CN112821155B - Spiral cable and get rid of and hang transport vechicle - Google Patents
Spiral cable and get rid of and hang transport vechicle Download PDFInfo
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- CN112821155B CN112821155B CN202110006991.4A CN202110006991A CN112821155B CN 112821155 B CN112821155 B CN 112821155B CN 202110006991 A CN202110006991 A CN 202110006991A CN 112821155 B CN112821155 B CN 112821155B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/027—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems between relatively movable parts of the vehicle, e.g. between steering wheel and column
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a spiral cable and a drop and pull transport vehicle, and relates to the technical field of vehicle accessories. The spiral cable is used in a drop and pull transport vehicle and comprises a cable main body, wherein the cable main body comprises an outer sheath and a plurality of coaxial cables arranged in parallel in the outer sheath, and each coaxial cable is configured to transmit a path of digital video signals; the input end of the cable main body is connected with a signal input plug, the signal input plug is configured to be plugged in a signal output socket of the video signal source device, the output end of the cable main body is connected with a signal output plug, and the signal output plug is configured to be plugged in a signal input socket of the video signal receiving device. The multi-channel high-definition video signals of the video signal source equipment in the trailer can be transmitted to the video signal receiving equipment of the main vehicle through the spiral cable.
Description
Technical Field
The invention relates to the technical field of vehicle accessories, in particular to a spiral cable and a drop and pull transport vehicle.
Background
In a part of swing-hang transport vehicle, in order to transmit video signals on a trailer to a main vehicle (tractor), signals of video signal source equipment installed on the trailer are transmitted to video signal receiving equipment of the main vehicle by adopting a spiral cable so as to be stored and displayed.
However, the spiral cable in the prior art mostly adopts common wires and terminals for transmission, and generally only can transmit a single-channel video signal. With the increase of video signal source equipment and the improvement of the requirement on the definition of video signals, the spiral cable cannot meet the requirement on the transmission of the video signals on the trailer.
Accordingly, there is a need for a spiral cable and a drop and pull transport vehicle to solve the above problems.
Disclosure of Invention
The invention aims to provide a spiral cable and a drop and pull transport vehicle, which can transmit multi-path high-definition video signals and meet the transmission requirements.
In order to achieve the purpose, the invention adopts the following technical scheme:
a spiral cable line is used in a drop and pull transport vehicle, the drop and pull transport vehicle comprises a main vehicle and a trailer which are connected, the trailer comprises a video signal source device with a signal output socket, the main vehicle comprises a video signal receiving device with a signal input socket, the spiral cable line comprises a cable line main body, the cable line main body comprises an outer sheath and a plurality of coaxial cable lines which are arranged in parallel inside the outer sheath, and each coaxial cable line is configured to transmit a digital video signal;
the input end of the cable main body is connected with a signal input plug, the signal input plug is configured to be plugged in the signal output socket, the output end of the cable main body is connected with a signal output plug, and the signal output plug is configured to be plugged in the signal input socket.
Optionally, a first abutting disc is fixedly arranged outside the signal input plug, the signal output socket is rotatably connected with a first protective cover through a first torsion spring structure, the signal input plug is inserted into the signal output socket when the first protective cover is opened, and the first protective cover abuts against the first abutting disc to provide elasticity, so that the signal input plug abuts against the signal output socket;
the signal output plug external fixation is provided with the second butt dish, signal input socket rotates through second torsional spring structure and is connected with the second visor, when the second visor is opened signal output plug pegs graft in the signal input socket, just the second visor with second butt dish butt is in order to provide elasticity, makes signal output plug supports tightly signal input socket.
Optionally, a first limiting groove is formed in a surface of the first abutting joint disc, which faces away from the signal input plug, and the first limiting groove is configured to abut against a part of the protrusions on the first protection cover;
and one surface of the second abutting-joint disc, which is far away from the signal output plug, is provided with a second limiting groove, and the second limiting groove is configured to abut against part of the bulges on the second protective cover.
Optionally, a signal input terminal and a signal output terminal are respectively crimped at two ends of each coaxial cable, a first jack is formed on the signal input plug along the axis of the signal input plug, and the plurality of signal input terminals in the spiral cable are all inserted into the first jacks and fixedly connected with the signal input plug;
and a plurality of signal output terminals in the spiral cable are all arranged in the second jack in a penetrating way and are fixedly connected with the signal output plug.
Optionally, error-proofing structures are disposed at the first jack and the second jack, respectively, so as to align the signal input plug and the signal output socket, respectively, and align the signal output plug and the signal input socket.
