CN119291438A

CN119291438A - A kind of AlGaNGaN HEMT device performance testing device and its use method

Info

Publication number: CN119291438A
Application number: CN202411531948.XA
Authority: CN
Inventors: 陈丽香; 孙佳惟; 阙妙玲; 孙云飞
Original assignee: Suzhou University of Science and Technology
Current assignee: Suzhou University of Science and Technology
Priority date: 2024-10-30
Filing date: 2024-10-30
Publication date: 2025-01-10
Anticipated expiration: 2044-10-30
Also published as: CN119291438B

Abstract

The application relates to the technical field of semiconductor testing, in particular to a ALGANGAN HEMT device performance testing device and a using method thereof, comprising a machine table, wherein the upper surface of the machine table is fixedly connected with a bracket, the upper part of the front surface of the bracket is provided with a testing mechanism, the upper surface middle part of board is provided with the detection platform, and the upper surface edge of support is provided with protection subassembly, and the side of board is provided with electric putter, and electric putter's drive end fixedly connected with anchor clamps, the side of anchor clamps are provided with firm subassembly, and the inside of anchor clamps is provided with adjusting part. Compared with the prior art, the protective components are arranged on two sides of the machine table, the double-headed motor is used as a driving source, the first baffle plate and the second baffle plate are pushed to move forwards under the transmission of the transmission rod, the first gear and the first rack, the second baffle plate is limited by the second gear and the second rack to rotate around the sliding rod after moving to the designated position, and the periphery of a product to be detected is sealed by the enclosure formed by the second baffle plate and the first baffle plate, so that the protective effect is achieved.

Description

ALGANGAN HEMT device performance testing device and application method thereof

Technical Field

The invention relates to the technical field of semiconductor testing, in particular to a ALGANGAN HEMT device performance testing device and a using method thereof.

Background

The ALGANGAN HEMT device is a power device based on an aluminum gallium nitride (AlGaN) and gallium nitride (GaN) heterojunction structure, has excellent characteristics of high voltage resistance, high temperature resistance, radiation resistance, high electron mobility and the like, and a testing device is required to be used for testing the performance of a sample after the ALGANGAN HEMT device is produced.

Among the prior art, chinese patent document No. CN117783817B proposes a testing device in a semiconductor CP testing device, including a display and a detection box which are disposed on a workbench, the detection box is fixedly connected with a first electric push rod, the output end of the first electric push rod is fixedly connected with a probe row, the right side of the detection box is provided with a turntable feeding mechanism, the turntable feeding mechanism is detachably provided with a plurality of adsorption mechanisms for adsorbing wafers, the bottom of the detection box is laterally provided with a linear feeding mechanism along the left-right direction, the axis of the turntable feeding mechanism is perpendicular to and crossed with the axis of the linear feeding mechanism, and through the cooperation between the linear feeding mechanism, the turntable feeding mechanism and the adsorption mechanism, the efficiency of product detection can be effectively improved, but the detection of devices comprises a plurality of data detection, wherein part of detection may cause product collapse, and the scattered fragments are likely to injure staff by mistake, therefore, the application provides a ALGANGAN HEMT device performance testing device and a using method thereof, which can meet the requirement of omnibearing protection in the product detection process.

Disclosure of Invention

Therefore, the invention aims to provide a ALGANGAN HEMT device performance testing device and a use method thereof, so as to solve the problem that part of detection of products is broken to cause splashing.

Based on the above purpose, the invention provides a ALGANGAN HEMT device performance testing device, which comprises a machine table, wherein the upper surface of the machine table is fixedly connected with a bracket, the upper part of the front surface of the bracket is provided with a testing mechanism, the middle part of the upper surface of the machine table is provided with a detection table, the edge of the upper surface of the bracket is provided with a protection component, the side edge of the machine table is provided with an electric push rod, the driving end of the electric push rod is fixedly connected with a clamp, the side edge of the clamp is provided with a stabilizing component, and the inside of the clamp is provided with an adjusting component;

The protection component can enclose the fender to detecting the platform, firm subassembly is provided with two sets of and symmetric distribution in the both sides of anchor clamps, adjusting part acts on firm subassembly for adjust the distance between firm subassembly and the anchor clamps.

