CN109468942B

CN109468942B - Barge type pontoon bridge flexible connecting device

Info

Publication number: CN109468942B
Application number: CN201811355420.6A
Authority: CN
Inventors: 徐双喜; 文豪; 崔连正; 吴卫国
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuzhou Qunsheng Ship Design Engineering Co ltd
Priority date: 2018-11-14
Filing date: 2018-11-14
Publication date: 2020-09-01
Anticipated expiration: 2038-11-14
Also published as: CN109468942A

Abstract

The invention provides a flexible connecting device of barge-type pontoon bridge, which has the function of universal hinge and is suitable for the corner generated by various external loads at the barge joint by movably arranging box girder components in a slot at the end part of the barge, transverse and longitudinal rotating shafts among the components and a buffer device among all movable parts; the assembly and disassembly are convenient, various use requirements in normal times and flood periods are met, and the safe and reliable connection between the barges is realized.

Description

Barge type pontoon bridge flexible connecting device

Technical Field

The invention belongs to the field of barge type floating bridges, and particularly relates to a flexible connecting device for barge type floating bridges.

Background

Barge floating bridges are required to be used as platforms and channels for water construction (such as bridge repairing and other operations); in the flood period, the traffic and disaster relief process can be seriously influenced by submerging or flushing part of the bridge. At present, barge type temporary floating bridges are commonly used, buoyancy is provided through barges, and a deck is used as a passage, so that the safety is high. The existing barges are connected with each other through a steel wire rope, and are tensioned and fixed by a winch and a bollard, so that the winch and the bollard occupy a larger deck area and the barge is required to have a larger width; when large loads such as vehicles pass through, the steel wire rope is stressed greatly and has high requirements on the strength of the steel wire rope; the flexibility of the steel wire rope is large, the two ship joints are easy to separate, and certain potential safety hazards exist.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the flexible connecting device of the barge-type pontoon bridge has a universal hinge function and is suitable for corners generated by various external loads at joints; the assembly and disassembly are convenient, and various use requirements in ordinary times and flood periods are met; and a safe and reliable connection between the barge and the barge is realized.

The technical scheme adopted by the invention for solving the technical problems is as follows: a flexible connecting device of a barge-type pontoon bridge comprises a slot, a box girder assembly, a rotating shaft, a fixing device and buffer rubber; the open slot is arranged at the end of the barge, a general column vertical to the open slot bottom plate is fixed in the open slot, and the upper end of the general column is higher than the open slot bottom plate; the box girder assembly comprises end girder sections and a middle girder section, wherein the end girder sections are provided with round holes matched with the upper ends of the general columns, the end girder sections are placed inside the slots and sleeved on the general columns through the round holes to freely rotate, and the middle girder section is arranged between two adjacent end girder sections; the rotating shaft comprises a transverse shaft and a longitudinal shaft, wherein the transverse shaft is arranged at the intersection of the end beam section and the middle beam section and is used for connecting the end beam section and the middle beam section to enable the middle beam section to rotate around the transverse shaft, and the longitudinal shaft is arranged at the intersection of the two middle beam sections and is used for connecting the two middle beam sections to enable the two middle beam sections to rotate around the longitudinal shaft; the fixing device comprises a cross beam and a fixing plate, wherein the cross beam is placed above the end beam section and used for pressing the end beam section, and the fixing plate is arranged above two ends of the cross beam, is detachably arranged on the barge and is used for fixing the cross beam on a deck of the barge; cushion rubber is provided at the joint of two adjacent barges and near both sides of the barges for restricting the horizontal turning angle of the two barges.

According to the scheme, the slot is a cuboid, the bottom plate of the slot is flat, and the side plates of the slot have the strength which is not deformed due to the horizontal corners of the two barges.

According to the scheme, a rubber plate which is convenient to replace and used for preventing friction is arranged between the slotted bottom plate and the end beam section.

According to the scheme, square grooves matched with the cross beam are arranged on two sides of the groove.

According to the scheme, the connecting teeth which are matched with each other and have movable gaps are respectively arranged at the intersection of the end beam section and the middle beam section.

According to the scheme, one end of the transverse shaft is provided with the bolt, and the other end of the transverse shaft is provided with the cap.

According to the scheme, the intersecting ends of the two middle beam sections are provided with a groove for mounting the longitudinal shaft and an opening hole with the diameter slightly larger than that of the longitudinal shaft, so that the longitudinal shaft can rotate freely.

According to the scheme, the middle of the two middle beam sections is provided with the backing plate for buffering.

