JP2003116215A - Device and method for polishing optical submarine relay pressure casing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device and a method for polishing an optical submarine relay pressure casing, which is compact and portable and can suppress the variation of the condition of a polished surface. SOLUTION: This device is equipped with a rotary board 30, a second rolling element 43 which is arranged on the rotary board 30 via a second shifting and fixing means comprising a pair of a second toggle clamp 45 and a stopper 46 moving in the direction substantially vertical to the peripheral face of a welding lip part and fixing it, a first rolling element 42 which is arranged on the rotary board 30 such that it abuts on the inside periphery of the welding lip part 32, a third rolling element 41 which is arranged on the rotary board 30 such that it abuts on the end face of the welding lip part 32, a first motor 33 where a first brush 34 being arranged on the rotary board 30 via a first shifting and fixing means 40 moving in the direction substantially vertical to the periphery of the welding lip part 32 and fixing it is coupled, and a second motor which is arranged on the rotary board 30 such that a second brush 38 abuts on the inside periphery of the welding lip part 32.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polishing apparatus and a polishing method for polishing a welded portion before welding a cylinder of a pressure casing and a cylindrical portion of an end face plate constituting an optical submarine repeater. Is.

[0002]

2. Description of the Related Art FIG. 5 is a sectional view showing the structure of a general optical submarine repeater, which is described in, for example, Japanese Patent Laid-Open No. 8-205375.

In FIGS. 5A and 5B, 1 is a pressure housing, 2 is a coupler, 3 is an optical fiber, 4 is a repeater circuit,
Reference numeral 5 denotes a heat dissipation / buffer structure. In the pressure housing 1, the end plates 12 are fitted to both ends of the cylinder 11, and the entire circumference of the fitting part is welded to form a hermetically sealed structure. The repeater circuit 4 is accommodated via. Reference numeral 13 denotes a feedthrough which hermetically penetrates the end plate 12, 14 denotes a fiber guide structure inserted in the feedthrough 13, and 1
Reference numeral 5 denotes a tail cable that connects the coupler 2 portion and the feedthrough 13, and the tail cable 15 is a water pressure resistant pipe that also serves as a power supply line and accommodates a plurality of optical fibers.

FIG. 6 is a structural diagram showing a completed assembly state before the end face plate 12 of the optical submarine repeater is fitted into the cylinder 11. In the assembly, as shown in the figure, the feedthrough 13 and the tail cable 15 are airtightly introduced into the end face plate 12,
The optical fiber of the fiber guide structure 14 is inserted into the tail cable 15, the fiber guide structure 14 is further inserted into the feed-through 13, the tail cable 15 is curled, and then the tail tip 21 attached to the end of the tail cable 15 is inserted. Is attached to the fiber take-up storage reel 22, the extra length fiber 23 output from the tail cable 15 is wound into the fiber take-up storage reel 22, and the fiber take-up storage reel 22 is fixed to the end face plate 12 by the post 6.

Further, as shown in FIG. 5, the optical fiber 3 extending from the fiber guide structure 14 to the inside of the end face plate 12 is connected to the repeater circuit 4, and the tail cable 1 is connected.
The feeder line 5 (waterproof pipe) and the repeater circuit 4 are electrically connected.

After that, in order to prevent seawater from entering the inside of the pressure housing 1 and to prevent moisture in the relay circuit 4, the fitting portion between the end plate 12 and the cylinder 11 is welded and hermetically sealed. Prior to welding, in order to remove the oxide film or oil film around the welded portion and improve the reliability of the airtightness of the welded portion, a pre-welding step of polishing the vicinity of the welded portion to a constant finish state is required.

FIG. 7 shows a cylinder (a) and an end plate (b).
It is sectional drawing which shows the fitting part vicinity. In the figure, 31 is a welding lip of the cylinder 11, 31a is an outer peripheral polishing portion of the welding lip 31, 31b is an inner peripheral polishing portion of the welding lip 31, 3
Reference numeral 2 is a welding lip of the end face plate, 32a is an outer peripheral polishing portion of the welding lip 32, and 32b is an inner peripheral polishing portion of the welding lip 32.