Preferably, the protection component comprises a positioning chute arranged on the upper surface of the machine table, a first baffle is connected to the inner part of the positioning chute in a sliding manner, a connecting shaft is fixedly connected to the top end of the first baffle, a second baffle is connected to the other end of the connecting shaft in a rotating manner, a sliding rod is fixedly connected to the bottom end of the second baffle, and the sliding rod is connected to the inner part of the positioning chute in a sliding manner.

Preferably, the rear side of support is provided with the double-end motor, the drive end fixedly connected with transfer line of double-end motor, the one end fixedly connected with gear one of keeping away from the double-end motor of transfer line, the rear side fixedly connected with rack one of first baffle, gear one is connected with rack one meshing.

Preferably, the outer surface fixed cover of slide bar is equipped with the gear two, the inner wall fixedly connected with rack two of location spout, gear two and rack two meshing are connected.

Preferably, the firm subassembly is including setting up the U template at the anchor clamps side, the inner wall of U template rotates and is connected with the axostylus axostyle, the surface fixedly connected with curb plate of axostylus axostyle, the surface of axostylus axostyle is kept away from curb plate department fixedly connected with push pedal.

Preferably, the inner wall fixedly connected with support of U template, the middle part activity of support is interluded there is the ejector pin, the surface fixedly connected with gag lever post of ejector pin, the surface cover of ejector pin is equipped with the spring, the one end fixed connection of spring is at the surface of gag lever post, and the other end fixed connection is at the surface of support.

Preferably, the upper surface of push pedal runs through and has seted up the spacing groove, gag lever post sliding connection is in the inside of spacing groove.

Preferably, the adjusting component comprises a worm inserted into the rear side of the clamp, a vertical plate is arranged in the clamp, a threaded sleeve is movably inserted into the middle of the vertical plate, a worm wheel is fixedly connected to the end part of the threaded sleeve, and the worm wheel is in meshed connection with the worm.

Preferably, the inside threaded connection of screw sleeve has the threaded rod, the one end fixed connection that the threaded rod stretches out screw sleeve is at the side of U template.

The application method of the testing device, which uses the ALGANGAN HEMT device performance testing device, is as follows:

S1, preparing, namely placing a device to be detected in the middle of a detection table, rotating a worm according to the size of the device to be detected, controlling and adjusting the positions of a stabilizing component and a clamp through an adjusting component to compound the size of the device, and checking the connection condition of a testing mechanism;

S2, protection, namely starting a protection component, wherein the first baffle and the second baffle can move forwards under the drive of the double-headed motor, and the second baffle is rotationally arranged at the front part of the machine platform after moving to a certain position, so that the protection component carries out enclosure protection on the detection platform;

s3, positioning, namely starting an electric push rod to drive a clamp to clamp a device to be detected, and enabling a stable assembly to stably clamp and position the device along with the operation of the clamp;

and S4, testing, namely starting a testing mechanism to detect various data of the device to be detected, and recording by staff according to the detection.

The invention has the beneficial effects that:

1. This kind ALGANGAN HEMT device capability test device utilizes the double-end motor as the actuating source through setting up the both sides of protection subassembly in the board, promotes first baffle and second baffle and moves forward under the transmission of transfer line, first and rack, and the second baffle receives the spacing of second and rack and can rotate round the slide bar after removing the assigned position, and the second baffle encloses the fender that forms with first baffle and seals the periphery of waiting to detect the product, reaches the effect of protection.

2. This kind ALGANGAN HEMT device capability test device through setting up firm subassembly in the both sides of anchor clamps, can promote the push pedal and drive the axostylus axostyle and rotate after the ejector pin contact device along with the anchor clamps, and the curb plate can be centre gripping in the side of product along with the axostylus axostyle rotation, and cooperation anchor clamps carry out four position location centre gripping to the product, guarantee that the product is located the central point of detecting the platform, have also improved the stability of product detection in-process centre gripping simultaneously.

