CN201318974Y - Force moment measuring device of electrical actuating mechanism - Google Patents
Force moment measuring device of electrical actuating mechanism Download PDFInfo
- Publication number
- CN201318974Y CN201318974Y CNU2008202351996U CN200820235199U CN201318974Y CN 201318974 Y CN201318974 Y CN 201318974Y CN U2008202351996 U CNU2008202351996 U CN U2008202351996U CN 200820235199 U CN200820235199 U CN 200820235199U CN 201318974 Y CN201318974 Y CN 201318974Y
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- output shaft
- worm
- worm screw
- moment
- push
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Abstract
The utility model discloses a force moment measuring device of electrical actuating mechanism, which comprises an output shaft, a worm which converts the force moment output by the output shaft into the push-and-pull force, and a tension-compression force sensor which obtains the push-and-pull force through driving an actuating mechanism by a driving mechanism, wherein one end of the worm is connected and fixed with the middle portion of an elastic body of the tension-compression force sensor, the other end of the worm is connected with the driving mechanism, the worm can move along the axial direction of the driving mechanism, the output shaft is connected with a worm wheel in a driving mode, both ends of the elastic body of the tension-compression force sensor are fixed with a box body of an electrical actuating mechanism. Since the device adopts a worm wheel between the output shaft and the worm to drive, when the output shaft outputs the force moment, the force moment can be transmitted to the tension-compression force sensor through the worm, thereby measuring the force moment of the output shaft, since the force moment generated by the output shaft is converted into the push-and-pull force through the worm, the tension-compression force sensor directly obtains the push-and-pull force generated by the force moment, thereby the measuring precision of the force moment of the actuating mechanism can be improved.
Description
Technical field
The utility model relates to robotization control structure technical field, particularly a kind of electric operator torque measuring device.
Background technology
Electric operator claims electric actuator or electric device for valve again, is widely used in industrial pipeline valve and instrument industry.Intelligent electric actuating mechanism is to add Microcomputer Controling Technique on the basis of electric operator, realizes the intellectuality of electric operator operation.Moment is an especially important measurement parameter of intelligent electric actuating mechanism of electric operator, and whether torgue measurement accurately influences equipment safety operation.
Electric current-magnetic-field measurement method is adopted in torgue measurement in the intelligent electric actuating mechanism at present, according to the size of size of current on the motor in the measurement topworks and the definite moment of variation thereof.Because this kind torque measuring device is to obtain parameter under the condition of laboratory simulation, therefore, during with this kind torque measuring device, it is bigger that this moment parameter is subjected to external environment influence in practical application; Simultaneously, on-the-spot practical working situation (also claiming operating mode) is can't be on all four with the condition of laboratory simulation, influence conditional instabilities such as current of electric, magnetic flux density, supply voltage, frequency, temperature, machinery driving efficiency, added losses, change complicated, therefore ratio error is bigger mutually with handling the moment that obtains through measurement for actual moment, and measuring accuracy is not high.
The utility model content
The technical matters that the utility model mainly solves provides a kind of electric operator torque measuring device that can improve the torgue measurement precision.
In order to solve the problems of the technologies described above, the utility model electric operator torque measuring device, by this topworks of drive mechanism, this measurement mechanism comprises: output shaft, the moment of described output shaft output is converted to the worm screw and the pull pressure sensor of obtaining this push-pull effort size of push-pull effort, wherein, the end of described worm screw and the elastic body centre position of pull pressure sensor are connected and fixed, the other end of this worm screw is connected with described driving mechanism, this worm screw can move along its axis, described output shaft is connected with over-type worm gear, and the elastic body two ends of described pull pressure sensor are fixed on the casing of electric operator.
Preferably, described output shaft is vertical mutually with worm screw.
Adopt worm-drive between the output shaft of the utility model electric operator torque measuring device and the worm screw, when the output shaft output torque, this moment can be passed to pull pressure sensor by worm screw, thereby can measure the moment of output shaft.Because the moment that output shaft produces is converted into push-pull effort by worm screw, described pull pressure sensor directly obtains the push-pull effort that moment produces, and therefore can improve the measuring accuracy of topworks's moment.
