CN214793709U - Clamping device for shimmer image intensifier impact vibration test - Google Patents
Clamping device for shimmer image intensifier impact vibration test Download PDFInfo
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- CN214793709U CN214793709U CN202121140516.8U CN202121140516U CN214793709U CN 214793709 U CN214793709 U CN 214793709U CN 202121140516 U CN202121140516 U CN 202121140516U CN 214793709 U CN214793709 U CN 214793709U
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- vibration test
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Abstract
The utility model discloses a clamping device for shimmer image intensifier strikes vibration test can accomplish shimmer image intensifier's impact and vibration test process with one set of universal fixturing. The device mainly comprises a connecting bottom plate, a three-station main body, a pressure ring, a screw plug, an adaptive shell, an adaptive pressure ring, a positioning rod, a speed sensor, a charge amplifier, an oscilloscope and the like. The connecting bottom plate is used for connecting the three-station main body and the impact vibration test platform, the three-station main body is used for installing the image intensifier, the image intensifier meets different model size requirements of adaptation shell adaptation, the pressing ring or the adaptation pressing ring is placed above the image intensifier, the positioning rod which is tightly matched and installed on the pressing ring or the adaptation pressing ring is used for fixing the pressing ring or the adaptation pressing ring, the pressing ring or the adaptation pressing ring is prevented from rotating in the process of screwing the screw plug, and the screw plug is used for pressing the image intensifier fixedly above the pressing ring or the adaptation pressing ring. The design of this universal fixturing avoids the resonance frequency point of product and frock, can satisfy impact and vibration test requirement simultaneously.
Description
Technical Field
The utility model relates to a shimmer image intensifier's environmental test field especially relates to a clamping device that is used for shimmer image intensifier to strike vibration test, specifically is a can accomplish shimmer image intensifier's impact and vibration test process's universal fixturing.
Background
The image intensifier belongs to an electric vacuum device, consists of a plurality of optical devices and metal structural components, has more index parameters influencing the final output characteristic, and different batches of image intensifiers even in the same batch have the problem of consistency of the final output characteristic due to the difference of physical characteristics of used materials.
Moreover, the photoelectric device product has been mainly turned to function and technical indexes to comprehensively improve the comprehensive performance index of the product, and the quality characteristics, the use reliability and the durability of the product are continuously emphasized. The environmental stress test simulates the use environmental conditions of transportation, loading, falling and the like of the image intensifier, and checks the working stability, the scrapping failure possibility and the like of the image intensifier.
In the environmental stress test process or after the test, the failure conditions of electrical faults, mechanical damage and the like of the image intensifier need to be tested, the test process adopts a mode of combining full detection and counting sampling detection, and the quantity with a fixed proportion is randomly extracted to judge the failure possibility of the image intensifier, so that the overall stable state of stable operation of the image intensifier is ensured.
Method for testing impact vibration of low-light-level image intensifier
The impact test and the vibration test of the low-light-level image intensifier are respectively carried out on a drop table and a vibration table, during the impact test, the image intensifier is normally operated by adding working voltage, after 6 times of half sine wave impact is respectively carried out along the axis of the image intensifier and in the direction vertical to the axis, the image intensifier is not damaged, the phenomena of flashing, flickering, discharging and electric breakdown are avoided, the acceleration of the impact peak value is 500g, and the duration time of 10% of the peak value is 0.3ms +/-0.03 ms; in the vibration test, the image intensifier is not processed to be voltage non-radiation input, after sine wave vibration is carried out along the axis of the image intensifier and the vertical direction of the image intensifier, the image intensifier is not damaged, the vibration frequency is 5 Hz-3500 Hz, the frequency deviation is not more than +/-5%, the vibration time in each direction is 30min, and the maximum peak acceleration is 2.5 g.
In the traditional method, a clamping mode is independently designed on an impact test device and a vibration test device, only one image intensifier can be tested at one time, the test efficiency is low, and the clamping modes and tools of all pipe types are different, so that the field is disordered, and the operation time is long.
