JPH0564233U - Hydraulic piping - Google Patents
Hydraulic pipingInfo
- Publication number
- JPH0564233U JPH0564233U JP947092U JP947092U JPH0564233U JP H0564233 U JPH0564233 U JP H0564233U JP 947092 U JP947092 U JP 947092U JP 947092 U JP947092 U JP 947092U JP H0564233 U JPH0564233 U JP H0564233U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- boom
- arm
- hoses
- screw hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Shovels (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
(57)【要約】
【目的】 油圧ホース接続ねじ部分の緩みを防止する。
【構成】 両端部の径方向側面に油圧ホース５，６，１
０，１１延設方向へ通る油圧ホース接続用のねじ孔１
３，１４を有するボス継手１６，１７を設け、該ボス継
手１６，１７をブーム幅方向に所定の間隔を置いて相対
しているブーム先端部材１ａのアーム取付用のピンの近
傍に、前記アーム取付用のピンに平行する方向へ貫通し
てそれぞれ固設し、該各ボス継手１６，１７の両端部に
油圧ホース５，６，１０，１１を接続し、ブーム幅方向
中心側のねじ孔１３に接続した油圧ホース５，６の他端
を油圧シリンダ４の圧油ポートへ接続し、ブーム幅方向
外側のねじ孔１４に接続した油圧ホース１０，１１の他
端を圧油供給源に接続している。
(57) [Summary] [Purpose] To prevent loosening of the hydraulic hose connection thread. [Structure] Hydraulic hoses 5, 6, 1 on the radial side surfaces of both ends
0,11 Screw hole for connecting the hydraulic hose passing in the extension direction 1
Boss joints 16 and 17 having three and 14 are provided, and the boss joints 16 and 17 are provided in the vicinity of the arm attachment pins of the boom tip member 1a facing each other at a predetermined interval in the boom width direction. It is fixed by penetrating in a direction parallel to the mounting pins, and hydraulic hoses 5, 6, 10 and 11 are connected to both ends of the boss joints 16 and 17, respectively. The other ends of the hydraulic hoses 5 and 6 connected to the hydraulic cylinder 4 are connected to the pressure oil port of the hydraulic cylinder 4, and the other ends of the hydraulic hoses 10 and 11 connected to the screw holes 14 outside the boom width direction are connected to the pressure oil supply source. ing.
Description
【０００１】[0001]
本考案は、油圧ショベルのアタッチメント用の油圧配管に関するものである。 The present invention relates to a hydraulic pipe for an attachment of a hydraulic excavator.
【０００２】[0002]
図２は従来の油圧配管の一例の概略を表す側面図、図３は図２のＩＩＩ−ＩＩ Ｉ矢視図であり、１はブーム、２は前記ブーム１の先端部にアーム取付用のピン ３を介して起伏自在に設けられ且つ先端部に図示していないバケットなどのアタ ッチメントを取り付け得るよう形成されたアームを示している。 2 is a side view showing an outline of an example of a conventional hydraulic pipe, FIG. 3 is a view taken along the line III-II I of FIG. 2, 1 is a boom, 2 is a pin for attaching an arm to the tip of the boom 1. 3 shows an arm which is provided so as to be capable of being undulated via the arm 3 and has a tip portion to which an attachment such as a bucket (not shown) can be attached.
【０００３】 前記アタッチメントを駆動するためにアーム２の上面基部のブラケット２ａと 前記アタッチメントとの間にアーム２延設方向に伸縮する油圧シリンダ４を設け 、該油圧シリンダ４を伸縮作動させる圧油を供給するために該油圧シリンダ４の 圧油ポートに油圧ホース５，６を接続している。A hydraulic cylinder 4 that expands and contracts in the direction in which the arm 2 extends is provided between the bracket 2a at the base of the upper surface of the arm 2 and the attachment to drive the attachment. Hydraulic hoses 5 and 6 are connected to the pressure oil port of the hydraulic cylinder 4 for supply.
