JPH02137392U - - Google Patents
Info
- Publication number
- JPH02137392U JPH02137392U JP4623389U JP4623389U JPH02137392U JP H02137392 U JPH02137392 U JP H02137392U JP 4623389 U JP4623389 U JP 4623389U JP 4623389 U JP4623389 U JP 4623389U JP H02137392 U JPH02137392 U JP H02137392U
- Authority
- JP
- Japan
- Prior art keywords
- elevating body
- chains
- relative position
- descending
- suspend
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は、本考案のチエーンの異常状態検知機
構を具えたクレーンの正面図、第２図は第１図の
側面図、第３図は第４図中の３−３矢視断面図、
第４図はチエーンの異常状態検知機構の正面図、
第５図乃至第８図はチエーンの異常状態検知機構
の動作説明図である。
１１……昇降体、１５１，１５２……昇降チエ
ーン、４０１，４０２……ストツパー手段、５０
……相対位置変動検知手段、６０……チエーンの
異常状態検知機構。
FIG. 1 is a front view of a crane equipped with the chain abnormal state detection mechanism of the present invention, FIG. 2 is a side view of FIG. 1, and FIG. 3 is a sectional view taken along arrow 3-3 in FIG.
Figure 4 is a front view of the chain abnormal state detection mechanism.
5 to 8 are explanatory diagrams of the operation of the chain abnormal state detection mechanism. 11... Elevating body, 15 1 , 15 2 ... Elevating chain, 40 1 , 40 2 ... Stopper means, 50
. . . Relative position fluctuation detection means, 60 . . . Chain abnormal state detection mechanism.
Claims (1)
前記昇降体の下降が阻止されたとき前記昇降体に
対して下降可能に前記昇降体に取付けるとともに
、前記各チエーンの下降距離を異ならしめるスト
ツパ手段と、前記２本のチエーン間において両者
の相対位置の変動を検知する相対位置変動検知手
段を具えたことを特徴とする、昇降チエーンの異
常状態検知機構。 Stopper means for attaching two chains that suspend and lower the elevating body to the elevating body such that they can be lowered relative to the elevating body when the descending of the elevating body is prevented, and for making the descending distances of the chains different. and a relative position change detection means for detecting a change in relative position between the two chains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4623389U JPH065345Y2 (en) | 1989-04-21 | 1989-04-21 | Abnormal condition detection mechanism for lifting chains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4623389U JPH065345Y2 (en) | 1989-04-21 | 1989-04-21 | Abnormal condition detection mechanism for lifting chains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02137392U true JPH02137392U (en) | 1990-11-15 |
| JPH065345Y2 JPH065345Y2 (en) | 1994-02-09 |
Family
ID=31561134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4623389U Expired - Lifetime JPH065345Y2 (en) | 1989-04-21 | 1989-04-21 | Abnormal condition detection mechanism for lifting chains |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065345Y2 (en) |
-
1989
- 1989-04-21 JP JP4623389U patent/JPH065345Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH065345Y2 (en) | 1994-02-09 |