JPH0652960U - Sprinkler nozzle holder for compaction roller machines - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a water spray nozzle holder for a compaction roller machine in which the water spray nozzle can be easily removed with bare hands. A water spray nozzle holder H for a compaction roller machine, which is interposed between a water supply pipe and a water spray nozzle, comprising a fixing member 1 for fixing the water supply pipe and a holding member for holding the water spray nozzle. Member 2, holding member 2 and fixing member 1
And an O-ring 3 for sealing between the fixing member 1 and
The protrusion 4 and the groove 5 which are engaged with each other are provided on the holding member 2.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a water spray nozzle holder mounted on a compaction roller machine for compacting asphalt or the like in pavement construction, and more particularly to a water spray nozzle holder that can be easily removed with bare hands.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, when compacting asphalt in pavement work, etc., a compaction roller machine that compacts by the weight of the roller has been used. This compaction roller machine presses the heated asphalt, for example, when the asphalt is pressed and solidified, so that the asphalt adheres to the roller or the tire. Therefore, conventionally, the above adhesion is prevented by pressing the roller and tire while sprinkling them with water.

As shown in the schematic side view of the compaction roller machine R shown in FIG. 5 and the schematic plan view shown in FIG. 6, this watering is performed by the water tank 21, the roller 22 and the tie arranged at the rear of the driver's seat. The water supply pipe 24 provided at the upper portion of the tub 23 is connected to the water supply pipe 24 through the pipe line 25, and the pump 26 is driven to supply water from the water tank 21 to the front and rear water supply pipes 24 through the strainer 27. The water is sprayed onto the surfaces of the roller 22 and the tire 23 from a plurality of water spray nozzles N provided in the.

As shown in the side sectional view of FIG. 7, the sprinkling nozzle N has a threaded portion N formed at a base portion of the sprinkling nozzle N on a threaded portion 28 a of a T-shaped pipe joint 28 provided on the water supply pipe 24. It is fixed by screwing a.

[0005]

[Problems to be solved by the device]

 By the way, in the water in the water tank 21, many iron powders such as rust generated in the tank are present. Therefore, the water is supplied from the water tank 21 through the strainer 27 to remove foreign substances such as rust contained in the water supplied to the water spray nozzle N. However, although this strainer 27 can remove a large amount of rust, it passes a small amount of rust.

On the other hand, the water spray nozzle N is formed with a slit Nb so that the supplied water can be sprayed at a predetermined angle or width, and a nozzle strainer is provided to prevent foreign matter from clogging the inside of the slit Nb. Nc is provided. However, even this strainer Nc for nozzles cannot completely remove small rust and the like existing in water, and often clogs the inside of the slit Nb.

In such a case, in the water spray nozzle N, after the water spray nozzle N is removed from the T-type pipe joint 28 of the water supply pipe 24 by rotating the base of the water spray nozzle N using a tool such as a spanner. Then, the nozzle strainer Nc was removed from the water spray nozzle N to remove the foreign matter clogged inside the slit N b. Then, the sprinkling nozzle N was attached to the T-type pipe joint 28 again by a procedure reverse to the above-described removal procedure. Further, at the time of mounting, it is necessary to mount it by using a sealing tape or the like in order to seal the screw Na.

Therefore, in the conventional water sprinkling nozzle N, the foreign matter is removed by performing the above-mentioned removal work using a tool every time it is clogged. It took a lot of effort. Further, since the rolling roller machine is stopped while the foreign matter in the water spray nozzle N is removed, it may adversely affect the work flow.

Further, since the compaction roller machine is generally used at a work site where the environment is bad, mud or the like adheres to the outside of the water spray nozzle N so that the original function of the water spray nozzle N cannot be exerted. In many cases. In such a case, the sprinkling nozzle N will have to be replaced, but in this case as well, the same sprinkling work as the above-mentioned foreign matter removal work will be performed using a tool, and a new sprinkling nozzle N will be attached, requiring a lot of time. And

As a conventional technique of this type, there is an invention described in JP-A-59-26166. However, the invention described in this publication relates to a fluid transfer mechanism including not only an injection nozzle device but also a pipe connecting device. Therefore, the structure is such that the cap, nozzle, etc. are all disassembled as a single part when disassembled. Therefore, when it is used as a sprinkling nozzle of a compaction roller machine, which is the subject of the present invention, it is extremely difficult to cope with a rapid foreign matter removal operation in a complicated work site. Further, when the present invention is adopted, all the water spray nozzles that have been used in many roller compaction machines have been discarded and newly installed, resulting in a very expensive water spray nozzle.

In view of the above problems, it is an object of the present invention to provide a water spray nozzle holder for a rolling roller machine, which allows the water spray nozzle to be easily removed with bare hands.

[0012]

[Means for Solving the Problems]

 In order to achieve the above object, a watering nozzle holder for a pressure roller machine according to the present invention is a watering nozzle holder for a pressure roller machine that is interposed between a water supply pipe and a watering nozzle. A fixing member for fixing to the water supply pipe, a holding member for holding the sprinkling nozzle, and an annular seal member for sealing between the holding member and the fixing member are provided, and the fixing member and the holding member are provided. The present invention is characterized in that an engaging means composed of concave and convex portions that engage with each other is provided.

[0013]

[Action]

 With the above configuration, the fixing member that constitutes one of the nozzle holders is fixed to the water supply pipe, the water spray nozzle is held by the holding member that constitutes the other of the nozzle holders, and the holding member and the fixing member are provided. The seal member is inserted between the holding member and the holding member integrated with the water sprinkling nozzle, and the engaging means formed by the concavo-convex portions provided on the holding member and the fixing member are engaged with each other with bare hands. By mating, this engaging means integrally joins both parts.

Further, by releasing the engagement between the holding member and the fixing member with bare hands, the water spray nozzle together with the holding member can be easily removed from the water supply pipe. Therefore, it is possible to easily remove foreign matter from the spray nozzle.

[0015]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing a sprinkler nozzle holder according to the present invention. As shown, the sprinkler nozzle holder H includes a fixing member 1 having a screw portion 1a for screwing into a water supply pipe side. A holding member 2 having a screw portion 2a for holding the water spray nozzle, and an O-ring 3 as a sealing member for water-tightly connecting the two members. Further, the fixing member 1 and the holding member 2 are provided with engaging means composed of concave and convex portions so that both members engage with each other. In this embodiment, the engaging means faces the inside of the fixing member 1. The engaging means is configured by providing two projecting portions 4 and providing a groove portion 5 which is movable in the circumferential direction with the projecting portions 4 engaged on the outside of the holding member 2.

A recess 5 a is formed at the end of the groove 5, and the recess 5 a pushes the holding member 2 outward when water pressure is applied to the inside of the holding member 2 to fix the holding member 2. By securely fitting the protrusion 4 and the recess 5a, the protrusion 4 is locked so as to be locked in the groove 5, and the protrusion 4 is prevented from coming off.

Further, in the above embodiment, a plurality of flat surface portions 2c are formed around the brim portion 2b so that the holding member 2 can be easily removed with bare hands, and the flat surface portions 2c can be rotated with bare hands. Can be easily removed. The flange portion 2b may be formed in a polygonal shape on the periphery thereof, or may be knurled on the surface thereof, and may be appropriately formed in a shape that is easy to hold with bare hands.

It should be noted that in the above-described embodiment, the projecting portion 4 constituting the engaging means is provided on the fixed member 1 side and the groove portion 5 is provided on the holding member 2 side, but any member may be provided to provide these configurations. .

By the way, since the water pressure used in the rolling roller machine targeted by the present invention is a low pressure of, for example, about 1 kg / cm to 2 kg / cm, the above-mentioned groove portion 5 of FIG. As in the case of the groove 5 shown in (b), even if the holding member 2 is formed so as to be slightly inclined in the circumferential direction from the axial direction, the holding member 2 is formed so as to be substantially perpendicular to the axial center. However, the same effect can be obtained.

