WO2014157043A1 - 流体圧シリンダの配管固定具 - Google Patents
流体圧シリンダの配管固定具 Download PDFInfo
- Publication number
- WO2014157043A1 WO2014157043A1 PCT/JP2014/057995 JP2014057995W WO2014157043A1 WO 2014157043 A1 WO2014157043 A1 WO 2014157043A1 JP 2014057995 W JP2014057995 W JP 2014057995W WO 2014157043 A1 WO2014157043 A1 WO 2014157043A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piece
- fluid pressure
- band
- cylinder tube
- pressure cylinder
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
- F16L3/04—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing and pressing it against a wall or other support
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2275—Hoses and supports therefor and protection therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
- F16L3/237—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for two pipes
Definitions
- the present invention relates to a piping fixture for a fluid pressure cylinder.
- the fluid pressure cylinder used in construction machines and the like is expanded and contracted by supplying and discharging the working fluid into the cylinder tube.
- the piping for supplying and discharging the working fluid to and from the cylinder tube is arranged along the axial direction as close to the cylinder as possible. Thereby, the whole fluid pressure cylinder can be made compact and mounting property can be improved.
- JP2008-57606A includes two semicircular bands that clamp a cylinder tube from the outer periphery side, a bracket that is welded to one band and has a bolt hole at a position spaced from the band, and bolted to the bolt hole of the bracket.
- a pipe fixture comprising a pipe holder is described. The piping of the working fluid is bolted to the bracket by the pipe holder, so that the piping is fixed at a position close to the cylinder tube.
- An object of the present invention is to provide a fluid pressure cylinder piping fixture capable of preventing an excessive stress from being generated in a welded portion.
- the fluid pressure cylinder piping fixture that fixes the piping for supplying and discharging the working fluid to and from the cylinder tube is formed in two halves curved along the outer peripheral surface of the cylinder tube.
- a band that holds the cylinder tube by fixing both ends of the two band parts, and a bracket that is welded and fixed at both ends in the circumferential direction to the outer peripheral surface of the band part.
- the bracket has a mounting portion to which piping along the axial direction of the cylinder tube is mounted on the surface opposite to the band portion, and the first piece on one side in the circumferential direction and the second piece on the other side in the circumferential direction with the mounting portion as a boundary. It is separated into two pieces.
- FIG. 1A is a perspective view showing a piping fixture of a fluid pressure cylinder according to the first embodiment of the present invention.
- FIG. 1B is a diagram of a state in which piping is attached to the piping fixture of FIG. 1A as viewed from the axial direction of the cylinder tube.
- FIG. 2A is a perspective view showing a piping fixture of a fluid pressure cylinder according to a second embodiment of the present invention.
- FIG. 2B is a view of a state in which piping is attached to the piping fixture of FIG. 2A as viewed from the axial direction of the cylinder tube.
- FIG. 3A is a perspective view showing a piping fixture of a fluid pressure cylinder according to a third embodiment of the present invention.
- FIG. 3B is a view of a state in which piping is attached to the piping fixture of FIG. 3A as viewed from the axial direction of the cylinder tube.
- the first embodiment will be described.
- FIG. 1A is a perspective view showing a pipe fixture 100 of the fluid pressure cylinder 1 in the first embodiment.
- FIG. 1B is a view of the state in which the pipe 3 is attached to the pipe fixture 100 of FIG. 1A as viewed from the axial direction of the cylinder tube 2.
- the fluid pressure cylinder 1 is, for example, a hydraulic cylinder that drives an arm, a boom, or the like of a work machine, and expands and contracts according to supply / discharge of the working fluid pressure supplied from a fluid pressure source.
- a water-soluble alternative liquid or the like may be used instead of oil.
- the fluid pressure cylinder 1 includes a cylinder tube 2, a piston (not shown) that slides in the cylinder tube 2, and a piston rod (not shown) that is connected to the piston and extends from one end of the cylinder tube 2. .
- the piston slides according to the pressure difference between the pressure chambers.
- the piston rod and the cylinder tube 2 are relatively moved in the axial direction to drive the drive member of the work machine.
- the fluid pressure cylinder 1 further includes a pipe 3 for supplying and discharging the working fluid to and from the pressure chamber.
- the pipe 3 is disposed along the axial direction of the cylinder tube 2 in order to improve the mountability to the work machine.
- the piping fixture 100 includes a band 4 composed of two halved first band portions 10 and second band portions 20 arranged so as to sandwich the cylinder tube 2.
- the first band portion 10 and the second band portion 20 have a substantially semicircular shape that is curved along the outer periphery of the cylinder tube 2.
- Extending portions 11 and 21 extending toward the radially outer side of the cylinder tube 2 are provided at both ends of each of the band portions 10 and 20.
