JP2012017156A - Spray work machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a spray work machine that can be downsized while making it possible to draw and wind up a spray hose smoothly in all directions of 360°.SOLUTION: In a spray work machine 100 which has a pump 2 that sucks and discharges a liquid, a spray hose 4 that feeds out and sprays the liquid discharged from the pump 2, and a hose reel 5 that winds up the spray hose 4, an annular loop body 24 is horizontally disposed above the hose reel 5, and this loop body 24 extends in the axis center direction of the hose reel 5 so as to become horizontally long-shaped having the approximately same width as the hose reel 5 in the axis center direction, so that the spray hose 4 is inserted to the small loop body 24 to lead to the part of the hose reel 5 without fail and the spray hose 4 can be smoothly drawn and wound up in all directions of 360° while attempting downsizing.

Description

  The present invention relates to a spray work machine.

  Conventionally, a tank that can store liquid, a pump that sucks and discharges liquid in the tank, a power source that drives the pump, a spray hose that sends out and sprays liquid in the tank discharged from the pump, 2. Description of the Related Art A spray working machine configured by mounting a hose reel that winds up the spray hose on a carriage is known. It is preferable that such a spray work machine can smoothly draw out and wind up the spray hose from all 360 degrees. As a configuration for realizing this, a hose guide that leads a high-pressure hose (spray hose) to a winding wheel (hose reel) and an annular frame that leads the high-pressure hose to the hose guide from 360 degrees in all directions has been proposed. (For example, refer to Patent Document 1).

JP-A-10-295842

  However, in the configuration described in Patent Document 1, a large installation space is required because the annular frame is larger than the hose reel. Furthermore, in the case of a frame larger than the hose reel, the spray hose may not be guided onto the hose reel depending on the pulling direction, so that a hose guide is required as described above. For this reason, there existed a problem that a spray working machine will enlarge.

  The present invention has been made to solve such problems, and is a spray working machine capable of achieving downsizing while enabling smooth drawing and winding of the spray hose in all directions of 360 degrees. For the purpose of provision.

  A spray working machine (100) according to the present invention includes a pump (2) for sucking and discharging a liquid, a power source (3) for driving the pump (2), and a liquid discharged from the pump (2) for spraying. In a spray working machine (100) having a spray hose (4) to be wound and a hose reel (5) to wind up the spray hose (4), the spray hose (4) is disposed horizontally above the hose reel (5). ) Has a ring-shaped loop body (24) that can be inserted in the vertical direction, the loop body (24) has a horizontally long shape, and the extending direction of the horizontally long shape faces the axial direction of the hose reel (5). It is arrange | positioned and it is comprised so that it may have a width | variety equivalent to a hose reel (5) in the said axial direction.

  According to such a spray work machine (100), the spray hose (4) includes the ring-shaped loop body (24) that can be inserted in the vertical direction, and this loop body is provided in the axial direction of the hose reel (5). The spray hose (4) extends through the small loop body (24) regardless of the direction of the hose reel (4) because it has a horizontally long shape extending in the axial direction and having the same width as the hose reel (5). 5) Guided up. This makes it possible to smoothly draw out and wind up the spray hose (4) with respect to all directions of 360 degrees while reducing the size.

  Here, a support body (25) for supporting the loop body (24) from below is provided, and the loop body (24) and the support body (25) are each composed of a frame having a circular arc-shaped section. 25), the spray hose (4) is the frame of the support body (25) when the frame of the loop body (24) is shifted from the frame of the loop body (24) to the inside of the ring shape. And the frame of the loop body (24) both come into contact with each other, so that the contact pressure between the frame and the spray hose (4) is dispersed, so that the spray hose (4) can be drawn and wound more smoothly.

  Moreover, when the both ends in the extending direction of the loop body (24) are higher than the portions other than the both ends, the spray hose (4) is pulled out in the axial direction of the hose reel (5). In this case, the position where the spray hose (4) comes into contact with the loop body (24) is increased, and the spray hose (4) can be easily routed, so that the spray hose (4) can be drawn and wound more smoothly.

  As described above, according to the present invention, it is possible to provide a spray working machine capable of achieving downsizing while allowing the spray hose to be smoothly pulled out and wound up in all directions of 360 degrees.

It is a front perspective view of the spray work machine concerning a 1st embodiment of the present invention. It is a left view of the spray work machine shown in FIG. It is a top view of the spray work machine shown in FIG. It is the IV-IV arrow line view in FIG. It is a VV arrow line view in FIG. It is an enlarged view which shows the fixing | fixed part of the support body in FIG. It is a rear view which shows the loop body and support body of the spray working machine which concern on 2nd Embodiment of this invention.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a spray working machine according to the invention will be described with reference to the accompanying drawings. Note that, in each drawing, the same elements are denoted by the same reference numerals, and redundant description is omitted.

  1 is a front perspective view of a spray working machine according to a first embodiment of the present invention, FIG. 2 is a left side view of the spray working machine shown in FIG. 1, and FIG. 3 is a plan view of the spray working machine shown in FIG. 4 is a view taken along the line IV-IV in FIG. 2, FIG. 5 is a view taken along the line VV in FIG. 4, and FIG. 6 is an enlarged view showing a fixing portion of the support in FIG.

