JPH0228897U - - Google Patents
Info
- Publication number
- JPH0228897U JPH0228897U JP10617788U JP10617788U JPH0228897U JP H0228897 U JPH0228897 U JP H0228897U JP 10617788 U JP10617788 U JP 10617788U JP 10617788 U JP10617788 U JP 10617788U JP H0228897 U JPH0228897 U JP H0228897U
- Authority
- JP
- Japan
- Prior art keywords
- bucket
- boom
- cylinder
- fixed
- 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.)
- Granted
Links
- 230000008602 contraction Effects 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案に係るバケツトの昇降装置を装
備した高所作業車の全体を示す斜視図、第２図は
バケツトの昇降装置の要部を示す説明図、第３図
ａ，ｂは本考案に係るバケツトの昇降作動状態を
示す説明図、第４図は従来の高所作業車に於ける
バケツトの昇降装置の一例をしめす概略説明図で
ある。
１…高所作業車、２…ターンテーブル、３…ブ
ーム、３ａ，３ａ…ブラケツト、３ｂ，３ｂ…ロ
ーラ、４…起伏シリンダ、５…アウトリガ、６…
バケツト、６ａ…スライド部材、６ｂ…ガイド溝
、６ｃ，６ｃ…ガイド部、６ｄ…ブラケツト、６
ｅ…シヤフト、６ｆ…下部、７…シリンダ、７ａ
…チユーブ、７ｂ…ロツド、７ｃ…ブラケツト、
７ｄ…シヤフト、７ｅ，７ｅ…凹部、８ａ…メイ
ンチエーン、８ｂ…サブチエーン、８ｃ…下げチ
エーン、９，１０，１１…スプロケツト。
Fig. 1 is a perspective view showing the entire aerial work vehicle equipped with a bucket elevating device according to the present invention, Fig. 2 is an explanatory diagram showing the main parts of the bucket elevating device, and Figs. 3 a and b are illustrations of the present invention. FIG. 4 is an explanatory view showing the lifting and lowering operation state of the bucket cart according to the invention. FIG. 4 is a schematic explanatory view showing an example of a lifting device for the bucket cart in a conventional aerial work vehicle. DESCRIPTION OF SYMBOLS 1...Aerial work vehicle, 2...Turntable, 3...Boom, 3a, 3a...Bracket, 3b, 3b...Roller, 4...Luffing cylinder, 5...Outrigger, 6...
Bucket, 6a...Slide member, 6b...Guide groove, 6c, 6c...Guide portion, 6d...Bracket, 6
e...Shaft, 6f...Lower, 7...Cylinder, 7a
...tube, 7b...rod, 7c...bracket,
7d... Shaft, 7e, 7e... Recessed portion, 8a... Main chain, 8b... Sub chain, 8c... Lower chain, 9, 10, 11... Sprocket.
Claims (1)
能なバケツトを配置し、前記ブームとバケツトの
間にバケツトの昇降動に追随して上下にスライド
可能に関連付けたチユーブ側が下方に位置し、か
つバケツトの上方近傍に固定個所を有するロツド
側が上方に位置し、しかもロツドのストローク長
がバケツトの昇降ストローク幅の略１／２である
シリンダを配置すると共に、前記ブームとバケツ
ト間に一端が前記ブームに固定され前記シリンダ
の下端に配置したスプロケツトを巻回して他端が
前記シリンダのロツドと同一部分に固定されたメ
インチエーンと、一端が前記ブームに固定され前
記シリンダの下端に配置したスプロケツトを巻回
して他端が前記シリンダのロツドと同一部分にて
固定されたサブチエーンと、一端が前記ブームに
固定され前記シリンダのやや上方側部に装備した
スプロケツトを巻回して他端が前記バケツトの底
部近傍に固定された下げチエーンを配置し、前記
シリンダのロツドの伸縮動が前記各チエーンを介
して前記ブームとバケツトに伝達されるように構
成したことを特徴とする高所作業車に於けるバケ
ツトの昇降装置。 A bucket that can be raised and lowered is disposed at the tip of the boom via a predetermined connecting means, and a tube side that is associated with the boom and the bucket so as to be slidable up and down following the lifting and lowering movement of the bucket is located below, and A cylinder is arranged in which the rod side having a fixing point near the top is located upward, and the stroke length of the rod is approximately 1/2 of the lifting stroke width of the bucket, and one end is connected to the boom between the boom and the bucket. a main chain that winds around a sprocket that is fixed and placed at the lower end of the cylinder, and whose other end is fixed to the same part as the rod of the cylinder; and a main chain that has one end fixed to the boom and winds the sprocket that is placed at the lower end of the cylinder. a subchain whose other end is fixed to the same part as the rod of the cylinder, and a sprocket whose one end is fixed to the boom and which is installed on the slightly upper side of the cylinder, and whose other end is near the bottom of the bucket. Lifting and lowering of a bucket cart in an aerial work vehicle, characterized in that a fixed lowering chain is arranged so that the expansion and contraction movement of the rod of the cylinder is transmitted to the boom and the bucket cart via the chains. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988106177U JPH0625495Y2 (en) | 1988-08-11 | 1988-08-11 | Bucket lifting device for aerial work vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988106177U JPH0625495Y2 (en) | 1988-08-11 | 1988-08-11 | Bucket lifting device for aerial work vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0228897U true JPH0228897U (en) | 1990-02-23 |
| JPH0625495Y2 JPH0625495Y2 (en) | 1994-07-06 |
Family
ID=31339454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988106177U Expired - Lifetime JPH0625495Y2 (en) | 1988-08-11 | 1988-08-11 | Bucket lifting device for aerial work vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0625495Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5567087U (en) * | 1978-06-20 | 1980-05-08 | ||
| JPS6359197U (en) * | 1986-10-04 | 1988-04-20 |
-
1988
- 1988-08-11 JP JP1988106177U patent/JPH0625495Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5567087U (en) * | 1978-06-20 | 1980-05-08 | ||
| JPS6359197U (en) * | 1986-10-04 | 1988-04-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0625495Y2 (en) | 1994-07-06 |
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