CN113697612A - Automatic coiling mechanism and radar of anti-winding of coil spring formula multiple cable - Google Patents

Automatic coiling mechanism and radar of anti-winding of coil spring formula multiple cable Download PDF

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Publication number
CN113697612A
CN113697612A CN202111088035.1A CN202111088035A CN113697612A CN 113697612 A CN113697612 A CN 113697612A CN 202111088035 A CN202111088035 A CN 202111088035A CN 113697612 A CN113697612 A CN 113697612A
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CN
China
Prior art keywords
shell
coil spring
cable
inner shell
type multi
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Granted
Application number
CN202111088035.1A
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Chinese (zh)
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CN113697612B (en
Inventor
关宏山
张腊梅
朱伟林
高亚新
王子君
陈阳
吴涛
吴后平
王庆华
周杨
桑青华
徐非骏
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CETC 38 Research Institute
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CETC 38 Research Institute
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Priority to CN202111088035.1A priority Critical patent/CN113697612B/en
Publication of CN113697612A publication Critical patent/CN113697612A/en
Application granted granted Critical
Publication of CN113697612B publication Critical patent/CN113697612B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4457—Arrangements of the frame or housing
    • B65H75/4471—Housing enclosing the reel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/48—Automatic re-storing devices
    • B65H75/486—Arrangements or adaptations of the spring motor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • 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
    • H01Q3/08—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 two co-ordinates of the orientation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/34—Handled filamentary material electric cords or electric power cables

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Details Of Aerials (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The invention discloses a coil spring type multi-cable anti-winding automatic winding device and a radar, which comprise an inner shell, wherein an outer shell is coaxially arranged on the outer side of the inner shell, and the inner shell and the outer shell can realize relative rotation; an annular accommodating cavity is formed between the outer side of the inner shell and the inner side of the outer shell, a coil spring is arranged in the accommodating cavity, the inner end of the coil spring is connected to the inner shell, and the outer end of the coil spring is connected to the outer shell; the coil spring is provided with a cable extending in a winding direction of the coil spring. The radar comprises a base, a rotary table, an antenna and any one of the coil spring type multi-cable anti-winding automatic winding devices; the rotary table is rotatably arranged on the base, the inner shell is connected to the rotary table, and the outer shell is connected to the base; the antenna is installed on the revolving stage, and the inner of cable is connected to the antenna, and the outer end of cable is connected to the base. The invention has the advantages that: the rotary combination which is stable and reliable, large in rotation angle, low in price, small in axial size and strong in applicability can be provided, and high-precision and high-integration research of the multifunctional radar can be further realized.

Description

Automatic coiling mechanism and radar of anti-winding of coil spring formula multiple cable
Technical Field
The invention relates to the technical field of radars, in particular to a coil spring type multi-cable anti-winding automatic winding device and a radar.
Background
With the development and application of radar technology, higher and higher requirements are put forward on the performance of radar, and in particular, mobile radars such as vehicle-mounted radars and ship-mounted radars are researched and applied more and more widely due to the characteristics of high precision, high integration and multiple functions. The radar mainly comprises a base, a rotary table, an antenna and other mechanisms, wherein the rotary table is used as a mechanical scanning part of the radar, is responsible for target angle tracking during the working of the radar, and simultaneously also plays a role in load and signal transmission between the rotary antenna of the radar and ground fixing equipment. The typical turntable is composed of a support rotating device, a power driving device, a position detection device, a rotating combination, a safety protection device and the like. The power supply and signal transmission between the rotating part and the fixed part of the radar in the rotating process are mainly realized by the rotating combination.
Due to different application scenes, most radars require that the turntable can drive the antenna to realize continuous rotation at a rotation angle of-360 degrees or bidirectional continuous infinite rotation. At present, the rotary combination of the radar rotary table at home and abroad mainly has two forms of a rotary drag chain and a collector ring.
