CN215906731U

CN215906731U - Locking device of shipyard ship lift

Info

Publication number: CN215906731U
Application number: CN202122214503.7U
Authority: CN
Inventors: 慎辰; 潘润道; 华寅超; 张吉平; 彭敏林; 陈子康; 罗一恒; 苗志一
Original assignee: China Shipbuilding NDRI Engineering Co Ltd
Current assignee: China Shipbuilding NDRI Engineering Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-25
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a locking device of a shipyard ship lift, which is characterized in that a hanger structure and a ship lift device are formed by a pneumatic bolt mechanism arranged in a locking support, a cylinder body and a bolt are integrated to realize the locking of the ship lift, and the pneumatic bolt mechanism consists of a hanger bolt plate, a slide rail frame, a cylinder rod end support, a piston rod and a cylinder body arranged in the bolt body; the sliding rail frame supports the pin body during the return stroke of the cylinder; the hanger bolt plate is inserted between the connecting plates and penetrates through the rectangular hole of the locking support to be fixedly connected with the hanger structure, and when the ship bearing platform rises to the elevation of the harbor basin, the cylinder body drives the pin body to be inserted into the holes of the connecting plates and the hanger bolt plate, so that the ship bearing platform and the hanger structure are locked on the side wall of the harbor basin. Compared with the prior art, the utility model has the advantages of simple structure and high reliability, the ship bearing platform and the hanging bracket are structurally connected rigidly through the locking device, the ship moving operation and the pier arranging operation are convenient, and the safety performance is further improved.

Description

Locking device of shipyard ship lift

Technical Field

The utility model relates to the technical field of winch type vertical ship lifts, in particular to a locking device of a shipyard ship lift for pier loading and launching of ships.

Background

The winch type vertical ship lift consists of a harbor basin, a ship bearing platform, a hoisting point device, a control system and the like. The ship enters a harbor basin, the ship falls on a buttress preset on a ship bearing platform, the ship bearing platform lifts the ship to the level of a terrace of a land parking station under the action of a hoisting point device, the ship bearing platform is locked, then a ship moving system transports the ship to the land parking station, and the launching process of the ship is opposite to the ship lifting process.

The ship lift is provided with a plurality of lifting points which are generally symmetrically arranged at two sides of a harbor basin, each lifting point comprises a fixed pulley block, a locking device, a winch and the like, a ship bearing platform is a carrier of a ship, two sides of the ship bearing platform extend out of a hanging bracket structure, and a movable pulley block is arranged on the hanging bracket structure. The winch is a power device for lifting the ship bearing platform and the ship. The lifting of the platform carrying the ship is realized by the rope winding or rope unwinding of the winch, the steel wire rope passes through the fixed pulley block and the movable pulley block to connect the winch and the ship carrying platform together, and the reinforcement and speed reduction effects are realized. When the ship bearing platform reaches the same height as the land berthing station terrace, the ship bearing platform is rigidly connected with the hoisting point through the locking device, so that the ship moving operation and the pier arranging operation are convenient.

The ship lift locking device in the prior art adopts an electric push rod or a hydraulic cylinder to push a bolt shaft, and a ship bearing platform is rigidly connected with a hanger structure. The structure is long in overall size, needs to occupy the space on the side of the harbor pool, has high sealing requirements if a hydraulic cylinder is adopted, needs to establish a hydraulic pump station, is relatively complex in system, has high maintenance requirements, and is easy to cause hydraulic oil leakage to pollute the working environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a locking device of a shipyard ship lift, which is designed aiming at the defects of the prior art, and has the advantages of no pollution, small size, simple and reliable structure, space saving, convenient installation and high efficiency.

The purpose of the utility model is realized as follows: a locking device of a shipyard ship lift comprises a hanger structure and a ship lift device, wherein the hanger structure is connected with a ship bearing platform into a whole; the locking support is of a box girder structure, a plurality of connecting plates welded with the face plate and the web plate into a whole are arranged in the locking support, and a rectangular hole is formed in the lower face plate of the box girder; the connecting plate is a rectangular plate, and is provided with an inserting hole which is coaxial with the cylinder; the pin body is of a steel pipe structure with one end provided with a pin end cover and the other end provided with an opening; the cylinder body is arranged in the pin body, the end part of the cylinder body is connected with the pin end cover through the double lug plates, a piston rod is arranged in the cylinder body, and the piston rod moves forwards or backwards in the cylinder body according to the fact that compressed air enters and is discharged; the end part of the piston rod is arranged on the bracket of the end of the cylinder rod through a pin shaft; the sliding rail frame is arranged on the connecting plate and the cylinder rod end bracket, and supports the pin body on the sliding rail frame during the return stroke of the cylinder; the ship lifting device is arranged on the locking support and is fixedly connected with the locking support; the ship lifting device and the locking support are both fixed on a terrace on the side wall of the harbor basin; the hanging bracket bolt plates are rectangular plates inserted between the connecting plates, round holes coaxial with the cylinders are formed in the hanging bracket bolt plates, the hanging bracket bolt plates penetrate through the rectangular holes in the bottom of the locking support and are fixedly connected with the hanging bracket structure into a whole, when the ship bearing platform rises to the elevation of a harbor pool, the round holes of the hanging bracket bolt plates and the jacks of the connecting plates are coaxial, the cylinder body drives the pin bodies to be inserted into the holes of the connecting plates and the hanging point bolt plates, the ship bearing platform is connected with the hanging bracket structure in a rigid mode, and the ship bearing platform of the ship lift is locked.

