JP2007255096A - Discharge gate of storage tank for suction vehicle and suction equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a discharge gate of a storage tank for a suction vehicle and suction equipment, which enables a recovery object to be sucked into the storage tank, and which enables the discharge of water in the recovery object stored in the storage tank. <P>SOLUTION: A gate body 60 of a tail gate 27 is provided with: a suction pipe 63 which sucks the recovery object into a tank body 61; and a drain inlet 32 which discharges the water in the recovery target sucked into the tank body 61, a separation plate 70, in which an opening 73 is formed in a position of the suction pipe 63, is provided between the gate body 60 and the tank body 61, a drainage part 66, which communicates with the drain inlet 32, is provided between the separation plate 70 and the gate body 60, a bulkhead 80 is provided between the drainage part 66 and the opening 73 of the separation plate 70, and the separation plate 70 is provided with a plurality of communication holes 75 for discharging the water in the recovery object, stored in the tank body, into the drainage part 66. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a discharge tank of a storage tank in a suction wheel and a suction device.

  Conventionally, in order to collect and collect sludge, mud sand and other objects to be collected, such as sludge collection in sewage pipes, manholes, side ditches of roads, muddy sand collection in water purification plants, or dredging work in general rivers, etc. A suction device is used. As an example of this type of suction wheel or suction device, there is one in which a roots blower (suction force generator) is provided on the front side of the body frame and a storage tank is provided at the rear of the body frame so as to be tiltable. According to the suction wheel and the suction device, the collection target is sucked and stored in the storage tank, transported to a predetermined disposal location, and discharged.

  When a collection target is sucked into the storage tank of such a suction wheel, a large amount of water is often sucked at the same time, and the collection target and a large amount of water are stored in the storage tank. Since the capacity of the storage tank is limited, it is necessary to discharge water in order to store many collection objects in the storage tank.

  Therefore, as a conventional technique related to the discharge gate of this type of sludge truck, for example, an opening / closing lid is provided at the rear opening of the tank body, and a pair of left and right partition walls and a discharge pipe are provided on the opening / closing lid. A separation plate that prevents the passage of sludge is provided between the main body, and a sewage chamber is formed on the opening / closing lid side by this separation plate and the partition wall, so that water excluding sludge in the tank can be discharged. (For example, refer to Patent Document 1).

In addition, as another conventional technique, there is one that is discharged from a drain cock through a chain screen or a punching plate that stops sludge among those sucked into a storage tank (see, for example, Patent Document 2).
JP 59-96342 A (2nd page, FIGS. 2 and 3) Japanese Utility Model Publication No. 5-42150 (pages 2, 3 and 1, 2)

  However, in the sludge truck described in Patent Document 1 and Patent Document 2, it is configured to discharge excess water that is not a recovery target from a discharge gate provided at the rear of the storage tank. In these technologies, the collection target is sucked into the storage tank and a large amount of the sucked water is discharged from the same discharge gate. I can't.

  Therefore, the present invention provides a suction gate for a storage tank in a suction wheel and a suction device capable of suctioning the recovery target into the storage tank and discharging water in the recovery target stored in the storage tank. The purpose is to provide.

  In order to achieve the above object, the discharge gate of the present invention is a discharge tank of a storage tank in an openable and closable suction wheel and a suction device that discharges a collection object sucked and stored in a tank body, and the discharge gate The gate body of the gate is provided with a suction pipe for sucking the collection object into the tank body, and a drain port for discharging water in the collection object sucked into the tank body. The gate body and the tank body A separation plate having an opening at the position of the suction pipe, a drainage portion communicating with the drainage port between the separation plate and the gate body, and the drainage portion and the separation plate A partition wall is provided between the first and second openings, and a plurality of communication holes are provided in the separation plate for draining water in the collection object stored in the tank body to the drainage portion. This separates and discharges the water in the collection object stored in the tank body from a discharge gate that has a suction pipe that sucks the collection object and a drain port that discharges the water in the collected collection object. can do.

  Further, the gate body and the separation plate may be configured to be individually openable and closable, and a fixture for locking the separation plate and the gate body may be provided. Thereby, the gate body and the separation plate can be opened and closed individually, and cleaning of these configurations can be easily performed.