[0008]

Conventionally, in the pre-welding process, an operator manually polishes the outer and inner polished parts of the welding lip using a nonwoven fabric.

Since the finish of the state of the polished surface depends on the visual sense of the worker and the finish by the manual work, there is a large variation in the state of the polished surface, and the reliability of the hermeticity in the welding process is not stable. there were.

Further, there is a problem that the burden on the operator is large and that the polishing dust is scattered to have an adverse effect on the human body or pollute the surrounding environment.

Therefore, a method of mechanically polishing with a polishing device is conceivable. However, since the cylinder and the end plate constituting the pressure housing are large and heavy, it takes a lot of time and labor to convey them to the polishing device. . In particular, there has been a problem that, in the case of repair or the like, the optical submarine repeater pulled up on the ship has to be transported to the factory where the polishing device is further installed, and after the repair is completed, to the installation site again.

The present invention has been made to solve the above problems and is compact and portable.
Further, the present invention provides a polishing apparatus and a polishing method for an optical submarine repeater pressure housing that suppresses variations in the state of the polishing surface.

Further, it is intended to prevent the scattering of polishing dust and to prevent the human body from being adversely affected or the surrounding environment from being polluted.

[0014]

An optical submarine repeater pressure casing polishing apparatus according to the present invention is an optical submarine repeater for polishing the inner circumference, outer periphery and end face of an end face plate of a pressure casing or a cylindrical portion of a cylinder. A polishing device for a pressure housing, comprising: a rotary substrate; and a movable part disposed on the rotary substrate, the movable part moving toward a peripheral surface of the cylindrical portion and in a direction opposite thereto. A first movement fixing means and a second movement fixing means capable of fixing the motor, a movable portion of the first movement fixing means, a brush connected to the output tip shaft, and a motor for rotating the brush; A second rolling element, which is coupled to the movable portion of the second moving and fixing means, is movable on the peripheral surface of the cylindrical portion and can roll by abutting, and is disposed on the rotary substrate and moved to the peripheral surface. A first rolling element that holds the cylindrical portion and rolls together with the second rolling element Is obtained by a third rolling elements that roll in contact with the fine end face.

Further, unlike the electric motor connected to the movable portion of the first moving and fixing means, another electric motor having a brush connected to the output tip shaft is arranged on the rotary substrate.

Further, another electric motor has a movable portion which moves in the direction toward the peripheral surface of the cylindrical portion and the opposite direction, and through a third movement fixing means which can fix the movable portion,
It is arranged on a rotating substrate.

Further, the brush is formed by stacking disc-shaped non-woven fabrics having a constant thickness in a columnar shape.

Further, the rotating substrate is provided with a dust collecting nozzle for sucking polishing dust in the vicinity of the brush during polishing.

A polishing method for an optical submarine repeater pressure casing according to the present invention is a polishing device for an optical submarine repeater pressure casing for polishing the inner circumference, outer periphery and end face of an end face plate of a pressure casing or a cylindrical portion of a cylinder. A first rolling element, a second rolling element and a third rolling element capable of rolling on the peripheral surface and the end surface of the cylindrical portion, and a brush connected to the output tip shaft to rotate the brush. An electric motor is disposed on a rotating substrate, the cylindrical portion is sandwiched between the first, second and third rolling elements, and the brush is brought into contact with the peripheral surface of the cylindrical portion to drive the electric motor. The rotary substrate is rotated along the circumferential surface of the cylindrical portion while being driven to polish the circumferential surface and the end surface of the cylindrical portion with the brush.

Further, an electric motor for polishing the inner peripheral surface of the cylindrical portion and an electric motor for polishing the outer peripheral surface of the cylindrical portion are arranged on the rotating substrate.

Further, the brush is formed by stacking disc-shaped non-woven fabrics having a constant thickness to form a columnar shape.

