CN214953250U - Driving device through nonlinear evaluation of resonant frequency - Google Patents
Driving device through nonlinear evaluation of resonant frequency Download PDFInfo
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- CN214953250U CN214953250U CN202121580541.8U CN202121580541U CN214953250U CN 214953250 U CN214953250 U CN 214953250U CN 202121580541 U CN202121580541 U CN 202121580541U CN 214953250 U CN214953250 U CN 214953250U
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- pressure sensor
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Abstract
The utility model relates to a resonance detects technical field, especially relates to a drive arrangement through nonlinear aassessment of resonance frequency, including the chassis, one side fixedly connected with first riser at chassis top to the opposite side fixedly connected with second riser at chassis top, the top fixedly connected with pressure sensor that first riser is close to second riser one side to pressure sensor keeps away from the first bracket of one side fixedly connected with of first riser, the first piezoelectric transducer of one side fixedly connected with that pressure sensor was kept away from to first bracket, wear to establish the groove has been seted up at the inside top of second riser to the inside of wearing to establish the groove is provided with the regulating plate. The utility model discloses a set up pressure sensor and carry out the centre gripping pressure detection in first piezoelectric transducer side pressurized side, usable main control system sets for pressure parameter, promotes by main control system control hydraulic push rod and keeps setting for clamping pressure, guarantees that the centre gripping dynamics is unanimous, improves centre gripping operating efficiency.
Description
Technical Field
The utility model relates to a resonance detects technical field, especially relates to a drive arrangement through nonlinear assessment of resonant frequency.
Background
The ultrasonic resonance technology adopts a contact piezoelectric transducer to excite a sample material through a series of resonant frequencies, and adopts one or more contact piezoelectric transducers to carry out data acquisition, and the acquired data, together with some basic initial reference data and accurate size data of the sample analyzed by a set of special software can know some basic material parameters of the sample, in particular can deduce the material parameters by using the acquired measuring frequency and the initial reference data.
Need carry out the centre gripping to being detected the material among the ultrasonic resonance testing process, the clamping force degree is too tight too loose and all will influence the detection precision, need frequently to change in the testing process by the material clamping position that is detected, changes the clamping position and all need spend more time to realize the control regulation to the clamping force degree to the centre gripping operation of different materials, influences detection efficiency.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solve the above-mentioned problems of the prior art and to provide a driving device that is non-linearly evaluated by a resonant frequency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a driving device for non-linear evaluation through resonance frequency comprises an underframe, wherein a first vertical plate is fixedly connected to one side of the top of the underframe, a second vertical plate is fixedly connected to the other side of the top of the underframe, a pressure sensor is fixedly connected to the top of the first vertical plate, which is close to one side of the second vertical plate, a first bracket is fixedly connected to one side of the pressure sensor, which is far away from the first vertical plate, a first piezoelectric transducer is fixedly connected to one side of the first bracket, which is far away from the pressure sensor, a through groove is formed in the top of the inner part of the second vertical plate, an adjusting plate is arranged in the through groove, a mounting groove is formed in one side of the adjusting plate, which is close to the first vertical plate, a hydraulic push rod is fixedly connected to the inner part of the mounting groove, a second bracket is fixedly connected to the movable end of the hydraulic push rod, and a second piezoelectric transducer is fixedly connected to one side of the second bracket, which is far away from the hydraulic push rod, a locking mechanism is arranged between the top of the second vertical plate and the adjusting plate, and the front face of the first vertical plate is fixedly connected with a control host.
Preferably, the locking mechanism comprises a locking bolt in threaded connection with the second vertical plate, a threaded hole matched with the locking bolt is formed in the top of the second vertical plate, and the bottom of the threaded hole is communicated with the top of the penetrating groove.
Preferably, one side of the first vertical plate is fixedly connected with a transverse supporting plate, and the bottom of the pressure sensor and the bottom of the first bracket are both in sliding connection with the top of the transverse supporting plate.
Preferably, the top and the bottom of the adjusting plate, which are close to one side of the first vertical plate, are provided with guide holes, a balance rod is arranged in each guide hole, and one end of each balance rod is fixedly connected with one side of the second bracket.
Preferably, the pressure sensor is in bidirectional connection with the control host, and the output end of the control host is connected with the input end of the hydraulic push rod.
Preferably, one side of the adjusting plate, which is far away from the first vertical plate, is provided with a hand groove.
The utility model discloses possess following beneficial effect at least:
through set up pressure sensor and carry out clamping pressure detection in first piezoelectric transducer side pressurized side, usable control host computer settlement pressure parameter, promote by control host computer control hydraulic push rod and keep setting for clamping pressure, guarantee that the centre gripping dynamics is unanimous, improve centre gripping operating efficiency, the regulating plate through mobile regulation can the distance between two piezoelectric transducers of quick control, realize the quick matching to different specification materials, reinforcing centre gripping application scope.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a front view of the structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a partial schematic view of the internal structure of the adjusting plate of the present invention.
In the figure: 1. a chassis; 2. a first vertical plate; 3. a second vertical plate; 4. a pressure sensor; 5. a first bracket; 6. a first piezoelectric transducer; 7. a groove is arranged in a penetrating way; 8. an adjusting plate; 9. mounting grooves; 10. a hydraulic push rod; 11. a second bracket; 12. a second piezoelectric transducer; 13. a control host; 14. locking the bolt; 15. a threaded hole; 16. a horizontal supporting plate; 17. a guide hole; 18. a balancing pole; 19. and (4) a hand groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, a driving device for non-linear evaluation through resonance frequency comprises an underframe 1, a first vertical plate 2 is fixedly connected to one side of the top of the underframe 1, a second vertical plate 3 is fixedly connected to the other side of the top of the underframe 1, a pressure sensor 4 is fixedly connected to the top of one side of the first vertical plate 2 close to the second vertical plate 3, a first bracket 5 is fixedly connected to one side of the pressure sensor 4 far away from the first vertical plate 2, a first piezoelectric transducer 6 is fixedly connected to one side of the first bracket 5 far away from the pressure sensor 4, a through groove 7 is formed in the top of the inside of the second vertical plate 3, an adjusting plate 8 is arranged inside the through groove 7, an installation groove 9 is formed in one side of the adjusting plate 8 close to the first vertical plate 2, a hydraulic push rod 10 is fixedly connected to the inside of the installation groove 9, and a second bracket 11 is fixedly connected to the movable end of the hydraulic push rod 10, and one side of the second bracket 11 far away from the hydraulic push rod 10 is fixedly connected with a second piezoelectric transducer 12, a locking mechanism is arranged between the top of the second vertical plate 3 and the adjusting plate 8, the front face of the first vertical plate 2 is fixedly connected with a control host 13, and the first piezoelectric transducer 6 and the second piezoelectric transducer 12 keep horizontal collineation.
The scheme has the following working processes:
when in use, the adjusting plate 8 is moved according to the size of the measured material, the locking bolt 14 is screwed after the clamping ends of the first piezoelectric transducer 6 and the second piezoelectric transducer 12 keep a distance slightly larger than the measured material, the adjusting plate 8 is fixed, clamping parameters are set through the control host 13 according to material characteristics, a tested material is placed between the first piezoelectric transducer 6 and the second piezoelectric transducer 12 and then is started to be clamped, the hydraulic push rod 10 pushes the second bracket 11 and the second piezoelectric transducer 12 to move towards one side of the first piezoelectric transducer 6, pressure is given to the pressure sensor 4 after the material is clamped, the pressure sensor 4 feeds a detection value back to the control host 13, the control host 13 compares the feedback value with a set parameter value, the stroke of the hydraulic push rod 10 is kept until the feedback value is combined with the set parameter value range, the clamping operation of the tested material is achieved, and an ultrasonic resonance detection program can be carried out.
Further, locking mechanism includes locking bolt 14 with 3 threaded connection of second riser, and threaded hole 15 with locking bolt 14 matched with is seted up at the top of second riser 3, and the bottom of threaded hole 15 is linked together with the top of wearing to establish groove 7, compresses tightly regulating plate 8 after locking bolt 14 screws, realizes compressing tightly the injectting to regulating plate 8.
Further, one side fixedly connected with of first riser 2 is violently held in the palm board 16 to pressure sensor 4 and the bottom of first bracket 5 all with the top sliding connection of violently holding in the palm board 16, violently holding in the palm board 16 is used for bearing pressure sensor 4, the weight of first bracket 5 and first piezoelectric transducer 6, avoids pressure sensor 4 to bear the shear force.
Further, guiding hole 17 has all been seted up to top and the bottom that regulating plate 8 is close to first riser 2 one side to the inside of guiding hole 17 is provided with balancing pole 18, and one side fixed connection of one end of balancing pole 18 and second bracket 11, balancing pole 18 strengthen second piezoelectric transducer 12's displacement operating stability, bear second bracket 11 and second piezoelectric transducer 12's weight simultaneously, avoid hydraulic push rod 10 expansion end to bear the shear force.
Further, the pressure sensor 4 is connected with the control host 13 in a bidirectional mode, the output end of the control host 13 is connected with the input end of the hydraulic push rod 10, the control host 13 controls the pressure sensor 4 to operate and detect, the pressure sensor 4 detects a pressure value and feeds the pressure value back to the control host 13, and the control host 13 controls the stroke of the hydraulic push rod 10 according to the condition of the feedback pressure value.
Furthermore, one side of the adjusting plate 8, which is far away from the first vertical plate 2, is provided with a hand groove 19, and the hand groove 19 facilitates adjustment operation of the adjusting plate 8.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A driving device for non-linear evaluation through resonance frequency comprises a base frame (1) and is characterized in that a first vertical plate (2) is fixedly connected to one side of the top of the base frame (1), a second vertical plate (3) is fixedly connected to the other side of the top of the base frame (1), a pressure sensor (4) is fixedly connected to the top of one side, close to the second vertical plate (3), of the first vertical plate (2), a first bracket (5) is fixedly connected to one side, far away from the first vertical plate (2), of the pressure sensor (4), a first piezoelectric transducer (6) is fixedly connected to one side, far away from the pressure sensor (4), a through groove (7) is formed in the top of the inside of the second vertical plate (3), an adjusting plate (8) is arranged inside the through groove (7), an installing groove (9) is formed in one side, close to the first vertical plate (2), of the adjusting plate (8), and the inside fixedly connected with hydraulic rod (10) of mounting groove (9), the expansion end fixedly connected with second bracket (11) of hydraulic rod (10) to one side fixedly connected with second piezoelectric transducer (12) of hydraulic rod (10) are kept away from in second bracket (11), be provided with locking mechanism between the top of second riser (3) and regulating plate (8), the positive fixedly connected with control host (13) of first riser (2).
2. A driving device according to claim 1, wherein the locking mechanism comprises a locking bolt (14) screwed with the second riser (3), the top of the second riser (3) is provided with a threaded hole (15) matched with the locking bolt (14), and the bottom of the threaded hole (15) is communicated with the top of the through groove (7).
3. A drive device according to claim 1, characterised in that a transverse support plate (16) is fixedly connected to one side of the first riser (2), and the pressure sensor (4) and the bottom of the first bracket (5) are both in sliding connection with the top of the transverse support plate (16).
4. The driving device according to claim 1, wherein the adjusting plate (8) has guide holes (17) formed at the top and bottom of the side thereof adjacent to the first vertical plate (2), and a balance bar (18) is disposed inside the guide holes (17), and one end of the balance bar (18) is fixedly connected to one side of the second bracket (11).
5. A drive device by non-linear evaluation of the resonance frequency according to claim 1, characterized in that the pressure sensor (4) is connected in both directions to the control unit (13) and the output of the control unit (13) is connected to the input of the hydraulic ram (10).
6. A drive device according to claim 1, characterised in that the side of the adjusting plate (8) remote from the first riser (2) is provided with a hand groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580541.8U CN214953250U (en) | 2021-07-13 | 2021-07-13 | Driving device through nonlinear evaluation of resonant frequency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580541.8U CN214953250U (en) | 2021-07-13 | 2021-07-13 | Driving device through nonlinear evaluation of resonant frequency |
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| CN214953250U true CN214953250U (en) | 2021-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609245A (en) * | 2022-05-10 | 2022-06-10 | 西南交通大学 | Array type ultrasonic guided wave instrument, steel structure damage monitoring system and method |
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2021
- 2021-07-13 CN CN202121580541.8U patent/CN214953250U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609245A (en) * | 2022-05-10 | 2022-06-10 | 西南交通大学 | Array type ultrasonic guided wave instrument, steel structure damage monitoring system and method |
| CN114609245B (en) * | 2022-05-10 | 2022-08-23 | 西南交通大学 | Array type ultrasonic guided wave instrument, steel structure damage monitoring system and method |
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