CN108417959B - Locking device for motorized radar antenna pedestal - Google Patents
Locking device for motorized radar antenna pedestal Download PDFInfo
- Publication number
- CN108417959B CN108417959B CN201810180293.4A CN201810180293A CN108417959B CN 108417959 B CN108417959 B CN 108417959B CN 201810180293 A CN201810180293 A CN 201810180293A CN 108417959 B CN108417959 B CN 108417959B
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- China
- Prior art keywords
- taper pin
- base
- groove
- proximity switch
- cam
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/18—Means for stabilising antennas on an unstable platform
- H01Q1/185—Means for stabilising antennas on an unstable platform by electronic means
Abstract
The invention discloses a locker for a motorized radar antenna pedestal, which comprises a base, a taper pin seat, a shell, a first proximity switch, a second proximity switch, a cam mechanism, a knob device and a button device. The base and the taper pin base are of a locker main body structure, the base and the taper pin base are installed oppositely, the shell is installed on the base, the cam mechanism is installed inside the base and the shell, the knob device is installed on the cam, and the button device is connected to the inner side face of the knob through a guide thread pin. The cam is fixedly connected with the taper pin through the connecting rod and the adapter, and the knob device and the cam rotate synchronously to drive the taper pin to stretch and retract so as to complete the locking and unlocking actions between the base and the taper pin base. The first proximity switch is installed on one side of the base, the second proximity switch is installed on one side of the taper pin base, and the on-off of the proximity switch provides locking in-place and unlocking in-place signals of the locker. The invention has high reliability and simple operation.
Description
Technical Field
The invention relates to the technical field of radars, in particular to a locker for a motorized radar antenna pedestal.
Background
The locker is as a common safety arrangement of radar, and when mainly used radar was withdrawn, to the locking of antenna pedestal rotation position, prevented that radar equipment from taking place the motion at the in-process of transition transportation because the antenna pedestal, resulting in antenna and other equipment collision on every side to cause the damage. The commonly used locker of present motor-driven radar antenna pedestal is ordinary handle bolt formula, and this type locker requires highly to radar antenna pedestal's positioning accuracy, otherwise unable smooth plug, and the reliability is low moreover, and locking and unblock state all do not have effectual locking measure, because jolt or shake in transportation and the working process all probably lead to the bolt to loosen, bring the potential safety hazard.
Disclosure of Invention
The invention provides a locker for a motorized radar antenna pedestal, aiming at solving the problems that the traditional locker has high requirement on positioning precision of a radar antenna pedestal and the reliability of locking and unlocking states in the transportation and working engineering of radar equipment is low and the like.
A locker for a motorized radar antenna mount comprises a base 1, a taper pin base 2, a shell 3, a first proximity switch 4, a second proximity switch 5, a cam mechanism 6, a knob device 7 and a button device 8.
The casing 3 is installed on base 1, base 1 is equipped with first proximity switch hole 13 with casing 3 seam crossing, cam mechanism 6 installs in the inside of base 1 and casing 3, cam mechanism 6 is equipped with taper pin 61. The taper pin base 2 is provided with a second proximity switch hole 21 and a second taper pin hole 22. The knob device 7 is arranged above the shell 3, and the cam mechanism 6 is driven to rotate through the knob device 7. The button device 8 is installed on the knob device 7 and controls the rotation and locking state of the knob device 7. The first proximity switch 4 and the second proximity switch 5 are respectively installed in the first proximity switch hole 13 and the second proximity switch hole 21.
During the use, base 1 installs on radar antenna base 9, and taper pin seat 2 installs on radar antenna revolving stage 10, anticlockwise rotation knob device 7, and taper pin 61 inserts second taper pin hole 22, and first proximity switch 4 is electrified, and second proximity switch 5 loses the electricity, and radar antenna revolving stage 10 is in locking state. And the knob device 7 is rotated clockwise, the taper pin 61 exits the second taper pin hole 22, the first proximity switch 4 is powered off, the second proximity switch 5 is powered on, and the radar antenna rotary table 10 is in an unlocking state. The technical scheme for further limiting is as follows:
be equipped with longitudinal positioning groove 12 on the downside plane of base 1, be equipped with down taper pin groove 11 on the last plane of base 1, the bottom of lower taper pin groove 11 is equipped with first guide way 111, and base 1 is located and is equipped with two horizontal constant head tanks 15 on the terminal surface of taper pin groove 11 one end down, is equipped with half groove 131 down on the last plane of base 1, and the middle part of base 1 is equipped with annular location platform 14, annular location platform 14 is fixed a position with the center pin outer fringe cooperation of cam mechanism 6.
