CN110635214A - Mobile short wave antenna system - Google Patents
Mobile short wave antenna system Download PDFInfo
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- CN110635214A CN110635214A CN201911013274.3A CN201911013274A CN110635214A CN 110635214 A CN110635214 A CN 110635214A CN 201911013274 A CN201911013274 A CN 201911013274A CN 110635214 A CN110635214 A CN 110635214A
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- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
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Abstract
A mobile short wave antenna system comprising: an expandable antenna assembly for transmitting a signal; one end of the arm support assembly is hinged with the antenna assembly; the rotary assembly is hinged with the arm support assembly; the arm pushing mechanism is connected with the arm support assembly and the rotation assembly; the wire pushing mechanism is connected with the antenna assembly and the arm support assembly; and the traction assembly is positioned on the other side of the rotation assembly and is connected with the rotation assembly. According to the mobile short wave antenna system, the arm support assembly is driven to rotate by the push arm mechanism, the wire push mechanism pushes the antenna assembly to rotate, the antenna assembly can be lifted to a specified height when the antenna assembly is needed, a large scaffold does not need to be built, the large scaffold does not need to be dismantled after being built, the cost is reduced, the antenna assembly can be lowered and returned to the original position when the antenna assembly is not used, the antenna assembly is driven to be in a horizontal state by the wire push mechanism, the transportation size can be effectively reduced, the transportation is convenient, and the antenna assembly does not need to be maintained at high altitude.
Description
Technical Field
The invention relates to the technical field of short wave antenna equipment, in particular to a mobile short wave antenna system.
Background
The large short wave antenna applied in the field of remote communication at present basically comprises multiple layers of vibrators supported by using truss girders and a supporting iron tower, wherein each layer of vibrators are arranged according to a certain rule, the frequency band range is wide, the available power is high, the ultra-remote communication function can be provided, and the large short wave antenna also has the following defects:
1. the antenna is large in size and multiple in accessories, a large scaffold needs to be built during installation, and the large scaffold needs to be dismantled after installation, so that the cost is greatly increased, the installation period is long, and the later maintenance is inconvenient;
2. the antenna is high in height, needs professional high-altitude operation personnel for installation and maintenance, and is high in danger coefficient.
Disclosure of Invention
Based on this, the present invention provides a mobile short wave antenna system that can solve the above-mentioned problems.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a mobile short wave antenna system comprising:
an expandable antenna assembly for transmitting a signal;
one end of the arm support assembly is hinged with the antenna assembly;
the rotation assembly is hinged with the arm support assembly and used for driving the arm support assembly to drive the antenna assembly to rotate along a horizontal plane;
the arm pushing mechanism is connected with the arm support assembly and the rotation assembly and used for pushing the arm support assembly to drive the antenna assembly to rotate along a vertical plane;
the wire pushing mechanism is connected with the antenna assembly and the arm support assembly and used for pushing the antenna assembly to rotate so as to enable the antenna assembly to be always kept in a horizontal state;
the axle assembly is positioned on one side of the rotary assembly and is detachably connected with the other end of the arm support assembly;
and the traction assembly is positioned on the other side of the rotation assembly and is connected with the rotation assembly.
The mobile short-wave antenna system enables the antenna assembly to be pulled to a specified place through the traction of the traction assembly; the arm support assembly is driven to rotate by the push arm mechanism, the wire push mechanism pushes the antenna assembly to rotate, the antenna assembly can be lifted to a specified height when the antenna assembly is required to be used, a large-scale scaffold does not need to be built, the subsequent dismantling of the built large-scale scaffold is avoided, the cost is reduced, the antenna assembly can be lowered to return to the original position when the antenna assembly is not used, the antenna assembly is in a horizontal state, the transportation size can be effectively reduced, the transportation is convenient, the high-altitude maintenance of the antenna assembly is not required, the installation and maintenance of the antenna assembly are convenient, and the maintenance risk coefficient is reduced.
In one embodiment, the slewing assembly comprises a lower slewing body, an upper slewing body positioned above the lower slewing body and a driving mechanism; the upper revolving body is connected with the traction assembly, and the driving mechanism is connected with the upper revolving body and used for driving the upper revolving body to rotate relative to the lower revolving body.
In one embodiment, the slewing assembly further comprises a supporting mechanism, the supporting mechanism comprises two first leg assemblies symmetrically arranged at one end of the lower slewing body close to the traction assembly, two second leg assemblies symmetrically arranged at one end of the lower slewing body close to the axle assembly, and a balance support telescopic assembly, the first leg assemblies comprise first legs with one ends pivoted with one end of the lower slewing body and first leg pushing cylinders pivoted with the first legs and the lower slewing body, and the second leg assemblies comprise second legs with one ends pivoted with the other end of the lower slewing body and second leg pushing cylinders pivoted with the second legs and the lower slewing body; and the free end of the first supporting leg and the free end of the second supporting leg are both provided with a balance support telescopic assembly.
In one embodiment, the driving mechanism includes a rotary gear and a speed reducer engaged with the rotary gear, the rotary gear is fixedly connected with the lower revolving body and pivotally connected with the upper revolving body, and the speed reducer is located in the upper revolving body.
In one embodiment, the rotating assembly is provided with a traction pin, and the traction pin is inserted into the traction assembly.
