JPH05287796A - Vehicle for cleaning inside of sewage tube - Google Patents

Abstract

PURPOSE:To obtain a small-sized cleaning vehicle with a mobile water recycler by mounting a cleaning apparatus for the inside of sewage tube on two medium size chassises in a split way. CONSTITUTION:The first vehicle (medium-size chassis) and the second vehicle (medium-sized chassis) are provided, on the first vehicle, a water tank 9, a high-pressure water pump 10, a liquid cyclone 11, a high-pressure hose 13, and a hose reel 12 are mounted. On the second vehicle, a recovery tank 2, vacuum generators 3 and 3', a strainer 4, and a water-sending pump 5 are mounted. The first vehicle and the second vehicle are connected through a detachable connecter by a water supply tube 8, a sludge-returning tube 7, and an electric cable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sewage pipe cleaning vehicle device for cleaning the inside of a sewage pipe, and in particular, it separates sludge and solid matter from water mixed with dirt and deposits used for cleaning and then cleans this water again. The present invention relates to a sewage pipe cleaning vehicle device with water recycling for use as water.

[0002]

2. Description of the Related Art FIG. 2 shows the construction of a conventional sewage pipe cleaning vehicle of this type. As shown in FIG. 2, the conventional cleaning vehicle in the sewer pipe is
One large vehicle chassis 21, a recovery tank 22, a water receiving tank 23, a vacuum pump 24, a vacuum pump accessory device 24 ',
High-pressure water pump 25, water pump 26, strainer 27,
The liquid cyclone 29, the hose reel 31, the high-pressure rubber hose 32, the nozzle 33, the suction hose 34, and other control panels, pipes, wiring, instruments, etc. are mounted.

In the sewage pipe cleaning vehicle having the structure shown in FIG. 2, when the sewage pipe interior 36 is cleaned, the recovery tank 2 is previously prepared.
2 is empty, the receiving tank 23 is filled with water, and the manhole 3
The rear part of the cleaning vehicle in the sewer pipe is brought closer to 7, and the vehicle is stopped, and the operation state is entered.

The operation of the vacuum pump 24 driven by the PTO shaft and the auxiliary equipment 24 'of the vacuum pump for switching and extracting the power of the running engine of the vehicle creates a vacuum in the recovery tank 22 and the suction hose 34 inserted in the manhole 37.
From the sewer pipe 36 to collect the sediment 35 and sewage 22
Aspirate into.

The wastewater that has passed through the strainer 27 in the recovery tank 22 is pressurized by the water pump 26 and passed through the liquid cyclone 29 to separate the solid matter, and the solid matter is returned to the recovery tank 22 to obtain the supernatant liquid. Is discharged to the water receiving tank 23. High-pressure water pump 2 which is also driven by the PTO shaft
The water in the water receiving tank 23 during the operation of No. 5 is the hose reel 31.
After passing through the high-pressure rubber hose 32 wound around, the water is sprayed as jet water from a nozzle 33 attached to the tip of the high-pressure rubber hose 32, and the inside of the sewer pipe 36 is washed with the jet water. Contaminants and deposits in the sewer pipe 36 enter the recovery tank 22 together with water through the suction hose 34.

In the sewer pipe 36, the nozzle 33 moves forward by the propulsive force of water injection, but is controlled by the hose reel 31 driven by an oil motor or the like, and rewinding and unwinding is repeated until the deposit 35 reaches the manhole 37. It is drawn and enters the recovery tank 22 through the suction hose 34 as described above.

[0007]

[Problems to be Solved by the Invention]

(1) In order to effectively clean the inside of the sewer pipe 36 with jet water, an appropriate amount of water and pressure are required. Pipe diameter 1000
When a sewage pipe of about mm is to be cleaned, the amount of water per unit time becomes large, and a sewage pipe cleaning vehicle with water recycling becomes a large vehicle. Therefore, there is a problem that the turning radius is large and it is difficult to enter a narrow road.

(2) Further, when the place for discarding the collected materials is far, in the above-described conventional sewer pipe cleaning vehicle, the collecting device having the collecting tank and the cleaning device having the receiving tank are integrated. Therefore, these must be moved as a whole, which is wasteful.

(3) Further, since it is a large-sized vehicle and the recovery device and the cleaning device are integrated with each other, complicated and long time is required for operation, daily maintenance, trouble inspection and repair. In addition, operators of sewer cleaning vehicles are limited to large license holders, and it is difficult to secure personnel.

(4) Further, since all the devices are mounted on one large-sized vehicle chassis, there is a lot of waste in updating due to the difference in the service lives of the chassis and the mounted devices.

The present invention has been made in view of the above points, and the equipment of the cleaning vehicle in the sewer pipe is divided into two medium-sized vehicle chassis in consideration of the function, workability and weight balance of each equipment. An object of the present invention is to provide a sewage pipe cleaning vehicle device with water recycle that is compact by mounting and has mobility.