The upper surface of casing 3 is the arc surface, and upper surface middle part position is equipped with through-hole 33, the concentric annular boss department symmetric position of through-hole 33 is equipped with first spacing groove 31 and second spacing groove 32, the one end of casing 3 is equipped with awl cotter way 34, the other end side of casing 3 is equipped with first half groove 132. The upper taper pin groove 34 and the lower taper pin groove 11 are combined to form a first taper pin hole. The upper half groove 132 and the lower half groove 131 are combined to form the first proximity switch hole 13.
The cam mechanism 6 comprises an adapter 62, a roller 63, a cam 64, a clamping groove 65, a connecting rod 66, two sealing rings 67 and a first guide block 68.
The cam 64 is an offset cam, a slot 65 is arranged on the inner side of the cam 64, the slot shape of the slot 65 is parallel to the outer contour curved surface of the working section of the cam 64, the cam 64 is provided with a central shaft 641, and the cam 64 flexibly rotates around the central shaft 641 in the cavity between the base 1 and the housing 3. The cross section of the taper pin 61 is in an elliptical runway shape, the front end face of the taper pin 61 is provided with a large bevel conical surface, the lower side face of the taper pin 61 is provided with a first guide block 68, and the first guide block 68 moves linearly in the first guide groove 111. Adapter 62 is connected to the rear end face of taper pin 61, adapter 62 one end is passed through the screw and is fixed with taper pin 61, and the other end is equipped with the gyro wheel draw-in groove, articulated gyro wheel 63 in the gyro wheel draw-in groove, gyro wheel 63 and cam 64 outline curved surface contact. One end of the connecting rod 66 is hinged to the adapter 62, the other end of the connecting rod is provided with an elbow, the elbow is embedded into the clamping groove 65, and the elbow slides along the clamping groove 65. The two sealing rings 67 are respectively sleeved on the taper pins 61. The knob device 7 is connected to the cam 64 through the central shaft 641 and rotates synchronously, thereby driving the taper pin 61 to slide back and forth in the first taper pin hole.
The knob device 7 includes a knob 71, a guide screw 72, and a locking screw 73. The knob 71 is provided with a second guide groove 711 inside, and the knob 71 is attached coaxially with the central shaft 641 and fixed by a guide screw pin 73 in the circumferential direction. The button device 8 comprises a button 81 and a spring 82, wherein the upper end of the button 81 is provided with a limiting block 811, the lower end of the button is provided with a second guide block 812, and the second guide block 812 can slide in a second guide groove 711. The button 81 is provided with a hole seat 813, and the hole seat 813 is provided with a spring 82. The button device 8 is installed on one side of the knob 71, the spring 82 is sleeved on the guide threaded pin 72, the knob 71 can rotate freely when the button device 8 is pressed down, and when the knob 71 rotates anticlockwise to a limit position when the button device 8 is loosened, the limiting block 811 is embedded into the first limiting groove 31 to lock the knob 71. When the knob 71 is rotated clockwise to the limit position when the button device 8 is released, the stopper 811 is inserted into the second stopper groove 32 to lock the knob 71. Two taper pin base positioning grooves 23 are formed in the bottom plate of the taper pin base 2, and the taper pin base positioning grooves 23 are positioned corresponding to the transverse positioning grooves 15.
The second taper pin hole 22 is a blind hole, and the cross section shape of the second taper pin hole 22 is the same as that of the taper pin 61. Compared with the prior art, the beneficial technical effects of the invention are reflected in the following aspects:
(1) the invention adopts double proximity switches to detect and feed back control signals, realizes the mutual interlocking among all the motion mechanisms, and improves the reliability and the safety of the equipment operation.