  Furthermore, a support part for the separation plate may be provided on the gate body below a predetermined distance from the gate support part for supporting the gate body on the tank body so that the tank body can be opened and closed individually. Thereby, the fulcrum at which the separation plate opens and closes can be shifted with respect to the fulcrum at which the gate body opens and closes, and the opening and closing fulcrum of the separation plate can be positioned away from the tank body.

  Also, the partition wall is provided in the gate body, a lower partition wall is provided between the partition walls below the opening position of the separation plate, and the water in the collection object passes through the lower partition wall and communicates with the drain port. You may form the isolation | separation part which provided the some communicating hole made. Thereby, the water in the collection | recovery target object exceeding the opening part of a separation plate can be discharged | emitted from the communicating hole of a separation part to a drain outlet.

  Furthermore, the tank body side end of the suction pipe may be configured to be replaceable. Thereby, even if the end part on the main body side of the suction pipe is worn, only the end part on the main body side of the suction pipe can be easily replaced.

  According to the present invention, it is possible to discharge the collection object sucked into the storage tank of the suction device and discharge a large amount of water sucked at the same time from the same discharge gate by means as described above.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 is a side view showing a suction wheel according to an embodiment of the present invention, FIG. 2 is a plan view of the suction wheel shown in FIG. 1, and FIG. 3 is a rear view of the suction wheel shown in FIG. FIG. 4 is a system diagram showing the air flow in the flow path in the suction wheel shown in FIG. The overall configuration of the suction wheel 1 will be described based on these drawings. In the following description, the front side, rear side, left side, and right side refer to the front side, rear side, port side, and starboard side of the vehicle.

  As shown in FIGS. 1 and 2, a storage tank 3 is tiltably provided at a rear portion of the sub-frame 17 on the vehicle body frame 2 of the suction wheel 1. Inside the storage tank 3 is provided a receiver rubber 5 against which a collection object sucked into the storage tank 3 via the suction hose 4 comes into contact. On the front side of the storage tank 3, a first water task rubber 7 connected via a first intake pipe 6 is provided. A flexible member 6A is used on the rear side of the first intake pipe 6 so that the storage tank 3 may tilt, and a steel pipe 6B is used on the front side. An opening / closing valve 22 that opens and closes the first intake pipe 6 is provided at an intermediate portion of the first intake pipe 6. The first water task rubber 7 is provided on a part of the tank 8 arranged on the side (left side in FIG. 2). A silencer 10 is provided on the front side of the first water task rubber 7 via a second intake pipe 9, and a roots blower 12 is provided on the lower side of the silencer 10 via a third intake pipe 11. The first water task rubber 7 removes dust and the like from the air in the storage tank 3 sucked by the roots blower 12, and the silencer 10 reduces noise generated when air is sucked into the roots blower 12. I am trying.

  A suction engine 14 for driving the roots blower 12 is provided on the front side of the roots blower 12 independently of the traveling engine. The suction engine 14 and the roots blower 12 are arranged side by side on a gantry 15 that is integrally formed. A drive mechanism 13 for driving the roots blower 12 by the suction engine 14 is also provided on the gantry 15. The gantry 15 is integrally formed in a frame shape so that the suction engine 14 and the roots blower 12 can be juxtaposed in the horizontal direction. The suction engine 14 and the roots blower 12 are juxtaposed in the horizontal direction on the gantry 15. By installing the vehicle, heavy objects are arranged low to lower the center of gravity of the vehicle. The gantry 15 is provided via a vibration isolation mechanism 18 on a subframe 17 that is integrally provided on the upper part of the vehicle body frame 2 in a state where the suction engine 14 is disposed on the rear side of the cab 16 of the suction wheel 1. . The vibration isolation mechanism 18 is constituted by a plurality of vibration isolation rubbers 42. Thereby, the vibration reduction from these structures is aimed at. In this embodiment, the silencer 10, the roots blower 12, the suction engine 14, the drive mechanism 13, and the mount 15 provided with these are covered by a soundproof cover 19. This soundproof cover 19 reduces noise from these configurations.

