CN106099304B - Cable drum device and lifting antenna system with same - Google Patents
Cable drum device and lifting antenna system with same Download PDFInfo
- Publication number
- CN106099304B CN106099304B CN201610631853.4A CN201610631853A CN106099304B CN 106099304 B CN106099304 B CN 106099304B CN 201610631853 A CN201610631853 A CN 201610631853A CN 106099304 B CN106099304 B CN 106099304B
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- cable
- wire spool
- rotary joint
- cable drum
- inner shaft
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
-
- 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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- Details Of Aerials (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention discloses a cable drum device, comprising: the cable winding device comprises a fixing mechanism, a wire spool arranged on the fixing mechanism, and a cable orderly wound on the wire spool along one direction. The fixing mechanism includes: the wire spool is arranged between the two supporting plates, an inner shaft penetrating through two ends of the wire spool is arranged in the center of the wire spool, the wire spool is sleeved on the spring coiling device, the inner shaft penetrates through the spring coiling device and is internally provided with a rotary joint, and the inner end of the cable is electrically connected with one end of the rotary joint. The invention also provides a lifting antenna system with the cable drum device. The invention realizes the function of fully-automatic cable winding and unwinding, and has simple operation and high winding and unwinding efficiency.
Description
Technical Field
The invention relates to the technical field of antenna equipment, in particular to a cable drum device and a lifting antenna system.
Background
An antenna is a component used in a radio device for transmitting or receiving electromagnetic waves, which converts a guided wave propagating on a transmission line into or vice versa an electromagnetic wave propagating in an unbounded medium. At present, the antenna system is applied to the fields of public security, fire protection, communication and military, such as a lifting antenna system arranged on a satellite news interview vehicle, a relay vehicle, a military vehicle, a public security command vehicle and other special vehicles.
The lifting antenna system usually comprises a mast capable of being lifted electrically or pneumatically, an antenna system arranged at the top of the lifting mast, and a cable connected with the antenna system, wherein the corresponding cable winding and unwinding actions during the lifting of the mast are completed manually, especially after the mast is retracted, the cable is scattered disorderly and scattered on the ground, the cable needs to be manually rearranged and stored, and the cable is often wound together due to too long cable, so that the arrangement is quite troublesome, the labor is wasted, and the efficiency is very low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a cable drum device and a lifting antenna system, the cable drum device can smoothly take up and pay off cables, the recovery force is small, the ascending action of a mast is not influenced, when the mast descends and contracts, the cables descend together, the cable drum orderly takes up the cables, the operation is simple, and the take-up and pay-off efficiency is high.
The technical scheme adopted by the invention is to design a cable drum device, which comprises: the cable winding device comprises a fixing mechanism, a wire spool arranged on the fixing mechanism, and a cable orderly wound on the wire spool along one direction.
The fixing mechanism includes: the spring coiling device comprises a shell and at least one coil spring arranged in the shell, wherein the outer end of the coil spring is fixed on the shell.
The wire spool is positioned between the two supporting plates, the center of the wire spool is sleeved on the coil spring device and is fixedly connected with the shell, the center of the coil spring device is provided with inner shafts penetrating through two ends of the wire spool, and the inner shafts are inserted into the coil springs and are connected with the inner ends of the coil springs. Two ends of the inner shaft are fixedly connected to the two supporting plates, the inner portion of the inner shaft is hollow and is provided with a rotary joint, the inner end of the cable is electrically connected with one end of the rotary joint, and the other end of the rotary joint can be connected with an external connecting wire.
Preferably, the fixing mechanism is further provided with a guide device positioned above the wire spool, the guide device is composed of a bracket fixedly connected with the fixing mechanism and a guide wheel hinged on the bracket, and a hinged shaft of the guide wheel is parallel to the inner shaft. A wire passing gap is arranged between the bracket and the guide wheel, the outer end of the cable passes through the wire passing gap from bottom to top, and a clamping block with the size larger than the wire passing gap is fixed at the outer end of the cable.
