CN221024047U - Truss type sail lifting device - Google Patents

Abstract

A truss type sail lifting device is characterized in that a slewing mechanism is fixed on a deck, an air cylinder and a truss type mast are fixed on the slewing mechanism, the air cylinder is located at the inner center of the truss type mast, and a cylinder body of the air cylinder is fixed with the slewing mechanism. A pulley block is symmetrically fixed on one edge of the top of the square truss type mast, the pulley block is formed by arranging two first fixed pulleys side by side, a second fixed pulley is fixed below the middle of the pulley block and on the top of a piston rod of a cylinder, two ends of a steel wire rope penetrate upwards from the bottom of the second fixed pulley, and the steel wire rope is connected with a frame in the center of a sail surface downwards by bypassing the pulley block. The frame is square frame, is located sail face top center, and the frame cover is outside the truss mast, with truss mast sliding connection. According to the invention, the truss type mast fixed on the ship is used for replacing the hydraulic lifting mast, so that the risk of oil leakage of the hydraulic rod piece is avoided, and the sail cost is reduced.

Description

Truss type sail lifting device

Technical Field

The invention belongs to the field of ship construction and design, and particularly relates to a truss type sail lifting device.

Background

With the issuance and implementation of new regulations for low carbon and emission reduction worldwide, the global shipping industry and shipbuilding industry are evolving toward greenization. The utilization of wind energy is one of energy-saving technologies proposed in the field of energy conservation and emission reduction of ships in recent years. In recent years, ocean-going vessels have therefore gradually begun to move toward wind energy navigation. Although wind energy power can not completely replace ship fuel, the carbon dioxide emission of the ship can be reduced, and the fuel consumption is saved.

The principle of wind power boosting is to realize boosting by utilizing the rising resistance generated when air flows through the wind power boosting device. At present, an airfoil type sail, a rotary drum sail and the like mainly belong to large-scale equipment, are placed on a ship deck, and bring great challenges to the stability of the ship. At present, most of the sail devices adopt hydraulic masts, sails are driven to lift through the rising and falling of hydraulic rods, the thick hydraulic masts are high in manufacturing cost and easy to cause oil leakage, and high cost, potential safety hazard and high cost are brought to ship construction. This patent just forms a truss-like sail elevating gear in order to reduce the cost of sail.

Disclosure of Invention

In order to solve the problems, the invention provides a truss type sail lifting device, which aims to achieve the purposes of avoiding oil leakage, safety and reliability, and adopts the following technical scheme:

The utility model provides a truss-like sail elevating gear, rotation mechanism is fixed on the deck, be fixed with cylinder and truss-like mast on the rotation mechanism, truss-like mast is square, the cylinder is located inside the truss-like mast, the cylinder body of cylinder with rotation mechanism is fixed.

The square truss type mast is characterized in that a pulley block is symmetrically fixed on the top of the truss type mast, the pulley block is formed by arranging two first fixed pulleys side by side, a second fixed pulley is fixed on the top of a piston rod of the cylinder below the middle of the pulley block, two ends of a steel wire rope penetrate upwards from the bottom of the second fixed pulley, and the steel wire rope bypasses the pulley block to be connected with a frame in the center of a sail surface downwards.

The frame is square frame, is located the sail face top center, the frame cover is in the truss-like mast is outside, with truss-like mast sliding connection, square four corners department of frame is provided with four slider groups, the slider group with the frame of truss-like mast contacts, follows truss-like mast frame slides from top to bottom.

An L-shaped limiting part is arranged between the two pulley blocks, the opening of the L-shaped limiting part is outwards, and the length of the L-shaped limiting part is larger than the height of the first pulley;

The air cylinder is sequentially connected with the air storage tank and the air compressor through the ventilation pipeline, and a valve is arranged on a passage of the air storage tank, which is communicated with the air cylinder.

According to the truss type sail lifting device, the sliding block group is composed of two sliding blocks, and the two sliding blocks are clamped on the frame of the truss type mast at an angle of 90 degrees.

According to the truss type sail lifting device, the pulley blocks are fixed on two parallel edges of the top of the truss type mast in a further step, an L-shaped limiting piece is arranged between the two pulley blocks on each edge, and one second fixed pulley is correspondingly arranged below the L-shaped limiting piece.

According to the truss type sail lifting device, the bottom of the L-shaped limiting piece is in an upward concave arc shape, and epoxy resin is adhered to the surface of the arc.