3. This kind of ALGANGAN HEMT device capability test device through setting up adjusting part in the middle part of anchor clamps, rotates worm and can drive the worm wheel and rotate, and the worm wheel can drive screw sleeve synchronous rotation, and the threaded rod can follow screw sleeve with screw sleeve's rotation and slide out, and then can promote the U template of both sides to keep away from or be close to anchor clamps, has reached the effect of adjusting the size, has improved the suitability of device.

Drawings

In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;

FIG. 4 is a schematic view of a protective assembly according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;

FIG. 6 is a schematic view of the structure of the clamp of the present invention;

FIG. 7 is a schematic view of a stabilizing assembly according to the present invention;

FIG. 8 is a schematic view of the structure of the adjusting assembly of the present invention.

Marked in the figure as:

1. A machine table; 2, a bracket, 3, a testing mechanism, 4, a detection table, 501, a positioning chute, 502, a first baffle, 503, a second baffle, 504, a double-ended motor, 505, a transmission rod, 506, a gear I, 507, a rack I, 508, a connecting shaft, 509, a sliding rod, 510, a gear II, 511, a rack II, 6, an electric push rod, 7, a clamp, 801, a U-shaped plate, 802, a shaft rod, 803, a side plate, 804, a push plate, 805, a limit groove, 806, a support, 807, a push rod, 808, a limit rod, 809, a spring, 901, a worm, 902, a worm wheel, 903, a vertical plate, 904, a threaded sleeve, 905 and a threaded rod.

Detailed Description

The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1 to 8, a ALGANGAN HEMT device performance testing device comprises a machine table 1, wherein a support 2 is fixedly connected to the upper surface of the machine table 1, a testing mechanism 3 is arranged at the upper part of the front surface of the support 2, a detection table 4 is arranged in the middle of the upper surface of the machine table 1, a protection component is arranged at the edge of the upper surface of the support 2, an electric push rod 6 is arranged on the side edge of the machine table 1, a clamp 7 is fixedly connected to the driving end of the electric push rod 6, a stabilizing component is arranged on the side edge of the clamp 7, an adjusting component is arranged in the clamp 7, the protection component can enclose the detection table 4, the stabilizing components are provided with two groups and are symmetrically distributed on the two sides of the clamp 7, and the adjusting component acts on the stabilizing component to adjust the distance between the stabilizing component and the clamp 7;

the protection component operation can be treated detecting the product all around and seal, reaches the effect of protection, and the expansion size of adjusting clamp 7 is controlled through adjusting component according to the size of product, and electric putter 6 can promote clamp 7 and fix a position the product, and firm subassembly can assistance-localization real-time and improve the accuracy and the stability of location in the location process.

As shown in fig. 2 to 5, the protection component comprises a positioning chute 501 arranged on the upper surface of the machine 1, a first baffle 502 is slidingly connected in the positioning chute 501, a connecting shaft 508 is fixedly connected to the top end of the first baffle 502, a second baffle 503 is rotationally connected to the other end of the connecting shaft 508, a slide rod 509 is fixedly connected to the bottom end of the second baffle 503, the slide rod 509 is slidingly connected in the positioning chute 501, a double-headed motor 504 is arranged at the rear side of the bracket 2, a driving end of the double-headed motor 504 is fixedly connected with a driving rod 505, a first gear 506 is fixedly connected to one end of the driving rod 505 far away from the double-headed motor 504, a first rack 507 is fixedly connected to the rear side of the first baffle 502, the first gear 506 is in meshed connection with the first rack 507, a second gear 510 is fixedly sleeved on the outer surface of the slide rod 509, a second rack 511 is fixedly connected to the inner wall of the positioning chute 501, and the second gear 510 is in meshed connection with the second rack 511;

The double-end motor 504 drives the transmission rod 505 to rotate, the transmission rod 505 drives the gear I506 to rotate, the gear I506 is meshed with the rack I507, the gear I506 is utilized to drive the rack I507 to move and push the first baffle plate 502 to slide along the positioning chute 501, the second baffle plate 503 slides along with the positioning chute 501 under the action of the connecting shaft 508, when the slide bar 509 slides to the rack II 511 to be complete, the gear II 510 is meshed with the rack II 511, and then the gear II 510 and the slide bar 509 are driven to rotate, the second baffle plate 503 is synchronously driven to rotate, the second baffle plates 503 on two sides rotate towards the middle part of the machine table 1, the periphery of a product to be detected is sealed by the enclosure formed by the second baffle plate 503 and the first baffle plate 502, the protection effect is achieved, the situation of accidental injury of splashed objects caused by collapse in the detection process is avoided, and the detection safety is improved.

