and an on-vehicle structure 102 on which the recovery processing structure 101 is installed and which is mounted on a vehicle T. The on-vehicle structure 102 is an example of an "installation member" in the claims.

[0028] The recovery processing structure 101 includes a hose 2 , a vacuum pump 3 , a plurality of sediment tanks 4 , a bag attachment member 5 , and a liquid storage portion 6 .

[0029] One bag attachment member 5 and one liquid storage section 6 are provided for each sediment tank 4. One sediment tank 4, one bag attachment member 5, and one liquid storage section 6 constitute one set of recovery units U for recovering the sediment D. Therefore, the recovery processing structure 101 includes a plurality of sets of recovery units U for recovering the sediment D. Specifically, in this embodiment, the recovery processing structure 101 includes two sets of recovery units U for recovering the sediment D.

[0030] Unlike the above configuration, a common (one) bag mounting member may be provided for a plurality of sediment tanks. Also, unlike the above configuration, a common (one) liquid storage section may be provided for a plurality of sediment tanks.

[0031] Each component of the sediment recovery system 100 will be described in order below.

[0032] (Configuration of vehicle mounting structure) As an example, the on-vehicle structure 102 includes a bottom plate portion 1a and a fixing member 1b (see FIGS. 2 to 4). The on-vehicle structure may also include a side plate portion extending upward from an edge of the bottom plate portion.

[0033] The bottom plate portion 1a is configured so that the above-mentioned components of the recovery processing structure 101 (vacuum pump 3, sediment tank 4, bag body mounting member 5, hose 2, liquid storage portion 6) are placed thereon from above. The fixing member 1b is configured to support the above-mentioned components of the recovery processing structure 101 and fix the above-mentioned components of the recovery processing structure 101 to the bottom plate portion 1a so that the above-mentioned components of the recovery processing structure 101 do not move relative to the bottom plate portion 1a. As a specific example, the fixing member 1b includes a support frame (beam), a bracket, and bolts for fixing the support frame and bracket to the bottom plate portion 1a.

[0034] The on-vehicle structure 102 is provided in common with the sediment tank 4 and the bag body mounting member 5, and is configured so that the sediment tank 4 and the bag body mounting member 5 are installed thereon. The on-vehicle structure 102 is configured so that the vacuum pump 3 is installed thereon in addition to the sediment tank 4 and the bag body mounting member 5. The on-vehicle structure 102 is configured so that it can be moved by the vehicle T. As an example, the on-vehicle structure 102, with the sediment tank 4, the bag body mounting member 5, etc. installed, is suspended by a crane or the like and placed on the bed T1 of the vehicle T. The on-vehicle structure 102 is then fixed to the bed T1 of the vehicle T by welding, bolts, or the like.

[0035] (Hose configuration) The hose 2 is configured to be located at the most upstream position in the flow direction of the intake air of the vacuum pump 3. The hose 2 is configured to be held by a user (operator) and to suck in the sediment D from one end where a suction port 20 for the sediment D is provided. The other end of the hose 2 is connected to a sediment flow inlet 43 of the sediment tank 4. One end of the hose 2 is configured with one suction port 20 for the sediment D, and the hose 2 branches into multiple parts at a branch point B1 along the way. Each of the multiple branched other ends of the hose 2 is connected to one sediment tank 4 (one set of recovery units U) mounted on the vehicle T. The hose 2 is configured to be relatively long and used in a state extended from the vehicle T to inside the house K. Note that the downstream portion (branched component portion) of the hose, which is the side connected to the sediment tank, may be configured to include a pipe.

[0036] (Vacuum pump configuration) The vacuum pump 3 is configured to be located at the most downstream position in the flow direction of the intake air of the vacuum pump 3. The vacuum pump 3 is connected to a gas outlet 44 of the sediment tank 4. The gas outlet 44 is configured to be separate from the above-mentioned sediment flow inlet 43. The vacuum pump 3 is configured to draw only gas into the inside of the pump body 30 via the hose 2 and the sediment tank 4, thereby generating a suction force that sucks the sediment D together with the gas from the hose 2 toward the sediment tank 4.

[0037] The vacuum pump 3 is a so-called sealing liquid type pump. A sealing liquid type pump is configured to form an air chamber inside the sealing liquid in the pump casing by utilizing the centrifugal force of an impeller, and to suck gas into the pump body 30 by expanding and compressing the air chamber.

[0038] Only one vacuum pump 3 is provided for the multiple sediment tanks 4 (multiple sets of recovery units U). The vacuum pump 3 includes a pump body 30 and a gas flow path 31 having one end connected to the pump body 30 and the other end connected to gas outlets 44 of the multiple sediment tanks 4. That is, the gas flow path 31 branches into multiple paths at a branch point B2 on the way from the pump body 30 to the multiple sediment tanks 4.