The rotary drag chain is formed by superposing and combining a plurality of parts capable of rotating to a certain angle along the axis direction, the more the parts are, the larger the rotatable angle is, the cable penetrates through the center of the rotary drag chain and rotates along with the drag chain, so that the cable rotates at a certain angle, the price is relatively cheap, the technology is mature, and the rotary drag chain is more applied to a system which continuously rotates at a rotating angle of-180 degrees and has a larger size space. However, when the number of cables is large and the rotation angle is increased, the dimension in the axial direction is large, and it is difficult to apply the cable to a system having a large rotation angle and a limited space dimension.
The collector ring is formed by superposing a plurality of signal channels, can realize continuous infinite transmission of electric power and a plurality of signals, the larger the transmitted power is, the larger the signals are, the larger the sizes of the collector ring in the neck direction and the axis direction are, the higher the price is, the technology is relatively mature, a special processing technology is required, the design and the processing are difficult, the applicable environment is limited, and the collector ring is more applied to a system which continuously and infinitely rotates in the forward and reverse directions and has allowable space size and price. In the prior art, for example, chinese patent application with publication number CN111969292A discloses a compact radar antenna turntable, which includes an azimuth adjustment unit and a pitch adjustment unit. The azimuth adjusting unit comprises a shell, a disc type motor, a gear transmission mechanism, an output flange, a collecting ring and an encoder; gear drive includes the driving gear, change gear assembly, driven gear, driving gear fixed mounting is on disc motor's output shaft to be connected with driven gear transmission through change gear assembly, the fixed suit of driven gear is in the output flange outside, the lower extreme and the shell rotatable coupling of output flange, the shell is stretched out to the upper end, the collector ring sets up in the cavity intracavity of output flange, encoder driving disk and driven gear's lower fixed surface is connected. The pitching adjusting unit comprises a supporting seat, a pitching shaft, a tightening ring for mounting the radar antenna and a locking mechanism; supporting seat fixed mounting is in output flange upper end, and the tight hoop both ends are articulated with the supporting seat through every single move axle respectively, and locking mechanism is used for the every single move gesture of fixed tight hoop. The adopted mode is a slip ring rotating combination.
The existing radar rotary table rotary combination cannot provide a stable and reliable rotary combination with a larger rotation angle, low price, smaller axial size and strong applicability, so that the high-precision multifunctional radar cannot be subjected to high-integration research.
Disclosure of Invention
The technical problem to be solved by the invention is as follows:
the radar rotary table rotary combination in the prior art cannot provide a stable and reliable rotary combination with a larger rotation angle, a low price, a smaller axial dimension and strong applicability, so that the technical problem that the high-precision multifunctional radar cannot be researched in a high-integration manner is caused.
The invention solves the technical problems through the following technical means: a coil spring type multi-cable anti-winding automatic winding device comprises an inner shell, wherein an outer shell is coaxially arranged on the outer side of the inner shell, and the inner shell and the outer shell can rotate relatively;
an annular accommodating cavity is formed between the outer side of the inner shell and the inner side of the outer shell, a coil spring is arranged in the accommodating cavity, the inner end of the coil spring is connected to the inner shell, and the outer end of the coil spring is connected to the outer shell;
the coil spring is provided with a cable extending in a winding direction of the coil spring.
