CN109273958B - Tool for manufacturing nuclear-grade coaxial cable connector - Google Patents

Abstract

A tool for making nuclear-grade coaxial cable joints includes a tool platform assembly and a centering tool body. The tool platform assembly includes a support panel and an adjustable leg arranged at the bottom of the support panel for adjusting the level of the support panel. The centering tool body is set on the support panel. The centering tool body includes a top plate and a support frame for supporting the top plate. The top plate is provided with centering holes for fixing cables and their cores. Below the top plate and on the support panel are provided for supporting Pin support tool for pins. There are jacks on the top of the pin support tool. The pins are inserted into the jacks to maintain stability. After the cable insulation passes through the centering holes, it is aligned with the pins on the pin support tool. Welded to fix. The invention can effectively ensure the insertion depth and centering of the wire core and the pin, improve the fixing efficiency of the pin and the cable, ensure good quality and shorten the construction period.

Description

A tool for making nuclear grade coaxial cable joints

technical field

The invention relates to the field of manufacturing nuclear-level coaxial cable joints, in particular to a tool for manufacturing nuclear-level coaxial cable joints.

Background technique

Nuclear power plants involve the measurement of many tiny nuclear-level signals, such as RPN neutron flux measurement signals. Therefore, such signals are weak, and nuclear-grade coaxial cables are required for measurement signal transmission. The manufacturing process of nuclear-grade coaxial cable joints is complex, and very small defects in the manufacturing process can lead to inaccurate measurements. In the production process of nuclear-grade coaxial cable joints, the most difficult part is the welding of joints. Connector welding involves the alignment of the wire core and the pin, and misalignment or abnormal insertion depth of the wire core will directly affect the usability of the connector.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a tool for the manufacture of nuclear-grade coaxial cable joints, to solve the technical problems that the prior art does not have centering tools and the joint fabrication is difficult; The problem.

The technical scheme adopted by the present invention to solve its technical problems is:

A tool for making a nuclear-grade coaxial cable joint, the cable includes a cable insulation layer and a wire core built into the insulation layer, characterized in that it includes a tool platform assembly and a centering tool body, and the tool platform assembly includes A support panel and an adjustable leg set at the bottom of the support panel for adjusting the level of the support panel, the centering tool body is arranged on the support panel, and the centering tool body includes a top plate and a support frame for supporting the top plate, the The top plate is provided with a centering hole for fixing the cable and its wire core, a pin support tool for supporting the pin is provided under the top plate and on the support panel, and the top surface of the pin support tool is provided with a jack, The pins are inserted into the jacks to maintain stability, and the cables are centered on the pins on the pin support tool after passing through the centering holes, and then the wire cores of the insulating layer and the pins are welded and fixed.

Further preferably, the support frame includes at least three support rods vertically arranged at the bottom of the top plate.

Further, there are three support rods, and side baffles are arranged between adjacent support rods, and the side baffles are located on the same horizontal line.

Further, the support frame is a rectangular support frame, and the number of the support rods is four, among which three support rods are provided with side baffles adjacent to each other, and the space of the adjacent support rods without side baffles is a pin support. Import and export of tools.

Further, each of the side baffles is provided with a screw, the screw and the side baffle are vertically fixed, the top of each screw is against the pin support tool, and the screw is tightened forward or backward. Adjust the alignment between the jack of the pin support tool and the centering hole of the top plate, and then adjust the alignment of the cable and the pin.

Further, the top plate is a steel plate with a thickness of 5-6 mm, and the centering hole is a threaded hole opened inside the top plate.

Further, the top plate is a steel plate with a thickness of 1-2 mm, the centering hole is a threaded hole in a nut fixed on the top plate, the nut is threadedly connected to the top plate, and the nut is adjusted by tightening up or down. Its relative distance from the pin support tool.

Further, the support panel is a rectangular steel plate with a thickness of 5-6 mm, the four adjustable legs are respectively arranged at the four corners of the rectangular steel plate, and the adjustable legs are M14×130mm screws. Adjust the level of the support panel by screwing it up or down.

In addition, the support frame and the support panel are welded and fixed.

More preferably, the pin support tool includes a base and a vertical pole, and the socket is provided on the top surface of the vertical pole

The following beneficial effects can be achieved by implementing the present invention:

The tool platform assembly in the present invention provides stable horizontal support for the centering tool. The centering tool body is placed on the tool platform assembly, and the pins pass through the centering holes of the centering tool body and then abut against the pins provided on the support panel. On the support tool, the vertical fixation of the pin is ensured, and the horizontal stability of the pin is also ensured. At the same time, the insertion depth of the wire core in the pin hole can be adjusted through the centering hole. The operator provides a good field of vision to manually check whether the pin support tool is aligned with the centering hole, to ensure the verticality of the vertical fixation of the pin, improve the fixing efficiency of the pin and the cable core, ensure good quality, and shorten the construction period.