[0039] The upstream portion (plurality of branched passage portions) of the gas flow passage 31 of the vacuum pump 3 from the branch point B2 is arranged in parallel to one another. The downstream portion (plurality of branched passage portions) of the hose 2 from the branch point B1 is also arranged in parallel to one another. Therefore, the plurality of sediment tanks 4 are also arranged in parallel to one another between the branch points B1 and B2.

[0040] Therefore, when the vacuum pump 3 is driven to supply the sediment D to the multiple (two) sediment tanks 4, the sediment D is evenly supplied to the multiple (two) sediment tanks 4. Note that the sediment recovery system 100 can also adjust and differentiate the amounts of sediment D supplied to the multiple (two) sediment tanks 4 by adjusting the opening of a valve 42, which will be described later.

[0041] The vacuum pump 3 is provided with a sealing liquid make-up water tank 32, a gas-liquid separator 33, and a generator .

[0042] The sealing liquid make-up tank 32 stores the sealing liquid to be supplied to the vacuum pump 3. The sealing liquid make-up tank 32 and the pump body 30 of the vacuum pump 3 are connected by a cylindrical sealing liquid flow path 32a that flows the sealing liquid toward the vacuum pump 3. The gas-liquid separation section 33 is configured to separate the sealing liquid and gas discharged from the vacuum pump 3 and return the sealing liquid to the sealing liquid make-up tank 32. The separated gas is discharged to the outside. The generator 34 is a portable generator and is configured to generate power to drive the vacuum pump 3 using a predetermined fuel.

[0043] (Sediment tank configuration) 2 and 3, the sediment tank 4 is configured to be located between the hose 2 and the vacuum pump 3 in the flow direction of the intake air of the vacuum pump 3. A plurality of (two) sediment tanks 4 are provided on the on-board structure 102. The sediment tanks 4 are configured to store the sediment D sucked in by the vacuum pump 3. The sediment tank 4 includes an openable and closable discharge port 40 for discharging the stored sediment D into a sandbag H. The discharge port 40 is provided at the lower end of the sediment tank 4.

[0044] As one example, the sediment tank 4 has an internal space with a circular horizontal cross section and extends in the vertical direction. The lower part of the sediment tank 4 is configured so that the area of ​​the horizontal cross section of the internal space gradually decreases toward the discharge outlet 40 at the lower end. That is, the lower part of the sediment tank 4 is provided with an inclined surface 41 that slopes toward the discharge outlet 40.

[0045] Further, the discharge port 40 is provided with a discharge port valve 40a that can be opened and closed. The discharge port valve 40a is held in a closed state while the vacuum pump 3 is driven and the sediment D flows into the sediment tank 4. In other words, while the vacuum pump 3 is driven and the sediment D flows into the sediment tank 4, the sediment D is not discharged from the discharge port 40 into the sandbag H. The discharge port valve 40a is a manual valve that is opened and closed by the user.

[0046] The discharge valve may be an electric valve that is driven to open and close by an electric motor. In this case, the sediment recovery system may be configured to automatically control the discharge valve configured by the electric valve to open and close at a predetermined timing, taking into consideration the amount of sediment discharged into the sandbag, the duration of discharge, the storage time of the sediment in the sediment tank, and the like. In this case, the sediment recovery system includes a control unit having a CPU and memory that are responsible for controlling the opening and closing of the electric valve. This control unit may be configured as a control panel that accepts predetermined input operations for control. The discharge valve may be a solenoid valve instead of the electric valve.

[0047] Each of the multiple sediment tanks 4 is provided with a valve 42 that stops the inflow of sediment D into the sediment tank 4 when the sediment D is collected using sandbags H. The sediment collection system 100 is configured to be able to close the valve 42 in one sediment tank 4 to collect the sediment D using sandbags H, while simultaneously opening the valve 42 in another sediment tank 4 to store the sediment D. In short, the sediment collection system 100, which includes multiple sediment tanks 4, is configured to be able to store the sediment D in the sediment tank 4 and collect the sediment D discharged from the sediment tank 4 using sandbags H in parallel.

[0048] Two valves 42 are provided for each sediment tank 4. Specifically, one valve 42 is provided for each sediment tank 4 on the sediment tank 4 side of the branch point B1 of the hose 2, and one valve 42 is provided for each sediment tank 4 on the sediment tank 4 side of the branch point B2 of the gas flow path 31 of the vacuum pump 3. The two valves 42 sandwiching one sediment tank 4 from the upstream and downstream sides are both opened when the sediment D is stored, and are both closed when the sediment D is collected. The valves 42 are manual valves that are opened and closed by the user.

