JP5751732B1 - Hose unit - Google Patents

Abstract

A hose unit capable of easily identifying and repairing a damaged portion of a pressure feeding hose is obtained. A pressure-feeding hose 11 for feeding a fluid is provided, and a coating hose 12 provided on the outer periphery of the pressure-feeding hose 11 to cover the pressure-feeding hose 11. The coating hose 12 is joined to each other. The plurality of hose members 12a. The hose member 12a is attached along two opposing sides of the sheet-like part 12a-1 having transparency and exhibiting a square shape when unfolded, and the sheet-like part 12a-1 and engaging with each other to form a sheet. Fastener 13 which forms cylindrical part 12a-1 and the fastener which is attached along the other two sides of sheet-like part 12a-1 and engages with the other hose member 12a to join the hose members 12a together It has the pieces 13a and 13b. [Selection] Figure 1

Description

  The present invention relates to a hose unit, and more particularly to a hose unit used when a fluid such as oil liquid or cement bentonite is pumped at a construction site.

  For example, at construction sites, high pressure hoses are used to pump fluids such as cement bentonite and earth and sand by heavy machinery, and hydraulic hoses are used to pump fluids that are fluids for driving hydraulic motors of heavy machinery. ing.

  And, in order to prevent the fluid to be pumped, such as the high pressure hose and the hydraulic hose, from being damaged, the covering hose is provided on the outer periphery of the pressure hose and the pressure hose is A hose unit is formed by covering.

  Here, as the hose for covering, an opaque flat hose made of PVC (polyvinyl chloride) is cut to a required length.

  As a document describing a hose used at a construction site, for example, Japanese Patent Application Laid-Open No. 2008-249016 is known.

JP 2008-249016 A

  Now, since the pressure feeding hose described above is covered with an opaque coating hose, even if the pressure feeding hose is damaged such as cracking or rupture, it is not possible to recognize the fact of the damage through the coating hose. It was possible.

  For this reason, breakage of the pressure feeding hose is usually found when assembling or disassembling heavy machinery or during annual inspection, or when the fluid leaked from the breakage flows out of the coating hose. Met.

  Even if the pressure hose is confirmed to be damaged, the pressure hose is covered with an opaque coating hose, so the damaged part cannot be identified as it is, so the coating hose must be removed from the pressure hose. Therefore, a lot of work time is required.

  In addition, when repairing by identifying the damaged part of the pressure feeding hose, remove the covering hose once and perform the work.When the work is finished, the pressure hose must be covered again with the removed covering hose. A lot of work time is also required for repair.

  The present invention has been made from the above technical background, and an object of the present invention is to provide a hose unit that can easily identify a damaged portion of a pressure feeding hose.

  Another object of the present invention is to provide a hose unit that can be easily repaired by a pressure feeding hose.

In order to solve the above-mentioned problem, the hose unit of the present invention according to claim 1 is a hose for pressure feeding a fluid and a coating hose provided on an outer periphery of the pressure hose to cover the pressure hose. The covering hose is composed of a plurality of hose members joined to each other, and the hose member is composed of two sheets of polyvinyl chloride sandwiching a mesh member made of polyester. A sheet-like part that is welded to each other, has transparency and exhibits a quadrangular shape when deployed, and is attached along two opposing sides of the sheet-like part, and is engaged with each other to A first engagement piece and a second engagement piece that form a sheet-like portion in a cylindrical shape, and an engagement piece of the other hose member that is attached along the other two sides of the sheet-like portion. Join the hose members together The first engagement piece having a first engagement piece and a second engagement piece, and forming the sheet-like part in a cylindrical shape, is attached to an end of one side of the sheet-like part, The second engaging piece that forms the sheet-like portion in a cylindrical shape is located on the inner side of the end of the other side facing the one side to which the first engaging piece of the sheet-like portion is attached. the attached Rukoto, first is the site of the installation portion of the second engagement pieces to form the sheet-like portion of the sheet portion in a cylindrical shape up to the end of the other one side The part and the second part that is a part other than the first part in the sheet-like portion are integrated, and the mesh member is continuous with the first part and the second part. And when the first engaging piece and the second engaging piece are engaged and the sheet-like portion becomes cylindrical, the sheet Overlapped portion in section is formed, characterized in that.

  The invention according to claim 2 is the invention according to claim 1, wherein the first engagement piece is a female fastener piece having a slider, and the second engagement piece is a male fastener having no slider. It is a piece.

  According to the present invention, since the covering hose has transparency, it becomes possible to easily identify the damaged portion of the pressure feeding hose through the covering hose.

  Further, according to the present invention, the hose member constituting the covering hose can be freely removed, so that the entire covering hose is removed from the pressure feeding hose and repair work is performed. It is no longer necessary to cover the pressure-feeding hose again with the covering hose, and the pressure-feeding hose can be repaired easily in a short time.