Further, the rotating substrate is provided with a dust collecting nozzle for sucking polishing dust in the vicinity of the brush during polishing.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. Embodiment 1. 1 is a plan view showing a first embodiment of an optical submarine repeater pressure housing polishing apparatus according to the present invention, and FIG.
4 is a sectional view showing the main part thereof. In the figure,
12 is an end plate, 30 is a rotating substrate, 32 is a welding lip,
Reference numeral 33 is a first electric motor for polishing the outer periphery of the welding lip portion 32, and the first electric motor 33 can adjust the rotation speed. Reference numeral 34 is a first brush attached to the tip of the output shaft of the first electric motor 33 and rotated by the first electric motor 33.

Reference numeral 35 is a first sliding block (movable part), 3
Reference numeral 6 is a first toggle clamp, 39 is a first stopper, and a first moving and fixing means 40 composed of a set of the first toggle clamp 36 and the first stopper 39 is provided on the rotary substrate 30. Of the sliding block 35 is connected to the first moving and fixing means 40, the first electric motor 33 is connected to the first sliding block 35, and the first electric motor 33 is connected via the first sliding block 35. The first moving and fixing means 40 is configured to be moved and fixed in a direction substantially perpendicular to the outer peripheral surface of the welding lip 32.

Reference numeral 37 is a second electric motor for polishing the inner circumference of the welding lip 32, and the number of rotations can be adjusted. Reference numeral 38 denotes a second brush attached to the tip of the output shaft of the second electric motor 37 and rotated by the electric motor 37. The second brush 38 contacts the inner circumference of the welding lip 32 so that the second brush 38
The electric motor 37 of FIG.

The first brush 34 and the second brush 38
For example, various things can be used, such as those formed by stacking non-woven fabrics in a columnar shape, and those formed by solidifying thin metal wires, but those formed by stacking non-woven fabrics in a columnar shape can be used. Familiarity with the entire polished surface is good and preferable.

Reference numeral 41 is a third rolling element for axial positioning, and 42 is a first rolling element for radial positioning, both of which roll like a roller and the like and the welding lip 32.
It can rotate in contact with the peripheral surface and end surface of
The third rolling element 41 is disposed on the rotary substrate 30 so as to abut the tip of the welding lip 32, and the first rolling element 42 is disposed on the rotary substrate 30 so as to abut the inner circumference of the welding lip 32. Has been done.

Reference numeral 43 denotes a second rolling element for performing radial positioning, 44 denotes a second sliding block (movable portion), 44a.
Is a slide guide for guiding the second slide block 44, 4
Reference numeral 5 is a second toggle clamp, 46 is a second stopper, and the second moving / fixing means 50 composed of a set of the second toggle clamp 45 and the second stopper 46 is disposed on the rotary substrate 30. The second sliding block 44 is connected to the second moving and fixing means 50, the second rolling element 43 is connected to the second sliding block 44, and the second rolling element 43 is connected to the second sliding block 44. The second moving and fixing means 50 is configured to move and be fixed in a direction substantially perpendicular to the outer peripheral surface of the welding lip 32 via the.

47 and 48 are dust collecting pipes for sucking polishing dust, 51 and 52 are dust collecting nozzles connected to the dust collecting pipes 47 and 48, 49 is a time when the polishing device is set on the end face plate 12, and A handle used when rotating the rotating substrate 30.

In the polishing process with the above configuration, the first
Driving the toggle clamp 36 and the second toggle clamp 45 of the first electric motor 33 so that the first brush 34 and the second rolling element 43 of the first electric motor 33 are retracted from the outer peripheral surface of the welding lip 32 through the movable part. The first rolling element 42 is brought into contact with the inner peripheral surface of the welding lip 32, the third rolling element 41 is brought into contact with the tip of the welding lip 32, and the second toggle clamp 45 is attached. The second rolling element 43 is driven to move in the direction of the outer peripheral surface of the welding lip 32 via the movable portion,
Rolling element 42, third rolling element 41, and second rolling element 43
By sandwiching the welding lip 32 with the rotating substrate 3
Place 0 on welding lip 32. The first rolling element 42, the third rolling element 41 and the second rolling element 43 are the welding lip 32.
Since it is possible to roll and rotate on the peripheral surface of, the rotating substrate 30 can be rotated along the peripheral surface of the welding lip 32.