In one embodiment, the antenna assembly comprises a first antenna, a second antenna, a third antenna and a fourth antenna which are sequentially arranged from bottom to top, and the first antenna, the second antenna, the third antenna and the fourth antenna are locked in a plug-in mode; the arm support assembly comprises a first arm, a second arm, a third arm and a fourth arm, wherein the first arm is hinged with the rotary assembly, the second arm is arranged in the first arm in a sliding manner, the third arm is arranged in the second arm in a sliding manner, the fourth arm is arranged in the third arm in a sliding manner, and the rope row driving component is arranged in the first arm and is linked with the second arm, the third arm and the fourth arm; the rope row driving assembly is used for driving the second arm, the third arm and the fourth arm to extend out of the first arm, the second arm and the third arm respectively, so that the second arm, the third arm and the fourth arm push the second antenna, the third antenna and the fourth antenna respectively, and the first antenna, the second antenna, the third antenna and the fourth antenna are separated to release splicing locking.
In one embodiment, the second arm, the third arm and the fourth arm are all provided with arm line plugs, and the arm line plug arranged on the second arm, the arm line plug arranged on the third arm and the arm line plug arranged on the fourth arm are used for respectively plugging the second antenna, the third antenna and the fourth antenna when the second arm, the third arm and the fourth arm extend out.
In one embodiment, an edge of the top end of the first arm extends outward to form the first limiting plate, an edge of the top end of the second arm extends outward to form the second limiting plate, an edge of the top end of the third arm extends outward to form the third limiting plate, an edge of the top end of the fourth arm is provided with a fourth limiting plate extending outward, the first limiting plate, the second limiting plate, the third limiting plate and the fourth limiting plate are sequentially arranged along the central axis direction of the first arm, and the arm line inserting pieces are arranged on the second limiting plate, the third limiting plate and the fourth limiting plate.
In one embodiment, the rope row driving assembly comprises a rope pulling hydraulic cylinder, a first fixed pulley, a second fixed pulley, a first movable pulley, a second movable pulley, a first pulling rope, a second pulling rope, a third pulling rope and a fourth pulling rope, wherein an output shaft of the rope pulling hydraulic cylinder is connected with the bottom end of the first arm; the top end of the cylinder body of the pull rope hydraulic cylinder penetrates through the second arm and the third arm to extend into the fourth arm, and a first fixed pulley is arranged; the second fixed pulley is located between the third arm and the fourth arm; the first movable pulley and the second movable pulley are positioned on one side, away from the second fixed pulley, of the first fixed pulley, and the first movable pulley is positioned between the pull rope hydraulic cylinder and the fourth arm and is connected with the third arm; the second movable pulley is positioned between the third arm and the first arm and is connected with the second arm; one end of the first pull rope is connected with the bottom end of the second arm, and the other end of the first pull rope is connected with the fourth arm by bypassing the second fixed pulley; one end of the second pull rope is connected with the bottom end of the third arm, and the other end of the second pull rope rounds the first fixed pulley and is connected with the first arm; one end of the third pull rope is connected with the cylinder body of the pull rope hydraulic cylinder, and the other end of the third pull rope is connected with the fourth arm by bypassing the first movable pulley; one end of the fourth pull rope is connected with the third arm, and the other end of the fourth pull rope is connected with the first arm by winding the second movable pulley.
In one embodiment, the top end of the fourth arm is sealed.
Drawings
Fig. 1a is a schematic diagram of a first operating state of a mobile short wave antenna system according to an embodiment of the present invention;
fig. 1b is a top view of the mobile short wave antenna system of fig. 1;
FIG. 2 is a schematic view of the swing assembly at a first operating condition;
FIG. 3 is a schematic view of the swing assembly in a second operating state;
FIG. 4 is a schematic structural view of an assembly composed of an upper revolving body, a lower revolving body and a driving mechanism;
FIG. 5 is a schematic perspective view of a boom assembly;
FIG. 6 is a simplified diagram of the boom assembly;
FIG. 7 is a simplified diagram of the boom assembly with the rope array drive components removed;
fig. 8a is a schematic diagram of a second operating state of the mobile short wave antenna system of fig. 1;
FIG. 8b is a top view of the mobile short wave antenna system shown in FIG. 8 a;
fig. 9a is a schematic diagram of a third operating state of the mobile short wave antenna system of fig. 1;
FIG. 9b is a top view of the mobile short wave antenna system of FIG. 9 a;
fig. 10a is a schematic diagram of a fourth operating state of the mobile short wave antenna system of fig. 1;
FIG. 10b is a top view of the mobile short wave antenna system of FIG. 10 a;
fig. 11a is a schematic diagram of a fifth operating state of the mobile short wave antenna system of fig. 1;
FIG. 11b is a top view of the mobile short wave antenna system of FIG. 11 a;
fig. 12a is a schematic diagram of six operating states of the mobile short wave antenna system of fig. 1;
fig. 12b is a top view of the mobile short wave antenna system of fig. 12 a;
fig. 13a is a schematic diagram of a seventh operating state of the mobile short wave antenna system of fig. 1;
FIG. 13b is a top view of the mobile short wave antenna system of FIG. 13 a;
fig. 14a is a schematic diagram of an eighth operating state of the mobile short wave antenna system shown in fig. 1;
fig. 14b is a top view of the mobile short wave antenna system shown in fig. 14 a.
