JP2000287352A - Buffer parts for submarine repeaters - Google Patents

Abstract

(57) [Summary] [Problem] The work efficiency of assembling the submarine repeater is poor, and the fiber and power supply line wired from the repeater main body are easily damaged or disconnected, and the quality of the completed submarine repeater is low. There was a problem that was bad. SOLUTION: A detent pin 32 fits into a long hole 33, thereby enabling an axial movement of a receiving seat 28 with respect to a pedestal 29, preventing rotation around the axis, and further receiving a receiving seat 28.
And the pedestal 29 are integrally connected with a disc spring 30 interposed therebetween.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock absorber for a submarine repeater for holding and damping a repeater body incorporated in a pressure-resistant housing in an axial direction and preventing rotation around an axis.

[0002]

2. Description of the Related Art FIG. 8 is a longitudinal sectional view showing the structure of a conventional buffer component for a submarine repeater disclosed in Japanese Patent Publication No. 1-59809. FIG. 8 is a longitudinal sectional view of a conventional submarine repeater provided with a buffer component for a submarine repeater, taken along line D1-D1 in FIG. FIG. 9 is a sectional view taken along line A1-A1 in FIG. FIG. 10 is an enlarged view of a portion B1 in FIG. FIG. 11 is a plan view seen from the direction E1 in FIG. FIG. 12 is an enlarged view of a portion C1 in FIG. FIG. 13 is a plan view seen from the F1 direction in FIG. In the figure, 1 is a submarine repeater, 2 is a cylindrical pressure-resistant casing, 3 is a column-shaped repeater main body incorporated in the pressure-resistant casing 2, 4 is an external relay cable connected to the pressure-resistant casing 2, Reference numeral 5 denotes an internal relay cable for connecting the relay main unit 3 and the external relay cable 4, and reference numeral 6 denotes a relay main unit 2 incorporated between the outer peripheral surface of the relay main unit 3 and the inner peripheral surface of the pressure-resistant housing 2. A buffer spring 7 for holding and buffering in the radial direction is provided at an end of the repeater body 3. A buffer for a submarine repeater for holding and buffering the repeater body 3 in the axial direction and preventing rotation around the axis. Parts.

FIG. 8 shows a case in which buffer parts 7 for submarine repeaters having the same structure are provided on the left and right sides of the repeater main body 3. In the cushioning component 7 for a submarine repeater, reference numeral 8 denotes a ring-shaped seat including a flange portion 8a and a cylindrical portion 8b abutting on an end face of the relay device main body 3, and 9 denotes a ring-shaped pedestal opposed to the receiver 8 in the axial direction. Reference numeral 10 denotes a ring-shaped disc spring held between the receiving seat 8 and the pedestal 9, and 11 denotes an inner peripheral surface of the pedestal 9.
Notches formed at 0 ° intervals, 12 are detent pins provided on the pedestal 9 at 180 ° intervals so as to protrude from the inner peripheral surface of the pedestal 9, and 13 are detent pins 1 on the cylindrical portion 8 b of the receiving seat 8.
The notch formed corresponding to 2 is a flange 8 of the seat 8.
These are detent pins provided at intervals of 180 ° so as to protrude from the collar portion 8a.

Reference numeral 15 denotes a retaining ring fitted in a groove formed in the inner peripheral surface of the pressure-resistant housing 2, and 16 denotes a screw hole formed in the notch 11 and threaded into a screw hole penetrating to the outer peripheral surface of the pedestal 9. The detent screws 17 are holes formed on the end face of the repeater main body 3 so as to correspond to the detent pins 14.