In summary, the prior art mainly has the following problems:
1. the traditional method has low operation efficiency, and only one image tube can be subjected to impact or vibration test at one time;
2. one clamp clamps a model product, and the model product needs to be replaced once when the model is replaced;
3. impact and vibration clamps are not universal, more and more clamps are used, and the form is disordered;
4. axial and radial testing is cumbersome to change.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists in the prior art, the utility model provides a have high efficiency, high accuracy, highly reliable, the easy impact and vibration universal fixturing of operating can accomplish shimmer image intensifier's impact and vibration test process with one set of universal fixturing. The design of this universal fixturing avoids the resonance frequency point of product and frock, can satisfy impact and vibration test requirement simultaneously.
The utility model discloses a clamping device for shimmer image intensifier impact vibration test comprises connecting bottom plate, three-station main body, clamping ring, plug screw, adaptation casing, adaptation clamping ring and locating lever; the utility model discloses a three-station image intensifier, including three station main parts, adapter ring, clamping ring or adaptation clamping ring, connecting bottom plate is used for connecting triplex position main part and test platform, the triplex position main part is used for installing the image intensifier or has installed the adaptation casing of the different model sizes of adaptation like the image intensifier, is clearance fit relation between triplex position main part, adaptation casing, the image intensifier three, places above the image intensifier behind clamping ring or adaptation clamping ring, the locating lever is installed with clamping ring or adaptation clamping ring tight fit and is used for fixed clamping ring or adaptation clamping ring, avoids clamping ring or adaptation clamping ring to screw up the in-process of plug screw is rotatory, behind the plug screw clamp ring or the adaptation clamping ring above clamping ring or the adaptation clamping ring, will like intensifier and adaptation casing to fix in the triplex position main part.
The connecting bottom plate is connected with the test table board and the three-station main body through screws, when an image intensifier of a T25 model is tested, the image intensifier is placed in the mounting hole of the three-station main body, the image intensifier is pressed by a pressing ring with a positioning rod, and the pressing ring and the image intensifier are pressed after being screwed down by a screw plug through threads; need earlier with the installation of adaptation casing like the intensifier when the like the intensifier of experimental T18 and T16 model, for clearance fit relation between three station main parts, adaptation casing, the image intensifier three, place above like the intensifier behind the adaptation clamping ring, the locating lever is installed with adaptation clamping ring tight fit and is used for fixed adaptation clamping ring, avoids the adaptation clamping ring to screw up the in-process of plug screw is rotatory, behind the plug screw compression adaptation clamping ring above the adaptation clamping ring, fixed like the intensifier and adaptation casing in three station main parts. The image intensifier with corresponding size can only be placed in the adaptation shell, otherwise, the image intensifier cannot be placed in or cannot be aligned with the installation hole, the adaptation press ring on the adaptation shell can only be matched according to size, otherwise, the image intensifier cannot be placed in or cannot be aligned with the installation hole.
The connecting bottom plate is provided with a step through hole and a threaded hole, the step through hole is used for connecting the impact vibration test platform, and the threaded hole is used for connecting and fixing the three-station main body. In order to adapt to impact or vibration platforms produced by different types and countries, the positions and the sizes of the step through holes are designed to be matched with the test platforms, and the threaded holes are fixedly designed to be connected with the unified three-station main body.
Wherein, the three-station body is used for installing the image intensifier, the T25 model can be directly installed, and the T18 and the T16 model need to use an adaptive shell. The three-station main body is provided with a step through hole in two directions, namely an axial direction and a radial direction, and is used for connecting with the connecting bottom plate; a power supply lead leading-out notch is reserved at the image intensifier mounting position of the three-station main body, so that the power supply lead of the image intensifier is conveniently electrified or the lead interference is avoided; a through hole is arranged below the mounting position of the three-station main body image intensifier, so that the image intensifier is conveniently ejected out, taken and placed; the groove on the three-station main body is used for positioning a positioning rod arranged on the compression ring or the adaptive compression ring; the threads at the position of the image intensifier mounting station on the three-station main body are used for pressing the compression ring or adapting the compression ring after being connected with the screw plug.