In the figure:
10. a traction assembly; 20. an axle assembly; 30. a swing assembly; 31. a lower rotary body; 32. an upper rotary body; 321. a first connection portion; 322. a second connecting portion; 33. a drive mechanism; 331. a rotary gear; 332. a speed reducer; 34. a first leg; 35. a first leg pushing cylinder; 36. a second leg; 37. a second leg pushing cylinder; 38. the balance support telescopic component; 381. a support cylinder; 382. a support block; 40. an antenna assembly; 41. a first antenna; 42. a second antenna; 43. a third antenna; 44. a fourth antenna; 50. a boom assembly; 51. a first arm; 511. a first limit plate; 512. mounting a plate; 513. a first chamber; 514. a second chamber; 52. a second arm; 521. a first slider; 522. a second limiting plate; 53. a third arm; 531. a second slider; 532. a third limiting plate; 54. a fourth arm; 541. a fourth limiting plate; 542. a third slider; 551. a hydraulic cylinder for pulling a rope; 552. a first fixed pulley; 553. a second fixed pulley; 554. a first movable pulley; 555. a second movable pulley; 556. a first pull cord; 557. a second pull cord; 558. a third pull cord; 559. a fourth pull cord; 56. an arm wire insert; 60. a wire pushing mechanism; 70. a push arm mechanism.
Detailed Description
In the description of the present invention, it is to be understood that the terms "length," "width," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must be provided in a particular orientation, constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1a, a mobile short wave antenna system according to an embodiment of the present invention includes an antenna assembly 40, a rotating assembly 30, an axle assembly 20, a towing assembly 10, a pushing arm mechanism 70, a wire pushing mechanism 60, and an electrical control system, wherein the antenna assembly 40 is deployable for transmitting signals; the swing assembly 30 is connected to the boom assembly 50, and is configured to drive the boom assembly 50 to rotate along a horizontal plane with the antenna assembly 40, so that after the antenna assembly 40 is unfolded, the swing assembly can rotate along the horizontal plane to a position of a target position, and thus the antenna assembly 40 can emit a signal in alignment with the target position; the arm pushing mechanism 70 is connected to the arm support assembly 50 and the rotating assembly 30, and is configured to push the arm support assembly 50 to rotate along a vertical plane, so that the arm support assembly 50 can lift the antenna assembly 40 to a specified height; the wire pushing mechanism 60 is connected with the arm support assembly 50 and the antenna assembly 40, and is used for pushing the antenna assembly 40 to rotate when the arm pushing mechanism 70 pushes the arm support assembly 50 to rotate, so that the antenna assembly 40 is always in a horizontal state; the axle assembly 20 is located at one side of the swivel assembly 30 and is used for connecting to the other side of the horizontal boom assembly 50 when the antenna assembly 40 is carried, so that the antenna assembly 40 is supported and the antenna assembly 40 is conveniently carried; the traction assembly 10 is positioned at the other side of the rotation assembly 30, is used for connecting the rotation assembly 30 and pulling the rotation assembly 30 to realize the transportation of the antenna assembly 40; the electric control system is respectively electrically connected with the arm pushing mechanism 70, the wire pushing mechanism 60, the rotating assembly 30 and the antenna assembly 40, and is used for controlling the work of the arm pushing mechanism 70, the wire pushing mechanism 60, the rotating assembly 30 and the antenna assembly 40.
In operation, when the using place of the antenna is determined, the rotating assembly 30 is dragged by the dragging assembly 10, and the antenna assembly 40 is pulled to the designated using place; when the antenna assembly 40 is to be used, the electrical control system controls the arm pushing mechanism 70 to push the arm support assembly 50 to rotate, so that the arm support assembly 50 is changed from a horizontal state to a vertical state, the antenna assembly 40 is lifted to a specified height, meanwhile, the electrical control system controls the wire pushing mechanism 60 to drive the antenna assembly 40 to rotate, so that the antenna assembly 40 is in a horizontal state in the rotation process of the arm support assembly 50, and then the electrical control system controls the antenna assembly 40 to be unfolded, when the antenna assembly 40 is not needed, the electrical control system controls the antenna assembly 40 to fold, and then controls the arm pushing mechanism 70 to push the arm support assembly 50 to rotate reversely, so that the arm support assembly 50 is changed from a vertical state to a horizontal state, meanwhile, the electrical control system also controls the wire pushing mechanism 60 to drive the antenna assembly 40 to rotate, so that the antenna assembly 40 is kept in a horizontal state in the process of reversely rotating the arm support assembly 50.
The mobile short wave antenna system of the invention enables the antenna assembly 40 to be pulled to a designated place through the traction of the traction assembly 10; the arm support assembly 50 is driven to rotate by the arm pushing mechanism 70, the wire pushing mechanism 60 pushes the antenna assembly 40 to rotate, the antenna assembly 40 can be lifted to a specified height when the antenna assembly 40 is needed, a large-scale scaffold does not need to be built, the antenna assembly 40 does not need to be dismantled after the large-scale scaffold is built, the cost is reduced, the antenna assembly 40 can be lowered to return to the original position when the antenna assembly 40 is not used, the antenna assembly 40 is in a horizontal state, the transportation size can be effectively reduced, the transportation is convenient, the antenna assembly 40 does not need to be maintained at high altitude, the antenna assembly 40 is convenient to install and maintain, and the maintenance risk coefficient is reduced.
The axle assembly 20 is a two-axle, 8 truck tires with the diameter of 1.1m are adopted, the axle assembly 20 is connected with the arm support assembly 50 through bolts, the arm support assembly 50 is locked on the axle assembly 20 when the antenna assembly 40 is carried, and the antenna assembly 40 which is horizontally arranged is supported by the axle assembly 20. When antenna assembly 40 is to be raised to a desired height, the latch that locks boom assembly 50 to axle assembly 20 is removed, and boom assembly 50 is unlocked from axle assembly 20.