(2) The base and the taper pin seat of the locker are respectively provided with a positioning groove to ensure the installation and the positioning.
(3) The taper pin and the taper pin base in the main body structure adopt large-angle taper surface matching, the locking can be adjusted in a self-adaptive mode, and the requirement on the positioning accuracy of the antenna base is lowered.
(4) The high reliability of the invention is realized that the transportation state is safe and reliable and the working state is safe and reliable, when the transportation is locked, the limiting block is clamped in the first limiting groove under the action of the spring, the knob cannot rotate, and the taper pin cannot retract. During the work unblock, need press the unblock button, rotate 180 degrees with the knob again, under the effect of spring, in the stopper card goes into the second spacing groove, the knob can't rotate again, and the taper pin can't stretch out.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of a base structure according to the present invention.
Fig. 3 is a schematic structural view of the taper pin base of the present invention.
Fig. 4 is a schematic structural diagram of the housing of the present invention.
Fig. 5 is a schematic structural view of the cam mechanism of the present invention.
FIG. 6 is a partial view of the invention taken from the direction A in FIG. 5
Fig. 7 is a cross-sectional view of the knob device of the present invention.
Fig. 8 is a cross-sectional view of the push button device of the present invention.
FIG. 9 is a sectional view showing the assembled relationship of the housing, cam mechanism, knob and push button of the present invention.
FIG. 10 is an enlarged view of a portion B of FIG. 9 according to the present invention.
Fig. 11 is a sectional view showing an unlocked state of the present invention.
Fig. 12 is a cross-sectional view showing a locked state of the present invention.
FIG. 13 is a partial view of the present invention in use.
Reference numbers of the drawings: the device comprises a base 1, a lower taper pin groove 11, a first guide groove 111, a longitudinal positioning groove 12, a first proximity switch hole 13, a lower half groove 131, an upper half groove 132, an annular positioning table 14 and a transverse positioning groove 15; the taper pin seat 2, the second proximity switch hole 21, the second taper pin hole 22 and the taper pin seat positioning groove 23; the shell 3, a first limit groove 31, a second limit groove 32, a through hole 33 and an upper taper pin groove 34; the device comprises a first proximity switch 4, a second proximity switch 5, a cam mechanism 6, a taper pin 61, an adapter 62, a roller 63, a cam 64, a central shaft 641, a clamping groove 65, a connecting rod 66, a sealing ring 67 and a first guide block 68; the knob device 7, the knob 71, the second guide groove 711, the guide threaded pin 72, and the locking screw 73; the button device 8, the button 81, the limiting block 811, the second guide block 812, the hole seat 813 and the spring 82; radar antenna base 9, radar antenna revolving stage 10.
Detailed Description
In order to facilitate the understanding and practice of the present invention for those of ordinary skill in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples, it being understood that the examples described herein are for purposes of illustration and explanation only and are not intended to be limiting.
Example one
Referring to fig. 1, a locker for a motorized radar antenna mount includes a base 1, a taper pin holder 2, a housing 3, a first proximity switch 4, a second proximity switch 5, a cam mechanism 6, a knob device 7, and a button device 8.
Referring to fig. 2, a longitudinal positioning groove 12 is arranged on the lower plane of the base 1, a lower taper pin groove 11 is arranged on the upper plane of the base 1, a first guide groove 111 is arranged at the bottom of the lower taper pin groove 11, two transverse positioning grooves 15 are arranged on the end face of the base 1 at one end of the lower taper pin groove 11, a lower half groove 131 is arranged on the plane of the base 1, an annular positioning table 14 is arranged in the middle of the base 1, and the annular positioning table 14 is matched with the outer edge of the central shaft of the cam mechanism 6 for positioning.
Referring to fig. 3, the taper pin boss 2 is provided with a second proximity switch hole 21 and a second taper pin hole 22. Two taper pin base positioning grooves 23 are formed in the bottom plate of the taper pin base 2, and the taper pin base positioning grooves 23 are positioned corresponding to the transverse positioning grooves 15. The second taper pin hole 22 is a blind hole, and the cross section shape of the second taper pin hole 22 is the same as that of the taper pin 61.