Optionally, a filler is disposed between the outer sheath and the plurality of coaxial cables.
Optionally, a first sealing ring is sleeved on the signal input plug, and the signal input plug is connected with the signal output socket in a sealing manner through the first sealing ring;
the signal output plug is sleeved with a second sealing ring, and the signal output plug is connected with the signal input socket in a sealing mode through the second sealing ring.
Optionally, the joint of the cable body and the signal input plug and the joint of the cable body and the signal output plug are both sheathed with an anti-bending protective sleeve.
Optionally, along the length direction of the cable main body, the cable main body is divided into a spiral telescopic section and non-spiral connecting sections connected to two ends of the spiral telescopic section.
The invention also provides a swing and hang transport vehicle, which comprises the spiral cable, and the swing and hang transport vehicle also comprises:
the device comprises a trailer, wherein video signal source equipment is arranged on the trailer and is provided with a signal output socket, and a signal input plug is inserted into the signal output socket;
the main vehicle is connected with the trailer, the main vehicle is provided with a video signal receiving device, the video signal receiving device is provided with a signal input socket, and the signal output plug is inserted into the signal input socket.
The invention has the beneficial effects that:
the invention provides a spiral cable and a drop and pull transport vehicle, wherein a cable main body containing a plurality of coaxial cables is arranged, a signal input plug and a signal output plug are respectively arranged at the input end and the output end of the cable main body, the signal input plug is plugged in a signal output socket, and the signal output plug is plugged in the signal input socket, so that a plurality of paths of video signals of a video signal source device can be transmitted to a video signal receiving device through the spiral cable. Meanwhile, the coaxial cable transmits digital video signals, so that more information can be transmitted at the same time compared with analog video signals, and high-definition video signals can be transmitted.
Drawings
Fig. 1 is a schematic overall structure diagram of a spiral cable according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a cable body in a spiral cable according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a signal input plug in a spiral cable according to a first embodiment of the present invention;
fig. 4 is a schematic perspective view of a signal input plug in a spiral cable according to a first embodiment of the present invention;
fig. 5 is a schematic front view of a signal input plug in a spiral cable according to an embodiment of the present invention.
In the figure:
1. a cable wire body; 11. an outer sheath; 12. a coaxial cable line; 121. a signal input terminal; 13. a filler; 10. a spiral telescopic section; 20. a non-helical connecting section;
2. a signal input plug; 21. a mistake proofing structure; 211. positioning holes; 212. positioning a groove; 22. a first seal ring; 3. a first abutting joint disc; 31. a first limit groove; 4. a signal output plug; 41. a second seal ring; 5. a second abutting joint disc; 6. anti buckling protective sheath.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; 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. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
Example one
The embodiment provides a spiral cable which is used for throwing and hanging a transport vehicle. The drop and pull transport vehicle comprises a main vehicle and a trailer which are mutually connected. Wherein the trailer comprises a video signal source device with a signal output socket, and the main vehicle comprises a video signal receiving device with a signal input socket.
As shown in fig. 1 to 5, the spiral cable includes a cable main body 1, the cable main body 1 includes an outer sheath 11 and a plurality of coaxial cables 12 arranged in parallel inside the outer sheath 11, and each coaxial cable 12 is capable of transmitting a digital video signal. In the integral structure, the input end of the cable main body 1 is connected with a signal input plug 2, and the signal input plug 2 is used for being plugged in a signal output socket; the output end of the cable main body 1 is connected with a signal output plug 4, and the signal output plug 4 is used for being plugged in a signal input socket.
According to the arrangement, the signal input plug 2 is plugged in the signal output socket, and the signal output plug 4 is plugged in the signal input socket, so that the multi-channel video signals of the video signal source equipment can be transmitted to the video signal receiving equipment through the spiral cable. Meanwhile, since the coaxial cable 12 transmits digital video signals, more information can be transmitted at the same time compared with analog video signals, so that transmission of high-definition video signals is realized.
In the present embodiment, three coaxial cables 12 are provided in the cable main body 1, and all of the three coaxial cables 12 are RG58 coaxial cables. The transmission rate of each coaxial cable 12 is not lower than 8000Mb/S for a specific transmission rate, so as to meet the transmission requirement of high definition video signals.
Alternatively, for the cable main body 1, the outer sheath 11 thereof is formed by injection molding. As shown in fig. 2, a filler 13 is further disposed between the outer sheath 11 and the plurality of coaxial cables 12 to play a role of buffering protection, so as to enhance the stamping resistance of the cable body 1, and to make the cable body 1 more round and better in appearance quality. Specifically, the filler 13 may be a PP (Polypropylene) filling rope, which has good insulation and flexibility, long service life, low cost, and good economical efficiency.
In the overall structure, as shown in fig. 1, along the length direction of the cable body 1, the cable body 1 is divided into a spiral telescopic section 10 and non-spiral connecting sections 20 connected to two ends of the spiral telescopic section 10, and the two non-spiral connecting sections 20 are respectively connected to the signal input plug 2 and the signal output plug 4. According to this, under the effect of spiral flexible section 10, spiral cable conductor has had tensile resilience function, can satisfy the operating mode requirement when main car or trailer turn. In this embodiment, the spiral cable can meet the bending, stretching and folding requirements of 10 years/100 kilometers of all road conditions. Meanwhile, the non-spiral connecting section 20 is connected with the signal input plug 2 or the signal output plug 4, so that the processing and the manufacturing are facilitated.
Optionally, the joint between the cable body 1 and the signal input plug 2 and the joint between the cable body 1 and the signal output plug 4 are respectively sleeved with an anti-bending protective sleeve 6, so that the cable body 1 positioned in the above two positions is prevented from being excessively bent in the running process of the swing-hanging transport vehicle, the cable body 1 is protected, and the service life of the spiral cable is prolonged. Specifically, the bending-resistant protective sheath 6 may be a rubber sheath or a corrugated sheath.
Next, specific configurations of the signal input plug 2 and the signal output plug 4 will be described.
In this embodiment, the signal input plug 2 is provided with a first jack along its own axis, and the signal output plug 4 is provided with a second jack along its own axis. Meanwhile, a signal input terminal 121 and a signal output terminal are respectively crimped at two ends of each coaxial cable 12 so as to be electrically connected with a signal output socket or a signal input socket, thereby realizing signal transmission. A plurality of signal input terminals 121 in the spiral cable are all inserted into the first jack and fixedly connected with the signal input plug 2, and a plurality of signal output terminals in the spiral cable are all inserted into the second jack and fixedly connected with the signal output plug 4.
Further, error-proofing structures 21 are provided at both the first and second insertion holes to align the signal input plug 2 and the signal output socket, and to align the signal output plug 4 and the signal input socket, respectively.
Specifically, for example, as shown in fig. 3, the error-proofing structure 21 at the first jack is provided with a plurality of positioning holes 211 with different shapes or sizes in the first jack and outside the signal input terminal 121, and a positioning groove 212 is further provided on the circumferential outer wall of the signal input plug 2, so as to sufficiently ensure the alignment between the signal input plug 2 and the signal output socket. In this embodiment, the error-proofing structure 21 at the second jack is the same as that at the first jack, and is not described herein again.
Optionally, the first sealing ring 22 is sleeved on the signal input plug 2, when the signal input plug 2 is inserted into the signal output socket, a gap between the signal input plug 2 and the signal output socket can be compensated through the first sealing ring 22, sealing between the signal input plug 2 and the signal output socket is achieved, and the requirements of dust prevention and water prevention are met. Similarly, a second sealing ring 41 is sleeved on the signal output plug 4, and when the signal output plug 4 is inserted into the signal input socket, sealing between the signal output plug 4 and the signal input socket can be realized through the second sealing ring 41.
In this embodiment, the sealing between the signal input plug 2 and the signal output socket, and the sealing between the signal output plug 4 and the signal input socket can both satisfy the requirement of the waterproof class IP 69K.
Otherwise, the signal input plug 2 and the signal output plug 4 have the same mechanical structure, so that the processing is convenient, and the cost is saved. Furthermore, the plugging life of the two is not less than 3000 times to satisfy the long-term use requirement of getting rid of hanging transport vechicle.
In the present embodiment, considering that the first protection cover is usually disposed at the signal output socket, the first abutting plate 3 is further disposed outside the signal input plug 2, so that the signal input plug 2 abuts against the signal output socket by using the first protection cover. Specifically, first protecting cover rotates with signal output socket through first torsional spring structure and is connected. When first protective cover was opened, signal input plug 2 pegged graft in the signal output socket, and first protective cover and 3 butts of first butt joint dish. At this moment, because first torsion spring structure can provide elasticity for first protecting cover so that it resets, so when first protecting cover received blockking of first butt dish 3, first protecting cover can apply above-mentioned elasticity for signal input plug 2 through first butt dish 3, makes signal input plug 2 support tight signal output socket, the reliability of reinforcing connection.
Further, as shown in fig. 4, a first limiting groove 31 has been opened on the side of the first butting disk 3 departing from the signal input plug 2, and a part of the protrusions on the first protection cover can butt in the first limiting groove 31, thereby ensuring the reliability of the first protection cover and the first butting disk 3. It is to be understood that the above-mentioned projection refers to a projection provided on a side of the first protector facing the signal input plug 2 when the first protector is opened. Specifically, the position, shape and size of the first limiting groove 31 can be set according to actual needs to match with the above-mentioned protrusion.
It should be noted that, as shown in fig. 5, when the first contact pad 3 is disposed, an included angle α between an axial direction of the first contact pad 3 away from the signal input plug 2 and an axial direction of the signal input plug 2 away from the signal output socket is an acute angle, so that a force applied to the first contact pad 3 can be partially converted into an axial force of the signal input plug 2, and the axial force faces the signal output socket, so that the signal input plug 2 contacts the signal output socket.
Similarly, there are the following settings at the signal output plug 4: the signal input socket is rotatably connected with a second protective cover through a second torsion spring structure, and a second butting disc 5 is fixedly arranged outside the signal output plug 4; when the second protective cover is opened, the signal output plug 4 is inserted into the signal input socket, and the second protective cover is abutted against the second abutting disc 5 to provide elasticity for the signal output plug 4, so that the signal output plug 4 abuts against the signal input socket.
Furthermore, a second limiting groove is formed in one surface, away from the signal output plug 4, of the second abutting disc 5, and a part of the protrusions on the second protective cover can abut against the second limiting groove, so that the abutting reliability of the second protective cover and the second abutting disc 5 is guaranteed.
In this embodiment, first butt flange 3 and the integration setting of signal input plug 2, second butt flange 5 and the integration setting of signal output plug 4, overall structure is very firm.
To sum up, the present embodiment provides a spiral cable line, which has the following advantages:
(1) A plurality of paths of high-definition video signals can be transmitted through a spiral cable with a plurality of coaxial cables 12;
(2) By arranging the spiral telescopic section 10, the spiral cable has a stretching and rebounding function, and the working condition requirement of the main vehicle or the trailer during turning can be met;
(3) By arranging the first abutting disc 3 and the second abutting disc 5, the signal input plug 2 can abut against the signal output socket, the signal output plug 4 abuts against the signal input socket, and the connection reliability is guaranteed.
Example two
The present embodiment provides a spiral cable line, which has substantially the same structure as the spiral cable line provided in the first embodiment, except that: the first contact pad 3 and the signal input plug 2 are detachably connected, and the second contact pad 5 and the signal output plug 4 are detachably connected.
Taking the first abutting disc 3 as an example, compared with the signal input plug 2, the first abutting disc 3 is directly stressed and is likely to be more worn, so that the first abutting disc 3 can be conveniently replaced according to the arrangement, the maintenance is facilitated, and the cost is reduced on the whole. Similarly, the second abutting disc 5 can be replaced conveniently according to the above arrangement, and the description is omitted.
Optionally, a threaded hole is formed in the signal input plug 2, a stud is arranged on one surface, facing the signal input plug 2, of the first butting disc 3, and the stud can be in threaded connection with the threaded hole, so that detachable connection between the first butting disc 3 and the signal input plug 2 is achieved. Furtherly still can set up a screw hole respectively in the different positions of signal input plug 2, make the double-screw bolt selectively with a plurality of screw holes in be connected to be convenient for adjust the mounted position of first butt flange 3, make first butt flange 3 and first protective cover butt better, adaptability is stronger.
Similarly, the detachable connection between the second interface pad 5 and the signal output plug 4 can be achieved by the above arrangement, which is not described in detail here.
EXAMPLE III
The embodiment provides a drop and pull transport vehicle which comprises the spiral cable line in the first embodiment or the second embodiment.
Besides the spiral cable, the drop and pull transport vehicle also comprises a trailer and a main vehicle which are connected with each other. The trailer is provided with video signal source equipment, the video signal source equipment is provided with a signal output socket, and the signal input plug 2 is plugged in the signal output socket. The main vehicle is provided with a video signal receiving device which is provided with a signal input socket, and a signal output plug 4 is inserted in the signal input socket.
At the moment, the multi-channel high-definition video signals of the video signal source device can be transmitted to the video signal receiving device through the spiral cable.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (8)
1. A spiral cable used in a drop and pull transport vehicle, the drop and pull transport vehicle comprises a main vehicle and a trailer which are connected, the trailer comprises a video signal source device with a signal output socket, the main vehicle comprises a video signal receiving device with a signal input socket, the spiral cable comprises a cable body (1), the cable body (1) comprises an outer sheath (11) and a plurality of coaxial cables (12) which are arranged in parallel inside the outer sheath (11), and each coaxial cable (12) is configured to transmit a digital video signal;
the input end of the cable main body (1) is connected with a signal input plug (2), the signal input plug (2) is configured to be plugged in the signal output socket, the output end of the cable main body (1) is connected with a signal output plug (4), and the signal output plug (4) is configured to be plugged in the signal input socket;
the signal input plug (2) is fixedly provided with a first abutting disc (3) outside, the signal output socket is rotatably connected with a first protective cover through a first torsion spring structure, the signal input plug (2) is inserted into the signal output socket when the first protective cover is opened, and the first protective cover abuts against the first abutting disc (3) to provide elasticity, so that the signal input plug (2) abuts against the signal output socket; an included angle alpha between the axial direction of the first butting disk (3) departing from the signal input plug (2) and the axial direction of the signal input plug (2) departing from the signal output socket is an acute angle;
a second abutting disc (5) is fixedly arranged outside the signal output plug (4), the signal input socket is rotatably connected with a second protective cover through a second torsion spring structure, the signal output plug (4) is inserted into the signal input socket when the second protective cover is opened, and the second protective cover abuts against the second abutting disc (5) to provide elasticity, so that the signal output plug (4) abuts against the signal input socket;
follow the length direction of cable conductor main part (1), cable conductor main part (1) divide into spiral flexible section (10) and connects non-spiral connection section (20) at spiral flexible section (10) both ends.
2. The spiral cable of claim 1, wherein the first abutting disc (3) is provided with a first limiting groove (31) on a surface facing away from the signal input plug (2), and the first limiting groove (31) is configured to abut against a part of the protrusion on the first protecting cover;
and one surface of the second butting disc (5) departing from the signal output plug (4) is provided with a second limiting groove, and the second limiting groove is configured to be butted with part of bulges on the second protective cover.
3. The spiral cable line according to claim 1, wherein a signal input terminal (121) and a signal output terminal are respectively crimped at two ends of each coaxial cable line (12), a first jack is arranged on the signal input plug (2) along the axis of the signal input plug, and the signal input terminals (121) in the spiral cable line are all inserted into the first jack and fixedly connected with the signal input plug (2);
and a second jack is formed in the signal output plug (4) along the axis of the signal output plug, and a plurality of signal output terminals in the spiral cable are all arranged in the second jack in a penetrating manner and are fixedly connected with the signal output plug (4).
4. The spiral cable of claim 3, wherein error proofing structures (21) are provided at both the first and second receptacles to align the signal input plug (2) and the signal output receptacle, respectively, and to align the signal output plug (4) and the signal input receptacle.
5. The helical cable of claim 1, wherein a filler (13) is disposed between the outer jacket (11) and the plurality of coaxial cables (12).
6. The spiral cable line as claimed in claim 1, wherein the signal input plug (2) is sleeved with a first sealing ring (22), and the signal input plug (2) is connected with the signal output socket in a sealing way through the first sealing ring (22);
the signal output plug (4) is sleeved with a second sealing ring (41), and the signal output plug (4) is connected with the signal input socket in a sealing mode through the second sealing ring (41).
7. The spiral cable of claim 1, wherein the junction of the cable body (1) and the signal input plug (2) and the junction of the cable body (1) and the signal output plug (4) are sheathed with an anti-buckling protective sheath (6).
8. A swing-away transport cart comprising a spiral cable according to any of claims 1-7, the swing-away transport cart further comprising:
the trailer is provided with video signal source equipment, the video signal source equipment is provided with a signal output socket, and the signal input plug (2) is plugged in the signal output socket;
the main vehicle is connected with the trailer, video signal receiving equipment is arranged on the main vehicle, the video signal receiving equipment is provided with a signal input socket, and the signal output plug (4) is inserted in the signal input socket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110006991.4A CN112821155B (en) | 2021-01-05 | 2021-01-05 | Spiral cable and get rid of and hang transport vechicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110006991.4A CN112821155B (en) | 2021-01-05 | 2021-01-05 | Spiral cable and get rid of and hang transport vechicle |
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| CN112821155B true CN112821155B (en) | 2022-12-30 |
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