Preferably, the outer end of the cable is further connected with a chain.
Preferably, two coil springs are arranged in the coil spring device side by side along the axial direction of the inner shaft, and the installation directions of the two coil springs are opposite.
Preferably, the inner ends of the two coil springs are bent to form hooks, two hook grooves matched with the hooks are formed in the surface of the inner shaft respectively, and the hook grooves are communicated to the end face of the inner shaft, facing the coil spring device.
Preferably, one side of the fixing mechanism is further provided with a junction box, a connecting seat is arranged outside the junction box, and the connecting seat is electrically connected with the other end of the rotary joint.
The invention also provides a lifting antenna system with the cable drum device, which comprises: the device comprises an electric lifting mast, an antenna system fixed at the top of the electric lifting mast, a cable drum device fixed at one side of the bottom of the electric lifting mast, and a control end for controlling the lifting action of the electric lifting mast. The outer end of the cable in the cable drum device is electrically connected with the antenna system, and the fixed end of the rotary joint in the cable drum device is electrically connected with the control end.
Compared with the prior art, the cable winding device has the advantages that the cable is orderly wound on the wire spool, the wire spool is installed on the fixing mechanism with the coil spring device, the coil spring device is connected with the inner shaft of the wire spool, when the cable is pulled by external force, the wire spool rotates to pull the coil spring to generate recovery force, when the external force disappears, the wire spool rotates under the recovery force of the coil spring, the cable is automatically and orderly recovered, the operation is very simple, and the winding and unwinding efficiency is high.
Drawings
The invention is described in detail below with reference to examples and figures, in which:
FIG. 1 is a schematic front view of the present invention in its entirety;
FIG. 2 is a side schematic view of the invention as a whole;
FIG. 3 is a schematic view of the mounting of the spring coiling apparatus of the present invention;
FIG. 4 is a schematic view of the structure of the wire spool according to the present invention;
FIG. 5 is a schematic view of the construction of the hook of the present invention;
FIG. 6 is a schematic view of the structure of the hook groove of the present invention;
FIG. 7 is a schematic view showing the structure of the hook and hook groove installation of the present invention;
fig. 8 is a schematic structural diagram of the elevating antenna system of the present invention.
Detailed Description
As shown in fig. 1 and 2, the cable reel device of the present invention includes: fixing mechanism 1, wire spool 2 and cable 3 etc.
As shown in fig. 2 and 3, the fixing mechanism 1 is used for mounting and fixing the wire spool 2, and mainly includes: the spring coiling device comprises a bottom plate 11, a front supporting plate 12 and a rear supporting plate 13 which are fixed on the bottom plate 11, and a spring coiling device positioned between the front supporting plate 12 and the rear supporting plate 13, wherein the front supporting plate 12 and the rear supporting plate 13 are parallel and face to each other, the spring coiling device is composed of a shell 14 and at least one coil spring 15 arranged on the shell 14, and the outer end of the coil spring 15 is fixed on the shell 14.
As shown in fig. 4, the spool 2 is positioned between the front support plate 12 and the rear support plate 13, and is formed of a bobbin 21 and two baffles 22 fixed to both ends of the bobbin 21, and the cable 3 is sequentially wound on the bobbin 21 in one direction. The center of the wire spool 2 is sleeved on the coil spring device and fixedly connected with the shell 14, the center of the coil spring device is provided with an inner shaft 23 penetrating through the coil spring 15, the inner end of the coil spring 15 is connected on the inner shaft 23, and two ends of the inner shaft 23 extend out of the wire spool 2 and are respectively fixed on the front support plate 12 and the rear support plate 13.
When the outer end of the cable 3 is pulled by external force, the wire spool 2 drives the shell 14 to rotate together, the outer end of the coil spring 15 is pulled to deform to generate recovery force, and when the pulling force on the cable 3 disappears or is smaller than the recovery force of the coil spring 15, the coil spring 15 drives the wire spool 2 to rotate together due to recovery deformation, so that the cable 3 is orderly wound back to the wire spool 21.
