CN203386882U - Vehicle-mounted antenna - Google Patents
Vehicle-mounted antenna Download PDFInfo
- Publication number
- CN203386882U CN203386882U CN201320277528.4U CN201320277528U CN203386882U CN 203386882 U CN203386882 U CN 203386882U CN 201320277528 U CN201320277528 U CN 201320277528U CN 203386882 U CN203386882 U CN 203386882U
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- antenna
- jib
- drive rod
- hinged
- vehicle
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Abstract
The utility model discloses a vehicle-mounted antenna used for a vehicle device. The vehicle-mounted antenna comprises a rack 1, a supporting member and an antenna arm rack 5. The improvement of the utility model is that the supporting member comprises a driving rod 2, a driven rod 3 and a hydraulic ram 4. The vehicle-mounted antenna of the utility model guarantees that the gravity positions of the antenna in a horizontal direction change rarely when the antenna is folded and unfolded, is simple in mechanism, good in rigidity, few in driving elements and strong in system reliability, has the compact appearance and dimension when being folded, and is especially suitable for a vehicle-mounted device.
Description
Technical field
The utility model relates to a kind of car antenna, and particularly a kind of expansion and gathering action of falling to erect winding machine vehicular antenna equipment, belong to the vehicle accessory technical field.
Background technology
Flourish along with the China's national defense technology, mobility to electronic equipments such as communication, radars is had higher requirement, in order to guarantee needed technique and tactics index in actual combat, maneuverability simultaneously that there is again rapid transfer, these equipment usually are designed to vehicle-mounted form, therefore just need antenna lifting and Erecting organ to realize following functions: electronic equipment to be given rise to certain height and luffing angle under its operating state, under driving cycle, antenna is drawn in and meets the general road standard dimensional requirement high to length and width.Have at present following several antenna to launch to remove both at home and abroad and receive mechanism: 1, switching mechanism: the antenna jib carries out rotary movement around a certain fixedly hinge; 2, telescoping mechanism: carry out lifting by a few joint inner-outer sleeve cartridge type telescopic arms and remove the receipts action; 3, folding arm mechanism: the jackknife action by some joint antenna jibs carries out lifting and removes receipts; 4, scissors fork mechanism: realize lifting and the decline of antenna equipment by several scissors forks.Above several mechanism has different technical advantages but also has its problem separately, and as switching mechanism and folding arm mechanism, position of centre of gravity under gathering and expansion operating mode alters a great deal; Although and telescoping mechanism and the scissors fork mechanism position of centre of gravity on along continuous straight runs under expansion and rounding state changes little, but there is the bad shortcoming of system rigidity, if above several Mechanism Combination application can be caused to mechanism's complexity again, driving element is many, the drawback that system reliability reduces.Therefore need at present a kind of antenna lifting and Erecting organ that can overcome above-mentioned shortcoming in relevant industries.
Summary of the invention
The purpose of this utility model is to provide a kind of expansion and gathering action of falling to erect winding machine vehicular antenna equipment, compare and there is following several technical advantage with antenna development mechanism in the past: when the utility model is guaranteed antenna rounding state and deployed condition on the antenna horizontal direction position of centre of gravity change little, simple and the good rigidly of its mechanism, driving element is few, system reliability is strong, under rounding state, mechanism's overall dimension compactness, be particularly useful for mobile unit.
For achieving the above object, the utility model adopts following technical scheme:
A kind of car antenna, for vehicle arrangement, comprise frame 1, strutting piece and antenna jib 5; Its improvements are: described strutting piece comprises drive rod 2, follower lever 3 and hydraulic jack 4.
Wherein, described drive rod 2 one ends and described frame 1 are hinged, and the other end and described antenna jib 5 are hinged; Described hydraulic jack 4 one ends and described frame 1 are hinged, and the other end and described drive rod 2 are hinged; Described follower lever 3 one ends and described frame 1 are hinged, and the lower end of the other end and described antenna jib 5 is hinged.
Wherein, the pin joint of described drive rod 2 and described antenna jib 5 is positioned between the pin joint of described antenna jib 5 head ends and described antenna jib 5 and follower lever 3.
Wherein, described drive rod 2 one ends and described antenna jib 5 pin joints are positioned under the central point of vertical direction of described antenna jib 5.
