JP2010127015A - Road maintenance vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To use a road maintenance vehicle utilized in snowfall time such as an anti-freezing agent spraying vehicle and a snowplow vehicle, as a recovering treating vehicle of sludge staying in a side ditch and a recovering treating vehicle of dust scattered on a road surface in time except for the snowfall time. <P>SOLUTION: When using the anti-freezing agent spraying vehicle as a sludge recovering treating vehicle, a sludge storage vessel 11 is removably installed in a hopper by using an inside space of its anti-freezing agent storage hopper 2, and the base end of a sludge hose 12 of installing a submerged pump 13 on the distal end is connected to and communicated with this sludge storage vessel 11, and the submerged pump 13 is operated by using an engine of the anti-freezing agent spraying vehicle, and the sludge is recovered in the sludge storage vessel 11 via the sludge hose 12. In the snowplow vehicle, this sludge treating device is preferably installed on a loading space. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is a road maintenance system that makes it possible to use road maintenance vehicles such as anti-freezing agent spray vehicles, snow plow vehicles and mobile road sign vehicles used only in winter and limited conditions as vehicles for collecting sludge and dust. It relates to vehicles.

  Conventionally, as a road maintenance vehicle used in winter, a spray vehicle for spraying an antifreezing agent on a road and a snow plow vehicle for removing snow from the road are widely known. Also, existing mobile road sign cars are limited to use only as road construction support vehicles. The power is only used for the illumination of the marker lamp, and it may be insufficient as a power source for other actuators, and the frequency of use of this vehicle is also limited.

  As described in Patent Document 1, the antifreezing agent spraying vehicle is configured to carry an antifreezing agent storage hopper installed in the main body of the spraying vehicle and a reverse antifreezing agent supplied from the antifreezing agent storage hopper. And a spraying device for spraying the antifreezing agent delivered from the transport means, and as is well known, the snow plow is equipped with a snow plow at the front end of the vehicle body, It is configured to be activated by a pump that is operated by a hydraulic unit installed on the loading platform. In recent years, there has been an increasing demand for improving the frequency of use of the vehicle. As an example, it is being considered to mount a generator in a snow plow vehicle for lighting a signage device, remove the plow device only in summer, and use it as a mobile road signage vehicle.

  On the other hand, as a vehicle for collecting sludge staying in a side groove of a road, for example, as described in Patent Document 2, a sealed tank equipped with an open / close plate is mounted on the vehicle, Connect the mud pipe connecting the mud hose, put the tip of the mud hose into a side groove, etc., and make the tank negative pressure with a blower, suck the sludge from the mud hose through the mud pipe A vehicle configured to be housed in a sealed tank is known.

JP 2000-27139 A JP-A-5-17993 JP 2005-205069 A

  However, even if the antifreezing agent spray vehicle, snow plow vehicle or mobile road sign car is used during snowfall or limited use, it will be suspended until the next use time when the snowfall time or road construction is over. It will be. Therefore, there is a problem that the operation rate is poor and the maintenance cost increases. Further, the sludge collection vehicle has a short use period, and is a sludge collection vehicle equipped with a large-scale collection device, which is extremely expensive and uneconomical. If the snow plow car is used as a sign car, the operating rate is improved, but it is still insufficient. Mobile road sign vehicles are also inadequate for similar reasons. Japanese Patent Laid-Open No. 2005-205069 has been proposed as the above solution. However, the purchase price including each device becomes very expensive, and the installation cost of the building for securing the location of each device and not being exposed to wind and rain The total cost including up to now has imposed a heavy burden on the maintenance company. Furthermore, it is necessary to operate each device regularly even if there is no opportunity to use it, and it is necessary to always operate each device constituting the device smoothly, and the labor cost for that is also a burden on the maintenance company.

  The present invention has been made in view of such problems, and its object is to change the basic structure of road maintenance vehicles such as anti-freezing agent spray vehicles, snow plow vehicles and mobile road sign vehicles. The present invention also provides a road maintenance vehicle in which road maintenance vehicles such as anti-freezing agent spray vehicles, snow plow vehicles and mobile road sign vehicles can be easily used as sludge collection vehicles and dust collection vehicles.

  In order to achieve the above object, an invention according to claim 1 of the present invention is a road maintenance vehicle configured to be usable as a sludge collection vehicle, and is provided in an antifreezing agent containing hopper installed in an antifreezing agent spraying vehicle. Or, a sludge storage container is detachably installed on the platform of a snow plow car or mobile road sign car, and a sludge hose is connected to and communicated with the sludge storage container. It has a structure that is equipped with a suction pump that sucks sludge and sends it to the sludge hose.

