CN214418638U - Transducer assembly fixing device - Google Patents
Transducer assembly fixing device Download PDFInfo
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- CN214418638U CN214418638U CN202120290419.0U CN202120290419U CN214418638U CN 214418638 U CN214418638 U CN 214418638U CN 202120290419 U CN202120290419 U CN 202120290419U CN 214418638 U CN214418638 U CN 214418638U
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- transducer
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- jack
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Abstract
The utility model discloses a transducer assembly fixing device. Wherein, the device includes: the device comprises a base, a support rod, an upper cover plate and a fixing nut; the upper cover plate is parallel to the base and is positioned at the top of the base; the supporting rods are provided with a plurality of supporting rods and are used for fixedly connecting the upper cover plate and the edge of the base; the fixing nuts correspond to the supporting rods one by one and are used for fixedly connecting the upper cover plate and the supporting rods; the middle part of the upper cover plate is provided with a mounting hole for fixing the transducer through a bolt; the pressing force of the bolt is adjusted by rotating a torque wrench; and a jack mounting hole for fixing the hoisting device is formed in the middle of the upper surface of the base. Through the utility model discloses, the inhomogeneous problem of transducer atress among the prior art has been solved for transducer prestressing force size can accurate control.
Description
Technical Field
The utility model relates to a transducer assembly technical field particularly, relates to a transducer assembly fixing device.
Background
In the process of assembling the sandwich type piezoelectric ceramic transducer, a plurality of processes have great influence on the performance of the transducer, wherein the magnitude of the prestress has great influence on the performance of the transducer, if the prestress is too small, the expansion stress generated in the working process of the transducer may be larger than the prestress, so that great energy loss is generated between contact surfaces of the transducer, the electromechanical conversion efficiency of the transducer is reduced, the piezoelectric ceramic can be cracked to damage the transducer in serious cases, and on the other hand, if the prestress is too large, the vibration of the piezoelectric ceramic can be influenced, and the piezoelectric ceramic can also be cracked sometimes. How to achieve accurate control of the pre-stress has been a key point in the transducer assembly process. Therefore, the transducer needs to be fixed to ensure that the stress of the transducer is uniform, and accurate control of the prestress of the transducer is ensured.
Aiming at the problem of inaccurate prestress of the transducer caused by uneven stress of the transducer in the prior art, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an in provide a transducer assembly fixing device to solve among the prior art transducer atress inhomogeneous transducer prestressing force unsafe problem that leads to.
In order to solve the technical problem, the utility model provides a transducer assembly fixing device, which comprises a base, a support rod, an upper cover plate and a fixing nut;
the upper cover plate is parallel to the base and is positioned at the top of the base;
the supporting rods are provided with a plurality of supporting rods and are used for fixedly connecting the upper cover plate and the edge of the base;
the fixing nuts correspond to the supporting rods one by one and are used for fixedly connecting the upper cover plate and the supporting rods;
the middle part of the upper cover plate is provided with a mounting hole for fixing the transducer through a bolt;
the pressing force of the bolt is adjusted by rotating a torque wrench; and a jack mounting hole for fixing the hoisting device is formed in the middle of the upper surface of the base.
Alternatively to this, the first and second parts may,
the parallelism of the upper cover plate and the base is not more than 0.03 mm.
Alternatively to this, the first and second parts may,
the lifting device comprises a jack and a tray; the hoisting device is used for ejecting the transducer.
The energy converter is jacked open by the jack through the tray;
wherein the jack has a range of 4-5 times the pre-stress of the transducer.
Alternatively to this, the first and second parts may,
the transducer includes: a rear cover plate and a front amplifying plate; the rear cover plate is connected with the base through a flange plate
The preposed amplifying plate;
the jack comprises a jack extension end;
the extending end of the jack jacks the preamplification plate through the tray;
the outer diameter of the extending end of the jack is larger than or equal to that of the front amplifying plate.
Optionally, the method further includes: an adjustment device;
the adjusting device comprises: the pressure gauge, the manual pressurizing rod and the hydraulic pump;
and the manual pressurizing rod is communicated with the outer wall of the hydraulic pump and is used for adjusting the prestress of the energy converter in real time according to the pressure value of the pressure gauge.
