JP2000238964A - Winding device for high pressure hose - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light and high-strength winding device. SOLUTION: Aluminum-alloy-made hollow wheel member 19, 19' having concentric aluminum-alloy-made disks 17, 17' are faced to each other. The central shaft of one hollow wheel member 19' is formed from aluminum-alloy- made hollow cylinder member 16', a pair of aluminum-alloy-made circular-arc hollow members 10, 10' are grabbed and mounted by the disks of facing hollow wheel members as a facing cylindrical arrangement by providing a parallel clearance 41 larger than a diameter of a hollow cylindrical member, and an aluminum-alloy-made handle member 25 is mounted to the outside of the central shaft of the other hollow wheel member 19. A guide-in hose is connected with an outside connecting opening of a hose connecting rotation member mounted in the hollow cylinder member 16' of one hollow wheel member, and a guide-out hose having an opening/closing nozzle at its tip is connected with an inside connecting opening of the hose connecting rotation member and is pulled out from the parallel clearance, and is wound around the outer surface of a cylindrical portion formed from the pair of circular-arc hollow members 10, 10'.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winding device for a high-pressure hose, and more particularly to a winding device for a hose used for spraying or spraying agricultural chemicals, which is lightweight and has high strength.

[0002]

2. Description of the Related Art There are various devices for spraying pesticides on rice fields. However, there are various devices for spraying while unwinding a hose wound on a drum, and conversely, while winding a hose. Spraying is widely used because the apparatus is inexpensive and the labor can be reduced.
However, since high pressure is applied to the hose during spraying, a large force acts on the member around which the hose is wound. Therefore, since high strength is required for such a member, the conventional device is usually made of iron, and is heavy and difficult to handle.

[0003]

SUMMARY OF THE INVENTION The present invention has been developed in view of the above, and as a result, a light-weight and easy-to-handle high-pressure hose winding device for spraying agricultural chemicals has been developed.

That is, according to the present invention, two aluminum alloy hollow wheel members each having a concentric aluminum alloy disk fixed thereto are opposed to each other, and a pair of symmetrical aluminum alloy arc-shaped hollow members are replaced with one hollow member. The center axis of the wheel member is formed of a hollow cylindrical member made of an aluminum alloy, and a parallel gap larger than the outer diameter of the hollow cylindrical member is provided so as to be opposed to each other and sandwiched by the disks of the opposed hollow wheel members. And mounting the aluminum alloy handle member on the outside of the center axis of the other hollow wheel member, mounting the hose connection rotating member inside the hollow cylindrical member of one hollow wheel member, and connecting the hose connection rotating member to the outside. An inlet hose is connected to the mouth, and an outlet hose having an openable / closable nozzle at the tip is connected to the inner connection port of the hose connection rotating member. Drawer from the parallel gap, is winding apparatus of a high pressure hose, characterized in that winding on the outer surface of the cylindrical portion formed by a pair of arcuate hollow member.

At this time, a longitudinally continuous reinforcing plate inside the arcuate hollow member formed by the arcuate curved surface and the chordal plane is integrally formed, and the pair of the arcuate hollow members is attached to the cross section. The arrangement is such that the respective arc-shaped curved surface portions are on the same circumference, and the diameter R of the circle forming the circumference, the height h from the chordal plane of the arc-shaped hollow member to the vertex of the arc-shaped curved surface. , And the width d of the parallel gap between the chordal planes of the pair of arc-shaped hollow members is d = R−2h, and d is sufficient for the hand of the worker who handles the outlet hose to be freely inserted. It is effective to have a large size.
Also, a plurality of bolt screw holes are engraved on both end surfaces of a pair of arc-shaped hollow members, and bolt through holes corresponding to the bolt screw holes are provided on a disk fixed to each hollow wheel member. The pair of arc-shaped hollow members and the respective hollow wheel members are assembled with bolts, and respective gantry frames for rotatably supporting the central rotation axes of the respective hollow wheel members are straddled between these gantry frames. These bolts are connected by a handle member, and a hand-held handle portion of the handle member is provided interchangeably inside and outside, or a gantry that rotatably supports a hollow wheel member on both sides to which a pair of arc-shaped hollow members is attached. It is also effective to provide a hose guide member movable along the rotation axis direction of the hollow wheel members on both sides.

[0006]

Embodiments of the present invention will be described below.

