WO2019041555A1

WO2019041555A1 - Reverse hanging beam and application of same

Info

Publication number: WO2019041555A1
Application number: PCT/CN2017/110018
Authority: WO
Inventors: 翟智宇
Original assignee: 广船国际有限公司
Priority date: 2017-08-29
Filing date: 2017-11-08
Publication date: 2019-03-07
Also published as: CN107324201A; CN107324201B

Abstract

Disclosed is a reverse hanging beam, comprising two primary stressed plates (1) arranged parallel to each other and at an interval, two panels (2) arranged parallel to each other and at an interval, and several primary hanging plates (3) arranged at intervals, wherein the panels (2) are located between the two primary stressed plates (1) and are perpendicularly connected to the primary stressed plates (1); the primary hanging plates (3) are located between the two panels (2), and pass through the two primary stressed plates (1) and are fixedly connected to the primary stressed plates (1); each of the primary hanging plates (3) comprises a hanging plate body (31) located between the two primary stressed plates, and several lug plates (32) located on outer sides of the primary stressed plates; and hanging holes (33) are provided on the lug plates (32) in the thickness direction thereof. The reverse hanging beam is suitable for an object to be lifted with a relatively large linear change, such as a section of a ship with a relatively large linear change, and is capable of preventing the phenomenon of section slipping due to changes in the bending moment, thereby reducing the occurrence of safety accidents.

Description

Reflexive lifting beam and its application

Technical field

The invention relates to the technical field of ship construction, in particular to a reflex beam and an application thereof.

Background technique

In the construction process of the slipway, when the crane is used for segmentation and reflexion, the sling is connected directly to the shackle and then connected with the segmented lifting code to carry out the segmentation reflex work. The use of such a reflexive method is completely problem-free for straight segmentation or linear segmentation. However, for a segment with a larger line shape, in the process of reflexiveness using such a reflexive manner, as the torque changes, When the segment changes from a positive bending moment to a negative bending moment at a certain moment, the segment may suddenly slide downward, causing a large impact force and causing a safety accident.

Summary of the invention

It is an object of the present invention to provide a reflexive sling which is suitable for reciprocal operation of an object to be hoisted with a large change in line type.

Another object of the present invention is to provide an application of a reflexive suspension beam that prevents the object to be hoisted from slipping due to a change in bending moment.

To this end, the present invention employs the following technical solutions:

In one aspect, a reflexive suspension beam is provided, comprising two parallel and spaced apart main force plates, two parallel and spaced panels, and a plurality of spaced apart main suspension panels, the panels being located in two of the main Between the force plates and the main force plate, the main suspension plate is located between the two panels and penetrates the two main force plates and is fixedly connected to the main force plate. The main hanging plate includes two a hanging plate body between the main force receiving plates and a plurality of ear plates located outside the main force receiving plate, and the plurality of ear plates are symmetric with respect to a center of a length direction of the main force receiving plate, the ear The plate is provided with a hanging hole along its thickness direction.

As a preferred embodiment of the reversing lifting beam, two adjacent hanging plate bodies are connected by a connecting plate, and the connecting plate is in the same plane as the hanging plate body.

A preferred embodiment of the reflex beam, further comprising an intermediate reinforcing plate disposed in a middle portion of the main force receiving plate, wherein the intermediate reinforcing plate is located adjacent to two adjacent hanging plate bodies adjacent to a central portion of the main force receiving plate The length of the intermediate reinforcing plate extends along the length direction of the main force receiving plate;

The intermediate reinforcing plate is welded to the panel at one end in the width direction thereof, and the opposite end is welded to the connecting plate; or

After the intermediate reinforcing plate penetrates the connecting plate, both ends of the intermediate reinforcing plate are respectively welded to the panel.

A preferred embodiment of the reflexive suspension beam further includes a reinforcing panel, one side of the reinforcing panel being welded to the intermediate reinforcing plate and the other side being welded to the panel, the length of the reinforcing panel being strengthened along the middle The length direction of the plate extends to be close to the hanging plate body.

As a preferred embodiment of the reversing lifting beam, a plurality of plug welding holes are spaced apart from the middle portion of the panel in the width direction thereof, and the panel and the reinforcing panel are connected by plug welding.

In a preferred embodiment of the reversing lifting beam, the main lifting plate comprises a plurality of first reinforcing plates welded on both sides of the ear plate along the thickness direction thereof, and the hanging holes of the main lifting plate penetrate the first reinforcement board.

