CN218345010U

CN218345010U - Special-shaped shipbuilding bridge crane main beam

Info

Publication number: CN218345010U
Application number: CN202222377391.1U
Authority: CN
Inventors: 葛双喜; 顾枢; 于晓菲
Original assignee: Nantong Cosco Shipping Heavy Industry Equipment Co ltd
Current assignee: Nantong Cosco Shipping Heavy Industry Equipment Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-20
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a heterotypic shipbuilding bridge crane girder, include by the top edge of a wing, connect the inclined plane, interior web, the bottom wing edge of a wing, box formula girder that outer web constitutes, the top edge of a wing, the bottom wing edge of a wing lies in top and bottom respectively, the top edge of a wing, bottom wing edge of a wing parallel arrangement, top edge of a wing width is less than the bottom wing edge of a wing, interior web, outer web lie in both sides respectively, interior web height is less than outer web, outer web is connected with the top edge of a wing, the bottom wing edge of a wing is perpendicular, the top edge of a wing is connected with interior web top through connecting the inclined plane, interior web sets up with the bottom wing edge of a wing is perpendicular. The device is designed with a special-shaped section, and the overall height of the hoisting structure can be reduced; the longitudinal ribs are arranged to enhance the strength of the integral main beam structure and avoid the deformation of the structure after long-time use; the partition plates are arranged to enhance the stability of the main beam structure; the hoisting structure assembled by the device and the upper and lower trolleys has the advantages that the height of the whole hoisting structure is reduced, the height space required by equipment can be reduced, the upper space is reduced, and the investment of an external factory building of the hoisting structure is saved.

Description

Special-shaped shipbuilding bridge crane main beam

Technical Field

The utility model relates to a girder field, in particular to heterotypic shipbuilding bridge crane girder.

Background

The shipbuilding bridge crane is usually designed into an upper trolley type double-trolley considering the turning over of a large-sized component, and at the moment, the trolley occupies more clearance height of an upper-layer workshop, so that the investment is increased. In order to meet the requirement of the existing control cost, the overhead height below the lifting hook needs to be not changed, and meanwhile, the upper-layer space is reduced, so that a large amount of factory building investment cost can be saved.

Publication number CN 201793319U's patent application discloses a hoist girder, including being used for installing the orbital girder upper cover plate of main dolly, relative main web and the vice web that sets up, main web and vice web respectively fixed mounting on the girder upper cover plate and perpendicular to girder upper cover plate, apron under the girder relative with girder upper cover plate position, the apron is connected between main web and vice web under the girder, the girder still includes the attached roof beam that is used for vice dolly walking, attach roof beam fixed mounting and lie in girder lower cover plate one end on the main web. The utility model discloses two dolly operation about making a pair girder can realize simultaneously, compact structure has practiced thrift the manufacturing cost of hoist, has reduced the high requirement of factory building, installs and attaches the roof beam in the girder bottom setting, and vice dolly of walking occupies girder bottom operating area.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heterotypic shipbuilding bridge crane girder installs and arranges the compactness between installation dolly and girder, reduces hoisting structure overall height, reduces the cost input of factory building.

The utility model adopts the technical proposal that:

heterotypic shipbuilding bridge crane girder includes the box girder that comprises top flange, heterotypic top flange, inner web, bottom flange, outer web, its characterized in that: the upper flange and the lower flange are respectively positioned at the top and the bottom and are arranged in parallel, the width of the upper flange is smaller than that of the lower flange, the inner web and the outer web are respectively positioned at two sides, the height of the inner web is lower than that of the outer web, the outer web is vertically connected with the upper flange and the lower flange, the upper flange is connected with the top end of the inner web through a special-shaped inclined plane, and the inner web is vertically arranged with the lower flange.

Furthermore, the top of the special-shaped inclined plane is a longitudinally arranged special-shaped upper flange, the bottom of the special-shaped inclined plane is a transversely arranged special-shaped lower flange, a lower trolley track is fixed on the special-shaped lower flange through bolts, and the position of the lower trolley becomes lower when the lower trolley is installed.

Further, the maintenance platform is arranged on the outer side of the outer web plate, workers can conveniently and fast maintain the outer web plate, and safety is high.

Furthermore, an upper trolley track is arranged on one side of the upper portion of the outer web plate on the surface of the upper flange, a drag chain support is arranged on the other side of the upper portion of the upper flange, and a railing is arranged outside the drag chain support.