Referring to fig. 4, the upper surface of the housing 3 is an arc surface, a through hole 33 is formed in the middle of the upper surface, a first limiting groove 31 and a second limiting groove 32 are formed in the positions, which are symmetrical, of concentric annular bosses of the through hole 33, an upper taper pin groove 34 is formed in one end of the housing 3, and an upper half groove 132 is formed in the side surface of the other end of the housing 3. The upper taper pin groove 34 and the lower taper pin groove 11 are combined to form a first taper pin hole. The upper half groove 132 and the lower half groove 131 are combined to form the first proximity switch hole 13.
Referring to fig. 5 and 6, the cam mechanism 6 includes a taper pin 61, an adapter 62, a roller 63, a cam 64, a slot 65, a connecting rod 66, two sealing rings 67, and a first guide block 68. The cam 64 is an offset cam, a slot 65 is arranged on the inner side of the cam 64, the slot shape of the slot 65 is parallel to the outer contour curved surface of the working section of the cam 64, the cam 64 is provided with a central shaft 641, and the cam 64 flexibly rotates around the central shaft 641 in the cavity between the base 1 and the housing 3. The cross section of the taper pin 61 is in an elliptical runway shape, the front end face of the taper pin 61 is provided with a large bevel conical surface, the lower side face of the taper pin 61 is provided with a first guide block 68, and the first guide block 68 moves linearly in the first guide groove 111. Adapter 62 is connected to the rear end face of taper pin 61, adapter 62 one end is passed through the screw and is fixed with taper pin 61, and the other end is equipped with the gyro wheel draw-in groove, articulated gyro wheel 63 in the gyro wheel draw-in groove, gyro wheel 63 and cam 64 outline curved surface contact. One end of the connecting rod 66 is hinged to the adapter 62, the other end of the connecting rod is provided with an elbow, the elbow is embedded into the clamping groove 65, and the elbow slides along the clamping groove 65. The two sealing rings 67 are respectively sleeved on the taper pins 61. The knob device 7 is connected to the cam 64 through the central shaft 641 and rotates synchronously, thereby driving the taper pin 61 to slide back and forth in the first taper pin hole.
Referring to fig. 7, the knob device 7 includes a knob 71, a guide screw 72, and a locking screw 73. The knob 71 is provided with a second guide groove 711 inside, and the knob 71 is attached coaxially with the central shaft 641 and fixed by a guide screw pin 73 in the circumferential direction.
Referring to fig. 8 to 10, the button device 8 includes a button 81 and a spring 82, the button 81 has a stopper 811 at an upper end thereof and a second guide 812 at a lower end thereof, and the second guide 812 is slidable in a second guide groove 711. The button 81 is provided with a hole seat 813, and the hole seat 813 is provided with a spring 82. The button device 8 is installed on one side of the knob 71, the spring 82 is sleeved on the guide threaded pin 72, the knob 71 can rotate freely when the button device 8 is pressed down, and when the knob 71 rotates anticlockwise to a limit position when the button device 8 is loosened, the limiting block 811 is embedded into the first limiting groove 31 to lock the knob 71. When the knob 71 is rotated clockwise to the limit position when the button device 8 is released, the stopper 811 is inserted into the second stopper groove 32 to lock the knob 71.
Referring to fig. 5, 11 and 13, the two sealing rings 67 on the taper pin 61 and the second taper pin hole 22 are designed as blind holes to prevent rainwater and dust from entering the cam mechanism 6, thereby achieving a sealing effect.