[0049] In addition, like the discharge port valve, the valve may be an electric valve that is driven to open and close by an electric motor. In this case, the sediment recovery system may be configured to automatically control the valve constituted by the electric valve to open and close at a predetermined timing, taking into consideration the amount of sediment discharged into the sandbag, the duration of discharge, the storage time of the sediment in the sediment tank, and the like. In this case, the sediment recovery system includes a control unit having a CPU and memory that are responsible for controlling the opening and closing of the electric valve. This control unit may be configured as a control panel that accepts predetermined input operations for control. In addition, the valve may be a solenoid valve instead of the above-mentioned electric valve.

[0050] The sediment tank 4 includes a sediment flow inlet 43 through which the sediment D flows in, a gas outlet 44 provided above the sediment flow inlet 43 through which gas flows out, and a storage section 45 for storing the sediment D. That is, the sediment tank 4 is configured so that the sediment D flows in from the sediment flow inlet 43, which is disposed between the storage section 45 and the gas outlet 44 in the height direction.

[0051] The hose 2 is connected to the sediment flow inlet 43. The gas flow passage 31 of the vacuum pump 3 is connected to the gas outlet 44. The storage section 45 corresponds to the lower part of the sediment tank 4 provided with the inclined surface 41. The storage section 45 stores the sediment D (solid and liquid) by its own weight.

[0052] The sediment tank 4 is provided with a vacuum breaker valve 4a for releasing the vacuum state inside the sediment tank 4. The vacuum breaker valve 4a is switched from a closed state to an open state before the discharge port valve 40a is opened to discharge the sediment D from the discharge port 40. As a result, the vacuum state inside the sediment tank 4 is released (vacuum broken). Furthermore, when discharge of the sediment D from the discharge port 40 is completed, the vacuum breaker valve 4a is switched from an open state to a closed state.

[0053] The sediment tank 4 shown in Fig. 3 is configured to separate the sediment D (solid and liquid) discharged from the discharge port 40 and collected by a sandbag H (see Fig. 2) from the gas sucked into the vacuum pump 3. In short, the sediment tank 4 is configured to remove foreign matter from the gas before the vacuum pump 3, which is configured to be able to suck in only the gas.

[0054] Furthermore, the sediment tank 4 is configured to separate the particles D1 (fine solid and liquid) contained in the sediment D from the gas so that the particles D1 do not flow into the vacuum pump 3.

[0055] In detail, between the sediment flow inlet 43 and the gas flow outlet 44 in the sediment tank 4, there are provided a first plate member 46 having a first opening 46a and a second plate member 47 having a second opening 47a.

[0056] The first plate member 46 and the second plate member 47 are both circular plate members extending horizontally, and are partition plates that divide the internal space of the sediment tank 4 into upper and lower spaces. Therefore, the internal space of the sediment tank 4 is divided into three internal spaces arranged vertically by the first plate member 46 and the second plate member 47. The first plate member 46 and the second plate member 47 are disposed approximately parallel to each other. The first plate member 46 is disposed below the second plate member 47 and above the sediment flow inlet 43. The second opening 47a is disposed below the gas outlet 44.

[0057] The first opening 46a of the circular first plate member 46 is disposed radially outward of the first plate member 46. The first opening 46a of the circular first plate member 46 is formed by a plurality of through holes provided at approximately equal angular intervals in the circumferential direction. As an example, the first opening 46a is formed in a half-moon shape extending along an arc centered on the central position of the circular first plate member 46.

[0058] The second opening 47a of the circular second plate member 47 is disposed radially inward of the second plate member 47. The second opening 47a of the circular second plate member 47 is formed by one through hole provided at the center position of the second plate member 47. As an example, the second opening 47a is formed in a circular shape.

[0059] Also, the second opening 47a is disposed at a position offset from the first opening 46a in a plan view. That is, directly above the first opening 46a of the first plate member 46, not the second opening 47a of the second plate member 47, but a plate portion of the second plate member 47 is disposed. Naturally, directly below the second opening 47a of the second plate member 47, not the first opening 46a of the first plate member 46, but a plate portion of the first plate member 46 is disposed. In the horizontal direction, the distances between the second opening 47a and each of the first openings 46a are equal to each other.

[0060] Here, the gas that passes upward through the first opening 46a moves substantially vertically upward due to inertia in the internal space between the first plate member 46 and the second plate member 47. Therefore, the gas that passes upward through the first opening 46a collides with the plate portion of the second plate member 47. In this manner, the sediment tank 4 is configured to cause the gas that has passed through the first opening 46a to collide with the second plate member 47, thereby separating the fine particles D1 contained in the gas from the gas.

