Ship brake sail set with inner pocket structure

Abstract

The utility model relates to the technical field of ship braking, in particular to an improved design of a sail group structure for ship braking. The utility model provides a ship brake sail group structure which is characterized in that at least one inner pocket is additionally arranged at the lower part of the inner side of canvas, and water flow is held by the inner pocket to enhance resistance; the inner pocket is of a bag-shaped structure formed by sinking downwards, an opening of the inner pocket faces upwards, and the bottom of the inner pocket is sewn and fixed with the canvas; holes are formed in the side bottom of the canvas; after sewing and fixing, the length of the inner pocket is 10-20% of the height of the canvas, and the width of the inner pocket is consistent with the width of the lower end of the canvas. The resistance of the sail group can be improved, and the folding difficulty of the sail group is not increased.

Description

Technical Field

[0001] This utility model relates to the field of marine braking technology, and in particular to an improved design of a sail assembly structure for marine braking. Background Technology

[0002] Existing ship braking devices (such as invention patent CN202210781257.X) achieve drag braking through a combination of canvas and counterweights. However, when the sail is deployed at a large angle, the canvas is easily deformed by the impact of the water flow, resulting in a decrease in drag-increasing effect. Therefore, it is necessary to optimize the canvas structure to improve stability and drag-increasing capacity at large angles. Summary of the Invention

[0003] The technical problem to be solved by this utility model is: to solve the problem of insufficient drag-increasing capacity of canvas caused by water flow impact deformation when the canvas is unfolded at a large angle.

[0004] The technical solution provided by this utility model is:

[0005] A ship brake sail assembly (1) with an inner pocket structure includes a canvas (2), a counterweight (3), and a towing rope (5);

[0006] An inner pocket structure is added to the lower inner side of the canvas to increase resistance by trapping water flow.

[0007] The inner pocket is a bag-shaped structure formed by a downward indentation, with its opening facing upward and its bottom sewn to the canvas for fixation.

[0008] The canvas has holes at the bottom side;

[0009] After being sewn and fixed, the length of the inner pocket is 10%-20% of the height of the canvas, and the width is the same as the width of the lower end of the canvas.

[0010] The beneficial effects of this utility model are:

[0011] 1. Enhanced drag resistance: When the inner wick is deployed at a large angle, it can trap more water flow, forming local eddies and significantly increasing drag.

[0012] 2. Easy to retract the sails: The holes at the bottom side of the canvas allow water to flow out of the inner pocket when the sails are retracted, reducing the difficulty of retracting the sails. Attached image description:

[0013] Figure 1 Schematic diagram of the overall structure of the sail assembly (front view);

[0014] Figure 2 Side view of the canvas inner pocket structure;

[0015] Figure 3 Enlarged view of the inner canvas pocket structure:

[0016] 1-Sail assembly, 2-Canvas, 3-Counterweight, 4-Structure through which the tow rope passes, 5-Tow rope, 6-Inner pocket, 7-Connecting strap, 8-Hole Detailed Implementation

[0017] 1. Inner pocket making:

[0018] If the canvas of the canvas assembly is rectangular: cut a rectangular inner pocket fabric, the length of which is 25% of the height of the canvas, and the width of which is 10% wider than the canvas; sew the bottom edge of the inner pocket fabric to the bottom end of the canvas and sew the left and right sides of the inner pocket fabric to the left and right sides of the canvas to form a rectangular inner pocket.

[0019] If the canvas of the canvas assembly is trapezoidal: cut a trapezoidal inner pocket fabric, the length of which is 25% of the height of the canvas, and the width of the left and right sides of the inner pocket fabric is 10% wider than the canvas; sew the bottom edge of the inner pocket fabric to the bottom end of the canvas and sew the left and right sides of the inner pocket fabric to the left and right sides of the canvas to form a trapezoidal inner pocket.

[0020] Inner pocket shape:

[0021] The inner pocket shape can be made into rectangular, trapezoidal or other variations.

[0022] 3. Installation method:

[0023] The inner pocket is integrated with the inside of the canvas, and the opening faces upward when unfolded.

Claims

1. A ship brake sail assembly (1) with an inner pocket structure, comprising a canvas (2), a counterweight (3), and a traction rope (5), characterized in that: The canvas (2) has at least one inner pocket (6) on the lower inner side. The inner pocket (6) is a bag-shaped structure that is concave downwards, with the opening facing upwards and the bottom sewn to the canvas (2). The canvas (2) has at least one hole (8) on the lower inner side.

2. The ship brake sail assembly (1) with an inner pocket structure according to claim 1, characterized in that: The length of the inner pocket (6) is 10%-20% of the height of the canvas (2), and the width is the same as the width of the lower end of the canvas (2); The inner pocket (6) is arranged laterally along the canvas (2).

Images