  Further, on the downstream side of the Roots blower 12, a first exhaust pipe 20 exhausted from the Roots blower 12, and a second water rubber 21 for removing fine dust and water droplets in the air exhausted from the first exhaust pipe 20 are provided. And are provided. An opening / closing valve 24 that opens and closes the first exhaust pipe 20 is provided at an intermediate portion of the first exhaust pipe 20 (FIGS. 1 and 4). The second water task rubber 21 is provided on the other side (the right side in FIG. 2) of the tank 8 in which the first water task rubber 7 is partially provided. The air that has passed through the second water task rubber 21 is guided to the lower part of the vehicle by the second exhaust pipe 46 and released into the atmosphere. It should be noted that the water task rubbers 7 and 21 in this embodiment are not necessarily limited to wet type dust collectors, and may be other dust collectors such as a plurality of louvers arranged in parallel. May be. Further, the driving of the roots blower 12 is not limited to the suction engine 14 provided independently of the traveling engine.

  Further, a pressure pipe 23 connects the upstream side of the first exhaust pipe 20 with respect to the opening / closing valve 24 and the upstream side of the opening / closing valve 22 of the first intake pipe 6. An opening / closing valve 25 for opening and closing the pressurizing pipe 23 is provided at an intermediate portion of the pressurizing pipe 23 (FIGS. 1 and 4). The pressurizing pipe 23 supplies the air exhausted from the first exhaust pipe 20 to the second water task rubber 21 into the storage tank 3 through the first intake pipe 6, and the collection target in the storage tank 3 is drained. It can be used as pressurized air to be discharged from the air.

  A load release air inlet 47 and an opening / closing valve 48 are provided between the opening / closing valve 22 of the first intake pipe 6 and the first water task rubber 7. The load release air introduction port 47 is an inlet for introducing outside air into the first intake pipe 6 by opening the on-off valve 48.

  The flow of air in these pipes will be described based on the system diagram of FIG. The solid arrow shown in the figure indicates the flow of air when the collection object is sucked into the storage tank 3, and the broken arrow shown in the figure indicates that air is discharged into the storage tank 3 when the collection object in the storage tank 3 is discharged. The flow when supplying is shown. When the object to be collected is sucked into the storage tank 3, the opening / closing valve 48 of the load opening air introduction port 47 and the opening / closing valve 25 of the pressurizing pipe 23 are closed, and the opening / closing valve 22 of the first intake pipe 6 and the first exhaust gas are exhausted. The on-off valve 24 of the pipe 20 is opened. When the roots blower 12 is driven in this state, as indicated by a solid arrow, the air in the storage tank 3 is sucked into the first water task rubber 7 from the upper part of the tank through the first intake pipe 6, and the first water task rubber 7 And is sucked into the roots blower 12 through the silencer 10. The exhaust from the roots blower 12 is exhausted to the second water task rubber 21 via the first exhaust pipe 20 and exhausted to the atmosphere from the second exhaust pipe 46.

  Further, when the collection object is discharged from the drain port 32 of the storage tank 3, the on-off valve 48 of the load release air introduction port 47 and the on-off valve 25 of the pressurizing pipe 23 are opened, and the first intake pipe 6 is opened and closed. The valve 22 and the opening / closing valve 24 of the first exhaust pipe 20 are closed. When the roots blower 12 is driven in this state, external air is drawn into the first water task rubber 7 from the load release air introduction port 47 through the first intake pipe 6B, as indicated by the broken arrow, and the first water task rubber 7 And is sucked into the roots blower 12 through the silencer 10. Exhaust gas from the roots blower 12 is supplied from the first exhaust pipe 20 into the storage tank 3 through the pressurizing pipe 23 and the first intake pipe 6A. By switching the on-off valves 22, 24, 25, 48 in this way, the collection target object can be sucked into the storage tank 3 and the collection target object can be discharged.

  On the other hand, as shown in FIG. 3, the rear portion of the storage tank 3 is provided with an upper support portion 26 at the upper portion of the tank, and is a discharge gate configured to open and close the lower portion with the upper support portion 26 as a fulcrum. A tailgate 27 is provided. The tailgate 27 is opened rearward around the upper support 26 by extending an open / close cylinder 28 provided on the side of the tank. When the open / close cylinder 28 is contracted, the tailgate 27 is closed.