The pin body, the jack and the round hole are arranged in concentric circles.

And a liner made of engineering plastic alloy is arranged on the slide rail frame.

Compared with the prior art, the utility model has the advantages of simple structure, good economy, high reliability, easy operation, small space for implementing the structure, convenient installation and high working efficiency, and the ship bearing platform and the hanging bracket structure are locked on the side wall of the harbor basin through the locking device, thereby facilitating the ship moving operation and the pier arranging operation and further improving the safety performance.

Drawings

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

FIG. 2 is a view taken along line A of FIG. 1;

FIG. 3 is a schematic view of a connection plate structure;

FIG. 4 is a side view of FIG. 3;

fig. 5 is a schematic structural view of a hanger pin plate;

FIG. 6 is a side view of FIG. 5

FIG. 7 is a schematic diagram of an embodiment of the present invention.

Detailed Description

Referring to the attached drawings 1-2, the ship lifting device 12 is rigidly connected with the hanger structure 11 through the pneumatic bolt mechanism 17 arranged in the locking support 1, so that the ship bearing platform 19 is locked. Pneumatic bolt mechanism 17 comprises gallows bolt board 4, slide rail frame 5, cylinder 6, the body of the round pin 2, cylinder rod end support 7, cylinder 6 includes: a piston rod 10 and a cylinder 9; the cylinder body 9 is arranged in the pin body 2; the locking support 1 is a box-shaped structure consisting of an upper panel, a lower panel, a left web and a right web, a plurality of connecting plates 8 are arranged in the box-shaped structure and are welded with the panel webs of the box girder into a whole, a rectangular hole 13 is arranged on the lower panel of the box girder, so that the bolt plates 4 of the hanging bracket can penetrate through the hole, and the connecting plates 8 are kept in clearance staggered arrangement, thereby facilitating pin penetration; the pin body 2 is of a steel pipe structure with one end provided with a pin end cover 3 and the other end provided with an opening; the cylinder body 9 is arranged in the pin body 2, and the end part of the cylinder body is provided with a double-lug plate 16 which is connected to the pin end cover 3 of the pin body 2 through a pin shaft; the end part of the piston rod 10 is connected to the cylinder rod end bracket 7 through a pin shaft; the cylinder rod end bracket 7 is arranged on one side of the locking support 1, and the cylinder 6 is concentric with a hole on a connecting plate 8 of the locking support 1; the slide rail frame 5 is arranged between the connecting plate 8 and the cylinder rod end bracket 7, and when the cylinder returns, the pin body 2 is supported on the slide rail frame 5; engineering plastic alloy is arranged on the slide rail frame 5 to serve as a liner, and smooth movement of the cylinder body can be guaranteed.

The hoisting point device 12 is arranged on the locking support 1 and is fixedly connected with the locking support 1; the hanger bolt plates 4 are rectangular plates inserted between the connecting plates 8, round holes 15 which are coaxial with the cylinders 6 are arranged on the hanger bolt plates, the hanger bolt plates 4 are fixedly connected with the hanger structures 11 into a whole through the rectangular holes 13 of the locking supports 1, when a ship bearing platform 19 rises to a harbor basin elevation, the round holes 15 of the hanger bolt plates 4 are coaxial with jacks 14 of the connecting plates 8, the cylinder body 9 drives the pin bodies 2 to be inserted into the holes of the connecting plates 8 and the hanger bolt plates 4, the ship bearing platform 19 and the hanger structures 11 are locked on the side walls of the harbor basin, and the ship bearing platform 19 of the ship lift is locked.

Referring to fig. 3 to 4, the connecting plate 8 is a rectangular plate, and is provided with an insertion hole 14 coaxial with the cylinder 6.

Referring to fig. 5 to 6, the hanger pin plate 4 is a rectangular plate inserted between the connection plates 8, and is provided with a circular hole 15 coaxial with the cylinder 6.

The utility model will be described and illustrated in further detail below using a ship lift as an example:

example 1

Referring to fig. 7, a locking support 1 is fixed on a harbor pool wall 18, a ship lifting device 12 is arranged on the locking support 1 and is fixedly connected with the locking support 1, and a hanger structure 11 and the ship lifting device 12 realize the locking of a ship lifter by a pneumatic bolt mechanism 17 arranged in the locking support 1, so that a ship bearing platform 19 and the hanger structure 11 are locked on the side wall of the harbor pool; the hoist of the ship elevator 12 is powered to be raised and lowered together with the ship-carrying platform 19.