According to the scheme, the springboard is arranged to cover the upper part of the slots of two adjacent barges, one end of the springboard is movably connected to the deck of one barge, and the other end of the springboard is lapped on the adjacent barge and is used for enabling the springboard to rotate around the fixed end.

According to the scheme, the support columns which are parallel to the longitudinal axis and are shorter than the buffer rubber are arranged below the two sides of the barge, which are positioned on the gangway, and the buffer rubber is sleeved on the support columns and fixed on the slotted side plates.

The invention has the beneficial effects that:

1. the flexible connecting device for the barge-type pontoon has the function of universal winch and is suitable for corners generated by various external loads at barge joints.

2. The invention is convenient for assembly and disassembly, and meets various use requirements at ordinary times and in flood periods.

3. The invention realizes safe and reliable connection between barges.

Drawings

FIG. 1 is a top view of an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along line A-A of an embodiment of the present invention.

FIG. 3 is a cross-sectional view taken along line B-B of an embodiment of the present invention.

Fig. 4 is a diagram of a gangboard arrangement according to an embodiment of the present invention.

In the figure: 1. a barge; 2. grooving; 3. an end beam section; 4. a cross beam; 5. a general column; 6. a fixing plate; 7. a horizontal axis; 8. connecting teeth; 9. a middle beam section; 10. a groove; 11. a longitudinal axis; 12. a cushion rubber; 13. a base plate; 14. a rubber plate; 15. a springboard.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, the flexible connecting device for the barge-type pontoon according to the present invention comprises a slot 2 disposed at an end of the barge 1, wherein the slot 2 is a rectangular parallelepiped, a bottom plate of the slot 2 is flat, and side plates of the slot 2 have certain strength, so as to ensure that the slot 2 is not deformed by horizontal corners of the two barges.

A general column 5 which is a thick-wall steel pipe or a steel casting filled with cement is fixed in the open slot 2; the upper end of the military column 5 is exposed out of the bottom plate of the slot 2, and the outer surface of the part exposed out of the slot 2 is fixed with an anti-friction rubber plate 14 which is convenient to replace; the lower end extends to the bottom plate of the barge 1, is reliably welded with the bottom of the barge and is reinforced by the ribbed plates, so that the military column 5 has enough firmness.

Adjacent barges 1 are connected through an end beam section 3, two middle beam sections 9 and an end beam section 3 in sequence, wherein the end beam section 3 is placed in the slot 2, the end beam section 3 is provided with a round hole matched with the upper end of the general column 5, and the end beam section 3 is sleeved on the general column 5 through the round hole and freely rotates relative to the general column 5. An anti-friction rubber plate 14 which is convenient to replace is arranged between the end beam section 3 and the bottom plate of the slot 2.

The cross beam 4 is positioned above the end beam section 3 and used for pressing the end beam section 3; the both sides of fluting 2 are equipped with the square groove that matches with crossbeam 4, and the end of crossbeam 4 is embedded into square inslot, makes the upper surface and the deck parallel and level of crossbeam 4.

Fixing plates 6 are provided above both ends of the cross member 4 and are fixed to decks on both sides of the barge 1 by bolts for fixing the cross member 4 to the deck of the barge 1.

The intersection of the end beam section 3 and the middle beam section 9 is respectively provided with connecting teeth 8 which are matched with each other, and movable gaps are arranged between the adjacent connecting teeth 8; a cross shaft 7 penetrates through the mutually matched connecting teeth 8 and is used for connecting the end beam section 3 and the middle beam section 9 and enabling the middle beam section 9 to rotate around the cross shaft 7; one end of the cross shaft 7 is a bolt, and the other end is a cap. A longitudinal axis 11 is arranged to penetrate through the intersection of the two middle beam sections 9 for connecting the two middle beam sections 9 and enabling the two middle beam sections 9 to rotate around the longitudinal axis 11; the intersected ends of the two middle beam sections 9 are provided with a groove 10 for mounting a longitudinal shaft 11 and an opening with the diameter slightly larger than that of the longitudinal shaft 11, so that the longitudinal shaft 11 can rotate freely; a cushion plate 13 for buffering is arranged between the two middle beam sections 9. The above-mentioned partial equipment possesses the function of universal hinge, and can be used for adapting to the turning angle produced by various external loads at the barge joint.

A diving board 15 is covered above the slots 2 of two adjacent barges 1, one end of the diving board 15 is movably connected to the deck of one barge 1 through a rotating shaft, and the diving board 15 rotates around the rotating shaft; the other end is lapped on an adjacent barge 1. The ramp 15 has a degree of camber that allows it to withstand the strength of a vehicle.