[0061] To explain the details of the gas flow, when the gas that has passed through the first opening 46a collides with the second plate member 47, the fine particles D1 contained in the gas are shaken off from the gas into the storage section 45 below, and the fine particles D1 are separated from the gas. The pure gas from which the fine particles D1 have been separated upon collision with the second plate member 47 first meanders downward and toward the center of the sediment tank 4, and then flows from the lower side of the second opening 47a toward the second opening 47a above, and passes through the second opening 47a.

[0062] The gas outlet 44 of the sediment tank 4 is disposed directly above the second opening 47a. Therefore, the gas that has passed through the second opening 47a flows toward the gas outlet 44 directly above in an approximately straight line without meandering.

[0063] (Configuration of bag body mounting member) 2, the bag attachment member 5 is disposed on the lower side of the sediment tank 4. The bag attachment member 5 is configured so that a sandbag H for collecting the sediment D discharged from the discharge port 40 can be detachably attached thereto.

[0064] The bag attachment member 5 includes a slide mechanism 5a. The slide mechanism 5a is configured to be able to slide the sandbag H between a deposit discharge position P1 directly below the discharge port 40 inside the on-board structure 102 and a bag discharge position P2 outside the on-board structure 102 where the sandbag H from which the deposit D has been collected is discharged.

[0065] As one example, when the sandbag H which has collected the deposit D is at the deposit discharge position P1, the sandbag H (slide member 50) overlaps (approximately) with the vehicle T (vehicle-mounted structure 102), at least in a plan view. Also, as one example, when the sandbag H which has collected the deposit D is at the bag body discharge position P2, the sandbag H (slide member 50) does not overlap (approximately) with the vehicle T (vehicle-mounted structure 102), at least in a plan view.

[0066] As shown in FIG. 4, the slide mechanism 5a includes a slide member 50 to which a sandbag H (see FIG. 2) is attached, and a guide rail 51 that guides the movement of the slide member 50.

[0067] (Configuration of the "slide member" of the slide mechanism included in the bag body mounting member) The slide member 50 is a flat plate member that extends horizontally and has a thickness in the vertical direction. As an example, the slide member 50 is a rectangular plate member. The slide member 50 has a circular hole 50a in the center in which the sandbag H is placed.

[0068] The slide member 50 also has protrusions 50b to which the sandbags H are attached by engagement. A plurality of protrusions 50b are provided on the upper surface of the slide member 50 along the edge of the hole 50a. The plurality of protrusions 50b are disposed at approximately equal angular intervals in the circumferential direction of the hole 50a.

[0069] As an example, the protrusion 50b extends upward from the upper surface of the slide member 50, and is formed so that the upper end portion is bent in the opposite direction to the hole 50a. In other words, the protrusion 50b is formed in a hook shape. The protrusion 50b engages with the edge portion of the sandbag H that extends along the opening of the sandbag H.

[0070] The slide member 50 also has a plurality of wheels 50c for sliding movement at its lower portion. The plurality of wheels 50c are placed on a guide rail 51 from above.

[0071] The slide member 50 is provided with a grip portion 50d. The grip portion 50d is configured to be gripped by a user when moving the slide member 50 along the guide rail 51. As one example, the grip portion 50d is configured with a C-shaped handle that is pushed and pulled by the user's hand.

[0072] Also, as one example, only one grip portion 50d is provided on the slide member 50. One grip portion 50d protrudes from a side end face of the slide member 50 to one side in the movement direction of the slide member 50. A plurality of grip portions may be provided on the slide member. In this case, the plurality of grip portions may protrude from the side end face of the slide member on both sides in the movement direction of the slide member.

[0073] (Configuration of "guide rail" of slide mechanism included in bag body mounting member) 2, the guide rail 51 is configured to guide the movement of the slide member 50 between the deposit discharge position P1 and the bag body discharge position P2. As described above, the wheels 50c are placed on the guide rail 51 from above. The guide rail 51 is configured of a pair of frames (beams) extending horizontally in a direction in which the deposit discharge position P1 and the bag body discharge position P2 are aligned. Therefore, the deposit discharge position P1 and the bag body discharge position P2 are at approximately the same height.

[0074] A sandbag H attached to the slide member 50 is placed between a pair of frames of the guide rail 51. The pair of frames of the guide rail 51 are spaced apart from each other by a predetermined distance in the horizontal direction so as not to interfere with the sandbag H.

[0075] (Configuration of liquid storage section) The liquid storage unit 6 is installed on the vehicle-mounted structure 102 directly below the discharge outlet 40 and the bag mounting member 5. The liquid storage unit 6 is configured to store liquid leaking from the sandbags H that have collected the sediment D. As one example, the liquid storage unit 6 is configured by a so-called drain pan that is open at the top.