As shown in fig. 1, fig. 6 and fig. 7, the stabilizing component comprises a U-shaped plate 801 arranged on the side edge of the clamp 7, a shaft lever 802 is rotatably connected to the inner wall of the U-shaped plate 801, a side plate 803 is fixedly connected to the outer surface of the shaft lever 802, a push plate 804 is fixedly connected to the outer surface of the shaft lever 802 far away from the side plate 803, a support 806 is fixedly connected to the inner wall of the U-shaped plate 801, a top rod 807 is movably inserted in the middle of the support 806, a limit rod 808 is fixedly connected to the outer surface of the top rod 807, a spring 809 is sleeved on the outer surface of the top rod 807, one end of the spring 809 is fixedly connected to the outer surface of the limit rod 808, the other end of the spring 809 is fixedly connected to the outer surface of the support 806, a limit groove 805 is formed in a penetrating manner on the upper surface of the push plate 804, and the limit rod 808 is slidably connected to the inside the limit groove 805;

Along with the approach of the clamp 7, the ejector rod 807 slides towards the inside of the U-shaped plate 801 along the support 806, the limiting rod 808 slides in the limiting groove 805 and pushes the push plate 804 to drive the shaft lever 802 to rotate in the sliding process of the ejector rod 807, meanwhile, the spring 809 is extruded, the rotation of the shaft lever 802 drives the side edge to rotate towards the product direction, after the ejector rod 807 completely retracts into the inside of the U-shaped plate 801, the side plate 803 can be clamped on the side edge of the product, the clamp 7 is matched for positioning and clamping the product, the product is clamped in four directions of the product, the product can be ensured to be positioned at the central position of the detection table 4, and meanwhile, the clamping stability in the product detection process is improved.

As shown in fig. 1, 6 and 8, the adjusting assembly comprises a worm 901 inserted and arranged at the rear side of a clamp 7, a vertical plate 903 is arranged in the clamp 7, a threaded sleeve 904 is movably inserted in the middle of the vertical plate 903, a worm gear 902 is fixedly connected to the end part of the threaded sleeve 904, the worm gear 902 is in meshed connection with the worm 901, a threaded rod 905 is connected to the internal thread of the threaded sleeve 904, and one end of the threaded rod 905 extending out of the threaded sleeve 904 is fixedly connected to the side edge of the U-shaped plate 801;

The worm 901 can drive the worm gear 902 to rotate, the worm gear 902 can drive the threaded sleeve 904 to synchronously rotate, the threaded rod 905 can slide out of the threaded sleeve 904 along with the rotation of the threaded sleeve 904, and then the U-shaped plates 801 on two sides can be pushed away from or close to the clamp 7, the effect of adjusting the size is achieved, and the applicability of the device is improved.

S1, preparing, namely placing a device to be detected in the middle of a detection table 4, rotating a worm 901 according to the size of the device to be detected, controlling and adjusting the positions of a stabilizing component and a clamp 7 through an adjusting component to compound the size of the device, and checking the connection condition of a testing mechanism 3;

S2, protecting, namely starting a protecting component, wherein the first baffle plate 502 and the second baffle plate 503 can move forwards under the drive of the double-headed motor 504, and the second baffle plate 503 is rotatably arranged at the front part of the machine table 1 after moving to a certain position, so that the protecting component can protect the detecting table 4 in a surrounding way;

S3, positioning, namely starting an electric push rod 6 to drive a clamp 7 to clamp the device to be detected, and stably clamping and positioning the device by a stable assembly along with the operation of the clamp 7;

s4, testing, namely starting the testing mechanism 3 to detect various data of the device to be detected, and recording by staff according to the detection.