【０００４】 両端部にねじを螺設した中空管により形成した２個のボス継手７，８を、ブー ム１幅方向に所定の間隔を置いて相対しているブーム先端部材１ａのアーム２取 付用のピン３の近傍に、前記アーム２取付用のピン３に平行する方向へ前記各ブ ーム先端部材１ａを貫通してそれぞれ固設し、該各ボス継手７，８の両端部にホ ースアダプタエルボ９を介して前記油圧ホース５，６、および図示していない圧 油供給源へ連通する油圧ホース１０，１１を接続し、ブーム１幅方向中心側に接 続した油圧ホース５，６の他端を前記油圧シリンダ４の圧油ポートへ接続し、ブ ーム１幅方向外側に油圧ホース１０，１１を配設している。The arm 2 of the boom tip member 1 a is opposed to two boss joints 7 and 8 formed by hollow tubes having screws at both ends, at a predetermined interval in the width direction of the boom 1. In the vicinity of the mounting pin 3, the respective boom tip members 1a are fixedly installed in the direction parallel to the mounting pin 3 of the arm 2, and both ends of the respective boss joints 7 and 8 are fixed. Is connected to the hydraulic hoses 5 and 6 via a hose adapter elbow 9 and hydraulic hoses 10 and 11 communicating with a hydraulic oil supply source (not shown), and is connected to the width direction center side of the boom 1. The other ends of 5, 5 are connected to the pressure oil port of the hydraulic cylinder 4, and hydraulic hoses 10, 11 are arranged on the outer side in the width direction of the boom 1.
【０００５】 なお、１２はアーム２を図２に示す矢印ａ方向へ起伏駆動するための油圧シリ ンダである。Reference numeral 12 is a hydraulic cylinder for driving the arm 2 up and down in the direction of arrow a shown in FIG.
【０００６】 而して、油圧ホース５，６および油圧ホース１０，１１の可撓性により、油圧 シリンダ１２により駆動されて起伏するアーム２の起伏作動や図示していないア タッチメントを駆動するために伸縮する油圧シリンダ４の伸縮作動に伴って油圧 配管材に作用する曲げ方向の外力に対応している。By the flexibility of the hydraulic hoses 5 and 6 and the hydraulic hoses 10 and 11, in order to drive the undulating operation of the arm 2 driven by the hydraulic cylinder 12 and the attachment (not shown). It corresponds to the external force in the bending direction that acts on the hydraulic piping material as the hydraulic cylinder 4 expands and contracts.
【０００７】[0007]
しかしながら、前述の油圧配管では、油圧ホース５，６の延設方向に直交する 方向に螺設されているボス継手７，８のねじに螺合しているホースアダプタエル ボ９が、油圧ホース５，６の曲げに対する反発力や振動などによって強制的に回 されねじの締め込みが緩み、圧油が漏れるという問題があった。 However, in the above-mentioned hydraulic piping, the hose adapter elbow 9 that is screwed into the screw of the boss joints 7 and 8 that are screwed in the direction orthogonal to the extending direction of the hydraulic hoses 5 and 6 is There was a problem that the tightening of the screw was loosened due to the repulsive force against the bending of No. 6, 6 and vibration, and the pressure oil leaked.
【０００８】 本考案は、前述の実情に鑑み、油圧ホースを接続するねじの螺設方向を油圧ホ ース延設方向とすることにより、ねじに緩みが生じない油圧配管を提供すること を目的としてなしたものである。In view of the above-mentioned circumstances, the present invention aims to provide a hydraulic pipe in which a screw is not loosened by setting a screw connecting direction of a hydraulic hose to a hydraulic hose extending direction. It was done as.
【０００９】[0009]
本考案は、ブーム先端部にピン枢着したアームの先端部に設けたアタッチメン トを駆動するため、前記アームに設けた油圧シリンダへ圧油を供給する油圧配管 において、両端部に油圧ホース延設方向へ通る油圧ホース接続用のねじ孔を有し 且つ各ねじ孔を連通する油通路を有するボス継手を、前記アームの取付用ピンに 平行する方向へブーム先端部材を貫通して固設し、該ボス継手の両端部に設けた 各ねじ孔に所定の油圧ホースを接続した構成としている。 According to the present invention, in order to drive the attachment provided at the tip of the arm pivotally attached to the boom tip, a hydraulic hose is provided at both ends of the hydraulic pipe for supplying pressure oil to the hydraulic cylinder provided at the arm. A boss joint having a screw hole for connecting a hydraulic hose passing in the direction and having an oil passage communicating with each screw hole is fixed through the boom tip member in a direction parallel to the arm mounting pin, A predetermined hydraulic hose is connected to each screw hole provided at both ends of the boss joint.
【００１０】[0010]
従って、本考案では、油圧ホース延設方向に通るねじ孔に接続した油圧ホース の接続手段が、油圧ホースの曲げに対する反発力や振動に伴うねじ締め込みの緩 みを防止する。 Therefore, in the present invention, the connecting means of the hydraulic hose connected to the screw hole extending in the extending direction of the hydraulic hose prevents loosening of screw tightening due to repulsive force against vibration of the hydraulic hose and vibration.