  Further, the invention according to claim 2 is a road maintenance vehicle that can be used as a dust collecting vehicle, in an antifreezing agent containing hopper installed in an antifreezing agent spraying vehicle, or in a snow plow, A dust collection hopper is detachably installed on the loading platform of the type road sign car, and a dust collection hopper whose lower end opening is closed by a door body that can be opened and closed is detachably attached to the opening end of the dust collection container. Further, an exhaust hose is connected to and communicated with an upper end portion of the dust collection hopper and a suction hose that sucks dust and discharges it into the dust collection hopper by the negative pressure generated in the dust collection hopper by the exhaust hose. It has a structure.

  In the invention according to claim 1 or claim 2, the invention according to claim 3 removes a snow plow attached to the front end of the snow plow car body as a snow plow car, and a generator on the cargo bed. It is characterized by being diverted to a road sign car by mounting a sign device.

  In the road maintenance vehicle according to claim 2, the invention according to claim 4 is a preferable structure of the dust collecting hopper, and a funnel is provided in a sealed box provided with a door that can be opened and closed at a lower end opening. A hopper member having a shape is formed, and the upper part of the sealed box body is divided into a dust separation chamber and the lower part is divided into a dust accumulation chamber by the hopper member, and an exhaust connected to and communicated with a blower motor on the upper wall portion of the dust separation chamber The open end of the hose is communicated and the open end of the suction hose faces the side wall.

  Further, in the road maintenance vehicle according to claim 1 or 4, the invention according to claim 5 uses a hydraulic pump disposed in the road maintenance vehicle as a drive source of the suction pump and the blower motor. It is characterized by.

  Furthermore, in the road maintenance vehicle according to claim 1 or 2, the invention according to claim 6 is that the mud storage container and the dust collecting container are made of waterproof cloth and are formed in a foldable bag shape. When the dust collecting container is installed in the antifreezing agent storage hopper of the antifreezing agent spraying vehicle, the dust collecting container is installed on a conveyor cover provided in the antifreezing agent storage hopper via a mounting table, and When installed on a loading platform of a plow car, the dust collecting container is stored and installed in a receiving installation frame that is freely installed on the loading platform.

  According to the first aspect of the present invention, the sludge storage container can be removed in the antifreezing agent storage hopper installed in the antifreezing agent spray vehicle or on the platform of the snow plow vehicle or the mobile road sign vehicle. The sludge hose is connected to and communicated with this sludge storage container, and a suction pump that sucks sludge into the sludge hose and sends it to the sludge hose is installed. Without installing a sludge storage container, etc., in the conventional antifreeze spraying vehicle, it can be used as a spraying vehicle to put the antifreezing agent in the storage hopper and spray the antifreezing agent on the road, Can be used for snow removal work. And while the mobile road sign car can demonstrate the sign function during road construction, in the time other than the snowfall time, use the anti-freezing agent spray car and the snow plow car as it is, Without removing the anti-freezing agent storage hopper, a sludge storage container is installed in the storage hopper using the wide internal space. In a snow plow car or a mobile road sign car, the wide cargo bed is used. By installing a container for sludge storage on the loading platform, it can be easily changed to a sludge treatment vehicle, and the existing antifreeze spraying vehicles and snow plow vehicles / moving that have been used only during snowfall or road construction. The road sign car can be used effectively, increasing the operating hours throughout the year and reducing the maintenance cost.

  Moreover, according to the invention which concerns on Claim 2, a dust collecting container can be removed in the antifreezing agent accommodation hopper installed in the antifreezing agent dispersion vehicle, or on the platform of a snow plow car or a mobile road sign car In the same way as above, it can be used as a freezing agent spraying vehicle, a snowplow, and a mobile road sign car without installing a dust collecting container at the time of snowfall or road construction, During periods other than snowfall or road construction, use the antifreezing agent spray vehicle, snow plow vehicle / mobile road sign car as it is, and use the antifreezing agent spray vehicle in the antifreeze storage hopper or snow plow vehicle. / By installing a dust collecting container on a large loading platform of a mobile road sign car, it can be easily changed to a cleaning car such as a road surface.

  Further, a dust collection hopper whose lower end opening is closed by an openable / closable door body is detachably attached to the opening end of the dust collection container. An exhaust hose and an exhaust hose are attached to the upper end of the dust collection hopper. We connect and communicate with a suction hose that sucks dust and the like by the generation of negative pressure in the dust collection hopper and discharges it into the dust collection hopper, so weeds such as dust scattered on the road surface and dead grass Can be smoothly sucked and discharged into the dust collection hopper by the suction hose, and dust or the like can be accumulated in the dust collection hopper on the door body closing the lower end opening of the dust collection hopper. The accumulated dust etc. can be automatically dropped and collected in the dust collecting container by opening the door body, and scattered dust etc. on the road surface etc. can be collected easily and efficiently. .