A state in which the water spray nozzle holder H of the present invention having the above-described structure is mounted on the water supply pipe of the compaction roller machine will be described below with reference to the side sectional view shown in FIG. First, the screw portion 1a of the fixing member 1 is fixed to the T-shaped pipe joint 7 provided in the water supply pipe 6 by screwing, and the screw portion 2a of the holding member 2 is fixed to the screw portion 2a which has been conventionally used. The water spray nozzle N 1 is attached to the holding member 2 by screwing the screw portion Na of N. Then, the O-ring 3 is inserted between the fixing member 1 and the holding member 2, and the groove portion 5 of the holding member 2 is rotated along the protrusion 4 of the fixing member 1 while being engaged, whereby the fixing member 1 is rotated. The protrusion 4 of No. 1 engages with the groove 5 of the holding member 2 and is securely fixed when the protrusion 4 reaches the recess 5a formed at the end of the groove 5.

According to the present invention configured as described above, normally, the water supplied from the water supply pipe 6 is cleaned of foreign matters by the nozzle strainer Nc, and is sprayed on the roller 22 and the tire 23 from the slit Nb. (Fig. 5).

When foreign matter that cannot be removed by the nozzle strainer Nc is clogged inside the slit Nb of the water spray nozzle N 1, as shown in the side view of FIG. 4, a holding member 2 for holding the water spray nozzle N 2 is formed. When is rotated in a predetermined direction while being slightly pressed with bare hands, the engagement between the holding member 2 and the fixing member 1 is released, so that the holding member 2 and the water spray nozzle N can be integrally removed. Since the force at this time is a force that slightly presses the O-ring 3 that seals the holding member 2 and the fixing member 1 in a watertight manner, it can be easily removed with bare hands.

Further, since the water spray nozzle N and the holding member 2 can be integrally removed, it is easy to perform only the nozzle strainer Nc of the water spray nozzle N while holding the holding member 2 without disassembling each part. Therefore, it is possible to remove foreign matter quickly, and it is possible to quickly remove foreign matter even at a complicated work site.

By the way, conventionally, many roller compaction machines have been operating at the pavement construction site and the like, but all of these machines have the above-mentioned problems. Therefore, even in these rolling compactor machines that are in operation, it is easy to use with a bare hand by installing the watering nozzle N that has been conventionally mounted on the water supply pipe through the watering nozzle holder H of the present invention. The water spray nozzle N can be detached. Therefore, it is possible to easily achieve the same effect even in an existing compaction roller machine.

[0025]

[Effect of device]

 According to the present invention, by removing the holding member from the fixing member with bare hands, the water spray nozzle together with the holding member can be easily removed from the pipe, so that the clogging of the water spray nozzle can be removed very easily. As a result, the time and labor required to remove foreign matter in the water spray nozzle can be greatly reduced.

Further, by providing the water spray nozzle holder of the present invention to the water spray nozzle used in the conventional roller compaction machine, the roller compactor machine conventionally used can be easily handled with bare hands. It is possible to realize a removable sprinkling nozzle.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a water spray nozzle holder according to the present invention.

2A and 2B are side views showing examples of engagement grooves provided in a holder.

FIG. 3 is a side sectional view showing a state in which the water spray nozzle holder according to the present invention is mounted.

FIG. 4 is a side view showing a state where a holding member is removed from the water spray nozzle holder of the present invention.

FIG. 5 is a schematic side view of the entire conventionally used compaction roller machine.

FIG. 6 is a schematic plan view of an entire conventionally used compaction roller machine.

FIG. 7 is a side sectional view showing a conventionally used water spray nozzle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Fixing member 2 ... Holding member 3 ... O-ring (sealing member) 4 ... Projection part (engaging means) 5 ... Groove part (engaging means) 6 ... Water supply piping H ... Sprinkling nozzle holder N ... Sprinkling nozzle

Claims (1)

[Scope of utility model registration request] 1. A water spray nozzle holder for a compaction roller machine, which is interposed between a water supply pipe and a water spray nozzle, wherein the fixing member is fixed to the water supply pipe, and the holding member holds the water spray nozzle. A member, an annular seal member for sealing between the holding member and the fixing member, and the fixing member and the holding member are provided with engaging means composed of concave and convex portions that engage with each other. A water spray nozzle holder for a compacting roller machine.