  As shown in FIG. 1, the storage tank 3 is configured such that the front part swings upward and tilts with a lower support part 29 provided at the rear part of the vehicle body frame 2 as a fulcrum. . This tilting of the storage tank 3 is caused to rise by tilting the front part of the storage tank 3 by extending a tilting cylinder 30 which is a tilting means provided at the bottom of the tank. By retracting the tilting cylinder 30, the storage tank 3 is returned to the horizontal state. Further, the tail gate 27 as a discharge gate of this embodiment is provided with a suction port 31 at the center and a drain port 32 at the left side thereof. The suction hose 4 is connected to the suction port 31, and the hose (not shown) is similarly connected to the drain port 32. The drain port 32 is for discharging excess water in the collection target in the storage tank 3. The suction port 31 and the drain port 32 are provided with on-off valves 33 and 34, respectively. By switching the on-off valves 22, 24, 25, 48, the air released from the second water task rubber 21 into the atmosphere is supplied into the storage tank 3 from the pressurizing pipe 23, and the on-off valve 34 is opened, Excess water in the collection target in the storage tank 3 can be reliably discharged from the drain port 32 by air pressure.

  In this manner, the roots blower 12 is driven by the suction engine 14, and the air in the storage tank 3 is sucked by the roots blower 12, whereby the collection object is stored from the suction hose 4 connected to the suction port 31 of the tailgate 27. The air sucked into the tank 3 and sucked by the roots blower 12 is released into the atmosphere via the second water task rubber 21 or can be used as pressurized air for discharging the collection target in the storage tank 3. It is configured as follows.

  FIG. 5 (a) is a central longitudinal sectional view of the discharge gate in the suction wheel shown in FIG. 1, and FIG. 5 (b) is a longitudinal sectional view of the drain port of the discharge gate. 6 is a front view of the discharge gate shown in FIG. 5 viewed from the inside, FIG. 7 is a front view of the separation plate shown in FIG. 5 viewed from the inside, and FIG. 8 is a cross-sectional view taken along the line VIII-VIII shown in FIG. 9 is a cross-sectional view taken along the line IX-IX shown in FIG. 5, and FIG. 10 is a side view showing a state in which the discharge gate shown in FIG. 5 is opened.

  As shown in FIGS. 5 and 6, the tailgate 27 has an upper support portion 26 provided at the upper portion of the gate body 60 supported by the tank body 61, and the tailgate 27 is centered on the upper support portion 26. It is configured to open and close. A cylinder support shaft 62 is provided in the width direction of the substantially central portion of the gate body 60, and the opening / closing cylinder 28 (FIGS. 1 and 2) is connected to both ends thereof. The cylinder support shaft 62 also functions as a reinforcing member for fixing the suction pipe 63 that sucks the collection object into the storage tank 3, and a bracket 64 of the suction pipe 63 is fixed at the center. The suction pipe 63 is fixed to the bracket 64 and a concave portion 65 formed in the lower portion of the gate body 60, and is fixed integrally to the central portion of the gate body 60. Further, the entire gate body 60 is bulged to the side opposite to the tank body, and a drainage portion 66 communicating with the drainage port 32 is formed inside thereof. The concave portion 65 is formed in a lower central portion of the gate body 60 bulged to the side opposite to the tank body, and is formed by denting a part of the gate body 60 toward the tank body 61 side. Yes. The drain port 32 is provided on the left side of the concave portion 65, and the drain port 32 is provided so as to communicate with a drain portion 66 formed on the tank main body 61 side of the concave portion 65. Reference numeral 69 denotes a sealing material provided on the entire circumference of the gate body 60 on the tank body 61 side. The seal material 69 is formed of a rubber material or the like.

  Further, a flange 67 is provided at the end of the suction pipe 63 fixed to the center of the concave portion 65. By positioning the flange 67 in the concave portion 65, the amount by which the lower portion of the suction pipe 63 protrudes rearward from the tailgate 27 is reduced. The suction port 31 provided with the on-off valve 33 is attached to the flange 67 (FIG. 1).

  Further, in this embodiment, the tank pipe 61 side end portion of the suction pipe 63 integrally fixed to the gate body 60 is formed in the removable split pipe section 68. The split pipe portion 68 is configured to be detachable by a flange 68a at a predetermined distance from the end of the suction pipe 63. By removing the bolts 68b connecting the flanges 68a, only the dividing pipe portion 68 can be easily replaced.

  Further, on the tank body 61 side of the gate body 60 configured as described above, a separation plate 70 that discharges a large amount of water simultaneously with the collection target in the storage tank 3 to the drainage portion 66 of the gate body 60. Is provided. The separation plate 70 is provided between the gate main body 60 and the tank main body 61 and is provided so as to close the tank main body 61 side of the drainage portion 66.