(Embodiment 1) The hose winding device in this embodiment is obtained by assembling the following components.
That is, first, as shown in FIG. 1, a reinforcing pipe (1) (1 ′), which is a hollow pipe having a cross section D made of an extruded aluminum alloy and has a longitudinally continuous inside, is formed into an arc-shaped curved surface (2). Are provided integrally with each other in the radial direction with respect to the arc shape, and bolts are respectively provided in the longitudinal direction at the boundary between the arc-shaped curved surface (2) and the chordal plane (3) and at the center of the arc-shaped curved surface (2). Two arc-shaped hollow members (10) and (10 ') integrally formed with the mounting holes (4) to (6) were manufactured.

Next, as shown in FIG. 2, an aluminum alloy square pipe (7) is bent into a trapezoid, and a round pipe (8) for an aluminum alloy bearing is fixed to the top by welding. Were produced. In the figure, (1
1) are through holes through which long bolts are inserted when a handle member described later is fixed. As shown in FIG. 3, an aluminum alloy round pipe (15) is formed in a circular shape, and an aluminum alloy hollow cylindrical member (16) is passed through the center of an aluminum alloy disk (17) and fixed by welding. Disk (1
7) is located at the center of the circular pipe (15), and the circular pipe (15) and the circular plate (17) are connected via the aluminum alloy round pipe (18). Connect and fix the hollow wheel member (19) (1)
9 ′) were produced. It is assumed that the radius of the circular plate (17) is the same as the radius of the circle formed by the arc of the arcuate curved surface (2) in the cross section of the arcuate hollow member (10) (10 ') in FIG.

As shown in FIG. 4, the central hollow cylindrical member (16) of the one hollow wheel member (19) penetrates through the bearing round pipe (8) of the one gantry frame (9) and protrudes. The base end of a handle arm (20) made of an aluminum alloy plate is welded and fixed to the distal end surface, and the handle arm (20) is attached to the distal end of the handle arm (20).
A wheel, frame and handle integrated part was manufactured by attaching a wooden or aluminum alloy hand-held handle (25) orthogonal to 0) with a handle mounting bolt (21) so as to be interchangeable inside and outside. In the figure, the hand-held handle (25) is attached in the opposite direction, but this is for the purpose of making the apparatus compact when disassembling and storing the apparatus, etc. The handle (25) may be detached with the mounting bolts (21) and then attached outward.

Further, as shown in FIG. 5, a round pipe (26) made of an aluminum alloy handle is bent into a substantially U-shape, and its both ends are cross-sectionally fitted to the outer side surface of the square pipe (7) of the gantry frame. A bent plate (27) (2)
7) Welded handle parts (28) and (28 ')
Made individually. In the drawing, reference numeral (22) denotes a through hole through which a long bolt is inserted when the rectangular pipe (7) is fixed. Then, the hose winding device of the present invention was assembled from the above components and a commercially available hose connection rotating member using various bolts and nuts as follows.

First, as shown in FIG. 6, the hand-held handle (25) of the wheel / frame / handle integrated part is reattached in a predetermined direction. In the figure, reference numeral (23) denotes an injection hole for grease or the like which is provided so that the hollow cylindrical member (16) fixed to the hollow wheel member (19) rotates smoothly in the round pipe for bearing (8). Next, as shown in FIG. 7, a hollow cylindrical member (16 ') fixed to another hollow wheel member (19') is fixed to another gantry frame (9 '). ) And the tip protrudes,
In advance, bolts (29) are temporarily fixed to penetrating female screw holes formed at the tip of the round pipe (8) at intervals of 120 ° toward the center axis thereof.

As shown in FIG. 8, the surfaces of the hollow wheel members (19) and (19 ') shown in FIGS. 6 and 7 face each other, and the disk (1) fixed to these hollow wheel members is turned on.
7) A pair of arc-shaped hollow members (10) (1)
0 '), bolt holes (4) to (6) of these arc-shaped hollow members are provided in advance in the discs (17) and (17') corresponding to the female screw holes formed in advance at both ends. The arc-shaped hollow members (10) (10 ') are fixed to the central portions of the hollow wheel members (19) (19') by passing bolts (30) through bolt holes (33). At this time, as shown in FIG. 9, the arc-shaped hollow members (10) (10 ′) have their chordal planes (3) (3) sandwiching the rotation axis of these hollow wheel members (19) (19 ′). The hollow cylindrical members (16) and (16 ') are fixed in parallel to each other so as to form parallel gaps (41) separated by a distance d larger than the outer diameter of the hollow cylindrical members (16) (16').

At this time, the arc-shaped hollow members (10) (10 ')
As shown in FIG. 10, the cross-sectional arrangement of the circular hollow members (10) and (10 ') is such that the arc-shaped curved surfaces (2) and (2') of the circular hollow members (10) and (10 ') correspond to the circumferences of the disks (17) and (17'). The overlapping and chordal planes (3) (3 ') are parallel to each other at a distance d from one another. Therefore, the diameter of the circular plates (17) and (17 ') is R, and the circular curved surfaces (2) of the circular hollow members (10) and (10').
When the height of (2 ′) is h, the relationship of d = R−2h always holds. When R is a certain value, it is better to increase h to increase the strength, but d is at least as large as the hollow cylindrical member (16) (1).
If the diameter is not larger than 6 '), the hose cannot be led out of the parallel gap (41) as described later, and it is more preferable to provide a sufficient handling space for attaching the lead hose. R = 170m as an example
m, inner diameter φ30mm of hollow cylindrical member (16) (16 ') x
When the outer diameter is φ40 mm, d is suitably 60 to 70 mm.

Next, as shown in FIG. 9, each of the U-shaped bent plates (27)... Of the two handle parts (28) (28 ') is connected to the respective gantry frame (9).
(9 ') is fitted to the position of the through hole of the square pipe, and the long bolt (31) is inserted through the through hole (22) of the bent plate (27) ... through hole (11) of the square pipe. Respectively, and connected and fixed by nuts (32). Thereafter, the hexagonal fixing portion (36) of the hose connection rotating member (35) as shown in FIG.
Is inserted into the hollow cylindrical member (16) of one of the hollow wheel members (19 '), and the temporarily fixed bolt (2) is inserted.
9), three recesses (37) on the outer peripheral surface were fastened and fixed from three sides to obtain a hose winding device of the present invention as shown in FIG.

The hose connection rotating member (35) comprises a hexagonal fixing part (36) facing inward of the winding device and a hexagonal turning part (38) facing outward, and the hexagonal fixing part (36).
Since the connecting portion between the hexagonal rotating portion (38) and the hexagonal rotating portion (38) is rotatable, if the hexagonal fixing portion (36) side is fixed, the outer connection port (39) of the hexagonal rotating portion (38) is fixed. The hose connected to is not twisted in any way. The hose connection rotating member (35) is in a state where the hexagonal rotating portion (38) projects from the hollow cylindrical member (16) of the one hollow wheel member (19 ') as shown in FIG. To the outer connection port (39), an introduction hose from a separately provided hydraulic pump (not shown) is connected, and the hollow cylindrical member (1) is connected.
6) The inside connection port (4) of the hexagon fixing part (36) located inside
0) is connected to one end of an outlet hose wound around the drum body. Although not shown, a nozzle that can be manually opened and closed is attached to the end of the outlet hose, and the outlet hose is provided with a parallel gap (41) between the opposed arcuate hollow members (10) and (10 ′). ) And wound around the outer peripheral surfaces of these arc-shaped hollow members. In the figure, (42)... Are anti-slip rubber members.

[0016] Such a hose winding device has a sufficient strength at the drum portion around which the hose is wound, although the components are mostly hollow members made of an aluminum alloy and thus are lighter than conventional iron members. Even when a liquid pesticide, water, or the like is pumped at a high pressure from a hydraulic pump with the hose wound around the drum, the drum is not damaged or damaged. In other words, this type of winding device usually carries the hose to the place to be used in a wound state, first sends the chemical solution or water for spraying into the hose at high pressure, and then gradually adjusts the opening and closing of the openable nozzle at the end of the hose. Spraying or watering while unwinding the hose. Therefore, when the hose is wound, a high pressure is applied to the hose, so that the drum portion needs to have high strength. However, according to the present invention, a lightweight and high-strength winding device can be obtained.

Further, the hose winding device as described above can be compactly stored when not in use for a long time because a plurality of parts are all assembled with bolts and nuts as shown in the figure, and it is lightweight and compact during transportation. Easy to handle because there is. In addition, handles are attached on both sides, making it easy to carry. For all the aluminum alloy hollow members other than the arc-shaped hollow members (10) and (10 '), if the outer circumferential grooved tube having a large number of grooves along the outer circumferential direction becomes less slippery during handling, it is handled. It will be easier.

Embodiment 2 Next, another embodiment of the present invention will be described.
As shown in FIG. 13, the hose winding portion, that is, the hollow wheel members (19) and (19 '), the arc-shaped hollow member (10)
(10 ') and the handle member are the same as those in the first embodiment, and an aluminum alloy L-shaped member (45) (4) is used as a frame for rotatably mounting the hose winding portion.
5) and the aluminum alloy round pipes (46) and (46) are welded and fixed in a substantially trapezoidal shape, and the device fixing circular metal fittings (47) are welded to the four grounding ends of these L-shaped members (45). Was made. Then, the opposite grounding ends of the two frames are connected to the aluminum alloy plates (48) and (48 '), respectively, and fixed by bolts and nuts. The same bolts and nuts are used to fix the aluminum alloy round pipe. Handle members (50) and (50 '). Further, the hollow cylindrical member (1) on the side of the hollow wheel member (19 ') to which the hand-held handle (25) is not attached.
6 ′), a hose connection rotating member (35) was fixed with bolts. Such a hose winding device can be fixed to a carrier such as a truck or a hand cart using a through hole (49) formed in the circular metal fitting (47) for fixing the hose. Since it is possible to spray agricultural chemicals and the like while the device is fixed to the transport vehicle, it is not necessary to carry the winding device itself by hand and the spraying operation becomes easier. Further, it is more convenient to place equipment such as a pump for sending a chemical solution or the like on a carrier.

(Embodiment 3) FIG. 14 shows still another embodiment of the present invention. As in the case of the second embodiment, the hose winding portion has the same structure as that of the first embodiment, and a gantry portion for rotatably supporting the hose has the following structure. That is, the aluminum alloy round pipes (56) and (56 ') are bent into a rectangular shape, and the aluminum alloy L-shaped member (55) is provided inside the rectangular pipe.
(55 ') with the frame members laterally arranged facing each other,
Two lower portions and one upper portion of the opposed corner portions of the frame member are connected and fixed by aluminum alloy connection round pipes (57), respectively. Two guide rails (58) and (58) made of aluminum alloy round bars were welded and fixed in parallel to form a gantry frame. And the L-shaped material (5
5) Aluminum alloy bearing round pipes (8) and (8 ') that rotatably support the rotating shafts of the hollow wheel members (19) and (19') of the hose winding portion are fixed to (55 ') by welding, respectively. And aluminum alloy short pipes (59) and (59) loosely inserted into the guide rails (58) and (58), respectively.
And a hose guide member comprising an aluminum alloy guide ring (60) with upper and lower ends welded and fixed to the short pipes (59), (59), and a hand-held handle (25).
The hose connecting rotary member (3) is attached to the hollow cylindrical member (16 ') fixed to the hollow wheel member (19') to which no
5) was fixed with bolts. In the figure, (61) denotes a non-slip rubber member of the present apparatus.

In such a hose winding device,
The lead-out hose is passed through the guide ring (60), and is provided with an openable and closable nozzle at the end of the guide ring. The hose can be wound without any gap by moving the hose by the diameter of the hose. Even when the winding hose is twisted, the hose is not twisted and wound by passing through the guide ring (60). Further, an openable nozzle is attached to the tip of the hose as described above. However, when wound, the nozzle hits the guide ring (60) and does not pass therethrough. The hose is easy to pull out because the location of the nozzle is clear when stored.

[0021]

As described above, according to the present invention, the hose winding device for spraying agricultural chemicals has high strength despite its light weight and easy transportation. Furthermore, it can be disassembled and is easy to assemble, and can be used by being fixed to a loading platform or the ground. If a guide ring for the hose is provided, the trouble that occurs when the hose is taken up and pulled out is eliminated.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an arcuate hollow member of the device of the present invention.

FIG. 2 is a perspective view showing a gantry frame of the apparatus of the present invention.

FIG. 3 is a perspective view showing a hollow wheel member of the device of the present invention.

FIG. 4 is a perspective view showing a wheel, frame and handle integrated part of the device of the present invention.

FIG. 5 is a perspective view showing a handle part of the apparatus of the present invention.

FIG. 6 is a perspective view showing a procedure of assembling the apparatus of the present invention, in a state where a hand-held handle of a wheel / frame / handle integrated part is remounted.

FIG. 7 is a perspective view showing a procedure for assembling the apparatus of the present invention, in a state where another hollow wheel member is mounted on another gantry frame;

FIG. 8 is a perspective view showing a procedure for assembling the device of the present invention, in a state where an arc-shaped hollow member is attached.

FIG. 9 is a perspective view showing a procedure of assembling the apparatus of the present invention, in which a handle part is attached.

FIG. 10 is an explanatory diagram showing a cylindrical arrangement of the arc-shaped hollow members.

FIG. 11 is a perspective view showing a hose connection rotating member used in the apparatus of the present invention.

FIG. 12 is a perspective view showing the apparatus of the present invention according to the first embodiment.

FIG. 13 is a perspective view showing a device of the present invention according to a second embodiment.

FIG. 14 is a perspective view showing a device of the present invention according to a third embodiment.

[Explanation of symbols]

 1, 1 'Reinforcement plate 2 Arc-shaped curved surface 3 Chord-shaped plane 4-6 Bolt mounting hole 7 Aluminum alloy square pipe 8 Aluminum alloy bearing round pipe 9, 9' Mounting frame 10, 10 'Arc hollow member 11 Penetration Hole 15 Aluminum alloy round pipe 16, 16 'Aluminum alloy hollow cylindrical member 17 Aluminum alloy disk 18 Aluminum alloy round pipe 19, 19' Hollow wheel member 20 Handle arm 21 Handle mounting bolt 25 Hand-held handle 26 Aluminum alloy Handle round pipe 27 Sectional U-shaped bent plate 28, 28 'Handle part 29 Bolt 30 Bolt 31 Long bolt 32 Nut 35 Hose connection rotating member 36 Hex fixing part 37 Recess 38 Hex rotating part 39 Outside connection of hexagon rotating part Port 40 Inside connection port of hexagon fixing part 41 Parallel Gap 42 Anti-slip rubber member 45 Aluminum alloy L-shaped material 46 Aluminum alloy round pipe 47 Circular metal fitting for device fixing 48, 48 'Aluminum alloy plate 49, 49' Through hole 50, 50 'Handle member 55, 55' Aluminum alloy L-shaped member 56, 56 'Round pipe for aluminum alloy frame 57, 57' Round pipe for connection made of aluminum alloy 58 Guide rail 59 Aluminum alloy short pipe 60 Guide ring 61 Non-slip rubber member

Claims (4)

[Claims] An aluminum alloy hollow wheel member having a concentric aluminum alloy disk fixed thereto is opposed to each other, and a pair of symmetrical aluminum alloy arc-shaped hollow members is attached to one of the hollow wheel members. The central axis is formed of a hollow cylindrical member made of an aluminum alloy, and a parallel arrangement is provided with a parallel gap larger than the outer diameter of the hollow cylindrical member so as to be opposed to each other. A handle member made of aluminum alloy is attached to the outside of the center axis of the other hollow wheel member, and a hose connection rotating member is attached to the hollow cylindrical member of one hollow wheel member, and the hose connection rotating member is introduced into the outer connection port. Hose is connected, and a lead-out hose having an openable and closable nozzle at the tip is connected to the inner connection port of the hose connection rotating member, and the Drawer, the take-up device of a high-pressure hose, characterized in that winding on the outer surface of the cylindrical portion formed by a pair of arcuate hollow member. 2. An arc-shaped hollow member formed by an arc-shaped curved surface and a chord-shaped flat surface is integrally formed with a reinforcing plate continuous in the longitudinal direction, and a pair of said arc-shaped hollow members is mounted in a cross-sectional arrangement. , Each arc-shaped curved surface portion is on the same circumference,
And the diameter R of the circle forming the circumference, the height h from the chordal plane of the arc-shaped hollow member to the top of the arc-shaped curved surface, and the width of the parallel gap between the chordal planes of the pair of arc-shaped hollow members. 2. The high-pressure hose winding device according to claim 1, wherein d = R-2h when d is set, and d is large enough to allow an operator's hand handling the outlet hose to be freely inserted. 3. A plurality of bolt screw holes are formed at both end surfaces of a pair of arc-shaped hollow members, and bolts corresponding to the bolt screw holes are formed in a disk fixed to each hollow wheel member. A hole is provided, the pair of arc-shaped hollow members and the respective hollow wheel members are assembled with bolts, and each of the gantry frames that rotatably supports the center rotation axis of each of the hollow wheel members is interposed between these gantry frames. The high-pressure hose winding device according to claim 1 or 2, wherein a bolt member is connected by a handle member straddling the handle member, and a hand-held handle portion of the handle member is provided interchangeably between inside and outside. 4. A gantry for rotatably supporting the hollow wheel members on both sides to which a pair of arc-shaped hollow members are attached, and a hose guide member movable along the rotation axis direction of the hollow wheel members on both sides. The high-pressure hose winding device according to claim 1 or 2.