Referring to fig. 2 to 4, the swivel assembly 30 includes a lower swivel body 31, an upper swivel body 32 located above the lower swivel body 31, and a driving mechanism 33 electrically connected to the electrical control system, wherein the driving mechanism 33 is connected to the upper swivel body 32 and is used for driving the upper swivel body 32 to rotate with the boom assembly 50, so that the antenna assembly 40 can rotate 360 ° along the horizontal plane.
The upper rotating body 32 includes a first connecting portion 321 connected to the traction assembly 10 and a second connecting portion 322 provided corresponding to the lower rotating body 31, and the second connecting portion 322 is connected to the driving mechanism 33.
The driving mechanism 33 includes a rotary gear 331 and a speed reducer 332 engaged with the rotary gear 331, the rotary gear 331 is fixedly connected to the lower rotary body 31 and pivotally connected to the upper rotary body 32, and the speed reducer 332 is electrically connected to an electrical control system and is located in the upper rotary body 32. In operation, the reduction gear 332 rotates the slewing gear 331 to rotate the upper slewing body 32.
The rotation assembly 30 further comprises a supporting mechanism, the supporting mechanism comprises two first leg components symmetrically arranged at one end of the lower rotation body 31 close to the traction assembly 10, two second leg components symmetrically arranged at one end of the lower rotation body 31 close to the axle assembly, and a balance support telescopic component 38, the first leg components comprise a first leg 34 with one end pivoted to one end of the lower rotation body 31 and a first leg pushing cylinder 35 pivoted to the first leg 34 and the lower rotation body 31, and the second leg components comprise a second leg 36 with one end pivoted to the other end of the lower rotation body 31, a second leg pushing cylinder 36 pivoted to the second leg 36 and the lower rotation body 31; a balance support telescopic assembly 38 is arranged at the free end of the first supporting leg 34 and the free end of the second supporting leg 36; the first leg pushing oil cylinder 35, the second leg pushing oil cylinder 37 and the balance support telescopic assembly 38 are all electrically connected with an electric control system. The supporting mechanism is used for improving the balance of the mobile short wave antenna system and avoiding the tilting of the rotary assembly 30 which is loaded with the arm support assembly 50 and the antenna assembly 40 when the antenna assembly 40 is lifted due to insufficient balance. When the support mechanism is not supporting, the first leg 34 and the second leg 36 are both parallel to the lower revolving body 31, and the free end of the first leg 34 and the free end of the second leg 36 are both facing the axle assembly 20, at this time, the first leg 34 and the second leg 36 are in the folded state, when the support mechanism is supporting, the two first leg pushing cylinders 35 first respectively push the corresponding first legs 34 to rotate along the horizontal plane towards the direction of the traction assembly 10 until the angle between the first legs 34 is a designated angle, and then the two second leg pushing cylinders 37 respectively push the corresponding second legs 36 to rotate outwards along the horizontal plane until the angle between the second legs 36 is a designated angle, at this time, the two first legs 34 and the two second legs 36 are arranged in an X shape, and the first leg 34 and the second legs 36 are in the extended state. When the first and second legs 34, 36 are in the extended position, the counterbalancing support telescoping assembly 38 is then extended into contact with the ground so that the deployed support mechanism contacts the ground to provide the support and counterbalance.
In this embodiment, the balanced support telescopic assembly 38 includes a support cylinder 381 and a support block 382 connected to an output shaft of the support cylinder 381, the support block 382 for contacting the ground.
Referring to fig. 1a again, the antenna assembly 40 includes a first antenna 41, a second antenna 42, a third antenna 43, and a fourth antenna 44 sequentially disposed from bottom to top, the first antenna 41 is hinged to the boom assembly 50, and when the boom assembly 50 is not extended, the first antenna 41, the second antenna 42, the third antenna 43, and the fourth antenna 44 are locked by plugging. For example, antenna plugs (not shown in the figure) are disposed on the second antenna 42, the third antenna 43 and the fourth antenna 44, and the antenna plug on the second antenna 42, the antenna plug on the third antenna 43 and the antenna plug on the fourth antenna 44 are used for being plugged into the first antenna 41, the second antenna 42 and the third antenna 43, respectively, so as to lock the first antenna 41, the second antenna 42, the third antenna 43 and the fourth antenna 44.
