CN115327173A - Degree of freedom adjustable thunderbolt test fixture - Google Patents
Degree of freedom adjustable thunderbolt test fixture Download PDFInfo
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- CN115327173A CN115327173A CN202210854933.1A CN202210854933A CN115327173A CN 115327173 A CN115327173 A CN 115327173A CN 202210854933 A CN202210854933 A CN 202210854933A CN 115327173 A CN115327173 A CN 115327173A
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- support
- rotating shaft
- rotating
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- test fixture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a lightning stroke test fixture with adjustable freedom degree, which comprises a simulation antenna, a connecting mechanism and a multi-angle rotating mechanism, wherein the simulation antenna is connected to the connecting mechanism, the connecting mechanism is arranged on the multi-angle rotating mechanism, and the multi-angle rotating mechanism is used for adjusting the rotating angles of the connecting mechanism in different directions. The invention can effectively solve the problem that the electromagnetic functional structural member needs to be manually moved when the angle of the electromagnetic functional structural member is changed in a lightning stroke test. The electromagnetic functional structural member is designed through a mechanical structure, so that time and labor are saved, and the operation is convenient and fast.
Description
Technical Field
The invention belongs to the technical field of lightning stroke test process equipment, and relates to a lightning stroke test clamp with adjustable freedom degree.
Background
After the electromagnetic functional structural member (such as a radome) is manufactured, an antenna needs to be simulated for a lightning stroke test, and then the lightning stroke resistance of the electromagnetic functional structural member is tested. When a lightning stroke test is carried out, the lightning stroke resistance of the antenna at different angles and the lightning stroke resistance of the electromagnetic functional structural part at different angles are generally required to be simulated, and the lightning stroke resistance are ensured by tools.
The angle change of a common electromagnetic functional structural part requires a person to manually move the electromagnetic functional structural part to a certain fixed angle and then fix the electromagnetic functional structural part in a bolt mode, and the mode has the disadvantages of high labor intensity, inconvenient operation and possible damage to the electromagnetic functional structural part.
Disclosure of Invention
The invention aims to provide a lightning stroke test fixture with adjustable freedom degree, which mainly solves the problem that the electromagnetic functional structural member needs to be manually moved when the angle of the electromagnetic functional structural member is changed in a lightning stroke test.
In order to realize the task, the invention adopts the following technical scheme:
a lightning stroke test fixture with adjustable freedom degree comprises a simulation antenna I, a connecting mechanism II and a multi-angle rotating mechanism III, wherein the simulation antenna I is installed on the connecting mechanism II, and the connecting mechanism II is installed on the multi-angle rotating mechanism III;
simulation antenna I includes simulation wavefront, pivot support, end cover, upper bracket, undersetting, first pivot, first stop screw, second stop screw, wherein:
the upper support is of a door-shaped structure, the analog array surface is arranged on the upper surface of the upper support, the lower end of the upper support is connected with the front end surface and the rear end surface of the rotating shaft support through a first rotating shaft, and the upper support can rotate relative to the rotating shaft support;
the left side surface and the right side surface of the rotating shaft support are symmetrically provided with two fixed shafts, the top of the lower support is provided with a semicircular hole matched with the fixed shafts, and the rotating shaft support is arranged at the upper part of the lower support through the fixed shafts; first limit screws are arranged on the left side surface and the right side surface of the rotating shaft support and positioned on two sides of the end cover so as to limit the rotating range of the rotating shaft support relative to the lower support; second limiting screws are arranged on the front end face and the rear end face of the rotating shaft support and positioned on two sides of the support arm of the upper support and used for limiting the rotating range of the upper support relative to the lower support;
the connecting mechanism II comprises a profile supporting piece, an analog antenna mounting ring and a rotating mechanism connecting disc; the upper part of the rotary mechanism connecting disc is provided with a cross-shaped bracket, each end part of the bracket is provided with the profile supporting piece, and the profile supporting pieces are used for installing the antenna housing; the simulation antenna mounting ring is fixed on the upper part of the cross-shaped bracket and is coaxially arranged with the rotary mechanism connecting disc, a hole is formed in the simulation antenna mounting ring for mounting a simulation antenna I, and a hole is formed in the rotary mechanism connecting disc for mounting a connecting mechanism II on a flange of the rotary mechanism;
and the multi-angle rotating mechanism III is used for adjusting the rotating angles of the connecting mechanism II in different directions.
