CN101046428A - Engine rotation shaft torquemeter - Google Patents
Engine rotation shaft torquemeter Download PDFInfo
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- CN101046428A CN101046428A CN 200710034867 CN200710034867A CN101046428A CN 101046428 A CN101046428 A CN 101046428A CN 200710034867 CN200710034867 CN 200710034867 CN 200710034867 A CN200710034867 A CN 200710034867A CN 101046428 A CN101046428 A CN 101046428A
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- output shaft
- torque output
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- shaft
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- 230000005284 excitation Effects 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 7
- 241000209094 Oryza Species 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
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Abstract
The engine rotation shaft torquemeter includes an engine torque output shaft inside engine casing, exciting gears, a torque sensor and a signal processor. The engine torque output shaft is one hollow shaft with one inside datum shaft, and the datum shaft has one end fixed with fixing pin to the torque output shaft and the other end with connected torque output shaft exciting gear and datum shaft exciting gear. These two exciting gears have crossed teeth, and over the exciting gears, are the torque sensor and the signal processor. The engine rotation shaft torquemeter has simple structure, convenient installation, less sensor, low cost, high anti-jamming capacity and high measurement precision.
Description
Technical field
The present invention relates to a kind of measurement mechanism, be specifically related to the measurement mechanism of engine rotation axle moment of torsion.
Background technology
Traditional phase-difference type torque device is to turn round axle by an elasticity survey that has gear mesh, and a pair of magneto-electric detecting device and signal processor are formed.Two magneto-electric detecting devices are installed in respectively on the gear mesh, and elasticity is surveyed when turning round the axle rotation, and the gear mesh cutting magnetic line induces the simple alternating current electric signal in the magnetoelectricity detector coil.And survey when turning round axle and being turned round when elasticity, will produce phase differential between the simple alternating current electric signal that induces in the magnetoelectricity detector coil of two ends, this phase place extent is proportional to elasticity and surveys and turn round the size that axle is gone up suffered moment of torsion.The signal of magnetoelectricity detecting device output calculates the size of moment of torsion through signal processor processes.This phase-difference type torque measurement mechanism complex structure, installation requirement height (especially under high-speed state), inconvenient operation, poor anti jamming capability, measuring accuracy is low.
Summary of the invention
It is not enough to the objective of the invention is to overcome said apparatus institute, provides a kind of simple in structure, and easy to operate, antijamming capability is strong, measures accurate engine rotation shaft torque measuring device.
Engine rotation shaft torquemeter of the present invention, in motor body, be connected with the engine torque output shaft, the excitation gear, torque sensor and signal processor, it is characterized in that described engine torque output shaft is a tubular shaft, be socketed with a reference axis in the tubular shaft, one end of torque output shaft and reference axis fuses with fixed pin, the other end of torque output shaft and reference axis respectively is connected with torque output shaft excitation gear, reference axis excitation gear, and the gear teeth of torque output shaft excitation gear and reference axis excitation gear intersect; The top of excitation gear is provided with torque sensor, is connected by electric connector between torque sensor and the signal processor; Described signal processor is by sync detection circuit, synchronous gate, and the high frequency timing circuit, programmable integrated circuit connects to form.
In order to realize foregoing invention better, the moment of torsion formula of described torque output shaft is
M＝Kδθ
Wherein: M-torque output shaft output torque (ox rice)
K-elastic device table constant (ox rice/degree)
δ θ-torque output shaft excitation gear tooth and reference axis excitation gear
The torsional angle that the gear teeth produce
Like this measurement of torque value just is transformed into measurement to torque output shaft excitation gear tooth and reference axis excitation gear tooth angle δ θ.
During the torque output shaft rotation, the frequency that torque sensor changes the relative torsional angle that produces between the torque output shaft excitation gear that detects and the reference axis excitation gear tooth and the electric signal of phase information, be input in the signal processor, signal processor passes through sync detection circuit, synchronous gate, be engine torque output shaft torque value with electrical signal conversion after high frequency timing circuit, programmable integrated circuit are handled and on display, show.
The present invention with the advantage that existing phase-difference type torque device is compared is: measurement mechanism of the present invention simple in structure, easy for installation, reduced the quantity of sensor simultaneously, and reduced cost, antijamming capability is strong, the measuring accuracy height.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Constitutional diagram when Fig. 2 does not have moment of torsion for excitation gear among Fig. 1 of the present invention.
Fig. 3 is the circuit theory diagrams of signal processor 5 of the present invention.