Referring to fig. 5 to 7, in the present embodiment, the boom assembly 50 includes a first arm 51 hinged to the upper revolving body 32, a second arm 52 slidably disposed in the first arm 51, a third arm 53 slidably disposed in the second arm 52, a fourth arm 54 slidably disposed in the third arm 53, and a rope row driving assembly linking the second arm 52, the third arm 53, and the fourth arm 54, wherein the second arm 52, the third arm 53, and the fourth arm 54 are all provided with an arm line plug 56, and the arm line plug 56 provided on the second arm 52, the arm line plug 56 provided on the third arm 53, and the arm line plug 56 provided on the fourth arm 54 are respectively plugged into the second antenna 42, the third antenna 43, and the fourth antenna 44. The cord row drive assembly is used to drive the second arm 52, the third arm 53, and the fourth arm 54 to extend from the first arm 51, the second arm 52, and the third arm 53, respectively. The extension of the second arm 52, the third arm 53 and the fourth arm 54 is divided into three phases, the first phase being: the second arm 52 passes through the first antenna 41 and extends into the space between the first antenna 41 and the second antenna 42, and an arm wire plug 56 arranged on the second arm 52 is plugged on the second antenna 42, so that the second arm 52 and the second antenna 42 are locked; meanwhile, the third arm 53 passes through the second antenna 42 and extends into a position between the second antenna 42 and the third antenna 43, and an arm wire plug 56 arranged on the third arm 53 is plugged on the third antenna 43, so that the third arm 53 and the third antenna 43 are locked; at the same time, the fourth arm 54 passes through the third antenna 43 and extends into between the third antenna 43 and the fourth antenna 44, and the arm wire insert 56 provided on the fourth arm 54 is inserted into the fourth antenna 44, so that the fourth arm 54 and the fourth antenna 44 are locked. The second stage is: the second arm 52, the third arm 53 and the fourth arm 54 continue to extend out and respectively push the second antenna 42, the third antenna 43 and the fourth antenna 44, so that the first antenna 41, the second antenna 42, the third antenna 43 and the fourth antenna 44 are separated and the plugging locking among the antennas is released; and a third stage: after the locking between the antennas is released, the second arm 52, the third arm 53, and the fourth arm 54 continue to extend until the distances between the first antenna 41, the second antenna 42, the third antenna 43, and the fourth antenna 44 are all the designated distances.
The rope row driving assembly comprises a rope pulling hydraulic cylinder 551, a first fixed pulley 552, a second fixed pulley 553, a first movable pulley 554, a second movable pulley 555, a first rope 556, a second rope 557, a third rope 558 and a fourth rope 559, wherein the rope pulling hydraulic cylinder 551 is electrically connected with an electric control system, and an output shaft of the rope pulling hydraulic cylinder 551 is connected with the bottom of the first arm 51; the top end of the cylinder body of the pull rope hydraulic cylinder 551 penetrates through the second arm 52 and the third arm 53 to extend into the fourth arm 54, and the top end of the cylinder body of the pull rope hydraulic cylinder 551 is provided with a first fixed pulley 552; the second fixed pulley 553 is located at one side of the first fixed pulley 552 and between the third arm 53 and the fourth arm 54; a first movable pulley 554 and a second movable pulley 555 are positioned at the other side of the first fixed pulley 552, the first movable pulley 554 is positioned between the pull-rope hydraulic cylinder 551 and the fourth arm 54, and the first movable pulley 554 is positioned below the third arm 53 and is connected with the third arm 53; the second movable pulley 555 is positioned between the third arm 53 and the first arm 51, and the second movable pulley 555 is positioned below the second arm 52 and connected with the second arm 52; one end of the first rope 556 is connected to the bottom end of the second arm 52, and the other end thereof is connected to the bottom end of the fourth arm 54 around the second fixed pulley 553; one end of the second pull rope 557 is connected to the bottom end of the third arm 53, and the other end thereof is connected to the first arm 51 by being wound around the first fixed pulley 552; one end of the third pull rope 558 is connected to the cylinder body of the pull rope hydraulic cylinder 551, and the other end is connected to the top end of the fourth arm 54 around the first movable pulley 554; one end of the fourth rope 559 is connected to the bottom end of the third arm 53, and the other end is connected to the top end of the first arm 51 by passing around the second movable pulley 555.
In this embodiment, the first movable pulley 554 and the third arm 53 are pivotally connected by a pin, and the second movable pulley 555 and the second arm 52 are pivotally connected by a pin.
In order to prevent the first arm 51 and the second arm 52 from being shaken, the first slider 521 is provided on the outer wall of the second arm 52, and the first slider 521 abuts against the inner wall of the first arm 51 and is disposed to be shifted from the fourth cord 559. In order to prevent the second arm 52 and the third arm 53 from shaking, a second slider 531 is arranged on the outer wall of the third arm 53, and the second slider 531 is abutted against the inner wall of the second arm 52; in order to prevent the third arm 53 and the fourth arm 54 from sliding, a third slider 542 is provided on the outer wall of the fourth arm 54, and the third slider 542 abuts against the inner wall of the third arm 53 and is disposed offset from the first cord 556.
In this embodiment, a mounting plate 512 is provided in the first arm 51, the mounting plate 512 divides the inner cavity of the first arm 51 into a first chamber 513 and a second chamber 514 located below the first chamber 513, a pull-cord hydraulic cylinder 551 is located in the first chamber 513, and a pull-cord hydraulic cylinder 551 is mounted on the mounting plate 512. In other possible embodiments, a drain may be provided in the mounting plate 512 to drain water entering the first chamber 513 into the second chamber 514, preventing water entering the first chamber 513 from affecting the operation of the pull-cord hydraulic cylinder 551.
The limit portion of first arm 51 top outwards extends and is formed with first limiting plate 511, outwards extends on the limit portion on second arm 52 top and is formed with second limiting plate 522, outwards extends on the limit portion on third arm 53 top and is formed with third limiting plate 532, be equipped with the fourth limiting plate 541 of outwards extending on the limit portion of fourth arm 54 top, first limiting plate 511, second limiting plate 522, third limiting plate 532 and fourth limiting plate 541 set gradually along the central axis direction of first arm 51, second limiting plate 522, all be equipped with arm line plug-in components 56 on third limiting plate 532 and the fourth limiting plate 541. When the boom assembly 50 is in an original non-extended state, the second limit plate 522 presses on the first limit plate 511 to reduce the load borne by the first pull rope 556 and the fourth pull rope 559, and the third limit plate 532 presses on the second limit plate 522 to reduce the load borne by the third pull rope 559; when the boom assembly 50 extends, the second limiting plate 522, the third limiting plate 532, and the fourth limiting plate 541 are used for supporting the second antenna 42, the third antenna 43, and the fourth antenna 44, respectively.