Referring to fig. 11 to 13, in use, the base 1 is mounted on the radar antenna base 9, the taper pin base 2 is mounted on the radar antenna turntable 10, the knob device 7 is rotated counterclockwise, the taper pin 61 is inserted into the second taper pin hole 22, the first proximity switch 4 is powered on, the second proximity switch 5 is powered off, and the radar antenna turntable 10 is in a locked state. And the knob device 7 is rotated clockwise, the taper pin 61 exits the second taper pin hole 22, the first proximity switch 4 is powered off, the second proximity switch 5 is powered on, and the radar antenna rotary table 10 is in an unlocking state.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. A locker for a motorized radar antenna mount, comprising: the device comprises a base (1), a taper pin seat (2), a shell (3), a first proximity switch (4), a second proximity switch (5), a cam mechanism (6), a knob device (7) and a button device (8);
the shell (3) is mounted on the base (1), a first proximity switch hole (13) is formed in the joint of the base (1) and the shell (3), the cam mechanism (6) is mounted inside the base (1) and the shell (3), and the cam mechanism (6) is provided with a taper pin (61); the taper pin seat (2) is provided with a second proximity switch hole (21) and a second taper pin hole (22); the knob device (7) is arranged above the shell (3), and the cam mechanism (6) is driven to rotate through the knob device (7); the button device (8) is arranged on the knob device (7) and controls the rotation and locking states of the knob device (7); the first proximity switch (4) and the second proximity switch (5) are respectively installed in the first proximity switch hole (13) and the second proximity switch hole (21);
the cam mechanism (6) comprises an adapter (62), a roller (63), a cam (64), a clamping groove (65), a connecting rod (66), two sealing rings (67) and a first guide block (68);
the cam (64) is an offset cam, a clamping groove (65) is arranged on the inner side of the cam (64), the groove shape of the clamping groove (65) is parallel to the outer contour curved surface of the working section of the cam (64), the cam (64) is provided with a central shaft (641), and the cam (64) flexibly rotates around the central shaft (641) in a cavity between the base (1) and the shell (3); the cross section of the taper pin (61) is in an elliptical runway shape, the front end face of the taper pin (61) is provided with a large-bevel-angle conical surface, the lower side face of the taper pin (61) is provided with a first guide block (68), and the first guide block (68) moves linearly in the first guide groove (111); the rear end face of the taper pin (61) is connected with an adapter (62), one end of the adapter (62) is fixed with the taper pin (61) through a screw, the other end of the adapter is provided with a roller clamping groove, a roller (63) is hinged in the roller clamping groove, and the roller (63) is in contact with the outer contour curved surface of the cam (64); one end of the connecting rod (66) is hinged to the adapter (62), the other end of the connecting rod is provided with an elbow, the elbow is embedded into the clamping groove (65), and the elbow slides along the clamping groove (65); the two sealing rings (67) are respectively sleeved on the taper pins (61); the knob device (7) is connected with the cam (64) through the central shaft (641) and synchronously rotates to drive the taper pin (61) to slide back and forth in the first taper pin hole;
when the device is used, the base (1) is installed on a radar antenna base (9), the taper pin seat (2) is installed on a radar antenna rotary table (10), the knob device (7) is rotated anticlockwise, the taper pin (61) is inserted into the second taper pin hole (22), the first proximity switch (4) is powered on, the second proximity switch (5) is powered off, and the radar antenna rotary table (10) is in a locking state; the knob device (7) is rotated clockwise, the taper pin (61) exits the second taper pin hole (22), the first proximity switch (4) is powered off, the second proximity switch (5) is powered on, and the radar antenna rotary table (10) is in an unlocking state.
2. A fastener for a motorized radar antenna mount, according to claim 1, wherein: be equipped with longitudinal positioning groove (12) on the downside plane of base (1), be equipped with down awl cotter way (11) on the last plane of base (1), the bottom of awl cotter way (11) is equipped with first guide way (111) down, and base (1) is located and is equipped with two horizontal constant head tanks (15) on the terminal surface of awl cotter way (11) one end down, is equipped with half groove (131) down on the last plane of base (1), and the middle part of base (1) is equipped with annular positioning platform (14), the center pin outer fringe cooperation location of annular positioning platform (14) and cam mechanism (6).
3. A fastener for a motorized radar antenna mount, according to claim 1, wherein: the upper surface of the shell (3) is an arc surface, a through hole (33) is formed in the middle of the upper surface, a first limiting groove (31) and a second limiting groove (32) are symmetrically formed in the concentric annular boss of the through hole (33), an upper taper pin groove (34) is formed in one end of the shell (3), and an upper half groove (132) is formed in the side face of the other end of the shell (3); the upper taper pin groove (34) and the lower taper pin groove (11) are combined to form a first taper pin hole; the upper half groove (132) and the lower half groove (131) are combined to form a first proximity switch hole (13).