The retaining ring 15 abuts on the outer surface of the pedestal 9 to prevent its axial movement. The anti-rotation screw 16 prevents rotation of the pedestal 9 around the axis with respect to the pressure-resistant housing 2 by tightening the screw and abutting its tip against the inner peripheral surface of the pressure-resistant housing 2. The notch 13 is sufficiently long in the axial direction, but has a width dimension such that there is almost no play with respect to the detent pin 12.
It is shaped like a letter. The detent pin 12 is fitted in the notch 13 to allow the receiving seat 8 to move in the axial direction with respect to the pedestal 9 and prevent rotation around the axis. Detent pin 1
By projecting into the hole 17, the rotation of the repeater body 3 with respect to the receiving seat 8 around the axis more than necessary for the operation is prevented.

Next, the shock absorber 7 for the submarine repeater is connected to the pressure-resistant housing 2.
A method for attaching to the device will be described. FIG. 14 is an explanatory view of a conventional method of mounting a buffer component for a submarine repeater. When attaching the submarine repeater buffer component 7 to the pressure-resistant housing 2, first, the repeater main body 3 is pushed into the pressure-resistant housing 2 while compressing the buffer spring 6. After that, the seat 8 is assembled into the pressure-resistant housing 2 so that the detent pin 14 provided on the seat 8 projects into the hole 17 formed in the repeater body 3. Thereafter, the disc spring 10 is incorporated into the pressure-resistant housing 2 and further,
The pedestal 9 is assembled into the pressure-resistant housing 2 so that the rotation preventing pin 12 provided on the pedestal 9 is fitted into the notch 13 formed in the receiving seat 8. Thereafter, the retaining ring 15 is fitted into the groove formed in the pressure-resistant housing 2 while compressing the disc spring 10, and further,
The pedestal 9 is fixed with the detent screw 16.

[0007]

Since the conventional shock absorber for a submarine repeater is constructed as described above, the receiving seat 8, the disc spring 10 and the pedestal 9 are assembled into the pressure-resistant housing 2 in order from the lateral direction. As a result, the submarine repeater buffer component 7 must be attached to the pressure-resistant housing 2. Therefore, the submarine repeater 1
There was a problem that the work efficiency of the assembly was poor. In addition, the receiving seat 8, the disc spring 10, and the pedestal 9 are separated and their positions are unstable, and the fiber and the power supply line routed from the repeater body 3 are easily damaged or disconnected, and the completed submarine repeater is completed. There was a problem that the quality of 1 was poor.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and provides a buffer part for a submarine repeater which can improve the work efficiency of assembling the submarine repeater and the quality of a completed submarine repeater. The purpose is to:

[0009]

A submarine repeater assembly according to the present invention has a receiving seat and a pedestal which are integrally connected by a movement-permitted rotation preventing means with a disc spring interposed therebetween. It is.

The submarine repeater assembly according to the present invention comprises:
The movement-permitted rotation preventing means includes a long hole formed in the receiving seat in parallel with the axial direction, and a detent pin protruding from the inner peripheral surface of the pedestal and provided on the pedestal so as to fit into the long hole. It is.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below. Embodiment 1 FIG. FIG. 1 is a longitudinal sectional view showing a configuration of a buffer component for a submarine repeater according to Embodiment 1 of the present invention. FIG.
FIG. 1 is a vertical sectional view taken along line DD in FIG. 2 of a submarine repeater provided with a submarine repeater buffer component according to Embodiment 1 of the present invention. FIG. 2 is a sectional view taken along the line AA in FIG. FIG. 3 is an enlarged view of a portion B in FIG. FIG. 4 is a plan view seen from the direction E in FIG. FIG. 5 is FIG.
It is an enlarged view of C part in a middle. FIG. 6 is a plan view seen from the F direction in FIG. In the figure, 21 is a submarine repeater, 2
2 is a cylindrical pressure-resistant housing, 23 is a column-shaped repeater main body incorporated in the pressure-resistant housing 22, 24 is an external relay cable connected to the pressure-resistant housing 22, and 25 is an external relay connected to the repeater main body 23. 26, an internal relay cable for connecting to the cable 24;
Is a buffer spring incorporated between the outer peripheral surface of the repeater main body 23 and the inner peripheral surface of the pressure-resistant casing 22 for holding and cushioning the repeater main body 23 in the radial direction. It is a buffer part for a submarine repeater provided in the section for holding and buffering the repeater body 23 in the axial direction and preventing rotation around the axis.