Optionally, the top end of the fourth arm 54 is sealed, so that the fourth arm 54 covers the pull-rope hydraulic cylinder 551, and external rainwater is prevented from falling on the pull-rope hydraulic cylinder 551, so that the pull-rope hydraulic cylinder 551 is protected.
In this embodiment, the arm pushing mechanism 70 and the wire pushing mechanism 60 are both hydraulic cylinders, the arm pushing mechanism 70 is pivotally connected to the swing assembly 30 and the first arm 51 of the boom assembly 50, and the wire pushing mechanism 60 is pivotally connected to the boom assembly 50 and the first antenna 41 of the antenna assembly 40.
In this embodiment, the hitch assembly 10 is provided with a hitch pin (not shown) that is inserted into the upper swivel body 32 of the swivel assembly 30. When the first leg 34 and the second leg 36 of the supporting mechanism are opened and the balance support telescopic component 38 is extended, the supporting mechanism can drive the upper revolving body 32 to lift up to be separated from the traction assembly 10 with the traction pin, so that the traction assembly 10 is separated from the revolving assembly 30.
The specific working principle of the mobile short-wave antenna system of the embodiment is as follows:
as shown in fig. 1a, in the transportation state, the upper revolving body 32 of the revolving assembly 30 is inserted into the towing assembly 10 through the towing pin to be articulated with the towing assembly 10, the upper revolving body 32 and the lower revolving assembly 30 are at an initial angle, the first leg 34 and the second leg 36 of the supporting mechanism are folded on the lower revolving body 31, the boom assembly 50 is in a horizontal state and locked on the axle assembly 20 through the connecting pin, and the antenna assembly 40 is in a horizontal state.
After the mobile short wave antenna system reaches a destination, part of the state below the boom assembly 50 is shown in fig. 1a and 1b, and to complete the unfolding action, first, the two first leg pushing cylinders 35 respectively push the corresponding first legs 34 to rotate, and the two second leg pushing cylinders 37 respectively push the corresponding second legs 36 until the two first legs 34 and the two second legs 36 are in an X-shaped distribution, and the unfolded state of the first legs 34 and the second legs 36 is shown in fig. 8a and 8 b.
After the first leg 34 and the second leg 36 are unfolded, the traction assembly 10 is slightly backed up, the balance support telescopic component 38 is extended to contact with the ground, and the rotation assembly 30 is leveled, meanwhile, the upper rotation body 32 and the traction pin of the traction assembly 10 are enabled to move upwards to be separated from the jack of the traction assembly 10, and the traction assembly 10 runs forwards to be separated from the rotation assembly 30. The connecting pins that lock boom assembly 50 to axle assembly 20 are removed and then axle assembly 20 is retracted and disengaged from boom assembly 50 as shown in fig. 9a and 9 b.
After the traction assembly 10 and the axle assembly 20 are separated from the host by a certain distance, the electrical control system controls the arm pushing mechanism 70 to extend, the extended arm pushing mechanism 70 pushes the arm support assembly 50 to drive the antenna assembly 40 to rotate upwards, and simultaneously, the electrical control system controls the wire pushing mechanism 60 to push the antenna assembly 40 to rotate along a vertical plane. The antenna assembly 40 is kept in a horizontal state during the ascending process by adjusting the arm pushing mechanism 70 and the wire pushing mechanism 60 through the electric control system. Locking between the first antenna 41, the second antenna 42, the third antenna 43 and the fourth antenna 44 during the raising of the antenna assembly 40 is facilitated. Fig. 10a and 10b show a state in which the boom assembly 50 rotates to raise the antenna assembly 40.
After the process of the boom assembly 50 rotating to cause the antenna assembly 40 to ascend is completely finished, the boom assembly 50 is perpendicular to the upper revolving body 32, the antenna assembly 40 is in a horizontal state, and each adjacent antenna assembly 40 still keeps a locked state, as shown in fig. 11a and 11 b.
Then, the electric control system controls the rope pulling hydraulic cylinder 551 to extend the boom assembly 50 under the action of the rope row driving component, the second arm 52, the third arm 53 and the fourth arm 54 move simultaneously, after the extending length of the output shaft of the rope pulling hydraulic cylinder 551 is a first designated length, the arm wire plug-in 56 arranged on the second arm 52, the arm wire plug-in 56 arranged on the third arm 53 and the arm wire plug-in 56 arranged on the fourth arm 54 rise to be respectively plugged on the second antenna 42, the third antenna 43 and the fourth antenna 44, so that the second antenna 42, the third antenna 43 and the fourth antenna 44 are respectively locked on the second arm 52, the third arm 53 and the fourth arm 54; then, the output shaft of the hydraulic cylinder 551 continues to extend, the second arm 52, the third arm 53, and the fourth arm 54 push the second antenna 42, the third antenna 43, and the fourth antenna 44 to move upward, when the extended length of the output shaft of the wire pushing mechanism 60 is a second designated length, the second antenna 42, the third antenna 43, and the fourth antenna 44 are separated from the first antenna 41, the second antenna 42, and the third antenna 43, respectively, and the insertion locking between the first antenna 41, the second antenna 42, the third antenna 43, and the fourth antenna 44 is released.