  As shown in FIGS. 1 to 3, the spray working machine 100 according to the present embodiment includes a tank 1 that can store a liquid, a pump (dynamic spray) 2 that sucks and discharges the liquid in the tank 1, A power source 3 (in this case, an internal combustion engine) that drives the pump 2, a spray hose 4 that sends out and sprays the liquid in the tank 1 discharged from the pump 2, and a hose reel 5 that winds up the spray hose 4. It is configured to be mounted on. Further, the carriage 6 includes a handle 7 for an operator to hold, and the operator can hold the handle 7 and push and pull the carriage 6 like a handcart. Hereinafter, the side where the handle 7 is provided (the right side in FIG. 2) is the rear side of the spray working machine 100.

  The carriage 6 includes a pedestal portion 13 on which the above-described elements are mounted. A pair of front wheels 8 and 8 whose axial centers extend in the left-right direction are rotatably supported on the front side of the pedestal portion 13. On the rear side, a pair of left and right rear wheels 9, 9 are rotatably supported. The rear wheels 9 and 9 can change the direction of the axial center freely in a horizontal plane, and the direction change of the carriage 6 is easy.

  A pair of left and right upper frames 10, 10 rising vertically from the front side of the pedestal portion 13 and extending rearward are provided on the upper portion of the carriage 6 configured to be movable in this manner. A pair of handle support frames 11, 11 are provided so as to be connected to the rear end of 10 and extend upward and rearward. The rear ends of the pair of handle support frames 11, 11 are connected to each other by a frame extending in the left-right direction, and the frame extending in the left-right direction constitutes a grip frame 12 held by the operator. The handle 7 is constituted by the handle support frames 11 and 11 and the grip frame 12.

  The tank 1 is placed between the pedestal 13 of the carriage 6 and the upper frames 10 and 10. An inlet for injecting liquid is formed on the upper front side of the tank 1 (left side in FIG. 2), and the inlet is sealed with a cap 14.

  A luggage bag 15 capable of accommodating a luggage is attached to the rear of the tank 1 and below the handle 7.

  A pump set 27 including the pump 2 and its power source 3 is placed on the upper front side of the pair of upper frames 10 and 10.

  Further, on the upper rear side of the pair of left and right upper frames 10, 10, a pair of left and right reel stands 16, 16 for mounting the hose reel 5 are provided, respectively, on the pair of reel stands 16, 16, A pair of bearing bodies 17 and 17 are mounted.

  The hose reel 5 includes a core body 19 around which the spray hose 4 is wound, and a pair of annular plates 20 and 20 that prevent the spray hose 4 from falling off at both axial ends of the core body 19. . Further, the hose reel 5 has a pair of cylindrical bodies 21 and 21 that are connected to both ends of the core body 19 and project outward from the left and right sides of the pair of annular plates 20 and 20. 21 is rotatably supported by the pair of bearing bodies 17, 17. In this way, the hose reel 5 is supported by the carriage 6 and is rotatable around an axis extending in the left-right direction. Also, a crank-like handle 22 is connected to one end of the cylinders 21 and 21 (here, the right cylinder 21), and the hose reel 5 can be rotated by gripping the handle 22. It has become.

  The spray hose 4 is wound around the hose reel 5. Further, a spray nozzle 23 is attached to the tip of the spray hose 4, and liquid is sprayed from the spray nozzle 23. Then, the spray hose 4 wound around the hose reel 5 is pulled out, or the spray hose 4 pulled out is rewound onto the hose reel 5 so that the spraying operation can be performed while appropriately adjusting the pull-out length of the spray hose 4. It has become.

  Here, the loop body 24 for guiding the drawing and winding of the spray hose 4 and the support body 25 for supporting it will be described.

  The support body 25 has a pair of support frames 26 and 26 arranged in parallel in the front-rear direction, and each support frame 26 and 26 is formed of a pipe material (see FIG. 5). The material of the frames 26 and 26 may be a columnar material. The pair of support frames 26 and 26 are each formed in a U-shape when viewed from the front, and are arranged in a state where the hose reel 5 is accommodated in the opening with the opening side facing downward (see FIG. 4). ).

  As shown in FIG. 6, male screw portions 26b and 26b are formed at both lower ends of each support frame 26, and both lower ends of each support frame 26 are formed by the male screw portions 26b and 26b. A pair of left and right reel stands 16 are attached. Specifically, a hole penetrating in the vertical direction is formed in the pair of bearing bodies 17, 17, and a hole penetrating in the vertical direction is also formed in a corresponding position of the pair of reel stands 16, 16. The male threaded portions 26b, 26b of both lower ends of the support frame 26 are inserted through. The nuts 28 and 28 on the back side of the pair of reel stands 16 and 16 are tightened against the male screw portions 26b and 26b, and both ends of the support frame 26 together with the pair of bearing bodies 17 and 17 are paired with the pair of reel stands 16, 16 is attached to each. In addition, the hole for inserting the external thread part 26b is formed in the front part and the rear part of the bearing body 17 and the reel base 16, and the front support frame 26 is attached to the front hole. A rear support frame 26 is attached.

