DE2941747A1 - Verfahren und vorrichtung zur kontinuierlichen messung der abstandsaenderungen von messpunkten - Google Patents
Verfahren und vorrichtung zur kontinuierlichen messung der abstandsaenderungen von messpunktenInfo
- Publication number
- DE2941747A1 DE2941747A1 DE19792941747 DE2941747A DE2941747A1 DE 2941747 A1 DE2941747 A1 DE 2941747A1 DE 19792941747 DE19792941747 DE 19792941747 DE 2941747 A DE2941747 A DE 2941747A DE 2941747 A1 DE2941747 A1 DE 2941747A1
- Authority
- DE
- Germany
- Prior art keywords
- distance
- measuring points
- changes
- precision
- encoder according
- 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
- 238000000034 method Methods 0.000 title claims description 11
- 238000005259 measurement Methods 0.000 claims description 19
- 238000005065 mining Methods 0.000 claims description 7
- 239000003245 coal Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Description
Claims (8)
enthaltenden Präzisions-Spannungsfrequenzwandler (24)
ein integrierter Schaltkreis (26) geschaltet ist.
(26) Transistoren (28, 29) geschaltet sind.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792941747 DE2941747C2 (de) | 1979-10-16 | 1979-10-16 | Vorrichtung zur kontinuierlichen Messung der Abstandsänderungen zwischen Meßpunkten an Gebirgsformationen |
DE19803031645 DE3031645C2 (de) | 1979-10-16 | 1980-08-22 | Vorrichtung zur kontinuierlichen Messung der Abstandsänderungen zwischen Meßpunkten an Gebirgsformationen |
GB8033211A GB2060899B (en) | 1979-10-16 | 1980-10-15 | Continuous measurement of changes in the distance between measuring points |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792941747 DE2941747C2 (de) | 1979-10-16 | 1979-10-16 | Vorrichtung zur kontinuierlichen Messung der Abstandsänderungen zwischen Meßpunkten an Gebirgsformationen |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2941747A1 true DE2941747A1 (de) | 1981-04-30 |
DE2941747C2 DE2941747C2 (de) | 1982-09-02 |
Family
ID=6083540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792941747 Expired DE2941747C2 (de) | 1979-10-16 | 1979-10-16 | Vorrichtung zur kontinuierlichen Messung der Abstandsänderungen zwischen Meßpunkten an Gebirgsformationen |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2941747C2 (de) |
GB (1) | GB2060899B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113883998A (zh) * | 2021-12-06 | 2022-01-04 | 山东隽宇电子科技有限公司 | 一种施工现场电缆检测设备 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4532709A (en) * | 1984-10-22 | 1985-08-06 | Westinghouse Electric Corp. | High precision electronic digital measurement system wound on constant-torque-controlled drum |
GB8524029D0 (en) * | 1985-09-30 | 1985-11-06 | Vere D W | Movement transducer |
DE4217607C2 (de) * | 1992-05-27 | 1995-04-27 | Asm Automation Sensorik Messte | Seilzug-Wegaufnehmevorrichtung |
US5820057A (en) * | 1997-11-05 | 1998-10-13 | The Stanley Works | Tape rule with geared spring motor drive |
CN110186754B (zh) * | 2019-07-03 | 2024-02-23 | 长江水利委员会长江科学院 | 一种高水压分体式岩体变形测量装置及其构建方法和应用 |
CN113565569B (zh) * | 2021-07-21 | 2023-06-20 | 贵州省矿山安全科学研究院有限公司 | 一种基于大数据分析的煤矿风险预警系统 |
-
1979
- 1979-10-16 DE DE19792941747 patent/DE2941747C2/de not_active Expired
-
1980
- 1980-10-15 GB GB8033211A patent/GB2060899B/en not_active Expired
Non-Patent Citations (1)
Title |
---|
CHR. Rohrbach: Handbuch für elektrisches Messen mechanischer Größen (1967), S. 116 bis 121 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113883998A (zh) * | 2021-12-06 | 2022-01-04 | 山东隽宇电子科技有限公司 | 一种施工现场电缆检测设备 |
CN113883998B (zh) * | 2021-12-06 | 2022-03-08 | 山东隽宇电子科技有限公司 | 一种施工现场电缆检测设备 |
Also Published As
Publication number | Publication date |
---|---|
DE2941747C2 (de) | 1982-09-02 |
GB2060899B (en) | 1983-08-10 |
GB2060899A (en) | 1981-05-07 |
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Legal Events
Date | Code | Title | Description |
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OP8 | Request for examination as to paragraph 44 patent law | ||
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D2 | Grant after examination | ||
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8339 | Ceased/non-payment of the annual fee |