[0012]

In order to solve the above problems, the present invention comprises a water receiving tank, a high pressure water pump, a liquid cyclone device, a recovery tank, a vacuum generator, a strainer, a high pressure hose, a hose reel and a water pump. Then, the water in the water receiving tank is jetted as jet water into the sewer pipe from the nozzle attached to the tip of the high pressure hose through the high pressure hose that led to the sewer pipe through the high pressure water pump and the hose reel,
The dirt and deposits in the sewer pipe are washed, and the dirt and deposits are collected together with water in a recovery tank whose inside is evacuated by a vacuum generator, and then collected through a strainer, a water pump and a liquid cyclone device. As shown in FIG. 1, the first vehicle (medium-sized vehicle) has a drainage cleaning vehicle device with water recycling that separates impurities and solids from the water inside, returns the water to the receiving tank, and reuses it as jet water. Chassis 1-
1) and a second car (medium-sized chassis 1-2)
The water tank (9), the high-pressure water pump (10), the hydrocyclone device (11), the high-pressure hose (13) and the hose reel (12) are mounted on the vehicle (medium-sized chassis 1-1) of
The recovery tank (2), the vacuum generator (3, 3 '), the strainer (4), and the water pump (5) are mounted on the vehicle (medium-sized chassis 1-2) of the first vehicle (medium-sized chassis 1-1). ) And the second
The vehicle (medium-sized chassis 1-2) can be connected by a water pipe (8), a sludge return pipe (7) and an electric cable via a detachable connecting device.

[0013]

According to the present invention, as described above, the equipment of the sewer pipe cleaning vehicle device is divided into two medium-sized vehicle chassis in consideration of the functions, workability and weight balance of the respective equipments. The turning radius of the vehicle becomes smaller, and the sewer cleaning vehicle device can be installed even on narrow roads.

Even if the dumping place of the collected material is far, only the second vehicle equipped with the collection tank and the vacuum device needs to be moved to the dumped place, and the second tank equipped with the water receiving tank and the high-pressure water pump, etc. By making a plurality of second cars correspond to one car, work efficiency and moving efficiency can be improved.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a configuration of a cleaning vehicle device for a sewer pipe according to the present invention. As shown in the figure, the sewage pipe cleaning vehicle device includes a first medium-sized vehicle chassis 1-1 and a second medium-sized vehicle chassis 1-2. A water tank 9, a high-pressure water pump 10, a liquid cyclone device 11, a high-pressure rubber hose 13 and a hose reel 12 are mounted on the first medium-duty vehicle chassis 1-1. Further, the recovery tank 2, the vacuum pump 3, the vacuum pump auxiliary equipment 3 ′, the strainer 4 and the water pump 5 are mounted on the second medium-duty vehicle chassis 1-2.

The first medium-duty vehicle chassis 1-1 and the second medium-duty vehicle chassis 1-2 are connected by a water feed pipe 8, a sludge return pipe 7 and an electric cable (not shown). Further, the water supply pipe 8, the sludge return pipe 7 and the electric cable are configured to be connectable via a detachable connecting device (not shown).

In the sewage pipe cleaning vehicle device having the above structure,
In order to clean the sewer pipe 36, the recovery tank 2 of the second medium-duty vehicle chassis 1-2 is empty in advance, and the first medium-duty vehicle chassis 1-
The water receiving tank 9 of No. 1 is filled with water, and the rear portions of both vehicles are brought close to the manhole 37 to stop the vehicle and start the driving work.

The recovery tank 2 is brought into a vacuum state by operating the vacuum pump 3 driven by the PTO shaft and the vacuum pump accessory 3'by switching the power of the running engine of the vehicle. As a result, the deposit 35 and the dirty water in the sewer pipe 36 are sucked into the recovery tank 2 of the second middle-sized vehicle chassis 1-2 from the suction hose 6 inserted in the manhole 37.

The sewage that has passed through the strainer 4 in the recovery tank 2 is pressurized by the water supply pump 5 and is passed through the water supply pipe 8 to make the first
It is sent to the liquid cyclone 11 arranged in the water receiving tank 9 of the chassis 1-1 of the medium-sized car, and the liquid cyclone 11 separates solid matters. The separated solid matter is returned to the recovery tank 2 of the second medium-duty vehicle chassis 1-2 through the sludge return pipe 7. Further, the supernatant liquid of the liquid cyclone 11 is discharged into the water receiving tank 9 of the first medium-duty vehicle chassis 1-1.

When the high-pressure water pump 10 driven by the PTO of the first medium-sized car is operated, the water in the water receiving tank 9 passes through the high-pressure rubber hose 13 wound on the hose reel 12 and reaches the tip of the high-pressure rubber hose 13. It is jetted as jet water by the attached nozzle 14. The inside of the sewer pipe 36 is washed with jet water. Then, a part of it is sucked and collected through the suction hose 6 into the collection tank 2 of the second middle-sized vehicle chassis 1-2.