Further, be equipped with the baffle in the box that top flange, inner web, bottom flange, outer web, abnormal shape inclined plane are constituteed, and the welding of top flange, inner web, bottom flange, outer web, abnormal shape inclined plane inside wall is indulged the muscle, indulges the muscle and runs through the baffle, sets up the baffle, strengthens the intensity of girder structure, sets up and indulges the muscle, increases the intensity of girder both sides web.

Further, a hoisting structure based on heterotypic shipbuilding bridge crane girder, the girder that both sides set up relatively, the inner web of girder of both sides sets up relatively, places lower dolly on the relative lower dolly track of both sides, places the dolly on the last dolly track on the upper flange, and lower dolly is located the dolly below.

Further, a cable drag chain is placed on the drag chain bracket on the upper flange.

Compared with the prior art, the utility model, following beneficial effect has:

1. the device of the utility model is designed with a special-shaped cross section, the upper trolley runs on the upper trolley track at the outer side of the top of the girder, the lower trolley runs on the lower trolley track at the bottom of the special-shaped inclined plane, the arrangement between the upper and lower trolleys and the girder is compact, and the overall height of the hoisting structure is reduced while the clearance height below the lifting hook is not changed;

2. the device of the utility model is provided with longitudinal ribs welded on the upper flange, the inner web plate, the lower flange, the outer web plate and the inner side wall of the abnormal-shaped inclined plane, thereby strengthening the strength of the whole girder structure and avoiding the deformation of the structure after long-term use;

3. the utility model is provided with a clapboard in the box body consisting of the upper flange, the inner web, the lower flange, the outer web and the abnormal-shaped inclined plane, thus enhancing the stability of the main beam structure;

4. the utility model discloses the device is with the jack-up structure that upper and lower dolly was assembled, and the dolly can follow the dolly and pass down, easily realizes the operation of standing up of segmentation, and the fixed position height of dolly is low down, and whole jack-up structure highly descends, can reduce the high space that equips the needs, reduces upper space, practices thrift the investment of the outside factory building of jack-up structure.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

fig. 2 is a schematic view of the lifting structure of the present invention;

FIG. 3 is a schematic view of a portion a of FIG. 1 according to the present invention;

fig. 4 is a structural diagram of the abnormal-shaped inclined plane of the present invention.

Wherein: 1. an upper flange; 2. a special-shaped upper flange; 3. an inner web; 4. a partition plate; 5. longitudinal ribs; 6. a lower flange; 7. an outer web; 8. overhauling the platform; 9. an upper trolley track; 10. a tow chain support; 11. a railing; 12. a trolley rail is arranged; 13. a special-shaped inclined plane; 14. a special-shaped bottom flange; 15. mounting a trolley; 16. a lower trolley; 17. a cable drag chain; 18. a main beam.

Detailed Description

As shown in fig. 1-4, the special-shaped shipbuilding bridge crane girder comprises a box girder 18 composed of an upper flange 1, a special-shaped upper flange 2, an inner web 3, a lower flange 6 and an outer web 7, and is characterized in that the upper flange 1 and the lower flange 6 are respectively positioned at the top and the bottom, the upper flange 1 and the lower flange 6 are arranged in parallel, the width of the upper flange 1 is smaller than that of the lower flange 6, the inner web 3 and the outer web 7 are respectively positioned at two sides, the height of the inner web 3 is lower than that of the outer web 7, the outer web 7 is vertically connected with the upper flange 1 and the lower flange 6, the upper flange 1 is connected with the top end of the inner web 3 through a special-shaped inclined plane 13, and the inner web 3 is vertically arranged with the lower flange 6. The utility model discloses the device is heterotypic cross-section design, goes up dolly 15 and moves on the last dolly track 9 in the 18 top outsides of girder, and lower dolly 16 moves on the lower dolly track 12 in heterotypic inclined plane 13 bottom, arranges the compactness between upper and lower dolly and girder 18, when not changing lifting hook below headroom, reduces jack-up structure overall height.

The top of the special-shaped inclined plane 13 is a longitudinally arranged special-shaped upper flange 2, the bottom of the special-shaped inclined plane is a transversely arranged special-shaped lower flange 14, a lower trolley track 12 is fixed on the special-shaped lower flange 14 through bolts, and the lower trolley is lowered in position during installation, so that the height of the whole crane is reduced. 7 outsides in outer web set up maintenance platform 8, and the workman of being convenient for goes to overhaul the device, and the security is high.

An upper trolley track 9 is arranged on one side above an outer web 7 on the surface of the upper flange 1, a drag chain support 10 is arranged on the other side, and a railing 11 is arranged outside the drag chain support 10. Be equipped with baffle 4 in the box that top flange 1, inner web 3, bottom flange 6, outer web 7, heterotypic inclined plane 13 are constituteed, strengthen the support intensity of girder, strengthen the stability of girder structure, the welding of top flange 1, inner web 3, bottom flange 6, outer web 7, the 13 inside walls on heterotypic inclined plane has indulges muscle 5, indulges muscle 5 and runs through baffle 4, indulges the setting of muscle 5, strengthens the intensity of both sides web, avoids long-time use the back, and the web is curved down and is out of shape.

A hoisting structure of a bridge crane girder for specially-shaped shipbuilding comprises girders 18 arranged oppositely on two sides, wherein inner webs 3 of the girders 18 on the two sides are arranged oppositely, lower trolleys 16 are arranged on lower trolley tracks 12 opposite on the two sides, upper trolleys 15 are arranged on upper trolley tracks 9 on upper flanges 1, and the lower trolleys 16 are positioned below the upper trolleys 15. And a cable drag chain 17 is placed on the drag chain bracket 10 on the upper flange 1. This device and hoisting structure who assembles of upper and lower dolly, lower dolly can pass under the dolly from the upper carriage, easily realizes the operation of standing up of segmentation, and the fixed position height of dolly is low down, and whole hoisting structure highly descends, can reduce the high space that equips needs, reduces upper space, practices thrift the investment of the outside factory building of hoisting structure.

When the device is used, equipment such as electrical cabinets and cables are arranged in the main beam 18, the transverse movement of the hoisting structure of the upper trolley 15 or the lower trolley 16 is controlled according to operation requirements, the lower trolley 16 can penetrate through the upper trolley 15, the segmented turnover operation is easily realized, the operation is more convenient, the clearance height below the lifting hook is not changed, the later maintenance is convenient, the main beam 18 of the device is used, the upper space of a factory building of about 1 meter can be reduced, the investment is obviously reduced, and the cost is greatly saved.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to be included within the scope of the present invention as defined in the appended claims.

Claims

1. Heterotypic shipbuilding bridge crane girder includes the box girder that comprises top flange, connection inclined plane, inner web, bottom flange, outer web, its characterized in that: the upper flange and the lower flange are respectively located at the top and the bottom and are arranged in parallel, the width of the upper flange is smaller than that of the lower flange, the inner web and the outer web are respectively located at two sides, the height of the inner web is lower than that of the outer web, the outer web is vertically connected with the upper flange and the lower flange, the upper flange is connected with the top end of the inner web through a connecting inclined plane, and the inner web is vertically arranged with the lower flange.

2. The special-shaped shipbuilding bridge crane girder according to claim 1, characterized in that: the top of the connecting inclined plane is a longitudinally arranged upper flange, the bottom of the connecting inclined plane is a transversely arranged lower flange, and a lower trolley track is fixed on the lower flange through a bolt.

3. The special-shaped shipbuilding bridge crane girder according to claim 1, characterized in that: and an overhauling platform is arranged on the outer side of the outer web plate.

4. The special-shaped shipbuilding bridge crane girder according to claim 1, characterized in that: on the surface of the upper flange, an upper trolley track is arranged on one side above the outer web plate, a drag chain support is arranged on the other side, and a railing is arranged outside the drag chain support.

5. The special-shaped shipbuilding bridge crane girder according to claim 1, characterized in that: the box that top flange, inner web, bottom flange, outer web, connection inclined plane are constituteed is equipped with the baffle in, and top flange, inner web, bottom flange, outer web, the welding of connection inclined plane inside wall have indulges the muscle, indulges the muscle and runs through the baffle.

6. A hoisting structure of the bridge crane girder for the special-shaped shipbuilding according to claim 1, characterized in that: the device comprises girders with two opposite sides, wherein inner webs of the girders with two sides are arranged oppositely, lower trolleys are placed on lower trolley tracks with two opposite sides, upper trolleys are placed on upper trolley tracks on upper flanges, and the lower trolleys are positioned below the upper trolleys.

7. The hoisting structure based on the special-shaped shipbuilding bridge crane girder according to claim 6, characterized in that: and a cable drag chain is arranged on the drag chain bracket on the upper flange.