- the first band portion 10 and the second band portion 20 are mounted so as to sandwich the cylinder tube 2 from both sides in the radial direction, and the extending portions 11 and 21 are arranged to face each other.
- Bolt holes 13 and 23 are respectively provided in the extended portions 11 and 21, and the bolts 22 are inserted into the bolt holes 13 and 23 so that the first band portion 10 and the second band portion 20 are bolted. Is done.
- the dimensions of the first band part 10 and the second band part 20 are set in advance so that the first band part 10 and the second band part 20 are in close contact with the outer periphery of the cylinder tube 2 when bolted.
- the pipe fixture 100 further includes a bracket 30 that is welded and fixed at both ends in the circumferential direction to the outer peripheral surface 10 a of the first band part 10.
- the bracket 30 has a surface 30 a on the first band portion 10 side and a surface 30 b on the opposite side to the first band portion 10.
- the surface 30a on the first band portion 10 side is formed in a curved shape along the outer peripheral surface 10a of the first band portion 10, contacts the outer peripheral surface 10a of the first band portion 10 and welds 31 at both ends in the circumferential direction.
- the surface 30 b opposite to the first band portion 10 is formed in a planar shape perpendicular to the radial direction of the cylinder tube 2.
- the bracket 30 further has an attachment portion 33 to which the pipe 3 is attached to the surface 30b opposite to the first band portion 10.
- the attachment portion 33 is formed to be recessed so that the cross section thereof becomes an arc shape along the outer periphery of the pipe 3 along the axial direction of the cylinder tube 2.
- the arc-shaped depression is formed from one end to the other end of the bracket 30 in the axial direction of the cylinder tube 2.
- the band portions 10 and 20 are deformed by being pulled in a direction in which the extending portions 11 at both ends are separated so as to follow the outer peripheral surface of the cylinder tube 2. . Furthermore, when the extending portions 11 and 21 of the first band portion 10 and the second band portion 20 are bolted together, the first band portion 10 is tightened to the inner diameter side and deformed. Thereby, the distance between the welding parts 31 and 32 of the circumferential direction both ends of the bracket 30 may change, and an excessive stress may generate
- the bracket 30 is separated into two with the mounting portion 33 as a boundary.
- the bracket 30 is divided into a first piece 34 on one side in the circumferential direction and a second piece 35 on the other side in the circumferential direction, with the mounting portion 33 as a boundary.
- the gap 36 between the first piece 34 and the second piece 35 is set smaller than the outer diameter of the pipe 3. Therefore, when the pipe 3 is attached to the attachment portion 33, the pipe 3 does not fall into the gap 36 between the first piece 34 and the second piece 35.
- the piping fixture 100 further includes a pipe holder 40 that holds the piping 3 between the mounting portion 33 of the bracket 30.
- the pipe holder 40 is provided in the main body 41, a holding part 42 that extends from the main body 41 and covers the part of the outer peripheral surface of the pipe 3 to hold the pipe 3, and the main body 41. And a bolt hole 43.
- the bracket 30 has an attachment portion 33 to which the pipe 3 along the axial direction of the cylinder tube 2 is attached to the surface 30b opposite to the first band portion 10. Since the first piece 34 and the second piece 35 on the other side in the circumferential direction are separated, when the distance between the welded portions 31 and 32 at both ends in the circumferential direction of the bracket 30 varies due to the deformation of the first band portion 10, The first piece 34 and the second piece 35 move relative to each other in the circumferential direction. Therefore, it is possible to prevent excessive stress from being generated in the welded portions 31 and 32.
- the bracket 30 has a surface 30 a on the first band portion 10 side formed in a curved shape along the outer peripheral surface 10 a of the first band portion 10, and a surface 30 b on the mounting portion 33 side perpendicular to the radial direction of the cylinder tube 2. Since it is formed in a flat shape, it is possible to prevent a gap from being generated between the bracket 30 and the first band portion 10, and the bracket 30 that holds the pipe 3 by the vibration of the work machine on which the fluid pressure cylinder 1 is mounted is provided. It is possible to prevent vibration in the radial direction of the cylinder tube 2. Therefore, the pipe 3 can be fixed to the cylinder tube 2 more reliably.
- the piping 3 is fixed to the attachment portion 33 while being held by the pipe holder 40 and is sandwiched between the pipe holder 40 and the attachment portion 33, the piping 3 is prevented from falling off with a simple structure. Can do.
- FIG. 2A is a perspective view showing a pipe fixture 200 of the fluid pressure cylinder 1 in the second embodiment.
- FIG. 2B is a view of the state in which the pipe 3 is attached to the pipe fixture 200 of FIG. 2A as seen from the axial direction of the cylinder tube 2.
- bracket 130 only the structure of the bracket 130 is different from that of the first embodiment, and thus the description of other configurations is omitted.