[0076] The liquid storage section 6 is configured to store liquid that has leaked (dried) from the sandbag H that has collected the deposit D. Note that the dripping of liquid from the sandbag H into the liquid storage section 6 is not completed instantaneously. For this reason, the sandbag H that has collected the deposit D is kept at the deposit discharge position P1 until the dripping of liquid into the liquid storage section 6 is almost complete. Then, after the dripping of liquid into the liquid storage section 6 is almost complete, the sandbag H is slid from the deposit discharge position P1 to the bag body removal position P2 by the slide mechanism 5a.

[0077] The bag attachment member may include a vibrator that vibrates the sandbag attached to the slide member to promote the liquid dripping into the liquid storage section. In addition, the bag attachment member may include a pressing mechanism that presses (squeezes) the sandbag attached to the slide member to promote the liquid dripping from the sandbag into the liquid storage section.

[0078] As described above, the deposit discharge position P1 and the bag body discharge position P2 are at approximately the same height. That is, the bag body discharge position P2 is at a relatively high position above the loading platform T1 of the vehicle T. Therefore, as one example, the sandbag H slid to the bag body discharge position P2 is removed from the protrusion 50b at the bag body discharge position P2, the opening is closed, and then the sandbag H is moved downward by using a predetermined liftable unloader N to be discharged.

[0079] The liquid storage unit 6 is provided with a drainage pump 60 that drains the liquid stored in the liquid storage unit 6. The drainage pump 60 drains the liquid stored in the liquid storage unit 6 to the outside of the vehicle T. As a specific example, the drainage pump 60 drains the liquid stored in the liquid storage unit 6 into a gutter via a hose 60a.

[0080] (Deposit collection operation by the deposit collection system) 1 and 2, a description will be given of the recovery operation (procedure) of the sediment D by the sediment recovery system 100. Here, the recovery operation will be described, which starts from a state in which storage of the sediment D in one sediment tank 4 is completed and the other sediment tank 4 is empty.

[0081] First, the two valves 42 of the other sediment tank 4 are opened to allow the sediment D to flow into the other sediment tank 4. Also, the two valves 42 of one of the sediment tanks 4 are closed to prevent any more of the sediment D from flowing into the one of the sediment tanks 4.

[0082] Next, an empty sandbag H is attached to the slide member 50 at the sediment discharge position P1 directly below the discharge port 40 of one of the sediment tanks 4. More specifically, the empty sandbag H is engaged with the protrusion 50b of the slide member 50. Note that after the empty sandbag H is attached to the slide member 50 at the bag body discharge position P2, the slide member 50 may be moved from the bag body discharge position P2 to the sediment discharge position P1.

[0083] Then, in one of the sediment tanks 4, the discharge outlet valve 40a is opened to discharge and collect the sediment D from the discharge outlet 40 into an empty sandbag H. The sandbag H with the collected sediment D is then held at the sediment discharge position P1 until the dripping of the liquid into the liquid storage section 6 is almost completed, and then slid along the guide rails 51 to the bag body discharge position P2 and removed.

[0084] While the sediment D is collected and removed from one of the sediment tanks 4 using sandbags H, the other sediment tank 4 stores the sediment D using a vacuum pump 3. Therefore, the sediment collection system 100 is configured so that while one worker is collecting and removing the sediment D from the sediment tank 4 in the vehicle T, another worker can simultaneously suck up the sediment D using the hose 2 inside the house K.

[0085] (Effects of the embodiment) In this embodiment, the following effects can be obtained.

[0086] In this embodiment, as described above, the sediment tank 4 and the bag attachment member 5 are provided on the common vehicle-mounted structure 102, the sediment tank 4 is configured to include an openable and closable discharge port 40 for discharging the stored sediment D, the bag attachment member 5 is disposed on the lower side of the sediment tank 4, and a sandbag H for collecting the sediment D discharged from the discharge port 40 is detachably attached thereto. In this way, when the sediment tank 4 is filled with the sediment D, the sandbag H can be attached to the bag attachment member 5 disposed on the lower side of the sediment tank 4 at the site of collecting the sediment D, and the sediment D stored in the sediment tank 4 can be collected by the sandbag H. In other words, when the sediment tank 4 is filled with the sediment D, the sandbag H attached to the bag attachment member 5 can be used to immediately remove the sediment D from the sediment tank 4 on the spot. Therefore, the sediment D stored in the sediment tank 4 can be easily removed and the collection of the sediment D can be continued.

[0087] In this embodiment, as described above, the bag body includes a sandbag H that has water permeability and collects the deposit D. This allows the sandbag H, which has water permeability (liquid permeability), to remove liquid from the collected deposit D, making it lighter. As a result, the sandbag H can be easily removed. In other words, the burden on the worker can be reduced. In addition, in the event of a disaster such as flooding below or above the floor, accumulated mud and the like can be easily collected by the sandbag H. The sandbags H that have collected mud and the like can be stacked up to form a wall to prevent further flooding.

