CN220652321U - Large-caliber reflecting surface vehicle-mounted measurement and control antenna capable of being automatically folded and unfolded - Google Patents
Large-caliber reflecting surface vehicle-mounted measurement and control antenna capable of being automatically folded and unfolded Download PDFInfo
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Abstract
The utility model discloses a vehicle-mounted measurement and control antenna with a large-caliber reflecting surface, which can be automatically unfolded and unfolded. The reflector of antenna structure unit is formed by connecting main reflection panel, control and front and back panels and the limit piece of installing in controlling panel both ends through back frame, control between panel, front and back panel respectively and the main reflection panel, limit piece and control panel both ends are connected through electromagnetic locking mechanism respectively, electric drive tilting mechanism, electric drive rotary mechanism etc. can drive control panel, front and back panel and limit piece according to the automatic folding of transportation size requirement, folding process only needs half hour, and the precision and the stability of main and auxiliary reflection face are not influenced before and after folding, adopt electric drive mode between each part, avoided adopting hydraulic system to fold to have the oil leak potential safety hazard before and after, improved measurement and control vehicle-mounted equipment's mobility.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted measurement and control antenna radar systems, in particular to a vehicle-mounted measurement and control antenna with a large-caliber reflecting surface, which can be automatically unfolded and folded.
Background
The existing vehicle-mounted antenna is widely applied and mainly comprises an emergency communication antenna with a smaller caliber and 2.4 meters and no need of disassembly and assembly; and for the vehicle-mounted measurement and control antenna with larger depth dimension of the reflecting surface, particularly for the vehicle-mounted antenna system with the caliber of 5.5 meters, the overall automatic folding difficulty is higher, and when the height or width of the vehicle-mounted antenna is over-limited, the antenna can be folded only in a disassembly and assembly mode so as to meet the railway and highway transportation requirement, and the antenna needs to be reinstalled and unfolded when in use.
Fig. 1 shows a conventional 5.5 m vehicle-mounted measurement and control antenna device, wherein a reflecting surface inner ring panel of a vehicle-mounted station is fixed on a central body, a reflecting surface outer ring comprises 16 panels, 16 radiation beams and 16 ring beams, a traditional quick connection mode is adopted among all the components, and as the height and the width of the vehicle-mounted antenna are over-limited, when the vehicle-mounted antenna device is transported by a railway and a highway, a reflecting surface is detached to a destination, the antenna is tilted by a certain angle according to the rotating direction, an operator stands on a gooseneck of a semitrailer, radiation beams with corresponding serial numbers are symmetrically installed according to serial numbers marked on the central body, the radiation beams with corresponding serial numbers are fixed by a quick connector matched with equipment, the ring beams with corresponding serial numbers are installed, and finally the panel with the corresponding serial numbers is installed. When the panel is installed, the positioning pin holes on the panel and the positioning pins on the radiation beam are required to be matched and installed, and the panel is fixed by the quick connecting piece.
It can be seen that the existing manual disassembly and assembly method is complex in operation and extremely large in workload, the time for unfolding the antenna structure part is about 2 hours, and the risks of poor accuracy and stability of the main surface and the auxiliary surface of the antenna after disassembly and assembly exist, so that the application of the antenna reflector on the mobile carrier is seriously restricted.
Disclosure of Invention
The utility model provides a large-caliber reflecting surface vehicle-mounted measurement and control antenna capable of being automatically folded and unfolded, which aims to solve the problems that when the large-caliber reflecting surface vehicle-mounted measurement and control antenna is in railway and highway transportation, the reflecting surface is required to be disassembled and assembled due to the fact that the size is out of limit, so that the working efficiency is low, and the accuracy and stability of the main surface and the auxiliary surface of a reflector are reduced.