In the truss type sail lifting device, further, reinforcing toggle plates are arranged at four corners inside the truss type mast.

According to the truss type sail lifting device, the L-shaped limiting pieces are located right above the second fixed pulleys in a further step, and the number of the L-shaped limiting pieces is the same as that of the second fixed pulleys.

In the truss type sail lifting device, further, the cross section of the truss type mast is square, and the height of the truss type sail lifting device is more than 35m and less than 50m.

In the truss type sail lifting device, the first fixed pulley is welded on the lower surface of the top plate of the truss type mast.

In the truss type sail lifting device, the reinforcing ribs are riveted on the sliding blocks in the frame in a further step.

According to the truss type sail lifting device, the bottoms of the L-shaped limiting parts are arc-shaped steel plates in a further step.

The hydraulic rod wind sail device adopts a combined system of the air cylinder and the pulley to lift the wind sail device, so that the cost and oil leakage risk of the existing hydraulic rod wind sail device are reduced. Meanwhile, the pulleys and the air cylinders are common components, the combined structure is more reliable and feasible, the manufacturing cost and the cost are lower, and the integral cost of the conventional sail can be reduced by about 50% of the original cost. The truss type structure is adopted, the wind sail is erected on a ship, the mast is not required to be recovered, the sail surface of the wind sail is only required to be recovered, lifting hydraulic rods are replaced, the lifting principle of the existing wind sail structure is changed, the process is simplified, the cost is reduced, and the weight increase and the steady height increase of an empty ship caused by the wind sail device are reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic elevational view of a truss-like mast with a gas storage tank attached thereto;

FIG. 3 is a schematic side view of a truss mast;

FIG. 4 is a schematic view of the view angle A-A of FIG. 1;

FIG. 5 is a schematic illustration of a single-sided truss mast construction;

The device comprises a slewing mechanism 1, a truss type mast 2, an air cylinder 3, a second fixed pulley 4, a first fixed pulley 5, a sail surface 7, an air storage tank 8, a valve 9, an air compressor 10, a frame 11, an L-shaped limiting piece 12, epoxy resin 13, a steel wire rope 14, a truss frame 201, a triangle-like shape 202, a reinforced toggle plate 203 and a sliding block 1101.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

As shown in FIG. 1, a swing mechanism 1 is fixed on a deck, a cylinder 3 and a truss type mast 2 are fixed on the swing mechanism, the truss type mast is square, the cylinder is positioned at the inner center of the truss type mast, and the cylinder body of the cylinder is fixed with the swing mechanism. Inside the truss mast, reinforcing toggle plates are arranged at four corners.

As shown in fig. 2 and 3, pulley blocks are symmetrically fixed on two parallel edges at the top of the square truss type mast, the pulley blocks are two first fixed pulleys 5 arranged side by side, a second fixed pulley 4 is fixed at the top of a piston rod of a cylinder in the middle of the lower part of the pulley blocks, and two ends of a steel wire rope 14 penetrate upwards from the bottom of the second fixed pulley and are downwards connected with a frame 11 at the center of a sail surface by bypassing the pulley blocks. Through the flexible of cylinder 3 for wire rope can drive sail face 7 and rise or descend, and cylinder 3 and the one end intercommunication of vent line, the other end and the gas holder 8 intercommunication of vent line are provided with valve 9 on the vent line, and gas holder 8 passes through the pipeline and communicates with air compressor machine 10, and air compressor machine 10 is used for sending the air supply in the gas holder 8 into in the jar 3.

An L-shaped limiting part 12 is arranged between the two pulley blocks on each side, the opening of the L-shaped limiting part is outwards, the bottom of the L-shaped limiting part is in an upward concave arc shape, the arc surface is stuck with epoxy resin 13, the length of the L-shaped limiting part is larger than the height of the first pulley, and the L-shaped limiting part is positioned right above the second fixed pulley. The pulley block plays a role in lifting the sail surface, and the second fixed pulley plays a role in guiding. The pulley block can be lifted to the L-shaped limiting part at the farthest.

As shown in fig. 4, the frame is a square frame, and is located at the top center of the sail surface, the frame is sleeved outside the truss type mast and is in sliding connection with the truss type mast, four sliding block sets are arranged at square four corners of the frame, each sliding block set consists of two sliding blocks 1101, the two sliding blocks are clamped on the frame of the truss type mast at an angle of 90 degrees, the sliding block sets are contacted with the frame of the truss type mast and slide up and down along the frame of the truss type mast, a plurality of reinforcing ribs are arranged on the inner side of the frame to play a role in rigidity, and the sliding blocks and the frame are riveted.