  As described in claim 3, the snow plow car is configured by removing the snow plow attached to the front end of the snow plow car body and mounting a generator and a marking device on the loading platform. It may be a road sign car.

  According to a fourth aspect of the present invention, the dust collection hopper is provided with a funnel-shaped hopper member provided in a closed box provided with a door that can be opened and closed at a lower end opening, and the hopper member is used to form an upper portion in the closed box. Is divided into a dust separation chamber and the lower part is divided into a dust accumulation chamber. The upper end of the dust separation chamber is connected to a blower motor, the open end of the exhaust hose communicated is communicated, and the open end of the suction hose is connected to the side wall. Since the dust sucked in by the suction hose is not sucked into the exhaust hose, it is surely separated in the dust separation chamber of the dust collection hopper, and dropped and accumulated in the dust accumulation chamber. The dust accumulated in the dust accumulation chamber can be discharged into the dust collection container as described above by opening the door body closing the lower end opening of the dust accumulation chamber. Processing can be enabled.

  According to a fifth aspect of the present invention, as a driving source for the suction pump and blower motor, a hydraulic pump disposed in a road maintenance vehicle such as an antifreezing agent spray vehicle or a snow plow vehicle is used. Therefore, a sludge treatment means and a dust collection means that are simple in structure and economical can be configured without installing a new power source.

  According to the invention of claim 6, since the sludge container and the dust collecting container are made of waterproof cloth and are formed in a foldable bag shape, it can be provided at a low cost, and can be folded when not in use. Therefore, the water container can be maintained and managed efficiently, and unlike a plastic or metal container, it is lightweight and folded. Therefore, at the time of use, one or a small number of workers can easily perform installation work in the cryogen storage hopper or on the platform of the snow plow.

  Next, a specific embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a simplified side view of a state in which a sludge recovery treatment device is disposed in an antifreezing agent spraying vehicle that is a road maintenance vehicle. Is an antifreezing agent storage hopper that is mounted and installed on the chassis of the distribution vehicle main body 1, and this antifreezing agent storage hopper 2 has both side walls as shown in FIGS. The lower half is formed in a funnel shape that gradually narrows toward the lower end, and the bottom is formed in an opening 2a that drops and discharges the antifreeze agent downward, along the lower part of this opening 2a. Further, a transport means 3 comprising a belt conveyor or the like for transporting the antifreezing agent discharged from the opening 2a to the rear is provided.

  Further, a spraying device 4 for the antifreezing agent sent out from the conveying means 3 is arranged at the lower rear end of the spraying vehicle main body 1, and a cylindrical shape that receives the antifreezing agent from the conveying means 3 so as to surround the spraying device 4. The chute 5 is provided. As is well known, the spreading device 4 is integrally formed with a spreading disc 4c protruding downward from the chute 5 at the lower end of a vertical rotating shaft 4b rotated by a motor 4a. Further, a hydraulic tank 6 and a hydraulic pump 7 for operating various devices of the antifreezing agent spraying vehicle are installed on the front of the chassis of the spraying vehicle main body 1.

  The sludge recovery processing device is a sludge storage container 11 that is detachably installed in the antifreezing agent storage hopper 2 of the spray vehicle main body 1, and a base end portion of the sludge storage container 11 that can be freely attached and detached. The sludge hose 12 is connected to and communicated with the submersible pump, the submersible pump 13 attached to the tip of the sludge hose 12 and the generator 14 mounted on the spray vehicle body 1. The submersible pump 13 put in is driven, and the sludge is sucked into the sludge hose 12 and sent into the sludge container 11 through the sludge hose 12.

  The sludge container 11 is made of a thick waterproof cloth and is formed into a foldable bag shape. When not in use, the sludge container 11 is compactly folded and can be stored efficiently as shown in FIG. In use, as shown in FIG. 4, it is configured to expand by sludge accommodated therein and to conform to the internal shape of the upper half of the cryogen storage hopper 2. That is, in the state where it is installed in the cryogen storage hopper 2, the sludge storage container 11 has its lower half on both side walls facing downward with the same inclination angle as the both side walls of the antifreeze storage hopper 2. It is formed so as to constitute an inclined wall surface that is gradually inclined in a narrowing direction, and the outer side surfaces of the both side wall surfaces are configured to abut against and be received by the inner side surfaces of the both side wall surfaces of the antifreezing agent containing hopper 2. ing.

  The top wall of the sludge container 11 is completely sealed, and a short tube-shaped flexible hose connection port 11a communicating with the inside of the container is attached to an appropriate position on the top wall. And the base end of the sludge hose 12 is detachably connected to the hose connection port 11a. In addition, a sludge discharge hose connection port 11b is provided at the bottom of the sludge container 11, and it is preferable to provide an on-off valve (not shown) at the sludge discharge hose connection port 11b.