In a preferred embodiment of the reversing lifting beam, the main lifting plate further includes a second reinforcing plate located at two ends of the ear plate along a length direction of the main force receiving plate, the second reinforcing plate being along a thickness direction thereof One side is vertically welded to the ear plate, and the second reinforcing plate is vertically welded to the main force receiving plate.

As a preferred solution for the reflex beam,

The main force receiving plate is respectively welded with a round steel along both ends of the width direction thereof, the length of the round steel extending along the length direction of the main force receiving plate, and the diameter of the round steel is not less than the main receiving The thickness of the force plate.

As a preferred solution for the reflex beam,

Further comprising at least two auxiliary lifting plates, at least two of the auxiliary lifting plates are fixed on the same main force receiving plate, and the auxiliary lifting plates are provided with hanging holes along the thickness direction thereof, and the auxiliary hanging plates are The ear plates are spaced apart, and at least two of the auxiliary lifting plates are symmetric with respect to a center of a length direction of the main force receiving plate;

The auxiliary lifting plates are provided with third reinforcing plates on both sides in the width direction thereof.

In another aspect, an application of the reflexive lifting beam is provided, and a first crane, a second crane, and the reflexive lifting beam are provided, and a main reflexive lifting code is installed on a non-curved surface of the object to be hoisted, a auxiliary reflexive lifting code is installed on the non-curved surface of the object to be hoisted, and the main reflexive lifting code is connected to the first crane through the first sling connection, and the auxiliary reversing lifting code is passed through the second sling a symmetrical hanging hole connection on one side of the reversing lifting beam, and a symmetrical hanging hole on the other side of the reversing lifting beam is connected to the second crane through a third sling;

The first crane and the second crane perform reflexive lifting on the object to be hoisted, and the reciprocating lifting beam abuts the curved surface when the object to be hoisted reciprocates to 45° to 90° Providing a reverse force to the object to be hung to prevent the object to be hung from slipping.

The invention has the beneficial effects that the reciprocating lifting beam of the invention is suitable for the object to be hoisted with a large change in the linear shape, for example, the segment with a large change in the linear shape of the ship. When the sling is used to connect the segment and the crane directly, during the segment reversal process, the sling will contact the segmented curved surface, resulting in segmental slip, and the reflexive sling of the present invention is used for the segment. When the reversing operation is performed, it is possible to prevent the segment from slipping due to the change of the bending moment and reduce the occurrence of a safety accident.

DRAWINGS

1 is a front elevational view of a reflexive suspension beam in accordance with an embodiment of the present invention.

2 is a top plan view of a reflexive suspension beam according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view taken along line A-A of Fig. 1;

Figure 4 is a side elevational view of a reflexive suspension beam in accordance with an embodiment of the present invention.

Fig. 5 is a cross-sectional view taken along line B-B of Fig. 1;

Fig. 6 is an enlarged view of I in Fig. 1.

In Figures 1 to 6:

1. Main force plate; 2. Panel; 21, plug welding hole; 3. Main hanging plate; 31, hanging plate body; 32, ear plate; 33, hanging hole; 34, first reinforcing plate; Reinforcement plate; 4, connecting plate; 5, intermediate reinforcing plate; 6, reinforcing panel; 7, round steel; 8, auxiliary hanging plate; 9, third reinforcing plate.

Detailed ways

The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the orientation or positional relationship of the terms "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description. Instead of indicating or implying that the device or component referred to must have a particular orientation, constructed and operated in a particular orientation, it is not to be construed as limiting the invention.

Moreover, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first", "second", and "third" may include one or more of the features, either explicitly or implicitly.

In the description of the present invention, the term "fixed" is to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or a mechanical connection, unless otherwise explicitly defined and defined. It is an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It is the internal communication of two components or the interaction of two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "on" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature "under" the second feature includes the first feature directly below and below the second feature, or merely indicating that the first feature level is less than the second feature.

As shown in Figures 1 to 6, an embodiment of the present invention provides a reflexive suspension beam comprising two parallel and spaced apart main force plates 1, two parallel and spaced panels 2, and a plurality of spaced apart mains. a hanging plate 3, the panel 2 is located between the two main force receiving plates 1 and is vertically connected with the main force receiving plate 1, and the main lifting plate 3 is located between the two panels 2 and penetrates the two main force receiving plates 1 and is mainly received by the main plate The force plate 1 is fixedly connected. The main suspension plate 3 includes a suspension plate body 31 between the two main force receiving plates 1 and a plurality of ear plates 32 located outside the main force receiving plate 1. The plurality of ear plates 32 are opposite to the main force receiving plate. The center of the longitudinal direction of 1 is symmetrical, and the ear plate 32 is provided with a hanging hole 33 in the thickness direction thereof. In this embodiment, the two ends of the panel 2 are respectively welded to the main force receiving plate 1 , and the hanging plate body 31 and the ear plate 32 are integrated. The main hanging plate 3 penetrates the main force receiving plate 1 and is welded to the main force receiving plate 1 . The strength of the main lifting plate 3 can be increased. The reflexive lifting beam in this embodiment is suitable for an object to be hoisted with a large change in line type, for example, a segment in which the line type of the ship changes greatly. When the sling is used to connect the segment and the crane directly, during the segment reversal process, the sling will contact the segmented curved surface, resulting in segmental slip, and the reflexive sling of the present invention is used for the segment. When the reversing operation is performed, it is possible to prevent the segment from slipping due to the change of the bending moment and reduce the occurrence of a safety accident.

Among them, the panel 2 and the main force receiving plate 1 must be fully penetrated.

The main hanging plate 3 has a total of six spaced apart hanging plate bodies 31, and the three hanging plate bodies 31 are adjacent to each other. One end of the main force plate 1 is symmetrical with respect to the center of the other three suspension plate bodies 31 with respect to the longitudinal direction of the main force receiving plate 1. In the three hanging plate main bodies 31, the distance between the centers of the adjacent two hanging plate bodies 31 gradually decreases in the center direction near the longitudinal direction of the main force receiving plate 1.

Preferably, in order to avoid the rigid abutment between the reflexing beam and the segment, in this embodiment, the reflexive lifting beam is not provided with a rubber layer on both sides of the ear plate 31, and on the one hand, the reflex beam and the segmentation can be prevented. Damage to the reflex beam or segment when abutting, on the other hand, the friction between the reflex beam and the segment can be increased.

In this embodiment, the outer spacing of the reflex beam is coated with a plurality of paint layers to prevent rust.

The two adjacent hanging plate bodies 31 are connected by a connecting plate 4, and the connecting plate 4 and the hanging plate body 31 are in the same plane. Specifically, along the longitudinal direction of the main force receiving plate 1, the two ends of the connecting plate 4 are respectively welded to the hanging plate body 31 to increase the strength of the reciprocating lifting beam.

In the application process, the bending moment of the middle part is the largest, and the stress is mainly concentrated in the middle position.

The reversing lifting beam further includes an intermediate reinforcing plate 5 disposed at a middle portion of the main force receiving plate 1, and the intermediate reinforcing plate 5 is located between adjacent two hanging plate bodies 31 adjacent to the middle of the main force receiving plate 1, the intermediate reinforcing plate 5 The length extends along the length direction of the main force receiving plate 1; one end of the intermediate reinforcing plate 5 along the width direction thereof is welded to the panel 2, and the other end is welded to the connecting plate 4, and the middle portion of the reflexive lifting beam is strengthened by the intermediate reinforcing plate 5. Processing to increase the structural strength of the middle portion of the reflex beam.

Further, after the intermediate reinforcing plate 5 penetrates the connecting plate 4, the two ends of the intermediate reinforcing plate 5 are respectively welded to the panel 2, that is, the connecting plate 4 is provided with a mounting hole along a middle portion in the width direction thereof, and the intermediate reinforcing plate 5 passes through the mounting hole. And welded with the connecting plate 4 to further improve the structural strength of the middle portion of the reflex beam.

The reversing lifting beam further comprises a reinforcing panel 6. One side of the reinforcing panel 6 is welded to the intermediate reinforcing plate 5, and the other side is welded to the panel 2 to increase the welding area of the intermediate reinforcing plate 5 and the panel 2, thereby improving the welding strength and strengthening the panel 6. The length extends along the length of the intermediate reinforcing plate 5 to be close to the hanging plate body 31.

In order to further improve the structural strength of the middle portion of the reversing lifting beam, a plurality of plug welding holes 21 are spaced apart from the middle portion of the panel 2 in the width direction thereof, and the panel 2 and the reinforcing panel 6 are connected by plug welding.

Preferably, the plug welding hole 21 is a waist hole, and the length of the waist hole extends along the length direction of the panel 2.

The main lifting plate 3 includes a plurality of first reinforcing plates 34 welded to both sides of the ear plate 32 in the thickness direction thereof, and the hanging holes 33 of the main lifting plate 3 penetrate the first reinforcing plate 34 to improve the strength of the force when lifting. Specifically, one end of the ear plate 32 away from the main force receiving plate 1 is a circular arc portion, and the interface of the first reinforcing plate 34 along the radial surface thereof is a circle having a diameter smaller than the circular arc portion and passing through the circular arc portion.

The main lifting plate 3 further includes a second reinforcing plate 35 located at both ends of the ear plate 32 along the longitudinal direction of the main force receiving plate 1, and the second reinforcing plate 35 is vertically welded to the ear plate 32 along one side in the thickness direction thereof, and the second reinforcing plate is welded. 35 is welded perpendicularly to the main force plate 1 to increase the connection strength between the main suspension plate 3 and the main force plate 1.

The main force receiving plate 1 is welded with a round steel 7 at both ends of the width direction thereof, and the length of the round steel 7 extends along the length direction of the main force receiving plate 1, and the diameter of the round steel 7 is not less than the thickness of the main force receiving plate 1. . In this embodiment, the round steel 7 and the main force receiving plate 1 are welded and fixed by continuous welding to improve the structural strength of the main force receiving plate 1 while preventing the main force receiving plate 1 from wearing the sling; the diameter of the round steel 7 is equal to the main The thickness of the force plate 1 and its length is equal to the length of the main force plate 1.

Further comprising at least two auxiliary lifting plates 8, at least two auxiliary lifting plates 8 are fixed on the same main force receiving plate 1, and the auxiliary lifting plates 8 are provided with hanging holes along the thickness direction thereof, and the auxiliary hanging plates 8 and the ear plates 32 are provided. Arranged at intervals, and at least two auxiliary lifting plates 8 are symmetrical with respect to the center of the longitudinal direction of the main force receiving plate 1; specifically, the auxiliary lifting plate 8 is welded to the main force receiving plate 1, and the auxiliary lifting plate 8 is along the width direction thereof. A third reinforcing plate 9 is provided on both sides. The third reinforcing plate 8 is respectively welded to the auxiliary lifting plate 8 and the main force receiving plate 1; or the auxiliary lifting plate 8 and the connecting plate 4 are integrally formed, the main force receiving plate 1 is provided with a through hole, and the auxiliary lifting plate 8 is inserted into the through hole. The hole is welded to the main force plate 1 .

Among them, the number of the main hanging plate 3 and the auxiliary hanging plate 8 are even numbers. Specifically, the number of the main hanging plates 3 in the present embodiment is six, and the number of the auxiliary hanging plates 8 is two.

An embodiment of the present invention further provides an application of the reflexive lifting beam of the above embodiment, providing a first crane, a second crane, and a reversing lifting beam, and installing a main reflexive lifting code on a non-curved surface of the object to be hoisted, The auxiliary reflexive lifting code is installed on the non-curved surface of the object to be hoisted, and the main reversing lifting code is connected with the first crane through the first sling connection, and the auxiliary reversing lifting code is passed through the second sling and the side of the reflexing sling a symmetrical suspension connection, connecting the symmetrical hanging hole on the other side of the reversing lifting beam to the second crane through the third sling;

The first crane and the second crane perform reflexive lifting on the hanging object. When the object to be reciprocated to 45° to 90°, the reflexing beam and the curved surface abut against the hanging object to provide a reverse force to avoid hanging. The object slips.

Wherein, the main reflexive lifting code and the auxiliary reversing lifting code are arranged on opposite sides of the object to be hoisted, usually on both sides of a relatively long length direction of the object to be hoisted.

Wherein, the main reversing lifting code is connected with the first crane through the first shackle, the first sling rope, and the auxiliary reversing lifting code is connected through the second shackle, the second sling and the hanging hole on the side of the reversing lifting beam, and the back sling The hanging hole on the other side of the beam is connected to the second crane through the third shackle and the third sling.

The sling in this embodiment is a wire rope.

The reflexive lifting beam of the invention is suitable for the object to be hoisted with large linear change, such as the segment with large change of the head and tail line during the construction process of the ship, and the segmental change due to the bending moment can be avoided in the process of segment reversal. The occurrence of slippage causes a large impact force to cause a safety accident.

It should be noted that the foregoing specific embodiments are merely preferred embodiments of the present invention and the technical principles applied thereto, and any changes that are easily conceived by those skilled in the art are possible within the technical scope of the present disclosure. Replacement should be covered by the scope of the present invention.

The present invention has been described above by way of specific embodiments, but the present invention is not limited to these specific embodiments. It will be apparent to those skilled in the art that various modifications, equivalents, changes, and the like may be made in the present invention. However, these modifications are intended to be within the scope of the present invention as long as they do not depart from the spirit of the invention. In addition, the specification and claims of the present application are used. Some terms are not limiting and are merely for convenience of description.

Claims

A reflexive suspension beam, comprising: two parallel and spaced main force plates, two parallel and spaced panels, and a plurality of spaced apart main suspension panels, the panels being located in two of the main Between the force plates and the main force plate, the main suspension plate is located between the two panels and penetrates the two main force plates and is fixedly connected to the main force plate. The main lifting plate includes a hanging plate body between the two main force receiving plates and a plurality of ear plates located outside the main force receiving plate, and the length of the plurality of the ear plates relative to the main force receiving plate The center of the direction is symmetrical, and the ear plate is provided with a hanging hole along its thickness direction.
The reflexive lifting beam according to claim 1, wherein two adjacent hanging plate bodies are connected by a connecting plate, and the connecting plate and the hanging plate body are in the same plane.
The reflexing beam according to claim 1, further comprising an intermediate reinforcing plate disposed at a middle portion of said main force receiving plate, and said intermediate reinforcing plate is located adjacent to two adjacent central portions of said main force receiving plate Between the hanging plate bodies, the length of the intermediate reinforcing plate extends along the length direction of the main force receiving plate;

The intermediate reinforcing plate is welded to the panel at one end in the width direction thereof, and the opposite end is welded to the connecting plate; or

After the intermediate reinforcing plate penetrates the connecting plate, both ends of the intermediate reinforcing plate are respectively welded to the panel.
The reflex beam according to claim 3, further comprising a reinforcing panel, one side of the reinforcing panel being welded to the intermediate reinforcing plate and the other side being welded to the panel, the length of the reinforcing panel Extending along the length direction of the intermediate reinforcing plate to be close to the hanging plate body.
The reflex beam according to claim 4, wherein a plurality of plug welding holes are spaced apart from the middle portion of the panel in the width direction thereof, and the panel and the reinforcing panel are connected by plug welding.
The reflexive suspension beam according to claim 1, wherein said main suspension plate comprises a plurality of welds a first reinforcing plate attached to both sides of the ear plate along a thickness direction thereof, and a hanging hole of the main hanging plate penetrates the first reinforcing plate.
The reflexive lifting beam according to claim 1, wherein the main lifting plate further comprises a second reinforcing plate located at two ends of the ear plate along a length direction of the main force receiving plate, the second reinforcing plate One side along the thickness direction thereof is vertically welded to the ear plate, and the second reinforcing plate is vertically welded to the main force receiving plate.
The reflexive lifting beam according to claim 1, wherein the main force receiving plate is welded with a round steel at both ends of the width direction thereof, and the length of the round steel is along the length direction of the main force receiving plate. Extending, and the diameter of the round steel is not less than the thickness of the main force receiving plate.
The reflexing beam according to claim 1, further comprising at least two auxiliary lifting plates, at least two of said auxiliary lifting plates being fixed on said same main force receiving plate, said auxiliary hanging plate a lifting hole is arranged along the thickness direction thereof, the auxiliary lifting plate is spaced apart from the ear plate, and at least two of the auxiliary lifting plates are symmetric with respect to a center of a length direction of the main force receiving plate;

The auxiliary lifting plates are provided with third reinforcing plates on both sides in the width direction thereof.
The use of the reflexive lifting beam according to any one of claims 1 to 9, characterized in that the first crane, the second crane and the reversing lifting beam are provided on the non-curved surface of the object to be hoisted Installing the main reflexive lifting code, installing the auxiliary reflexive lifting code on the non-curved surface of the object to be hoisted, connecting the main reflexive lifting code to the first crane through the first sling connection, and splicing the auxiliary reversing body The code is connected to the opposite hanging hole on one side of the reversing lifting beam through the second sling, and the symmetrical hanging hole on the other side of the reversing lifting beam passes through the third sling and the second crane connection;

The first crane and the second crane perform reflexive lifting on the object to be hoisted, and the reciprocating lifting beam abuts the curved surface when the object to be hoisted reciprocates to 45° to 90° Providing a reverse force to the object to be hung to prevent the object to be hung from slipping.