[0088] In this embodiment, as described above, the installation member is the on-board structure 102 mounted on the vehicle T, and the on-board structure 102 is configured to have the vacuum pump 3 installed thereon in addition to the sediment tank 4 and the bag body mounting member 5, and is configured to be moved by the vehicle T. This allows the unit of the sediment tank 4, the bag body mounting member 5, and the vacuum pump 3 installed on the vehicle T via the on-board structure 102 to be easily moved by the vehicle T. Therefore, even if the collection sites for the sediment D are located in multiple locations separated from each other, the unit of the sediment tank 4, the bag body mounting member 5, and the vacuum pump 3 can be easily transported. In the event of a disaster, mud and the like can be quickly collected from multiple flooded houses K and the like.

[0089] In this embodiment, as described above, the bag attachment member 5 includes a slide mechanism 5a capable of sliding the sandbag H between the deposit discharge position P1 directly below the discharge port 40 inside the vehicle-mounted structure 102 and the bag discharge position P2 outside the vehicle-mounted structure 102 for discharging the sandbag H containing the collected deposit D. This allows the slide mechanism 5a to move the sandbag H containing the collected deposit D to the bag discharge position P2 away from the deposit tank 4. Therefore, the sandbag H containing the collected deposit D can be moved to a position where the deposit tank 4 is not nearby and there is relatively more space, making it easy to carry out the work of discharging the sandbag H containing the collected deposit D.

[0090] In this embodiment, as described above, the slide mechanism 5a includes the slide member 50 having the protrusions 50b to which the sandbags H are attached by engagement, and the guide rails 51 that guide the movement of the slide member 50 between the pile discharge position P1 and the bag body transport position P2. This allows the sandbags H to be easily attached to the slide member 50 by the protrusions 50b. In addition, the guide rails 51 allow the slide member 50 to stably move with the sandbags H attached thereto.

[0091] In this embodiment, as described above, the slide member 50 is provided with the grip portion 50d that is gripped by the user when moving the slide member 50 along the guide rail 51. This allows the user to move the slide member 50 along the guide rail 51 simply by pulling the grip portion 50d, making it possible to easily move the slide member 50.

[0092] In this embodiment, as described above, the sandbag H is permeable, is installed on the vehicle-mounted structure 102 directly below the discharge port 40 and the bag body mounting member 5, and further includes a liquid storage section 6 for storing liquid leaking from the sandbag H that has collected the deposit D, and the liquid storage section 6 is provided with a drainage pump 60 for draining the liquid stored in the liquid storage section 6. This allows the liquid that has leaked from the sandbag H to be stored by the liquid storage section 6, thereby preventing the scaffolding at the site where the deposit D is collected from getting wet. In addition, the drainage pump 60 allows the liquid stored in the liquid storage section 6 to be easily drained.

[0093] In this embodiment, as described above, a plurality of sediment tanks 4 are provided on the vehicle-mounted structure 102, and each of the plurality of sediment tanks 4 is provided with a valve 42 for stopping the inflow of sediment D into the sediment tank 4 when the sediment D is collected using a sandbag H. The valve 42 can be closed in one sediment tank 4 to collect the sediment D, and the valve 42 can be opened in another sediment tank 4 to store the sediment D at the same time. This allows the sediment D to be collected from the sediment tank 4 and the sediment D to be stored in the sediment tank 4 in parallel, so that the collection of the sediment D can be performed efficiently. In the event of a disaster, the collection can be performed efficiently in a flooded house K, etc., so that the work time of workers can be shortened.

[0094] In this embodiment, as described above, the sediment tank 4 includes a sediment inlet 43 through which the sediment D flows in and a gas outlet 44 provided above the sediment inlet 43 through which gas flows out, and further includes a hose 2 connected to the sediment inlet 43 and sucking in the sediment D. The suction device is a vacuum pump 3 connected to the gas outlet 44 and drawing in only gas into the inside of the pump body 30 via the hose 2 and the sediment tank 4, thereby generating a suction force to suck in the sediment D together with the gas from the hose 2 toward the sediment tank 4. Between the sediment inlet 43 and the gas outlet 44 in the sediment tank 4, a first plate member 46 having a first opening 46a and a second plate member 47 having a second opening 47a arranged at a position offset from the first opening 46a in a plan view are provided. The sediment tank 4 is configured to collide the gas that has passed through the first opening 46a with the second plate member 47, thereby separating the fine particles D1 contained in the gas from the gas. This allows the gas that has passed through the first opening 46a to flow toward and collide with the plate portion instead of the second opening 47a of the second plate member 47, so that the fine particles D1 contained in the gas can be effectively separated from the gas. Therefore, the fine particles D1 can be prevented from being sucked into the vacuum pump 3.