The inner shaft 23 is a hollow tubular structure, a rotary joint is arranged in the inner shaft, the rotary joint is a transitional connection device arranged between two connecting wires, the two ends of the rotary joint are respectively a rotating end and a fixed end, the inner end of the cable 3 is electrically connected with one end of the rotary joint, and the other end of the rotary joint is fixed on the front support plate 12 and can be connected with an external connecting wire. In this embodiment, in order to facilitate wiring, one side of the front support plate 12 is provided with a junction box 4, and the outside of the junction box 4 is provided with a connecting seat 5, and an external connection wire and the other end of the rotary joint are connected through the connecting seat 5.
The rotary joint is common in antenna equipment, communication equipment and the like, can be directly selected and purchased from existing products in the market, and the specific structure of the rotary joint can refer to the utility model patent with the publication number of CN 205231430U. When the cable 3 is wound or unwound, the cable 3 and an external connecting line are actually connected through a rotary joint, and then high-frequency signals can be continuously transmitted outwards. The miniature high-frequency rotary joint with the frequency of 18GHz is selected, the loss is only 0.4dB (including cables) under the condition of 2GHz, the loss fluctuation is less than 0.05dB, the performance is excellent, and the miniature high-frequency rotary joint is suitable for antenna radars of different types.
Preferably, as shown in fig. 1 and 2, the top end of the front support plate 12 is bent inward to form a mounting plate located above the wire spool 2, the mounting plate is provided with a guide device 6, the guide device 6 is composed of a bracket 61 and a guide wheel 62 hinged on the bracket 61, one end of the bracket 61 is fixed on the mounting plate, the other end of the bracket 61 extends out of the mounting plate, the guide wheel 62 is hinged on the end of the bracket 61 extending out of the mounting plate, a hinged shaft is parallel to the inner shaft 23, a wire passing gap is arranged between the bracket 61 and the guide wheel 62, the outer end of the cable 3 passes through the wire passing gap from bottom to top, and the cable 3 can be wound on the wire spool 2 regularly and orderly through the guide. Preferably, a clamping block 31 is further fixed at the outer end of the cable 3, the size of the clamping block 31 is larger than the wire passing gap, the outer end of the cable 3 is clamped on the guide device 6 through the clamping block 31, so that the coil spring 15 has a certain retraction force after the cable 3 is completely retracted, and the wire spool 3 can also be stably positioned on the fixing mechanism 1 when not in use. Furthermore, the outer end of the cable 3 is also connected with a chain 32, and the top end of the chain 32 can be connected with an external telescopic device, so that the pulling force is prevented from directly acting on the outer end connector of the cable 3 when the external telescopic device is used for pulling.
As shown in fig. 5, 6 and 7, in the present embodiment, two coil springs 15 are arranged in the coil spring device side by side along the axial direction of the inner shaft 23, and the installation directions of the two coil springs 15 are opposite, so that a larger winding and unwinding range of the cable is ensured, and the retraction force of the bobbin during the winding and unwinding process of the cable is more gradual. The inner ends of the two coil springs 15 are bent to form hooks 16, two hook grooves 24 matched with the hooks 16 are formed in the surface of the inner shaft 23 respectively, the hook grooves 24 are communicated to the inner shaft 23 and face the end face of the coil spring device, and the hooks are inserted into the hook grooves 24 to be connected and positioned when the wire spool 2 is installed.
Still further, all joint connection department all adopt waterproof design in the cable drum device, and waterproof design can adopt waterproof glue or sealing washer etc. and whole protection level can reach IP66, and the outside adopts special lacquer kind, and coaxial cable adopts LMR series low-loss cable to fire-retardant, mould proof, structure material are stainless steel 304, and is rust-resistant and intensity high, antidetonation protecting against shock.