According to the technical scheme provided by the invention, during product detection, a product to be detected is placed on the detection table 4, then the protection component is started, the protection component operates to seal the periphery of the product to be detected, the protection effect is achieved, then the expansion size of the clamp 7 is controlled through the adjusting component according to the size of the product, then the clamp 7 is pushed by the electric push rod 6 to position the product, the stable component assists in positioning and improves the accuracy and stability of positioning in the positioning process, finally the test mechanism 3 is started to detect various performances of the product, because the specific test equipment structure and the test method of the test device are the prior art well known by the personnel in the field, too much description is not made here, the protection component is divided into two groups of protection components which are symmetrically arranged on two sides of the machine table 1, the double-headed motor 504 is started to drive the transmission rod 505 to rotate, the gear one 506 is meshed with the rack one 507 through the transmission rod 505, the gear one 506 is driven by the gear one 507 to move and push the first baffle 502 to slide along the positioning chute 501, the second baffle 503 slides under the action of the connecting shaft 508, and when the rack two racks 511 slide to be complete, the second baffle 510 and the second baffle 509 slide along with the positioning chute 509 slide, the second baffle 509 and the second baffle 503 slide along the two sides are driven by the second baffle 503, and the second baffle 503 slide down to rotate, and the two sides of the two baffle 503 are driven to rotate, and the second baffle 503 and the two side of the two baffle bodies rotate, and the second baffle 503 side is prevented from rotating, and the safety baffle is prevented from being damaged, and the safety condition, and the detection is caused by the second baffle is simultaneously;

In the process that the electric push rod 6 drives the clamp 7 to clamp and position the product, the ejector rod 807 can be firstly abutted to the outer surface of the product, along with the approach of the clamp 7, the ejector rod 807 can slide along the support 806 towards the inside of the U-shaped plate 801, the push plate 804 can slide in the limit groove 805 and push the push plate 804 to drive the shaft rod 802 to rotate, the spring 809 can be extruded simultaneously, the rotation of the shaft rod 802 can drive the side to rotate towards the product direction, after the ejector rod 807 is completely retracted into the inside of the U-shaped plate 801, the side plate 803 can be clamped on the side of the product, the clamp 7 is matched to clamp and position the product, the product is clamped in four directions, the product can be guaranteed to be located at the central position of the detection table 4, meanwhile, the stability of clamping in the product detection process is improved, and the like is required to loosen the product, the electric push rod 6 drives the clamp 7 to be far away from the product, the spring 809 rebounds to push the ejector rod 807 to extend out of the U-shaped plate 801, the push plate 808 pushes the push plate 802 to rotate, the side plate 804 is far away from the product, the next time is convenient to use, the worm 901 rotates when the product with the worm 901 is clamped, the worm is driven to rotate, the worm 901 in the worm is completely rotates, the worm is clamped in the direction, the worm is clamped in the worm is clamped along with the worm 901, the worm is completely rotates, the worm is driven by the worm threads 904, the worm rod 904, the worm is driven by the worm threads 904, and the threads 904 is driven by the threads 904 and is driven by the threads 904, and the threads 904 and is driven by the threads 904.

It will be appreciated by persons skilled in the art that the foregoing discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the invention (including the claims) is limited to these examples, that combinations of technical features in the foregoing embodiments or in different embodiments may be implemented in any order and that many other variations of the different aspects of the invention as described above may exist within the spirit of the invention, and that they are not provided in detail for clarity.

The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.

Claims

1. The ALGANGAN HEMT device performance testing device is characterized by comprising a machine table (1), wherein the upper surface of the machine table (1) is fixedly connected with a support (2), the upper part of the front surface of the support (2) is provided with a testing mechanism (3), the middle part of the upper surface of the machine table (1) is provided with a detection table (4), the edge of the upper surface of the support (2) is provided with a protection component, the side edge of the machine table (1) is provided with an electric push rod (6), the driving end of the electric push rod (6) is fixedly connected with a clamp (7), the side edge of the clamp (7) is provided with a stabilizing component, and the inside of the clamp (7) is provided with an adjusting component;

The protection component can enclose fender to detecting platform (4), firm subassembly is provided with two sets of and symmetric distribution in the both sides of anchor clamps (7), adjusting part acts on firm subassembly for adjust the distance between firm subassembly and anchor clamps (7).