  As shown in FIG. 7, the separation plate 70 has a flat plate-like separation plate main body 71 with reinforcing ribs 72 erected, and an opening 73 is formed at the center upper portion. As shown in FIG. 10 to be described later, the opening 73 is formed in a size that does not contact the suction pipe 63 when the separation plate 70 supported by the gate body 60 is rotated. A separation plate side support member 74 that supports the separation plate 70 is provided on the upper part of both sides of the opening 73. In addition, the separation plate body 71 is provided with a plurality of communication holes 75 as described above. In this embodiment, the communication hole 75 is formed by a round hole, but the communication hole 75 may be configured as a communication groove. A locking lever 76 is provided below the opening 73. The locking lever 76 locks the separating plate 70 on the gate body 60 by locking the locking piece 78 connected by the shaft 77 to the locking member 79 (FIG. 6) provided on the gate body 60 described above. It is for opening and closing integrally. These constitute a fixture.

  As shown in FIGS. 6 and 8, the gate body 60 is provided with a partition wall 80 in the vertical direction with a width dimension equivalent to the width dimension of the opening 73 of the separation plate 70. A central portion of the gate body 60 partitioned by the partition wall 80 is formed in the central drainage portion 81. The drainage portion 66 is formed in a U shape on both sides and the lower portion of the central drainage portion 81. The gate body 60 is provided with a gate-side support member 82, and the separation plate-side support member 74 of the separation plate 70 is supported by a support shaft 83 supported by the gate-side support member 82 and the partition wall 80. Has been. Further, a contact portion 84 having a predetermined width is formed on the partition plate 70 side of the partition wall 80. The abutting portion 84 and the locking member 79 are in contact with the separation plate 70 with a predetermined width to prevent the solid content in the collection target from coming out of the tank body 61 side to the drainage portion 66 side.

  In the horizontal cross section at the position of the separation plate side support member 74, as shown in FIG. 8, a central drainage portion 81 between the opening 73 formed in the separation plate 70 and the partition wall 80 provided in the gate body 60, In such a state, the drainage portions 66 formed on both sides of the partition wall 80 of the gate body 60 are in communication with the tank body 61 only through the communication holes 75 formed in the separation plate 70. .

  As shown in FIG. 9, in this embodiment, excess water that has flowed into the central drainage portion 81 from the opening 73 of the separation plate 70 is placed in the lower portion of the central drainage portion 81 formed by the partition wall 80. A lower partition wall 87 in which a separating portion 85 for discharging is formed is provided. The separation portion 85 of the lower partition wall 87 is provided with a communication hole 86 through which a large amount of water sucked at the same time as the collection target is passed. The communication hole 86 is preferably provided with a large number of small diameter holes.

  Therefore, according to this embodiment, the water on the tank main body 61 side is discharged from the communication hole 75 formed in the separation plate 70 to the drainage portion 66 and the central drainage portion 81 formed between the partition walls 80. It is configured to be discharged to the drainage part 66 also from a communication hole 86 provided in the lower part of the above.

  Furthermore, as shown in FIG. 10, in this embodiment, as described above, the support shaft 83 of the separation plate 70 is shifted downward with respect to the upper support portion 26 of the gate body 60. When the tank 3 is tilted by raising the front portion with the lower support portion 29 as a fulcrum, releasing the engagement between the gate body 60 and the separation plate 70 and opening the tailgate 27, the separation plate 70 is removed from the tank body 61. It can be opened in a state where it hangs down from the gate body 60 by its own weight at a distant position. At this time, the separation plate 70 does not come into contact with the suction pipe 63 fixed to the gate body 60 by the opening 73 provided in the separation plate 70. In this state, the space between the separation plate 70 and the gate body 60 can be opened, and the space between the separation plate 70 and the gate body 60 can be cleaned. Note that, as indicated by a two-dot chain line, when the separation plate 70 is locked to the gate body 60 and integrally opened, the collection object in the storage tank 3 can be discharged.

  According to the suction wheel 1 configured as described above, the collection object can be sucked and stored from the suction port 31 of the tailgate 27 provided in the rear part of the storage tank 3 for storing the collection object. The water in the collection object stored in the tank 3 can be stably discharged from the drain port 32 of the tailgate 27 through the communication hole 75 of the separation plate 70.

