JP2504595Y2 - Cylinder cover mounting structure - Google Patents
Cylinder cover mounting structureInfo
- Publication number
- JP2504595Y2 JP2504595Y2 JP1990001706U JP170690U JP2504595Y2 JP 2504595 Y2 JP2504595 Y2 JP 2504595Y2 JP 1990001706 U JP1990001706 U JP 1990001706U JP 170690 U JP170690 U JP 170690U JP 2504595 Y2 JP2504595 Y2 JP 2504595Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- cylinder cover
- pair
- mounting
- piston rod
- 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.)
- Expired - Lifetime
Links
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Actuator (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、バックホウ、トラクタ等の作業車に取付け
られた作業装置を駆動する油圧シリンダのシリンダカバ
ーの取付構造に関する。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a structure for mounting a cylinder cover of a hydraulic cylinder that drives a work device such as a backhoe or a tractor mounted on a work vehicle.
上記シリンダカバーの取付構造としては、従来、例え
ば実開昭63−95760号公報に示されるように、シリンダ
カバーをシリンダチューブの長手方向にスライド自在な
状態でピストンロッドの先端ボスに取付けたものがあっ
た。そして、ピストンロッドの取付部の構造は第6図に
示すように、ブーム(8)に形成した左右一対の取付ボ
ス(8A)の間に一対のカラー(14)及びピストンロッド
(12)の先端ボス(12A)を同芯状に位置決め挿入し、
連結ピン(15)で連結していた。Conventionally, as the mounting structure of the cylinder cover, as shown in, for example, Japanese Utility Model Laid-Open No. 63-95760, a structure in which the cylinder cover is mounted on the tip boss of the piston rod while being slidable in the longitudinal direction of the cylinder tube is used. there were. As shown in FIG. 6, the structure of the mounting portion of the piston rod has a pair of collars (14) and a tip of the piston rod (12) between the pair of left and right mounting bosses (8A) formed on the boom (8). Position and insert the boss (12A) concentrically,
It was connected with the connecting pin (15).
上記構成によると、ピストンを取付けるために一対の
カラー、先端ボス及び一対の取付ボスを全て同芯状に位
置合わせした状態でないと連結ピンを差込むことができ
ず、シリンダ取付時の作業能率が悪くなる不具合があっ
た。According to the above configuration, the connecting pin cannot be inserted unless the pair of collars, the tip boss, and the pair of mounting bosses are all aligned coaxially for mounting the piston, and the work efficiency at the time of mounting the cylinder is improved. There was a problem that made it worse.
本考案の目的は、シリンダカバー取付構造に改良を加
えることで油圧シリンダ取付時の作業性を向上させるこ
とにある。An object of the present invention is to improve workability when mounting a hydraulic cylinder by improving a cylinder cover mounting structure.
本考案の特徴構成はシリンダカバーの一端部に、シリ
ンダ取付部の左右一対の取付ボスとピストンロッドの先
端ボスとの間隔に相当する厚み幅の左右一対のカラーを
同芯状に固着するとともに、ピストンロッドの先端ボス
を、左右一対の前記カラーの間に位置決め挿入した状態
でシリンダ取付部に連結ピンで連結し、かつ前記シリン
ダカバーの他端側をシリンダチューブにスライド自在に
取付けてある点にある。The characteristic structure of the present invention is that a pair of left and right collars having a thickness width corresponding to the distance between the pair of left and right mounting bosses of the cylinder mounting portion and the tip boss of the piston rod are fixed to one end of the cylinder cover in a concentric manner. The tip boss of the piston rod is positioned and inserted between the pair of left and right collars, and is connected to the cylinder mounting part with a connecting pin, and the other end of the cylinder cover is slidably mounted on the cylinder tube. is there.
上記構成によると、前記シリンダカバーの一端部に左
右一対の前記カラーを既に同芯状に固着してあるため前
記先端ボスの左右一対の前記カラー間への位置決め挿入
を容易に行うことができるとともに、前記連結ピンを用
いて、前記ピストンロッド及び前記シリンダカバーを同
時に取付け固定することができる。According to the above configuration, since the pair of left and right collars are already concentrically fixed to one end of the cylinder cover, the tip boss can be easily positioned and inserted between the pair of left and right collars. The piston rod and the cylinder cover can be attached and fixed at the same time by using the connecting pin.
従って、本考案によれば、油圧シリンダを容易に取付
けることができるだけでなく、前記カラーをシリンダカ
バーの取付部材と兼用できるため、構造が簡単で、かつ
作業能率の高いシリンダカバーの取付構造を提供するこ
とができた。Therefore, according to the present invention, not only the hydraulic cylinder can be easily mounted, but also the collar can be used as the mounting member of the cylinder cover, so that the structure of the cylinder cover is simple and the working efficiency is high. We were able to.
以下、本考案をバックホウ装置に適用した実施例を図
面に基づいて説明する。An embodiment in which the present invention is applied to a backhoe device will be described below with reference to the drawings.
第5図に示すように、クローラ式走行機台(1)に全
旋回可能な旋回台(2)を設けると共に、エンジン部
(3)及び操縦部(4)を旋回台(2)上に設け、旋回
台(2)にバックホウ装置(5)を、機台(1)にドー
ザ装置(6)を夫々取付けて、掘削作業と排土作業を択
一的に行えるようにした作業車を構成してある。As shown in FIG. 5, a crawler-type traveling machine base (1) is provided with a swivel base (2) capable of full swiveling, and an engine unit (3) and a control unit (4) are provided on the swivel base (2). A backhoe device (5) is attached to the swivel base (2) and a dozer device (6) is attached to the machine base (1) to construct a work vehicle capable of selectively performing excavation work and earth removal work. There is.
前記バックホウ装置(5)は油圧シリンダ(C1)より
縦軸周りで駆動回動自在なスイングブラケット(7)を
旋回台(2)に設け、スイングブラケット(7)に油圧
シリンダ(C2)によって上下揺動自在に取付けられたブ
ーム(8)と、前記ブーム(8)の先端に油圧シリンダ
(C3)によって上下揺動自在に取付けられたアーム
(9)と、このアーム(9)の先端に油圧シリンダ
(C4)によって姿勢変更可能に取付けられたバケット
(10)とから構成されている。The backhoe device (5) is provided with a swing bracket (7) on the swivel base (2), which can be driven and rotated about the vertical axis from the hydraulic cylinder (C 1 ), and the swing bracket (7) is provided with a hydraulic cylinder (C 2 ). A boom (8) mounted so as to be swingable up and down, an arm (9) mounted at the tip of the boom (8) so as to be swingable vertically by a hydraulic cylinder (C 3 ), and a tip of this arm (9). And a bucket (10) mounted so that its posture can be changed by a hydraulic cylinder (C 4 ).
前記ブーム用の油圧シリンダ(C2)は、そのシリンダ
チューブ(11)の基端がスイングブラケット(7)に枢
支連結されるとともに、ピストンロッド(12)がピスト
ンロッド保護用のシリンダカバー(13)とともにブーム
(8)に形成した取付部(B)に取付けられている。In the boom hydraulic cylinder (C 2 ), the base end of the cylinder tube (11) is pivotally connected to the swing bracket (7), and the piston rod (12) is a cylinder cover (13) for protecting the piston rod. ) Together with a mounting portion (B) formed on the boom (8).
この取付部(B)は、第1図及び第4図に示すよう
に、ブーム(8)に形成された左右一対の取付ボス(8
A)の間に、ピストンロッド(12)の先端ボス(12A)
と、シリンダカバー(13)の一端側に同芯状に溶接固定
された左右一対のカラー(14)を挿入し、これらを連結
ピン(15)で貫通固定して構成してある。従って、前記
左右一対のカラー(14)は、シリンダ取付部(B)の左
右一対の取付ボス(8A),(8A)とピストンロッド(1
2)の先端ボス(12A)との間隔に相当する厚み幅を有す
る。そして、前記シリンダカバー(13)の内面に長手方
向に沿わせて一対のレール部材(13A)を固着してレー
ル部(16)を形成するとともに、シリンダチューブ(1
1)上方に固着した支持片(11A)を前記レール部(16)
にスライド自在に係合させてあり、前記シリンダカバー
(13)はピストンロッド(12)とともにシリンダチュー
ブ(11)に対し相対摺動可能なようになっている。As shown in FIGS. 1 and 4, the mounting portion (B) is provided with a pair of left and right mounting bosses (8) formed on the boom (8).
Between the A), the tip boss (12A) of the piston rod (12)
And a pair of left and right collars (14) that are concentrically welded and fixed to one end of the cylinder cover (13), and these are penetrated and fixed by a connecting pin (15). Therefore, the pair of left and right collars (14) includes a pair of left and right mounting bosses (8A), (8A) of the cylinder mounting portion (B) and a piston rod (1).