The screw plug is made of a material different from the three-station main body and is used for fixing the image intensifier after the compression ring is compressed. The four blind holes on the screw plug are used for screwing the clamp to screw the screw plug; the central through hole of the screw plug is used for adhering the acceleration sensor to the surface of the image intensifier.
The adaptive shell is used for adapting various image intensifiers of T18 and T16 models; the through hole on the adaptation casing is used for pointing to place and gets and put like the intensifier, and the fluting is used for the locating lever location of installation on the adaptation clamping ring.
Wherein, clamping ring and adaptation clamping ring are connected with the locating lever tight fit, the different adaptation casing of external diameter adaptation of adaptation clamping ring, and acceleration sensor can be pasted to the image intensifier on the surface to the central trompil of clamping ring and adaptation clamping ring, and the fluting on clamping ring or adaptation clamping ring can avoid the condition that the image intensifier terminal surface is qualified for the next round of competitions or the terminal surface has the power contact.
The acceleration sensor is adhered to any position of the three-station main body, and can also be adhered to the output end face of the image intensifier through a central through hole in the screw plug.
The utility model discloses beneficial effect than prior art includes:
1. the impact and vibration of various models of products are adapted to T25 (phi 52.2), T18 (phi 36.75, phi 43.1) and T16 (phi 32) through quick change of the inner sleeve.
2. Rapid lateral and longitudinal installation accomplishes the shock and vibration.
3. One set of clamp can realize impact and vibration test.
4. The traditional method needs operators to have abundant practical experience and operate skillfully to avoid confusion. Adopt the utility model discloses the general clamping mode of back is directly perceived visible, easy operation, and ordinary personnel can be competent at. And has the mistake proofing design, avoids the dress mistake anchor clamps.
5. But the quick connection bottom plate, the quick connection strikes the main part, quick installation test piece and fastening, the general clamping mode of quick replacement adapting piece, acceleration sensor use the metal glue to paste in anchor clamps optional position.
Drawings
FIG. 1: the utility model discloses a major structure schematic diagram that is used for shimmer image intensifier to strike clamping device of vibration test.
FIG. 2: the utility model discloses a clamping device assembly schematic diagram for shimmer image intensifier impact vibration test.
FIG. 3: and the assembly schematic diagram of the adapter shell and the adapter compression ring, wherein alpha represents the diameter (mm) of the T25 (phi 52.2), T18 (phi 36.75, phi 43.1) and T16 (phi 32) type image intensifiers.
FIG. 4: the installation schematic diagram of the low-light image intensifier.
In the figure: 1-three-station main body, 2-plug screw, 3-press ring, 4-M6 socket head cap screw, 5-M8 socket head cap screw, 6-connecting bottom plate, 7-adapting shell, 8-adapting press ring, 9-positioning rod, 10-acceleration sensor, 11-metal glue, 12-charge amplifier, 13-oscilloscope, 20-image intensifier, 21-image intensifier power line, 22-T25 image intensifier position, 30-impact vibration test bench and 40-tightening clamp.
Detailed Description
Example 1
As shown in fig. 1 and 2, the utility model discloses a general clamping device mainly comprises connecting bottom plate 6, three-station main part 1, plug screw 2, clamping ring 3, adaptation casing 7, adaptation clamping ring 8, locating lever 9, acceleration sensor 10, charge amplifier 12, oscilloscope 13 etc.. Connecting bottom plate 6 is used for connecting three-station main part 1 and impact vibration test platform 30, during the image intensifier 20 of experimental T25 model, install image intensifier 20 in three-station main part 1, place clamping ring 3 above the image intensifier 20, clamping ring 3 is used for fixing clamping ring 3 with the locating lever 9 of tight cooperation installation, avoid clamping ring 3 rotatory at the in-process of last screw plug 2 of tightening, place screw plug 2 above clamping ring 3, after using to tighten screw plug 2 with tightening clamp 40, clamping ring 3 compresses tightly on image intensifier 20, make image intensifier 20 compressed tightly to be fixed in three-station main part 1. When image intensifier 20 of experimental T18 and T16 model, image intensifier 20 is with the different model size requirements of adaptation casing 7 adaptation, place adaptation clamping ring 3 above the image intensifier 20, the locating lever 9 of adaptation clamping ring 8 tight fit installation is used for fixed adaptation clamping ring 8, avoid adaptation clamping ring 8 rotatory at the in-process of screwing up plug screw 2, place plug screw 2 above the adaptation clamping ring 8, use and screw up plug screw 2 after screwing up anchor clamps 40, adaptation clamping ring 8 compresses tightly on image intensifier 20, make like intensifier 20 and adaptation casing 7 compressed tightly to be fixed in three station main part 1.
During the test, the connection base plate 6 is fixed on the impact vibration test platform 30 through screws, and the three-station main body 1 is mounted on the connection base plate 6 through screws. When testing the image intensifier 20 of the T25 model, the image intensifier 20 is placed in the mounting hole of the three-station main body 1, the image intensifier 20 presses the image intensifier 20 by using the press ring 3 with the positioning rod 9, and the press ring 3 is pressed after being screwed by the screw plug 2 through the screwing clamp; as shown in fig. 3 and 4, when testing the T18 and T16 type image intensifiers 20, the image intensifier 20 is mounted by the adapter case 7, the adapter case 7 with the image intensifier 20 is placed in the mounting hole of the three-station body 1, the image intensifier 20 is pressed by the corresponding adapter pressing ring 8 with the positioning rod 9, the adapter pressing ring 8 is pressed by the screw plug 2 after being screwed by the screwing jig, the acceleration sensor 10 is adhered to the three-station body 1 by the metal adhesive, the signal line of the acceleration sensor 10 is connected to the charge amplifier 12, and the oscilloscope 13 is connected from the charge amplifier 12. After the test, the acceleration sensor 10 signals recorded in the oscilloscope 13 can read out the key information such as test acceleration, vibration frequency, time and the like for post-processing research.
Wherein, there are step through-hole and screw hole on connecting bottom plate 6, and the step through-hole is used for connecting impact vibration test platform 30, and the screw hole is used for three station main part 1's connection fixed. In order to adapt to impact or vibration platforms 30 produced in different types and countries, the positions and the sizes of the step through holes are designed to be matched with the test platforms, and the threaded holes are fixedly designed to be connected with the unified three-station main body 1.
Wherein the three-position body 1 is used for mounting the image intensifier 20, wherein the image intensifier 20 can be directly mounted when being T25 model, and the adapting shell 7 is needed when being T18 and T16 model. The three-station main body 1 is provided with a step through hole in two directions, namely an axial direction and a radial direction, and is used for connecting with the connecting bottom plate 6; an image intensifier power line 21 leading-out gap is reserved at the installation position of an image intensifier 20 of the three-station main body 1, so that the image intensifier power line 21 is conveniently electrified or the interference of a lead is avoided; a through hole is arranged below the mounting position of the image intensifier 20 of the three-station main body 1, so that the image intensifier 20 can be conveniently ejected out, taken and placed; the grooves in the three-station main body 1 are used for positioning by positioning rods 9 arranged on the pressure ring 3 or the adaptive pressure ring 8; the thread at the position of the installation position of the image intensifier 20 on the three-position main body 1 is used for pressing the press ring 3 or the adaptive press ring 8 after being connected with the screw plug 2.
The screw plug 2 is made of a material different from that of the three-station main body 1 and is used for pressing the pressing ring 3 or adapting the pressing ring 8 and then fixing the image intensifier 20. The four blind holes in the screw plug 2 are used for screwing the clamp to screw the screw plug 2; the central through hole of the screw plug 2 is used for adhering the acceleration sensor 10 to the surface of the image intensifier 20.
Wherein, the adapting shell 7 is used for adapting various image intensifiers 20 of T18 and T16 models; the through hole on the adaptation casing 7 is used for placing the image taking and placing intensifier 20 by fingers, and the slotting is used for positioning the adaptation clamping ring 8 by the positioning rod 9 arranged on the adaptation clamping ring 8.
