CN214066002U - Vibrating wire type displacement sensor - Google Patents
Vibrating wire type displacement sensor Download PDFInfo
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- CN214066002U CN214066002U CN202023179669.1U CN202023179669U CN214066002U CN 214066002 U CN214066002 U CN 214066002U CN 202023179669 U CN202023179669 U CN 202023179669U CN 214066002 U CN214066002 U CN 214066002U
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Abstract
The utility model discloses a vibrating wire formula displacement sensor, which comprises an outer sleeve, the inside left end cover of overcoat is equipped with the regulation head, the inside right-hand member cover of overcoat is equipped with the slide cartridge, the cover is equipped with vibrating wire and adjusts the end between the inside of regulation head and the inside of overcoat, the inside of overcoat just is located vibrating wire and adjusts the right side of end and be equipped with the vibrating wire cavity, the inside of vibrating wire cavity just is located the right side cover that the vibrating wire adjusted the end and is equipped with the magnetic head coil. The utility model discloses a one side at another monitoring object is fixed with the second fixed plate to two fixed covers of second, and first fixed cover is rotated at first through-hole inside, and second fixing bolt rotates in the inside of second through-hole, and the inside of second screw thread section screw thread rotation income second screw thread cover again, and the both ends of sensor are fixed in the both sides of monitoring the environment fast, improve the stability of sensor monitoring, thereby improve the true accuracy of sensor monitoring data, and can dismantle fast, improve monitoring efficiency.
Description
Technical Field
The utility model relates to a displacement sensor technical field specifically is a vibrating string formula displacement sensor.
Background
The displacement sensor is also called as linear sensor, it is a metal induction linear device, the sensor is used to convert various measured physical quantities into electric quantity, in the course of production, the measurement of displacement is generally divided into two kinds of measurement object size and mechanical displacement, according to the different form of measured variable conversion, the displacement sensor can be divided into analog type and digital type, the analog type can be divided into two kinds of physical type and structural type, the common displacement sensor is mostly in analog type structure type, including potentiometer type displacement sensor, inductive type displacement sensor, synchro, capacitance type displacement sensor, electric eddy current type displacement sensor, Hall type displacement sensor, etc., an important advantage of the digital displacement sensor is that it is convenient to directly send the signal into computer system, the sensor is developed rapidly, and its application is increasingly extensive.
The vibrating wire cavity of the existing vibrating wire type displacement sensor does not have the positioning design and the anti-twisting function, and does not have the positioning design, and the fixed wire end is pulled out along with a spring in the using process, so that the radial displacement of the sensor can be generated, the tail end of a steel wire is not firmly installed, the steel wire cannot be quickly installed and quickly disassembled, the vibration frequency fluctuates, and the output signal is unstable, so that the real accuracy of actual measurement data is influenced.
Therefore, it is necessary to provide a vibrating wire displacement sensor to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vibrating wire formula displacement sensor to solve the unable quick fixed mounting of prior art's measuring end, lead to the problem that measurement of efficiency reduces.
In order to achieve the above object, the utility model provides a following technical scheme: a vibrating wire type displacement sensor comprises an outer sleeve, wherein an adjusting head is sleeved at the left end inside the outer sleeve, a sliding cylinder is sleeved at the right end inside the outer sleeve, a vibrating wire adjusting end is sleeved between the inside of the adjusting head and the inside of the outer sleeve, a vibrating wire cavity is arranged inside the outer sleeve and on the right side of the vibrating wire adjusting end, a magnetic head coil is sleeved inside the vibrating wire cavity and on the right side of the vibrating wire adjusting end, a fixed wire end is sleeved inside the sliding cylinder, a steel wire is arranged at the left end of the fixed wire end, the left end of the steel wire sequentially penetrates through the magnetic head coil and the vibrating wire adjusting end and extends into the vibrating wire adjusting end, sliding grooves are formed in the top and the bottom of the inner wall of the sliding cylinder, torsion-proof pins are slidably connected inside the sliding cylinders, sliding rods are fixedly connected between the opposite sides of the torsion-proof pins, springs are sleeved between the fixed wire end and the opposite ends of the sliding rods, the left side of the surface of the adjusting head is provided with a first thread section, the left side of the surface of the adjusting head is connected with a first thread sleeve through the first thread section in a threaded manner, the left side of the first thread sleeve is rotatably connected with a first fixing plate, the top and the bottom of one side of the first fixing plate are both provided with first through holes, the first fixing plate is provided with a first fixing sleeve through two first through holes, the first fixing sleeve is provided with a first fixing bolt through two first fixing sleeves, the right side of the surface of the sliding rod is provided with a second thread section, the right side of the surface of the sliding rod is connected with a second thread sleeve through the second thread section in a threaded manner, the right side of the second thread sleeve is rotatably connected with a second fixing plate, the top and the bottom of one side of the second fixing plate are both provided with second through holes, and the second fixing sleeve is provided with a second fixing sleeve through two second through holes, and second fixing bolts penetrate through the two second fixing sleeves.