  Therefore, according to the tail gate 27 (discharge gate), excess water in the storage tank 3 can be discharged from a position close to the suction pipe 63 for collecting the collection target. For example, a sewer pipe, a manhole, a road Only the collection object in the side groove or the like is stored in the storage tank 3, and the operation of returning excess water to the collection place can be stably performed, and the collection object can be sucked efficiently.

  Further, the collection object stored in the storage tank 3 extends the opening / closing cylinder 28 to open the tailgate 27 and extends the tilting cylinder 30 to extend the front portion of the storage tank 3 around the lower support portion 29. If tilted upward, the collection object stored in the storage tank 3 can be easily discharged. Further, when the engagement between the separation plate 70 and the gate main body 60 is released with the tailgate 27 opened, the separation plate 70 is released in a state where it hangs down under its own weight from the gate main body 60. And the separation plate 70 can be easily cleaned.

  In this manner, in the configuration in which the suction pipe 63 for sucking the recovery target is provided in the tailgate 27 for discharging the recovery target in the storage tank 3, a large amount of suction is simultaneously performed from the tailgate 27 at the same time as the recovery target. It is comprised so that water can be discharged efficiently.

  Further, according to this embodiment, since the end portion of the suction pipe 63 provided on the tailgate 27 on the tank body 61 side is removed and the split pipe section 68 is replaceable, the suction pipe 63 has the most Open parts that are heavily worn can be easily replaced.

  FIG. 11 is a side view showing a suction device according to an embodiment of the present invention. The suction device 50 according to this embodiment is mounted on the detachable vehicle 51, transported to a destination, and can be collected as a suction device 50 that is lowered from the vehicle and placed on the spot. is there. The suction device 50 is configured separately from the detachable vehicle 51, and the device frame 52 that supports the suction device 50 as a whole can be mounted on the detachable vehicle 51. Since the suction device 50 has the same configuration as that provided on the sub-frame 54 of the suction wheel 1, detailed description thereof is omitted.

  As shown in the figure, the suction device 50 is provided with a device frame 52, and a hook portion 57 of a cargo handling arm 58 supported by a support shaft 53 on a detachable vehicle 51 is hooked on a locking portion 56 of the device frame 52, By tilting the cargo handling arm 58 with a cargo handling cylinder 59, the apparatus frame 52 can be placed on a guide roller 55 provided at the rear end of the sub-frame 54 of the detachable vehicle 51 and slid in the front-rear direction. ing. As a result, the suction device 50 can be placed on the subframe 54 or lowered from the vehicle body frame 54. The configuration in which the suction device 50 is placed on or lowered from the subframe 54 is an example, and another configuration may be used.

  According to the suction device 50 configured in this manner, as with the suction wheel 1, the collection target is sucked from the tail gate 27 that is a discharge gate provided in the storage tank 3, and the collected collection target is Water can be discharged. In addition, since the suction of these collection objects and the discharge of the water in the collection objects can be performed from the same tailgate 27, the water in the collection objects is drained back to the place where the collection objects are sucked. Therefore, the suction operation can be performed efficiently so as to store the solid content in the tank.

  In addition, according to this suction device 50, if it is transported by the detachable vehicle 51 to a place where suction work is necessary and placed at a predetermined position, the suction work can be performed as needed at a place away from the vehicle. it can. Further, when a predetermined amount of collection object is stored in the storage tank 3, the desorption vehicle 51 goes to the place where the suction device 50 is fixed, and the suction device 50 is placed on the desorption vehicle 51 and transported to a disposal place for storage. If the collected object to be collected is discarded and then transported by the desorption vehicle 51 to a place where suction work is required again, the suction work can be efficiently performed at that place as needed. An efficient use of the vehicle 51 is also possible.

  In the suction wheel 1 and the suction device 50 of the above-described embodiment, the lower portion of the gate body 60 is formed in the recessed portion 65 that is recessed toward the tank body 61 side, but it is not always necessary to form the recessed portion 65. .

  In the above embodiment, the gate body 60 is pivotally supported by the separation plate 70 so that the gate body 60 and the separation plate 70 can be pivotally supported by the tank body 61. Well, it is not limited to this embodiment.

  Furthermore, the above-described embodiment shows an example, and various modifications can be made without departing from the gist of the present invention, and the present invention is not limited to the above-described embodiment.