The technical scheme of the utility model is as follows:
the vehicle-mounted measurement and control antenna with the large-caliber reflecting surface capable of being automatically unfolded and folded comprises an antenna structure unit and an antenna base (15);
the antenna structure unit comprises a feed source and an antenna reflector (4);
the antenna reflector (4) comprises an auxiliary surface assembly, a main reflection panel, a front reflection panel, a rear reflection panel, a left reflection panel, a right reflection panel and edge blocks arranged at the front end and the rear end of the left reflection panel and the right reflection panel; when the antenna is in a folded state, the longitudinal direction of the vehicle body of the vehicle is defined as the front-back direction, and the two sides of the longitudinal direction of the vehicle body are defined as the left-right direction; when the antenna is in an unfolding state, the main reflection panel, the front reflection panel, the rear reflection panel, the left reflection panel, the right reflection panel and the side blocks are connected through the back frame to form a reflector;
the bottom end of the antenna seat (15) is rotatably connected to the vehicle and can rotate in the longitudinal plane of the vehicle; the top end of the antenna seat is connected with a back frame of the main reflecting panel through an electric rotary locking mechanism, and the electric rotary locking mechanism can drive the whole reflector to deflect in space and lock the reflector after the deflection moves in place;
the left reflecting panel and the right reflecting panel are symmetrically arranged at the left side and the right side of the main reflecting panel and are respectively connected with the main reflecting panel through an electric rotary turnover locking mechanism arranged on the back frame; when the antenna is required to be folded, the electric rotary overturning locking mechanism can drive the left reflecting panel or the right reflecting panel to be unfolded for a set angle with the main reflecting panel; after the left reflecting panel or the right reflecting panel is opened, the left reflecting panel or the right reflecting panel is driven to rotate 180 degrees around a connecting shaft with the main reflecting panel, so that the left reflecting panel or the right reflecting panel faces the bottom of the vehicle; when the left reflecting panel or the right reflecting panel is in a state of facing the bottom of the vehicle, the left reflecting panel or the right reflecting panel is driven to deflect towards the vehicle body of the vehicle, and the vehicle is locked after the left reflecting panel or the right reflecting panel is deflected in place; when the antenna is in a folded state, the maximum outline distance between the left reflecting panel and the right reflecting panel is smaller than the width limit of vehicle-mounted transportation;
the front reflecting panel and the rear reflecting panel are symmetrically arranged at the front end and the rear end of the main reflecting panel and are respectively connected with the main reflecting panel through a first electric turnover locking mechanism arranged on the back frame; when the antenna is required to be folded, the first electric turnover mechanism can drive the front reflection panel or the rear reflection panel to open to a set angle towards the front-rear direction of the main reflection panel and lock the front reflection panel or the rear reflection panel after the front reflection panel or the rear reflection panel is opened in place, so that the maximum height of the reflector is smaller than the height limit of vehicle-mounted transportation when the antenna is in a folded state;
the front end and the rear end of the left reflecting panel and the rear reflecting panel are connected with the edge blocks through a second electric turnover locking mechanism arranged on the back frame; when the antenna is required to be folded, the second electric overturning locking mechanism can drive the edge blocks to be unfolded for a set angle and locked after being unfolded in place, so that the edge blocks do not interfere with the vehicle body when the left reflecting panel or the right reflecting panel deflects towards the vehicle body of the vehicle;
the feed source and the auxiliary surface component are arranged in the middle of the main reflecting panel, the auxiliary surface component is connected to the top of the feed source through a third electric turnover locking mechanism, the third electric turnover locking mechanism can drive the auxiliary surface component to turn over at the top of the feed source for a set angle, and the auxiliary surface component is locked after turning over in place, so that the maximum height of the auxiliary surface component is smaller than the height limit of vehicle-mounted transportation when the antenna is in a folded state.
Further, the electric rotating turnover locking mechanism comprises a first electromagnetic locking mechanism, a first linear electric cylinder, a worm gear reduction driving mechanism, a rotating shaft and a second linear electric cylinder; the first electromagnetic locking mechanism is arranged on the main reflecting panel back frame and the left reflecting panel back frame or the right reflecting panel back frame, and when the antenna is unfolded through magnetic force, the main reflecting panel back frame is fixedly connected with the left reflecting panel back frame or the right reflecting panel back frame; the first linear electric cylinder is arranged on the back frame of the main reflecting panel, and the actuating end of the first linear electric cylinder can push the left reflecting panel back frame or the right reflecting panel back frame to open with the main reflecting panel by a set angle; the rotating shaft is arranged between the main reflecting panel back frame and the left reflecting panel back frame or the right reflecting panel back frame, one end of the rotating shaft is connected with the main reflecting panel back frame through a bearing, and the other end of the rotating shaft is hinged with the left reflecting panel back frame or the right reflecting panel back frame; the worm gear speed reduction driving mechanism can drive the rotating shaft to rotate, so that the left reflecting panel back frame or the right reflecting panel back frame is driven to rotate 180 degrees relative to the main reflecting panel back frame, and the left reflecting panel or the right reflecting panel faces the bottom of the carrying vehicle; the second linear electric cylinder is arranged on the back frame of the main reflecting panel, when the left reflecting panel or the right reflecting panel is in a state of facing the bottom of the vehicle, the actuating end of the second linear electric cylinder can push the back frame of the left reflecting panel or the back frame of the right reflecting panel to move around a hinge shaft with the end part of the rotating shaft, deflect towards the vehicle body of the vehicle and lock after the left reflecting panel or the right reflecting panel is deflected in place.