1. torque sensors among the figure, 2. electric connector, 3. torque output shaft excitation gear, 4. reference axis excitation gear, 5. signal processor, 6. reference axis, 7. torque output shaft, 8. fixed pin, 9. housing, 10. sync detection circuit, 11. synchronous gate, 12. the high frequency timing circuit, 13. programmable integrated circuits, 14. displays.
Embodiment
By Fig. 1,2,3 as can be known, torque sensor 1, engine torque output shaft 7 is fixed in the motor body 9, torque output shaft excitation gear 3, reference axis excitation gear 4 is separately fixed on torque output shaft 7 and the reference axis 6, torque output shaft 7 is a tubular shaft, be socketed with a reference axis 6 in the tubular shaft, one end of torque output shaft 7 and reference axis 6 connects as one with fixed pin 8, the other end is connected with torque output shaft excitation gear 3, reference axis excitation gear 4, respectively be provided with four gear teeth on torque output shaft excitation gear 3 and the reference axis excitation gear 4, the gear teeth of two excitation gears intersect at 45, torque sensor 1 places the top of excitation gear, is connected by electric connector 2 between torque sensor 1 and the signal processor 5; Include sync detection circuit 10 in the signal processor 5, synchronous gate 11, high frequency timing circuit 12, programmable integrated circuit 13, and connect to form by electric wire.
Because torque output shaft 7 is made by resilient material, after torque output shaft 7 was subjected to twisting strain, the gear teeth of torque output shaft excitation gear 3 produced a relative torsional angle, its formula with respect to the gear teeth of reference axis excitation gear 4:
M＝Kδθ
Wherein, M---torque output shaft moment of torsion (ox rice)
K---elastic device table constant (ox rice/degree)
δ θ---torque output shaft excitation gear tooth and reference axis excitation gear tooth
The torsional angle that produces
When engine torque output shaft 7 and reference axis 6 rotations, torque output shaft excitation gear 3 is under uncharge situation, and the torque sensor 1 that whenever circles will be experienced 8 near sinusoidal ripples, each electricity cycle mechanical angle of corresponding 45 °.When being turned round, torque output shaft 7 (load is arranged), phase place between torque output shaft excitation gear 3 and the reference axis excitation gear 4 changes, torsional angle δ θ information and frequency information between the gear teeth of torque sensor 1 detection torque output shaft excitation gear 3 and the gear teeth of reference axis excitation gear 4, and with this information conveyance to signal processor 5, signal processor 5 is by sync detection circuit 10, synchronous gate 11, high frequency timing circuit 12, after programmable integrated circuit 13 is handled, be engine torque output shaft torque value with electrical signal conversion and on display 14, show.
Claims (2)
1, a kind of engine rotation shaft torquemeter is connected with engine torque output shaft (7) in motor body (9), the excitation gear, and torque sensor (1) and signal processor (5) is characterized in that:
A, described engine torque output shaft (7) are tubular shaft, be socketed with a reference axis (6) in the tubular shaft, one end of torque output shaft (7) and reference axis (6) fuses with fixed pin (8), the other end of torque output shaft (7) and reference axis (6) respectively is connected with torque output shaft excitation gear (3), reference axis excitation gear (4), and the gear teeth of torque output shaft excitation gear (3) and reference axis excitation gear (4) intersect;
The top of B, excitation gear is provided with torque sensor (1), is connected by electric connector (2) between torque sensor (1) and the signal processor (5);
C, described signal processor (5) be by sync detection circuit (10), synchronous gate (11), and high frequency timing circuit (12), programmable integrated circuit (13) connects to form.
