JP2006299695A - Asphalt emulsion spraying device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an asphalt emulsion spraying device which carries out pressurization in an emulsion tank by a cartridge gas cylinder. <P>SOLUTION: The asphalt emulsion spraying device is formed of: the emulsion tank 1 for storing therein asphalt emulsion; a cleaning agent tank 2 for storing therein a cleaning agent for cleaning component parts forming the device; a pressurizing unit 3 for introducing predetermined high-pressure gas into both the tanks 1, 2, and being formed so as to be connectable to a high-pressure gas source outside the device; a spraying hose 6 for discharging the emulsion stored in the emulsion tank 1 via a changeover valve 5 to the outside and having a nozzle 61 at the tip thereof; and a carrier 9 for mounting thereon both the tanks 1, 2, the pressurizing unit 3, the spraying hose 6, etc., and having a movable form. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an asphalt emulsion distribution apparatus used for asphalt emulsion spraying work in asphalt pavement work, etc., and in particular, a small-sized device capable of improving mobility or workability in small-scale construction. The present invention relates to an asphalt emulsion distribution apparatus.

As a conventional small-sized asphalt emulsion distribution apparatus, for example, as disclosed in Japanese Utility Model Publication No. 3-16885, a tank containing asphalt emulsion is distributed on a carriage with wheels, and the emulsion in the tank is distributed. Hose, an air pump for pressurizing in the tank for discharging the emulsion in the tank, and the like are mounted. As the air pump mounted on the main distribution device having such a configuration, since the main distribution device is for small-lot construction, a manual type, for example, for bicycles is used in order to reduce the weight. A manual air pump or the like is adopted.
Japanese Utility Model Publication No. 3-16885

  As described above, in the conventional type, a manual type air pump is adopted from the viewpoint of reducing the size and weight. Therefore, in such a conventional system, when starting the asphalt emulsion distribution work, first, an operator or the like must manually operate the pump in order to pressurize the emulsion tank to a predetermined pressure. In fact, this work was a heavy labor for workers. To solve this problem, remove the manual air pump and replace it with a cartridge-type gas cylinder filled with a predetermined high-pressure gas, such as a gas cylinder filled with carbon dioxide gas. An object of the present invention (problem) is to provide a cartridge-type gas cylinder-compatible emulsion distribution apparatus in which this is installed as necessary and high-pressure gas is injected from this gas cylinder into an emulsion tank or the like. ).

  In order to solve the above problems, the following measures are taken in the present invention. That is, in the first invention as claimed in claim 1, as regards the asphalt emulsion distribution apparatus, an emulsion tank in which asphalt emulsion is accommodated and a washing liquid in which washing liquid for washing each part forming the apparatus is accommodated. An agent tank, a pressurizing unit for introducing a predetermined high-pressure gas into both tanks and capable of being connected to an external high-pressure gas source, and the emulsion in the emulsion tank. The structure is such that it is for discharging to the outside through a switching valve and has a spray hose having a nozzle at its tip, and a carrier on which both the tanks and various devices are mounted. .

  According to a second aspect of the present invention, the pressurizing unit can attach and detach a cartridge type gas cylinder containing a predetermined high-pressure gas. The gas cylinder mounting portion formed as described above and an air pump valve formed so as to be able to introduce air from an existing air pump including a manual air pump are adopted.

  According to the first invention, the present emulsion distribution apparatus is composed of the minimum necessary components such as an emulsion tank filled with asphalt emulsion, a pressure unit, a distribution hose, etc., so that the weight is reduced as a whole. Therefore, workers and the like can easily move the apparatus manually. Therefore, by using this apparatus, it becomes possible to quickly cope with small paving work and the like. Then, in the state of quickly arriving at the construction site, the inside of the emulsion tank is quickly pressurized to a predetermined pressure by, for example, mounting a cartridge type carbon dioxide gas cylinder or the like to the gas cylinder mounting portion provided in the pressurizing unit. As a result, the asphalt emulsion can be distributed smoothly.

  According to the second invention, the pressurizing unit is provided with an air pump valve for mounting a base of an existing air pump in addition to a cartridge type gas cylinder mounting portion (mounting port). Therefore, in an emergency case such as when the above-mentioned cartridge type gas cylinder has no spare parts on hand, the emulsion tank can be pressurized using a commercially available manual air pump for bicycles. Become. In this way, at least the operation of distributing the asphalt emulsion can be continued by operating a manual air pump.

  The best mode for carrying out the present invention will be described with reference to FIGS. As shown in FIG. 1, the present embodiment relates to an asphalt emulsion distribution apparatus used for asphalt pavement work and the like, and the configuration forms an emulsion tank 1 in which asphalt emulsion is accommodated and this apparatus. It is for introducing a predetermined high-pressure gas into the cleaning agent tank 2 in which the cleaning liquid for cleaning each part to be cleaned and both the tanks 1 and 2 can be connected to an external high-pressure gas source. The pressurizing unit 3 formed as described above, the emulsion hose 6 for discharging the emulsion in the emulsion tank 1 to the outside through the switching valve 5 and having a nozzle 61 at the tip thereof, and both The tanks 1 and 2, the pressurizing unit 3, the distribution hose 6, and the like are mounted and the carrier 9 is formed so as to be movable.

  In such a basic structure, the emulsion tank 1 and the cleaning agent tank 2 are integrated as shown in FIGS. 1 and 2 to form a can-like object. . And what was integrated in this way is what is mounted on the carrier 9, as shown in FIG. Further, as shown in FIGS. 1 and 2, the tanks 1 and 2 are provided with inlets 11 and 21, and the asphalt emulsion is passed through the inlets 11 and 21. In addition, the cleaning agent is put into the respective tanks 1 and 2. Specifically, the asphalt emulsion is charged into the emulsion tank 1 via the charging port 11 and stored therein, and the cleaning agent is charged into the cleaning agent tank 2 via the charging port 21. It is intended to be stored in. In addition, pipes 15 and 25 are provided at the tanks 1 and 2 in which such emulsion or cleaning agent is stored, and a switching valve 5 comprising a three-way valve is provided at the tip of the pipes 15 and 25. It is supposed to be. A hose 6 is connected from the switching valve 5, and a nozzle 61 is provided at the tip of the hose 6.

  In addition, the tanks 1 and 2 having such a structure are connected to a high-pressure gas source as shown in FIGS. 1 and 2 and are used to introduce high-pressure gas into the tanks 1 and 2. The pressurizing unit 3 is connected. Specifically, as shown in FIGS. 1 and 2, the cartridge type gas cylinder 4 in which high-pressure carbon dioxide gas is sealed can be attached and detached. That is, the pressurizing unit 3 is provided with a gas cylinder mounting portion 31 to which the cartridge type gas cylinder 4 is mounted as shown in FIG. In addition, a check valve 35 is provided in the pressurizing unit 3, and a high-pressure gas introduced into the pressurizing unit 3 is disposed downstream of the check valve 35 as shown in FIGS. Is provided with a stop valve 32 which is operated so as to be appropriately sent to the emulsion tank 1 or the cleaning agent tank 2. Further, as shown in FIG. 3, the pressurizing unit 3 is provided with an air pump valve 33. In the case where the handheld spare part of the gas cylinder 4 is lost, suddenly, manual An air pump such as a bicycle air pump is used to introduce compressed air into the pressurizing unit 3 and to introduce such compressed air into the tanks 1 and 2. It is.

  The tanks 1 and 2 having such a configuration, the pressurizing unit 3 and the like are mounted on the carrier 9 in an integrated state. As shown in FIG. 1, the carrier 9 is provided with wheels 99 and a handle 91, and the operator can hold the handle 91 manually. This apparatus can be moved.

  Next, the operation mode and the like of the present embodiment having such a configuration will be described. The emulsion distribution operation will be described. In that case, first, in FIG. 2, the lid 19 provided at the inlet 11 of the emulsion tank 1 is opened, and the emulsion is introduced into the emulsion tank 1 from the inlet 11. Then, in a state where a predetermined amount of emulsion is filled in the emulsion tank 1, the lid 19 is closed to make it hermetically sealed. In such a state, for example, a cartridge type carbon dioxide gas cylinder 4 is attached to the gas cylinder attachment portion 31 of the pressurizing unit 3, and the stop valve 32 is opened to supply high-pressure carbon dioxide gas in the emulsion tank 1 and the cleaning agent tank. The tanks 1 and 2 are kept in a high pressure state. In such a state, the switching valve 5 composed of a three-way valve is operated so that the emulsion tank 1 communicates with the hose 6 side. As a result, the emulsion in the emulsion tank 1 is discharged from the nozzle 61 via the hose 6. In this way, the work of distributing the emulsion proceeds.