When the rotating substrate 30 is installed on the welding lip 32, the second brush 38 is in contact with the inner peripheral surface of the welding lip 32, and the first toggle clamp 3
By driving 6 the first brush 34 can be brought into contact with the outer peripheral surface of the welding lip 32 via the movable part.

According to the present embodiment, the rotating substrate 30 is installed on the welding lip 32, and the first brush 34 and the second brush 38 are brought into contact with the welding lip 32 so that the first and second brushes are brought into contact with each other. Electric power is supplied to the electric motors 33 and 37, and while the first brush 34 and the second brush 38 perform polishing, a rotary driving force is applied to the rotary substrate 30 to rotate the rotary substrate 30 at a constant speed.
By rotating, the entire surfaces of the inner and outer peripheral surfaces and the end surfaces of the welding lip 32 can be uniformly polished.

Further, the first brush 34 and the second brush 3
8 is provided, the outer peripheral surface, the inner peripheral surface, and the end surface of the welding lip 32 can be polished at the same time, so that the working efficiency is improved.

Further, the tips of the dust collecting nozzles 51, 52 connected to the dust collecting pipes 47, 48 have the first brush 34 and the second brush 34, respectively.
Since it is arranged close to the brush 38, it is possible to suck the polishing dust with the dust collector and prevent the adverse effect on the human body and the contamination of the surrounding environment.

After the polishing work is completed with one work (cylinder or end face plate), the first toggle clamp 3
6 and the second toggle clamp 45 can be driven to avoid the first brush 34 and the second rolling element 43 from the peripheral surface of the welding lip 32, and can be removed from the work. The removed polishing device can be transported to another work and installed, and the polishing operation can be performed in the same manner as above.

Further, in particular, when the optical submarine repeater is repaired, the welding lip 32 can be polished on board without transporting the optical submarine repeater to a repair shop.

In the present embodiment, the first brush 34 is moved and fixed in a direction substantially perpendicular to the peripheral surface of the welding lip 32, but the second brush 38 is also a toggle clamp. The third moving and fixing means, which is a combination with a stopper, moves in a direction substantially perpendicular to the peripheral surface of the welding lip 32 via the movable portion and fixes the welding lip 32, thereby facilitating application to various types of polishing. become.

Embodiment 2. In the first embodiment, the first brush 34 and the second brush 38 are provided to polish the outer peripheral surface and the inner peripheral surface of the welding lip 32 at the same time.
A more compact polishing device can be obtained by using only the brush 34.

First rolling element 4 in the second embodiment
2, the method of installing the polishing device on the welding lip 32 by the third rolling element 41 and the second rolling element 43 is the same as that in the first embodiment, but when polishing the inner circumference of the welding lip 32, After the rotating substrate 30 is installed on the welding lip 32 in a state where the first brush 34 is retracted to the inner peripheral side of the welding lip 32, the first moving and fixing means 40 is driven to move the first moving and fixing means 40 through the movable portion.
The brush 34 is brought into contact with the inner circumference of the welding lip 32.

When the outer circumference of the welding lip 32 is polished, the rotating substrate 30 is installed on the welding lip 32 with the first brush 34 retracted to the outer circumference of the welding lip 32, and then the first moving and fixing operation is performed. The means 40 is driven to bring the first brush 34 into contact with the outer circumference of the welding lip 32.

Embodiment 3. Embodiments 1 and 2 above
In the above, the case of the end face plate 12 has been described, but the polishing of the cylinder of the pressure housing or other cylindrical shape parts is also performed.
It can be applied in exactly the same way.

[0042]

According to the polishing apparatus for an optical submarine repeater pressure housing according to the present invention, an optical submarine repeater pressure housing for polishing the inner circumference, outer circumference and end surface of the end face plate of the pressure housing or the cylindrical portion of the cylinder. A device for polishing a body, comprising: a rotating substrate; and a movable part disposed on the rotating substrate, the movable part moving toward the peripheral surface of the cylindrical portion and in the opposite direction, and fixing the movable part. A first movable fixing means and a second movable fixing means that can be connected, a movable portion of the first movable fixing means, a brush connected to an output tip shaft, and an electric motor that rotates the brush; A second rolling element which is coupled to the movable part of the moving and fixing means, and which can move on the peripheral surface of the cylindrical portion and abut and roll, and the second rolling element which is disposed on the rotary substrate and moves to the peripheral surface. A first rolling element and an end surface which roll together with a second rolling element by sandwiching a cylindrical portion Since contact with those with a third rolling elements that roll, without conveying the work, and it is possible to polish the polishing surface state uniform.