Preferably, the first fixing sleeve is in contact with the first fixing plate, and the second fixing sleeve is in contact with the second fixing plate. Preferably, the first fixing sleeve is fixedly connected with the first fixing bolt, and the second fixing sleeve is fixedly connected with the second fixing bolt. Preferably, one end of the vibrating wire cavity, which is close to the fixed wire end, is sleeved on the sliding cylinder. Preferably, the number of the magnetic head coils is two, and the magnetic head coils are symmetrically distributed in the vibrating wire cavity. Preferably, the signal wire of the magnetic head coil is led out from the inner side of the outer sleeve for testing of a back end instrument.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the vibrating wire type displacement sensor is characterized in that two first fixing bolts are rotatably installed into one side of a monitored object, so that the first fixing plates are fixed on one side of the monitored object through two first fixing sleeves, then a first thread section is spirally rotated in alignment with the first thread sleeve, one end of the sensor is fixed together with one side of the monitored object, then two second fixing bolts are rotated into the other side of the monitored object, so that the second fixing plates are fixed on one side of another monitored object through two second fixing sleeves, the first fixing sleeves are rotated in the first through hole, the second fixing bolts are rotated in the second through hole, then the threads of the second thread section are rotated into the second thread sleeve, the two ends of the sensor are quickly fixed on the two sides of a monitored environment, the monitoring stability of the sensor is improved, and the truth accuracy of monitoring data of the sensor is improved, and can dismantle fast, improve monitoring efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a vibrating wire displacement sensor according to the present invention;
FIG. 2 is a front view of the outer cover of FIG. 1;
FIG. 3 is a schematic side view of the structure of the slide cartridge shown in FIG. 1;
FIG. 4 is a schematic side view of the first fixing plate shown in FIG. 1;
fig. 5 is a schematic side view of the second fixing plate shown in fig. 1.
In the figure: 1. an adjustment head; 2. a vibrating wire adjusting end; 3. a vibrating wire cavity; 4. a head coil; 5. A jacket; 6. steel wire; 7. a string fixing end; 8. a spring; 9. a slide bar; 10. a slide cylinder; 11. a torsion-proof pin; 12. a chute; 13. a first thread segment; 14. a first threaded sleeve; 15. a first fixing plate; 16. a first through hole; 17. a first fixing sleeve; 18. a first fixing bolt; 19. a second thread segment; 20. a second threaded sleeve; 21. a second fixing plate; 22. a second through hole; 23. A second fixing sleeve; 24. and a second fixing bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a vibrating wire type displacement sensor comprises an outer sleeve 5, wherein an adjusting head 1 is sleeved at the left end inside the outer sleeve 5, a sliding cylinder 10 is sleeved at the right end inside the outer sleeve 5, a vibrating wire adjusting end 2 is sleeved between the inside of the adjusting head 1 and the inside of the outer sleeve 5, a vibrating wire cavity 3 is arranged inside the outer sleeve 5 and on the right side of the vibrating wire adjusting end 2, a magnetic head coil 4 is sleeved inside the vibrating wire cavity 3 and on the right side of the vibrating wire adjusting end 2, a fixed wire end 7 is sleeved inside the sliding cylinder 10, a steel wire 6 is arranged at the left end of the fixed wire end 7, the left end of the steel wire 6 sequentially penetrates through the magnetic head coil 4 and the vibrating wire adjusting end 2 and extends into the vibrating wire adjusting end 2, sliding grooves 12 are respectively formed in the top and the bottom of the inner wall of the sliding cylinder 10, torsion preventing pins 11 are respectively connected inside the sliding cylinder 10 in a sliding mode, a sliding rod 9 is fixedly connected between the opposite sides of the torsion preventing pins 11, a spring 8 is sleeved between the opposite end of the fixed string end 7 and the slide rod 9, a first thread section 13 is arranged on the left side of the surface of the adjusting head 