As shown in fig. 8, the present invention further provides a lifting antenna system having the above cable drum device, wherein the lifting antenna system is an application example of the cable drum device, and comprises: an electrically liftable mast 7, an antenna system 8, a cable drum device and a control end 9. The electric lifting mast 7 is composed of a mast capable of lifting up and down and a motor for driving the mast to lift, an antenna system 8 is fixed at the top of the mast and used for transmitting or receiving electromagnetic waves, and a control end 9 is arranged outside the mast and used for controlling the working state of the motor. The cable drum device is fixed on one side of the bottom of the mast, the outer end of the cable 3 is electrically connected with the antenna system 8, the top end of the chain 32 is fixed on the top of the mast, and the control end 9 is connected with the connecting seat 5 through a connecting wire.
When the device is used, the control end 9 controls the lifting action of the mast, the cable 3 is lifted under the pulling action of the mast or retracted under the recovery force of the coil spring 15, meanwhile, the cable drum device completes the signal transmission and interaction between the control end 9 and the antenna system 8 through an internal rotary joint, and the whole process does not need any manual treatment on the cable 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A cable drum apparatus, comprising: a fixing mechanism (1), a wire spool (2) arranged on the fixing mechanism (1), and cables (3) orderly wound on the wire spool (2) along one direction, characterized in that,
the fixing mechanism (1) comprises: the spring coiling device comprises a bottom plate (11), two parallel and opposite supporting plates and a spring coiling device, wherein the two supporting plates are fixed on the bottom plate (11), the spring coiling device is positioned between the two supporting plates and consists of a shell (14) and at least one coil spring (15) arranged in the shell (14), and the outer end of the coil spring (15) is fixed on the shell (14);
the wire spool (2) is positioned between the two supporting plates, the center of the wire spool (2) is sleeved on the coil spring device and is fixedly connected with the shell (14), an inner shaft (23) penetrating through two ends of the wire spool (2) is arranged at the center of the coil spring device, and the inner shaft (23) is inserted into the coil spring (15) and is connected with the inner end of the coil spring (15);
two ends of the inner shaft (23) are fixedly connected to the two supporting plates, the inner shaft (23) is hollow and is provided with a rotary joint, the rotary joint is a transitional connecting device arranged between the two connecting lines, and the two ends are respectively a rotating end and a fixed end;
the inner end of the cable (3) is electrically connected with one end of the rotary joint, the other end of the rotary joint can be connected with an external connecting wire, and high-frequency signals are uninterruptedly transmitted outwards through the rotary joint.
2. The cable drum device according to claim 1, characterized in that the fixing mechanism (1) is further provided with a guide device (6) above the wire spool (2), the guide device (6) is composed of a bracket (61) fixedly connected with the fixing mechanism (1) and a guide wheel (62) hinged on the bracket (61), and the hinging axis of the guide wheel (62) is parallel to the inner shaft (23);
a wire passing gap is arranged between the bracket (61) and the guide wheel (62), the outer end of the cable (3) penetrates through the wire passing gap from bottom to top, and a clamping block (31) with the size larger than the wire passing gap is fixed at the outer end of the cable (3).
3. Cable drum device according to claim 1 or 2, characterized in that a chain (32) is also connected to the outer end of the cable (3).
4. The cable drum device as claimed in claim 1, characterized in that two coil springs (15) are arranged side by side in the direction of the axis of the inner shaft (23) in the coil spring device, the two coil springs (15) being mounted in opposite directions.
5. The cable drum device as claimed in claim 4, characterized in that the inner ends of the two coil springs (15) are bent to form hooks (16), the surface of the inner shaft (23) is provided with two hook grooves (24) respectively matched with the hooks (16), and the hook grooves (24) are communicated to the end surface of the inner shaft (23) facing the coil spring device.
6. The cable reel device according to any one of claims 1, 2, 4 and 5, wherein a connection box (4) is further provided at one side of the fixing mechanism (1), and a connection seat (5) is provided at the outside of the connection box (4), and the connection seat (5) is electrically connected with the other end of the rotary joint.