The lower parts of the two sides of the gangway 15 of the barge 1 are connected with bracing columns through welding or bolts, and the bracing columns are parallel to the longitudinal axis 11; and a cylindrical buffer rubber 12 is arranged, the length of the cylindrical buffer rubber 12 is larger than that of the support column, the cylindrical buffer rubber is sleeved on the support column, a steel plate with a bolt hole is arranged on the section of the fixed end of the buffer rubber 12, and the cylindrical buffer rubber is fixed on the side plate of the open groove 2 through a bolt. The cushion rubber 12 is used to limit the horizontal corners of the two barges, and the internal brace has the function of preventing the cushion rubber 12 from being compressed too much and protecting the cushion rubber.

The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.

Claims

1. A flexible connection device for barge-type pontoon, which is characterized in that: comprises a slot (2), a box girder component, a rotating shaft, a fixing device and buffer rubber (12); wherein the slot (2) is arranged at the end part of the barge (1), a general column (5) which is vertical to the bottom plate of the slot (2) is fixed in the slot, and the upper end of the general column (5) is higher than the bottom plate of the slot (2); the box girder assembly comprises an end girder section (3) and a middle girder section (9), wherein the end girder section (3) is provided with a round hole matched with the upper end of the general column (5), the end girder section (3) is placed inside the slot (2) and sleeved on the general column (5) through the round hole to freely rotate, and the middle girder section (9) is arranged between two adjacent end girder sections (3); the rotating shaft comprises a transverse shaft (7) and a longitudinal shaft (11), wherein the transverse shaft (7) is arranged at the intersection of the end beam section (3) and the middle beam section (9) and is used for connecting the end beam section (3) and the middle beam section (9) to enable the middle beam section (9) to rotate around the transverse shaft (7), and the longitudinal shaft (11) is arranged at the intersection of the two middle beam sections (9) and is used for connecting the two middle beam sections (9) to enable the two middle beam sections (9) to rotate around the longitudinal shaft (11); the fixing device comprises a cross beam (4) and a fixing plate (6), wherein the cross beam (4) is placed above the end beam section (3) and used for pressing the end beam section (3), the fixing plate (6) is arranged above two ends of the cross beam (4), is detachably arranged on the barge (1) and is used for fixing the cross beam (4) at a deck of the barge (1); cushion rubbers (12) are provided at the joints of two adjacent barges (1) near both sides of the barges (1) for restricting the horizontal turning angles of the two barges.

2. A barge-type pontoon flexible connection device according to claim 1, wherein: the open slot (2) is a cuboid, the bottom plate of the open slot (2) is flat, and the side plates of the open slot (2) have the strength which is not deformed due to the horizontal corners of two barges.

3. A barge-type pontoon flexible connection device according to claim 1, wherein: and a rubber plate (14) which is convenient to replace and used for preventing friction is arranged between the bottom plate of the slot (2) and the end beam section (3).

4. A barge-type pontoon flexible connection device according to claim 1, wherein: and square grooves matched with the cross beam (4) are arranged on two sides of the open groove (2).

5. A barge-type pontoon flexible connection device according to claim 1, wherein: and connecting teeth (8) which are matched with each other and have movable gaps are respectively arranged at the intersection of the end beam section (3) and the middle beam section (9).

6. A barge-type pontoon flexible connection device according to claim 1, wherein: one end of the cross shaft (7) is a bolt, and the other end of the cross shaft is provided with a cap.

7. A barge-type pontoon flexible connection device according to claim 1, wherein: the intersecting ends of the two middle beam sections (9) are provided with a groove (10) for mounting a longitudinal shaft (11) and an opening hole with the diameter slightly larger than that of the longitudinal shaft (11) for enabling the longitudinal shaft (11) to rotate freely.

8. A barge-type pontoon flexible connection device according to claim 1, wherein: and a cushion plate (13) for buffering is arranged between the two middle beam sections (9).

9. A barge-type pontoon flexible connection device according to claim 1, wherein: a springboard (15) is arranged to cover the upper part of the slots (2) of two adjacent barges (1), one end of the springboard (15) is movably connected to the deck of one barge (1), and the other end of the springboard (15) is lapped on one adjacent barge (1) and is used for enabling the springboard (15) to rotate around the fixed end.

10. A barge-type pontoon flexible connection device according to claim 9, wherein: and support columns which are parallel to the longitudinal axis (11) and are shorter than the cushion rubber (12) are arranged below two sides of the gangway (15) of the barge (1), and the cushion rubber (12) is sleeved on the support columns and fixed on side plates of the slot (2).