Further, the first electric turnover locking mechanism comprises a third linear electric cylinder, a first hinge support and a second electromagnetic locking mechanism; the second electromagnetic locking mechanism is arranged on the main reflection panel back frame and the front reflection panel back frame or the rear reflection panel back frame, and when the antenna is unfolded through magnetic force, the main reflection panel back frame is fixedly connected with the front reflection panel back frame or the rear reflection panel back frame; the third linear electric cylinder is arranged on the main reflecting panel back frame, and the actuating end of the third linear electric cylinder can push the front reflecting panel back frame or the rear reflecting panel back frame to rotate around the first hinge support, so that a set angle is opened between the third linear electric cylinder and the main reflecting panel.
Further, the second electric turnover locking mechanism comprises an electric locking push rod, a second hinge support and a third electromagnetic locking mechanism; the third electromagnetic locking mechanism is arranged on the side block back frame and the left reflecting panel back frame or the right reflecting panel back frame, and when the antenna is unfolded through magnetic force, the side block back frame is fixedly connected with the left reflecting panel back frame or the right reflecting panel back frame; the electric locking push rod is arranged on the side block back frame, and the actuating end of the electric locking push rod can be propped against the left reflecting panel back frame or the right reflecting panel back frame, so that the side block back frame rotates around the second hinge support, and a set angle is opened between the side block back frame and the left reflecting panel back frame or the right reflecting panel back frame.
Further, the third electric turnover locking mechanism comprises a motor, a locking piece and a third hinge support; the two ends of the locking piece are respectively connected with the feed source and the auxiliary surface in a combined way, and the locking piece can be fixedly connected with the feed source and the auxiliary surface in a combined way when the antenna is unfolded; the motor is arranged on the side wall of the feed source, the motor output shaft is connected with the side wall of the auxiliary surface combination, and after the locking piece is unlocked, the motor output shaft can drive the auxiliary surface combination to rotate around the third hinge support, so that the auxiliary surface combination overturning is realized.
Advantageous effects
The utility model has the advantages that:
1. according to the utility model, the left and right panels, the front and rear panels and the edge blocks arranged at the two ends of the left and right panels of the reflector are automatically turned over, so that the reflector of the large-caliber antenna is automatically and rapidly folded, and the size of the folded reflector meets the height and width requirements of railway transportation; the utility model can automatically withdraw or expand for only about 30 minutes, thereby greatly shortening the time of withdrawing and expanding, reducing the working intensity and solving the problems of large workload and long time of the traditional vehicle-mounted detachable measurement and control antenna.
2. According to the antenna reflector, the left and right panels and the main reflecting panel, the front and rear panels and the main reflecting panel are respectively connected through the corresponding electromagnetic locking mechanisms, the electric driving turnover mechanism, the electric driving rotation mechanism and the like, so that the antenna reflector is integrally folded and unfolded, the precision requirement of an antenna system is not influenced before and after folding and unfolding, the information transmission and feedback between all parts of the antenna system are efficiently coordinated, and the problems of poor precision and reduced stability of the main and auxiliary surfaces of the antenna caused by a traditional disassembly and assembly mode are solved.
3. According to the utility model, all parts of the reflector are electrically driven, so that hidden oil leakage hazards generated after the traditional hydraulic system is folded are avoided, and the maneuverability of the vehicle-mounted measurement and control equipment is improved.
Drawings
Fig. 1 is a schematic diagram of a conventional 5.5 m antenna device;
FIG. 2 is a schematic diagram of the structure of the automatic folding and unfolding device of the vehicle-mounted measurement and control antenna;
FIG. 3 is a schematic diagram of the structural units of the vehicle-mounted measurement and control antenna of the utility model;
FIG. 4 is a schematic diagram of the automatic retracting operation process of the vehicle-mounted measurement and control antenna automatic retracting device.
In the figure: 1-a tractor; 2-semitrailers; 3-antenna structural units; 4-an antenna reflector; a 5-left reflective panel; 6-right reflecting panel; 7-right front block; 8-left rear block; 9-right front block; 10-right rear block; 11-a front reflective panel; 12-a rear reflective panel; 13-a minor face assembly; 14-a main reflective panel; 15-an antenna base; 16-antenna back frame.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 2-4, a vehicle-mounted measurement and control antenna with a large-caliber reflecting surface capable of being automatically unfolded and folded is arranged on a vehicle consisting of a tractor 1 and a semitrailer 2 and mainly comprises an antenna structure unit and an antenna base 15.
The antenna structure unit 3 comprises a feed source and an antenna emitter 4. The antenna reflector 4 includes a left reflecting panel 5, a right reflecting panel 6, a left front block 7, a left rear block 8, a right front block 9, a right rear block 10, a front reflecting panel 11, a rear reflecting panel 12, a sub-surface assembly 13, a main reflecting panel 14, and an antenna back frame 16. After being unfolded, the left reflecting panel 5, the right reflecting panel 6, the left front block 7, the left rear block 8, the right front block 9, the right rear block 10, the front reflecting panel 11, the rear reflecting panel 12 and the main reflecting panel 14 are connected through the antenna back frame 16 to form an arc-shaped reflector.
