CN111934081A - Antenna winding and unwinding devices - Google Patents
Antenna winding and unwinding devices Download PDFInfo
- Publication number
- CN111934081A CN111934081A CN202010748854.3A CN202010748854A CN111934081A CN 111934081 A CN111934081 A CN 111934081A CN 202010748854 A CN202010748854 A CN 202010748854A CN 111934081 A CN111934081 A CN 111934081A
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- gear
- arm
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- antenna
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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
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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
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
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Abstract
The invention provides an antenna winding and unwinding device which comprises a base, a moving device, a rotating device and a winding and unwinding device. The base is arranged at the bottommost part of the machine and provides a supporting function for the moving device and the rotating device. The mobile device is fixedly arranged above the periphery of the base, can move the antenna retracting device to a specified position, then is fixed on the ground, and can retract and release the antenna mast. The rotating device penetrates through the base and is rotatably installed on the base, and the antenna rod and the antenna can be rotated. The winding and unwinding device is fixedly arranged on the rotating device and can wind and unwind the main antenna.
Description
Technical Field
The invention relates to the technical field of radar antennas, in particular to an antenna device capable of being folded and unfolded.
Background
Modern communication technology is more and more developed, and many mineral products and military field exploration need to have an antenna to communicate with the outside, and the antenna can be folded and unfolded and moved at any time.
The Chinese patent application with the application number of 201611032634.0 discloses a rapid antenna support retracting device, wherein four interface tube ends of a triangular support are respectively engaged and provided with a threaded joint with external threads, the upper end of a vertical upward interface tube is coaxially connected with the lower end of a vertical fixed rod through the threaded joint, and the upper end of the fixed rod is fixedly provided with an inward concave connector; an outward convex connector is embedded at the upper part of the inward concave connector in a matching way, a folding rod is fixedly arranged at the upper end of the outward convex connector, a hand pull ring is arranged at the upper end of the folding rod, the hand pull ring is connected with one end of a rubber band, and the other end of the rubber band sequentially penetrates through the folding rod and a fixed rod from the inside to be connected inside the triangular bracket; folding rods with the same length are respectively installed on the other three interface tubes of the triangular support in a nested mode through threaded joints to serve as supporting legs. The invention can realize the rapid erection and withdrawal of the antenna, greatly improves the maneuvering characteristic and provides guarantee for the good working state of the antenna.
However, the invention has low automation degree and cannot automatically move and rotate.
Disclosure of Invention
The invention provides an antenna winding and unwinding device aiming at the technical problem, wherein a base is arranged at the bottommost part of a machine and provides a supporting function for a moving device and a rotating device. The mobile device is fixedly arranged above the periphery of the base, can move the antenna retracting device to a specified position, then is fixed on the ground, and can retract and release the antenna mast. The rotating device penetrates through the base and is rotatably installed on the base, and the antenna rod and the antenna can be rotated. The winding and unwinding device is fixedly arranged on the rotating device and can wind and unwind the main antenna. The invention has simple structure, rich functions and high working efficiency.
The technical scheme adopted by the invention is as follows: an antenna winding and unwinding device comprises a base, a moving device, a rotating device and a winding and unwinding device, wherein the base is installed at the bottommost part of a machine, the moving device is fixedly installed above the periphery of the base, the rotating device penetrates through the base and is rotatably installed on the base, and the winding and unwinding device is fixedly installed on the rotating device.
The base include big chassis, bed hedgehopping board, latch segment, solid equipartition below the big chassis is installed the bed hedgehopping board, per two bed hedgehopping board below fixed mounting have the latch segment, the latch segment passes through bolt fixed mounting subaerial.