Optionally, the method further includes: a connecting device;
the connecting device includes: a high-pressure hose and a high-pressure tee;
the jack, the high-pressure hose, the high-pressure tee joint and the hydraulic pump are sequentially connected;
the pressure gauge is connected with the joint of the high-pressure tee.
The utility model has the advantages that: the utility model provides a transducer assembling and fixing device, which comprises a base, a support rod, an upper cover plate and a fixing nut; the upper cover plate is parallel to the base and is positioned at the top of the base; the supporting rods are provided with a plurality of supporting rods and are used for fixedly connecting the upper cover plate and the edge of the base; the fixing nuts correspond to the supporting rods one by one and are used for fixedly connecting the upper cover plate and the supporting rods; the middle part of the upper cover plate is provided with a mounting hole for fixing the transducer through a bolt; the pressing force of the bolt is adjusted by rotating a torque wrench; and a jack mounting hole for fixing the hoisting device is formed in the middle of the upper surface of the base. The problem of among the prior art transducer atress inhomogeneous is solved for transducer prestressing force can accurate control. Further, the utility model provides an adjusting device, the size of control transducer prestressing force that can be accurate.
Drawings
Fig. 1 is a schematic structural diagram of a transducer assembly fixing device according to an embodiment of the present invention.
Description of the symbols:
1-base, 2-support rod, 3-upper cover plate, 4-fixing nut, 5-transducer, 51-rear cover plate, 52-prepositive amplifying plate, 6-mounting hole, 7-tray, 8-jack, 81-extending end of jack, 9-mounting hole of jack, 10-pressure gauge, 11-manual pressure bar, 12-hydraulic pump, 13-high pressure hose and 14-high pressure tee.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.
The following describes in detail alternative embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a transducer mounting and fixing device according to an embodiment of the present invention, as shown in fig. 1, the device includes:
the device comprises a base 1, a support rod 2, an upper cover plate 3 and a fixing nut 4; the upper cover plate 3 is parallel to the base 1 and is positioned at the top of the base 1; the plurality of support rods 2 are used for fixedly connecting the upper cover plate 3 and the edge of the base 1; the fixing nuts 4 correspond to the support rods 2 one by one and are used for fixedly connecting the upper cover plate 3 with the support rods 4; the middle part of the upper cover plate 3 is provided with a mounting hole 6 for fixing the transducer 5 through a bolt; the pressing force of the bolt is adjusted by rotating a torque wrench; and a jack mounting hole 9 for fixing the hoisting device is formed in the middle of the upper surface of the base 1.
In the prior art, the transducer is directly jacked by the jack, the stress of the transducer is easy to be uneven, therefore, the utility model designs a transducer assembly fixing device, firstly fixing the transducer 5, namely, a base 1, a support rod 2, an upper cover plate 3 and a fixing nut 4 are arranged, and the transducer 5 is fixed through a mounting hole 6 arranged in the middle of the upper cover plate, through this mounting hole 6, the pressing force of the bolt in the transducer 5 can be adjusted using a torque wrench, and a jack mounting hole 9 for fixing the hoisting device is arranged in the middle of the upper surface of the base 1, wherein, the base 1 and the upper cover plate 3 can be square, pentagon, hexagon, etc., which is not limited by the utility model, but the upper surface of the base 1 is ensured to correspond to the lower surface of the upper cover plate 3, and the support rod 2 is correspondingly and fixedly connected with the upper cover plate 3 and the edge of the base 1; the energy converter 5 is fixed through the fixing device, so that the stability of the energy converter 5 is ensured, and the stress of a magnetic ring in the energy converter 5 is uniform; the stress of the magnetic ring in the energy converter 5 is uniform, and the accurate control of the prestress of the energy converter 5 can be further ensured.
On the basis of the above embodiment, the parallelism between the upper cover plate 3 and the base 1 is not more than 0.03 mm.
The depth of parallelism refers to the parallel degree of two planes or two straight lines, indicates the maximum allowable value of error that a plane (limit) is parallel for another plane (limit), the utility model discloses in, guarantee upper cover plate 3 with the depth of parallelism of base 1 is no longer than 0.03 mm. That is, to ensure that the maximum allowable value of the error of the parallelism between the bottom surface of the upper cover plate 3 and the top surface of the base 1 is not more than 0.03mm,
the parallelism is controlled well, so that the magnetic ring in the energy converter 5 can be uniformly stressed.