After the antennas are locked with each other and the adjacent antennas are unlocked, the electrical control system controls the output shaft of the pull rope hydraulic cylinder 551 to extend continuously, and the rope row driving component drives the second arm 52, the third arm 53 and the fourth arm 54 in the boom assembly 50 to extend continuously. Due to the locking between the second antenna 42 and the second arm 52, the locking between the third antenna 43 and the third arm 53, the locking between the fourth antenna 44 and the fourth arm 54, and the unlocking between the adjacent antennas, the movement of the second arm 52, the third arm 53, and the fourth arm 54 will continue to respectively lift the second antenna 42, the third antenna 43, and the fourth antenna 44.
Due to the structural characteristics of the rope-pushing cylinder, the ratio of the extending speeds of the second arm 52, the third arm 53 and the fourth arm 54 is 1:2:3, and then the displacement between the second arm 52 and the first arm 51, the displacement between the third arm 53 and the fourth arm 54 and the third arm 53 are equal to each other at any moment of movement. Therefore, the distance between the second antenna 42 and the first antenna 41, the distance between the third antenna 43 and the second antenna 42, and the distance between the fourth antenna 44 and the third antenna 43 are equal at any moment of movement.
Therefore, the final elongation of the output shaft of the hydraulic cylinder 551 can be controlled to meet the performance requirement of the antenna assembly 40, as shown in fig. 12a and 12b, the boom assembly 50 is in a state of meeting the performance requirement of the antenna assembly 40 after being elongated, and after the boom assembly 50 is elongated, the antenna assembly 40 is unfolded under the control of the electrical control system, as shown in fig. 13a and 13 b.
After the antenna assembly 40 is deployed and the signal is transmitted at the target transmitting position, the electrical control system is used to control the speed reducer 332 to operate, so as to drive the upper revolving body 32 to rotate on the lower revolving assembly 30, and as shown in fig. 14a and 14b, the operating posture of the complete machine when the complete machine rotates by 89 ° clockwise is shown.
The folding process of the whole machine is just opposite to the unfolding process of the whole machine, namely, the antenna assembly 40 is firstly folded, then the arm support assembly 50 is contracted to a certain length, the adjacent antennas of the antenna assembly 40 are locked, the locking between the second arm 52, the third arm 53 and the fourth arm 54 and the locking between the second antenna 42, the third antenna 43 and the fourth antenna 44 are released, the arm support assembly 50 is continuously contracted to an initial state, then the output shaft of the push arm mechanism 70 and the output shaft of the push line mechanism 60 are driven to retract under the action of an electric control system, the arm support assembly 50 is horizontally placed, the antenna assembly 40 is horizontally placed on the arm support assembly 50, the traction assembly 10 is connected with the upper rotary body 32, and the axle assembly 20 is connected with the arm support assembly 50 and then can be transported on the road.
It should be noted that the structure proposed in this patent is analyzed and verified by an ADAMS (Automatic Dynamic Analysis of Mechanical Systems) mechanism simulation and a Pro (Pro/engine) mechanism Analysis module, so that the cylinder can be extended or shortened only according to the operation rules during the movement process.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A mobile short wave antenna system, comprising:
an expandable antenna assembly for transmitting a signal;
one end of the arm support assembly is hinged with the antenna assembly;
the rotation assembly is hinged with the arm support assembly and used for driving the arm support assembly to drive the antenna assembly to rotate along a horizontal plane;
the arm pushing mechanism is connected with the arm support assembly and the rotation assembly and used for pushing the arm support assembly to drive the antenna assembly to rotate along a vertical plane;
the wire pushing mechanism is connected with the antenna assembly and the arm support assembly and used for pushing the antenna assembly to rotate so as to enable the antenna assembly to be always kept in a horizontal state;
the axle assembly is positioned on one side of the rotary assembly and is detachably connected with the other end of the arm support assembly;
and the traction assembly is positioned on the other side of the rotation assembly and is connected with the rotation assembly.
2. The mobile short wave antenna system of claim 1, wherein the swivel assembly comprises a lower swivel, an upper swivel located above the lower swivel, and a drive mechanism; the upper revolving body is connected with the traction assembly, and the driving mechanism is connected with the upper revolving body and used for driving the upper revolving body to rotate relative to the lower revolving body.
3. The mobile short wave antenna system of claim 2, wherein the swivel assembly further comprises a support mechanism, the support mechanism comprises two first leg assemblies symmetrically disposed on one end of the lower swivel body close to the towing assembly, two second leg assemblies symmetrically disposed on one end of the lower swivel body close to the axle assembly, and a balance support telescoping assembly, the first leg assemblies comprise a first leg having one end pivotally connected to one end of the lower swivel body and a first leg pushing cylinder pivotally connected to the first leg and the lower swivel body, and the second leg assemblies comprise a second leg having one end pivotally connected to the other end of the lower swivel body and a second leg pushing cylinder pivotally connected to the second leg and the lower swivel body; and the free end of the first supporting leg and the free end of the second supporting leg are both provided with a balance support telescopic assembly.
4. The mobile short wave antenna system according to claim 2, wherein the driving mechanism comprises a rotary gear and a speed reducer engaged with the rotary gear, the rotary gear is fixedly connected with the lower revolving body and pivotally connected with the upper revolving body, and the speed reducer is located in the upper revolving body.
5. The mobile short wave antenna system of claim 1, wherein the swivel assembly is provided with a towing pin, the towing pin plugging the towing assembly.
6. The mobile short wave antenna system of claim 1, wherein the antenna assembly comprises a first antenna, a second antenna, a third antenna and a fourth antenna which are arranged in sequence from bottom to top, and the first antenna, the second antenna, the third antenna and the fourth antenna are locked in a plug-in manner; the arm support assembly comprises a first arm, a second arm, a third arm and a fourth arm, wherein the first arm is hinged with the rotary assembly, the second arm is arranged in the first arm in a sliding manner, the third arm is arranged in the second arm in a sliding manner, the fourth arm is arranged in the third arm in a sliding manner, and the rope row driving component is arranged in the first arm and is linked with the second arm, the third arm and the fourth arm; the rope row driving assembly is used for driving the second arm, the third arm and the fourth arm to extend out of the first arm, the second arm and the third arm respectively, so that the second arm, the third arm and the fourth arm push the second antenna, the third antenna and the fourth antenna respectively, and the first antenna, the second antenna, the third antenna and the fourth antenna are separated to release splicing locking.
7. The mobile short wave antenna system of claim 6, wherein the second arm, the third arm and the fourth arm are each provided with an arm line plug-in, and the arm line plug-in provided on the second arm, the arm line plug-in provided on the third arm and the arm line plug-in provided on the fourth arm are used for plugging in the second antenna, the third antenna and the fourth antenna when the second arm, the third arm and the fourth arm are extended, respectively.
8. The mobile short wave antenna system of claim 7, wherein the first limiting plate extends outwards from the edge of the top end of the first arm, the second limiting plate extends outwards from the edge of the top end of the second arm, the third limiting plate extends outwards from the edge of the top end of the third arm, a fourth limiting plate extends outwards from the edge of the top end of the fourth arm, the first limiting plate, the second limiting plate, the third limiting plate and the fourth limiting plate are sequentially arranged along the central axis direction of the first arm, and the arm line inserts are arranged on the second limiting plate, the third limiting plate and the fourth limiting plate.
9. The mobile short wave antenna system of claim 6, wherein the rope array drive assembly comprises a rope pulling hydraulic cylinder, a first fixed pulley, a second fixed pulley, a first movable pulley, a second movable pulley, a first rope, a second rope, a third rope and a fourth rope, wherein an output shaft of the rope pulling hydraulic cylinder is connected with the bottom end of the first arm; the top end of the cylinder body of the pull rope hydraulic cylinder penetrates through the second arm and the third arm to extend into the fourth arm, and a first fixed pulley is arranged at the top end of the cylinder body of the pull rope hydraulic cylinder; the second fixed pulley is located between the third arm and the fourth arm; the first movable pulley and the second movable pulley are positioned on one side, away from the second fixed pulley, of the first fixed pulley, and the first movable pulley is positioned between the pull rope hydraulic cylinder and the fourth arm and is connected with the third arm; the second movable pulley is positioned between the third arm and the first arm and is connected with the second arm; one end of the first pull rope is connected with the bottom end of the second arm, and the other end of the first pull rope is connected with the fourth arm by bypassing the second fixed pulley; one end of the second pull rope is connected with the bottom end of the third arm, and the other end of the second pull rope rounds the first fixed pulley and is connected with the first arm; one end of the third pull rope is connected with the cylinder body of the pull rope hydraulic cylinder, and the other end of the third pull rope is connected with the fourth arm by bypassing the first movable pulley; one end of the fourth pull rope is connected with the third arm, and the other end of the fourth pull rope is connected with the first arm by winding the second movable pulley.
10. The mobile short wave antenna system of claim 9, wherein a top seal of the fourth arm is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013274.3A CN110635214A (en) | 2019-10-23 | 2019-10-23 | Mobile short wave antenna system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013274.3A CN110635214A (en) | 2019-10-23 | 2019-10-23 | Mobile short wave antenna system |
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| CN110635214A true CN110635214A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911013274.3A Pending CN110635214A (en) | 2019-10-23 | 2019-10-23 | Mobile short wave antenna system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111106423A (en) * | 2020-01-13 | 2020-05-05 | 深圳市威富通讯技术有限公司 | Short wave antenna |
| CN111342190A (en) * | 2020-04-13 | 2020-06-26 | 深圳市威富通讯技术有限公司 | Folding and unfolding structure and folding and unfolding method of log periodic antenna |
| CN111342189A (en) * | 2020-04-13 | 2020-06-26 | 深圳市威富通讯技术有限公司 | Mobile short wave antenna |
| CN111355012A (en) * | 2020-04-14 | 2020-06-30 | 深圳市威富通讯技术有限公司 | Folding device of antenna oscillator layer |
| CN111478013A (en) * | 2020-04-26 | 2020-07-31 | 中船黄埔文冲船舶有限公司 | Marine formula antenna base that can fall |
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| CN111342190A (en) * | 2020-04-13 | 2020-06-26 | 深圳市威富通讯技术有限公司 | Folding and unfolding structure and folding and unfolding method of log periodic antenna |
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| CN111355012A (en) * | 2020-04-14 | 2020-06-30 | 深圳市威富通讯技术有限公司 | Folding device of antenna oscillator layer |
| CN111478013A (en) * | 2020-04-26 | 2020-07-31 | 中船黄埔文冲船舶有限公司 | Marine formula antenna base that can fall |
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