1, the left side of the surface of the adjusting head 1 is in threaded connection with a first thread sleeve 14 through the first thread section 13, the left side of the first thread sleeve 14 is rotatably connected with a first fixing plate 15, first through holes 16 are respectively formed in the top and the bottom of one side of the first fixing plate 15, first fixing sleeves 17 are respectively penetrated through the first through holes 16 on the first fixing plate 15, first fixing bolts 18 are respectively penetrated through the first fixing sleeves 17, a second thread section 19 is arranged on the right side of the surface of the slide rod 9, a second thread sleeve 20 is in threaded connection with the right side of the surface of the slide rod 9 through the second thread section 19, a second fixing plate 21 is rotatably connected with the right side of the second thread sleeve 20, and second through holes 22 are respectively formed in the top and the bottom of one side of the second fixing plate 21, a second fixing sleeve 23 penetrates through the second fixing plate 21 through two second through holes 22, and a second fixing bolt 24 penetrates through the second fixing sleeve 23.
The first fixing sleeve 17 is in contact with the first fixing plate 15, and the second fixing sleeve 23 is in contact with the second fixing plate 21.
The first fixing sleeve 17 is fixedly connected with the first fixing bolt 18, and the second fixing sleeve 23 is fixedly connected with the second fixing bolt 24.
One end of the vibrating wire cavity 3 close to the fixed wire end 7 is sleeved on the sliding cylinder 10.
The number of the magnetic head coils 4 is two, and the magnetic head coils are symmetrically distributed in the vibrating wire cavity 3.
And a signal wire of the magnetic head coil 4 is led out from the inner side of the outer sleeve 5 for testing of a rear end instrument.
The working principle is as follows: when the device is used, two first fixing bolts 18 are rotatably installed into one side of a monitored object, so that a first fixing plate 15 is fixed to one side of the monitored object through two first fixing sleeves 17, then the first thread section 13 is spirally rotated in alignment with the first thread sleeve 14, so that one end of a sensor is fixed to one side of the monitored object, then two second fixing bolts 24 are rotated into the other side of the monitored object, so that a second fixing plate 21 is fixed to one side of the other monitored object through two second fixing sleeves 23, the first fixing sleeves 17 are rotated inside the first through holes 16, the second fixing bolts 24 are rotated inside the second through holes 22, and then the second thread section 19 is rotated inside the second thread sleeve 20, so that when the monitored environment is deformed and displacement is generated, the slide rod 9 is pulled out along the slide cylinder 10 and is acted by a spring force, the fixed string end 7 generates displacement, and the internal stress of the steel string 6 is changed; when an external test instrument of the displacement sensor is connected to a sensor test signal wire, the magnetic head coil 4 is excited to generate a magnetic field, and the steel string 6 vibrates under the action of the magnetic field; when the sensor monitors that the displacement changes, the internal stress of the steel string 6 changes, the vibration frequency changes, the external test instrument can monitor the frequency change situation, the displacement monitored by the displacement sensor is converted, when the sensor is not used, the first thread section 13 and the second thread section 19 can rotate out of the inner parts of the first thread sleeve 14 and the second thread sleeve 20 through reverse rotation, and then the first fixing bolt 18 and the second fixing bolt 24 rotate out of the inner part of the monitored object through reverse rotation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A vibrating wire displacement sensor, includes overcoat (5), its characterized in that: the left end in the outer sleeve (5) is sleeved with an adjusting head (1), the right end in the outer sleeve (5) is sleeved with a sliding cylinder (10), a vibrating wire adjusting end (2) is sleeved between the inside of the adjusting head (1) and the inside of the outer sleeve (5), a vibrating wire cavity (3) is arranged in the outer sleeve (5) and on the right side of the vibrating wire adjusting end (2), a magnetic head coil (4) is sleeved in the vibrating wire cavity (3) and on the right side of the vibrating wire adjusting end (2), a fixed wire end (7) is sleeved in the sliding cylinder (10), a steel wire (6) is arranged at the left end of the fixed wire end (7), the left end of the steel wire (6) sequentially penetrates through the magnetic head coil (4) and the vibrating wire adjusting end (2) and extends to the inside of the vibrating wire adjusting end (2), sliding grooves (12) are formed in the top and the bottom of the inner wall of the sliding cylinder (10), two equal sliding connection in inside of slide cartridge (10) has anti-twist pin (11), two fixedly connected with slide bar (9) between the relative one side of anti-twist pin (11), the cover is equipped with spring (8) between the relative one end of fixed string end (7) and slide bar (9), the left side of adjusting head (1) surface is equipped with first screw thread section (13), the left side of adjusting head (1) surface has first thread cover (14) through first screw thread section (13) threaded connection, the left side rotation of first thread cover (14) is connected with first fixed plate (15), first through hole (16) has all been seted up to the top and the bottom of first fixed plate (15) one side, all pass through two on first fixed plate (15) first through hole (16) run through have first fixed cover (17), two first fixed cover (17) run through have first fixing bolt (18), the right side on slide bar (9) surface is equipped with second screw thread section (19), the right side on slide bar (9) surface has second thread sleeve (20) through second screw thread section (19) threaded connection, the right side of second thread sleeve (20) is rotated and is connected with second fixed plate (21), second through hole (22) have all been seted up to the top and the bottom of one side of second fixed plate (21), all run through the fixed cover of second (23), two through two second through holes (22) on second fixed plate (21) all run through second fixing bolt (24) on the fixed cover of second (23).
2. A vibrating wire displacement transducer according to claim 1, wherein: the first fixing sleeve (17) is in contact with the first fixing plate (15), and the second fixing sleeve (23) is in contact with the second fixing plate (21).
3. A vibrating wire displacement transducer according to claim 1, wherein: the first fixing sleeve (17) is fixedly connected with a first fixing bolt (18), and the second fixing sleeve (23) is fixedly connected with a second fixing bolt (24).
4. A vibrating wire displacement transducer according to claim 1, wherein: one end of the vibrating wire cavity (3) close to the fixed wire end (7) is sleeved on the sliding cylinder (10).
5. A vibrating wire displacement transducer according to claim 1, wherein: the number of the magnetic head coils (4) is two, and the magnetic head coils are symmetrically distributed in the vibrating wire cavity (3).
6. A vibrating wire displacement transducer according to claim 1, wherein: and a signal wire of the magnetic head coil (4) is led out from the inner side of the outer sleeve (5) for testing of a rear-end instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023179669.1U CN214066002U (en) | 2020-12-25 | 2020-12-25 | Vibrating wire type displacement sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023179669.1U CN214066002U (en) | 2020-12-25 | 2020-12-25 | Vibrating wire type displacement sensor |
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| CN214066002U true CN214066002U (en) | 2021-08-27 |
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| CN202023179669.1U Active CN214066002U (en) | 2020-12-25 | 2020-12-25 | Vibrating wire type displacement sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945426A (en) * | 2021-01-29 | 2021-06-11 | 西南石油大学 | Vibrating wire sensor and stress displacement testing method |
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2020
- 2020-12-25 CN CN202023179669.1U patent/CN214066002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945426A (en) * | 2021-01-29 | 2021-06-11 | 西南石油大学 | Vibrating wire sensor and stress displacement testing method |
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