It is further optimized for the lifting device, i.e. the lifting device comprises a jack 8 and a pallet 7; the lifting device is used for ejecting the transducer 5. The jack 8 jacks the transducer 5 through the tray 7; wherein the jack 8 has a range of 4-5 times the prestress of the transducer 5.
The jack 8 is a light and small lifting device which uses a rigid jacking piece as a working device and jacks a heavy object through the top tray 7. In the prior art, the jacks 8 are large, and are heavy to work. And the utility model discloses in according to transducer 5 chooses for use the less jack 8 of model, the utility model provides a transducer 5 prestressing force is 2.5 tons, in order to guarantee accurate control transducer 5 prestressing force size, therefore the range of the jack 8 of choosing for use is 10 tons-12.5 tons, if the jack 8 range of choosing for use is too big or undersize, then transducer 5 prestressing force measured is inaccurate.
Further optimized on the basis of the above embodiment, the transducer 5 comprises: a rear cover plate 51 and a front amplification plate 52; the rear cover plate 51 is connected with the front amplifying plate 52 through a flange plate; the jack 8 comprises a jack extension end 81; the extending end 81 of the jack jacks the front amplifying plate 52 through the tray 7; the outer diameter of the jack extension end 81 is greater than or equal to the outer diameter of the front amplifying plate 52.
The jack 8 is used for jacking the transducer 5, and the outer diameter of the jack extending end 81 at the top of the jack 8 is ensured to be larger than or equal to the outer diameter of the front amplifying plate 52 at the bottom of the transducer 5, so that the whole bottom of the front amplifying plate 52 is stressed uniformly.
In order to accurately control the prestress of the transducer 5, the utility model is also provided with an adjusting device; the adjusting device comprises: a pressure gauge 10, a manual pressurizing rod 11 and a hydraulic pump 12; the manual pressurizing rod 11 is communicated with the outer wall of the hydraulic pump 12 and is used for adjusting the prestress of the transducer 5 in real time according to the pressure value of the pressure gauge 10.
The hydraulic pump 12 is used for providing the power supply for the device, and earlier quick manual pressure pole 11 of use pressurizes, observes pressure size through manometer 10, works as when numerical value on the manometer 10 is 20MPa, carries out the step-by-step pressure regulating value of 2MPa again, with pressure transfer to about 30MPa can, promptly transducer 5 is last to have two binding post, will through two test cables two binding post are connected with impedance analysis appearance, impedance analysis appearance is used for measuring the frequency value of transducer, works as when the numerical value of manometer 10 is 20MPa, 11 slow pressurizations of manual pressure pole this moment observe the frequency value of impedance analysis appearance, work as when the frequency value reaches the requirement, can stop the pressurization, the pressure value that corresponds when the frequency value reaches the requirement is exactly transducer 5's prestressing force. The value of the pressure gauge 10 is about 30 MPa. Through the adjusting device, the prestress of the transducer 5 can be accurately controlled, the situation that the transducer 5 is too small in prestress to cause large energy loss between contact surfaces of the transducer 5 is prevented, the electromechanical conversion efficiency of the transducer 5 is reduced, and meanwhile, the situation that the transducer 5 is broken due to too large prestress can be prevented.
Further optimized on the basis of the above embodiment, the apparatus further includes: a connecting device; the connecting device includes: a high-pressure hose 13 and a high-pressure tee 14; the jack 8, the high-pressure hose 13, the high-pressure tee 14 and the hydraulic pump 12 are sequentially connected; the pressure gauge 10 is connected with the joint of the high-pressure tee 14.
The hydraulic pump 12 is connected with the jack 8 through a high-pressure hose 13 and a high-pressure tee 14, and is used for providing a power source for the device, wherein the high-pressure tee 14 is provided with three joints, a first joint of the high-pressure tee 14 is connected with the hydraulic pump 12, a second joint of the high-pressure tee 14 is connected with an oil pipe of the jack 8 through the high-pressure hose 13, and a third joint of the high-pressure tee 14 is connected with the pressure gauge 10. The hoisting device can be connected with the adjusting device through the connecting device, so that the prestress of the transducer 5 can be accurately measured.