Description of drawings
Fig. 1 is that the utility model electric operator torque measuring device is executed the pull pressure sensor structural representation in the example;
Fig. 2 is the utility model electric operator torque measuring device example structure synoptic diagram.
The figure elements explanation
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and the advantage of the utility model purpose is described further.
Embodiment
The utility model embodiment electric operator torque measuring device by adopting worm-drive between output shaft and the worm screw, when the output shaft output torque, can pass to pull pressure sensor by worm screw with this moment, thereby can measure the moment of output shaft.Because the moment that output shaft produces is converted into push-pull effort by worm screw, described pull pressure sensor directly obtains the push-pull effort that moment produces, and therefore can improve the measuring accuracy of topworks's moment.
As shown in Figure 1, the utility model electric operator torque measuring device is carried an embodiment.This torque measuring device is by this topworks's work of drive mechanism, and this comprises: be used to export the output shaft 1 of electric operator moment and described moment is converted to the worm screw 2 of push-pull effort, and the pull pressure sensor 3 of gathering described push-pull effort size.Wherein, elastic body 31 two end sides of described pull pressure sensor 3 are fixed on the casing 4 of electric operator, and elastic body 31 centre positions of described worm screw 2 one ends and pull pressure sensor 3 are connected and fixed, and the other end of this worm screw 2 is connected with described driving mechanism; Described worm screw 2 can move along its axis in the casing 4 of electric operator, and promptly worm screw 2 can move along its axis along himself moving axially; The outside of described output shaft 1 one ends and worm screw 2 worm-drive, the other end of this output shaft 1 is connected transmission with worm gear on the electric operator.Preferably, this output shaft 1 is vertical mutually with worm screw 2, and described driving mechanism can comprise motor.Preferably, the centre position of end of described worm screw 2 and elastic body 31 is fixed.
As shown in Figure 2, described pull pressure sensor 3 comprises sensor elastomer 31 and pressure sensing module 32, and the two ends of this elastic body 31 are separately fixed on the casing 4 of electric operator.Described elastic body 31 can be fixed on the described casing 4 by housing screw; Described worm screw 2 is rigidly connected with the middle part of this elastic body 31, and is fixedly connected as being undertaken by set nut, also can be that other modes are fixedly connected.
In order more to clearly demonstrate the technique effect that the utility model electric operator torque measuring device is reached, specify this measurement mechanism course of work.
Worm gear on the described electric operator torque measuring device forms whole by clutch coupling and output shaft 1, this output shaft 1 is vertical mutually with worm screw 2.Described output shaft 1 and worm screw 2 are installed in respectively in the casing 4 of electric operator.Wherein, described worm screw 2 is a driving link, and output shaft 1 is a driven member, and this worm screw 2 can drive output shaft 1 and rotate.Described output shaft 1 can positive dirction rotate or counter-rotation.When output shaft 1 output torque, this moment is converted into axial thrust or pulling force worm screw 2 by worm-drive between worm screw 2 and the output shaft 1.
Because elastic body 31 is fixed on the casing 4 of electric operator, this elastic body 31 is rigidly connected fixing with worm screw 2 simultaneously, this worm screw 2 can move along its axis, therefore when the moment of output shaft 1 output is converted into worm screw 2 at its axial push-pull effort, this push-pull effort passes to elastic body 31 by mobile worm screw 2, and by this elastic body 31 this push-pull effort is passed to pull pressure sensor 3, so pull pressure sensor 3 is obtained the push-pull effort of the moment correspondence of output shaft 1.
Under the effect of push-pull effort, described worm screw 2 moves axially the generation displacement at it, make elastic body 31 deformation on the pull pressure sensor 3, thereby the 32 output direct current signals of the pressure sensing module on the pull pressure sensor 3, this voltage of signals can for+/-3.3Vdc, this signal magnitude is directly proportional with thrust or pulling force that elastic body 31 on the pull pressure sensor 3 bears.After the assembling of electric operator torque measuring device was finished, the diameter of axle of output shaft 1 immobilized, and therefore can obtain the moment of output shaft 1 output.