2. The ALGANGAN HEMT device performance testing apparatus according to claim 1, wherein the protection component includes a positioning chute (501) formed on an upper surface of the machine table (1), a first baffle (502) is slidably connected in the positioning chute (501), a connecting shaft (508) is fixedly connected to a top end of the first baffle (502), a second baffle (503) is rotatably connected to the other end of the connecting shaft (508), a slide bar (509) is fixedly connected to a bottom end of the second baffle (503), and the slide bar (509) is slidably connected in the positioning chute (501).

3. The ALGANGAN HEMT device performance testing apparatus according to claim 2, wherein a double-headed motor (504) is disposed at the rear side of the bracket (2), a driving end of the double-headed motor (504) is fixedly connected with a driving rod (505), one end of the driving rod (505) far away from the double-headed motor (504) is fixedly connected with a first gear (506), a first rack (507) is fixedly connected at the rear side of the first baffle (502), and the first gear (506) is meshed with the first rack (507).

4. The ALGANGAN HEMT device performance testing apparatus according to claim 3, wherein the outer surface of the slide bar (509) is fixedly sleeved with a second gear (510), the inner wall of the positioning slide groove (501) is fixedly connected with a second rack (511), and the second gear (510) is meshed with the second rack (511).

5. The ALGANGAN HEMT device performance testing apparatus as defined in claim 4, wherein the stabilizing assembly includes a U-shaped plate (801) disposed on a side of the fixture (7), an inner wall of the U-shaped plate (801) is rotatably connected with a shaft (802), an outer surface of the shaft (802) is fixedly connected with a side plate (803), and an outer surface of the shaft (802) is far away from the side plate (803) and is fixedly connected with a push plate (804).

6. The ALGANGAN HEMT device performance testing apparatus according to claim 5, wherein the inner wall of the U-shaped board (801) is fixedly connected with a support (806), a top rod (807) is movably inserted in the middle of the support (806), a limit rod (808) is fixedly connected with the outer surface of the top rod (807), a spring (809) is sleeved on the outer surface of the top rod (807), one end of the spring (809) is fixedly connected with the outer surface of the limit rod (808), and the other end of the spring is fixedly connected with the outer surface of the support (806).

7. The ALGANGAN HEMT device performance testing apparatus as claimed in claim 6, wherein the upper surface of the push plate (804) is provided with a limit groove (805) in a penetrating manner, and the limit rod (808) is slidably connected inside the limit groove (805).

8. The ALGANGAN HEMT device performance testing apparatus according to claim 7, wherein the adjusting component comprises a worm (901) inserted into the rear side of the fixture (7), a vertical plate (903) is arranged in the fixture (7), a threaded sleeve (904) is movably inserted into the middle of the vertical plate (903), a worm wheel (902) is fixedly connected to the end portion of the threaded sleeve (904), and the worm wheel (902) is in meshed connection with the worm (901).

9. The ALGANGAN HEMT device performance test apparatus as defined in claim 8, wherein the threaded sleeve (904) is internally threaded with a threaded rod (905), and one end of the threaded rod (905) extending beyond the threaded sleeve (904) is fixedly connected to the side of the U-shaped board (801).

10. A method of using the ALGANGAN HEMT device performance testing apparatus of claim 9, the method of using comprising:

s1, preparing, namely placing a device to be detected in the middle of a detection table (4), rotating a worm (901) according to the size of the device to be detected, controlling and adjusting the positions of a stabilizing component and a clamp (7) through an adjusting component to compound the size of the device, and checking the connection condition of a testing mechanism (3);

S2, protecting, namely starting a protecting component, wherein the first baffle (502) and the second baffle (503) can move forwards under the drive of the double-headed motor (504), and the second baffle (503) is rotationally arranged at the front part of the machine table (1) after moving to a certain position, so that the protecting component can protect the detection table (4) in a surrounding way;

S3, positioning, namely starting an electric push rod (6) to drive a clamp (7) to clamp the device to be detected, and enabling the stable assembly to stably clamp and position the device along with the operation of the clamp (7);

S4, testing, namely starting a testing mechanism (3) to detect various data of the device to be detected, and recording by staff according to the detection.