The retracting device comprises a rotary cover, a second oil cylinder, an ear seat, a connecting rod, a supporting seat, a pull rod, a vertical rod, an auxiliary rod, a connecting frame, a main antenna and a connecting seat, wherein the rotary cover is fixedly arranged in the center of a third gear, the second oil cylinder is also fixedly arranged on the third gear, the ear seat is fixedly arranged at the end part of a stretching shaft of the second oil cylinder, the ear seat is rotatably arranged on the connecting rod, the middle part of the connecting rod is rotatably arranged in a pin shaft clamped between the two pull rods, the other end of the connecting rod is rotatably connected to the auxiliary rod, the supporting seat is fixedly arranged on the third gear, the pin shaft in the middle of the supporting seat penetrates through the pull rod, the tail part of the pull rod is rotatably arranged in the connecting seat, the lower end of the vertical rod is rotatably arranged at one end of the pull rod, the middle part of the vertical rod is rotatably connected to one end of the, the connecting seat is fixedly arranged right above the third gear.
Furthermore, the moving device comprises a moving wheel, a fork frame, a large plate, a reinforcing rib, a supporting plate, a cover plate, a guide post, a spring, a top cover, a first rack, a first motor, a first gear, a second motor, a first bevel gear and a second bevel gear, wherein the moving wheel is rotatably arranged in the middle of the fork frame, a central shaft of the moving wheel penetrates through the fork frame and is fixedly connected with the second bevel gear, the fork frame is fixedly arranged right below the large plate, two supporting plates are fixedly arranged above the large plate, the reinforcing rib is connected with the large plate and the supporting plates, the first motor is fixedly arranged outside one of the two supporting plates, the cover plate is fixedly connected above the right side of the cover plate, the spring is sleeved outside the guide post, the spring is clamped between the cover plate and the top cover, the top cover is fixed at the top position of the first rack, the guide post penetrates through the top cover, the first rack is slidably arranged in a middle notch, the first motor is fixedly arranged on the supporting plate, the first gear is fixedly arranged on an output shaft of the first motor, the output shaft of the first motor penetrates through the supporting plate and extends into the supporting plate, the first gear is meshed with the first rack, the first rack penetrates through the cover plate and is fixedly connected onto the fork frame with the large plate, the second motor is fixedly arranged on the fork frame, the output shaft of the fork frame is fixedly connected onto the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is fixedly arranged on the extending part of the movable wheel.
Furthermore, the rotating device comprises a flange plate, a main shaft, a third motor, a second gear, a third gear, a main frame, a sliding groove, a second rack, an antenna rod, an end rod, a first extending arm, a second extending arm, a fourth gear, a third extending arm, a fourth extending arm, a rotating arm, a main arm and a first oil cylinder, wherein the flange plate is rotatably arranged under the large chassis, the main shaft is fixedly arranged right above the flange plate, penetrates through the large chassis and is fixedly connected with the third gear, the third motor is fixedly arranged below the large chassis, an output shaft of the third motor is fixedly provided with the second gear, the second gear is meshed with the third gear, the main frame is uniformly distributed on the third gear, the main frame is fixedly welded on the third gear, the sliding groove and the first oil cylinder are fixedly arranged below the third gear, the second rack is slidably arranged in the sliding groove, and is meshed with the gear fixed at one end of the rotating arm, the afterbody fixed connection of second rack is on the projecting shaft of first hydro-cylinder, the one end swivelling joint of main arm is on the body frame, the other end swivelling joint of main arm is on the rocking arm, the one end swivelling joint of rocking arm is on the body frame, the one end of rocking arm and the one end of main arm swivelling joint simultaneously are on the body frame, the other end swivelling joint of two rocking arms is on two rotation axes of fourth projecting arm, fourth projecting arm swivelling joint is on the rocking arm, the third projecting arm is being connected in the middle swivelling joint of fourth projecting arm, the lower extreme axle of fourth projecting arm is stretching out fixed mounting the fourth gear, two fourth gear intermeshing rotate, the first projecting arm of both ends swivelling joint of second projecting arm, the other end swivelling joint of first projecting arm is the end lever, fixed distribution installs three antenna poles above the end lever.