Further, unlike the electric motor connected to the movable portion of the first moving / fixing means, another electric motor having a brush connected to the output tip shaft is arranged on the rotary substrate. The inner peripheral surface and the outer peripheral surface of the cylindrical portion can be polished at the same time, and the working time is shortened.

Further, another electric motor has a movable portion which moves in the direction toward the peripheral surface of the cylindrical portion and in the opposite direction, and through the third movement fixing means which can fix the movable portion,
Since it is arranged on the rotating substrate, it can be easily applied to polishing various models.

Further, since the brush is formed by stacking disc-shaped non-woven fabrics having a constant thickness in a columnar shape, the brush is well compatible with the polished surface and a uniform polished surface state can be obtained.

Further, since the rotary substrate is provided with the dust collecting nozzle for sucking the polishing dust in the vicinity of the brush during polishing, it is possible to prevent the polishing dust from adversely affecting the human body and contaminating the surrounding environment. it can.

A polishing method for an optical submarine repeater pressure housing according to the present invention is a polishing apparatus for an optical submarine repeater pressure housing for polishing the inner circumference, outer circumference and end surface of an end face plate of a pressure housing or a cylindrical portion of a cylinder. A first rolling element, a second rolling element and a third rolling element capable of rolling on the peripheral surface and the end surface of the cylindrical portion, and a brush connected to the output tip shaft to rotate the brush. An electric motor is disposed on a rotating substrate, the cylindrical portion is sandwiched between the first, second and third rolling elements, and the brush is brought into contact with the peripheral surface of the cylindrical portion to drive the electric motor. Since the rotating substrate is rotated along the peripheral surface of the cylindrical portion while being driven to polish the peripheral surface and the end surface of the cylindrical portion with the brush, the work surface is not conveyed and the polished surface is It is possible to suppress and polish the variation of the state.

Further, since the electric motor for polishing the inner peripheral surface of the cylindrical portion and the electric motor for polishing the outer peripheral surface of the cylindrical portion are arranged on the rotating substrate, the inner peripheral surface and the outer peripheral surface can be simultaneously polished. , The working time can be shortened.

Further, since the brush is formed by stacking disc-shaped non-woven fabrics having a constant thickness into a columnar shape, the brush is well compatible with the polished surface and a uniform polished surface state can be obtained.

Since the rotary substrate is provided with the dust collecting nozzle for sucking the polishing dust in the vicinity of the brush during polishing, it is possible to prevent the polishing dust from adversely affecting the human body and contaminating the surrounding environment. it can.

[Brief description of drawings]

FIG. 1 is a plan view showing a first embodiment of a polishing device for an optical submarine repeater pressure housing according to the present invention.

FIG. 2 is a cross-sectional view showing a disposition state of a first electric motor according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view showing a disposition state of a second electric motor according to the first embodiment of the present invention.

FIG. 4 is a sectional view showing a state of arrangement of first, second and third rolling elements in the first embodiment according to the present invention.

FIG. 5 is a sectional view showing a general configuration of a submarine repeater.

FIG. 6 is a structural diagram showing an assembled state before a welding process.

FIG. 7 is a cross-sectional view showing a polished portion during welding.

