CN113697612B - Coil spring type multi-cable anti-winding automatic winding device and radar - Google Patents
Coil spring type multi-cable anti-winding automatic winding device and radar Download PDFInfo
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- CN113697612B CN113697612B CN202111088035.1A CN202111088035A CN113697612B CN 113697612 B CN113697612 B CN 113697612B CN 202111088035 A CN202111088035 A CN 202111088035A CN 113697612 B CN113697612 B CN 113697612B
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- 238000004804 winding Methods 0.000 title claims abstract description 53
- 230000001050 lubricating effect Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000011160 research Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 10
- 238000005461 lubrication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
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- 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)
- Radar Systems Or Details Thereof (AREA)
- Details Of Aerials (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 relatively rotate; a circular containing 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 containing 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 the winding direction of the coil spring. The radar comprises a base, a turntable, an antenna and any coil spring type multi-cable anti-winding automatic winding device; the turntable is rotatably arranged on the base, the inner shell is connected to the turntable, 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 high in applicability can be provided, and further high-precision and multifunctional radar high-integration research is realized.
Description
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
Along with development and application of radar technology, higher and higher requirements are put forward on the performance of the radar, wherein mobile radars such as vehicle-mounted radars and ship-borne radars are researched and applied more and more widely due to the characteristics of high precision, high integration and multiple functions. The radar is mainly composed of a base, a turntable, an antenna and other mechanisms, wherein the turntable is used as a radar mechanical scanning component and is responsible for target angle tracking during radar operation, and meanwhile, the radar is also responsible for load and signal transmission between a radar rotating antenna and ground fixed equipment. The typical turntable consists of a supporting and rotating device, a power driving device, a position detecting device, a rotating combination, a safety protection device and the like. The power supply and the signal transmission between the rotating part and the fixed part are realized mainly by the rotation combination in the rotation process of the radar.
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 to 360 degrees or continuous rotation in forward and reverse directions. At present, the rotary combination of the radar turntable at home and abroad mainly comprises two forms of a rotary drag chain and a confluence ring.
The rotary drag chain is formed by overlapping 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 passes through the center of the rotary drag chain and rotates along with the drag chain, so that the rotation of the cable at a certain angle is realized, the price is relatively low, the technology is mature, and the rotary drag chain is more applied to a system with the rotation angle of-180 degrees continuously and larger size space. However, when the number of cables is large and the rotation angle is increased, the dimension thereof 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 confluence ring is formed by superposing a plurality of signal channels, can realize continuous infinite transmission of electric power and various signals, the larger the transmitted power is, the larger the size of the signal in the neck direction and the axis direction is, the more expensive the size of the signal is, the technology is relatively mature, special processing technology is required, the design and the processing are difficult, the application environment is limited, and the confluence ring is more applicable in a system which continuously rotates in positive and negative directions in an infinite way and is allowed by space size and price. In the prior art, for example, chinese patent application publication No. CN111969292a discloses a compact radar antenna turret, which includes an azimuth adjusting unit and a pitch adjusting unit. The azimuth adjusting unit comprises a shell, a disc motor, a gear transmission mechanism, an output flange, a converging ring and an encoder; the gear transmission mechanism comprises a driving gear, a speed change gear assembly and a driven gear, wherein the driving gear is fixedly arranged on an output shaft of the disc type motor and is in transmission connection with the driven gear through the speed change gear assembly, the driven gear is fixedly sleeved on the outer side of the output flange, the lower end of the output flange is rotatably connected with the shell, the upper end of the output flange extends out of the shell, the converging ring is arranged in a hollow cavity of the output flange, and the encoder moving disc is fixedly connected with the lower surface of the driven gear. The pitching adjusting unit comprises a supporting seat, a pitching shaft, a tightening hoop for installing a radar antenna and a locking mechanism; the supporting seat is fixedly arranged at the upper end of the output flange, two ends of the tightening ring are respectively hinged with the supporting seat through pitching shafts, and the locking mechanism is used for fixing the pitching posture of the tightening ring. The adopted combination is that the confluence ring rotates.
The existing radar turntable rotation combination can not provide a stable and reliable rotation combination with larger rotation angle, low price, smaller axial dimension and strong applicability, so that the high-precision multifunctional radar can not be subjected to high-integration research.
Disclosure of Invention
The technical problems to be solved by the invention are as follows:
the radar turntable rotation combination in the prior art can not provide a rotation combination which is stable and reliable, has large rotation angle, low price, small axial dimension and strong applicability, and the technical problem that the high-precision multifunctional radar can not perform high-integration research is caused.