Furthermore, the first motor and the base are fixedly installed, and the base of the first motor is fixedly installed on the supporting plate.
Furthermore, the second motor and the base are fixedly arranged, and the base of the second motor is fixedly arranged on the fork.
Furthermore, the third motor and the base are fixedly installed, and the base of the third motor is fixedly installed on the large chassis.
Furthermore, the cylinder barrel of the first oil cylinder is fixedly arranged on the main frame.
Furthermore, a cylinder barrel of the second oil cylinder is fixedly arranged on the third gear.
Due to the adoption of the technical scheme, the invention has the following advantages.
(1) The invention can use the mobile device to move the antenna retracting device and can be fixed at the appointed position.
(2) The invention can use the rotating device, can rotate the antenna mast and the main antenna, and can receive and release the antenna mast.
(3) The invention can use the retraction device and can retract the main antenna.
(4) The invention saves time and labor and improves the working efficiency.
(5) The invention has low purchase input cost, no special structure, easy manufacture and convenient maintenance and replacement of structural components.
Drawings
Fig. 1 is a schematic view of an overall structure of an antenna winding and unwinding device according to the present invention.
Fig. 2 is a schematic view of the overall structure of the base of the present invention.
Fig. 3 is a schematic view of the overall structure of the mobile device of the present invention.
Fig. 4 is a schematic view of the overall structure of the rotating device of the present invention.
Fig. 5 is a schematic view of the overall structure of the retraction device of the present invention.
Reference numerals: 1-a base; 2-a mobile device; 3-a rotating device; 4-a retraction device; 101-large chassis; 102-a step-up plate; 103-a locking block; 201-moving wheels; 202-fork carriage; 203-large plate; 204-reinforcing ribs; 205-a support plate; 206-cover plate; 207-guide posts; 208-a spring; 209-top cover; 210-a first rack; 211-a first motor; 212-a first gear; 213-a second motor; 214-a first bevel gear; 215-a second bevel gear; 301-flange plate; 302-a main shaft; 303-a third motor; 304-a second gear; 305-a third gear; 306-the main frame; 307-a chute; 308-a second rack; 309-antenna mast; 310-end rod; 311-a first projecting arm; 312-a second cantilever arm; 313-a fourth gear; 314-a third projecting arm; 315-fourth projecting arm; 316-tumbler; 317-main arm; 318-a first oil cylinder; 401-rotating the lid; 402-a second cylinder; 403-ear mount; 404-a connecting rod; 405-a support base; 406-a pull rod; 407-vertical bar; 408-an auxiliary rod; 409-a connecting frame; 410-a main antenna; 411-connecting seat.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 and 2, in the base 1, the heightening plates 102 are fixedly and uniformly arranged below the large chassis 101, the locking blocks 103 are fixedly arranged below every two heightening plates 102, and the locking blocks 103 are fixedly arranged on the ground through bolts. The base 1 is installed at the bottommost portion of the machine, the moving device 2 is fixedly installed above the periphery of the base 1, the rotating device 3 penetrates through the base 1 and is rotatably installed on the base 1, and the winding and unwinding device 4 is fixedly installed on the rotating device 3.
As shown in fig. 5, in the retractable device 4, the rotary cover 401 is fixedly installed at the center of the third gear 305, the second cylinder 402 is also fixedly installed on the third gear 305, the end of the extending shaft of the second cylinder 402 is fixedly installed with the ear seat 403, the ear seat 403 is rotatably installed on the connecting rod 404, the middle of the connecting rod 404 is rotatably installed inside the pin shaft sandwiched between the two pull rods 406, the other end of the connecting rod 404 is rotatably connected to the sub-rod 408, the supporting seat 405 is fixedly installed on the third gear 305, the pin shaft in the middle of the supporting seat 405 penetrates through the pull rod 406, the tail of the pull rod 406 is rotatably installed inside the connecting seat 411, the lower end of the vertical rod 407 is rotatably installed at one end of the pull rod 406, the middle of the vertical rod 407 is rotatably connected to one end of the sub-rod 408, the connecting frame is fixedly installed at the outer part of the vertical rod 407, the main antenna 410 is fixedly installed outside the connecting. The second hydro-cylinder 402 starts, and the telescopic link of second hydro-cylinder 402 drives ear seat 403 seesaw to the one end that drives connecting rod 404 is close to, keeps away from second hydro-cylinder 402, because the middle rotatory installation of connecting rod 404 is in the round pin axle the centre of two pull rods 406 clamp-on, so reverse motion is done at the both ends of connecting rod 404 under the drive of second hydro-cylinder 402, thereby drive auxiliary rod 408, montant 407, link 409, main antenna 410 keep away from, be close to second hydro-cylinder 402. The device can realize the retraction of the main antenna.
As shown in FIG. 3, in the mobile device 2, a moving wheel 201 is rotatably mounted in the middle of a fork 202, a second bevel gear 215 is fixedly connected to the central shaft of the moving wheel 201 through the fork 202, the fork 202 is fixedly mounted right below a large plate 203, two supporting plates 205 are fixedly mounted above the large plate 203, a reinforcing rib 204 connects the large plate 203 and the supporting plates 205, a first motor 211 is fixedly mounted outside one supporting plate 205, a cover plate 206 is fixedly connected to the upper sides of the two supporting plates 205, a guide post 207 is fixedly mounted above the right side of the cover plate 206, a spring 208 is sleeved outside the guide post 207, the spring 208 is sandwiched between the cover plate 206 and a top cover 209, the top cover 209 is fixed at the top position of a first rack 210, the guide post 207 passes through the top cover 209, the first rack 210 is slidably mounted in a slot in the middle of the cover plate 206 and the large plate 203, the first motor 211 is fixedly mounted on the supporting plate 205, a first, an output shaft of the first motor 211 is extended into the support plate 205 through the support plate 205, a first gear 212 is engaged with a first rack 210, the first rack 210 is fixedly coupled to the yoke 202 through the cover plate 206 and the large plate 203, a second motor 213 is fixedly mounted on the yoke 202, an output shaft of the yoke 202 is fixedly coupled to a first bevel gear 214, the first bevel gear 214 is engaged with a second bevel gear 215, and the second bevel gear 215 is fixedly mounted on an extended portion of the moving wheel 201. An output shaft of the first motor 211 drives the first gear 212 to rotate, so as to drive the first rack 210 to slide up and down in the middle notches of the cover plate 206 and the large plate 203, thereby driving the moving wheel 201 to move up and down, and an output shaft of the second motor 213 drives the first bevel gear 214 to rotate, thereby driving the second bevel gear 215 and the moving wheel 201 to rotate. The device can realize the movement and the fixation of the whole antenna device.