The nozzle 14 advances in the sewage pipe 36 by the propelling force of the jet water, but it is controlled by the hose reel 12 driven by a hydraulic motor (not shown), etc., and the winding and rolling are repeated to deposit the deposit 35 in the manhole. It is pulled up to 37 and collected from the suction hose 6 into the collection tank 2.

As described above, the first device for cleaning the inside of the sewer pipe is
By dividing and mounting the medium-sized vehicle chassis 1-1 and the second medium-sized vehicle chassis 1-2, the turning radius of each vehicle becomes smaller than that of a large-sized vehicle, and the sewer pipe cleaning vehicle device can be installed even on a narrow road. You can enter.

Further, even if the collection place of the collected material is far, only the second medium-duty vehicle chassis 1-2 equipped with the collection tank 2, the vacuum device 3 and the like may be moved to the disposal place. Therefore, in contrast to the first medium-duty vehicle chassis 1-1 equipped with the water receiving tank 9 and the high-pressure water pump 10 and the like, the second medium-duty vehicle chassis 1-2 is provided.
It is possible to improve work efficiency and moving efficiency by making a plurality of units compatible with each other.

In the above embodiment, the water tank 9, the high-pressure water pump 10, the hydrocyclone device 11, the high-pressure rubber hose 13 and the hose reel 12 are mounted on the first medium-duty vehicle chassis 1-1, and the second The medium-sized vehicle chassis 1-2 includes a recovery tank 2, a vacuum pump 3, a vacuum pump accessory device 3 ',
Although the example in which the strainer 4, the water feed pump 5, and the suction hose 6 are mounted is shown, the mounting of each device is not limited to this, and at least the water receiving tank 9 is provided in the first middle-sized vehicle chassis 1-1. It will be mounted on the chassis of the second medium-sized car
If at least the recovery tank 2 is mounted on the second unit 2, other devices will be installed on the first medium-sized vehicle chassis 1-1 and the second medium-sized vehicle chassis 1-2 in consideration of functions, workability, weight balance, and power. It can be mounted separately.

[0025]

As described above, according to the present invention, the following excellent effects can be obtained. (1) A smaller vehicle chassis is used for each car by installing the equipment for cleaning the inside of the sewer pipe separately into two cars in consideration of the function, workability, weight balance and power of each equipment. It is possible to install the cleaning vehicle device in the sewer pipe even on narrow roads.

(2) Further, even if the dumping place of the collected materials is far, only the second vehicle equipped with the collection tank or the like needs to be moved to the dumped place, as compared with the first vehicle equipped with the water receiving tank. By making a plurality of second cars compatible with each other, work efficiency and moving efficiency can be improved.

(3) Further, in operation, daily maintenance, failure inspection, and repair, the complexity is halved and the required time can be shortened due to habituation.

(4) Further, the operator of the cleaning vehicle device is
Since it may be a person who has a normal license, it can also serve as an operator for cleaning work, and it becomes easier to secure personnel.

(5) In addition, there is no waste in updating due to the difference in service life of many on-board devices including the chassis of the vehicle.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a cleaning vehicle device in a sewer pipe of the present invention.

FIG. 2 is a diagram showing a configuration of a conventional sewer pipe cleaning vehicle device.

[Explanation of symbols]

 1-1 First medium-sized vehicle chassis 1-2 Second medium-sized vehicle chassis 2 Recovery tank 3 Vacuum pump 3'Vacuum pump auxiliary equipment 4 Strainer 5 Water pump 6 Suction hose 7 Sludge return pipe 8 Water pipe 9 Water receiving tank 10 High-pressure water pump 11 Liquid cyclone 12 Hose reel 13 High-pressure rubber hose 14 Nozzle 35 Sediment 36 Sewer pipe 37 Manhole

Claims (1)

[Claims] 1. At least a receiving tank, a high-pressure water pump,
A separation device, a recovery tank, a vacuum generator, a high pressure hose and a hose reel are provided, and the water in the water receiving tank is introduced into the sewer pipe through the high pressure water pump and the hose reel. The recovery tank which jets water as jet water into the sewer pipe from a nozzle attached to the tip to wash dirt and deposits in the sewer pipe, and vacuums the dirt and deposits together with water in a vacuum generator. The drainage cleaning vehicle device with water recycle, which collects water and collects impurities and solids from the water in the recovery tank through the separation device, returns the water to the water receiving tank, and reuses the water as jet water. In, a first car and a second car are prepared, and the first car is equipped with at least the water receiving tank, and the second car is equipped with at least the recovery tank, The high-pressure water pump, the separator, the vacuum generator, the high-pressure hose and the hose reel are separately mounted on the first car and the second car in consideration of workability, weight balance and power. The cleaning vehicle device in the sewer pipe, characterized in that the vehicle and the second vehicle can be connected by a water pipe, a sludge return pipe and an electric cable via a detachable connecting device.