The antenna structure unit 3 is arranged on the semitrailer 2 through an antenna seat 15, and realizes the ground maneuvering function under the combined action of the tractor and the semitrailer. The tractor 1 is used for providing main power output, and can select a proper vehicle according to actual engineering so as to meet the maneuvering and transportation requirements of the vehicle-mounted measurement and control antenna automatic retraction system. The semitrailer 2 provides a stable installation and fixing platform for the antenna structural unit 3, and can be selected according to actual engineering so as to meet the requirements of loading transportation standards and man-machine relation of detached parts.
The bottom end of the antenna base 15 is rotatably connected to the semi-trailer through a rotating shaft and can rotate in the longitudinal plane of the semi-trailer; the top end of the antenna base is connected with the back frame of the main reflecting panel through an electric rotary locking mechanism, and the electric rotary locking mechanism can drive the whole reflector to deflect in space and lock the reflector after the deflection moves in place.
The left reflecting panel 5 and the right reflecting panel 6 are symmetrically arranged at the left side and the right side of the main reflecting panel 14, and are respectively connected with the main reflecting panel 14 through an electric rotary turnover locking mechanism arranged on a back frame.
When the antenna is required to be folded, the electric rotating and overturning locking mechanism can drive the left reflecting panel 5 or the right reflecting panel 6 to open a first preset angle with the main reflecting panel, and the first preset angle is smaller, in this embodiment, the first preset angle is taken to be 2 degrees, so that the main purpose is to separate the left reflecting panel 5 or the right reflecting panel 6 from the main reflecting panel, and interference is avoided when the left reflecting panel 5 and the right reflecting panel 6 are rotated.
After the left reflecting panel or the right reflecting panel is opened, the electric rotary overturning locking mechanism drives the left reflecting panel or the right reflecting panel to rotate 180 degrees around a connecting shaft with the main reflecting panel, so that the left reflecting panel or the right reflecting panel faces the bottom of the carrying vehicle, and the space at two sides of the lower part of the main reflecting panel can be fully utilized to place the left reflecting panel or the right reflecting panel.
When the left reflecting panel or the right reflecting panel is in a state of facing the bottom of the vehicle, the electric rotating turnover locking mechanism can further drive the left reflecting panel or the right reflecting panel to deflect towards the vehicle body and lock the left reflecting panel or the right reflecting panel after the left reflecting panel or the right reflecting panel deflects to the vehicle body; when the antenna is in a folded state, the maximum outline distance between the left reflecting panel and the right reflecting panel is smaller than the width limit of vehicle-mounted transportation; here, the maximum profile distance between the left and right reflecting panels is the maximum width in the folded state of the antenna.
In order to achieve the above-mentioned motion relationship between the left reflecting panel 5 and the right reflecting panel 6 and the main reflecting panel 14, a specific structural form of the electric rotary flip locking mechanism is given in this embodiment, and of course, those skilled in the art can adopt other structural forms to achieve the above-mentioned functions according to basic mechanical theory.
The electric rotating turnover locking mechanism comprises a first electromagnetic locking mechanism, a first linear electric cylinder, a worm gear reduction driving mechanism, a rotating shaft and a second linear electric cylinder. In this embodiment, the electromagnetic locking mechanism adopts an electromagnetic chuck, and in the power-on state, the electromagnetic chuck is in an adsorption state, so that the structure is locked, and in the power-on state, the electromagnetic chuck is demagnetized, and the structure is unlocked.
The first electromagnetic locking mechanism is arranged on the main reflecting panel back frame and the left reflecting panel back frame or the right reflecting panel back frame, and when the antenna is unfolded through magnetic force, the main reflecting panel back frame is fixedly connected with the left reflecting panel back frame or the right reflecting panel back frame.
The first linear electric cylinder is arranged on the main reflecting panel back frame, and the actuating end of the first linear electric cylinder can push the left reflecting panel back frame or the right reflecting panel back frame to open a first preset angle with the main reflecting panel.
The rotary shaft is arranged between the main reflection panel back frame and the left reflection panel back frame or the right reflection panel back frame, one end of the rotary shaft is connected with the main reflection panel back frame through a bearing, and the other end of the rotary shaft is hinged with the left reflection panel back frame or the right reflection panel back frame.
The worm and gear speed reducing mechanism is driven by a motor to further drive the rotating shaft to rotate, so that the left reflecting panel back frame or the right reflecting panel back frame is driven to rotate 180 degrees relative to the main reflecting panel back frame, and the left reflecting panel or the right reflecting panel faces the bottom of the carrying vehicle.
The second linear electric cylinder is arranged on the back frame of the main reflecting panel, when the left reflecting panel or the right reflecting panel is in a state of facing the bottom of the vehicle, the actuating end of the second linear electric cylinder can push the back frame of the left reflecting panel or the back frame of the right reflecting panel to move around a hinge shaft with the end part of the rotating shaft, deflect 55 degrees towards the vehicle body of the vehicle and lock after the left reflecting panel or the right reflecting panel is deflected in place.
The front reflecting panel 11 and the rear reflecting panel 12 are symmetrically arranged at the front end and the rear end of the main reflecting panel 14 and are respectively connected with the main reflecting panel through a first electric turnover locking mechanism arranged on a back frame; when the antenna is required to be folded, the first electric turnover mechanism can drive the front reflection panel 11 or the rear reflection panel 12 to open a second preset angle towards the front and rear directions of the main reflection panel 14, and lock the front reflection panel or the rear reflection panel after opening in place, so that the maximum height of the reflector is smaller than the height limit of vehicle transportation when the antenna is in a folded state; the second preset angle is calculated according to the height limitation of the vehicle-mounted transportation, in this embodiment, the second preset angle is 33 °, so that after the front reflection panel 11 and the rear reflection panel 12 are opened outwards, the height of the outermost end is reduced, thereby being capable of meeting the height limitation requirement of the vehicle-mounted transportation.
In order to achieve the above-mentioned movement relationship of the front reflective panel 11 and the rear reflective panel 12 with respect to the main reflective panel 14, a specific structural form of the first electric flip-lock mechanism is given in this embodiment, and of course, those skilled in the art can adopt other structural forms to achieve the above-mentioned functions according to basic mechanical theory.
The first electric turnover locking mechanism comprises a third linear electric cylinder, a first hinge support and a second electromagnetic locking mechanism. The second electromagnetic locking mechanism may also employ an electromagnetic chuck.
The second electromagnetic locking mechanism is arranged on the main reflection panel back frame and the front reflection panel back frame or the rear reflection panel back frame, and when the antenna is unfolded through magnetic force, the main reflection panel back frame is fixedly connected with the front reflection panel back frame or the rear reflection panel back frame.
The third linear electric cylinder is arranged on the main reflecting panel back frame, and the actuating end of the third linear electric cylinder can push the front reflecting panel back frame or the rear reflecting panel back frame to rotate around the first hinge support, so that a second preset angle is opened between the third linear electric cylinder and the main reflecting panel. The first hinge support connects the main reflective panel back frame with the front reflective panel back frame or the rear reflective panel back frame.
The front and rear ends of the left reflecting panel 5 are respectively provided with a left front block 7 and a left rear block 8, and the front and rear ends of the right reflecting panel 6 are respectively provided with a right front block 9 and a right rear block 10. The four side blocks are respectively connected with the left reflecting panel 5 or the right reflecting panel 6 through a second electric turnover locking mechanism arranged on the back frame. When the antenna is required to be folded, the second electric overturning locking mechanism can drive the edge blocks to open by a third preset angle and lock the edge blocks after the edge blocks are opened in place, so that the edge blocks do not interfere with the vehicle body when the left reflecting panel or the right reflecting panel deflects towards the vehicle body of the vehicle. In this embodiment, the third preset angle is 30 °, where the edge blocks are opened to reduce the radians of the left reflecting panel 5 and the right reflecting panel 6 as much as possible, so that the left reflecting panel and the right reflecting panel can be closer to the vehicle body when being deflected toward the vehicle body.
In order to realize the motion relationship of the edge block relative to the left reflecting panel 5 or the right reflecting panel 6, a specific structural form of the second electric turnover locking mechanism is given in this embodiment, and of course, those skilled in the art can adopt other structural forms to realize the functions according to basic mechanical theory knowledge.
The second electric turnover locking mechanism comprises an electric locking push rod, a second hinge support and a third electromagnetic locking mechanism. The third electromagnetic locking mechanism can also adopt an electromagnetic chuck.
The third electromagnetic locking mechanism is arranged on the side block back frame and the left reflecting panel back frame or the right reflecting panel back frame, and when the antenna is unfolded through magnetic force, the side block back frame is fixedly connected with the left reflecting panel back frame or the right reflecting panel back frame.
The electric locking push rod is arranged on the side block back frame, and the actuating end of the electric locking push rod can be propped against the left reflecting panel back frame or the right reflecting panel back frame, so that the side block back frame rotates around the second hinge support, and a third preset angle is opened between the side block back frame and the left reflecting panel back frame or the right reflecting panel back frame. The second hinge support connects the edge block back frame with the left or right reflective panel back frame.
The feed source and the secondary surface component 13 are arranged in the middle of the main reflecting panel 14, the secondary surface component 13 is connected to the top of the feed source through a third electric turnover locking mechanism, the third electric turnover locking mechanism can drive the secondary surface component to turn over a fourth preset angle at the top of the feed source, and the secondary surface component is locked after turning over in place, so that the maximum height of the secondary surface component is smaller than the height limit of vehicle-mounted transportation when the antenna is in a folded state.
In order to realize the motion relation of the sub-surface component relative to the feed source, a specific structural form of the third electric turnover locking mechanism is provided in the embodiment, and of course, other structural forms can be adopted by a person skilled in the art according to basic mechanical theory knowledge to realize the functions.
The third electric turnover locking mechanism comprises a motor, a locking piece and a third hinge support; the two ends of the locking piece are respectively connected with the feed source and the auxiliary surface in a combined way, and the locking piece can be fixedly connected with the feed source and the auxiliary surface in a combined way when the antenna is unfolded; the motor is arranged on the side wall of the feed source, the motor output shaft is connected with the side wall of the auxiliary surface combination, and after the locking piece is unlocked, the motor output shaft can drive the auxiliary surface combination to rotate around the third hinge support, so that the auxiliary surface combination overturning is realized.
Taking a vehicle-mounted measurement and control antenna system with the caliber of 5.5 meters as an example, the automatic retraction method of the measurement and control antenna is described, and comprises the following steps:
step 1, controlling an antenna base (15) to be in a horizontal state, and controlling a reflector to be in a state facing to the upper side of a vehicle body by a first electric rotating locking mechanism; the electric rotating turnover locking mechanism, the first electric turnover locking mechanism, the second electric turnover locking mechanism and the third electric turnover locking mechanism are unlocked; i.e. all electromagnetic chucks are powered on and demagnetized.
Step 2, the electric rotating turnover locking mechanism drives the left reflecting panel and the right reflecting panel to open a first preset angle relative to the main reflecting panel (14); i.e. the first linear electric cylinder drives the left and right reflective panels 5, 6 open 2 ° with respect to the main reflective panel 14.
Step 3, the electric rotating turnover locking mechanism drives the left reflecting panel and the right reflecting panel to rotate 180 degrees around a connecting shaft with the main reflecting panel, so that the left reflecting panel or the right reflecting panel faces the bottom of the vehicle; the worm gear speed reduction driving mechanism drives the rotating shaft to rotate, so that the left reflecting panel back frame or the right reflecting panel back frame is driven to rotate 180 degrees relative to the main reflecting panel back frame.
Step 4, a second electric turnover locking mechanism drives four edge blocks arranged at the front end and the rear end of the left reflecting panel and the right reflecting panel to open at a second preset angle relative to the left reflecting panel or the right reflecting panel; the actuating end of the electric locking push rod is propped against the left reflecting panel back frame or the right reflecting panel back frame, so that the side block back frame rotates around the second hinge support, and the side block back frame and the left reflecting panel back frame or the right reflecting panel back frame are opened for 30 degrees.
Step 5, the electric rotating turnover locking mechanism drives the left reflecting panel and the right reflecting panel to deflect 55 degrees towards the car body of the car, and the left reflecting panel and the right reflecting panel are locked after the left reflecting panel and the right reflecting panel deflect to the right reflecting panel; that is, the actuating end of the second linear electric cylinder pushes the left reflecting panel back frame or the right reflecting panel back frame to move around the hinge shaft with the end part of the rotating shaft, deflect towards the car body of the car and lock after the deflection is in place. At this time, the left reflecting panel and the right reflecting panel are inwards close to the side wall of the antenna base (15), and the maximum outline distance between the left reflecting panel and the right reflecting panel is smaller than the width limit of vehicle-mounted transportation.
And 6, driving the front reflecting panel and the rear reflecting panel to open 33 degrees towards the front-back direction of the main reflecting panel by the first electric turnover locking mechanism according to the folding height requirement, namely, driving the front reflecting panel back frame or the rear reflecting panel back frame to rotate around the first hinge support by the actuating end of the third linear electric cylinder, so that the front reflecting panel back frame or the rear reflecting panel back frame is opened 33 degrees with the main reflecting panel, and locking the front reflecting panel and the rear reflecting panel after the front reflecting panel and the rear reflecting panel are opened in place, so that the maximum height of the reflecting body is smaller than the height limit of vehicle-mounted transportation when the antenna is in a folding state.
And 7, driving the secondary surface assembly to turn 158 degrees at the top of the feed source by a third electric turning locking mechanism according to the requirement of the folding height, and locking the secondary surface assembly after turning in place, so that the maximum height of the secondary surface assembly is smaller than the height limit of vehicle-mounted transportation when the antenna is in the folding state.