- the bracket 130 of the present embodiment is formed in a flat plate shape, and the flat bracket 130 is separated into the first piece 134 and the second piece 135 with the mounting portion 133 as a boundary.
- the end of the bracket 130 on the first piece 134 side is welded and fixed to the outer peripheral surface 10 a of the first band portion 10 via the stay 138.
- the end of the bracket 130 on the second piece 135 side is directly fixed to the outer peripheral surface 10 a of the first band portion 10 by welding.
- the flat bracket 130 has a welded portion 132 at the end on the second piece 135 side.
- the bracket 130 extends from the welded portion 132 in the tangential direction of the first band portion 10, and the end on the first piece 134 side floats from the outer peripheral surface 10 a of the first band portion 10 in the radial direction of the cylinder tube 2.
- a stay 138 fixed to the outer peripheral surface 10 a of the first band portion 10 via the welded portion 131 is connected to the end portion on the first piece 134 side.
- the bracket 130 has a flat plate shape, and the end portion on the first piece 134 side is welded and fixed to the outer peripheral surface 10a of the first band portion 10 via the stay 138. Therefore, the surface 130a of the bracket 130 on the first band portion 10 side. It is not necessary to form a curved surface along the first band portion 10. Therefore, the manufacturing cost of the bracket 130 can be suppressed.
- the third embodiment will be described.
- FIG. 3A is a perspective view showing a pipe fixture 300 of the fluid pressure cylinder 1 in the third embodiment.
- FIG. 3B is a view of the state in which the pipe 3 is attached to the pipe fixture 300 of FIG. 3A as seen from the axial direction of the cylinder tube 2.
- the bracket 230 of the present embodiment has a surface 230a on the first band portion 10 side formed in a curved shape along the outer peripheral surface 10a of the first band portion 10, and the first band portion 10
- the opposite surface 230b is formed in a planar shape perpendicular to the radial direction of the cylinder tube 2.
- the surface 230a on the first band part 10 side has welded parts 231 and 232 at both ends in the circumferential direction.
- the bracket 230 is separated into a first piece 234 and a second piece 235 with the attachment portion 233 as a boundary.
- the first piece 234 has a first projecting portion 234a formed to project toward the second piece 235 at the end on the attachment portion 233 side.
- the second piece 235 has a second projecting portion 235a formed to project toward the first piece 234 at the end on the attachment portion 233 side.
- the first projecting portion 234a and the second projecting portion 235a are arranged so as to be shifted from each other in the radial direction of the cylinder tube 2, and the radially outer surface of the first projecting portion 234a and the radially inner side of the second projecting portion 235a. Arranged to face each other.
- the gap 236 between the first piece 234 and the second piece 235 is bent in an L shape from the surface 230b on the attachment portion 233 side to the surface 230a on the first band portion 10 side, as shown in FIG. 3B. It becomes a shape.
- the first protrusion 234a and the second protrusion 235a are formed so as to oppose each other in the radial direction of the cylinder tube 2, the first protrusion 234 and the second piece 235 are moved relative to each other in the radial direction. It can suppress by the part 234a and the 2nd protrusion part 235a contacting. Accordingly, since the relative movement in the radial direction can be prevented while allowing the relative movement in the circumferential direction between the first piece 234 and the second piece 235, while preventing excessive stress from being generated in the welded portions 231, 232, It is possible to prevent the pipe 3 and the pipe holder 40 holding the pipe 3 from vibrating due to the vibration of the working machine on which the fluid pressure cylinder 1 is mounted.
- the bracket 30 is provided only in the first band portion 10, but in addition to this, the first band is provided by providing a bracket and a pipe holder in the second band portion 20 to hold the piping. A total of two pipes can be held by the portion 10 and the second band portion 20.
- the surface 30b by the side of the attachment part 33 of the bracket 30 was formed in the planar shape perpendicular
- first to third embodiments may be appropriately combined.
- the third embodiment the example in which the gap 236 between the first piece 234 and the second piece 235 is bent into an L shape using the bracket 230 similar to the first embodiment is described.
- a gap between the first piece and the second piece may be bent into an L shape using a flat plate-like bracket similar to the embodiment.
- the first piece 34 of the first embodiment and the second piece 135 of the second embodiment may be combined to form a bracket, or the second piece 35 of the first embodiment and the second piece 35 of the second embodiment. You may comprise a bracket combining 1 piece 134.
- the brackets 30, 130, and 230 are welded and fixed to the outer peripheral surface 10a of the first band portion 10 by the weld portions 31, 131, 231, 32, 132, and 232 at both ends in the circumferential direction.
- at least one of the both ends of the brackets 30, 130, 230 in the axial direction of the cylinder tube 2 may be fixed by welding.