Wherein, when described hydraulic jack 4 gives rise to 90 ° of horizontal directions, described drive rod 2 and follower lever 3 are less than 90 ° with the horizontal direction angle.
Owing to having adopted technique scheme, the beneficial effect that the utility model obtains is:
1, under drive rod under position of articulating point and hydraulic jack and follower lever position of articulating point be located on same level, guarantee that antenna can fully launch, obtain larger reverse angle, and the height dimension of mechanism is little under rounding state.
2, on rounding state and deployed condition antenna horizontal direction, position of centre of gravity changes not quite, brings like this two benefits:
1), after avoiding vehicle (chassis) leveling, position of centre of gravity changes the adverse effect that levelness is caused;
2) antenna equipment often needs to carry out the continuous rotation scanning motion, by the position of articulating point of adjusting each rod member in linkage, the position of centre of gravity of antenna equipment is remained unchanged, and reduces the moment of inertia of system, increases the stability of a system;
3, can realize lifting and two actions of pitching of antenna jib by an actuator, mechanism is simple simultaneously, and driving element is few, improves the reliability of system;
4, mechanism's overall dimension compactness under rounding state, bulk is arranged nervous occasion, is particularly useful for mobile unit;
5, in mechanism, all rod members all adopt articulated form, and the shaft hole matching gap is controlled well, mechanism's good rigidly.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of car antenna under rounding state;
Fig. 2 is the structural representation of a kind of car antenna under deployed condition;
The course of action schematic diagram that Fig. 3 is a kind of car antenna is wherein:
The 1-frame, 2-drive rod, 3-follower lever, 4-hydraulic jack, 5-antenna jib.
Embodiment
As shown in Figure 1 and Figure 2, a kind of car antenna provided by the utility model, comprise, frame 1, drive rod 2, follower lever 3, hydraulic jack 4, antenna jib 5.
Frame 1, drive rod 2, follower lever 3, hydraulic jack 4 form a linkage with antenna jib 5 in the mode of being articulated and connected, and wherein hydraulic jack 4 is driving element; Its mid frame 1, for falling to erect the base of mechanism, is furnished with hinge under drive rod on it, hinge under hinge and hydraulic jack under follower lever, be connected with drive rod, follower lever and hydraulic jack by connecting axle respectively.
As shown in Figure 2, frame 1 is hinged with drive rod 2, follower lever 3 and hydraulic jack 4 respectively by three connecting axles; 2 times hinges of drive rod are hinged on frame 1, and upper hinge is hinged on antenna jib 5; The stiff end of hydraulic jack 4 is hinged on frame 1, and sliding end is hinged on drive rod 2; 3 times hinges of follower lever are hinged on frame 1, and upper hinge is hinged on antenna jib 5; The pin joint of drive rod 2 and antenna jib 5 is positioned between the pin joint of described antenna jib 5 head ends and described antenna jib 5 and follower lever 3; Drive rod 2 and antenna jib 5 pin joints are positioned under the central point of vertical direction of antenna jib 5; For guaranteeing that single unit system can carry out proper motion, between rod member, the distance of pin joint need meet certain proportionate relationship with each rod member length; The luffing angle of antenna jib 5 can determine by the proportionate relationship of adjusting each connecting rod rod member length, and luffing angle is 0 °-90 °; On the antenna jib, antenna mounted electronics is installed, the stretching motion by hydraulic jack 4 completes lifting and rotation to 90 ° of two actions, and two actions are synchronously carried out, and its motion process as shown in Figure 3.
Frame 1 is provided with control system, the controlled system of hydraulic jack 4 is controlled, the stretching motion that comprises himself, also make flip-flop movement around the connecting axle with frame 1 simultaneously, flexible and flip-flop movement by hydraulic jack 4 makes drive rod 2 make flip-flop movement around the connecting axle with frame 1, and then driven antenna jib 5 and follower lever 3 make flip-flop movement by pin joint, to realize that antenna falls perpendicular mechanism and draws in and launch action.
