JPH0412487U - - Google Patents
Info
- Publication number
- JPH0412487U JPH0412487U JP5130790U JP5130790U JPH0412487U JP H0412487 U JPH0412487 U JP H0412487U JP 5130790 U JP5130790 U JP 5130790U JP 5130790 U JP5130790 U JP 5130790U JP H0412487 U JPH0412487 U JP H0412487U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- jib
- fixing pin
- fixing
- sprocket
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案を採用したトラツククレーンの
の全体側面図、第２図はジブ装着部の平面図、第
３図はジブ連結ピン着脱装置の断面図、第４図は
ジブ連結ピン着脱用駆動手段を示すＡ矢視図であ
る。
１……クレーン本体、２……ブーム、２ａ，２
ｂ……ラグ、２ｃ……固定用ピン挿嵌用ピン孔、
２ｄ……回動用ピン挿嵌用ピン孔、３……ジブ、
３ａ，３ｂ……ラグ、３ｃ……固定用ピン挿嵌用
ピン孔、３ｄ……回動用ピン挿嵌用ピン孔、４…
…固定用ピン、５……回動用ピン、６，７……タ
ーンバツクル、８，９，１０……スプロケツト、
１０，１１……チエーン、１３……動力伝達系。
Fig. 1 is an overall side view of a truck crane adopting the present invention, Fig. 2 is a plan view of the jib mounting section, Fig. 3 is a sectional view of the jib connecting pin attachment/detaching device, and Fig. 4 is the jib connecting pin attachment/detachment device. FIG. 3 is a view taken along arrow A showing the driving means. 1...Crane body, 2...Boom, 2a, 2
b...Lug, 2c...Pin hole for inserting fixing pin,
2d...Pin hole for inserting the rotation pin, 3...Jib,
3a, 3b...Lug, 3c...Pin hole for inserting a fixing pin, 3d...Pin hole for inserting a rotation pin, 4...
...fixing pin, 5...rotating pin, 6,7...turnbuckle, 8,9,10...sprocket,
10, 11...Chain, 13...Power transmission system.
Claims (1)
下一対のジブ固定用ピン孔を穿設し、その一方の
ピン孔の外側に該ピン孔とは別にジブ回動用ピン
孔を穿設すると共に、固定用ピン及び回動用ピン
の夫々の一端に螺部を上下に対向して設け、該螺
部を夫々ターンバツクルで螺合し、回動用ピン挿
嵌時固定用ピンが脱状態となり、固定用ピン挿嵌
時回動用ピンが脱状態となるようにしたことを特
徴とするジブ連結ピンの着脱装置。 ２ ターンバツクルにスプロケツトを取付け、固
定用ピン及び回動用ピンの着脱を前記スプロケツ
トとチエーンを介して手動乃至適当な駆動手段に
より行うことを特徴とする請求項１）記載のジブ
連結ピンの着脱装置。[Scope of Claim for Utility Model Registration] 1. A pair of upper and lower jib fixing pin holes are drilled on the left and right sides of the boom tip and jib base end lugs, respectively, and a jib fixing pin hole is provided outside of one of the pin holes separately from the pin hole. In addition to drilling a moving pin hole, a threaded portion is provided at one end of each of the fixing pin and the rotating pin so as to face each other vertically, and the threaded portions are screwed together with turnbuckles to fix the rotating pin when inserted. A jib connecting pin attachment/detachment device characterized in that the pin is in a detached state and the rotation pin is in a detached state when the fixing pin is inserted. 2. The jib connecting pin attachment/detachment device according to claim 1), wherein a sprocket is attached to the turnbuckle, and the fixing pin and rotation pin are attached and detached via the sprocket and the chain manually or by a suitable driving means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5130790U JPH0412487U (en) | 1990-05-18 | 1990-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5130790U JPH0412487U (en) | 1990-05-18 | 1990-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412487U true JPH0412487U (en) | 1992-01-31 |
Family
ID=31570631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5130790U Pending JPH0412487U (en) | 1990-05-18 | 1990-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5271711A (en) * | 1975-12-09 | 1977-06-15 | List Hans | Waterrcooled compressors |
-
1990
- 1990-05-18 JP JP5130790U patent/JPH0412487U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5271711A (en) * | 1975-12-09 | 1977-06-15 | List Hans | Waterrcooled compressors |
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