2, according to the described engine rotation shaft torquemeter of claim 1, it is characterized in that: the moment of torsion formula of described torque output shaft (7) is
M＝Kδθ
Wherein: M-torque output shaft output torque (ox rice)
K-elasticity meter constant (ox rice/degree)
The torsional angle that δ θ-torque output shaft excitation gear tooth and reference axis excitation gear tooth produce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710034867 CN101046428A (en) | 2007-04-30 | 2007-04-30 | Engine rotation shaft torquemeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710034867 CN101046428A (en) | 2007-04-30 | 2007-04-30 | Engine rotation shaft torquemeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101046428A true CN101046428A (en) | 2007-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710034867 Pending CN101046428A (en) | 2007-04-30 | 2007-04-30 | Engine rotation shaft torquemeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101046428A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464197A (en) * | 2007-12-18 | 2009-06-24 | 迪尔公司 | Torque measuring method and device |
| CN101441121B (en) * | 2007-11-20 | 2010-10-06 | 力帆实业(集团)股份有限公司 | Engine net torque detection fixture |
| CN102141453A (en) * | 2010-12-28 | 2011-08-03 | 湖南山河智能机械股份有限公司 | Power detection method of engine of construction machinery and device thereof |
| CN102539037A (en) * | 2011-11-18 | 2012-07-04 | 杭州欧佩亚海洋工程有限公司 | Force moment sensor for output pinion of self-elevating platform elevating unit |
| CN102607751A (en) * | 2012-03-07 | 2012-07-25 | 中国航空动力机械研究所 | Output torque measurement device of turboshaft engine |
| CN103542965A (en) * | 2013-10-29 | 2014-01-29 | 中国航空动力机械研究所 | Torque measuring system and torque calibrating method of output shaft of turboshaft engine |
| CN104568451A (en) * | 2015-01-09 | 2015-04-29 | 哈尔滨东安发动机（集团）有限公司 | Torque test device |
| CN108120541A (en) * | 2017-12-20 | 2018-06-05 | 中车唐山机车车辆有限公司 | Combustion power assembly Shafting torque test method and device |
| CN111982369A (en) * | 2020-07-27 | 2020-11-24 | 中国航发湖南动力机械研究所 | Output shaft torsion measuring method |
| CN113153439A (en) * | 2021-05-06 | 2021-07-23 | 中国航发湖南动力机械研究所 | Compact turbine shaft structure with torsion measuring function |
| CN113959722A (en) * | 2021-10-28 | 2022-01-21 | 南京航空航天大学 | Torque-propeller pitch-phase angle-rotating speed integrated measuring device and method based on tone wheel |
-
2007
- 2007-04-30 CN CN 200710034867 patent/CN101046428A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441121B (en) * | 2007-11-20 | 2010-10-06 | 力帆实业(集团)股份有限公司 | Engine net torque detection fixture |
| CN102589771B (en) * | 2007-12-18 | 2015-07-15 | 迪尔公司 | Method and apparatus for measuring torque |
| CN102589771A (en) * | 2007-12-18 | 2012-07-18 | 迪尔公司 | Method and apparatus for measuring torque |
| CN101464197B (en) * | 2007-12-18 | 2013-07-10 | 迪尔公司 | Torque measurement method and device |
| CN101464197A (en) * | 2007-12-18 | 2009-06-24 | 迪尔公司 | Torque measuring method and device |
| CN102141453A (en) * | 2010-12-28 | 2011-08-03 | 湖南山河智能机械股份有限公司 | Power detection method of engine of construction machinery and device thereof |
| CN102141453B (en) * | 2010-12-28 | 2012-06-27 | 湖南山河智能机械股份有限公司 | Power detection method of engine of construction machinery and device thereof |
| CN102539037A (en) * | 2011-11-18 | 2012-07-04 | 杭州欧佩亚海洋工程有限公司 | Force moment sensor for output pinion of self-elevating platform elevating unit |
| CN102607751A (en) * | 2012-03-07 | 2012-07-25 | 中国航空动力机械研究所 | Output torque measurement device of turboshaft engine |
| CN102607751B (en) * | 2012-03-07 | 2014-06-11 | 中国航空动力机械研究所 | Output torque measurement device of turboshaft engine |
| CN103542965A (en) * | 2013-10-29 | 2014-01-29 | 中国航空动力机械研究所 | Torque measuring system and torque calibrating method of output shaft of turboshaft engine |
| CN103542965B (en) * | 2013-10-29 | 2015-10-28 | 中国航空动力机械研究所 | The torch measuring system of turboshaft engine output shaft and torque calibration method |
| CN104568451A (en) * | 2015-01-09 | 2015-04-29 | 哈尔滨东安发动机（集团）有限公司 | Torque test device |
| CN108120541A (en) * | 2017-12-20 | 2018-06-05 | 中车唐山机车车辆有限公司 | Combustion power assembly Shafting torque test method and device |
| CN111982369A (en) * | 2020-07-27 | 2020-11-24 | 中国航发湖南动力机械研究所 | Output shaft torsion measuring method |
| CN111982369B (en) * | 2020-07-27 | 2022-05-17 | 中国航发湖南动力机械研究所 | Output shaft torsion measuring method |
| CN113153439A (en) * | 2021-05-06 | 2021-07-23 | 中国航发湖南动力机械研究所 | Compact turbine shaft structure with torsion measuring function |
| CN113153439B (en) * | 2021-05-06 | 2022-04-22 | 中国航发湖南动力机械研究所 | Compact turbine shaft structure with torsion measuring function |
| CN113959722A (en) * | 2021-10-28 | 2022-01-21 | 南京航空航天大学 | Torque-propeller pitch-phase angle-rotating speed integrated measuring device and method based on tone wheel |
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