JPS5757227A - Torque detection device - Google Patents
Torque detection deviceInfo
- Publication number
- JPS5757227A JPS5757227A JP13359480A JP13359480A JPS5757227A JP S5757227 A JPS5757227 A JP S5757227A JP 13359480 A JP13359480 A JP 13359480A JP 13359480 A JP13359480 A JP 13359480A JP S5757227 A JPS5757227 A JP S5757227A
- Authority
- JP
- Japan
- Prior art keywords
- torque
- phase difference
- phase
- signals
- sensors
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
- G01L3/109—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving measuring phase difference of two signals or pulse trains
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
PURPOSE:To obtain correct torque value with a simple device by taking out the digital signals having a phase difference according to the torque value of the part to be tested from two portions and providing an analong signals corresponding to the phase difference. CONSTITUTION:A torsion bar 2 is provided with gears 3a and 3b on both sides thereof while the sensors 4a and 4b are arranged in the naborhood thereof. When a detector 1 rotates, the sensors 4a and 4b produce digital signal S1 and S2 having a phase difference corresponding to the torque. These are compared in respect of phase through a phase comparison circuit 6 to be made into the outputs Q1 and Q2, which in turn are changed into an analogue signal according to the difference between both signals by a D/A converter 7 and put into a filter 8, the output thereof being given to a torque indicator device 12 through a variable resistor 10 and an amplifier 11 to enable the reading of the torque. Thereby correct torque can be measured with a simple device requiring no strain gauge nor a slip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13359480A JPS5757227A (en) | 1980-09-25 | 1980-09-25 | Torque detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13359480A JPS5757227A (en) | 1980-09-25 | 1980-09-25 | Torque detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5757227A true JPS5757227A (en) | 1982-04-06 |
Family
ID=15108454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13359480A Pending JPS5757227A (en) | 1980-09-25 | 1980-09-25 | Torque detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5757227A (en) |
-
1980
- 1980-09-25 JP JP13359480A patent/JPS5757227A/en active Pending
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