The utility model works as follows: when the ship bearing platform 19 reaches the height equal to the elevation of the harbor basin, the center of the opening of the hanger bolt plate 4 correspondingly rises to be at the same height with the connecting plate 8 (and the circle center of the cylinder 6) of the locking support 1, and the opening is arranged in order in a staggered mode, and the travel switch sends out a signal that the ship bearing platform 19 is in place. At this time, the cylinder 6 is in a recovery state, and the pin body 2 is supported on the rail frame 5. After receiving the in-place signal of the ship bearing platform 19, the air supply solenoid valve acts, the side (rodless cavity) of the cylinder body 9 of the cylinder 6 is supplied with air, the cylinder body 9 drives the pin bodies 2 to be inserted into the connecting plates 8 and the openings of the hanging bracket pin plates 4 inserted between the connecting plates 8, and the hanging bracket pin plates 4 are rigidly connected with the locking support 1. When the cylinder body 9 reaches the terminal travel switch, the cylinder 6 stops acting to complete the bolt, and the ship lift is locked. On the contrary, when the side (with the rod cavity) of the piston rod 10 is inflated, the cylinder body 9 of the cylinder 6 drives the pin body 2 to withdraw, when the cylinder body 9 reaches the other end travel switch, the cylinder 6 stops acting, the cylinder body 9 is separated from the locking support 1 and the hanger pin plate 4, the pin body 2 is supported on the slide rail frame 5, the pin pulling action is completed, and the ship bearing platform 19 is separated from the fixed structure on the harbor basin wall 18.

The utility model adopts compressed air of a shipyard as a power source, is clean and environment-friendly, the piston rod 10 of the cylinder 6 is hinged and fixed, the cylinder body 6 is hidden in the pin body 2, the piston rod 10 is used as a fulcrum, and the movement of the cylinder body 9 realizes the action of the pin, thereby greatly saving the space, having good economy, being simple and reliable, and being convenient for operation and implementation.

The utility model is further described and not intended to be limited to the specific embodiments disclosed, but rather, the utility model is to be accorded the full scope and equivalents thereof.

Claims

1. A locking device of a shipyard ship lift comprises a hanger structure (11) and a ship lift device (12), wherein the hanger structure (11) is connected with a ship bearing platform (19) into a whole, and is characterized in that the hanger structure (11) and the ship lift device (12) realize the locking of the ship lift by a pneumatic bolt mechanism (17) arranged in a locking support (1), and the pneumatic bolt mechanism (17) consists of a hanger bolt plate (4), a slide rail frame (5), a cylinder (6), a pin body (2) and a cylinder rod end bracket (7); the cylinder (6) comprises: a piston rod (10) and a cylinder body (9); the locking support (1) is of a box girder structure, a plurality of connecting plates (8) welded with the face plate and the web plate are arranged in the locking support, and a rectangular hole (13) is formed in the lower face plate of the box girder; the connecting plate (8) is a rectangular plate, and is provided with an insertion hole (14) which is coaxial with the cylinder (6); the pin body (2) is of a steel pipe structure, one end of the pin body is provided with a pin end cover (3), and the other end of the pin body is open; the cylinder body (9) is arranged in the pin body (2), the end part of the cylinder body is connected with the pin end cover (3) through a double lug plate (16), and the cylinder body (9) is connected with the pin body (2) into a whole; the end part of the piston rod (10) is arranged on the cylinder rod end bracket (7) through a pin shaft, and the telescopic motion of the piston rod (10) is realized by compressed air in the cylinder body (9); the sliding rail frame (5) is arranged between the connecting plate (8) and the cylinder rod end bracket (7), and the pin body (2) of the cylinder (6) during return stroke is supported on the sliding rail frame (5); the ship lifting device (12) is arranged on the locking support (1) and is fixedly connected with the locking support (1); the ship lifting device (12) and the locking support (1) are fixed on the harbor pool wall; the lifting frame bolt plates (4) are rectangular plates inserted between the connecting plates (8), round holes (15) which are coaxial with the cylinders (6) are formed in the rectangular plates, the lifting frame bolt plates (4) penetrate through the rectangular holes (13) in the bottom of the locking support (1) to be fixedly connected with the lifting frame structures (11) into a whole, when the ship bearing platform (19) rises to the elevation of a harbor basin, the round holes (15) of the lifting frame bolt plates (4) are coaxial with the jacks (14) of the connecting plates (8), the cylinder body (9) drives the pin bodies (2) to be inserted into the holes of the connecting plates (8) and the lifting frame bolt plates (4), the lifting frame structures (11) and the ship lifting devices (12) of the ship bearing platform (19) are connected in a rigid mode, and the ship bearing platform (19) of the ship lifting machine is locked.

2. Locking device of a ship lift in accordance with claim 1, characterized in that the pin body (2) is arranged concentrically with the socket (14) and the circular hole (15).

3. Locking device for a ship lift in shipyards according to claim 1, characterised in that said skid frame (5) is lined with an engineering plastic alloy.