[Explanation of symbols]

12 end face plate, 30 rotating substrate, 32 welding lip part,
33 first electric motor, 34 first brush, 35 first
Sliding block (movable part), 36 first toggle clamp, 37 second electric motor, 38 second brush, 39
1st stopper, 40 1st movement fixing means, 41 3rd rolling element, 42 1st rolling element, 43 2nd rolling element, 44 2nd sliding block (movable part), 44a Sliding guide , 45 Second toggle clamp, 46 Second stopper, 47, 48 Dust collection pipe, 49 Handle, 50
Second moving and fixing means, 51, 52 Dust collecting nozzle.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B24B 29/00 B24B 29/00 C 55/06 55/06 B24D 13/12 B24D 13/12 H02G 1/06 501 H02G 1/06 501G // B23K 31/00 B23K 31/00 P F term (reference) 3B202 AA34 BA01 BA03 BC01 BD01 BE09 EA07 EB17 GA03 3C047 FF09 HH12 JJ15 3C058 AA06 BA15 A03 CA15 A03 CA06 CB03 A15 CA03 CB03B15A03 CA15 CB03A15A03 5G375 AA18 BA27 BB74 CA02 CA19 CC02 EA08 EA17

Claims (9)

[Claims] 1. A polishing device for an optical submarine repeater pressure casing, which polishes an inner circumference, an outer periphery and an end face of an end face plate of a pressure casing or a cylindrical portion of a cylinder, the rotating substrate being disposed on the rotating substrate. First moving and fixing means and second moving and fixing means having movable parts that move toward the peripheral surface of the cylindrical portion and in the opposite direction, and can fix the movable parts; 1 is connected to the movable part of the moving and fixing means, a brush is connected to the output tip shaft, is connected to an electric motor for rotating the brush, and is connected to the moving part of the second moving and fixing means, and is a peripheral surface of the cylindrical portion. A second rolling element that can move upward and come into contact and roll; and the second rolling element that is disposed on the rotating substrate and moves to the peripheral surface.
Polishing of a pressure casing for an optical submarine repeater, comprising: a first rolling element that rolls by sandwiching a cylindrical portion together with the rolling element and a third rolling element that abuts on an end face and rolls. apparatus. 2. Unlike the electric motor coupled to the movable portion of the first moving and fixing means, another electric motor having a brush coupled to the output tip shaft is arranged on the rotary substrate. The polishing apparatus for an optical submarine repeater pressure housing according to claim 1. 3. Another electric motor has a movable portion that moves in a direction toward the peripheral surface of the cylindrical portion and in a direction opposite to the peripheral surface, and through a third movement fixing means that can fix the movable portion, The polishing device for an optical submarine repeater pressure casing according to claim 2, wherein the polishing device is disposed on a rotating substrate. 4. The brush is formed by stacking disc-shaped non-woven fabrics having a constant thickness to form a columnar shape.
Alternatively, the polishing device for an optical submarine repeater pressure housing according to 2. 5. The polishing apparatus for a pressure casing of an optical submarine repeater according to claim 1, wherein a dust collecting nozzle for sucking polishing dust in the vicinity of the brush during polishing is arranged on the rotating substrate. 6. A method of polishing an optical submarine repeater pressure housing, comprising polishing an inner surface, an outer surface and an end surface of an end face plate of a pressure housing or a cylindrical portion of a cylinder, wherein the peripheral surface and the end surface of the cylindrical portion are polished. The first rolling element, the second rolling element, and the third rolling element that can roll, and the brush that is coupled to the output tip shaft and the electric motor that rotates the brush are disposed on the rotating substrate. The cylindrical portion is sandwiched between the second and third rolling elements, the brush is brought into contact with the peripheral surface of the cylindrical portion, the electric motor is driven, and the peripheral surface of the cylindrical portion is driven by the brush. A method of polishing an optical submarine repeater pressure casing, comprising rotating the rotating substrate along the peripheral surface of the cylindrical portion while polishing the end face. 7. The optical submarine repeater pressure housing according to claim 6, wherein an electric motor for polishing the inner peripheral surface of the cylindrical portion and an electric motor for polishing the outer peripheral surface of the cylindrical portion are provided on the rotating substrate. How to polish. 8. The brush is formed by stacking disc-shaped non-woven fabrics having a constant thickness to form a columnar shape.
A method for polishing an optical submarine repeater pressure housing described. 9. The method of polishing a pressure casing of an optical submarine repeater according to claim 6, wherein a dust collecting nozzle for sucking polishing dust in the vicinity of the brush during polishing is disposed on the rotating substrate.