JPS5917805U - distance detector - Google Patents
distance detectorInfo
- Publication number
- JPS5917805U JPS5917805U JP11262382U JP11262382U JPS5917805U JP S5917805 U JPS5917805 U JP S5917805U JP 11262382 U JP11262382 U JP 11262382U JP 11262382 U JP11262382 U JP 11262382U JP S5917805 U JPS5917805 U JP S5917805U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- lever
- wire
- distance detector
- detecting
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る距離検出器の一実施例を示した縦
断面図、第２図は第１図のＡ−Ａ線による断面図、第３
図は本考案に係る検出器をクレーンのブーム長検出に適
用した場合を示す概念図である。
１・・・ドラム、２・・・ハウジング、６・・・ワイヤ
、７・・・渦巻キバネ、９・・・ポテンショメータ、１
０・・・レバー、１１・・・突起、１４・・・ブーム。FIG. 1 is a longitudinal cross-sectional view showing one embodiment of the distance detector according to the present invention, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1, and FIG.
The figure is a conceptual diagram showing a case where the detector according to the present invention is applied to detecting the boom length of a crane. DESCRIPTION OF SYMBOLS 1... Drum, 2... Housing, 6... Wire, 7... Spiral spring, 9... Potentiometer, 1
0...Lever, 11...Protrusion, 14...Boom.
Claims (1)
き作動しかつその反作用で上記ドラムを巻き戻し方向に
付勢させる渦巻きバネと、上記ドラムの繰り出し方向の
回転数を検出する手段とを備え、上記ドラムの繰り出し
方向回転数から上記ワイヤに接続される物体の移動距離
を検出する距離検出器において、上記ドラムに作用する
遠心力によって作動されるレバーを設けるとともに、上
記遠心力が所定の大きさ以上になったさいにおける上記
レバーの作動位置において該レバーに係合する突起を上
記ドラムを支承するハウジングに設け、上記レバーと物
起の保合によって上記ドラムの巻き戻し方向の回転を阻
止するようにしたことを特徴とする距離検出器。The method includes: a drum around which a wire is wound; a spiral spring that operates when winding the wire and biases the drum in the unwinding direction by a reaction thereto; and means for detecting the rotational speed of the drum in the unwinding direction; A distance detector for detecting the moving distance of an object connected to the wire from the number of rotations in the feeding direction of the drum, a lever operated by centrifugal force acting on the drum is provided, and the centrifugal force is greater than or equal to a predetermined magnitude. A housing supporting the drum is provided with a protrusion that engages with the lever when the lever is in an operating position when the lever is in the operating position, and the rotation of the drum in the rewinding direction is prevented by engagement of the lever and the lever. A distance detector characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11262382U JPS5917805U (en) | 1982-07-23 | 1982-07-23 | distance detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11262382U JPS5917805U (en) | 1982-07-23 | 1982-07-23 | distance detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5917805U true JPS5917805U (en) | 1984-02-03 |
Family
ID=30261022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11262382U Pending JPS5917805U (en) | 1982-07-23 | 1982-07-23 | distance detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5917805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62160312U (en) * | 1986-04-01 | 1987-10-12 | ||
| JP2009286611A (en) * | 2008-05-30 | 2009-12-10 | Furukawa Unic Corp | Boom length detection device |
-
1982
- 1982-07-23 JP JP11262382U patent/JPS5917805U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62160312U (en) * | 1986-04-01 | 1987-10-12 | ||
| JP2009286611A (en) * | 2008-05-30 | 2009-12-10 | Furukawa Unic Corp | Boom length detection device |
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