[0095] In this embodiment, as described above, the gas outlet 44 of the sediment tank 4 is disposed directly above the second opening 47a. This allows the gas to flow linearly from the second opening 47a toward the gas outlet 44 without colliding with the inner surface of the sediment tank 4, thereby suppressing gas pressure loss.

[0096] (Modification) The embodiments disclosed herein should be considered to be illustrative and not restrictive in all respects. The scope of the present invention is indicated by the claims, not by the description of the embodiments above, and further includes all modifications (variations) within the meaning and scope of the claims.

[0097] For example, in the above embodiment, an example was shown in which the installation member of the present invention is configured by the vehicle-mounted structure 102 (configured to be installed on the vehicle T), but the present invention is not limited to this. In the present invention, the installation member may be configured to be installed on a structure other than a vehicle, such as a ship, a hand-pushed cart, or the ground.

[0098] In the above embodiment, the on-board structure 102 is mounted on the bed T1 of the vehicle T, but the present invention is not limited to this. In the present invention, the on-board structure may include the bed of the vehicle. Alternatively, the on-board structure may be a box-shaped container or the like.

[0099] In the above embodiment, the suction device of the present invention is configured by the vacuum pump 3, but the present invention is not limited to this. In the present invention, the suction device may be configured by a blower that sucks in sediment by wind power. Also, instead of sucking (pulling in) the sediment in the house by the vacuum pump, a pump that pressure-feeds the sediment toward a sediment tank may be installed at the end of a hose in the house.

[0100] In the above embodiment, the vacuum pump 3 is driven by the generator 34, but the present invention is not limited to this. In the present invention, the vacuum pump may be driven by an external power source, a battery, or the like.

[0101] In the above embodiment, the sediment collection system 100 includes two sediment tanks 4, but the present invention is not limited to this. In the present invention, the sediment collection system may include one sediment tank, or three or more sediment tanks.

[0102] In the above embodiment, an example was shown in which both the first plate member 46 and the second plate member 47 were provided in the sediment tank 4, but the present invention is not limited to this. In the present invention, the sediment tank may be provided with only one of the first plate member and the second plate member. Also, the sediment tank does not need to be provided with both the first plate member and the second plate member. In this case, for example, a filter that allows gas to pass through may be provided in the sediment tank to separate fine particles in the gas from the gas.

[0103] In the above embodiment, the first plate member 46 includes four first openings 46a, but the present invention is not limited to this. In the present invention, the first plate member may include a number of first openings other than four.

[0104] In the above embodiment, the second plate member 47 includes one second opening 47a, but the present invention is not limited to this. In the present invention, the second plate member may include a number of second openings different from one.

[0105] In the above embodiment, the first opening 46a of the first plate member 46 is formed in a half-moon shape, but the present invention is not limited to this. In the present invention, the first opening of the first plate member may be formed in a shape other than the half-moon shape, such as a circular shape.

[0106] In the above embodiment, the second opening 47a of the second plate member 47 is formed in a circular shape, but the present invention is not limited to this. In the present invention, the second opening of the second plate member may be formed in a shape other than a circular shape, such as a rectangular shape.

[0107] In the above embodiment, the sediment tank 4 is formed to have an internal space whose horizontal cross section is circular, but the present invention is not limited to this. In the present invention, the sediment tank may be formed to have an internal space whose horizontal cross section is different from a circle, such as a rectangle.

[0108] In the above embodiment, the bag body of the present invention is configured by a sandbag H, but the present invention is not limited to this. In the present invention, the bag body of the present invention may be configured by a bag body other than a sandbag, such as a vinyl bag.

[0109] In the above embodiment, the sliding member 50 is manually slid, but the present invention is not limited to this. In the present invention, a driving source for sliding the sliding member may be provided. For example, a motor for rotating the wheels of the sliding member, an air cylinder for pressing the sliding member, or the like may be provided as the driving source.

[0110] In the case where the drive source is provided, as described in the above embodiment, if the discharge valve is an electric valve and the sediment recovery system controls the opening and closing timing of the electric valve, the sediment recovery system may perform the following control. For example, the sediment recovery system performs control to drive the drive source at a predetermined timing that matches the opening and closing timing of the electric valve. As a specific example, the sediment recovery system uses the passage of a predetermined time (the time required for the liquid to roughly complete dripping from the sandbag into the liquid storage section) from the time the electric valve, which is the discharge valve, is closed as a trigger to move the slide member from the sediment discharge position to the bag body transport position by the drive source.

[0111] In the above embodiment, the liquid storage unit 6 (e.g., a drain pan) is provided with a drainage pump 60 for draining water, but the present invention is not limited to this. In the present invention, the liquid storage unit does not need to be provided with a drainage pump for draining water. In this case, for example, a drainage hole may be provided in the lower part of the liquid storage unit, and the liquid may be discharged through the drainage hole into an external gutter or the like.

[0112] In the above embodiment, the sediment recovery system 100 is used to recover sediment D such as mud in a house K that has been flooded due to a disaster, but the present invention is not limited to this. In the present invention, the sediment recovery system may be used to recover sediment such as soil and sand from a gutter. The sediment recovery system may be used to recover sediment such as sludge and waterweed in digging work. The sediment recovery system may be used to recover sediment such as bilge. The sediment recovery system may be used to recover sediment deposited on the bottom of a tank used in the manufacture of food products. The sediment recovery system may be used to recover wash water, which is sediment deposited on a floor surface during floor washing. The sediment recovery system may be used to recover concrete sludge water, which is sediment. The sediment recovery system may be used in dredging work. [Explanation of symbols]

[0113] 2 Hose 3 Vacuum pump (suction device) 4 Sediment Tank 5 Bag body attachment member 5a Slide mechanism 6 Liquid storage section 30 Pump body 40 (Sediment tank) outlet 42 Valve 43 Sediment flow inlet (for sediment tank) 44 (Sediment tank) gas outlet 46 1st plate member 46a (first plate member) first opening 47 Second plate member 47a (second plate member) second opening 50 (Slide mechanism) Slide member 50b Protrusion 51 (Slide mechanism) guide rail 50d grip part 60 Drainage Pump 100 Sediment Collection System 102 Vehicle-mounted structure (installation member) D Deposit D1 Fine particles H Sandbag (Bag Body) P1 Sediment discharge position P2 Bag unloading position T Vehicle

Claims

1. a suction device that generates a suction force to suck in the deposits; a sediment tank configured to store the sediment sucked by the suction device and including an openable and closable outlet for discharging the stored sediment; a bag attachment member disposed below the sediment tank, to which a bag for collecting the sediment discharged from the discharge port is detachably attached; a mounting member provided in common to the sediment tank and the bag mounting member, on which the sediment tank and the bag mounting member are mounted.

2. The sediment recovery system according to claim 1 , wherein the bag body is permeable to water and includes a sandbag for collecting the sediment.

3. The installation member is an on-vehicle structure to be mounted on a vehicle, The sediment recovery system of claim 1 , wherein the vehicle-mounted structure is configured to accommodate the suction device in addition to the sediment tank and the bag mounting member, and is configured to be moved by the vehicle.

4. The deposit collection system of claim 3, wherein the bag mounting member includes a sliding mechanism capable of sliding the bag between a deposit discharge position directly below the discharge outlet inside the vehicle-mounted structure and a bag discharge position outside the vehicle-mounted structure for discharging the bag after collecting the deposit.

5. The slide mechanism includes: a slide member having a protrusion to which the bag body is attached by engagement; The deposit recovery system according to claim 4 , further comprising a guide rail for guiding movement of the slide member between the deposit discharge position and the bag discharge position.

6. The deposit recovery system according to claim 5 , wherein the slide member is provided with a gripping portion that is gripped by a user when the slide member is moved along the guide rail.

7. The bag body has water permeability, a liquid storage section that is installed on the installation member immediately below the discharge port and the bag attachment member and that stores liquid leaking from the bag after collecting the deposit; The deposit recovery system according to claim 1 , wherein the liquid storage section is provided with a drainage pump that drains the liquid stored in the liquid storage section.

8. The sediment tank is provided in plurality on the installation member, Each of the plurality of sediment tanks is provided with a valve that stops the inflow of the sediment into the sediment tank when the sediment is collected by the bag body, The sediment recovery system of claim 1 , configured to be capable of closing the valve in one of the sediment tanks to recover the sediment while simultaneously opening the valve in another of the sediment tanks to store the sediment.

9. The sediment tank includes a sediment flow inlet through which the sediment flows, and a gas outlet provided above the sediment flow inlet through which gas flows out, a hose connected to the sediment inlet for sucking the sediment; the suction device is a vacuum pump that is connected to the gas outlet and draws only the gas into the pump body through the hose and the sediment tank, thereby generating a suction force that sucks the sediments together with the gas from the hose toward the sediment tank; a first plate member having a first opening and a second plate member having a second opening disposed at a position shifted from the first opening in a plan view, the first plate member being provided between the sediment flow inlet and the gas flow outlet in the sediment tank; The sediment recovery system of claim 1 , wherein the sediment tank is configured to collide the gas that has passed through the first opening with the second plate member to separate fine particles contained in the gas from the gas.

10. The sediment recovery system of claim 9 , wherein the gas outlet of the sediment tank is disposed directly above the second opening.

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