The invention solves the technical problems by the following technical means: the 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 relative rotation can be realized between the inner shell and the outer shell;
a circular containing 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 containing 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 the winding direction of the coil spring.
When the coil spring type multi-cable anti-winding automatic winding device is practically applied, the structure of the inner and outer shells and the coil spring type is adopted, the structure is simple, the axial space size is smaller, and the cost is low. The winding of corresponding number of turns is carried out along the coil spring to the cable, along with the tightening and loosening rotation of the coil spring, drives the cable to rotate at corresponding angles, and cables of different circle layers are separated by the coil spring, so that the cables of different circle layers cannot be wound, and the multi-cable large-angle non-winding rotation under a simple structure is realized. The winding device disclosed by the invention 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 delay or distortion phenomenon to the transmission of the system electric power and signals when the cable is wound, and has stable and reliable transmission and no additional environmental adaptability requirement. The automatic winding device does not need to additionally provide driving, the inner shell and the outer shell of the device are driven to rotate relatively by means of relative rotation of the turntable and the base, when the coil spring is tightened by means of relative rotation, the radius is small and the number of turns is increased, when the coil spring is loosened by means of reverse rotation, the coil spring is far away from the inner shell and is abutted against the outer shell, the radius is large, the number of turns is reduced, and therefore large-angle forward and reverse winding of the cable is achieved. The invention adopts the coil spring structure to separate different coil layers of a plurality of cables, thereby avoiding the phenomenon that the cables of different coil layers cannot rotate or damage the cables due to cable winding when the cables rotate, and ensuring the reliability of the cables when the cables rotate.
Preferably, the inner shell is of a circular ring 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.
Optimally, the accommodating cavity is internally provided with a wear-resistant lubricating plate, and the wear-resistant lubricating plate is positioned at two sides of the coil spring.
Due to the fact that the wear-resistant lubrication plate is arranged, sliding friction is generated between the upper surface and the lower surface of the coil spring and the cable, which are in contact with the wear-resistant lubrication plate, the friction coefficient is small, the reliability and the service life of the device are improved, and dry friction resistance and large noise are avoided between the coil spring and the bottom surface of the metal shell.
Preferably, the cross section of the shell is -shaped.
Preferably, the housing comprises an upper housing and a lower housing;
the upper end shell is circular, and the section of the lower end shell is L-shaped.
Preferably, the upper end shell is coaxially provided with a cylinder, and the end part of the cylinder is provided with a cylinder flange.
Preferably, a reinforcing rib is 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 arranged 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 turntable, an antenna and any coil spring type multi-cable anti-winding automatic winding device;
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 coil spring type multi-cable anti-winding automatic winding device is practically applied, the structure of the inner and outer shells and the coil spring type is adopted, the structure is simple, the axial space size is smaller, and the cost is low. The winding of corresponding number of turns is carried out along the coil spring to the cable, along with the tightening and loosening rotation of the coil spring, drives the cable to rotate at corresponding angles, and cables of different circle layers are separated by the coil spring, so that the cables of different circle layers cannot be wound, and the multi-cable large-angle non-winding rotation under a simple structure is realized. The winding device disclosed by the invention 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 delay or distortion phenomenon to the transmission of the system electric power and signals when the cable is wound, and has stable and reliable transmission and no additional environmental adaptability requirement. The automatic winding device does not need to additionally provide driving, the inner shell and the outer shell of the device are driven to rotate relatively by means of relative rotation of the turntable and the base, when the coil spring is tightened by means of relative rotation, the radius is small and the number of turns is increased, when the coil spring is loosened by means of reverse rotation, the coil spring is far away from the inner shell and is abutted against the outer shell, the radius is large, the number of turns is reduced, and therefore large-angle forward and reverse winding of the cable is achieved. The invention adopts the coil spring structure to separate different coil layers of a plurality of cables, thereby avoiding the phenomenon that the cables of different coil layers cannot rotate or damage the cables due to cable winding when the cables rotate, and ensuring the reliability of the cables when the cables rotate.
2. Due to the fact that the wear-resistant lubrication plate is arranged, sliding friction is generated between the upper surface and the lower surface of the coil spring and the cable, which are in contact with the wear-resistant lubrication plate, the friction coefficient is small, the reliability and the service life of the device are improved, and dry friction resistance and large noise are avoided between the coil spring and the bottom surface of the metal shell.