Description of drawings

Fig. 1 is a kind of structural schematic diagram of a tool for the manufacture of nuclear-grade coaxial cable joints according to the present invention;

2 is a schematic structural diagram of a tool platform assembly involved in the present invention;

3 is a schematic structural diagram of Embodiment 1 of the centering tool body involved in the present invention;

4 is a schematic structural diagram of Embodiment 2 of the centering tool body involved in the present invention;

5 is a schematic structural diagram of a pin support tool involved in the present invention;

Fig. 6 is the top view of Fig. 5;

FIG. 7 is a schematic structural diagram of the positional relationship between the nut and the top plate according to the present invention.

Description of the reference numerals for the specific embodiments:

1-Support panel; 2-Adjustable legs; 3-Top plate; 4-Support frame; 41-Support rod; 42-Side baffle; 43-Inlet and outlet; ; 8-round hole; 9-jack; 10-pin support tool; 101-base; 102-vertical pole.

Detailed ways

In order to have a clearer understanding of the technical features, objects and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

A tool for making nuclear grade coaxial cable joints, the cable includes a cable insulation layer and a wire core built into the insulation layer, as shown in Figure 1, including a tool platform assembly and a centering tool body, the tool platform assembly includes a support panel 1 and the adjustable legs 2 located at the bottom of the support panel 1 for adjusting the level of the support panel 1, the centering tool body is located on the support panel 1, and the centering tool body includes a top plate 3 and a support frame for supporting the top plate 3 4. The support frame 4 and the support panel 1 are welded and fixed, the top plate 3 is provided with a centering hole 5 for fixing the fixed cable and its core, and the bottom of the top plate 3 and the support panel 1 are provided with a pin support for supporting pins Tool 10, the top surface of the pin support tool 10 is provided with a socket 9, the pin is inserted into the socket 9 to maintain stability, and the pin passes through the centering hole 5 (at this time, the centering hole 5 is a nut that is threadedly fixed with the top surface 3 The hole) is screwed up or down to adjust the insertion depth of the pin and the wire core in the center of the insulating layer.

In specific implementation, the support frame 4 in FIG. 1 is a rectangular support frame, there are four support rods 41 , and side baffles 42 are provided on adjacent support rods 41 , and the side baffles 42 are located on the same horizontal line. The side baffle 42 is provided with a screw 6, the screw 6 is vertically fixed with the side baffle 42, the top of each screw 6 is against the pin support tool 10, and the screw 6 is tightened forward or backward to adjust the pin support The centering degree of the jack 9 of the tool 10 and the centering hole 5 of the top plate 3, and then adjust the centering degree of the pin and the wire core in the center of the insulating layer. The pin and pin support tool 10 are not shown in FIG. 1. The structure of the needle support tool 10 includes a base 101 and a vertical pole 102 as shown in FIG. 5 . As shown in FIG. 6 , the insertion hole 9 is provided on the top surface of the vertical pole 102 , and the vertical pole 102 can be designed into a cylindrical shape as required. Or square, the base 101 is a square or round base, preferably a square base, the four bolts 6 are respectively against the four sides of the square base, and the screw 6 is tightened forward or backward to adjust the insertion of the pin support tool 10. The hole 9 is aligned with the centering hole 5 of the top plate 3 .

As one of the preferred solutions of the present invention, as shown in FIG. 4 , the support frame 4 is a rectangular support frame, wherein a side baffle 42 is provided between the three support rods 1 adjacent to each other, and the adjacent support rods without the side baffle 42 are provided The space 41 is the inlet and outlet 43 of the pin support tool 10. The baffle plate 42 can be designed with bolts as required. When there is no bolt, the pin support tool 10 and the centering hole 5 can be manually aligned. The center hole 5 is directly opened in the top plate 3. At this time, the center hole 5 cannot be adjusted. It can be adjusted by adjusting the height of the pin support tool 10. The relative distance between the pin and the center core of the insulating layer can be adjusted, for example, in the pin support tool. 10. A backing plate is placed at the bottom, the horizontal length of the rectangular support frame is 48.3mm, and the vertical length is 34.5mm. The spacing between adjacent support rods 41 is adapted.

As one of the preferred solutions of the present invention, the number of support rods 41 can be three or four, and side baffles 42 are provided between adjacent support rods 41, and the side baffles 42 are located on the same horizontal line. FIG. 3 shows that the support rods 41 are In the example of four, the centering hole 5 in FIG. 3 is directly opened inside the top plate 3 .

As one of the preferred solutions of the present invention, the top plate 3 is a steel plate with a thickness of 5-6 mm, the centering hole 5 is opened inside the top plate 3, and the size of the centering hole 5 is an M14 threaded hole. The centering hole 5 in FIG. Example inside top plate 2.