Further, multi-angle rotating mechanism III includes flange, Z axle reduction gear, X axle reduction gear, hand wheel, pivot seat, runing rest, second pivot, shaft coupling and activity chassis, wherein:
the flange is connected to an output shaft of the Z-axis speed reducer and is used for installing and fixing a rotary mechanism connecting disc of the connecting mechanism II; the Z-axis reducer is installed on the rotating bracket through a screw, and a hand wheel is installed on an input shaft of the Z-axis reducer; the rotary support is installed on the rotary shaft seat through a second rotary shaft, one end of the second rotary shaft is coaxially connected with the coupler, the other end of the coupler is connected with an output shaft of the X-axis speed reducer through a key and a screw, the X-axis speed reduction input shaft is provided with a hand wheel, the X-axis speed reducer is installed on the movable chassis, and the rotary shaft seat is installed on the movable chassis through a screw.
Furthermore, the rotating shaft seat comprises a large supporting plate and a small supporting plate, a plurality of fixing holes are distributed on the large supporting plate along the arc shape, positioning holes matched with the fixing holes are formed in the rotating support, and the rotating support is fixed in position relative to the rotating shaft seat through the positioning pins penetrating through the positioning holes and the fixing holes.
Furthermore, the bottom of the movable chassis is provided with universal wheels.
Furthermore, the electromagnetic functional structural part can rotate 360 degrees around the Z axis through the rotation of the Z-axis reducer and can be self-locked; the rotation of the electromagnetic functional structural member within +/-90 degrees in a YZ plane is realized through the rotation of the X-axis speed reducer, and the accurate positioning within +/-90 degrees is realized through the alignment of the hole on the rotating shaft seat and the hole on the rotating bracket and the mode of the bolt; the combination of various angles is realized through the linkage of the Z-axis speed reducer and the X-axis speed reducer.
Furthermore, a second stop bolt is arranged on the upper support, and the front end of the second stop bolt is abutted against the front end face and the rear end face of the rotating shaft support by rotating the second stop bolt, so that the simulation array surface can be fixed relative to the rotating shaft support; the lower support is provided with a first stop bolt, and the front end of the first stop bolt is abutted against the left side surface and the right side surface of the rotating shaft support through rotating the first stop bolt, so that the rotating shaft support can be fixed relative to the lower support.
Furthermore, a semicircular end cover is arranged on the fixed shaft, and the fixed shaft penetrates through the end cover and the lower support through bolts and is limited in a mounting hole formed by the end cover and the semicircular hole.
Furthermore, the bottom surface of the lower support is provided with a mounting hole for mounting the analog antenna I on the analog antenna mounting ring of the connecting mechanism II.
Compared with the prior art, the invention has the following technical characteristics:
the invention can effectively solve the problem that the electromagnetic functional structural member needs to be manually moved when the angle of the electromagnetic functional structural member is changed in a lightning stroke test. The electromagnetic functional structural member is designed through a mechanical structure, so that time and labor are saved, and the operation is convenient and fast.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of an analog antenna I;
FIG. 3 is an exploded view of an analog antenna I;
FIG. 4 is a schematic structural view of a connecting mechanism II;
FIG. 5 is a schematic structural diagram of a multi-angle rotating mechanism III;
fig. 6 is a front view of the multi-angle rotating mechanism III.
The reference numbers in the figures illustrate: i simulation antenna, II coupling mechanism, III multi-angle rotating mechanism, 1 first stop screw, 2 end covers, 3 first stop bolts, 4 pivot supports, 5 lower support, 6 second stop screws, 7 simulation wavefront, 8 first pivot, 9 second stop bolts, 10 upper supports, 11 simulation antenna mounting rings, 12 profile support pieces, 13 rotary mechanism connection pads, 14 flanges, 15Z axle reduction gears, 16X axle reduction gears, 17 hand wheels, 18 movable chassis, 19 universal wheels, 20 pivot seats, 21 runing rest, 22 locating pins, 23 hand wheels, 24 shaft couplings, 25 pivot.