The withdrawing work is completed; the deployment process is opposite to the retraction process.
The whole antenna reflector is withdrawn or unfolded only for about 30 minutes, the automatic withdrawal and unfolding speed is high, the labor intensity is greatly reduced, the working efficiency is improved, and the whole size of the withdrawn antenna reflector meets the requirements of highway and railway transportation.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that various changes, modifications, substitutions and alterations can be made therein by one of ordinary skill in the art without departing from the spirit and scope of the utility model and are intended to be within the scope of the utility model.
Claims (5)
1. The vehicle-mounted measurement and control antenna with the large-caliber reflecting surface capable of being automatically unfolded and folded is characterized by comprising an antenna structure unit and an antenna base (15);
the antenna structure unit comprises a feed source and an antenna reflector (4);
the antenna reflector (4) comprises an auxiliary surface assembly, a main reflection panel, a front reflection panel, a rear reflection panel, a left reflection panel, a right reflection panel and edge blocks arranged at the front end and the rear end of the left reflection panel and the right reflection panel; when the antenna is in a folded state, the longitudinal direction of the vehicle body of the vehicle is defined as the front-back direction, and the two sides of the longitudinal direction of the vehicle body are defined as the left-right direction; when the antenna is in an unfolding state, the main reflection panel, the front reflection panel, the rear reflection panel, the left reflection panel, the right reflection panel and the side blocks are connected through the back frame to form a reflector;
the bottom end of the antenna seat (15) is rotatably connected to the vehicle and can rotate in the longitudinal plane of the vehicle; the top end of the antenna seat is connected with a back frame of the main reflecting panel through an electric rotary locking mechanism, and the electric rotary locking mechanism can drive the whole reflector to deflect in space and lock the reflector after the deflection moves in place;
the left reflecting panel and the right reflecting panel are symmetrically arranged at the left side and the right side of the main reflecting panel and are respectively connected with the main reflecting panel through an electric rotary turnover locking mechanism arranged on the back frame; when the antenna is required to be folded, the electric rotary overturning locking mechanism can drive the left reflecting panel or the right reflecting panel to be unfolded for a set angle with the main reflecting panel; after the left reflecting panel or the right reflecting panel is opened, the left reflecting panel or the right reflecting panel is driven to rotate 180 degrees around a connecting shaft with the main reflecting panel, so that the left reflecting panel or the right reflecting panel faces the bottom of the vehicle; when the left reflecting panel or the right reflecting panel is in a state of facing the bottom of the vehicle, the left reflecting panel or the right reflecting panel is driven to deflect towards the vehicle body of the vehicle, and the vehicle is locked after the left reflecting panel or the right reflecting panel is deflected in place; when the antenna is in a folded state, the maximum outline distance between the left reflecting panel and the right reflecting panel is smaller than the width limit of vehicle-mounted transportation;
the front reflecting panel and the rear reflecting panel are symmetrically arranged at the front end and the rear end of the main reflecting panel and are respectively connected with the main reflecting panel through a first electric turnover locking mechanism arranged on the back frame; when the antenna is required to be folded, the first electric overturning locking mechanism can drive the front reflecting panel or the rear reflecting panel to open a set angle to the front and rear directions of the main reflecting panel and lock the front reflecting panel or the rear reflecting panel after the front reflecting panel or the rear reflecting panel is opened in place, so that the maximum height of the reflector is smaller than the height limit of vehicle-mounted transportation when the antenna is in a folded state;
the front end and the rear end of the left reflecting panel and the rear reflecting panel are connected with the edge blocks through a second electric turnover locking mechanism arranged on the back frame; when the antenna is required to be folded, the second electric overturning locking mechanism can drive the edge blocks to be unfolded for a set angle and locked after being unfolded in place, so that the edge blocks do not interfere with the vehicle body when the left reflecting panel or the right reflecting panel deflects towards the vehicle body of the vehicle;
the feed source and the auxiliary surface component are arranged in the middle of the main reflecting panel, the auxiliary surface component is connected to the top of the feed source through a third electric turnover locking mechanism, the third electric turnover locking mechanism can drive the auxiliary surface component to turn over at the top of the feed source for a set angle, and the auxiliary surface component is locked after turning over in place, so that the maximum height of the auxiliary surface component is smaller than the height limit of vehicle-mounted transportation when the antenna is in a folded state.