  After the emulsion distribution operation is completed in this way and the emulsion tank 1 is emptied, the cleaning operation of the hose 6 and the nozzle 61 is advanced. In this case, first. Since the pressure in the cleaning agent tank 2 needs to be released, the switching valve 5 is operated to open the cleaning agent tank 2 to the atmosphere. In such a state, the switching valve 5 is operated again so that the space between the cleaning agent tank 2 and the hose 6 is sealed. In this state, the lid 29 provided at the inlet 21 of the cleaning agent tank 2 is opened, and the cleaning agent is supplied into the cleaning agent tank 2 from the inlet 21. Then, in a state where a predetermined amount of cleaning agent is filled, the lid 29 is closed and sealed. In such a state, the empty gas cylinder 4 already mounted on the pressurizing unit 3 is removed, and a new gas cylinder 4 filled with high-pressure gas is mounted. By opening the stop valve 32 in such a state, the high-pressure gas is filled in the cleaning agent tank 2. In such a state, the switching valve 5 is operated so that the hose 6 and the cleaning agent tank 2 are in communication with each other. As a result, the cleaning agent is sent to the hose 6, the nozzle 61, etc., and released from the nozzle 61 into the atmosphere. By such a series of operations, the hose 6 and the nozzle 61 are cleaned.

  In the case of an emergency in which the reserve of the high-pressure gas cylinder 4 is lost in the above-described series of pressurization steps, a manual air pump such as a manual bicycle air pump is used as shown in FIG. The inside of the emulsion tank 1 or the cleaning agent tank 2 is pressurized to a predetermined pressure. As described above, in an emergency, by using an existing device (means) such as a manual air pump, the tanks 1 and 2 are pressurized to a predetermined pressure and the asphalt emulsion distribution work is continued. Will be able to.

  Further, in the present embodiment, the pressurization in each of the tanks 1 and 2 is basically performed by a cartridge type high pressure gas cylinder, and the pressurization operation by human power is not performed in principle. Therefore, the pressurizing operation in each of the tanks 1 and 2 becomes smooth, and the emulsion distributing operation performed subsequently can be performed efficiently.

It is a perspective view which shows the whole structure of this invention. It is a skeleton structure figure showing the whole composition of each tank, pressurization unit, etc. which constitute the principal part of the present invention. It is sectional drawing which shows the mounting state of the pressurization unit and gas cylinder concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Emulsion tank 11 Input port 15 Piping 19 Lid 2 Cleaning agent tank 21 Input port 25 Piping 29 Lid 3 Pressurizing unit 31 Gas cylinder attachment part 32 Stop valve 33 Air pump valve 35 Check valve 4 Cartridge type gas cylinder 5 Switching valve 6 Hose 61 Nozzle 7 Manual air pump 9 Carrier 91 Handle 99 Wheel

Claims (2)

  An emulsion tank for storing asphalt emulsion, a cleaning agent tank for storing a cleaning liquid for cleaning each part of the apparatus, and a predetermined high-pressure gas introduced into both tanks. A pressurizing unit formed so as to be connectable to a high-pressure gas source, and a spray for discharging the emulsion in the emulsion tank to the outside through a switching valve and having a nozzle at the tip thereof An asphalt emulsion distribution device comprising a hose and a carrier on which both the tanks and various devices are mounted.   2. The asphalt emulsion distribution apparatus according to claim 1, wherein the pressurizing unit includes a gas cylinder mounting part formed so that a cartridge type gas cylinder containing a predetermined high-pressure gas can be attached and detached, and a manual air pump. An asphalt emulsion distribution apparatus comprising an air pump valve formed so that air can be introduced from the asphalt emulsion.

Images