  On the other hand, as shown in FIG. 2 and FIG. 3, a conveyor having a cross-sectional mountain shape for dispersing the anti-freezing agent to be put into the anti-freezing agent containing hopper 2 at the central portion in the anti-freezing agent containing hopper 2. A cover 2b is installed horizontally in the front-rear direction, a container mounting table 9 is disposed on the conveyor cover 2b via a support frame 8, and the sludge container 11 is installed on the container mounting table 9. ing. The support frame 8 is made of a horizontally long plate member formed on an inclined end surface whose both end surfaces are received in contact with the inner surfaces of both side wall surfaces of the antifreezing agent containing hopper 2, and the above-mentioned support frame 8 is formed at the center in the width direction. A mountain-shaped recess that can be engaged with the conveyor cover 2b is formed.

  The usage mode of the road maintenance vehicle composed of the antifreezing agent spraying vehicle configured as described above will be described. In the winter, a normal antifreezing agent spraying vehicle and a sludge containing container 11 or a sludge hose 12 are not provided. Similarly, the antifreezing agent is stored in the antifreezing agent storage hopper 2, and the antifreezing agent in the antifreezing agent storage hopper 2 is sent to the spraying device 4 by the transport means 3 while traveling on the road surface. Spray antifreeze on the road surface.

  Next, when this antifreezing agent spraying vehicle is used as a sludge collection processing vehicle staying in a gutter of a road or the like in summer, first, the antifreezing agent containing hopper 2 is shown in FIGS. And a base end of a sludge hose 12 having a submersible pump 13 attached to the tip thereof is connected to the hose connection port 11a of the sludge container 11 as shown in FIG. A generator 14 for driving the submersible pump is installed at an appropriate position on the chassis of the main body 1.

  After this state, the main body 1 is run along the irrigation channels, pits, and side grooves on the road where sludge stays, and sludge stays at the tip of the sludge hose 12 equipped with the submersible pump 13. In the sludge container 11 in which the sludge in the side groove is provided in the antifreezing agent storage hopper 2 through the sludge hose 12 by driving the generator 14 and driving the submersible pump 13. To recover. Thus, the collected sludge in the sludge container 11 is disposed in a treatment tank or the like through a discharge hose (not shown) connected to a sludge discharge hose connection port 11b provided at the bottom of the container 11 Is done.

  FIG. 6 shows a modified example of the sludge collecting and processing apparatus comprising the sludge container 11, the sludge hose 12 and the submersible pump 13. In FIG. 1, the submersible pump 13 is driven by the generator 14. In this modification, a hydraulic motor 15 is connected to the submersible pump 13 instead of the generator 14, and the pressure oil from the hydraulic motor 15 is supplied to the submersible pump 13 attached to the tip of the sludge hose 12, The submersible pump 13 is configured to be driven. Since other structures are the same as those of the embodiment shown in FIGS. 1 to 5, the same portions are denoted by the same reference numerals and detailed description thereof is omitted.

  In this modification, the hydraulic motor 15 is driven using the hydraulic circuit of the antifreezing agent spraying vehicle. That is, FIG. 7 shows a hydraulic circuit disposed in the antifreezing agent spraying vehicle. The spraying vehicle main body 1 includes the hydraulic tank 6 and the hydraulic pump 7 driven by the engine 17 of the spraying vehicle main body 1. A motor 16 for driving the conveying means 3 disposed below the antifreezing agent storage hopper 2 of the antifreezing agent spraying vehicle via the valve unit 19 by pressure oil from the hydraulic pump 7. And a hydraulic circuit for operating the spraying disk drive motor 18 of the spraying device 4 and the gate cylinder 10 for controlling the spraying amount of the antifreezing agent from the conveying means 3.

  A hydraulic circuit B of a hydraulic motor 15 that drives the submersible pump is connected to a hydraulic circuit A of the antifreezing agent spraying vehicle via a switching valve. The hydraulic motor 15 is driven by

  Next, FIG. 8 is a simplified side view of the anti-freezing agent spraying vehicle when the anti-freezing agent spraying vehicle, which is a road maintenance vehicle, is configured so that it can be used as a dust collecting vehicle. Since the configuration is the same as the structure shown in FIG. 1, the same parts are denoted by the same reference numerals and detailed description thereof is omitted. The dust collector includes a dust collection container 21 detachably installed in the antifreezing agent storage hopper 2 of the spray vehicle main body 1, and a dust collection hopper detachably attached to the upper end opening of the dust collection container 21. 20 and an exhaust hose 22 connected to and communicated with the upper end of the dust collection hopper 20 and the suction of dust by the generation of negative pressure in the dust collection hopper 20 by the exhaust hose 22 to discharge into the dust collection hopper 20 And a suction hose 23.