2. The vehicle-mounted measurement and control antenna with the large-caliber reflecting surface capable of being automatically unfolded and folded according to claim 1, wherein the electric rotating and overturning locking mechanism comprises a first electromagnetic locking mechanism, a first linear electric cylinder, a worm gear speed reduction driving mechanism, a rotating shaft and a second linear electric cylinder;
the first electromagnetic locking mechanism is arranged on the main reflecting panel back frame and the left reflecting panel back frame or the right reflecting panel back frame, and when the antenna is unfolded through magnetic force, the main reflecting panel back frame is fixedly connected with the left reflecting panel back frame or the right reflecting panel back frame;
the first linear electric cylinder is arranged on the back frame of the main reflecting panel, and the actuating end of the first linear electric cylinder can push the left reflecting panel back frame or the right reflecting panel back frame to open with the main reflecting panel by a set angle;
the rotating shaft is arranged between the main reflecting panel back frame and the left reflecting panel back frame or the right reflecting panel back frame, one end of the rotating shaft is connected with the main reflecting panel back frame through a bearing, and the other end of the rotating shaft is hinged with the left reflecting panel back frame or the right reflecting panel back frame;
the worm gear speed reduction driving mechanism can drive the rotating shaft to rotate, so that the left reflecting panel back frame or the right reflecting panel back frame is driven to rotate 180 degrees relative to the main reflecting panel back frame, and the left reflecting panel or the right reflecting panel faces the bottom of the carrying vehicle;
the second linear electric cylinder is arranged on the back frame of the main reflecting panel, when the left reflecting panel or the right reflecting panel is in a state of facing the bottom of the vehicle, the actuating end of the second linear electric cylinder can push the back frame of the left reflecting panel or the back frame of the right reflecting panel to move around a hinge shaft with the end part of the rotating shaft, deflect towards the vehicle body of the vehicle and lock after the left reflecting panel or the right reflecting panel is deflected in place.
3. The vehicle-mounted measurement and control antenna with the large-caliber reflecting surface capable of being automatically unfolded and folded according to claim 1, wherein the first electric overturning locking mechanism comprises a third linear electric cylinder, a first hinge support and a second electromagnetic locking mechanism;
the second electromagnetic locking mechanism is arranged on the main reflection panel back frame and the front reflection panel back frame or the rear reflection panel back frame, and when the antenna is unfolded through magnetic force, the main reflection panel back frame is fixedly connected with the front reflection panel back frame or the rear reflection panel back frame;
the third linear electric cylinder is arranged on the main reflecting panel back frame, and the actuating end of the third linear electric cylinder can push the front reflecting panel back frame or the rear reflecting panel back frame to rotate around the first hinge support, so that a set angle is opened between the third linear electric cylinder and the main reflecting panel.
4. The vehicle-mounted measurement and control antenna with the large-caliber reflecting surface capable of being automatically unfolded and folded according to claim 1, wherein the second electric overturning locking mechanism comprises an electric locking push rod, a second hinged support and a third electromagnetic locking mechanism;
the third electromagnetic locking mechanism is arranged on the side block back frame and the left reflecting panel back frame or the right reflecting panel back frame, and when the antenna is unfolded through magnetic force, the side block back frame is fixedly connected with the left reflecting panel back frame or the right reflecting panel back frame;
the electric locking push rod is arranged on the side block back frame, and the actuating end of the electric locking push rod can be propped against the left reflecting panel back frame or the right reflecting panel back frame, so that the side block back frame rotates around the second hinge support, and a set angle is opened between the side block back frame and the left reflecting panel back frame or the right reflecting panel back frame.
5. The vehicle-mounted measurement and control antenna with the large-caliber reflecting surface capable of being automatically unfolded and folded according to claim 1, wherein the third electric overturning locking mechanism comprises a motor, a locking piece and a third hinge support;
the two ends of the locking piece are respectively connected with the feed source and the auxiliary surface in a combined way, and the locking piece can be fixedly connected with the feed source and the auxiliary surface in a combined way when the antenna is unfolded; the motor is arranged on the side wall of the feed source, the motor output shaft is connected with the side wall of the auxiliary surface combination, and after the locking piece is unlocked, the motor output shaft can drive the auxiliary surface combination to rotate around the third hinge support, so that the auxiliary surface combination overturning is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322362426.9U CN220652321U (en) | 2023-08-31 | 2023-08-31 | Large-caliber reflecting surface vehicle-mounted measurement and control antenna capable of being automatically folded and unfolded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322362426.9U CN220652321U (en) | 2023-08-31 | 2023-08-31 | Large-caliber reflecting surface vehicle-mounted measurement and control antenna capable of being automatically folded and unfolded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220652321U true CN220652321U (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322362426.9U Active CN220652321U (en) | 2023-08-31 | 2023-08-31 | Large-caliber reflecting surface vehicle-mounted measurement and control antenna capable of being automatically folded and unfolded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220652321U (en) |
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2023
- 2023-08-31 CN CN202322362426.9U patent/CN220652321U/en active Active
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