Wherein, clamping ring 3 and adaptation clamping ring 8 are connected with 9 tight fits of locating lever, and clamping ring 3 and adaptation clamping ring 8's three station main parts of external diameter adaptation and different adaptation casing 7, the central trompil of clamping ring 3 and adaptation clamping ring 8 can paste acceleration sensor 10 to the image intensifier 20 on the surface, and the fluting on clamping ring 3 and adaptation clamping ring 8 can avoid the condition that image intensifier 20 terminal surface goes out the line or the terminal surface has the power contact.
The acceleration sensor 10 is adhered to any position of the three-station main body 1 by using a metal adhesive 11, and can also be adhered to the output end face of the image intensifier 20 through a blind hole on the screw plug 2; the output signal of the acceleration sensor 10 is amplified in the charge amplifier 12 and then is connected to the oscilloscope 13, and the oscilloscope 13 can record the signal curve of the whole test process and monitor the test acceleration and frequency of the image intensifier 20.
Example 2
As shown in fig. 1 and 2, the utility model discloses a general clamping device mainly comprises connecting bottom plate 6, three-station main part 1, plug screw 2, clamping ring 3, adaptation casing 7, adaptation clamping ring 8, locating lever 9, acceleration sensor 10, charge amplifier 12, oscilloscope 13 etc.. Connecting bottom plate 6 is used for connecting three-station main part 1 and impact vibration test platform 30, during the image intensifier 20 of experimental T25 model, install image intensifier 20 in three-station main part 1, place clamping ring 3 above the image intensifier 20, clamping ring 3 is used for fixing clamping ring 3 with the locating lever 9 of tight cooperation installation, avoid clamping ring 3 rotatory at the in-process of last screw plug 2 of tightening, place screw plug 2 above clamping ring 3, after using to tighten screw plug 2 with tightening clamp 40, clamping ring 3 compresses tightly on image intensifier 20, make image intensifier 20 compressed tightly to be fixed in three-station main part 1. When image intensifier 20 of experimental T18 and T16 model, image intensifier 20 is with the different model size requirements of adaptation casing 7 adaptation, place adaptation clamping ring 3 above the image intensifier 20, the locating lever 9 of adaptation clamping ring 8 tight fit installation is used for fixed adaptation clamping ring 8, avoid adaptation clamping ring 8 rotatory at the in-process of screwing up plug screw 2, place plug screw 2 above the adaptation clamping ring 8, use and screw up plug screw 2 after screwing up anchor clamps 40, adaptation clamping ring 8 compresses tightly on image intensifier 20, make like intensifier 20 and adaptation casing 7 compressed tightly to be fixed in three station main part 1.
During the test, the connection bottom plate 6 is fixed on the impact vibration test platform 30 through screws. When testing the image intensifier 20 of the T25 model, the image intensifier 20 is placed in the mounting hole of the three-station main body 1, the image intensifier 20 presses the image intensifier 20 by using the press ring 3 with the positioning rod 9, and the press ring 3 is pressed after being screwed by the screw plug 2 through the screwing clamp; as shown in fig. 3 and 4, in the test of the T18 and T16 image intensifier 20, the image intensifier 20 is mounted by the adapter case 7, the adapter case 7 with the image intensifier 20 is placed in the mounting hole of the three-position body 1, the image intensifier 20 is pressed by the corresponding adapter ring 8 with the positioning rod 9 on the image intensifier 20, and the adapter ring 8 is pressed by the screw 2 after being tightened by the tightening jig. The three-position body with the image intensifier 20 and pressed by the screw plug 2 is turned over by 90 degrees, so that the image intensifier is in the transverse direction, and then the three-position body 1 is installed on the connecting bottom plate 6 through screws. Then, the acceleration sensor 10 is adhered to the three-station main body 1 by metal glue, a signal line of the acceleration sensor 10 is connected to the charge amplifier 12, and the charge amplifier 12 is connected to the oscilloscope 13. After the test, the acceleration sensor 10 signals recorded in the oscilloscope 13 can read out the key information such as test acceleration, vibration frequency, time and the like for post-processing research.
