CN204128491U - The anti-torsional displacement sensor of a kind of type vibration wire - Google Patents
The anti-torsional displacement sensor of a kind of type vibration wire Download PDFInfo
- Publication number
- CN204128491U CN204128491U CN201420689163.0U CN201420689163U CN204128491U CN 204128491 U CN204128491 U CN 204128491U CN 201420689163 U CN201420689163 U CN 201420689163U CN 204128491 U CN204128491 U CN 204128491U
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- vibratory string
- string
- wire
- cavity
- vibratory
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses the anti-torsional displacement sensor of a kind of type vibration wire, vibratory string adjustable side (2) is provided with in overcoat (5), vibratory string cavity (3), magnetic head coil (4) and string wire (6), vibratory string adjustable side (2) is threaded connection an adjusting head (1), string wire (6) is through vibratory string cavity (3), and its two ends are connected to vibratory string adjustable side (2) and tune up on end (7), vibratory string cavity (3) has installed multiple magnetic head coil (4), end (7) of tuning up is connected with slide bar (9) by spring (8), and be together arranged in slide cartridge (10), (10) offer a pin hole to slide cartridge, slide bar (9) offers a chute (12), anti-twist pin (11) is arranged in the pin hole of slide cartridge (10), and be inserted in chute (12).The beneficial effects of the utility model are: it has dependable performance, anti-torsion, installs advantage easily.
Description
Technical field
The utility model relates to displacement transducer, particularly the anti-torsional displacement sensor of a kind of type vibration wire.
Background technology
Displacement transducer is also called linear transducer, and be a kind of linear unit belonging to metal induction, the effect of sensor is that various measurand is converted to electricity.In process of production, the measurement of displacement is generally divided into measurement full size and mechanical shift two kinds.Different by the form of measured variable conversion, displacement transducer can be divided into analog and digital two kinds.Analogly can be divided into again physical property type and structural type two kinds.Conventional displacement transducer is in the majority with analog structure type, comprises potentiometric displacement transducer, inductive displacement transducer, selsyn, capacitive displacement transducer, electric vortex type displacement sensor, Hall displacement transducer etc.An important advantage of digital displacement transducer is convenient to signal directly to send into computer system.This sensor development rapidly, is applied increasingly extensive.
In the observation and long term monitoring of Geotechnical Engineering and Other Engineering, be unable to do without displacement transducer, the anti-torsional displacement sensor of the existing type vibration wire used on the market does not possess to be prevented turning round function, do not prevent turning round function, operating personnel are needed steadily to pull out sensor slide bar during installation, once misoperation exists the anglec of rotation, sensor just may be subjected to destroy.And existing displacement transducer content major part is containing electronic devices and components, is not suitable for the environment for use of flush type.
Utility model content
The purpose of this utility model is the shortcoming overcoming prior art, provides a kind of dependable performance, anti-torsion, installs the anti-torsional displacement sensor of type vibration wire easily.
The purpose of this utility model is achieved through the following technical solutions: the anti-torsional displacement sensor of a kind of type vibration wire, it comprises adjusting head, vibratory string adjustable side, vibratory string cavity, magnetic head coil, overcoat, string wire, to tune up end, spring, slide bar, slide cartridge, anti-twist pin, vibratory string adjustable side is provided with in overcoat, vibratory string cavity, magnetic head coil and string wire, vibratory string adjustable side is threaded connection an adjusting head, string wire is through vibratory string cavity, and its two ends are connected to vibratory string adjustable side and tune up on end, string wire is fixed by vibratory string adjustable side by adjusting head, vibratory string cavity is installed multiple magnetic head coil, end of tuning up is connected with slide bar by spring, and be together arranged in slide cartridge, slide cartridge offers a pin hole, slide bar offers a chute, anti-twist pin is arranged in the pin hole of slide cartridge, and be inserted in chute.
Described vibratory string cavity is sleeved in slide cartridge near end one end of tuning up.
Described magnetic head coil is two, and is symmetrically distributed in vibratory string cavity.
The signal wire of described magnetic head coil is drawn inside overcoat, uses for rear end Meter Test.
The utility model has the following advantages: compared with prior art, advantage is that mechanism is simple to the anti-torsional displacement sensor of type vibration wire of the present utility model, good stability, be applicable to the environment for use of long-term observation; By arranging anti-twist pin, realizing the reliability in the simplification of sensor installation process and use procedure, avoiding slide bar and rotate the sensor degradation caused, improve the serviceable life of sensor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is anti-twist pin scheme of installation;
In figure, 1-adjusting head, 2-vibratory string adjustable side, 3-vibratory string cavity, 4-magnetic head coil, 5-overcoat, 6-string wire, 7-alignment end, 8-spring, 9-slide bar, 10-slide bar, the anti-twist pin of 11-, 12-chute.
Embodiment
Be further described the utility model below in conjunction with accompanying drawing, protection domain of the present utility model is not limited to the following stated:
As shown in Figure 1, the anti-torsional displacement sensor of a kind of type vibration wire, it comprises adjusting head 1, vibratory string adjustable side 2, vibratory string cavity 3, magnetic head coil 4, overcoat 5, string wire 6, to tune up end 7, spring 8, slide bar 9, slide cartridge 10, anti-twist pin 11, is provided with vibratory string adjustable side 2 in overcoat 5, vibratory string cavity 3, magnetic head coil 4 and string wire 6, vibratory string adjustable side 2 is threaded connection an adjusting head 1, string wire 6 is through vibratory string cavity 3, and its two ends are connected to vibratory string adjustable side 2 and tune up on end 7, string wire 6 is fixed by vibratory string adjustable side 2 by adjusting head 1, vibratory string cavity 3 is installed multiple magnetic head coil 4, end 7 of tuning up is connected with slide bar 9 by spring 8, and is together arranged in slide cartridge 10, and vibratory string cavity 3 is sleeved in slide cartridge 10 near end 7 one end of tuning up, as shown in Figure 2, slide cartridge 10 offers a pin hole, slide bar 9 offers a chute 12, anti-twist pin 11 is arranged in the pin hole of slide cartridge 10, and be inserted in chute 12, in use, slide bar 9 slides along chute 12 direction, prevents slide bar 9 from rotating, avoid slide bar 9 and rotate the sensor degradation caused, improve the serviceable life of sensor.