When the automatic winding device for preventing the winding of the coil spring type multi-cable is actually applied, the structure of the inner shell and the outer shell and the coil spring type structure is adopted, the structure is simple, the axial space size is small, and the cost is low. The cable winds along the coil spring for corresponding turns, the rotation of the cable at corresponding angles is driven along with the tightening and loosening of the coil spring, and the cables in different circle layers are separated by the coil spring, so that the cables in different circle layers cannot be wound, and the large-angle non-winding rotation of the multi-cable with a simple structure is realized. The winding device is simple to process and install, stable and reliable in structural performance and long in service life. The invention does not damage the structure of the cable, has no time delay or distortion phenomenon on the transmission of system electric power and signals when the cable is wound, has stable and reliable transmission and has no additional environmental adaptability requirement. The automatic winding device does not need to additionally provide drive, and the relative rotation of the rotary table and the base is relied on, so that the inner shell and the outer shell of the driving device can rotate relatively, when the relative rotation causes the coil spring to tighten, the coil spring is close to the inner shell, the radius is small, the number of turns is increased, when the reverse rotation causes the coil spring to loosen, the coil spring is far away from the inner shell and is close to the outer shell, the radius is large, the number of turns is reduced, and therefore the large-angle positive and negative winding of the cable is achieved. The invention adopts the coil spring type structure to separate different circle layers of a plurality of cables, avoids the phenomenon that the cables on different circle layers are wound to be incapable of rotating or damage the cables when rotating, and ensures the reliability of the cables when rotating.
Preferably, the inner shell is of a circular ring-shaped structure, the first end of the inner shell is provided with a mounting flange, and the second end of the inner shell is provided with a supporting flange.
Preferably, the accommodating cavity is internally provided with wear-resistant lubricating plates which are positioned on two sides of the coil spring.
Because the wear-resistant lubricating plate is arranged, the upper surface and the lower surface of the coil spring and the cable are in contact with the wear-resistant lubricating plate to generate sliding friction, the friction coefficient is small, the reliability and the service life of the device are improved, and the phenomenon that the dry friction resistance and the noise are large due to the direct contact with the bottom surface of the metal shell is avoided.
Preferably, the section of the shell is of a shape of a letter 21274.
Preferably, the housing comprises an upper end housing and a lower end housing;
the upper end shell is circular, and the cross section of the lower end shell is L-shaped.
Preferably, a cylinder is coaxially arranged on the upper end shell, and a cylinder flange is arranged at the end part of the cylinder.
Preferably, reinforcing ribs are arranged between the cylinder and the upper end shell and between the cylinder and the cylinder flange.
Preferably, a flange is arranged at the upper end of the lower end shell, and the upper end shell is installed on the flange of the lower end shell.
Preferably, the cable is mounted on the coil spring by a snap fit.
The invention also discloses a radar which comprises a base, a rotary table, an antenna and any one of the coil spring type multi-cable anti-winding automatic winding devices;
the rotary table is rotatably arranged on the base, the inner shell is connected to the rotary table, and the outer shell is connected to the base;
the antenna is installed on the revolving stage, and the inner of cable is connected to the antenna, and the outer end of cable is connected to the base.
The invention has the advantages that:
1. when the automatic winding device for preventing the winding of the coil spring type multi-cable is actually applied, the structure of the inner shell and the outer shell and the coil spring type structure is adopted, the structure is simple, the axial space size is small, and the cost is low. The cable winds along the coil spring for corresponding turns, the rotation of the cable at corresponding angles is driven along with the tightening and loosening of the coil spring, and the cables in different circle layers are separated by the coil spring, so that the cables in different circle layers cannot be wound, and the large-angle non-winding rotation of the multi-cable with a simple structure is realized. The winding device is simple to process and install, stable and reliable in structural performance and long in service life. The invention does not damage the structure of the cable, has no time delay or distortion phenomenon on the transmission of system electric power and signals when the cable is wound, has stable and reliable transmission and has no additional environmental adaptability requirement. The automatic winding device does not need to additionally provide drive, and the relative rotation of the rotary table and the base is relied on, so that the inner shell and the outer shell of the driving device can rotate relatively, when the relative rotation causes the coil spring to tighten, the coil spring is close to the inner shell, the radius is small, the number of turns is increased, when the reverse rotation causes the coil spring to loosen, the coil spring is far away from the inner shell and is close to the outer shell, the radius is large, the number of turns is reduced, and therefore the large-angle positive and negative winding of the cable is achieved. The invention adopts the coil spring type structure to separate different circle layers of a plurality of cables, avoids the phenomenon that the cables on different circle layers are wound to be incapable of rotating or damage the cables when rotating, and ensures the reliability of the cables when rotating.