Drawings
FIG. 1 is a schematic view of a radar in an embodiment of the present invention;
FIG. 2 is a schematic view of a wrap spring type multi-cable anti-wind automatic winding device in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of an inner shell according to an embodiment of the present invention;
FIG. 4 is a schematic view of an upper housing according to an embodiment of the present invention;
FIG. 5 is a partial schematic view of a lower end housing according to an embodiment of the invention;
FIG. 6 is a schematic view of an abrasion resistant lubricant plate in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of a coil spring in an embodiment of the invention;
wherein,
an inner case-1; a mounting flange-11; a support flange-12; an inner cable hole-13;
a housing-2; an upper end housing-21; a lower end housing-22; an outer cable hole-23; a cylinder-24; a cylindrical flange-25; reinforcing ribs-26;
a housing chamber-3; wear-resistant lubricating plate-31;
coil spring-4;
a cable-5;
a buckle-6;
a base-7;
a turntable-8;
and an antenna-9.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 2, the coil spring type multi-cable anti-winding automatic winding device 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 shell 1 has a circular ring structure, a first end of the inner shell 1 is provided with a mounting flange 11, and a second end of the inner shell 1 is provided with a supporting flange 12. An inner cable hole 13 is formed in the side wall of the inner shell 1, and the inner cable hole 13 is rectangular.
As shown in fig. 2, an outer shell 2 is coaxially disposed on the outer side of the inner shell 1, relative rotation between the inner shell 1 and the outer shell 2 can be achieved, and an outer cable hole 23 is disposed on the outer shell 2. Specifically, the cross section of the housing 2 is -shaped. 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 housing 21 is circular, and the lower end housing 22 is L-shaped in cross section. Further, as shown in fig. 5, the lower end housing 22 is split and is composed of two symmetrical semi-annular parts.
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. Between the cylinder 24 and the upper end housing 21 and the cylinder flange 25, a reinforcing rib 26 is provided, and the reinforcing rib 26 is perpendicular to the cylinder 24, the upper end housing 21 and the cylinder flange 25. The upper end of the lower end housing 22 is provided with a flange, and the upper end housing 21 is mounted on the flange of the lower end housing 22.
Further, as shown in fig. 5, the lower end edge of the lower end casing 22 forms a flange outwards, and a reinforcing rib is disposed between the flange and the outer wall of the lower end casing 22 and between the flange and the upper end of the lower end casing 22, and is perpendicular to the flange, the outer wall of the lower end casing 22 and the flange at the upper end of the lower end casing 22.
As shown in FIG. 2, a circular containing 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 containing cavity 3 is rectangular, a coil spring 4 is arranged in the containing cavity 3, as shown in FIG. 7, the coil spring 4 is available in the market, in this embodiment, the coil spring 4 is a stainless steel coil spring, wear-resistant lubricating plates 31 are arranged in the containing cavity 3, the wear-resistant lubricating plates 31 are located at two sides of the coil spring 4 in the axial direction, as shown in FIG. 6, the wear-resistant lubricating plates 31 are semicircular, in this embodiment, four wear-resistant lubricating plates 31 are symmetrically distributed at two sides of the coil spring 4 in the axial direction and fixedly mounted on the inner wall of the containing cavity 3, and the wear-resistant lubricating plates 31 are made of wear-resistant and lubricating materials, such as PTFE/Pb mixture.
As shown in fig. 2, the coil spring 4 is provided with a cable 5 extending in the winding direction of the coil spring 4, the cable 5 is provided in parallel with a plurality of cables 5, the cable 5 is arranged parallel to the coil spring 4, and the cable 5 is provided inside or outside the coil spring 4. The cable 5 is installed on the coil spring 4 through the buckle 6, the buckle 6 is in the prior art, the commercial purchase can be realized, in the embodiment, the buckle 6 adopts the stainless steel type fixed buckle, the cable 5 is fixedly installed on the coil spring 4 through a plurality of buckles 6, and all the buckles 6 are distributed at equal intervals.
As shown in fig. 2, the coil spring 4 and the inner end of the cable 5 are connected to the inner case 1 through the cable hole 13, and in particular, the coil spring 4 and the inner end of the cable 5 may be fixed in the cable hole 13 by a pair of buckles 6 provided at both sides of the cable hole 13, or the coil spring 4 may be mounted at the cable hole 13 by a screw.
The outer ends of the coil springs 4 are connected to the housing 2, and the outer ends of the coil springs 4 and the cables 5 are fixed in the outer cable hole 23 by a pair of snaps 6 provided at 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.
Embodiment two:
as shown in fig. 1, the invention also discloses a radar, which comprises a base 7, a turntable 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 in 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 meshed 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 housing 1 is connected to the turntable 8, in particular to the turntable 8 by means of 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 by means of a cylindrical flange 25; the antenna 9 is mounted on the turntable 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, so that the antenna 9 is connected out.
Working principle:
as shown in fig. 1 and 2, the coil spring type multi-cable anti-winding automatic winding device provided by the invention adopts a structure of an inner shell and an outer shell with coil springs in practical application, and has the advantages of simple structure, small axial space size and low cost. The winding of corresponding number of turns is carried out along the coil spring to the cable, along with the tightening and loosening rotation of the coil spring, drives the cable to rotate at corresponding angles, and cables of different circle layers are separated by the coil spring, so that the cables of different circle layers cannot be wound, and the multi-cable large-angle non-winding rotation under a simple structure is realized. The winding device disclosed by the invention 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 delay or distortion phenomenon to the transmission of the system electric power and signals when the cable is wound, and has stable and reliable transmission and no additional environmental adaptability requirement. The automatic winding device does not need to additionally provide driving, the inner shell and the outer shell of the device are driven to rotate relatively by means of relative rotation of the turntable and the base, when the coil spring is tightened by means of relative rotation, the radius is small and the number of turns is increased, when the coil spring is loosened by means of reverse rotation, the coil spring is far away from the inner shell and is abutted against the outer shell, the radius is large, the number of turns is reduced, and therefore large-angle forward and reverse winding of the cable is achieved. The invention adopts the coil spring structure to separate different coil layers of a plurality of cables, thereby avoiding the phenomenon that the cables of different coil layers cannot rotate or damage the cables due to cable winding when the cables rotate, and ensuring the reliability of the cables when the cables rotate.
Due to the fact that the wear-resistant lubrication plate 31 is arranged, sliding friction occurs between the upper surface and the lower surface of the coil spring and the cable, the friction coefficient is small, the reliability and the service life of the device are improved, and dry friction resistance and large noise are avoided between the coil spring and the bottom surface of the metal shell.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A radar, characterized by: the multi-cable anti-winding automatic winding device comprises a base (7), a turntable (8), an antenna (9), a driving mechanism for driving the turntable (8) to rotate and a coil spring type multi-cable anti-winding automatic winding device; the driving mechanism comprises a motor arranged on the base (7), a driving gear is arranged on a rotating shaft of the motor, a gear ring is arranged on the rotary table (8), and the driving gear is meshed with the gear ring to realize driving; the turntable (8) is rotatably mounted on the base (7), the antenna (9) is mounted on the turntable (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);
the coil spring type multi-cable anti-winding automatic winding device comprises an inner shell (1), wherein an outer shell (2) is coaxially arranged on the outer side of the inner shell (1), and relative rotation can be realized between the inner shell (1) and the outer shell (2); the inner shell (1) is connected to a turntable (8), and the outer shell (2) is connected to a base (7); the inner shell (1) is of a circular ring structure, a mounting flange (11) is arranged at the first end of the inner shell (1), a supporting flange (12) is arranged at the second end of the inner shell (1), the section of the outer shell (2) is -shaped, and the outer shell (2) comprises an upper-end outer shell (21) and a lower-end outer shell (22); the upper end shell (21) is circular, and the section of the lower end shell (22) is L-shaped;
a circular containing 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 containing 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. A radar according to claim 1 wherein: the accommodating cavity (3) is internally provided with a wear-resistant lubricating plate (31), and the wear-resistant lubricating plate (31) is positioned at two sides of the coil spring (4).
3. A radar according to claim 1 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).
4. A radar according to claim 3 wherein: a reinforcing rib (26) is arranged between the cylinder (24) and the upper end shell (21) and between the cylinder flange (25).
5. A radar according to claim 1 wherein: the upper end of the lower end shell (22) is provided with a flange, and the upper end shell (21) is mounted on the flange of the lower end shell (22).
6. A radar according to claim 1 wherein: the cable (5) is mounted on the coil spring (4) through a buckle (6).
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| CN202111088035.1A CN113697612B (en) | 2021-09-16 | 2021-09-16 | Coil spring type multi-cable anti-winding automatic winding device and radar |
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| CN202111088035.1A CN113697612B (en) | 2021-09-16 | 2021-09-16 | Coil spring type multi-cable anti-winding automatic winding device and radar |
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| CN113697612A CN113697612A (en) | 2021-11-26 |
| CN113697612B true CN113697612B (en) | 2023-12-22 |
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| CN113697612A (en) | 2021-11-26 |
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