FIG. 1 shows a case in which buffer parts 27 for submarine repeaters having the same structure are provided on the left and right sides of the repeater main body 23. In the submarine repeater buffer component 27, reference numeral 28 denotes a ring-shaped seat including a flange 28a and a cylindrical portion 28b that abut on the end face of the relay body 23, and 29 denotes a ring-shaped pedestal that faces the seat 28 in the axial direction. , 30 are seats 28
A ring-shaped disc spring held between the base and the pedestal 29, 31
Are notches formed at 120 ° intervals on the inner peripheral surface of the pedestal 29,
Reference numeral 32 denotes a detent pin (movable permissible rotation preventing means) provided at 180 ° intervals on the pedestal 29 so as to protrude from the inner peripheral surface of the pedestal 29, and 33 corresponds to the detent pin 32 on the cylindrical portion 28 b of the receiving seat 28. And an elongated hole (movable permitting rotation preventing means) formed in parallel with the axial direction,
Non-rotating pins provided at 180 ° intervals so as to protrude from the collar portion 28a. 35 is a pressure-resistant housing 22
A retaining ring fitted into a groove formed in the inner peripheral surface of the base member, 36 is a detent screw screwed into a screw hole formed in the notch 31 and penetrating to the outer peripheral surface of the pedestal 29, 37 is a repeater main body 23 Are formed in the end surfaces of the holes corresponding to the detent pins 34.

The retaining ring 35 contacts the outer surface of the pedestal 29 to prevent its movement in the axial direction. The detent screw 36 prevents the rotation of the pedestal 29 around the axis with respect to the pressure-resistant housing 22 by tightening the screw and abutting its tip against the inner peripheral surface of the pressure-resistant housing 22. The long hole 33 is long enough in the axial direction,
The width dimension is such that there is little play with respect to the detent pin 32. The detent pin 32 is fitted in the elongated hole 33, thereby enabling the receiving seat 28 to move in the axial direction with respect to the pedestal 29, preventing rotation around the axis, and
The seat 28 and the pedestal 29 are integrally connected with a disc spring 30 interposed therebetween. The rotation preventing pin 34 protrudes into the hole 37 to prevent the rotation of the repeater main body 23 about the axis with respect to the receiving seat 28 more than necessary for the operation.

Next, a method of attaching the submarine repeater buffer component 27 to the pressure-resistant housing 22 will be described. FIG. 7 is an explanatory diagram of a method of mounting the buffer component for a submarine repeater according to Embodiment 1 of the present invention. When attaching the submarine repeater buffer component 27 to the pressure-resistant housing 22, first, the repeater main body 23 is pushed into the pressure-resistant housing 22 while compressing the buffer spring 26. Thereafter, the receiving seat 28 and the pedestal 29 are integrally connected with the disc spring 30 interposed therebetween. That is, the disc spring 30 is arranged on the flange 28 a of the seat 28, and the locking pin 32 provided on the pedestal 29 is fitted into the elongated hole 33 formed on the seat 28. And pedestal 2
9 are integrally connected. Then, in advance, the disc spring 3
The seat 28 and the pedestal 29 integrally connected with each other with the
The rotation preventing pin 34 provided on the receiving seat 28 is
3 so as to protrude into a hole 37 formed in the pressure-resistant housing 2.
Assemble within 2. Thereafter, the retaining ring 35 is fitted into a groove formed in the pressure-resistant housing 22 while compressing the disc spring 30,
Further, the pedestal 29 is fixed with the rotation preventing screw 36.