  The dust collection container 21 is made of a thick waterproof cloth and foldable in the same shape as the sludge storage container 11, and is configured to be foldable compactly and efficiently stored when not in use. In the same manner as the above-described sludge container 11, it is configured so as to conform to the internal shape of the upper half of the cryogen storage hopper 2. That is, in a state where it is installed in the cryogen storage hopper 2, the dust collecting container 21 is gradually lowered downward with the lower half of the both side wall surfaces at the same inclination angle as the both side wall surfaces of the antifreezing agent storage hopper 2. Are formed so as to form an inclined wall surface that is inclined in a narrowing direction, and the outer side surfaces of the both side wall surfaces are configured to abut on and be received by the inner side surfaces of the both side wall surfaces of the antifreezing agent containing hopper 2. Yes.

  As described above, the antifreezing agent containing hopper 2 has a conveyor cover 2b having a mountain-shaped cross section for dispersing the antifreezing agent in the interior thereof. The container mounting table 9 is disposed through the support frame 8 having the above shape, and the dust collecting container 21 is installed on the container mounting table 9.

  As shown in FIGS. 9 and 10, an opening 21a to which the dust collection hopper 20 can be detachably attached is provided on the top wall surface of the dust collection container 21, and the dust collection hopper is passed through the opening 21a. The outer peripheral surface of the dust collecting hopper 20 is brought into close contact with the opening periphery of the opening 21a with the lower end portion of the dust collecting hopper 20 inserted into the dust collecting container 21, and the lower portion of the dust collecting hopper 20 is disposed above the opening 21a. The outer peripheral surface is fixed and supported via a suitable metal fitting on a frame body 24 that is detachably attached to the upper end opening of the antifreezing agent-containing hopper 2 in an erected state.

  The dust collection hopper 20 is formed in a sealed box body, and as shown in FIG. 11, the lower end of the dust collection hopper 20 is fully opened and the lower end of the opening is sealed by an openable / closable door body 25. The inside of the dust collection hopper 20 is partitioned by a funnel-shaped hopper member 26 into an upper part in a dust separation chamber 27 and a lower part in a dust accumulation chamber 28. An intake port 29 having a base end that is detachably connected and communicated is provided, and a flapper 30 that is opened by a negative pressure is provided at the open end of the intake port 29 so as to be freely opened and closed. Further, one end of the exhaust hose 22 is connected to and communicated with the top wall surface of the dust collecting hopper 20, and this exhaust hose 22 is connected to the blower motor 31 installed on the chassis of the spray vehicle main body 1 as shown in FIG. The blower motor 31 is operated to degas the dust collection hopper 20 through the exhaust hose 22 to generate a negative pressure.

  The hopper member 26 partitioning the dust collection hopper 20 is inclined in a conical shape downward from its outer peripheral portion toward the center, and a dust drop opening that opens toward the dust accumulation chamber 28 at the center portion. 26a is provided, and the door body 25 provided at the lower end of the opening of the dust accumulating chamber 28 is configured to be opened automatically or manually by the weight of dust accumulated by a certain amount. In addition, a metal mesh 32 is stretched around the open end of the exhaust hose 22 facing the dust collection hopper 20 on the lower surface of the top wall of the dust collection hopper 20 so that dust is sucked into the exhaust hose 22 side. Is preventing. The drive source of the blower motor 31 that generates negative pressure in the dust collecting hopper 20 through the exhaust hose 22 is the drive hydraulic motor 15 for driving the submersible pump 13 shown in FIG. As shown in FIG. 7, the hydraulic motor 15 is added to the hydraulic circuit of the antifreezing agent spraying vehicle, and the circuit configuration is as described above.

  Explaining the usage mode of the road maintenance vehicle composed of the antifreezing agent spray vehicle configured as described above, in the winter season, without arranging the dust collection container 21 and the dust collection hopper 20 and related hoses, etc. As in the example, while being used as a normal antifreeze spraying vehicle, this antifreeze spraying vehicle is used as a collection processing vehicle for hay and dust (hereinafter referred to as dust) scattered on the road in summer. In this case, first, a dust collecting container 21 having a dust collecting hopper 20 as shown in FIGS. 8 to 10 is disposed in the antifreezing agent containing hopper 2 and a blower motor driven by a hydraulic motor 15 is provided. 31 is installed, and the suction side of the blower motor 31 and the dust separation chamber 27 of the dust collection hopper 20 are connected and communicated with each other by an exhaust hose 22, and further to an intake port 29 provided on one side of the dust separation chamber 27. The proximal end of the suction hose 23 is connected.