As one of the preferred solutions of the present invention, the top plate 3 is a steel plate with a thickness of 1-2 mm, the centering hole 5 is a threaded hole fixed on the top plate 3 and the threaded hole in the nut 7 is a centering hole 5, and the nut 7 is fixed on the top surface of the top plate 3 , the top plate 3 is provided with a round hole 8, and the nut 7 is connected with the round hole 8 in a threaded connection. The nut 7 is screwed up or down to adjust the relative distance between the pin and the wire core in the center of the insulating layer, that is, the insertion degree of the wire core, Figure 7 It is an example in which the nut 7 is fixed on the bottom surface of the top plate 3. The nut 7 involved in the present invention is not a traditional hexagonal nut, and the periphery of the nut 7 is still circular. The diameter is adapted to the cable diameter.

As one of the preferred solutions of the present invention, as shown in FIG. 2 , the support panel 1 is a rectangular steel plate with a thickness of 5-6 mm, preferably a square steel plate with a side length of 200 mm, and the four adjustable legs 2 are respectively arranged on the side of the rectangular steel plate. The four corners, the adjustable legs 2 are M14×130mm screws, and the level of the support panel 1 can be adjusted by tightening the screws up or down.

The specific use method of the present invention is as follows: place the pin support tool 10 in the support frame 4, adjust the pin support tool 10 to center the centering hole 5, put the pin into the pin support tool 10, and then Use an electric soldering iron to heat the pins to about 500°C, then fill the pins with tin, and then insert the core of the prepared cable (including the insulating layer and the core built into the insulating layer) into the centering hole and insert it. For connection, take out the cable after 1 minute and observe whether the pin is soldered in the middle of the cable.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the scope of protection of the present invention and the claims, many forms can be made, which all belong to the protection of the present invention.

Claims (7)

1. a tool for the manufacture of nuclear-grade coaxial cable joints, the cable comprises a cable insulation layer and a wire core built into the insulation layer, characterized in that: comprising a tool platform assembly and a centering tool body, the tool platform The assembly comprises a support panel (1) and an adjustable leg (2) arranged at the bottom of the support panel (1) for adjusting the levelness of the support panel (1), and the centering tool body is arranged on the support panel (1), The centering tool body includes a top plate (3) and a supporting frame (4) for supporting the top plate (3), the top plate (3) is provided with centering holes (5) for fixing cables and their cores, the A pin support tool (10) for supporting pins is provided under the top plate (3) and on the support panel (1), and a jack (9) is provided on the top surface of the pin support tool (10). Inserted into the jack (9) to maintain stability, the cable passes through the centering hole (5) and is aligned with the pin on the pin support tool (10), and then the wire core of the insulating layer and the pin are welded and fixed; The support frame (4) comprises at least three support rods (41) vertically arranged at the bottom of the top plate (3); The support frame (4) is a rectangular support frame, and the number of the support rods (41) is four, wherein the three support rods (41) are provided with side baffles (42) adjacent to each other, and no side baffles (42) are provided. The space between the adjacent support rods (41) of ) is the inlet and outlet (43) of the pin support tool (10); Each side baffle (42) is provided with a screw (6), the screw (6) is vertically fixed to the side baffle (42), and the top of each screw (6) abuts against the pin support tool (10). ), the screw (6) is tightened forward or backward to adjust the centering degree of the insertion hole (9) of the pin support tool (10) and the centering hole (5) of the top plate (3), and then adjust The alignment of the cable to the pins. 2. A tool for manufacturing a nuclear-grade coaxial cable joint according to claim 1, wherein the number of the support rods (41) is three, and there are provided between the adjacent support rods (41). Side baffles (42), the side baffles (42) are located on the same horizontal line. 3. A tool for manufacturing a nuclear-grade coaxial cable joint according to claim 1, wherein the top plate (3) is a steel plate with a thickness of 5-6 mm, and the centering hole (5) is Threaded holes inside the top plate (3). 4. A tool for manufacturing a nuclear-grade coaxial cable joint according to claim 1, characterized in that: the top plate (3) is a steel plate with a thickness of 1-2 mm, and the centering hole (5) is for fixing A threaded hole in a nut (7) on the top plate (3), the nut (7) is threadedly connected to the top plate (3), the nut (7) is adjusted to the pin support tool by tightening up or down (10) relative distance. 5. A tool for manufacturing a nuclear-grade coaxial cable joint according to claim 1, characterized in that: the support panel (1) is a rectangular steel plate with a thickness of 5-6 mm, and the four adjustable legs (2) They are respectively arranged at the four corners of the rectangular steel plate, the adjustable legs (2) are M14×130mm screws, and the screws are screwed up or down to adjust the level of the support panel (1). 6 . The tool for manufacturing nuclear-grade coaxial cable joints according to claim 1 , wherein the support frame ( 4 ) is fixed to the support panel ( 1 ) by welding. 7 . 7. A tool for manufacturing a nuclear-grade coaxial cable joint according to any one of claims 1 to 6, wherein the pin support tool (10) comprises a base (101) and a vertical pole (102), the jack (9) is arranged on the top surface of the vertical pole (102).

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