【００１１】[0011]
以下、本考案の実施例を図面を参照しつつ説明する。 Embodiments of the present invention will be described below with reference to the drawings.
【００１２】 図１は本考案の油圧配管の概略を表すものであり、図３と同じ方向からみた平 面図である。図中、図３と同じものには同じ符号を付してある。FIG. 1 shows an outline of the hydraulic piping of the present invention, and is a plan view seen from the same direction as FIG. In the figure, the same components as those in FIG. 3 are designated by the same reference numerals.
【００１３】 本考案の油圧配管では、両端部の径方向側面に油圧ホース５，６，１０，１１ の延設方向へ通る油圧ホース接続用のねじ孔１３，１４を有し且つ該ねじ孔１３ ，１４間に軸線に沿って連通する油通路１５を有する２個のボス継手１６，１７ を設け、該ボス継手１６，１７を、ブーム１幅方向に所定の間隔を置いて相対し ているブーム先端部材１ａのアーム２取付用のピン３の近傍に、該ピン３に平行 する方向へ前記各ブーム先端部材１ａを貫通してそれぞれ固設し、該各ボス継手 １６，１７の両端部に設けたねじ孔１３，１４に前記油圧ホース５，６、および 図示していない圧油供給源へ連通する油圧ホース１０，１１を接続し、ブーム１ 幅方向中心側のねじ孔１３に接続した油圧ホース５，６の他端を前記油圧シリン ダ４の圧油ポートへ接続している。In the hydraulic piping of the present invention, screw holes 13 and 14 for connecting hydraulic hoses passing in the extending direction of the hydraulic hoses 5, 6, 10 and 11 are provided on the radial side surfaces of both ends, and the screw holes 13 are provided. , 14 are provided with two boss joints 16 and 17 having an oil passage 15 communicating with each other along the axis, and the boss joints 16 and 17 are opposed to each other at a predetermined interval in the width direction of the boom 1. Each boom tip member 1a is fixed in the vicinity of the pin 3 for attaching the arm 2 of the tip member 1a in a direction parallel to the pin 3 and fixed to both ends of each boss joint 16 and 17. The hydraulic hoses 5 and 6 and the hydraulic hoses 10 and 11 communicating with a pressure oil supply source (not shown) are connected to the screw holes 13 and 14, and the hydraulic hose is connected to the screw hole 13 on the width direction center side of the boom 1. Connect the other ends of 5 and 6 to the hydraulic cylinder. 4 is connected to the pressure oil port.
【００１４】 而して、油圧ホース５，６および油圧ホース１０，１１の可撓性により、油圧 シリンダ１２により駆動されて起伏するアーム２の起伏作動や図示していないア タッチメントを駆動するために伸縮する油圧シリンダ４の伸縮作動に伴って油圧 配管材に作用する曲げ方向の外力に対応している。By the flexibility of the hydraulic hoses 5 and 6 and the hydraulic hoses 10 and 11, in order to drive the undulating operation of the arm 2 driven by the hydraulic cylinder 12 and the attachment (not shown). It corresponds to the external force in the bending direction that acts on the hydraulic piping material as the hydraulic cylinder 4 expands and contracts.
【００１５】 上述した油圧配管によれば、ボス継手１６，１７に油圧ホース５，６および油 圧ホース１０，１１の延設方向に通るねじ孔１３，１４を設け、該ねじ孔１３， １４に油圧ホース５，６および油圧ホース１０，１１を接続し得るよう形成した ので、油圧ホース５，６および油圧ホース１０，１１を接続したねじの部分に油 圧ホース５，６および油圧ホース１０，１１の曲げに対する反発力や振動による 回転力がかからず、従ってねじ締め込みの緩みを生じることがない。According to the hydraulic piping described above, the boss joints 16 and 17 are provided with screw holes 13 and 14 which extend in the extending direction of the hydraulic hoses 5 and 6 and the hydraulic hoses 10 and 11, and the screw holes 13 and 14 are provided in the screw holes 13 and 14. Since the hydraulic hoses 5 and 6 and the hydraulic hoses 10 and 11 are formed so as to be connected, the hydraulic hoses 5 and 6 and the hydraulic hoses 10 and 11 are connected to the threaded portions connecting the hydraulic hoses 5 and 6 and the hydraulic hoses 10 and 11, respectively. No repulsive force against bending or rotational force due to vibration is applied, so loosening of screw tightening does not occur.
【００１６】 なお、本考案は前述の実施例にのみ限定されるものではなく、本考案の要旨を 逸脱しない範囲内において種々変更を加え得ることは勿論である。It should be noted that the present invention is not limited to the above-described embodiments, and it goes without saying that various modifications can be made without departing from the gist of the present invention.