A transducer assembly process of the present invention is described below by a preferred embodiment:
1. the prestressing force which needs to be applied to the transducer 5 is confirmed before assembly;
2. fixing the confirmed transducer 5 by a fixing device, and placing the transducer 5 above a jack 8 through a tray 7;
3. installing the jack 8 in the jack installation hole 9;
4. the jack 8 is connected with an adjusting device through a connecting device;
5. rapidly pressurizing by using a manual pressurizing rod 11, observing the pressure by using a pressure gauge 10, carrying out 2MPa stepping type micro-pressure regulating value when the pressure value reaches 20MPa, and stopping pressurizing after the pressure value reaches a specified value;
6. the transducer 5 is fastened through the mounting hole 6, pressure relief operation is carried out after the fastening is finished, the transducer 5 is taken down from the tray 7, and the application of the prestress of the transducer 5 is finished.
The utility model has the advantages that: the utility model provides a transducer assembling and fixing device, which comprises a base, a support rod, an upper cover plate and a fixing nut; the upper cover plate is parallel to the base and is positioned at the top of the base; the supporting rods are provided with a plurality of supporting rods and are used for fixedly connecting the upper cover plate and the edge of the base; the fixing nuts correspond to the supporting rods one by one and are used for fixedly connecting the upper cover plate and the supporting rods; the middle part of the upper cover plate is provided with a mounting hole for fixing the transducer through a bolt; the pressing force of the bolt is adjusted by rotating a torque wrench; and a jack mounting hole for fixing the hoisting device is formed in the middle of the upper surface of the base. The problem of among the prior art transducer atress inhomogeneous is solved for transducer prestressing force can accurate control. Further, the utility model provides an adjusting device, the size of control transducer prestressing force that can be accurate.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A transducer assembling and fixing device comprises a base, a support rod, an upper cover plate and a fixing nut; the method is characterized in that:
the upper cover plate is parallel to the base and is positioned at the top of the base;
the supporting rods are provided with a plurality of supporting rods and are used for fixedly connecting the upper cover plate and the edge of the base;
the fixing nuts correspond to the supporting rods one by one and are used for fixedly connecting the upper cover plate and the supporting rods;
the middle part of the upper cover plate is provided with a mounting hole for fixing the transducer through a bolt;
the pressing force of the bolt is adjusted by rotating a torque wrench;
and a jack mounting hole for fixing the hoisting device is formed in the middle of the upper surface of the base.
2. The apparatus of claim 1, wherein:
the parallelism of the upper cover plate and the base is not more than 0.03 mm.
3. The apparatus of claim 1, wherein:
the lifting device comprises a jack and a tray; the hoisting device is used for jacking the transducer;
the energy converter is jacked open by the jack through the tray;
wherein the jack has a range of 4-5 times the pre-stress of the transducer.
4. The apparatus of claim 3, wherein:
the transducer includes: a rear cover plate and a front amplifying plate; the rear cover plate is connected with the front amplifying plate through a flange plate;
the jack comprises a jack extension end;
the extending end of the jack jacks the preamplification plate through the tray;
the outer diameter of the extending end of the jack is larger than or equal to that of the front amplifying plate.
5. The apparatus of claim 4, further comprising: an adjustment device;
the adjusting device comprises: the pressure gauge, the manual pressurizing rod and the hydraulic pump;
and the manual pressurizing rod is communicated with the outer wall of the hydraulic pump and is used for adjusting the prestress of the energy converter in real time according to the pressure value of the pressure gauge.
6. The apparatus of claim 5, further comprising: a connecting device;
the connecting device includes: a high-pressure hose and a high-pressure tee;
the jack, the high-pressure hose, the high-pressure tee joint and the hydraulic pump are sequentially connected; the pressure gauge is connected with the joint of the high-pressure tee.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120290419.0U CN214418638U (en) | 2021-02-02 | 2021-02-02 | Transducer assembly fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120290419.0U CN214418638U (en) | 2021-02-02 | 2021-02-02 | Transducer assembly fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214418638U true CN214418638U (en) | 2021-10-19 |
Family
ID=78071393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120290419.0U Active CN214418638U (en) | 2021-02-02 | 2021-02-02 | Transducer assembly fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214418638U (en) |
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2021
- 2021-02-02 CN CN202120290419.0U patent/CN214418638U/en active Active
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