Detailed Description
Referring to fig. 1 to 6, the invention discloses a lightning stroke test fixture with adjustable degree of freedom, which comprises a simulation antenna I, a connecting mechanism II and a multi-angle rotating mechanism III; simulation antenna I passes through bolt and nut to be connected on coupling mechanism II, and coupling mechanism II installs on multi-angle rotary mechanism III through bolt and nut ann.
Simulation antenna I includes simulation wavefront 7, first check bolt 3, second check bolt 9, pivot support 4, end cover 2, upper bracket 10, undersetting 5, first pivot 8, first stop screw 1, second stop screw 6, wherein:
the upper support 10 is in a door-shaped structure, the analog array surface 7 is installed on the upper surface of the upper support 10 through screws, the lower end of the upper support 10 is connected with the front end surface and the rear end surface of the rotating shaft support 4 through a first rotating shaft 8, the upper support 10 can rotate relative to the rotating shaft support 4, a second stop bolt 9 is arranged on the upper support 10, the front end of the second stop bolt 9 abuts against the front end surface and the rear end surface of the rotating shaft support 4 through rotating the second stop bolt 9, and the analog array surface 7 can be fixed relative to the rotating shaft support 4; the lower support 5 is provided with a first stop bolt 3, and the front end of the stop bolt 3 abuts against the left side surface and the right side surface of the rotating shaft support 4 by rotating the first stop bolt 3, so that the rotating shaft support 4 can be fixed relative to the lower support 5.
Two fixed shafts are symmetrically arranged on the left side surface and the right side surface of the rotating shaft support 4, a semicircular hole matched with the fixed shafts is formed in the top of the lower support 5, and the rotating shaft support 4 is arranged on the upper portion of the lower support 5 through the fixed shafts; a semicircular end cover 2 is arranged on the fixed shaft, and the fixed shaft is limited in a mounting hole formed by the end cover and the semicircular hole by penetrating the end cover 2 and the lower support through a bolt; first limiting screws 1 are arranged on the left side surface and the right side surface of the rotating shaft support 4 and positioned on two sides of the end cover 2 so as to limit the rotating range of the rotating shaft support 4 relative to the lower support 5; and second limiting screws 6 are arranged on the front end surface and the rear end surface of the rotating shaft support 4 and positioned on two sides of the support arm of the upper support 10, and are used for limiting the rotating range of the upper support 10 relative to the lower support 5. The bottom surface of the lower support 5 is provided with a mounting hole for mounting the analog antenna I on the analog antenna mounting ring 11 of the connecting mechanism II.
The connecting mechanism II comprises a profile support 12, an analog antenna mounting ring 11 and a rotary mechanism connecting disc 13; wherein, the upper part of the rotary mechanism connecting disc 13 is provided with a cross-shaped bracket, each end part of the bracket is provided with the profile supporting piece 12, and the profile supporting piece 12 is used for installing an antenna housing; the simulation antenna mounting ring 11 is fixed on the upper part of the cross-shaped bracket and is coaxially arranged with the rotary mechanism connecting disc 13, a hole is formed in the simulation antenna mounting ring 11 and used for mounting the simulation antenna I, and a hole is formed in the rotary mechanism connecting disc 13 and used for mounting the connecting mechanism II on the flange 14 of the rotary mechanism.
