JPH07304378A - Recovering device for chute cleaning water for mixing vehicle - Google Patents

Abstract

PURPOSE:To recover the cleaning water which cleans a guide chute into a tank body by being received by the guide chute, by installing the guide chute in a turnable manner around a turning shaft installed in erection at the center part of a cleaning water inlet on tue upper surface of the tank body. CONSTITUTION:A hooking metal fitting which fixedly holds a guide chute 12 is demounted, and the guide chute 12 which is turnable and is constituted so that the drain port of the guide chute 12 is communication-fitted at a cleaning aater inlet on the upper surface of a tank body 11 is turned so as to be pulled out to a clean water receiving position from an accommodation position, and the top end part of the chute of a mixing vehicle positioned in the guide chute 12, and the chute is cleaned. Then, the cleaning water flows along the chute, and flows down into the tank body 11 from the drain port of the guide chute 12 through the guide chute 12, and is favourably recovered into the tank body 11 without contaminating the peripheral parts.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning water recovery device for treating cleaning water of a chute of a fresh concrete mixer truck, that is, a cleaning water recovery device for recovering cleaning water generated at a work site and bringing it back to a fresh concrete factory. It is about.

[0002]

2. Description of the Related Art Conventionally, ready-mixed concrete is carried into a work site by a mixer truck, that is, a so-called ready-mixed concrete mixer truck, and after a predetermined delivery is completed, the ready-mixed concrete adhered to a chute of the mixer truck is prevented from solidifying on site. The chute is being washed quickly at. At this time, the washing water accompanied by the residue of ready-mixed concrete is poured into the water, the sewer, or the washing water for the chute of the mixer truck is received in a bucket and discarded in the drums or tanks installed at the delivery site. is doing. At the same time, however, it is sometimes difficult to dispose of them on site due to the demands of the delivery destination, and they are often brought back to the ready-mixed concrete factory.

There are the following two methods for bringing back the cleaning water for cleaning the chute of the mixer truck to the ready-mixed concrete factory. The first method is to hook a bucket on the tip of the chute of a mixer truck to receive washing water each time, put the washing water received in this bucket into a storage container placed separately on the mixer truck, and bring it back to the ready-mixed concrete factory. The second method is to attach a cylindrical bag having a certain length to the tip of the chute of the mixer truck, fix the tip of the bag upward, and wash in the cylindrical bag. It is a method of collecting water, storing it, and taking it home.

[0004]

In the conventional method as described above, however, the method of providing the first separate storage container is troublesome because it requires receiving the cleaning water in the bucket and transferring the cleaning water to the storage container. Cleaning the bucket and storage container is also a hassle. In addition, the method of providing the second tubular bag has a small inner volume, requires a certain length in order to secure the capacity, and is unstable due to dangling during running. Since it is an obstacle when ejecting from a car, it has to be removed and attached when cleaning, which is a troublesome problem.

Therefore, in order to solve the above problems in the prior art, the object of the present invention is to provide a guide chute rotatably at the entrance of the tank main body, and guide the chute under the chute tip of the mixer truck when required. It is an object of the present invention to provide a mixer truck chute washing water collecting device which can receive the washing water, which is obtained by pulling out and positioning the chute and washing the chute, by the guide chute and collecting the washing water in the tank body.

[0006]

In order to achieve the above object, according to the present invention, a mixer truck chute washing water recovery device has a washing water inlet on the upper surface and a drain outlet on the bottom surface. It is characterized by comprising a tank main body for storing water, and a guide chute in which a rotating portion is provided at a portion of the cleaning water inlet of the tank main body so as to be rotatable between a storage position and a cleaning water receiving position.

[0007]

In the mixer truck chute cleaning water recovery device thus constructed, the guide is rotatably guided about the rotary shaft provided upright at the center of the cleaning water inlet on the upper surface of the tank body. A chute is provided, and when necessary, the guide chute is rotated to pull it out from the storage position and positioned under the tip of the chute of the mixer truck. After collecting in the tank body, after cleaning is completed, the guide chute can be rotated to the storage position and stored, so there is no need to carry heavy objects such as buckets and containers, and buckets, containers, tubular bags, etc. Therefore, it is possible to provide a convenient cleaning water recovery device without the need to attach and detach.

Other objects, features and advantages of the present invention will become apparent from the detailed description given below with reference to the accompanying drawings.