As shown in fig. 4, in the rotating device 3, a flange 301 is rotatably mounted right below a large chassis 101, a main shaft 302 is fixedly mounted right above the flange 301, the main shaft 302 passes through the large chassis 101 and is fixedly connected with a third gear 305, a third motor 303 is fixedly mounted below the large chassis 101, an output shaft of the third motor 303 is fixedly mounted with a second gear 304, the second gear 304 is engaged with the third gear 305, main frames 306 are uniformly distributed on the third gear 305, the main frames 306 are fixedly welded on the third gear 305, a chute 307 and a first cylinder 318 are fixedly mounted below the third gear 305, a second rack 308 is slidably mounted inside the chute 307, the second rack 308 is engaged with a gear fixed at one end of a rotating arm 316, a tail portion of the second rack 308 is fixedly connected to an extending shaft of the first cylinder 318, one end of a main arm 317 is rotatably connected to the upper surface of the main frame 306, the other end of the main arm 317 is rotatably connected to the rotating arm 316, one end of the rotating arm 316 is rotatably connected to the main frame 306, one end of the rotating arm 316 and one end of the main arm 317 are simultaneously rotatably connected to the main frame 306, the other ends of the two rotating arms 316 are rotatably connected to two rotating shafts of the fourth extending arm 315, the fourth extending arm 315 is rotatably connected to the rotating arm 316, the middle of the fourth extending arm 315 is rotatably connected to the third extending arm 314, the lower end shaft of the fourth extending arm 315 extends out to be fixedly provided with the fourth gear 313, the two fourth gears 313 are meshed with each other to rotate, two ends of the second extending arm 312 are rotatably connected to the first extending arm 311, the other end of the first extending arm 311 is rotatably connected to the end rod 310, and the three antenna rods 309 are fixedly distributed on the end rod 310. Under the driving of the third motor 303, the second gear 304 drives the third gear 305 to rotate, so as to rotate the rotating device 3 and the retracting device 4 fixed on the rotating device 3, and under the driving of the first oil cylinder 318, the second rack 308 slides in the sliding slot 307, so as to drive the gear meshed with the second rack 308 to rotate, so as to drive one end of the rotating arm 316 to rotate, so that the other end of the rotating arm 316 performs circular motion, and at this time, 2 fourth gears 313 are meshed to rotate, so as to drive the antenna rod 309 to perform retracting and releasing actions. The device can realize the rotation of the antenna mast and the main antenna, and can realize the retraction of the antenna mast.
The working principle of the invention comprises the following steps.
Step 1: as shown in fig. 3, the first motor 211 is activated to lower the moving device 2, and the locking block 103 is far away from the ground, at which time the first motor 211 is turned off. The second bevel gear 215 rotates the moving wheel 201 under the driving of the second motor 213, so that the device can move. When the device moves to a designated position, the first motor 211 is started to lift the moving device 2, and the locking block 103 is fixed on the ground.
Step 2: as shown in fig. 4, the second gear 304 rotates the third gear 305 by the driving of the third motor 303, so that the antenna rod 309 and the main antenna 410 rotate.
And step 3: as shown in fig. 4, under the driving of the first oil cylinder 318, the second rack 308 rotates the gear to drive the antenna 309 to perform retraction.
And 4, step 4: as shown in fig. 5, under the driving of the second cylinder 402, one end of the connecting rod 404 moves back and forth, thereby driving the main antenna 410 to perform a retracting action.
Claims (8)
1. The utility model provides an antenna winding and unwinding devices, includes base (1), mobile device (2), rotary device (3), winding and unwinding devices (4), its characterized in that: the machine is characterized in that the base (1) is installed at the bottommost part of the machine, the moving device (2) is fixedly installed above the periphery of the base (1), the rotating device (3) penetrates through the base (1) and is rotatably installed on the base (1), and the retracting device (4) is fixedly installed on the rotating device (3);
the base (1) comprises: the device comprises a large chassis (101), heightening plates (102) and locking blocks (103), wherein the heightening plates (102) are fixedly and uniformly arranged below the large chassis (101), the locking blocks (103) are fixedly and fixedly arranged below every two heightening plates (102), and the locking blocks (103) are fixedly arranged on the ground through bolts;
the retractable device (4) comprises a rotary cover (401), a second oil cylinder (402), an ear seat (403), a connecting rod (404), a supporting seat (405), a pull rod (406), a vertical rod (407), an auxiliary rod (408), a connecting frame (409), a main antenna (410) and a connecting seat (411), wherein the rotary cover (401) is fixedly arranged on the center of the third gear (305), the second oil cylinder (402) is also fixedly arranged on the third gear (305), the end part of an extending shaft of the second oil cylinder (402) is fixedly provided with the ear seat (403), the ear seat (403) is rotatably arranged on the connecting rod (404), the middle of the connecting rod (404) is rotatably arranged in a pin shaft clamped between the two pull rods (406), the other end of the connecting rod (404) is rotatably connected on the auxiliary rod (408), the supporting seat (405) is fixedly arranged on the third gear (305), the pin shaft in the middle of the supporting seat (405) passes through the pull rod (406), the connecting seat (411) is rotatably mounted at the tail of the pull rod (406), the lower end of the vertical rod (407) is rotatably mounted at one end of the pull rod (406), the middle of the vertical rod (407) is rotatably connected with one end of the auxiliary rod (408), the connecting frame (409) is fixedly mounted at the outer part of the vertical rod (407), the main antenna (410) is fixedly mounted outside the connecting frame (409), and the connecting seat (411) is fixedly mounted right above the third gear (305).