When hydraulic jack 4 is done extensional motion, drive rod 2 edge and frame 1 hinged place installation shaft counter-clockwise swings, drive follower lever 3 motions, and its direction of motion is identical with drive rod 2 directions of motion, edge and frame 1 hinged place installation shaft counter-clockwise swing; Antenna jib 5 launches thereupon simultaneously, along clockwise rotating with the strutting piece hinged place;
When hydraulic jack 4 is done contractile motion, drive rod 2, along swinging clockwise with frame 1 hinged place installation shaft, drives follower lever 3 motions, and its direction of motion is identical with drive rod 2 directions of motion, along swinging clockwise with frame 1 hinged place installation shaft; Antenna jib 5 closes up simultaneously, along rotating counterclockwise with the strutting piece hinged place;
In whole motion process, the stretching speed by control system regulator solution compressing cylinder 4, to regulate the flip angle speed of antenna jib 5, makes more even running of mechanism.
The position of the pin joint of drive rod and frame, on same level, guarantee that antenna can fully launch with the position of follower lever and frame pin joint, obtain larger flip angle, and the height dimension of mechanism is little under rounding state.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although with reference to above-described embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of this claim scope.
Claims (4)
1. a car antenna, for vehicle arrangement, comprise frame (1), strutting piece and antenna jib (5); It is characterized in that: described strutting piece comprises drive rod (2), follower lever (3) and hydraulic jack (4);
Described drive rod (2) one ends and described frame (1) are hinged, and the other end and described antenna jib (5) are hinged; Described hydraulic jack (4) one ends and described frame (1) are hinged, and the other end and described drive rod (2) are hinged; Described follower lever (3) one ends and described frame (1) are hinged, and the lower end of the other end and described antenna jib (5) is hinged.
2. car antenna according to claim 1, is characterized in that, the pin joint of described drive rod (2) and antenna jib (5) is positioned between the pin joint of described antenna jib (5) head end and described antenna jib (5) and follower lever (3).
3. car antenna according to claim 2, is characterized in that, described drive rod (2) one ends and antenna jib (5) pin joint are positioned under the central point of vertical direction of described antenna jib (5).
4. car antenna according to claim 1, it is characterized in that: the expanded angle of described antenna jib (5) is 0-90 °, the flip angle of described drive rod (2) is less than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320277528.4U CN203386882U (en) | 2013-05-21 | 2013-05-21 | Vehicle-mounted antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320277528.4U CN203386882U (en) | 2013-05-21 | 2013-05-21 | Vehicle-mounted antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386882U true CN203386882U (en) | 2014-01-08 |
Family
ID=49875336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320277528.4U Expired - Lifetime CN203386882U (en) | 2013-05-21 | 2013-05-21 | Vehicle-mounted antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203386882U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532221A (en) * | 2016-09-29 | 2017-03-22 | 中国电子科技集团公司第二十九研究所 | Antenna folding and unfolding structure |
| CN110307197A (en) * | 2019-05-29 | 2019-10-08 | 北京航天发射技术研究所 | A kind of attitude adjusting method and hydraulic system for antenna measurement |
| CN111174639A (en) * | 2020-01-10 | 2020-05-19 | 北京机械设备研究所 | Connecting rod type vehicle-mounted erecting device for aircraft launching and erecting method |
| CN112382841A (en) * | 2020-11-11 | 2021-02-19 | 中国电子科技集团公司第十四研究所 | Cascade, inverted and follow-up supporting device for weak-rigidity radar antenna |
-
2013
- 2013-05-21 CN CN201320277528.4U patent/CN203386882U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532221A (en) * | 2016-09-29 | 2017-03-22 | 中国电子科技集团公司第二十九研究所 | Antenna folding and unfolding structure |
| CN110307197A (en) * | 2019-05-29 | 2019-10-08 | 北京航天发射技术研究所 | A kind of attitude adjusting method and hydraulic system for antenna measurement |
| CN111174639A (en) * | 2020-01-10 | 2020-05-19 | 北京机械设备研究所 | Connecting rod type vehicle-mounted erecting device for aircraft launching and erecting method |
| CN111174639B (en) * | 2020-01-10 | 2022-10-04 | 北京机械设备研究所 | Connecting rod type vehicle-mounted erecting device for aircraft launching and erecting method |
| CN112382841A (en) * | 2020-11-11 | 2021-02-19 | 中国电子科技集团公司第十四研究所 | Cascade, inverted and follow-up supporting device for weak-rigidity radar antenna |
| CN112382841B (en) * | 2020-11-11 | 2022-06-10 | 中国电子科技集团公司第十四研究所 | Cascade, inverted and follow-up supporting device for weak-rigidity radar antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |