CN116620480A - Reverse reinforcement structure and method for mounting chain stopper - Google Patents

Abstract

The application discloses a reverse reinforcement structure and a reinforcement method for installing a chain stopper in the technical field of ships. This reverse side additional strengthening is including setting up the sincere chain ware on the deck, sincere chain ware includes the base and sets up the axis of rotation on the base, and the base is equipped with the strengthening rib including two toggle plates of welding on the deck, the below of deck is close to the position of toggle plate toe end, and strengthening rib perpendicular to deck welded fastening, the strengthening rib extends along the axial of perpendicular to axis of rotation, and the length scope of strengthening rib is greater than or equal to the toggle plate along the axial fore-and-aft movement's of perpendicular to axis of rotation range. The application has the advantages that the reinforcing ribs can be arranged at the inner industry stage to strengthen the strength, and the working efficiency is improved.

Description

Reverse reinforcement structure and method for mounting chain stopper

Technical Field

The application relates to the technical field of ships, in particular to a reverse reinforcement structure and a reinforcement method for installing a chain stopper.

Background

The chain stopper is arranged between the anchor machine and the hawse pipe and is used for fixing the hawse and preventing the hawse from sliding out. When the anchor is anchored, the chain stopper transmits the tension generated by the anchor and the anchor chain to the ship body so as to lighten the load of the anchor machine and protect the anchor machine. And the device bears the gravity and inertial force of the anchor during navigation and is an accessory device of the anchor jack. Therefore, the sincere chain ware uses extensively on various boats and ships, for example prior art discloses a sincere chain ware of marine anchoring, and application bulletin number is CN113148007A, and the application bulletin day is 20210723, provides the support through the base, and the base is fixed on the hull with bolted connection mode, can block the iron chain on the fixture block, uses reel and gyro wheel to utilize the axis of rotation to rotate, twines the iron chain on the reel, later through the notch of lock knife downward impressing, later will insert the hosepipe, fix the lock knife, block the iron chain on sincere chain ware main part. However, because of the large load, the design needs to fully consider the stress level of the structure; in conventional designs, an alignment reinforcing structure is usually arranged under the deck to perform alignment reinforcement on the toggle plate of the chain stopper, the alignment reinforcing structure is shown in fig. 1-2, the alignment reinforcing structure is a triangular reinforcing rib 4a, and the reinforcing rib is welded under the deck 3a along the axial direction of the rotating shaft 5a of the chain stopper 1a, so that on one hand, the chain stopper is supported, and on the other hand, stress concentration at the toe end of the toggle plate 2a of the chain stopper is eliminated. However, when the chain stopper is installed, the accurate positioning is required according to the actual situation of the site, although the transverse position of the chain stopper on the deck is determined, and the transverse position is the position of the toggle plate along the axial direction of the rotating shaft, the longitudinal position of the chain stopper on the deck is required to be repeatedly adjusted back and forth, so that the actual position of the chain stopper cannot be determined in the earlier stage, the under-deck alignment reinforcing structure cannot be installed in the internal industry stage, and only the installation of the chain stopper on the wharf is required after the positioning of the chain stopper is completed, thereby increasing more scaffold work and overhead welding work, reducing the working efficiency, affecting the welding quality and increasing the construction cost.

Disclosure of Invention

The application aims to provide a reverse reinforcement structure and a reinforcement method for mounting a chain stopper, which can improve the working efficiency, and the reinforcement structure can be mounted below a deck in an inner industry stage to support the chain stopper, thereby being beneficial to eliminating stress concentration.

In order to achieve the above purpose, the reverse reinforcement structure and the reinforcement method for mounting the chain stopper adopt the following technical scheme:

the utility model provides a sincere chain ware reverse side additional strengthening of installation, includes the sincere chain ware that sets up on the deck, sincere chain ware includes the base and sets up the axis of rotation on the base, and the base is equipped with the strengthening rib including two toggle plates of welding on the deck, the below of deck is close to the position of toggle plate toe end, strengthening rib perpendicular to deck welded fastening, the strengthening rib extends along the axial of perpendicular to axis of rotation, the length scope of strengthening rib is greater than or equal to the toggle plate along the axial fore-and-aft movement's of perpendicular to axis of rotation range of movement.

Preferably, the distance between the stiffener and the toe end of the toggle plate is no more than 30 mm.

A reinforcement method for installing a chain stopper comprises the following steps:

(1) Determination of the lateral position: determining the transverse position of the chain stopper on the deck, wherein the transverse position is the position of the toggle plate along the axial direction of the rotating shaft, and marking a point A on the toe end of the deck, which is close to the toggle plate, and the distance between the point A and the toe end of the toggle plate is not more than 30 mm;

(2) Determination of the longitudinal displacement range: determining the maximum moving range of the toggle plate moving back and forth along the axis vertical to the rotating shaft, and marking the point B and the point C on the two end points of the moving range, wherein the point A is positioned on a straight line formed by connecting the point B and the point C;

(3) Producing and processing reinforcing ribs, wherein the length of the reinforcing ribs is longer than the length of a straight line formed by connecting the points B and C;

(4) Welding vertical reinforcing ribs below the deck, wherein the reinforcing ribs are welded along the straight line direction formed by connecting the point B and the point C, and the point B and the point C are both positioned on the side length of the welding edge of the reinforcing ribs;

(5) Accurate positioning: through carrying out repeated displacement adjustment to the longitudinal position of sincere chain ware on the deck, the accurate location of sincere chain ware position is finally realized, welds the toggle plate on the deck after the accurate location.

Compared with the prior art, the application has the beneficial effects that:

the reinforcing ribs are arranged to vertically reinforce the toe ends of the toggle plates at the two sides of the chain stopper, extend along the axial direction perpendicular to the rotating shaft, and have a length range larger than the moving range of the toggle plates moving forwards and backwards along the axial direction perpendicular to the rotating shaft; through the design form of this additional strengthening, not receive the restriction of sincere chain ware accurate positioning, need not to wait to install the strengthening rib again after sincere chain ware accurate positioning, can accomplish in the industry stage, avoided operation steps such as on-the-spot scaffold frame, overhead welding operation, be favorable to saving on-the-spot operation man-hour, avoid because of the welding quality defect that the overhead welding probably leads to.

Drawings

FIG. 1 is a schematic diagram of a structure of the background art;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic diagram of the structure of the present application;

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

fig. 5 is an enlarged view of the portion D of fig. 3.

1-2, wherein 1a is a chain stopper, 2a is a toggle plate, 3a is a deck, 4a is a reinforcing rib, and 5a is a rotating shaft;

in fig. 3-5, 1 chain stopper, 2 toggle plate, 201 toggle plate toe end, 3 deck, 4 stiffener, 5 rotation axis.

Detailed Description

The present application is further illustrated below in conjunction with the specific embodiments, it being understood that these embodiments are meant to be illustrative of the application only and not limiting the scope of the application, and that modifications of the application, which are equivalent to those skilled in the art to which the application pertains, will fall within the scope of the application as defined in the appended claims.

As shown in fig. 3-5, a reverse reinforcement structure for installing a chain stopper comprises a chain stopper 1 arranged on a deck 3, wherein the chain stopper 1 comprises a base and a rotating shaft 5 arranged on the base, the base comprises two toggle plates 2 welded on the deck 3, a reinforcing rib 4 is arranged below the deck 3 and close to a toe end 201 of the toggle plates, the reinforcing rib 4 is welded and fixed perpendicular to the deck 3, the distance between the reinforcing rib 4 and the toe end 201 of the toggle plates is not more than 30 mm, the reinforcing rib 4 extends along the axial direction perpendicular to the rotating shaft 5, and the length range of the reinforcing rib 4 is greater than or equal to the moving range of the toggle plates 2 moving back and forth along the axial direction perpendicular to the rotating shaft 5.

A method of reinforcing the installation of a chain latch 1, comprising the steps of: (1) determination of lateral position: determining the transverse position of the chain stopper 1 on the deck 3, wherein the transverse position is the position of the toggle plate 2 along the axial direction of the rotating shaft 5, and marking a point A on the deck 3 near the toe end of the toggle plate 2, wherein the distance between the point A and the toe end 201 of the toggle plate is not more than 30 mm, and the point A is marked in the figures 3 and 5; (2) determination of the longitudinal displacement range: determining the maximum moving range of the toggle plate 2 moving back and forth along the axial direction vertical to the rotating shaft 5, and marking the two end points of the moving range with a point B and a point C, wherein the point A is positioned on a straight line formed by connecting the point B and the point C, and the point B and the point C are marked in the figure 4; (3) Producing and processing the reinforcing rib 4, wherein the length of the reinforcing rib 4 is longer than the length of a straight line formed by connecting the points B and C; (4) Vertical reinforcing ribs 4 are welded below the deck 3, the reinforcing ribs 4 are welded along the straight line direction formed by connecting the point B and the point C, and the point B and the point C are both positioned on the side length of the welding edge of the reinforcing ribs 4; after the reinforcing ribs 4 are installed, finite element modeling can be adopted to simulate the maximum stress form of the chain clamping device, whether a new reinforcing scheme meets the standard strength requirement is checked, and according to the standard requirements of HCSR, IACS UR A2 and the like, the load born by the chain clamping device is not less than 80% of the breaking load of an anchor chain; if the strength does not meet the requirement, the supporting strength can be increased by increasing the size of the reinforcing ribs 4; if the strength meets the requirement, the position of the chain stopper 1 can be accurately positioned; and (5) accurately positioning: through carrying out repeated displacement adjustment to the longitudinal position of sincere chain ware 1 on deck 3, the accurate location of sincere chain ware 1 position is finally realized, welds toggle plate 2 on deck 3 after the accurate location.

The specific working process and principle of the application are as follows: firstly, determining the transverse position of the chain stopper on the deck, wherein the transverse position is the position of the toggle plate which is determined along the axial direction of the rotating shaft; then determining a longitudinal displacement range, in particular a maximum movement range of the toggle plate moving back and forth along an axis perpendicular to the rotation axis; then can be with the perpendicular welding of strengthening rib below the deck, the length scope of strengthening rib is greater than the toggle plate along the axial fore-and-aft movement's that is perpendicular to axis of rotation movable range, consequently, the setting of strengthening rib does not receive sincere chain ware accurate positioning's restriction, need not to wait to install the strengthening rib again after sincere chain ware accurate positioning, can accomplish in the industry stage, has avoided operation steps such as on-the-spot scaffold frame, overhead welding operation, is favorable to saving on-the-spot operation man-hour, avoids the welding quality defect that probably leads to because of the overhead welding.

In the description of the present application, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

While the foregoing description illustrates and describes the preferred embodiments of the present application, as noted above, it is to be understood that the application is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the application are intended to be within the scope of the appended claims.

Claims (3)

1. The utility model provides a sincere chain ware reverse side additional strengthening of installation which characterized in that: including setting up sincere chain ware on the deck, sincere chain ware includes the base and sets up the axis of rotation on the base, and the base is equipped with the strengthening rib including two toggle plates of welding on the deck, the position that the below of deck is close to the toggle plate toe end, strengthening rib perpendicular to deck welded fastening, the strengthening rib extends along the axial of perpendicular to axis of rotation, the length scope of strengthening rib is greater than or equal to the toggle plate along the axial fore-and-aft movement's of perpendicular to axis of rotation range.

2. The reverse reinforcement structure for the installation of a chain stopper according to claim 1, characterized in that: the distance between the reinforcing rib and the toe end of the toggle plate is not more than 30 mm.

3. A reinforcement method for installing a chain stopper is characterized in that: a reverse reinforcement structure comprising a latch mounting according to any one of claims 1 to 2, said method comprising the steps of:

(1) Determination of the lateral position: determining the transverse position of the chain stopper on the deck, wherein the transverse position is the position of the toggle plate along the axial direction of the rotating shaft, and marking a point A on the toe end of the deck, which is close to the toggle plate, and the distance between the point A and the toe end of the toggle plate is not more than 30 mm;

(2) Determination of the longitudinal displacement range: determining the maximum moving range of the toggle plate moving back and forth along the axis vertical to the rotating shaft, and marking the point B and the point C on the two end points of the moving range, wherein the point A is positioned on a straight line formed by connecting the point B and the point C;

(3) Producing and processing reinforcing ribs, wherein the length of the reinforcing ribs is longer than the length of a straight line formed by connecting the points B and C;

(4) Welding vertical reinforcing ribs below the deck, wherein the reinforcing ribs are welded along the straight line direction formed by connecting the point B and the point C, and the point B and the point C are both positioned on the side length of the welding edge of the reinforcing ribs;

(5) Accurate positioning: through carrying out repeated displacement adjustment to the longitudinal position of sincere chain ware on the deck, the accurate location of sincere chain ware position is finally realized, welds the toggle plate on the deck after the accurate location.