【００１７】[0017]
本考案の油圧配管によれば、ボス継手に油圧ホース延設方向に通るねじ孔を設 け、該ねじ孔に油圧ホースを接続し得るよう形成したので、油圧ホースを接続し たねじの部分に油圧ホースの曲げに対する反発力や振動による回転力がかからず 、従ってねじ締め込みの緩みを生じることがないという優れた効果を奏し得る。 According to the hydraulic piping of the present invention, the boss joint is provided with a screw hole extending in the extending direction of the hydraulic hose, and the hydraulic hose can be connected to the screw hole. The repulsive force against the bending of the hydraulic hose and the rotational force due to the vibration are not applied, so that the excellent effect that the loosening of the screw tightening does not occur can be obtained.
【図１】本考案の油圧配管の概略を表す平面図である。FIG. 1 is a plan view schematically showing a hydraulic pipe of the present invention.
【図２】従来の油圧配管の一例の概略を表す側面図であ
る。FIG. 2 is a side view schematically showing an example of a conventional hydraulic pipe.
【図３】図２のＩＩＩ−ＩＩＩ矢視図である。FIG. 3 is a view taken along the line III-III in FIG.
１ａ ブーム先端部材 ２ アーム ３ ピン ４ 油圧シリンダ ５ 油圧ホース ６ 油圧ホース １０ 油圧ホース １１ 油圧ホース １３ ねじ孔 １４ ねじ孔 １５ 油通路 １６ ボス継手 １７ ボス継手 1a boom tip member 2 arm 3 pin 4 hydraulic cylinder 5 hydraulic hose 6 hydraulic hose 10 hydraulic hose 11 hydraulic hose 13 screw hole 14 screw hole 15 oil passage 16 boss joint 17 boss joint
Claims (1)
端部に設けたアタッチメントを駆動するため、前記アー
ムに設けた油圧シリンダへ圧油を供給する油圧配管にお
いて、両端部に油圧ホース延設方向へ通る油圧ホース接
続用のねじ孔を有し且つ各ねじ孔を連通する油通路を有
するボス継手を、前記アームの取付用ピンに平行する方
向へブーム先端部材を貫通して固設し、該ボス継手の両
端部に設けた各ねじ孔に所定の油圧ホースを接続したこ
とを特徴とする油圧配管。1. A hydraulic hose extending at both ends of a hydraulic pipe for supplying pressure oil to a hydraulic cylinder provided in the arm for driving an attachment provided at a distal end of an arm pivotally attached to a boom end. A boss joint having a screw hole for connecting a hydraulic hose passing in a direction and having an oil passage communicating with each screw hole, is fixed through the boom tip member in a direction parallel to the arm mounting pin, A hydraulic pipe characterized in that a predetermined hydraulic hose is connected to each screw hole provided at both ends of the boss joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992009470U JP2566329Y2 (en) | 1992-01-31 | 1992-01-31 | Hydraulic piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992009470U JP2566329Y2 (en) | 1992-01-31 | 1992-01-31 | Hydraulic piping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0564233U true JPH0564233U (en) | 1993-08-27 |
| JP2566329Y2 JP2566329Y2 (en) | 1998-03-25 |
Family
ID=11721158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992009470U Expired - Lifetime JP2566329Y2 (en) | 1992-01-31 | 1992-01-31 | Hydraulic piping |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2566329Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006098082A1 (en) * | 2005-03-14 | 2006-09-21 | Yanmar Co., Ltd. | Piping structure of front work machine |
| KR20230027496A (en) * | 2021-08-19 | 2023-02-28 | 주식회사 경원테크 | Structure for inputting oil pressure to bucket |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660972B (en) * | 2012-05-22 | 2014-12-31 | 山河智能装备股份有限公司 | Movable arm of excavator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3005754U (en) * | 1994-06-28 | 1995-01-10 | 敏典 天高 | Packaging bag made of synthetic resin |
-
1992
- 1992-01-31 JP JP1992009470U patent/JP2566329Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3005754U (en) * | 1994-06-28 | 1995-01-10 | 敏典 天高 | Packaging bag made of synthetic resin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006098082A1 (en) * | 2005-03-14 | 2006-09-21 | Yanmar Co., Ltd. | Piping structure of front work machine |
| KR20230027496A (en) * | 2021-08-19 | 2023-02-28 | 주식회사 경원테크 | Structure for inputting oil pressure to bucket |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2566329Y2 (en) | 1998-03-25 |
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