As described above, according to the first embodiment, the detent pin 32 provided on the pedestal 29 is
By fitting into the long hole 33 formed in the
And the pedestal 29 are integrally connected to each other with the disc spring 30 interposed therebetween.
By incorporating the seat 28 and the pedestal 29 integrally connected to each other with the zero in the pressure-resistant casing 22, the buffer part 27 for a submarine repeater is attached to the pressure-resistant casing 22, and the seat 28,
The work of assembling the disc spring 30 and the pedestal 29 into the pressure-resistant housing 22 can be completed in one operation. For this reason,
The effect of improving the work efficiency of assembling the submarine repeater 21 is obtained. Further, the seat 28, the disc spring 30, and the pedestal 29
Are integrally connected, the positions of the receiving seat 28, the disc spring 30, and the pedestal 29 are stabilized, and the fiber and the power supply line wired from the repeater main body 23 are less likely to be damaged or disconnected, and the completed structure is completed. The effect of improving the quality of the submarine repeater 21 is obtained.

In the above-described embodiment, the elongated hole 33 is used.
Although the case where two sets of the detent pins 32 are provided has been described, these numbers are arbitrary.

[0017]

As described above, according to the present invention, a cushioning part for a submarine repeater is constructed such that a receiving seat and a pedestal are integrally connected by a movement-permitted rotation preventing means with a disc spring interposed therebetween. Has the effect of improving the work efficiency of assembling the submarine repeater and the quality of the completed submarine repeater.

According to the present invention, the movement permitting rotation preventing means is provided on the pedestal so as to protrude from the inner peripheral surface of the pedestal and fit into the elongate hole. Since the submarine repeater cushioning component is configured to include the provided detent pin, there is an effect that the receiving seat and the pedestal can be easily and integrally connected with a disc spring interposed therebetween.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a configuration of a buffer component for a submarine repeater according to Embodiment 1 of the present invention.

FIG. 2 is a sectional view taken along the line AA in FIG.

FIG. 3 is an enlarged view of a portion B in FIG.

FIG. 4 is a plan view seen from a direction E in FIG. 3;

FIG. 5 is an enlarged view of a portion C in FIG.

FIG. 6 is a plan view as viewed from a direction F in FIG. 5;

FIG. 7 is an explanatory diagram of a method of mounting a buffer component for a submarine repeater according to Embodiment 1 of the present invention.

FIG. 8 is a longitudinal sectional view showing a configuration of a conventional buffer component for a submarine repeater.

FIG. 9 is a sectional view taken along line A1-A1 in FIG.

FIG. 10 is an enlarged view of a portion B1 in FIG.

FIG. 11 is a plan view seen from a direction E1 in FIG. 10;

FIG. 12 is an enlarged view of a portion C1 in FIG.

FIG. 13 is a plan view seen from the F1 direction in FIG.

FIG. 14 is an explanatory view of a conventional method of mounting a buffer component for a submarine repeater.

[Explanation of symbols]

22 pressure-resistant housing, 23 repeater main body, 27 buffer parts for submarine repeater, 28 seat, 29 pedestal, 30 disc spring,
32 Non-rotating pin (movable permissible rotation preventing means), 33
Slots (movement permissible rotation preventing means).

Claims (2)

[Claims] 1. A submarine repeater cushioning component provided at an end of a repeater main body incorporated in a pressure-resistant housing, comprising: a ring-shaped seat abutting on an end surface of the repeater main body; , A ring-shaped disc spring held between the pedestal and the pedestal, and an axial movement of the pedestal with respect to the pedestal is permitted but rotation about the axis is prevented. Submarine relay, wherein the seat and the pedestal are integrally connected by the movement-permitted rotation preventing means with the disc spring interposed therebetween. Dexterous buffer parts. 2. The movement-permitted rotation preventing means is provided on the pedestal so as to protrude from an inner peripheral surface of the pedestal and fit into the elongate hole formed in the seat in parallel with the axial direction. The cushioning component for a submarine repeater according to claim 1, further comprising a detent pin.