The multi-angle rotating mechanism III is used for adjusting the rotating angles of the connecting mechanism II in different directions; the multi-angle rotating mechanism III comprises a flange 14, a Z-axis reducer 15, an X-axis reducer 16, a hand wheel 17, a hand wheel 23, a rotating shaft seat 20, a rotating bracket 21, a positioning pin 22, a second rotating shaft 25, a coupler 24 and a movable chassis 18, wherein:
the flange 14 is connected to an output shaft of the Z-axis reducer 15 through a key and a screw, and the flange 14 is used for installing and fixing a rotary mechanism connecting disc 13 of the connecting mechanism II; the Z-axis reducer 15 is installed on the rotating bracket 21 through a screw, and a hand wheel 23 is installed on an input shaft of the Z-axis reducer 15; the rotating bracket 21 is arranged on the rotating shaft seat 20 through a second rotating shaft 25, one end of the second rotating shaft 25 is coaxially connected with a coupler 24, the other end of the coupler 24 is connected with an output shaft of an X-axis speed reducer 16 through a key and a screw, the X-axis speed reducer 16 is input into a shaft mounting hand wheel 17, the X-axis speed reducer 16 is arranged on the movable chassis 18 through a screw, and the rotating shaft seat 20 is arranged on the movable chassis 18 through a screw; the rotating shaft seat 20 comprises a large supporting plate and a small supporting plate, a plurality of fixing holes are distributed on the large supporting plate along an arc shape, positioning holes matched with the fixing holes are formed in the rotating support 21, and the rotating support 21 can be fixed in position relative to the rotating shaft seat 20 by the positioning pins 22 penetrating through the positioning holes and the fixing holes; the bottom of the movable chassis 18 is provided with universal wheels 19.
According to the test fixture provided by the invention, the electromagnetic functional structural member can rotate 360 degrees around the Z axis (vertical to the ground) through the rotation of the Z-axis reducer 15, and can be self-locked; the rotation of the electromagnetic functional structural member in a YZ plane can be realized by the rotation of the X-axis reducer 16 at +/-90 degrees, the electromagnetic functional structural member can be self-locked, and the accurate positioning in a +/-90-degree range can be realized by aligning the hole on the rotating shaft seat 20 and the hole on the rotating bracket 21 and by the bolt 22; the combination of various angles can be realized by the linkage of the Z-axis reducer 15 and the X-axis reducer 16.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equally replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.
Claims (8)
1. A lightning stroke test fixture with adjustable freedom degree is characterized by comprising a simulation antenna (I), a connecting mechanism (II) and a multi-angle rotating mechanism (III), wherein the simulation antenna (I) is installed on the connecting mechanism (II), and the connecting mechanism (II) is installed on the multi-angle rotating mechanism (III);
simulation antenna (I) is including simulation wavefront (7), pivot support (4), end cover (2), upper bracket (10), undersetting (5), first pivot (8), first stop screw (1), second stop screw (6), wherein:
the upper support (10) is of a door-shaped structure, the analog array surface (7) is arranged on the upper surface of the upper support (10), the lower end of the upper support (10) is connected with the front end surface and the rear end surface of the rotating shaft support (4) through a first rotating shaft (8), and the upper support (10) can rotate relative to the rotating shaft support (4);
the left side surface and the right side surface of the rotating shaft support (4) are symmetrically provided with two fixed shafts, the top of the lower support (5) is provided with a semicircular hole matched with the fixed shafts, and the rotating shaft support (4) is arranged on the upper part of the lower support (5) through the fixed shafts; first limit screws (1) are arranged on the left side surface and the right side surface of the rotating shaft support (4) and positioned on two sides of the end cover (2) so as to limit the rotating range of the rotating shaft support (4) relative to the lower support (5); second limiting screws (6) are arranged on the front end surface and the rear end surface of the rotating shaft support (4) and positioned on two sides of the support arm of the upper support (10) and used for limiting the rotating range of the upper support (10) relative to the lower support (5);
the connecting mechanism (II) comprises a profile support (12), an analog antenna mounting ring (11) and a rotary mechanism connecting disc (13); the upper part of the rotary mechanism connecting disc (13) is provided with a cross-shaped bracket, each end part of the bracket is provided with the profile supporting piece (12), and the profile supporting pieces (12) are used for mounting the radome; the simulation antenna mounting ring (11) is fixed on the upper part of the cross-shaped bracket and is coaxially arranged with the rotary mechanism connecting disc (13), a hole is formed in the simulation antenna mounting ring (11) for mounting a simulation antenna (I), and a hole is formed in the rotary mechanism connecting disc (13) for mounting the connecting mechanism (II) on a flange (14) of the rotary mechanism;
the multi-angle rotating mechanism (III) is used for adjusting the rotating angles of the connecting mechanism (II) in different directions.
