JPS60191916U - Automatic compensation pendulum braking device - Google Patents
Automatic compensation pendulum braking deviceInfo
- Publication number
- JPS60191916U JPS60191916U JP7857484U JP7857484U JPS60191916U JP S60191916 U JPS60191916 U JP S60191916U JP 7857484 U JP7857484 U JP 7857484U JP 7857484 U JP7857484 U JP 7857484U JP S60191916 U JPS60191916 U JP S60191916U
- Authority
- JP
- Japan
- Prior art keywords
- pendulum
- braking device
- automatic compensation
- braking
- automatic
- 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
- Telescopes (AREA)
- Adjustment Of Camera Lenses (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は一般の自動水準儀の構造を示す光路図、第2図
は本考案制動装置を示す正面図略図、第3図は制動板を
貫通する磁力線の分布を示すベクトル図である。
符号の説明、1・・・・・・対物レンズ、2・・・・・
・補償用反射鏡、3・・・固定反射鏡、4・・・十字線
焦点鏡、5・・・接眼レンズ、6・・・補償用振子、7
・・・吊線、8・・・上部枠体、9・・・磁石、1・o
、io’−・・制動板、11・・・支持金具、12・・
・下部枠体、D・・・2枚の制動板の間隔、d・・・制
動板と磁石の間隔、YY′・・・振子の振揺方向、xx
’・・・振子の振揺と直角方向、Fx・・・xx’方向
の磁力線の分力、FY・・・YY’方向の磁力線の分力
。FIG. 1 is an optical path diagram showing the structure of a general automatic leveling device, FIG. 2 is a schematic front view showing the braking device of the present invention, and FIG. 3 is a vector diagram showing the distribution of magnetic lines of force passing through a braking plate. Explanation of symbols, 1...Objective lens, 2...
- Compensation reflector, 3... Fixed reflector, 4... Crosshair focus mirror, 5... Eyepiece, 6... Compensation pendulum, 7
... Suspension wire, 8... Upper frame, 9... Magnet, 1.o
, io'-... Brake plate, 11... Support metal fitting, 12...
・Lower frame, D... Distance between two brake plates, d... Distance between brake plate and magnet, YY'... Swing direction of pendulum, xx
'...The direction perpendicular to the swing of the pendulum, the component force of the lines of magnetic force in the Fx...xx' direction, the component force of the lines of magnetic force in the FY...YY' direction.
Claims (1)
いて、振子体に一定間隔を隔てて電気抵抗の小さい金属
(例えば純銅)から晟る2枚の制動板を取付け、2枚の
制動板の内側に僅かな間隔を隔てて長さ方向又は厚さ方
向に着磁した1箇の磁石を支持金具に取付け、2枚の制
動板の中央に位置させて成る自動補償用振子の制動装置
。In a braking device for a pendulum for automatic compensation of an automatic level or theodolite, two braking plates made of a metal with low electrical resistance (such as pure copper) are attached to the pendulum body at a certain interval, and the two braking plates A braking device for an automatic compensating pendulum, in which a single magnet magnetized in the length direction or thickness direction is attached to a supporting metal part at a slight distance from the inner side of the pendulum, and the magnet is positioned at the center of two braking plates.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7857484U JPS60191916U (en) | 1984-05-30 | 1984-05-30 | Automatic compensation pendulum braking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7857484U JPS60191916U (en) | 1984-05-30 | 1984-05-30 | Automatic compensation pendulum braking device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60191916U true JPS60191916U (en) | 1985-12-19 |
Family
ID=30622669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7857484U Pending JPS60191916U (en) | 1984-05-30 | 1984-05-30 | Automatic compensation pendulum braking device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60191916U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5231448B1 (en) * | 1963-10-19 | 1977-08-15 |
-
1984
- 1984-05-30 JP JP7857484U patent/JPS60191916U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5231448B1 (en) * | 1963-10-19 | 1977-08-15 |
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