7. A lift antenna system having the cable drum assembly of any preceding claim, comprising: an electric lifting mast (7), an antenna system (8) fixed on the top of the electric lifting mast (7), a cable drum device fixed on one side of the bottom of the electric lifting mast (7), and a control end (9) for controlling the lifting action of the electric lifting mast (7),
the outer end of a cable (3) in the cable drum device is electrically connected with the antenna system (8), one end of a rotary joint in the cable drum device is connected with the inner end of the cable (3), and the other end of the rotary joint is electrically connected with the control end (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631853.4A CN106099304B (en) | 2016-08-04 | 2016-08-04 | Cable drum device and lifting antenna system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631853.4A CN106099304B (en) | 2016-08-04 | 2016-08-04 | Cable drum device and lifting antenna system with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106099304A CN106099304A (en) | 2016-11-09 |
| CN106099304B true CN106099304B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610631853.4A Active CN106099304B (en) | 2016-08-04 | 2016-08-04 | Cable drum device and lifting antenna system with same |
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| Country | Link |
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| CN (1) | CN106099304B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965143A (en) * | 2018-07-03 | 2018-12-07 | 合肥沃智信息科技有限公司 | A kind of wireless router |
| CN111162368B (en) * | 2019-12-15 | 2021-01-29 | 中国电子科技集团公司第三十九研究所 | Novel high-storage-ratio orderly-unfolding whip antenna unfolding mechanism |
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| CN101272045A (en) * | 2008-05-12 | 2008-09-24 | 中国兵器工业第二〇五研究所 | Automatic cable winding and unwinding device for vehicle mounted mast |
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| CN104752805A (en) * | 2015-04-19 | 2015-07-01 | 成都中兢伟奇科技有限责任公司 | Mobile signal receiving antenna device with automatic lifting function |
| CN105035883A (en) * | 2015-08-20 | 2015-11-11 | 徐州重型机械有限公司 | Cable drum and crane |
| EP2984704A1 (en) * | 2013-04-10 | 2016-02-17 | CGG Services SA | Systems and methods for using a hybrid style airship |
| CN205231430U (en) * | 2015-12-04 | 2016-05-11 | 浙江沃科电子科技有限公司 | Rotary joint |
| CN206040921U (en) * | 2016-08-04 | 2017-03-22 | 深圳市偲诺电子科技有限公司 | Cable drum device and have device's lift antenna system |
-
2016
- 2016-08-04 CN CN201610631853.4A patent/CN106099304B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201116252Y (en) * | 2007-08-24 | 2008-09-17 | 江苏捷诚车载电子信息工程有限公司 | Synchronous deploying and retracting wire feeder line disk |
| CN101272045A (en) * | 2008-05-12 | 2008-09-24 | 中国兵器工业第二〇五研究所 | Automatic cable winding and unwinding device for vehicle mounted mast |
| CN201523064U (en) * | 2009-06-01 | 2010-07-07 | 贵州航天天马机电科技有限公司 | Automatic lifting device for antenna |
| EP2984704A1 (en) * | 2013-04-10 | 2016-02-17 | CGG Services SA | Systems and methods for using a hybrid style airship |
| CN104752805A (en) * | 2015-04-19 | 2015-07-01 | 成都中兢伟奇科技有限责任公司 | Mobile signal receiving antenna device with automatic lifting function |
| CN105035883A (en) * | 2015-08-20 | 2015-11-11 | 徐州重型机械有限公司 | Cable drum and crane |
| CN205231430U (en) * | 2015-12-04 | 2016-05-11 | 浙江沃科电子科技有限公司 | Rotary joint |
| CN206040921U (en) * | 2016-08-04 | 2017-03-22 | 深圳市偲诺电子科技有限公司 | Cable drum device and have device's lift antenna system |
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| CN106099304A (en) | 2016-11-09 |
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