  As shown in FIGS. 1-3, the upper part extended in the left-right direction of a pair of support frames 26 and 26 crosses the upper direction of the hose reel 5 right and left, and the loop body 24 is mounted on it (FIG. 4). reference). The loop body 24 is a frame made of a pipe material (or a columnar material) (see FIG. 5), and is configured in an oval shape extending in the left-right direction in plan view. The lateral width of the loop body 24 is equal to the lateral width of the hose reel 5. The loop body 24 formed in this way is placed on and connected to the pair of support frames 26, 26 such that a pair of front and rear linear portions extending in the left-right direction overlap each other on top of the pair of support frames 26, 26, respectively. Has been. In this connected state, the upper portions extending in the left-right direction of the pair of support frames 26, 26 are arranged to be shifted to the inner side of the ring shape formed by the loop body 24 with respect to the pair of front and rear straight portions extending in the left-right direction of the loop body 24. (See FIG. 5).

  According to the spray working machine 100 configured as described above, the spray hose 4 includes the annular loop body 24 that can be inserted in the vertical direction, and the loop body 24 extends in the axial direction of the hose reel 5. The spray hose 4 is guided onto the hose reel 5 through the small loop body 24 regardless of the direction it is drawn because it has a horizontally long shape having the same width as the hose reel 5 in the axial direction. This makes it possible to smoothly draw out and wind up the spray hose (4) with respect to all directions of 360 degrees while reducing the size.

  In the present embodiment, the frame of the loop body 24 and the support body 25 has an arc-shaped portion so that the spray hose 4 is not damaged even if it contacts the spray hose 4. The spray hose 4 is in contact with both the frame of the support body 25 and the frame of the loop body 24 because it is arranged so as to be shifted inside the ring shape formed by the loop body 24 with respect to the frame of the loop body 24. The spraying hose 4 is more smoothly drawn out and wound up.

  Further, by tightening the nuts 28 and 28 to the male thread portions 26b and 26b at both ends of the support frame 26 constituting the support 25, the support frame 26 and the pair of bearing bodies 17 and 17 are shared with the reel bases 16 and 16. Since it can be tightened, the number of parts can be reduced and the cost can be reduced.

  Next, a second embodiment of the spray working machine according to the present invention will be described. FIG. 7 is a rear view showing the loop body and the support body of the spray working machine according to the second embodiment of the present invention.

  The second embodiment is different from the first embodiment in that, as shown in FIG. 7, instead of the loop body 24, the loop body 29 is inclined so that the left and right end portions go upward as it goes to the left and right outer sides. And, instead of the support frames 26, 26, support frames 31, 31 in which the shape of the upper part extending in the left-right direction is inclined in accordance with the shape of the loop body 29 are used.

  According to this embodiment, since both ends in the extending direction of the loop body 29 are higher than portions other than the both ends, when the spray hose 4 is pulled out in the axial direction of the hose reel 5, Since the position where the spray hose 4 comes into contact with the loop body 29 is increased and the spray hose 4 is easily routed, the spray hose 4 can be drawn and wound more smoothly.

  In the first and second embodiments, the configuration in which each element including the tank 1 is mounted on the cart 6 is shown, but the spray working machine according to the present invention is not limited to such a configuration. For example, the structure which utilizes an external water tank etc. without mounting the tank 1 may be sufficient, and the structure which an operator lifts and conveys without mounting on the trolley | bogie 6 may be sufficient.

  DESCRIPTION OF SYMBOLS 1 ... Tank, 2 ... Pump, 3 ... Power source, 4 ... Spraying hose, 5 ... Hose reel, 6 ... Bogie, 24 ... Loop body, 25 ... Supporting body, 100 ... Spraying machine.

Claims (3)

A pump (2) for sucking and discharging liquid, a power source (3) for driving the pump (2), a spray hose (4) for sending and spraying the liquid discharged from the pump (2), and the spray In a spray working machine (100) having a hose reel (5) for winding a hose (4),
It is arranged horizontally above the hose reel (5), and the spray hose (4) includes an annular loop body (24) that can be inserted vertically.
The loop body (24) has a horizontally long shape, and is arranged so that the extending direction of the horizontally long shape faces the axial direction of the hose reel (5), and is equivalent to the hose reel (5) in the axial direction. A spray working machine (100) characterized by having a width. A support body (25) for supporting the loop body (24) from below;
The loop body (24) and the support body (25) are each composed of a frame having a circular arc section.
The spraying operation according to claim 1, wherein the frame of the support body (25) is arranged so as to be shifted from the frame of the loop body (24) inside the ring shape formed by the loop body (24). Machine (100).   The spray working machine (100) according to claim 1 or 2, wherein both end portions of the loop body (24) in the extending direction are higher than portions other than the both end portions.

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