JPH11223671A - Holder of sea bottom investigating sonar - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate looseness between base end side and tip side boom sections of a telescopic boom in a holder of a sea bottom investigating sonar by installing a roller means to press/energize the specific surface of the tip side boom section on the base end side boom section. SOLUTION: A pair of rollers 12 are installed on a base end side boom section 4a in telescopic boom 4. The rollers 12 are positioned between a tip side slide shoe 6 and a base end side slide shoe 7 to respectively press/energize adjacent two surfaces among four surfaces of a tip side boom section 4b. The respective rollers 12 are installed so as to be positioned between the tip side slide shoe 6 and the base end side slide shoe 7 even when the tip side boom section 4b extends to the maximum extent to the base end side boom section 4a. The respective rollers 12 are composed of rollers to be rollingly connected to the corresponding outer peripheral surface of the tip side boom section 4b, a shaft and a spring to support the rollers.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for holding a sonar for seabed exploration for supporting and holding a sonar for seabed exploration mounted on a ship.

[0002]

2. Description of the Related Art A sonar holding device for a sonar for seabed exploration is mounted on a marine observation ship or the like. As shown in FIGS. 3 and 4, a holding device for a sonar for seabed exploration includes a base 2 mounted on a deck of a ship 1, a swivel 3 mounted on the base 2 so as to be capable of horizontal swiveling, and a swivel. The telescopic boom 4 is attached to the telescopic boom 4 so as to be able to drive up and down, and the sonar mounting member 5 is attached to the tip of the telescopic boom 4 so as to be swingably driven.

[0003] The telescopic boom 4 has a distal boom section 4b having a hollow rectangular cross-section inserted and retractably inserted into a proximal boom section 4a having a hollow rectangular cross-section, and a distal end of the proximal boom section 4a. Attach distal slide shoes 6,... Which are respectively in sliding contact with four outer surfaces of the distal boom section 4b which is inserted into the proximal boom section 4a so as to be extendable and retractable. Proximal boom section 4a
, Which are respectively attached to the four inner surfaces of the base member, are respectively attached to the base end slide shoes 7,.

In FIG. 3, reference numeral 8 denotes a motor for driving the swivel 3 to rotate, 9 denotes a cylinder for raising and lowering the boom 4 and 1
Numeral 0 denotes a telescopic cylinder of the telescopic boom 4, and 11 denotes a swing cylinder of the sonar mounting member 5. The sonar holding device for a sonar for seabed exploration constructed in this way, with the sonar A for seabed exploration attached to the lower end of the sonar mounting member 5, the turntable 3
And the telescopic boom 4 is driven up and down and telescopically driven, and the telescopic post 5 is rocked to use the transmitting / receiving unit A1 of the sonar A for seabed exploration underwater. The submarine exploration sonar A performs exploration (depth exploration) based on a difference between a point in time at which a sound wave emitted from the transmission / reception unit A1 toward the sea bottom is emitted and a point in time when a reflected wave of the sound wave returns.

[0005]

By the way, this kind of holding apparatus for a sonar for seabed exploration, when the rattling between the proximal boom section 4a and the distal boom section 4b of the telescopic boom 4 occurs. Since it is not possible to stabilize the emission direction of the sound wave emitted from the transmitting / receiving unit A1 of the sonar A for seafloor exploration due to the influence of waves, it is required to eliminate rattling between the sound waves. In response to this requirement, conventionally, the distal side slide shoes 6,... And the proximal side slide shoes 7,..., Through the telescopic region of the distal side boom section 4b with respect to the proximal side boom section 4a, Base end boom section 4
a of the outer circumferential surface of the distal boom section 4b and the proximal boom section 4
In addition to increasing the accuracy of the four inner surfaces of a (particularly, the parallelism along the expansion and contraction directions of the two opposing surfaces), the mounting accuracy of the distal slide shoes 6,... and the proximal slide shoes 7,. ing.

[0006] However, there is a natural limit in eliminating the backlash due to the improvement in accuracy, and there is a problem that the cost becomes high. The present invention is intended to eliminate rattling between a proximal end boom section 4a and a distal end boom section 4b of a telescopic boom 4 in a sonar holding sonar holding device by adding a pair of rollers. It is.

[0007]

According to the present invention, a sonar holding apparatus for seabed exploration according to the present invention includes a distal end slide shoe 6 and a proximal end boom section 4a of a telescopic boom 4.
And the base end side slide shoes 7, and are provided with roller means for pressing and urging two adjacent surfaces of the four surfaces of the distal boom section 4b.