  After this state, when the dust truck main body 1 is run and reaches the road surface where dust is scattered or stagnated, the tip opening of the suction hose 23 is directed to the dust and the blower motor 31 is operated. Dust is sucked into the suction hose 23 and collected and collected in the dust collecting container 21 through the dust collecting hopper 20.

  Specifically, when the blower motor 31 is driven by the hydraulic motor 15, the inside of the dust collecting hopper 20 is deaerated through the exhaust hose 22, and a negative pressure is generated. Due to the generation of the negative pressure, an intake force is generated in the suction hose 23. As shown in FIG. 11, the suction force draws in dust while opening the flapper 30, discharges the dust into the dust separation chamber 27 of the dust collection hopper 20, and drops the dust in the dust separation chamber 27 by its own weight. The air is discharged through the exhaust hose 22 to the blower motor 31 side. Further, the dust separated in the dust separation chamber 27 falls into the dust accumulation chamber 28 from the dust drop port 26a of the hopper member 26, and the door body 25 that seals the lower end of the dust accumulation chamber 28 so that it can be opened and closed. It is stuck in. When the amount of accumulated dust reaches a predetermined amount, the door body 25 is opened automatically or manually, and dust is introduced into and accumulated in the dust collecting container 21.

  When dust is accumulated and stored in the dust collecting container 21, the dust collecting hopper 20 is removed from the dust collecting container 21, and the dust collecting container 21 is taken out from the antifreezing agent containing hopper 2 and accumulated from the opening 21a. The dust collection container 21 which has been discharged to a processing place and emptied is used again.

  In any of the above-described embodiments, the antifreezing agent spraying vehicle is employed as the road maintenance vehicle. Next, a case where the snow plow vehicle is used as a sludge collection processing vehicle or a dust collecting vehicle will be described.

  FIG. 12 is a simplified side view showing a state in which a snow plow vehicle is used in a sludge collection processing vehicle. 41 is a snow plow vehicle main body, which has a snow plow 42 attached to the front end thereof and a front end on a loading platform 43. A hydraulic pump 44 for driving the snow plow 42 is installed in the hydraulic pump 45, and a hydraulic pump 45 for supplying pressure oil to a hydraulic cylinder or the like for operating the snow plow 42 is connected to a hydraulic tank of the hydraulic unit 44 for driving. .

  The sludge recovery processing device is installed on the loading platform 43 having the wide space area of the snow plow configured as described above so as to be removable, thereby obtaining a sludge recovery processing vehicle. The sludge recovery processing device has the same configuration as the sludge recovery processing device installed in the antifreezing agent spraying vehicle, and the sludge storage container 11 ′ and the base end of the sludge storage container 11 ′ can be freely attached and detached. And a submersible pump 13 attached to the tip of the sludge hose 12. The submersible pump 13 is connected to the submersible pump 13 by pressure oil from the hydraulic pump 45. The sludge container 11 ′ is configured to be detachably installed on the platform 43 of the snow plow main body 41 as shown in FIG. 13 so as to be driven by operating the connected hydraulic motor 15. It is stored in a rectangular parallelepiped storage installation frame 46.

  The sludge treatment container 11 ′ is made of a thick waterproof cloth and foldable in the same bag shape as the sludge storage container 11 of the sludge recovery treatment device installed in the antifreezing agent spraying vehicle. Then, along the inner surface of the storage installation frame 46, it is fixed by a fixture 47 such as a belt.

  The hydraulic motor 15 is driven using a hydraulic circuit of a snow plow wheel. That is, FIG. 14 shows a hydraulic circuit disposed in the snow plow wheel, and the snow plow wheel main body 41 is provided with a hydraulic tank 48 and a hydraulic pump 50 driven by the engine 49 of the main body 41. The hydraulic circuit C is configured to operate the plow raising / lowering cylinder 51, the plow underling cylinder 52, and the plow folding cylinder 53 of the snow plow wheel by the pressure oil from the hydraulic pump 50. A hydraulic circuit of a hydraulic motor 15 that drives the submersible pump 13 is connected to the hydraulic circuit C.

  When using a snow plow as snow removal, remove the sludge recovery processing device from the loading platform 43, and when using it as a sludge recovery processing vehicle, install the sludge recovery processing device on the loading platform 43 as described above. To do. In this state, the snow plow body 41 is caused to travel along the irrigation channel, pit, and side groove on the road where sludge is accumulated, and sludge is accumulated at the tip of the sludge hose 12 provided with the submersible pump 13. By putting it in the side groove and driving the submersible pump 13, sludge in the side groove and the like is collected in the sludge container 11 ′ through the sludge hose 12. The sludge in the sludge storage container 11 ′ recovered in this way is disposed in a processing tank or the like through a discharge hose (not shown) connected to a sludge discharge hose connection port provided at the bottom of the container 11 ′. ,It is processed.