2. Because the wear-resistant lubricating plate is arranged, the upper surface and the lower surface of the coil spring and the cable are in contact with the wear-resistant lubricating plate to generate sliding friction, the friction coefficient is small, the reliability and the service life of the device are improved, and the phenomenon that the dry friction resistance and the noise are large due to the direct contact with the bottom surface of the metal shell is avoided.
Drawings
FIG. 1 is a schematic diagram of a radar in an embodiment of the present invention;
FIG. 2 is a schematic view of a coil spring type multi-cable anti-wind automatic winding device according to an embodiment of the present invention;
FIG. 3 is a schematic view of an inner shell in an embodiment of the present invention;
FIG. 4 is a schematic view of an upper housing in an embodiment of the invention;
FIG. 5 is a partial schematic view of a lower end housing in an embodiment of the invention;
FIG. 6 is a schematic view of a wear-resistant lube plate in an embodiment of the present invention;
FIG. 7 is a schematic view of a coil spring in an embodiment of the present invention;
wherein the content of the first and second substances,
an inner shell-1; a mounting flange-11; a support flange-12; inner cable hole-13;
a housing-2; an upper end housing-21; a lower end housing-22; outer cable hole-23; a cylinder-24; a cylinder flange-25; a reinforcing rib-26;
a containing cavity-3; a wear-resistant lubricating plate-31;
coil spring-4;
a cable-5;
a buckle-6;
a base-7;
a turntable-8;
an antenna-9.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 2, the automatic winding device for preventing the winding of the coil spring type multi-cable comprises an inner shell 1, an outer shell 2, a containing cavity 3, a coil spring 4, a cable 5 and a buckle 6.
As shown in fig. 3, the inner casing 1 is a circular ring structure, a mounting flange 11 is disposed at a first end of the inner casing 1, and a support flange 12 is disposed at a second end of the inner casing 1. The side wall of the inner shell 1 is provided with an inner cable hole 13, and the inner cable hole 13 is rectangular.
As shown in fig. 2, an outer shell 2 is coaxially disposed outside an inner shell 1, the inner shell 1 and the outer shell 2 can rotate relative to each other, and an outer cable hole 23 is disposed on the outer shell 2. Specifically, the section of the shell 2 is of a shape of a letter 21274. As shown in fig. 4 and 5, the housing 2 includes an upper end housing 21 and a lower end housing 22; the upper end shell 21 is annular, and the cross section of the lower end shell 22 is L-shaped. Further, as shown in fig. 5, the lower housing 22 is split and is composed of two symmetrical semi-annular portions.
As shown in fig. 4, a cylinder 24 is coaxially disposed on the upper end housing 21, and a cylinder flange 25 is disposed at an end of the cylinder 24. Reinforcing ribs 26 are arranged between the cylinder 24 and the upper end shell 21 and between the cylinder 24 and the cylinder flange 25, and the reinforcing ribs 26 are perpendicular to the cylinder 24, the upper end shell 21 and the cylinder flange 25. A flange is arranged at the upper end of the lower end shell 22, and the upper end shell 21 is installed on the flange of the lower end shell 22.
Further, as shown in fig. 5, a flange is formed outwardly at the lower end edge of the lower end housing 22, and reinforcing ribs are provided between the flange and the outer wall of the lower end housing 22 and between the flange and the upper end of the lower end housing 22, and are perpendicular to the flange, the outer wall of the lower end housing 22 and the flange at the upper end of the lower end housing 22.
As shown in fig. 2, a circular ring-shaped accommodating cavity 3 is formed between the outer side of the inner shell 1 and the inner side of the outer shell 2, the section of the accommodating cavity 3 is rectangular, a coil spring 4 is arranged in the accommodating cavity 3, as shown in fig. 7, the coil spring 4 is the prior art and is commercially available, in this embodiment, the coil spring 4 is a stainless steel coil spring, a wear-resistant lubricating plate 31 is arranged in the accommodating cavity 3, the wear-resistant lubricating plate 31 is located on two axial sides of the coil spring 4, as shown in fig. 6, the wear-resistant lubricating plate 31 is in a semi-circular shape, in this embodiment, the number of the wear-resistant lubricating plates 31 is four, and the wear-resistant lubricating plates are symmetrically distributed on two axial sides of the coil spring 4 and fixedly mounted on the inner wall of the accommodating cavity 3, and the wear-resistant lubricating plate 31 is made of a wear-resistant and lubricating material, such as a PTFE/Pb mixture.
As shown in fig. 2, the coil spring 4 is provided with a plurality of cables 5 extending in the winding direction of the coil spring 4, the cables 5 are arranged in parallel with the coil spring 4, and the cables 5 are arranged inside or outside the coil spring 4. Cable 5 installs on coil spring 4 through buckle 6, buckle 6 be prior art, the market purchase can, in this embodiment buckle 6 adopts the fixed buckle of stainless steel formula, and cable 5 is on coil spring 4 through 6 fixed mounting of a plurality of buckle, 6 equidistant distributions of each buckle.
As shown in fig. 2, the inner ends of the coil spring 4 and the cable 5 are connected to the inner case 1 through the cable hole 13, and specifically, the inner ends of the coil spring 4 and the cable 5 may be fixed in the cable hole 13 by a pair of buckles 6 disposed at both sides of the cable hole 13, or the inner end of the coil spring 4 may be installed at the cable hole 13 by a screw.
The outer end of the coil spring 4 is connected to the housing 2, and the outer ends of the coil spring 4 and the cable 5 can be fixed in the outer cable hole 23 by a pair of catches 6 provided on both sides of the outer cable hole 23. Alternatively, the outer end of the coil spring 4 is mounted at the outer cable hole 23 by a screw.
Example two:
as shown in figure 1, the invention also discloses a radar which comprises a base 7, a rotary table 8, an antenna 9 and the coil spring type multi-cable anti-winding automatic winding device.
As shown in fig. 1, the base 7, the turntable 8, the antenna 9, and the driving mechanism for driving the turntable 8 to rotate in this embodiment are all the prior art, the driving mechanism includes a motor disposed on the base 7, a driving gear is disposed on a rotating shaft of the motor, a gear ring is disposed on the turntable 8, and the driving gear is engaged with the gear ring to realize driving.
As shown in fig. 1, the turntable 8 is rotatably mounted on the base 7, and the inner shell 1 is connected to the turntable 8, specifically, connected to the turntable 8 through a mounting flange 11.
As shown in fig. 1, the housing 2 is connected to the base 7, in particular to the top surface of the base 7 through a cylindrical flange 25; the antenna 9 is installed on the rotary table 8, the inner end of the cable 5 is connected to the antenna 9, the outer end of the cable 5 is connected to the base 7, and therefore the antenna 9 is connected out.
The working principle is as follows:
as shown in fig. 1 and 2, the automatic anti-winding device for the coil spring type multi-cable winding adopts a structure of adding the coil spring to the inner shell and the outer shell in practical application, and has the advantages of simple structure, small axial space size and low cost. The cable winds along the coil spring for corresponding turns, the rotation of the cable at corresponding angles is driven along with the tightening and loosening of the coil spring, and the cables in different circle layers are separated by the coil spring, so that the cables in different circle layers cannot be wound, and the large-angle non-winding rotation of the multi-cable with a simple structure is realized. The winding device is simple to process and install, stable and reliable in structural performance and long in service life. The invention does not damage the structure of the cable, has no time delay or distortion phenomenon on the transmission of system electric power and signals when the cable is wound, has stable and reliable transmission and has no additional environmental adaptability requirement. The automatic winding device does not need to additionally provide drive, and the relative rotation of the rotary table and the base is relied on, so that the inner shell and the outer shell of the driving device can rotate relatively, when the relative rotation causes the coil spring to tighten, the coil spring is close to the inner shell, the radius is small, the number of turns is increased, when the reverse rotation causes the coil spring to loosen, the coil spring is far away from the inner shell and is close to the outer shell, the radius is large, the number of turns is reduced, and therefore the large-angle positive and negative winding of the cable is achieved. The invention adopts the coil spring type structure to separate different circle layers of a plurality of cables, avoids the phenomenon that the cables on different circle layers are wound to be incapable of rotating or damage the cables when rotating, and ensures the reliability of the cables when rotating.
Because the wear-resistant lubricating plate 31 is arranged, the upper surface and the lower surface of the coil spring and the cable are in contact with the wear-resistant lubricating plate to generate sliding friction, the friction coefficient is small, the reliability and the service life of the device are improved, and the phenomenon that the dry friction resistance and the noise are large due to the direct contact with the bottom surface of the metal shell is avoided.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a spring-type multi-cable antiwind automatic take-up device which characterized in that: the device comprises an inner shell (1), wherein an outer shell (2) is coaxially arranged on the outer side of the inner shell (1), and the inner shell (1) and the outer shell (2) can rotate relatively;
an annular accommodating cavity (3) is formed between the outer side of the inner shell (1) and the inner side of the outer shell (2), a coil spring (4) is arranged in the accommodating cavity (3), the inner end of the coil spring (4) is connected to the inner shell (1), and the outer end of the coil spring (4) is connected to the outer shell (2);
the coil spring (4) is provided with a cable (5) extending along the winding direction of the coil spring (4).
2. The wrap spring type multi-wire anti-wind automatic winding device according to claim 1, wherein: the inner shell (1) is of a circular ring-shaped structure, a mounting flange (11) is arranged at the first end of the inner shell (1), and a supporting flange (12) is arranged at the second end of the inner shell (1).
3. The wrap spring type multi-wire anti-wind automatic winding device according to claim 1, wherein: and a wear-resistant lubricating plate (31) is arranged in the accommodating cavity (3), and the wear-resistant lubricating plate (31) is positioned on two sides of the coil spring (4).
4. The wrap spring type multi-wire anti-wind automatic winding device according to claim 1, wherein: the section of the shell (2) is of a shape of a letter 21274.
5. The wrap spring type multi-wire anti-wind automatic winding device according to claim 4, wherein: the housing (2) comprises an upper end housing (21) and a lower end housing (22);
the upper end shell (21) is annular, and the cross section of the lower end shell (22) is L-shaped.
6. The wrap spring type multi-wire anti-wind automatic winding device according to claim 5, wherein: a cylinder (24) is coaxially arranged on the upper end shell (21), and a cylinder flange (25) is arranged at the end part of the cylinder (24).
7. The wrap spring type multi-wire anti-wind automatic winding device according to claim 6, wherein: and reinforcing ribs (26) are arranged among the cylinder (24), the upper end shell (21) and the cylinder flange (25).
8. The wrap spring type multi-wire anti-wind automatic winding device according to claim 5, wherein: the upper end of the lower end shell (22) is provided with a flange, and the upper end shell (21) is installed on the flange of the lower end shell (22).
9. The wrap spring type multi-wire anti-wind automatic winding device according to claim 1, wherein: the cable (5) is mounted on the coil spring (4) through a buckle (6).
10. A radar, characterized by: comprising a base (7), a turntable (8), an antenna (9) and a wrap spring multi-cable anti-wind automatic spooling device according to any of claims 1-9;
the rotary table (8) is rotatably arranged on the base (7), the inner shell (1) is connected to the rotary table (8), and the outer shell (2) is connected to the base (7);
the antenna (9) is installed on the rotary table (8), the inner end of the cable (5) is connected to the antenna (9), and the outer end of the cable (5) is connected to the base (7).
CN202111088035.1A 2021-09-16 2021-09-16 Coil spring type multi-cable anti-winding automatic winding device and radar Active CN113697612B (en)

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