  The discharge gate according to the present invention is useful for a suction wheel and a suction device that want to suck a collection object into a storage tank and discharge water in the collected collection object from the discharge gate.

It is a side view which shows the suction wheel which concerns on one embodiment of this invention. It is a top view of the suction wheel shown in FIG. It is a rear view of the suction wheel shown in FIG. It is a systematic diagram which shows the flow of the air in the flow path in the suction wheel shown in FIG. (a) is the center longitudinal cross-sectional view of the discharge gate in the suction vehicle shown in FIG. 1, (b) is the longitudinal cross-sectional view in the drain outlet part of a discharge gate. It is the front view which looked at the discharge gate shown in FIG. 5 from the inner side. It is the front view which looked at the separating plate shown in FIG. 5 from the inner side. It is VIII-VIII sectional drawing shown in FIG. It is IX-IX sectional drawing shown in FIG. It is a side view which shows the state which open | released the discharge gate shown in FIG. It is a side view which shows an example of the suction device which employ | adopted this invention.

Explanation of symbols

1 ... Suction car
2 ... Body frame
3. Storage tank
4 ... Suction hose
5. Receiver rubber
6 ... 1st intake pipe
7 ... 1st water task rubber (upstream dust collector)
8 ... Tank
9 ... Second intake pipe 10 ... Silencer 11 ... Third intake pipe 12 ... Roots blower (suction force generator)
DESCRIPTION OF SYMBOLS 13 ... Drive mechanism 14 ... Suction engine 15 ... Base 17 ... Sub-frame 18 ... Anti-vibration mechanism 19 ... Soundproof cover 20 ... 1st exhaust pipe 21 ... 2nd water task rubber (downstream dust collector)
22 ... Open / close valve 23 ... Pressurizing tube 24, 25 ... Open / close valve 26 ... Upper support 27 ... Tail gate (discharge gate)
28 ... Opening and closing cylinder 29 ... Lower support part 30 ... Tilt cylinder (tilting means)
31 ... Suction port 32 ... Drain port 33, 34 ... Open / close valve 46 ... Second exhaust pipe 47 ... Load release air introduction port 48 ... Open / close valve 50 ... Suction device 51 ... Desorption vehicle 52 ... Device frame 53 ... Slide rail 54 ... Sub Frame 55 ... Guide roller 56 ... Locking part 57 ... Hook part 58 ... Arm 59 ... Support shaft 60 ... Gate body 61 ... Tank body 62 ... Cylinder support shaft 63 ... Suction pipe 65 ... Concave part 66 ... Drain part 68 ... Split pipe Portion 69 ... Sealing material 70 ... Separation plate 71 ... Separation plate body 73 ... Opening 74 ... Separation plate side support member (support portion)
75 ... Communication hole 76 ... Locking lever (fixing tool)
78 ... Locking piece (fixing tool)
79 ... Locking member 80 ... Partition 81 ... Central drainage part 84 ... Abutting part 85 ... Separation part 86 ... Communication hole 87 ... Lower partition

Claims (5)

A suction tank that can be opened and closed, and a discharge gate of a storage tank in a suction device that discharges a collection object sucked and stored in the tank body,
The gate body of the discharge gate is provided with a suction pipe for sucking the collection object into the tank body, and a drain port for discharging water in the collection object sucked into the tank body,
Between the gate body and the tank body, a separation plate having an opening at the position of the suction pipe is provided, and a drainage portion communicating with the drainage port is provided between the separation plate and the gate body, Discharge provided with a partition between the drain and the opening of the separation plate, and provided with a plurality of communication holes for discharging the water in the recovery object stored in the tank body to the drain. Gate.   The discharge gate according to claim 1, wherein the gate main body and the separation plate are configured to be individually openable and closable, and a fixture for locking the separation plate and the gate main body is provided.   3. The discharge gate according to claim 2, wherein a support portion for the separation plate is provided on a gate body below a predetermined distance from a gate support portion for supporting the gate body on the tank body so as to be opened and closed.   A plurality of the partition walls are provided in the gate body, a lower partition wall is provided between the partition walls below the opening position of the separation plate, and a plurality of water in the collection object are passed through the lower partition wall in communication with the drain port. The discharge gate according to any one of claims 1 to 4, wherein a separation portion provided with a communication hole is formed. The discharge gate according to any one of claims 1 to 5, wherein the tank body side end of the suction pipe is configured to be replaceable.

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