  Next, FIG. 15 is a simplified side view when a dust collecting device is installed in the snow plow vehicle that is a road maintenance vehicle so that it can be used as a dust collecting vehicle. The dust collecting device is a snow plow main body. A dust collection container 21 ′ removably accommodated in the above-mentioned rectangular parallelepiped storage installation frame 46 installed on the loading platform 43 of 41, and a collection apparatus detachably attached to the upper end opening of the dust collection container 21 ′. The dust hopper 20 is connected to and communicated with the dust hopper 20 and the upper end of the dust hopper 20, and dust is sucked by the negative pressure generated in the dust hopper 20 'by the exhaust hose 22. And a suction hose 23 to be discharged inside.

  The dust collection container 21 ′ is made of a thick waterproof cloth and foldable in the same shape as the sludge storage container 11 ′, and is configured to be foldable compactly and efficiently stored when not in use. At the same time, it is expanded during use and is disposed in the storage installation frame 46 in the same manner as the sludge storage container 11 ′. A dust collecting hopper 20 having the same structure as the dust collecting container 21 disposed in the antifreezing agent containing hopper 2 of the antifreezing agent spraying vehicle is mounted on the top wall surface of the dust collecting container 21 'by the same mounting means. ing.

  That is, an opening 21a is provided on the top wall of the dust collecting container 21, and the lower end of the dust collecting hopper 20 is detachably attached to the opening 21a, and the lower end of the dust collecting hopper 20 is a door body that can be opened and closed. 25, and the inside of the dust collecting hopper 20 is partitioned into a dust separation chamber 27 by a funnel-shaped hopper member 26, and the lower portion is divided into a dust accumulation chamber 28 and the upper end of the dust separation chamber 27 A suction port 29 is provided on the side wall surface of the suction hose 23 so that the base end of the suction hose 23 is detachably connected and communicated, and a flapper 30 that is opened by negative pressure is provided at the opening end of the suction port 29 so as to be freely opened and closed. Yes. Further, one end of the exhaust hose 22 is connected to and communicated with the top wall surface of the dust collecting hopper 20, and this exhaust hose 22 is connected to a blower motor 31 installed on the loading platform of the snow plow main body 41. By operating the blower motor 31, the inside of the dust collecting hopper 20 is deaerated through the exhaust hose 22, so that a negative pressure is generated.

  As in the case of the antifreezing agent spraying vehicle shown in FIG. 8, a dust drop opening 26a opened toward the dust accumulation chamber 28 is provided at the center of the hopper member 26 partitioning the dust collection hopper 20. The door body 25 provided at the lower end of the opening of the dust accumulation chamber 28 is configured to be opened automatically or manually by the weight of dust accumulated in a certain amount. In addition, a metal mesh 32 is stretched around the open end of the exhaust hose 22 facing the dust collection hopper 20 on the lower surface of the top wall of the dust collection hopper 20 so that dust is sucked into the exhaust hose 22 side. Is preventing. The drive source of the blower motor 31 that generates negative pressure in the dust collecting hopper 20 through the exhaust hose 22 is the drive hydraulic motor 15 for driving the submersible pump 13 shown in FIG.

  The usage mode of the road maintenance vehicle composed of the snow plow configured as described above will be described. In the winter, a normal container is not disposed without the dust collection container 21 ′, the dust collection hopper 20, and hoses related thereto. When this snow plow is used as a snow recovery vehicle for collecting dust scattered on the road in the summer, etc., first, a dust collecting container having a dust collecting hopper 20 on the loading platform 42 is used. A storage frame 46 for storing 21 'is installed, and a blower motor 31 driven by a hydraulic motor 15 is installed, and the space between the suction side of the blower motor 31 and the dust separation chamber 27 of the dust collection hopper 20 is exhausted. The hose 22 is connected and communicated, and the base end of the suction hose 23 is connected to an air inlet 29 provided on one side of the dust separation chamber 27.

  After this state, the snow plow is run, and when the dust reaches the scattered or stagnant road surface, the suction hose 23 is directed to the dust and the suction motor 31 is operated to suck it. Dust is sucked into the hose 23, and collected and collected in the dust collecting container 21 'through the dust collecting hopper 20.

  In addition, as shown in FIG. 16, the snow plow is removed from the snow plow 42 attached to the front end of the snow plow main body 41 and power is supplied to the sign device 50 and the sign device 50 on the loading platform 43. Even when the vehicle 51 is used as a road sign car, the sludge recovery treatment device (sludge) is placed on the loading platform 43 together with the sign device 50 and the generator 51 as shown in FIG. It may be used as a sludge treatment vehicle or a dust collection vehicle equipped with a dust collecting device (only the dust collection vessel 21 'is shown) or a container 11' for storage.

  In any of the above embodiments, the anti-freezing agent spray vehicle and the snow plow vehicle can be used for sludge collection vehicles, dust collection vehicles, etc. as road maintenance vehicles. Similarly to the structure shown in FIGS. 16 and 17, a sludge recovery processing device and a dust collector may be installed on the loading platform and used as a sludge recovery vehicle and a dust collector. Since the specific structure is the same as that of the antifreezing agent spraying vehicle and the snow plow vehicle, a detailed description thereof will be omitted. In any of the above embodiments, a sludge container or a waterproof cloth container formed as a dust collecting container is used, but it is a synthetic resin or metal container having a certain shape. Also good.

The simplified side view of the antifreezing agent dispersion | distribution vehicle which arrange | positioned the sludge collection | recovery processing apparatus. The longitudinal cross-sectional front view of the antifreezing agent accommodation hopper which provided the container for sludge accommodation. The longitudinal side view. The perspective view of the container for sludge accommodation. The perspective view of the folded state. The simplified side view of the antifreezing agent dispersion | distribution vehicle which arrange | positioned another sludge collection | recovery processing apparatus. Hydraulic circuit diagram. The simplified perspective view of the antifreezing agent dispersion | distribution vehicle which arrange | positioned the dust collector. The simplified front view of the antifreezing agent accommodation hopper which provided the dust collecting container. The partially cutaway simplified side view. The vertical side view of the principal part which shows a dust collection state. The simplified side view which shows the state which used the snow plow car for the sludge collection processing vehicle. The perspective view of the storage installation frame which accommodates the container for sludge accommodation. Hydraulic circuit diagram. The simplified perspective view of the snow plow car which arranged the dust collector. The simplified side view in case a snow plow car is used as a road sign car. The simplified side view of the state which has arrange | positioned the sludge collection | recovery apparatus or the dust collector to the snow plow car as a road sign car.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Spreading vehicle main body 2 Antifreezing agent accommodation hopper 3 Conveying device 4 Spraying device 5 Chute 6 Hydraulic tank 7 Hydraulic pump
11 Sludge container
12 Sludge hose
13 Submersible pump
15 Hydraulic motor
20 Dust collection hopper
21 Dust collection container
22 Exhaust hose
23 Suction hose
31 Blower motor

Claims (7)

  A sludge storage container is detachably installed in the antifreeze storage hopper installed in the antifreeze spraying vehicle or on the platform of the snow plow / mobile road sign car, and the sludge storage container has sludge. A road maintenance vehicle characterized in that a hose is connected and communicated, and a suction pump that sucks sludge into the sludge hose and sends it to the sludge hose is attached to the tip of the sludge hose.   A dust collecting container is detachably installed in the anti-freezing agent storage hopper installed in the anti-freezing agent spraying vehicle, or on the platform of the snow plow car / mobile road sign car and at the opening end of the dust collecting container. A dust collection hopper whose lower end opening is closed by a freely openable / closable door body is detachably attached. Further, an exhaust hose is attached to the upper end of the dust collection hopper, and the negative pressure in the dust collection hopper by the exhaust hose is reduced. A road maintenance vehicle characterized by connecting and communicating with a suction hose that sucks dust by generation and discharges it into a dust collection hopper.   The snow plow car is a mobile road sign car constructed by removing a snow plow attached to the front end of the snow plow car body and mounting a generator and a sign device on the loading platform. The road maintenance vehicle according to claim 1 or 2.   The dust collection hopper is provided with a funnel-shaped hopper member in a sealed box body provided with a door body that can be opened and closed at the lower end opening. The hopper member allows the upper part of the sealed box body to be a dust separation chamber and the lower part to be a dust accumulation chamber. The open end of the exhaust hose connected to and communicated with the blower motor is connected to the upper wall portion of the dust separation chamber, and the open end of the suction hose is connected to the side wall portion. Item 3. The road maintenance vehicle according to Item 2.   The road maintenance vehicle according to claim 1 or 4, wherein a drive source of the suction pump and the blower motor is a hydraulic pump provided in the road maintenance vehicle.   The sludge storage container and the dust collection container are made of waterproof cloth and are formed in a foldable bag shape.When this dust collection container is installed in the antifreezing agent storage hopper of the antifreezing agent spraying vehicle, When installing on a conveyor cover provided in the antifreezing agent storage hopper via a mounting table and installing on a loading platform of a snow plow / mobile road marking vehicle, the dust collecting container is placed on the loading platform. The road maintenance vehicle according to claim 1 or 2, wherein the road maintenance vehicle is configured to be stored and installed in a storage frame installed freely.   The road maintenance vehicle according to claim 1 or 2, wherein the power generator is increased to a power generation capacity capable of sucking / collecting sludge and the sludge suction / dust collector is driven.

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