2. The lightning stroke test fixture with adjustable degree of freedom according to claim 1, characterized in that the multi-angle rotating mechanism (III) comprises a flange (14), a Z-axis reducer (15), an X-axis reducer (16), a hand wheel (17), a hand wheel (23), a rotating shaft seat (20), a rotating bracket (21), a second rotating shaft (25), a coupling (24) and a movable chassis (18), wherein:
the flange (14) is connected to an output shaft of the Z-axis reducer (15), and the flange (14) is used for mounting and fixing a rotary mechanism connecting disc (13) of the connecting mechanism (II); the Z-axis reducer (15) is installed on the rotary bracket (21) through a screw, and a hand wheel (23) is installed on an input shaft of the Z-axis reducer (15); the rotating support (21) is installed on the rotating shaft seat (20) through a second rotating shaft (25), one end of the second rotating shaft (25) is coaxially connected with the coupler (24), the other end of the coupler (24) is connected with an output shaft of the X-axis speed reducer (16) through a key and a screw, the X-axis speed reducer (16) enters the shaft to be installed with the hand wheel (17), the X-axis speed reducer (16) is installed on the movable chassis (18), and the rotating shaft seat (20) is installed on the movable chassis (18) through a screw.
3. The lightning stroke test fixture with the adjustable degree of freedom according to claim 2, characterized in that the rotating shaft seat (20) comprises a large support plate and a small support plate, a plurality of fixing holes are distributed on the large support plate along an arc shape, positioning holes matched with the fixing holes are formed in the rotating support (21), and a positioning pin (22) penetrates through the positioning holes and the fixing holes to fix the position of the rotating support (21) relative to the rotating shaft seat (20).
4. The lightning strike test fixture with adjustable degree of freedom according to claim 3, characterized in that the bottom of the movable chassis (18) is provided with universal wheels (19).
5. The lightning stroke test fixture with the adjustable degree of freedom according to the claim 1 is characterized in that the electromagnetic functional structural member can rotate 360 degrees around the Z axis through the rotation of the Z axis reducer (15) and can be self-locked; the rotation of an electromagnetic functional structural member within +/-90 degrees in a YZ plane is realized through the rotation of an X-axis speed reducer (16), and the accurate positioning within +/-90 degrees is realized through the alignment of a hole on a rotating shaft seat (20) and a hole on a rotating bracket (21) and the mode of a bolt (22); the combination of various angles is realized through the linkage of the Z-axis speed reducer (15) and the X-axis speed reducer (16).
6. The lightning stroke test fixture with the adjustable degree of freedom according to claim 1, characterized in that the upper support (10) is provided with a second stop bolt (9), the front end of the stop bolt (9) is abutted against the front end face and the rear end face of the rotating shaft support (4) by rotating the second stop bolt (9), and the simulation front face (7) can be fixed relative to the rotating shaft support (4); the lower support (5) is provided with a first stop bolt (3), the front end of the stop bolt (3) is abutted against the left side surface and the right side surface of the rotating shaft support (4) by rotating the first stop bolt (3), and the rotating shaft support (4) can be fixed relative to the lower support (5).
7. The lightning stroke test fixture with the adjustable degree of freedom according to claim 1, characterized in that a semi-annular end cover (2) is arranged on the fixed shaft, and the fixed shaft is limited in a mounting hole formed by the end cover and the semi-circular hole by bolts penetrating through the end cover (2) and the lower support.
8. The adjustable-freedom lightning stroke test fixture according to claim 1, wherein the bottom surface of the lower support (5) is provided with a mounting hole for mounting the analog antenna (I) on the analog antenna mounting ring (11) of the connecting mechanism (II).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210854933.1A CN115327173A (en) | 2022-07-20 | 2022-07-20 | Degree of freedom adjustable thunderbolt test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210854933.1A CN115327173A (en) | 2022-07-20 | 2022-07-20 | Degree of freedom adjustable thunderbolt test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115327173A true CN115327173A (en) | 2022-11-11 |
Family
ID=83917904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210854933.1A Pending CN115327173A (en) | 2022-07-20 | 2022-07-20 | Degree of freedom adjustable thunderbolt test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115327173A (en) |
-
2022
- 2022-07-20 CN CN202210854933.1A patent/CN115327173A/en active Pending
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