[0008] With this configuration, the two outer surfaces of the distal boom section 4b at the positions corresponding to the distal end boom section 4a are constantly pressed against the corresponding distal slide shoes 6,6. Two of the base end slide shoes 7,... Provided at the base end of the side boom section 4b are constantly pressed against two inner surfaces of the base end boom section 4a. It is possible to eliminate backlash between the front end boom section 4b and the end boom section 4b. The pressing urging force of the roller means is adjusted so as to prevent the roller from retreating due to the force acting on the distal end of the telescopic boom due to the waves.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A holding apparatus for a sonar for seabed exploration according to the present invention will be described below with reference to FIG. The holding device of the present invention is characterized in that rollers 12 and 12 to be described later are added to the telescopic boom 4 as compared with the above-described conventional holding device. Therefore, in the following description, only the description of this portion will be given. For the description of the part, the description of the above-mentioned conventional holding apparatus for a sonar for sonar will be referred to.

In FIG. 1 and FIG.
A pair of rollers attached to the proximal boom section 4a of the telescopic boom 4;
Numeral 2 is located between the distal-side slide shoes 6,... And the proximal-side slide shoes 7,.

Each of the roller means 12 is located between the distal slide shoes 6,... And the proximal slide shoes 7, whatever the distal boom section 4b with respect to the proximal boom section 4a expands or contracts. It is installed in a position where it does. Specifically, even when the distal-side boom section 4b extends to the maximum with respect to the proximal-side boom section 4a, the position is located between the distal-side slide shoes 6,... And the proximal-side slide shoes 7,. Attached to. Each of the roller means 12 includes a roller 12a rotatably brought into contact with a corresponding outer peripheral surface (one of the four outer peripheral surfaces) of the distal boom section 4a, a shaft 12b rotatably supporting the roller 12a, and a shaft 12b. 12 for urging both end portions of the outer peripheral surface toward the corresponding outer peripheral surface (one of the four outer peripheral surfaces) of the corresponding front end boom section 4a.
c.

[0012]

According to the holding apparatus for a sonar for seabed exploration of the present invention constructed as described above, in the telescopic boom 4, the base boom section 4a of the distal boom section 4b.
The two outer surfaces at the position corresponding to the distal end are constantly pressed against the corresponding distal slide shoes 6, 6 and two of the proximal slide shoes 7, provided at the proximal end of the distal boom section 4b. Is the proximal boom section 4a
Is always pressed against the inner two surfaces, so that it is possible to eliminate rattling between the proximal end boom section 4a and the distal end boom section 4b. Therefore, when the seabed exploration sonar is attached to perform the seafloor exploration, the emission direction of the sound wave for exploration from the transmitting / receiving unit A1 of the seafloor exploration sonar A can be stabilized, and the seafloor exploration can be performed with high accuracy.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a holding device for a sonar for seabed exploration of the present invention.

FIG. 2 is a sectional view taken along a line XX in FIG. 1;

FIG. 3 is an explanatory view of a conventional apparatus for holding a sonar for seabed exploration.

FIG. 4 is a sectional view taken along a line YY in FIG. 3;

[Explanation of symbols]

1; hull, 2; base, 3; swivel, 4; telescopic boom, 4
a; proximal end boom section, 4b; distal end boom section, 5; sonar mounting member, 6, 6, 6, 6; distal end slide shoe, 7, 7, 7, 7; proximal end slide shoe, 8; Rotating drive motor, 9; undulating cylinder, 1
0: Telescopic cylinder, 11: Swing cylinder, 12, 1
2; roller means, 12a; roller, 12b; shaft, 12
c; spring

Claims (1)

[Claims] 1. A base 2 mounted on a deck of a marine vessel 1, a swivel 3 mounted on the base 2 so as to be capable of horizontal swing drive, a telescopic boom 4 mounted on the swivel 3 so as to be able to move up and down, and A sonar support member 5 attached to the end of the telescopic boom 4 so as to be swingably driven, and the sonar A for seabed exploration is attached to the sonar support member 5,
The swivel 3 is driven to rotate, the telescopic boom 4 is raised and lowered, and the sonar attachment member 5 is driven to swing, so that the transmitting / receiving unit A1 of the sonar A for seabed exploration can be positioned underwater. The telescopic boom 4 comprises a telescopic boom 4 having a distal end boom section 4b having a hollow rectangular cross-section inserted and retractably inserted into a proximal boom section 4a having a hollow rectangular cross-section. At the distal end of the side boom section 4a, distal end slide shoes 6, which are respectively slidably in contact with four outer surfaces of the distal side boom section 4b which is inserted into the base end boom section 4a so as to be extendable and retractable, are attached. The base end slide shoes 7, which are in sliding contact with the base end of the section 4b, respectively, on the four inner surfaces of the base end boom section 4a.
Are attached to the base end boom section 4a, and are located between the front end slide shoes 6,... And the base end slide shoes 7,. Roller means 12, 12 for pressing and urging two adjacent surfaces, respectively
A sonar holding device for seabed exploration, characterized in that a sonar is mounted.