It has a thickness corresponding to the distance from the tip boss (12A) in 2). Then, a pair of rail members (13A) are fixed to the inner surface of the cylinder cover (13) along the longitudinal direction to form a rail portion (16) and the cylinder tube (1).
1) Attach the support piece (11A) fixed above to the rail part (16).
The cylinder cover (13) is slidably engaged with the cylinder tube (11) together with the piston rod (12).
尚、実用新案登録請求の範囲の項に図面との対照を便
利にする為に符号を記すが、該記入により本考案は添付
図面の構造に限定されるものではない。It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the structure of the accompanying drawings by the entry.
第1図ないし第5図は本考案に係るシリンダカバー取付
構造の実施例を示し、第1図は油圧シリンダ及びシリン
ダカバーの取付部を示す縦断後面図、第2図は油圧シリ
ンダの側面図、第3図は第2図におけるA−A線断面
図、第4図はシリンダカバーの斜視図、第5図は作業車
の全体側面図である。又、第6図は従来の油圧シリンダ
及びシリンダカバーの取付部を示す縦断後面図である。 (8A)……取付ボス、(11)……シリンダチューブ、
(12)……ピストンロッド、(12A)……先端ボス、(1
3)……シリンダカバー、(14)……カラー、(15)…
…連結ピン、(B)……シリンダ取付部。1 to 5 show an embodiment of a cylinder cover mounting structure according to the present invention, FIG. 1 is a rear view in vertical section showing a mounting portion of a hydraulic cylinder and a cylinder cover, and FIG. 2 is a side view of the hydraulic cylinder. 3 is a sectional view taken along the line AA in FIG. 2, FIG. 4 is a perspective view of the cylinder cover, and FIG. 5 is an overall side view of the work vehicle. FIG. 6 is a longitudinal rear view showing a mounting portion of a conventional hydraulic cylinder and a cylinder cover. (8A) …… Mounting boss, (11) …… Cylinder tube,
(12) …… Piston rod, (12A) …… Tip boss, (1
3) …… Cylinder cover, (14) …… Color, (15)…
… Connecting pin, (B) …… Cylinder mounting part.
Claims (1)
ダ取付部(B)の左右一対の取付ボス(8A),(8A)と
ピストンロッド(12)の先端ボス(12A)との間隔に相
当する厚み幅の左右一対のカラー(14)を同芯状に固着
するとともに、ピストンロッド(12)の先端ボス(12
A)を、左右一対の前記カラー(14)の間に位置決め挿
入した状態でシリンダ取付部(B)の左右一対の取付ボ
ス(8A),(8A)に連結ピン(15)で連結し、かつ前記
シリンダカバー(13)の他端側をシリンダチューブ(1
1)にスライド自在に取付けてあるシリンダカバー取付
構造。1. A cylinder cover (13) is provided at one end thereof with a space between a pair of left and right mounting bosses (8A), (8A) of a cylinder mounting portion (B) and a tip boss (12A) of a piston rod (12). A pair of left and right collars (14) having a corresponding thickness are fixed concentrically, and the tip boss (12) of the piston rod (12) is fixed.
A) is positioned and inserted between the pair of left and right collars (14), and is connected to the pair of left and right mounting bosses (8A), (8A) of the cylinder mounting portion (B) by connecting pins (15), and Attach the other end of the cylinder cover (13) to the cylinder tube (1
Cylinder cover mounting structure that is slidably mounted on 1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990001706U JP2504595Y2 (en) | 1990-01-12 | 1990-01-12 | Cylinder cover mounting structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990001706U JP2504595Y2 (en) | 1990-01-12 | 1990-01-12 | Cylinder cover mounting structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0393849U JPH0393849U (en) | 1991-09-25 |
JP2504595Y2 true JP2504595Y2 (en) | 1996-07-10 |
Family
ID=31505600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990001706U Expired - Lifetime JP2504595Y2 (en) | 1990-01-12 | 1990-01-12 | Cylinder cover mounting structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2504595Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4542019B2 (en) * | 2005-10-14 | 2010-09-08 | 日立建機株式会社 | Cylinder device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0434245Y2 (en) * | 1986-03-12 | 1992-08-14 |
-
1990
- 1990-01-12 JP JP1990001706U patent/JP2504595Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0393849U (en) | 1991-09-25 |
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