4. A fastener for a motorized radar antenna mount, according to claim 1, wherein: the knob device (7) comprises a knob (71), a guide threaded pin (72) and a locking screw (73); the knob (71) is provided with a second guide groove (711) inside, and the knob (71) is mounted coaxially with the central shaft (641) and fixed by a guide screw pin (73) in the circumferential direction.
5. A fastener for a motorized radar antenna mount, according to claim 1, wherein: the button device (8) comprises a button (81) and a spring (82), the upper end of the button (81) is provided with a limiting block (811), the lower end of the button is provided with a second guide block (812), and the second guide block (812) can slide in a second guide groove (711); the button (81) is provided with a hole seat (813), and the hole seat (813) is provided with a spring (82).
6. A fastener for a motorized radar antenna mount, according to claim 1, wherein: the bottom plate of taper pin base (2) is provided with two taper pin base positioning grooves (23), and the taper pin base positioning grooves (23) are positioned corresponding to the transverse positioning grooves (15).
7. A fastener for a motorized radar antenna mount, according to claim 1, wherein: the second taper pin hole (22) is a blind hole, and the cross section shape of the second taper pin hole (22) is the same as that of the taper pin (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180293.4A CN108417959B (en) | 2018-03-05 | 2018-03-05 | Locking device for motorized radar antenna pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180293.4A CN108417959B (en) | 2018-03-05 | 2018-03-05 | Locking device for motorized radar antenna pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108417959A CN108417959A (en) | 2018-08-17 |
| CN108417959B true CN108417959B (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810180293.4A Active CN108417959B (en) | 2018-03-05 | 2018-03-05 | Locking device for motorized radar antenna pedestal |
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| Country | Link |
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| CN (1) | CN108417959B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3633787B1 (en) * | 2018-10-02 | 2022-02-23 | Continental Automotive GmbH | One-hand mounting system for fixing an antenna module on a vehicle |
| CN109301442A (en) * | 2018-10-30 | 2019-02-01 | 哈尔滨工业大学 | A kind of antenna arrays of radar locking device and locking method |
| CN109623497B (en) * | 2018-12-10 | 2020-04-03 | 上海复合材料科技有限公司 | Auxiliary leveling device for antenna frame |
| CN110082767A (en) * | 2019-04-01 | 2019-08-02 | 深圳市九洲卓能电气有限公司 | Millimetre-wave radar component |
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| US6244084B1 (en) * | 1998-02-27 | 2001-06-12 | Tod L. Warmack | Remote control lock device |
| CN102157773A (en) * | 2010-12-10 | 2011-08-17 | 中国兵器工业第二○六研究所 | Electric locking mechanism for radar antenna pedestal |
| CN202023416U (en) * | 2011-01-05 | 2011-11-02 | 安徽省枞阳县凯特电子科技有限公司 | Electric lock of case |
| CN103967882A (en) * | 2014-05-05 | 2014-08-06 | 中国科学院长春光学精密机械与物理研究所 | Locking device with automatic unlocking function |
| CN104060894A (en) * | 2014-06-12 | 2014-09-24 | 四川省绵阳西南自动化研究所 | Vertical electric locking device |
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| US6244084B1 (en) * | 1998-02-27 | 2001-06-12 | Tod L. Warmack | Remote control lock device |
| CN102157773A (en) * | 2010-12-10 | 2011-08-17 | 中国兵器工业第二○六研究所 | Electric locking mechanism for radar antenna pedestal |
| CN202023416U (en) * | 2011-01-05 | 2011-11-02 | 安徽省枞阳县凯特电子科技有限公司 | Electric lock of case |
| CN103967882A (en) * | 2014-05-05 | 2014-08-06 | 中国科学院长春光学精密机械与物理研究所 | Locking device with automatic unlocking function |
| CN104060894A (en) * | 2014-06-12 | 2014-09-24 | 四川省绵阳西南自动化研究所 | Vertical electric locking device |
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| CN108417959A (en) | 2018-08-17 |
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