Abstract
Description
Claims (5)
- シリンダチューブ内に作動流体を給排する配管を前記シリンダチューブに固定する流体圧シリンダの配管固定具であって、
前記シリンダチューブの外周面に沿って湾曲した2つの半割状のバンド部を有し、2つの前記バンド部の両端同士を固定することで前記シリンダチューブを挟持するバンドと、
前記バンド部の外周面に周方向両端が溶接固定されるブラケットと、
を備え、
前記ブラケットは、前記バンド部とは反対側の面に前記シリンダチューブの軸方向に沿った前記配管が取り付けられる取付部を有し、前記取付部を境に周方向一方側の第1ピースと周方向他方側の第2ピースとに分離されている、
流体圧シリンダの配管固定具。 - 請求項1に記載の流体圧シリンダの配管固定具であって、
前記ブラケットは、前記バンド部側の面が前記バンド部の外周面に沿った曲面状に形成され、前記取付部側の面が前記シリンダチューブの径方向に垂直な平面状に形成される、
流体圧シリンダの配管固定具。 - 請求項1に記載の流体圧シリンダの配管固定具であって、
前記ブラケットは平板状であり、前記第1ピースの周方向一方側端部はステーを介して前記バンド部の外周面に溶接固定される、
流体圧シリンダの配管固定具。 - 請求項1から請求項3までのいずれか一項に記載の流体圧シリンダの配管固定具であって、
前記第1ピースは、前記取付部において前記第2ピースへ向けて突出して形成される第1突出部を有し、
前記第2ピースは、前記取付部において前記第1ピースへ向けて突出して形成される第2突出部を有し、
前記第1突出部と前記第2突出部とは、前記シリンダチューブの径方向に対峙している、
流体圧シリンダの配管固定具。 - 請求項1から請求項3までのいずれか一項に記載の流体圧シリンダの配管固定具であって、
前記第1ピースに固定され、前記配管を前記取付部との間で挟持するパイプホルダをさらに備える、
流体圧シリンダの配管固定具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480017685.9A CN105051380B (zh) | 2013-03-28 | 2014-03-24 | 流体压缸的配管固定用具 |
KR1020157024347A KR20150136594A (ko) | 2013-03-28 | 2014-03-24 | 유체압 실린더의 배관 고정구 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013-070044 | 2013-03-28 | ||
JP2013070044A JP5993773B2 (ja) | 2013-03-28 | 2013-03-28 | 流体圧シリンダの配管固定具 |
Publications (1)
Publication Number | Publication Date |
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WO2014157043A1 true WO2014157043A1 (ja) | 2014-10-02 |
Family
ID=51624018
Family Applications (1)
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PCT/JP2014/057995 WO2014157043A1 (ja) | 2013-03-28 | 2014-03-24 | 流体圧シリンダの配管固定具 |
Country Status (4)
Country | Link |
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JP (1) | JP5993773B2 (ja) |
KR (1) | KR20150136594A (ja) |
CN (1) | CN105051380B (ja) |
WO (1) | WO2014157043A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63318383A (ja) * | 1987-06-20 | 1988-12-27 | プログレッシブ・ファステニング・インコーポレーテッド | 管吊り装置 |
JP2008057606A (ja) * | 2006-08-30 | 2008-03-13 | Kayaba Ind Co Ltd | 流体圧シリンダ及び配管固定構造 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5221028Y2 (ja) * | 1972-10-05 | 1977-05-14 | ||
JP2002152957A (ja) * | 2000-11-14 | 2002-05-24 | Nasu Denki Tekko Co Ltd | 電柱用バンド |
CN102084137B (zh) * | 2009-04-23 | 2013-10-16 | 萱场工业株式会社 | 缸体的配管固定构造 |
-
2013
- 2013-03-28 JP JP2013070044A patent/JP5993773B2/ja active Active
-
2014
- 2014-03-24 KR KR1020157024347A patent/KR20150136594A/ko not_active Application Discontinuation
- 2014-03-24 WO PCT/JP2014/057995 patent/WO2014157043A1/ja active Application Filing
- 2014-03-24 CN CN201480017685.9A patent/CN105051380B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63318383A (ja) * | 1987-06-20 | 1988-12-27 | プログレッシブ・ファステニング・インコーポレーテッド | 管吊り装置 |
JP2008057606A (ja) * | 2006-08-30 | 2008-03-13 | Kayaba Ind Co Ltd | 流体圧シリンダ及び配管固定構造 |
Also Published As
Publication number | Publication date |
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JP5993773B2 (ja) | 2016-09-14 |
JP2014194227A (ja) | 2014-10-09 |
CN105051380B (zh) | 2017-05-03 |
KR20150136594A (ko) | 2015-12-07 |
CN105051380A (zh) | 2015-11-11 |
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