[0009]

1 to 7 of the drawings show one embodiment of the mixer truck chute washing water collecting device of the present invention, and as shown in the drawings, the mixer truck chute washing water collecting device of the present invention. Reference numeral 10 designates a tank main body 11 attached to the vehicle body 2 of the mixer truck 1 and a rotating portion provided at a portion of the upper surface of the tank main body 11 for the cleaning water inlet 14 to rotate between a storage position and a cleaning water receiving position. It is mainly composed of a freely movable guide chute 12.

As shown in the figure, the tank body 11 is made of a suitable metal plate such as an iron plate or a steel plate, is provided with a cleaning water inlet 14 for receiving cleaning water near the end of the upper surface, and is normally provided. A cleaning hole 15 closed by a screw-type cap 16 or the like is provided, and a lower surface of the tank body 11 is roughly aligned with a cleaning water inlet 14 and a drain hole 17 is provided.
Is provided. When the cleaning water inlet 14 and the drainage port 17 are provided vertically aligned, foreign matter such as gravel of fresh concrete is easily discharged and does not accumulate in the tank body 11. A cylindrical portion 18 is provided around the wash water inlet 14 of the tank body 11 as shown in the drawing, and a rotating shaft 19 is provided upright at the center of the inlet to rotate the guide chute 12 as described later. It is preferable to support it freely.
That is, the rotating shaft 19 is fixedly supported by the plurality of fixing members 20 in an upright state on the tubular portion 18 of the wash water inlet 14 of the tank body 11 and the inner wall of the tank body 11 itself. The fixing means of the rotating shaft 19 is not limited to the method using the fixing member 20 as described above, and other arbitrary means can of course be adopted.

Further, the drainage port 17 of the tank body 11 is provided with a tubular bag 21, an appropriate closing valve such as a spherical valve, and an appropriate means such as a rubber seal or another sealing member, and the drainage port 17 Made to open and close. For example, drainage port 17
When the tubular bag 21 is provided in the case, when the drainage is not performed, it suffices to hook the tip of the tubular bag 21 at a position higher than the tank main body 11 with an appropriate hooking metal fitting 22. For this purpose, it suffices to remove the hook metal fitting 22 at the tip of the tubular bag 21.

Such a tank body 11 is attached by a suitable means in the vicinity of the tip of the chute 3 at the rear of the mixer truck 1. In the illustrated embodiment, a mounting member 23 made of an angle member is used. . Further, the tank body 11 is preferably provided with an inclination on the lower surface toward the drainage port 17,
Preventing the precipitation of raw concrete residues and facilitating the flow of washing water. Further, although the tank main body 11 shown in the drawing is square, it is not always necessary to make it angular, and it is also possible to round the corners by rounding the corners. It may be more convenient if the corners are angular. Also, the tank body 1
It is preferable that the capacity of No. 1 is sufficient to store the wash water generated when the mixer truck 1 carries the fresh concrete once to the site and returns to the factory.

The guide chute 12 is generally formed in a gutter shape as shown in the drawing, a drain port 25 is provided at one end of the lower surface, and the bottom face is inclined toward the drain port 25. Further, a cylindrical portion 26 is provided around the drainage port 25 of the guide chute 12, and a rotating pipe 27 fitted to the rotating shaft 19 is fixedly supported by a fixing member 28 at the center thereof. After the 27 is fitted to the rotary shaft 19, the rotary shaft 1
A screw-type cap 29 is screwed onto the upper end of 9 to hold the guide chute 12 so as not to come off from the tank body 11. Of course, other fasteners can be used instead of the cap 29. In this way, the guide chute 12
The guide chute 12 can be smoothly and smoothly rotated by fitting the tubular part 26 of the drainage port 25 of the same so as to overlap the tubular part 18 of the wash water inlet 14 of the tank body 11, and It is possible to prevent liquid leakage between the tank body 11 and the tank body 11. Further, in the embodiment, the upper portion of the tubular portion 18 of the wash water inlet 14 of the tank body 11 is made slightly higher than the upper surface of the tank body 11, and the lower surface of the guide chute 12 does not directly contact the upper surface of the tank body 11 and is tubular. The guide chute 1
The rotation of 2 is smooth. When not in use,
It is preferable that the guide chute 12 is fixed to the tank body or the like by providing an appropriate stopper so as to firmly hold the guide chute 12 in the storage position.