Claims (10)
1. A clamping device for a shimmer image intensifier impact vibration test is characterized by comprising a connecting bottom plate, a three-station main body, a pressing ring, a screw plug, an adaptive shell, an adaptive pressing ring and a positioning rod; the utility model discloses a three-station image intensifier, including three station main parts, adapter ring, clamping ring or adaptation clamping ring, connecting bottom plate is used for connecting triplex position main part and test platform, the triplex position main part is used for installing the image intensifier or has installed the adaptation casing of the different model sizes of adaptation like the image intensifier, is clearance fit relation between triplex position main part, adaptation casing, the image intensifier three, places above the image intensifier behind clamping ring or adaptation clamping ring, the locating lever is installed with clamping ring or adaptation clamping ring tight fit and is used for fixed clamping ring or adaptation clamping ring, avoids clamping ring or adaptation clamping ring to screw up the in-process of plug screw is rotatory, behind the plug screw clamp ring or the adaptation clamping ring above clamping ring or the adaptation clamping ring, will like intensifier and adaptation casing to fix in the triplex position main part.
2. The clamping device for the impact vibration test of the micro-light image intensifier as recited in claim 1, further comprising an acceleration sensor, a charge amplifier and an oscilloscope, wherein the acceleration sensor is adhered to the three-station main body by metal adhesive, a signal line of the acceleration sensor is connected to the charge amplifier, and then the output of the charge amplifier is connected to the oscilloscope.
3. The clamping device for the impact vibration test of the micro-light image intensifier as claimed in claim 1 or 2, wherein the connecting bottom plate is provided with a step through hole and a threaded hole, the step through hole is used for connecting the impact vibration test platform, and the threaded hole is used for connecting and fixing the three-station main body.
4. The clamping device for the impact vibration test of the micro-optical image intensifier as claimed in claim 3, wherein the threaded hole connects the test table and the three-position main body by means of fastening screws.
5. The clamping device for the impact vibration test of the micro-optical image intensifier as claimed in claim 3, wherein the position and the size of the step through hole are designed to be matched with each test platform.
6. The clamping device for the impact vibration test of the micro-optical image intensifier as claimed in claim 1 or 2, wherein the three-station body is provided with a step through hole in both axial and radial directions.
7. The clamping device for the impact vibration test of the low-light-level image intensifier as claimed in claim 1 or 2, wherein a power supply lead leading-out notch is reserved at the image intensifier mounting position of the three-station main body, so that the power supply lead of the image intensifier is conveniently electrified and the lead interference is avoided; and a through hole is arranged below the mounting position of the three-station main body image intensifier, so that the image intensifier is conveniently ejected out, taken and placed.
8. The clamping device for the shimmer image intensifier impact vibration test is characterized in that a groove is formed in the three-station main body and used for installing a positioning rod on the compression ring or the adaptive compression ring.
9. The clamping device for the impact vibration test of the micro-light image intensifier as claimed in claim 1 or 2, wherein the pressing ring or the adaptive pressing ring is provided with a groove to avoid an outgoing line on the end face of the image intensifier or a power supply contact piece on the end face.
10. The clamping device for the impact vibration test of the low-light-level image intensifier as claimed in claim 2, wherein a central through hole is formed in the center of the screw plug, and an opening is formed in the center of the pressing ring, through which the acceleration sensor is attached to the surface of the image intensifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121140516.8U CN214793709U (en) | 2021-05-26 | 2021-05-26 | Clamping device for shimmer image intensifier impact vibration test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121140516.8U CN214793709U (en) | 2021-05-26 | 2021-05-26 | Clamping device for shimmer image intensifier impact vibration test |
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| Publication Number | Publication Date |
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| CN214793709U true CN214793709U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121140516.8U Active CN214793709U (en) | 2021-05-26 | 2021-05-26 | Clamping device for shimmer image intensifier impact vibration test |
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| Country | Link |
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| CN (1) | CN214793709U (en) |
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2021
- 2021-05-26 CN CN202121140516.8U patent/CN214793709U/en active Active
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