2. An antenna retraction arrangement as claimed in claim 1, wherein: the moving device (2) comprises a moving wheel (201), a fork frame (202), a large plate (203), reinforcing ribs (204), a supporting plate (205), a cover plate (206), a guide post (207), a spring (208), a top cover (209), a first rack (210), a first motor (211), a first gear (212), a second motor (213), a first bevel gear (214) and a second bevel gear (215), wherein the moving wheel (201) is rotatably arranged in the middle of the fork frame (202), a central shaft of the moving wheel (201) penetrates through the fork frame (202) to be fixedly connected with the second bevel gear (215), the fork frame (202) is fixedly arranged right below the large plate (203), two supporting plates (205) are fixedly arranged above the large plate (203), the reinforcing ribs (204) are connected with the large plate (203) and the supporting plate (205), the first motor (211) is fixedly arranged outside one supporting plate (205), a cover plate (206) is fixedly connected to the upper surfaces of the two support plates (205), a guide post (207) is fixedly arranged above the right side of the cover plate (206), a spring (208) is sleeved outside the guide post (207), the spring (208) is clamped between the cover plate (206) and a top cover (209), the top cover (209) is fixed at the top position of a first rack (210), the guide post (207) penetrates through the top cover (209), the first rack (210) is slidably arranged in a middle notch between the cover plate (206) and the large plate (203), a first motor (211) is fixedly arranged on the support plates (205), a first gear (212) is fixedly arranged on an output shaft of the first motor (211), the output shaft of the first motor (211) penetrates through the support plates (205) to extend into the support plates (205), the first gear (212) is meshed with the first rack (210), the first rack (210) penetrates through the cover plate (206) and is fixedly connected with the large plate (203) on the fork frame (202), the second motor (213) is fixedly installed on the fork frame (202), the output shaft of the fork frame (202) is fixedly connected to a first bevel gear (214), the first bevel gear (214) is engaged with a second bevel gear (215), and the second bevel gear (215) is fixedly installed on the protruding part of the moving wheel (201).
3. An antenna retraction arrangement as claimed in claim 1, wherein: the rotating device (3) comprises a flange plate (301), a main shaft (302), a third motor (303), a second gear (304), a third gear (305), a main frame (306), a sliding groove (307), a second rack (308), an antenna rod (309), an end rod (310), a first stretching arm (311), a second stretching arm (312), a fourth gear (313), a third stretching arm (314), a fourth stretching arm (315), a rotating arm (316), a main arm (317) and a first oil cylinder (318), wherein the flange plate (301) is rotatably arranged under a large chassis (101), the main shaft (302) is fixedly arranged right above the flange plate (301), the main shaft (302) penetrates through the large chassis (101) and is fixedly connected with the third gear (305), the third motor (303) is fixedly arranged under the large chassis (101), an output shaft of the third motor (303) is fixedly arranged with the second gear (304), the second gear (304) is meshed with the third gear (305), the main frames (306) are uniformly distributed on the third gear (305), the main frames (306) are fixedly welded on the third gear (305), a sliding groove (307) and a first oil cylinder (318) are fixedly arranged below the third gear (305), a second rack (308) is slidably arranged in the sliding groove (307), the second rack (308) is meshed with a gear fixed at one end of a rotating arm (316), the tail part of the second rack (308) is fixedly connected to a projecting shaft of the first oil cylinder (318), one end of a main arm (317) is rotatably connected on the main frames (306), the other end of the main arm (317) is rotatably connected on the rotating arm (316), one end of the rotating arm (316) is rotatably connected on the main frames (306), one end of the rotating arm (316) and one end of the rotating arm (317) are simultaneously rotatably connected on the main frames (306), the other end swivelling joint of two rocking arms (316) is on two rotation axes of fourth arm (315) of stretching out, fourth arm (315) swivelling joint of stretching out is on rocking arm (316), the middle swivelling joint of fourth arm (315) of stretching out is third arm (314) of stretching out, the lower extreme axle of fourth arm (315) of stretching out is stretching out fixed mounting fourth gear (313), two fourth gear (313) intermeshing rotate, the first arm (311) of stretching out of both ends swivelling joint of second arm (312), end lever (310) is being connected in the other end swivelling joint of first arm (311) of stretching out, fixed distribution installs three antenna boom (309) above end lever (310).
4. An antenna retraction arrangement as claimed in claim 1, wherein: the first motor (211) and the base are fixedly installed, and the base of the first motor (211) is fixedly installed on the supporting plate (205).
5. An antenna retraction arrangement as claimed in claim 1, wherein: the second motor (213) and the base are fixedly arranged, and the base of the second motor (213) is fixedly arranged on the fork (202).
6. An antenna retraction arrangement as claimed in claim 1, wherein: the third motor (303) and the base are fixedly installed, and the base of the third motor (303) is fixedly installed on the large chassis (101).
7. An antenna retraction arrangement as claimed in claim 1, wherein: the cylinder barrel of the first oil cylinder (318) is fixedly arranged on the main frame (306).
8. An antenna retraction arrangement as claimed in claim 1, wherein: the cylinder barrel of the second oil cylinder (402) is fixedly arranged on the third gear (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010748854.3A CN111934081A (en) | 2020-07-30 | 2020-07-30 | Antenna winding and unwinding devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010748854.3A CN111934081A (en) | 2020-07-30 | 2020-07-30 | Antenna winding and unwinding devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111934081A true CN111934081A (en) | 2020-11-13 |
Family
ID=73316083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010748854.3A Withdrawn CN111934081A (en) | 2020-07-30 | 2020-07-30 | Antenna winding and unwinding devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111934081A (en) |
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| CN106450656A (en) * | 2016-11-15 | 2017-02-22 | 天津全华时代航天科技发展有限公司 | Rapid folding and unfolding device of antenna bracket and rapid folding and unfolding method of rapid folding and unfolding device |
| CN109037965A (en) * | 2018-08-09 | 2018-12-18 | 连子晴 | A kind of novel yagi aerial convenient for adjusting height |
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2020
- 2020-07-30 CN CN202010748854.3A patent/CN111934081A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604785A (en) * | 2009-06-26 | 2009-12-16 | 无锡爱达威通信科技有限公司 | A kind of retractable antenna stand device |
| CN102390585A (en) * | 2011-07-19 | 2012-03-28 | 任文 | Retractable shopping device framework, as well as corresponding shopping basket and shopping cart |
| FR2987354A1 (en) * | 2012-02-27 | 2013-08-30 | Girardot Video Comm | Foldable and unfoldable structure device i.e. telescopic mast, for implanting e.g. radar antenna, has lifting unit secured to mast at top of rotation axle in deployed position so as to exert thrust during passage of mast to position |
| CN105896020A (en) * | 2016-05-05 | 2016-08-24 | 湖南航天环宇通信科技股份有限公司 | Expandable fixed surface antenna |
| CN106450656A (en) * | 2016-11-15 | 2017-02-22 | 天津全华时代航天科技发展有限公司 | Rapid folding and unfolding device of antenna bracket and rapid folding and unfolding method of rapid folding and unfolding device |
| CN109037965A (en) * | 2018-08-09 | 2018-12-18 | 连子晴 | A kind of novel yagi aerial convenient for adjusting height |
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