Further, instead of making the rotation of the guide chute 12 and the fitting of the drain port 25 of the guide chute 12 to the wash water inlet 14 of the tank body 11 as shown in the drawing,
The washing water inlet 14 of the tank main body 11 is merely a hole and no flange is provided, and the flange 26 of the drainage port 25 of the guide chute 12 is fitted into the hole 14 for washing water so that the guide chute 12 is It is also possible to attach one or two screws or bolts protruding outward to the flange 26 of the guide chute 12 so as not to come off from the main body 11. Further, as shown in the drawing, the side wall 32 on the other side is made higher than the side wall 31 of the guide chute 12 closer to the chute 3 of the mixer car 1 in use to prevent splashing and splashing of the washing water. It is preferable that the lower side wall 31 is provided with a notch 33 so that the chute 3 of the mixer truck 1 is engaged and mounted. Of course, this notch 33 is not essential for mounting.

[0015]

According to the mixer truck chute washing water recovery device 10 of the present invention having the above-described structure, the stopper fitting holding the guide chute 12 is removed, and the tank body 11 is removed.
A rotatable guide chute 12 in which a drain port 25 of the guide chute 12 is fitted in communication with an inlet 14 for washing water on the upper surface of the
The guide chute 1 so that the tip portion of the chute 3 of the mixer truck 1 is rotated by pulling it out from the storage position to the wash water receiving position
If the chute 3 is located in the inside of 2, the cleaning water flows along the chute 3, flows through the guide chute 12 from the drain port 25 of the guide chute 12 into the tank main body 11, and stains the surrounding area. Instead, it is suitably collected in the tank body 11.

Further, since the guide chute 12 is rotatable and is directly connected to the tank body 11, the tip portion of the chute 3 of the mixer truck 1 can be easily set on the guide chute 12 of the cleaning water recovery device 10 for cleaning work. The cleaning water received by the guide chute 12 does not leak and the surroundings are not polluted, and the tank body 1
1 and the drainage port 25 of the guide chute 12 is provided right above the drainage port 14 of the tank body 11. Therefore, even if foreign matter such as gravel in the ready-mixed concrete collects, it can be easily and easily discharged. As a result, foreign matter such as gravel does not collect in the tank body 11, and even if the guide chute 12 rotates, the cleaning water can flow from the guide chute 12 into the tank body 11 without any trouble.
There is no need to carry heavy objects such as buckets and containers, and on-site installation and storage of buckets, containers, tubular chutes, etc. are not required, and the installation of the cleaning water recovery device 10 of the present invention is fixed. It is safe, and has effects such as a good appearance and a good impression.

[Brief description of drawings]

FIG. 1 is a side view of a mixer truck provided with the cleaning water recovery device of the present invention.

FIG. 2 is a rear view of the mixer truck shown in FIG.

FIG. 3 is a front view of the cleaning water recovery device of the present invention.

FIG. 4 is a plan view of the cleaning water recovery device of FIG.

FIG. 5 is a perspective view of the cleaning water recovery device of the present invention.

6 is an enlarged sectional partial view of a rotating portion of the wash water recovery device of FIG.

FIG. 7 is a partial perspective view showing a rotary shaft portion of the wash water recovery device of FIG.

[Explanation of symbols]

 1 Mixer 2 Car body 3 Chute 10 Wash water recovery device 11 Tank body 12 Guide chute 14 Wash water inlet 15 Cleaning hole 16 Cap 17 Drainage port 18 Cylindrical part 19 Rotating shaft 20 Fixing member 21 Cylindrical bag 22 Hooking metal fitting 23 Metal fitting 25 Drainage port 26 Cylindrical part 27 Rotating pipe 28 Fixing member 29 Cap 31 Side wall 32 Side wall 33 Notch

Claims (5)

[Claims] 1. A tank body for storing wash water having a wash water inlet on the top surface and a drainage port on the bottom surface, and a storage portion and wash water provided with a rotating portion at the wash water inlet portion of the tank body. A mixer truck chute cleaning water collecting device comprising a guide chute rotatable between a receiving position and the receiving position. 2. A guide chute is rotatably supported by an upright rotation shaft provided at the center of the wash water inlet of the tank body, and a drain port communicating with the wash water inlet is a guide chute. The mixer truck chute washing water recovery device according to claim 1, which is provided on the bottom surface. 3. The mixer truck chute wash water recovery device according to claim 1, wherein the drainage port of the guide chute and the drainage port of the tank body are positioned substantially vertically. 4. The tank body according to claim 1, wherein a part of a bottom surface of the tank body is inclined toward the drain port, and a cleaning hole is provided on an upper surface of the tank body. Mixer truck chute wash water recovery device. 5. The mixer truck chute wash water recovery device according to claim 1, wherein a shutoff valve or a tubular bag is provided at a drain port of the tank body.