It is the schematic which shows the hose unit which concerns on one embodiment of this invention. It is the schematic which shows the hose for coating | cover which comprises the hose unit of FIG. It is a conceptual diagram which shows an example of the usage condition of the hose unit of FIG. It is a conceptual diagram which shows another example of the usage condition of the hose unit of FIG.

  Hereinafter, an embodiment as an example of the present invention will be described in detail with reference to the drawings. Note that components having the same function are denoted by the same reference symbols throughout the drawings for describing the embodiment, and the repetitive description thereof will be omitted.

  FIG. 1 is a schematic view showing a hose unit according to an embodiment of the present invention, and FIG. 2 is a schematic view showing a covering hose constituting the hose unit of FIG.

  As shown in FIG. 1, a hose unit 10 according to the present embodiment includes a pumping hose 11 to which a fluid is pumped, and a coating hose 12 that is provided on the outer periphery of the pumping hose 11 and covers the pumping hose 11. And.

  Here, the pressure hose 11 is, for example, a hydraulic hose that pressure-feeds fluid that is a fluid to a machine that is hydraulically operated, such as a hydraulic motor provided in a construction machine, or a cement bentonite that is a fluid at a construction site, for example. It is a high-pressure hose that pumps earth and sand and is connected via a joint 14 in the case of illustration.

  Then, the covering hose 12 covers the pressure feeding hose 11 to prevent the pressure feeding hose 11 from being damaged and the fluid being pumped from being scattered around. As shown in the figure, the covering hose 12 is not in close contact with the pressure feeding hose 11 and is covered so as to form a gap.

  The covering hose 12 is composed of a plurality of hose members 12a connected to each other via fasteners 13 as engaging means.

  As shown in FIG. 2, the hose member 12 a is configured by a sheet-like portion 12 a-1 having transparency and exhibiting a quadrangular shape when deployed. In addition, in this application, having transparency means that it is transparent and translucent, and means that the other side can be visually recognized through the sheet-like part 12a-1.

  Here, the sheet-like portion 12a-1 of the present embodiment has a structure in which two sheet materials made of polyvinyl chloride are welded to each other with a mesh member made of polyester interposed therebetween. The dimensions of the sheet-like portion 12a-1 are a length of 5,000 mm and a width of 410 mm. However, the structure and dimensions of the sheet-like portion 12a-1 shown here are merely examples, and the sheet-like portion of the present invention is not limited to those shown in the present embodiment.

  A female fastener piece (first engagement piece) 13a having a slider 13a-1 and a male fastener piece (second engagement piece) having no slider 13a-1 along two opposing sides of the sheet-like portion 12a-1. ) 13b are attached to each other, and the sheet-like portion 12a-1 is formed into a cylindrical shape by bending the sheet-like portion 12a-1 and engaging the female fastener piece 13a and the male fastener piece 13b with each other.

  In the case shown in the figure, the female fastener piece 13a is attached to an end portion of one side, and the male fastener piece 13b is attached to the inner side slightly from the end portion of one side. Therefore, when the female fastener piece 13a and the male fastener piece 13b are engaged with each other, the inner portion thereof becomes a portion where the sheet-like portions 12a-1 overlap.

  A female fastener piece (first engagement piece) 13a and a male fastener piece (second engagement piece) 13b are respectively attached along the other two sides of the sheet-like portion 12a-1. Therefore, when the female fastener piece 13a is engaged with the male fastener piece 13b that is an engagement piece of the counterpart hose member 12a, the two hose members 12a are joined to each other. Further, when the male fastener piece 13b engages with the female fastener piece 13a that is the engagement piece of the counterpart hose member 12a, the two hose members 12a are similarly joined. Then, the hose members 12a are joined to each other in this manner, whereby the covering hose 12 corresponding to the length of the pressure feeding hose 11 is formed.

  Next, an example of a usage mode of the hose unit 10 constituted by the pressure feeding hose 11 and the covering hose 12 having such a configuration will be described with reference to FIGS. 3 and 4. Here, FIG. 3 is a conceptual diagram showing an example of usage of the hose unit of FIG. 1, and FIG. 4 is a conceptual diagram showing another example of usage of the hose unit of FIG.

  In FIG. 3, the hose unit 10 has shown the aspect currently used in order to supply an oil liquid from the hydraulic unit 20 to the pillar (hydraulic pile press-in drawing machine) 21.

  Here, the pile 21 is a pile of piles that have already been pushed into the ground during the punching of the pile in construction work or civil engineering work, and the next pile is hydrostatically loaded using the pulling resistance as a reaction force. The hydraulic fluid is supplied from a hydraulic unit 20 to a hydraulic unit (not shown) provided in the pillar 21 via a pressure hose 11 as a hydraulic hose constituting the hose unit 10. Is done.