In the present embodiment, described magnetic head coil 4 is two, and is symmetrically distributed in vibratory string cavity 3, and one for exciting head, another is Receiver, the signal wire of magnetic head coil 4 is drawn inside overcoat 5, uses, when Sensor monitoring changes to displacement for rear end Meter Test, string wire 6 internal stress changes, vibration frequency changes thereupon, and external testing instrument can monitor frequency change situation, thus converses displacement transducer and monitor to obtain displacement.
The course of work of the present utility model is as follows: deform in monitoring of environmental, and when producing displacement, slide bar 9 pulls out along slide cartridge 10, and by the effect of spring force, end 7 of tuning up produces displacement, and string wire 6 internal stress changes; When displacement transducer external testing instrument is linked into sensor test signal wire, magnetic head coil 4 excited target produces magnetic field, and string wire 6 vibrates under magnetic fields; When Sensor monitoring changes to displacement, string wire 6 internal stress changes, and vibration frequency changes thereupon, and external testing instrument can monitor frequency change situation, thus converses displacement transducer and monitor to obtain displacement.
Claims (4)
1. the anti-torsional displacement sensor of type vibration wire, is characterized in that: it comprises adjusting head (1), vibratory string adjustable side (2), vibratory string cavity (3), magnetic head coil (4), overcoat (5), string wire (6), to tune up end (7), spring (8), slide bar (9), slide cartridge (10), anti-twist pin (11), is provided with vibratory string adjustable side (2) in overcoat (5), vibratory string cavity (3), magnetic head coil (4) and string wire (6), vibratory string adjustable side (2) is threaded connection an adjusting head (1), string wire (6) is through vibratory string cavity (3), and its two ends are connected to vibratory string adjustable side (2) and tune up on end (7), string wire (6) is fixed by vibratory string adjustable side (2) by adjusting head (1), vibratory string cavity (3) has installed multiple magnetic head coil (4), end (7) of tuning up is connected with slide bar (9) by spring (8), and be together arranged in slide cartridge (10), (10) offer a pin hole to slide cartridge, slide bar (9) offers a chute (12), anti-twist pin (11) is arranged in the pin hole of slide cartridge (10), and is inserted in chute (12).
2. the anti-torsional displacement sensor of a kind of type vibration wire according to claim 1, is characterized in that: described vibratory string cavity (3) is sleeved in slide cartridge (10) near end (7) one end of tuning up.
3. the anti-torsional displacement sensor of a kind of type vibration wire according to claim 1, is characterized in that: described magnetic head coil (4) is two, and is symmetrically distributed in vibratory string cavity (3).
4. the anti-torsional displacement sensor of a kind of type vibration wire according to claim 1, is characterized in that: the signal wire of described magnetic head coil (4) is drawn from overcoat (5) inner side, uses for rear end Meter Test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689163.0U CN204128491U (en) | 2014-11-17 | 2014-11-17 | The anti-torsional displacement sensor of a kind of type vibration wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689163.0U CN204128491U (en) | 2014-11-17 | 2014-11-17 | The anti-torsional displacement sensor of a kind of type vibration wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204128491U true CN204128491U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420689163.0U Expired - Fee Related CN204128491U (en) | 2014-11-17 | 2014-11-17 | The anti-torsional displacement sensor of a kind of type vibration wire |
Country Status (1)
| Country | Link |
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| CN (1) | CN204128491U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507508A (en) * | 2018-06-15 | 2018-09-07 | 佛山科学技术学院 | A kind of strain gauge of limitation torsion angle |
| PL423008A1 (en) * | 2017-09-29 | 2019-04-08 | Instytut Mechaniki Górotworu Polskiej Akademii Nauk | Device for measuring relative displacements with a springy element in the form of a measuring string |
| CN109855527A (en) * | 2019-03-28 | 2019-06-07 | 东南大学 | A kind of auxiliary device for vibrating string extensometer installation |
| CN114136254A (en) * | 2021-11-01 | 2022-03-04 | 庆安集团有限公司 | Actuator piston rod rotatable external linear displacement sensor anti-torsion structure |
-
2014
- 2014-11-17 CN CN201420689163.0U patent/CN204128491U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL423008A1 (en) * | 2017-09-29 | 2019-04-08 | Instytut Mechaniki Górotworu Polskiej Akademii Nauk | Device for measuring relative displacements with a springy element in the form of a measuring string |
| CN108507508A (en) * | 2018-06-15 | 2018-09-07 | 佛山科学技术学院 | A kind of strain gauge of limitation torsion angle |
| CN109855527A (en) * | 2019-03-28 | 2019-06-07 | 东南大学 | A kind of auxiliary device for vibrating string extensometer installation |
| CN109855527B (en) * | 2019-03-28 | 2020-05-19 | 东南大学 | Auxiliary device for mounting vibrating wire strain gauge |
| CN114136254A (en) * | 2021-11-01 | 2022-03-04 | 庆安集团有限公司 | Actuator piston rod rotatable external linear displacement sensor anti-torsion structure |
| CN114136254B (en) * | 2021-11-01 | 2024-04-09 | 庆安集团有限公司 | Anti-torsion structure of external linear displacement sensor with rotatable actuator piston rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20211117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |