A semi-rigid double-connected cable assembly and its welding inspection tool

Abstract

The present invention discloses a semi-rigid double cable assembly and a welding inspection tool thereof, belonging to the technical field of cable assembly. The semi-rigid double cable assembly comprises a double-headed connector, single-hole connectors arranged on both sides of the double-headed connector, and a cable for connecting the double-headed connector and the single-hole connector. The welding tool of the semi-rigid double cable assembly comprises a welding base, side positioning tables installed on both sides of the welding base, and a central positioning table installed in the middle of the welding base. The inspection tool of the semi-rigid double cable assembly comprises a inspection base, side inspection tables installed on both sides of the inspection base, and a central inspection table installed in the middle of the inspection base. The present invention adopts a new tool to solve the welding and positioning problems of the semi-rigid double cable assembly, ensure the three-dimensional angle of the flange, and meet the high-precision assembly requirements.

Description

Technical Field

[0001] The invention belongs to the technical field of cable assembly, and in particular relates to a semi-rigid duplex cable assembly and a welding inspection tool thereof. Background Art

[0002] Typically, a semi-rigid cable assembly is a coaxial transmission line consisting of a metal tube, typically made of copper, forming an outer conductor, and extending along the center of the tube. The center conductor is supported by a dielectric material that centers the conductor in the tube along the same axis as the outer conductor. In the prior art, manual welding is commonly used for cable assembly, resulting in low assembly efficiency and low assembly accuracy, which cannot meet high-precision requirements. In particular, in the case of stereoscopic angle requirements, traditional manual welding cannot meet technical indicators. For example, in XXX key military projects, semi-rigid cable assemblies need to ensure the stereoscopic angle of the flange, the assembly X direction (45.1±0.05mm), the assembly Y direction (1.7±0.05mm and 8.8±0.05mm), and the assembly Z direction (0.8±0.05mm) during assembly welding. Summary of the invention

[0003] In response to the above technical problems, the present invention provides a semi-rigid double cable assembly and its welding verification tooling, which adopts a new tooling to solve the welding and positioning problems of the semi-rigid double cable assembly, ensure the three-dimensional angle of the flange, and meet the high-precision assembly requirements.

[0004] The present invention solves the above problems by the following technical means:

[0005] A semi-rigid double-connected cable assembly comprises a double-ended connector, single-hole connectors arranged on both sides of the double-ended connector, and a cable for connecting the double-ended connector and the single-hole connector, wherein: the double-ended connector is composed of a step in the middle and mounting seats on both sides, a connecting hole is provided in the middle of the step, a side hole for installing the cable is provided on the side wall of the mounting seat, a top hole for installing an insulator is provided on the top wall of the mounting seat, an inner conductor is coaxially installed inside the insulator, and the bottom of the inner conductor is connected to the core of the cable; the single-hole connector is composed of a connecting seat and a flange, a side hole for installing the cable is provided on the side wall of the connecting seat, and a connecting sleeve is provided at the bottom of the connecting seat.

[0006] Preferably, the cable consists of an initial section, a curved section and a terminal section, wherein: the initial section and the terminal section adopt a parallel arrangement scheme or an angle arrangement scheme, and the angle range between the initial section and the terminal section in the angle arrangement scheme is 5°-30°; the curved section is used to connect the initial section and the terminal section, and the curved section includes one or more of an S-shaped bend, a Z-shaped bend, and a U-shaped bend.

[0007] The welding tooling of the above-mentioned semi-rigid double-connected cable assembly is characterized in that it includes a welding base, side positioning platforms installed on both sides of the welding base and a central positioning platform installed in the middle of the welding base, wherein: the side positioning platform is provided with a side positioning hole, a side positioning column is installed inside the side positioning hole, the side positioning column is used to position the flange of the single-hole connector, and the side positioning platform is also provided with a side positioning recess, the side positioning recess is used to position the connecting sleeve of the single-hole connector; positioning plates are provided on both sides of the central positioning platform, the positioning plates are used to position the mounting seats on both sides of the double-head connector, the central positioning platform is provided with a central positioning hole, a central positioning column is installed in the central positioning hole, the central positioning column is used to position the connecting hole of the double-head connector, and notches for routing are opened on both sides of the positioning plate.

[0008] Preferably, the upper surfaces of the side positioning platform and the central positioning platform are designed as a plane or an inclined surface. The side positioning column and the central positioning column are composed of a cylinder and a positioning polygon arranged at the bottom of the cylinder. The welding base, the side positioning platform and the central positioning platform are made of bakelite, and the side positioning column and the central positioning column are made of aluminum alloy.

[0009] The calibration tooling of the semi-rigid double-connected cable assembly is characterized in that it comprises a calibration base, side calibration tables installed on both sides of the calibration base and a central calibration table installed in the middle of the calibration base, wherein: the side calibration table is provided with a side calibration hole, a side calibration column is installed inside the side calibration hole, the side calibration column is used to calibrate the flange of the single-hole connector, the side calibration table is also provided with a side calibration recess, the side calibration recess is used to calibrate the connecting sleeve of the single-hole connector, side calibration plates are also provided on both sides of the side calibration table, the side calibration plates are used to locate the shell of the single-hole connector, and a notch for routing is provided on the side calibration plate; central calibration plates are provided on both sides of the central calibration table, the central calibration plate is used to calibrate the mounting seats on both sides of the double-head connector, the central calibration table is provided with a central calibration hole, a central calibration column is installed in the central calibration hole, the central calibration column is used to calibrate the connecting hole of the double-head connector, and a notch for routing is provided on both sides of the central calibration plate.

[0010] Preferably, the upper surfaces of the side check platform and the central check platform are designed as a plane or an inclined surface. The side check column and the central check column are composed of a cylinder and a positioning polygon arranged at the bottom of the cylinder. The check base, the side check platform and the central check platform are integrally formed by aluminum alloy.

[0011] The invented semi-rigid duplex cable assembly and its welding inspection tooling have the following beneficial effects:

[0012] The semi-rigid twin cable assembly of the present invention can bridge multiple signals, is suitable for signal transmission in narrow spaces, and can meet the technical requirements of waveguide slot antenna interconnection. At the same time, the use of new tooling solves the welding and positioning problems of the semi-rigid twin cable assembly, ensures the three-dimensional angle of the flange, and meets the high-precision assembly requirements. The inspection uses a calibration tool to perform dimensional calibration. The combined use can effectively improve the production efficiency of the workshop, ensure the dimensional accuracy and consistency of the finished cable assembly, and the qualified rate of the finished product reaches 100%. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the implementation mode will be briefly introduced below. Obviously, the drawings described below are only some implementation modes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 is a first structural schematic diagram of a semi-rigid duplex cable assembly of the present invention;

[0015] Figure 2 is a second structural schematic diagram of a semi-rigid duplex cable assembly of the present invention;

[0016] Figure 3 is a third structural schematic diagram of a semi-rigid duplex cable assembly of the present invention;

[0017] Figure 4 It is a schematic diagram of the first structure of the welding tooling of the semi-rigid duplex cable assembly of the present invention;

[0018] Figure 5 It is a second structural schematic diagram of the welding tooling of the semi-rigid duplex cable assembly of the present invention;

[0019] Figure 6 is a first structural schematic diagram of the positioning column of the present invention;

[0020] Figure 7 is a second structural schematic diagram of the positioning column of the present invention;

[0021] Figure 8 It is a schematic diagram of the structure of the calibration tooling of the semi-rigid duplex cable assembly of the present invention.

[0022] Among them, 1- double-head connector, 101- step, 102- mounting seat, 103- insulator, 104- inner conductor, 1011- connection hole, 1021- side hole, 1022- top hole, 2- single-hole connector, 201- connection seat, 202- flange, 2011- side hole, 2012- connection sleeve, 3- cable, 301- initial section, 302- bending section, 303- end section, 4- welding base, 5- side positioning platform, 501- side positioning Positioning hole, 502-side positioning column, 503-side positioning recessed platform, 6-central positioning platform, 601-positioning plate, 602-central positioning hole, 603-central positioning column, 7-calibration base, 8-side calibration platform, 801-side calibration hole, 802-side calibration column, 803-side calibration recessed platform, 804-side calibration plate, 9-central calibration platform, 901-central calibration plate, 902-central calibration hole, 903-central calibration column, 904-conductor calibration hole. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0024] The present invention will be described in detail below with reference to the accompanying drawings.

[0025] Embodiment 1

[0026] like Figures 1 to 3As shown, the semi-rigid duplex cable assembly includes a double-headed connector 1, a single-hole connector 2 arranged on both sides of the double-headed connector 1, and a cable 3 for connecting the double-headed connector 1 and the single-hole connector 2. In the figure, the double-headed connector 1 consists of a step 101 in the middle and mounting seats 102 on both sides. A connecting hole 1011 is provided in the middle of the step 101, a side hole 1021 for installing the cable 3 is provided on the side wall of the mounting seat 102, and a top hole 1022 for installing the insulator 103 is provided on the top wall of the mounting seat 102. An inner conductor 104 is coaxially installed inside the insulator 103, and the bottom of the inner conductor 104 is connected to the core of the cable 3; the single-hole connector 2 consists of a connecting seat 201 and a flange 202. A side hole 2011 for installing the cable 3 is provided on the side wall of the connecting seat 201, and a connecting sleeve 2012 is provided at the bottom of the connecting seat 201.

[0027] In this embodiment, the semi-rigid cable assembly can ensure the three-dimensional angle of the flange, the assembly X direction (45.1±0.05mm), the assembly Y direction (1.7±0.05mm and 8.8±0.05mm), and the assembly Z direction (0.8±0.05mm) during the assembly and welding process.

[0028] It should be noted that the cable 3 consists of an initial section 301, a curved section 302 and a terminal section 303. The initial section 301 and the terminal section 303 are arranged in parallel or at an angle. In the angle arrangement, the angle between the initial section 301 and the terminal section 303 is in the range of 5°-30°. The curved section 302 is used to connect the initial section 301 and the terminal section 303. The curved section 302 includes one or more of an S-shaped bend, a Z-shaped bend and a U-shaped bend.

[0029] Embodiment 2

[0030] like Figures 4 to 7 As shown, the welding tooling of the semi-rigid double-connected cable assembly includes a welding base 4, side positioning platforms 5 installed on both sides of the welding base 4 and a central positioning platform 6 installed in the middle of the welding base 4, wherein: a side positioning hole 501 is provided on the side positioning platform 5, a side positioning column 502 is installed inside the side positioning hole 501, the side positioning column 502 is used to position the flange 202 of the single-hole connector 2, and a side positioning recess 503 is also provided on the side positioning platform 5, and the side positioning recess 503 is used to position the connecting sleeve 2012 of the single-hole connector 2; positioning plates 601 are provided on both sides of the central positioning platform 6, the positioning plates 601 are used to position the mounting seats 102 on both sides of the double-headed connector 1, a central positioning hole 602 is provided on the central positioning platform 6, a central positioning column 603 is installed in the central positioning hole 602, the central positioning column 603 is used to position the connecting hole 1011 of the double-headed connector 1, and notches for routing are opened on both sides of the positioning plate 601.

[0031] In this embodiment, because the cable assembly has strict requirements on welding temperature and time, it is decided to adopt a design method of combined assembly of aluminum and bakelite. The welding positioning part is made of aluminum processing to ensure the size and a cylindrical positioning rectangular column is designed to prevent reinforcement. Bakelite is used for the base to prevent heat conduction during welding from affecting the welding effect. Tight fit crimping can not only achieve welding positioning and reduce metal heat conduction during welding, but also ensure the welding effect.

[0032] It should be noted that the upper surfaces of the side positioning platform 5 and the central positioning platform 6 are designed to be flat or inclined to meet different assembly angle requirements.

[0033] Embodiment 3

[0034] like Figure 8 As shown, the calibration tool of the semi-rigid double-connected cable assembly includes a calibration base 7, side calibration tables 8 installed on both sides of the calibration base 7, and a central calibration table 9 installed in the middle of the calibration base 7, wherein: a side calibration hole 801 is provided on the side calibration table 8, a side calibration column 802 is installed inside the side calibration hole 801, and the side calibration column 802 is used to calibrate the flange 202 of the single-hole connector 2, and a side calibration recess 803 is also provided on the side calibration table 8, and the side calibration recess 803 is used to calibrate the connection sleeve 2012 of the single-hole connector 2, and the side calibration table 8 is also provided on both sides. Side check plate 804, side check plate 804 is used to locate the shell of the single-hole connector 2, and a notch for wiring is provided on the side check plate 804; central check plates 901 are provided on both sides of the central check table 9, and the central check plate 901 is used to check the mounting seats 102 on both sides of the double-headed connector 1, a central check hole 902 is provided on the central check table 9, a central check column 903 is installed in the central check hole 902, and the central check column 903 is used to check the connecting hole 1011 of the double-headed connector 1, and notches for wiring are provided on both sides of the central check plate 901.

[0035] In this embodiment, the calibration tooling mainly ensures the structural dimensions of the cable assembly. After comprehensive analysis, the aluminum integrated machine design is selected. The tooling dimensions accurately meet the requirements of the technical documents, ensuring that the structural dimensions of the finished cable assembly meet the requirements of the technical documents. The calibration base 7, the side calibration table 8 and the central calibration table 9 are formed by aluminum alloy. The upper surfaces of the side calibration table 8 and the central calibration table 9 are designed as planes or inclined surfaces to meet the calibration requirements of different assembly angles.

[0036] The present invention adopts a new type of tooling to solve the welding and positioning problems of semi-rigid duplex cable assemblies, ensure the three-dimensional angle of the flange, and meet the high-precision assembly requirements. The inspection tooling is used for dimensional verification. The combined use can effectively improve the production efficiency of the workshop, ensure the dimensional accuracy and consistency of the finished cable assembly, and the qualified rate of the finished product reaches 100%.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A welding tool for a semi-rigid duplex cable assembly, characterized in that: The semi-rigid duplex cable assembly comprises a double-ended connector (1), single-ended connectors (2) arranged on both sides of the double-ended connector (1), and a cable (3) for connecting the double-ended connector (1) and the single-ended connector (2), wherein: The double-head connector (1) is composed of a step (101) in the middle and mounting seats (102) on both sides; a connection hole (1011) is provided in the middle of the step (101); a side hole (1021) for mounting a cable (3) is provided on the side wall of the mounting seat (102); a top hole (1022) for mounting an insulator (103) is provided on the top wall of the mounting seat (102); an inner conductor (104) is coaxially mounted inside the insulator (103); and the bottom of the inner conductor (104) is connected to the core of the cable (3); The single-hole connector (2) is composed of a connection seat (201) and a flange (202); a side hole (2011) for installing a cable (3) is provided on a side wall of the connection seat (201); and a connection sleeve (2012) is provided at the bottom of the connection seat (201); The cable (3) is composed of an initial section (301), a curved section (302) and an end section (303), wherein: The initial section (301) and the final section (303) are arranged in parallel or at an angle, and the angle between the initial section (301) and the final section (303) in the angle arrangement is in the range of 5°-30°; The curved section (302) is used to connect the initial section (301) and the final section (303), and the curved section (302) includes one or more of an S-shaped curve, a Z-shaped curve, and a U-shaped curve; The welding tool of the semi-rigid duplex cable assembly comprises a welding base (4), side positioning platforms (5) installed on both sides of the welding base (4), and a central positioning platform (6) installed in the middle of the welding base (4), wherein: The side positioning platform (5) is provided with a side positioning hole (501), a side positioning column (502) is installed inside the side positioning hole (501), and the side positioning column (502) is used to position the flange (202) of the single-hole connector (2). The side positioning platform (5) is also provided with a side positioning recess (503), and the side positioning recess (503) is used to position the connecting sleeve (2012) of the single-hole connector (2); Positioning plates (601) are arranged on both sides of the central positioning platform (6), and the positioning plates (601) are used to position the mounting seats (102) on both sides of the double-headed connector (1). A central positioning hole (602) is arranged on the central positioning platform (6), and a central positioning column (603) is installed in the central positioning hole (602). The central positioning column (603) is used to position the connecting hole (1011) of the double-headed connector (1). Notches for wiring are opened on both sides of the positioning plate (601).

2. The welding tool for the semi-rigid duplex cable assembly according to claim 1, characterized in that: The upper surfaces of the side positioning platform (5) and the central positioning platform (6) are designed to be flat or inclined.

3. The welding tool for the semi-rigid duplex cable assembly according to claim 1, characterized in that: The side positioning pillars (502) and the central positioning pillar (603) are composed of a cylinder and a positioning polygon arranged at the bottom of the cylinder.

4. The welding tool for the semi-rigid duplex cable assembly according to claim 1, characterized in that: The welding base (4), the side positioning platform (5) and the central positioning platform (6) are made of bakelite, and the side positioning column (502) and the central positioning column (603) are made of aluminum alloy.

5. A semi-rigid duplex cable assembly calibration tool, characterized in that: The semi-rigid duplex cable assembly comprises a double-ended connector (1), single-ended connectors (2) arranged on both sides of the double-ended connector (1), and a cable (3) for connecting the double-ended connector (1) and the single-ended connector (2), wherein: The double-head connector (1) is composed of a step (101) in the middle and mounting seats (102) on both sides; a connection hole (1011) is provided in the middle of the step (101); a side hole (1021) for mounting a cable (3) is provided on the side wall of the mounting seat (102); a top hole (1022) for mounting an insulator (103) is provided on the top wall of the mounting seat (102); an inner conductor (104) is coaxially mounted inside the insulator (103); and the bottom of the inner conductor (104) is connected to the core of the cable (3); The single-hole connector (2) is composed of a connection seat (201) and a flange (202); a side hole (2011) for installing a cable (3) is provided on a side wall of the connection seat (201); and a connection sleeve (2012) is provided at the bottom of the connection seat (201); The cable (3) is composed of an initial section (301), a curved section (302) and an end section (303), wherein: The initial section (301) and the final section (303) are arranged in parallel or at an angle, and the angle between the initial section (301) and the final section (303) in the angle arrangement is in the range of 5°-30°; The curved section (302) is used to connect the initial section (301) and the final section (303), and the curved section (302) includes one or more of an S-shaped curve, a Z-shaped curve, and a U-shaped curve; The calibration tool of the semi-rigid duplex cable assembly comprises a calibration base (7), side calibration tables (8) installed on both sides of the calibration base (7), and a central calibration table (9) installed in the middle of the calibration base (7), wherein: The side check platform (8) is provided with a side check hole (801), a side check column (802) is installed inside the side check hole (801), and the side check column (802) is used to check the flange (202) of the single-hole connector (2). The side check platform (8) is also provided with a side check recess (803), and the side check recess (803) is used to check the connection sleeve (2012) of the single-hole connector (2). Side check plates (804) are also provided on both sides of the side check platform (8), and the side check plates (804) are used to locate the housing of the single-hole connector (2). A notch for wiring is provided on the side check plate (804); Central check plates (901) are arranged on both sides of the central check platform (9), and the central check plates (901) are used to check the mounting seats (102) on both sides of the double-headed connector (1). A central check hole (902) is arranged on the central check platform (9), and a central check column (903) is installed in the central check hole (902). The central check column (903) is used to check the connection hole (1011) of the double-headed connector (1). Notches for wiring are provided on both sides of the central check plate (901).

6. The semi-rigid duplex cable assembly calibration tool according to claim 5, characterized in that: The upper surfaces of the side inspection platform (8) and the central inspection platform (9) are designed to be flat or inclined.

7. The semi-rigid duplex cable assembly calibration tool according to claim 5, characterized in that: The side verification column (802) and the central verification column (903) are composed of a cylinder and a positioning polygon arranged at the bottom of the cylinder.

8. The semi-rigid duplex cable assembly calibration tool according to claim 5, characterized in that: The calibration base (7), the side calibration platform (8) and the central calibration platform (9) are integrally formed by processing with aluminum alloy.

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