  Next, in FIG. 4, the hose unit 10 is connected to a hydraulic motor (not shown) provided in a speed reducer 23c that moves up and down along a leader 23b attached to the crane 23a of the excavator 23. The aspect currently used in order to supply an oil liquid from 23 oil-liquid tanks 23c is shown. Furthermore, the hose unit 10 has shown the aspect currently used in order to supply the cement bentonite liquid stored in the plant 22 to the front-end | tip of the auger (excavation rod) 23e extended in the vertical direction from the reduction gear 23c. Therefore, in the illustrated case, two hose units 10 are used. In addition, these two hose units 10 are hooked on the hose hook part P on the way, and are prevented from drooping.

  Now, when the pressure hose 11 is damaged in the usage mode shown in FIGS. 3 and 4, the coating hose 12 covering the pressure feeding hose 11 has transparency. It is possible to easily identify the damaged portion of the pressure-feeding hose 11 by visual inspection through the covering hose 12 without performing the operation of detaching from the coating hose 11.

  Further, when the work for repairing the specified damaged portion of the pressure feeding hose 11 is performed, the slider 13a-1 of the female fastener piece 13a that joins the hose members 12a constituting the covering hose 12 is slid. The hose members 12a are disconnected from each other, and the hose member 12a corresponding to the damaged portion is separated from the other hose members 12a. Further, with respect to the separated hose member 12a, the slider 13a-1 of the female fastener piece 13a on which the sheet-like portion 12a-1 is formed in a cylindrical shape is slid, and the hose member 12a is expanded and removed.

  In this way, when the pressure hose 11 is repaired and the work is completed, the series of work is completed by attaching the hose member 12a removed by the reverse procedure to that described above.

  Accordingly, the entire hose 12 for covering is removed from the pressure hose 11 and repaired. After the work is completed, it is not necessary to cover the pressure hose 11 again with the removed covering hose 12. Repair work can be easily performed in a short time.

  In addition, if the hose member 12a is developed by sliding the slider 13a-1 of the female fastener piece 13a in which the sheet-like part 12a-1 is formed in a cylindrical shape, the inside of the covering hose 12b can be easily cleaned. Is also possible.

  Although the invention made by the present inventor has been specifically described based on the embodiment, the embodiment disclosed in this specification is an example in all respects and is limited to the disclosed technology. Should not be considered. That is, the technical scope of the present invention should not be construed restrictively based on the description in the above-described embodiment, but should be construed according to the description of the scope of claims. All modifications are included without departing from the technical scope equivalent to the described technique and the gist of the claims.

  For example, in this embodiment, a fastener 13 composed of a female fastener piece 13a as a first engagement piece and a male fastener piece 13b as a second engagement piece is used as the engagement means. The coupling means and the engagement pieces (first engagement piece, second engagement piece) are not limited to these, and for example, two engagement pieces (first engagement piece, second engagement piece) such as a hook. The engaging pieces) can be engaged with each other, and various engaging means that can join the hose members 12a can be applied.

  In the above description, the case where the hose unit of the present invention is used for supplying oil liquid or cement bentonite liquid in a construction machine is shown, but the present invention is not limited thereto, and a chemical solution is supplied in a chemical plant. It can be applied to supply of various fluids.

DESCRIPTION OF SYMBOLS 10 Hose unit 11 Pressure hose 12 Covering hose 12a Hose member 12a-1 Sheet-like part 12b Covering hose 13 Fastener (engaging means)
13a Female fastener piece (first engaging piece)
13a-1 slider 13b male fastener piece (second engagement piece)
14 Joint 20 Hydraulic unit 21 Pillar 22 Plant 23 Excavator P Hose hook

Claims (2)

A pumping hose through which the fluid is pumped,
A coating hose provided on the outer periphery of the pressure feeding hose and covering the pressure feeding hose;
The covering hose is composed of a plurality of hose members joined to each other,
The hose member is
Two sheet materials made of polyvinyl chloride are welded to each other with a mesh member made of polyester interposed therebetween, and have a sheet-like portion that has transparency and exhibits a quadrangle shape when deployed,
A first engagement piece and a second engagement piece, which are respectively attached along two opposing sides of the sheet-like part and engage with each other to form the sheet-like part in a cylindrical shape;
A first engagement piece and a second engagement piece that are attached along the other two sides of the sheet-like portion and engage with the engagement pieces of the other hose member to join the hose members together. Have
The first engaging piece that forms the sheet-like portion in a cylindrical shape is attached to an end of one side of the sheet-like portion, and the second engaging piece that forms the sheet-like portion in a cylindrical shape is the Rukoto mounted inside of the end portion of the other one side facing one side and said first engagement piece of the sheet-like portion is attached, the tubular the sheet portion of the sheet portion The first part which is a part from the attachment part of the second engagement piece to be formed to the end of the other one side and the part other than the first part in the sheet-like part. And the second member are continuous with each other, the first engagement piece and the second engagement piece, When the sheet-like part becomes a cylindrical shape by engaging, a portion overlapping the sheet-like part is formed.
A hose unit characterized by that. The first engagement piece is a female fastener piece having a slider,
The second engagement piece is a male fastener piece having no slider.
The hose unit according to claim 1.

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