As shown in fig. 5, the cross section of the truss mast is square, the height of the single-sided truss mast is n×a+2*B, the height of the truss mast is greater than 35m and less than 50m, the width is 2×b+a, n is similar to the number of triangles 202, the height of the triangle is a, a triangular supporting structure is arranged, the three-side connecting length is C,0.3a < C <0.5a, the width is D,0.1a < D <0.2a, the inner side is provided with a panel, the truss frame 201 around the truss mast plate adopts a thick plate, the width is B,0.15a < B <0.2a, and the thickness is 50mm. The single-sided truss type mast plates have 4 sides in total, form a truss type mast with a square cross section, and are provided with reinforcing toggle plates 203 at right angles, wherein the number of the reinforcing toggle plates is 2n and the reinforcing toggle plates are arranged at equal intervals.

The inner ring of the triangle 202 is provided with a circle of panel, the panel has the effect of increasing the strength of the truss structure, and meanwhile, the outer surface of the panel is flush with the rectangular surface and is arranged inside the truss structure, so that the structure can be used when the truss structure is overhauled.

The invention provides a truss type sail lifting device, which adopts a combined system of an air cylinder and a pulley to lift the sail device, so that the cost and oil leakage risk of the existing hydraulic rod sail device are reduced. Meanwhile, the pulleys and the air cylinders are common components, the combined structure is more reliable and feasible, the manufacturing cost and the cost are lower, and the integral cost of the conventional sail can be reduced by about 50% of the original cost. The truss type structure is adopted, the wind sail is erected on a ship, the mast is not required to be recovered, the sail surface of the wind sail is only required to be recovered, lifting hydraulic rods are replaced, the lifting principle of the existing wind sail structure is changed, the process is simplified, the cost is reduced, and the weight increase and the steady height increase of an empty ship caused by the wind sail device are reduced.

Claims (6)

1. The truss type sail lifting device is characterized in that a slewing mechanism (1) is fixed on a deck, an air cylinder (3) and a truss type mast (2) are fixed on the slewing mechanism, the truss type mast is square, the air cylinder is positioned at the center inside the truss type mast, and the cylinder body of the air cylinder is fixed with the slewing mechanism;

A pulley block is symmetrically fixed at the top of the square truss type mast, the pulley block is formed by arranging two first fixed pulleys (5) side by side, a second fixed pulley is fixed at the top of a piston rod of the cylinder below the middle of the pulley block, two ends of a steel wire rope (14) penetrate upwards from the bottom of the second fixed pulley (4), and the steel wire rope is downwards connected with a frame in the center of a sail surface (7) by bypassing the pulley block;

The frame is a square frame (11) and is positioned at the top center of the sail surface, the frame is sleeved outside the truss type mast and is in sliding connection with the truss type mast, four square corners of the frame are provided with four sliding block groups, and the sliding block groups are contacted with the frame of the truss type mast and slide up and down along the frame of the truss type mast;

An L-shaped limiting part (12) is arranged between the two pulley blocks, the opening of the L-shaped limiting part is outwards, and the length of the L-shaped limiting part is larger than the height of the first fixed pulley;

the air cylinder is sequentially connected with an air storage tank (8) and an air compressor (10) through an air pipeline, and a valve (9) is arranged on a passage of the air storage tank, which leads to the air cylinder.

2. A truss-like sail raising and lowering device according to claim 1, characterised in that the set of slide blocks consists of two slide blocks (1101), which are clamped at an angle of 90 ° to the frame of the truss-like mast.

3. The truss type sail lifting device according to claim 1, wherein the pulley blocks are symmetrically fixed on two parallel edges of the top of the square truss type mast, an L-shaped limiting piece is arranged between the two pulley blocks on each edge, and the second fixed pulley is correspondingly arranged below the L-shaped limiting piece.

4. Truss-like sail lifting device according to claim 1, characterized in that the bottom of the L-shaped limiting element is in the shape of an upwardly concave circular arc, the circular arc surface being attached with epoxy resin (13).

5. A truss-like sail raising and lowering device according to claim 1, characterised in that inside the truss-like mast, reinforcement toggle plates (203) are provided at the four corners.

6. A truss type sail raising apparatus as described in claim 1, 3 or 4, wherein said L-shaped limiting members are located directly above said second fixed pulleys, and wherein the number of said L-shaped limiting members is the same as the number of said second fixed pulleys.