In the present embodiment, described output shaft 1 and worm screw 2 are the moment output block of described electric operator torque measuring device, and the size and the arm of force of this output shaft 1 and worm screw 2 are determined as required.Also elastic body 31 1 ends of described pull pressure sensor 3 can be fixed on the casing 4 of electric operator as required.Because pull pressure sensor 3 can directly be measured the push-pull effort of moment to answer of output shaft 1 output, pull pressure sensor 3 comprises and carries temperature compensation unit simultaneously, and this pull pressure sensor 3 is not subjected to the influence of measuring voltage and frequency, and measurement data is accurate.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (2)
1. electric operator torque measuring device, by this topworks of drive mechanism, it is characterized in that: this measurement mechanism comprises: output shaft, the moment of described output shaft output is converted to the worm screw and the pull pressure sensor of obtaining this push-pull effort size of push-pull effort, wherein, the end of described worm screw and the elastic body centre position of pull pressure sensor are connected and fixed, the other end of this worm screw is connected with described driving mechanism, this worm screw can move along its axis, described output shaft is connected with over-type worm gear, and the elastic body two ends of described pull pressure sensor are fixed on the casing of electric operator.
2. electric operator torque measuring device according to claim 1 is characterized in that: described output shaft is vertical mutually with worm screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202351996U CN201318974Y (en) | 2008-12-18 | 2008-12-18 | Force moment measuring device of electrical actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202351996U CN201318974Y (en) | 2008-12-18 | 2008-12-18 | Force moment measuring device of electrical actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201318974Y true CN201318974Y (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202351996U Expired - Lifetime CN201318974Y (en) | 2008-12-18 | 2008-12-18 | Force moment measuring device of electrical actuating mechanism |
Country Status (1)
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| CN (1) | CN201318974Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109397A (en) * | 2010-12-15 | 2011-06-29 | 天津埃柯特阀门控制设备有限公司 | Dynamic detecting device of torque of electric actuating mechanism |
| WO2017035869A1 (en) * | 2015-08-28 | 2017-03-09 | 深圳市浚海仪表设备有限公司 | Electrically powered head quality measurement method and system |
| CN109172934A (en) * | 2018-08-23 | 2019-01-11 | 苏州新生命医疗科技有限公司 | A kind of driving structure and drug infusion system of compact drug infusion system |
| CN112525396A (en) * | 2020-11-13 | 2021-03-19 | 北京精密机电控制设备研究所 | Small-size lightweight indirect dynamic torque measuring device |
| CN113237645A (en) * | 2021-05-08 | 2021-08-10 | 苏克执行器(宁波)有限公司 | Multifunctional testing machine for electric actuator |
| CN113341795A (en) * | 2021-05-21 | 2021-09-03 | 超达阀门集团股份有限公司 | Remote monitoring and early warning system for chemical valve faults |
| CN115979488A (en) * | 2023-03-21 | 2023-04-18 | 苏州成科自控设备有限公司 | Detection device, system and method for output torque of actuator |
-
2008
- 2008-12-18 CN CNU2008202351996U patent/CN201318974Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109397A (en) * | 2010-12-15 | 2011-06-29 | 天津埃柯特阀门控制设备有限公司 | Dynamic detecting device of torque of electric actuating mechanism |
| WO2017035869A1 (en) * | 2015-08-28 | 2017-03-09 | 深圳市浚海仪表设备有限公司 | Electrically powered head quality measurement method and system |
| CN109172934A (en) * | 2018-08-23 | 2019-01-11 | 苏州新生命医疗科技有限公司 | A kind of driving structure and drug infusion system of compact drug infusion system |
| CN112525396A (en) * | 2020-11-13 | 2021-03-19 | 北京精密机电控制设备研究所 | Small-size lightweight indirect dynamic torque measuring device |
| CN113237645A (en) * | 2021-05-08 | 2021-08-10 | 苏克执行器(宁波)有限公司 | Multifunctional testing machine for electric actuator |
| CN113237645B (en) * | 2021-05-08 | 2022-11-18 | 苏克执行器(宁波)有限公司 | Multifunctional testing machine for electric actuator |
| CN113341795A (en) * | 2021-05-21 | 2021-09-03 | 超达阀门集团股份有限公司 | Remote monitoring and early warning system for chemical valve faults |
| CN115979488A (en) * | 2023-03-21 | 2023-04-18 | 苏州成科自控设备有限公司 | Detection device, system and method for output torque of actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |