CN112942064A

CN112942064A - Assembled detachable floating bridge

Info

Publication number: CN112942064A
Application number: CN202110468476.8A
Authority: CN
Inventors: 黄芳; 洪中航; 洪莉莉; 杜文凤
Original assignee: Guangdong Senkun Technology Co ltd
Current assignee: Jiangxi Senyue Deep Sea Equipment Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-06-11
Anticipated expiration: 2041-04-28
Also published as: CN112942064B

Abstract

The invention discloses an assembled detachable floating bridge, which comprises a bridge deck, a supporting piece, a fixed support, an air bag floating body and a balancing weight. Wherein, the below of bridge floor is equipped with a plurality of support piece along the bridge floor extending direction, support piece and the bottom fixed connection of bridge floor, and the one end correspondence that the bridge floor was kept away from to every support piece corresponds with a fixed bolster fixed connection, and in the gasbag body was fixed in the fixed bolster, the other end and the balancing weight fixed connection of fixed bolster, support piece, gasbag body and balancing weight from the top down arrange in proper order and constitute stacked structure. The invention adopts the bridge deck supporting structure design mainly comprising the supporting piece, the air bag floating body and the balancing weight, can eliminate the influence of unreasonable factors such as deflection, abrasion and the like of the supporting structure on the stability of the floating bridge compared with the supporting structure design such as a positioning pile and the like, can not cause pollution to the environment by adopting the air bag floating body design, and has the advantages of simple structure, convenient assembly, good comprehensive performance and high practicability.

Description

Assembled detachable floating bridge

Technical Field

The invention relates to the technical field of constructional engineering, in particular to an assembled detachable floating bridge.

Background

The floating bridge is a bridge which uses a buoyancy tank or an air bag to replace a pier and floats on the water surface. The traditional floating bridge has two main structural forms: one is in the form of erecting a beam on a ship or a buoyancy tank and then paving a bridge deck; the other is end-to-end or close-packed arrangement of the hulls in a belt. However, the conventional floating bridge has troublesome structural assembly and inconvenient use, and even the combination of some floating bridge structures has no buffering effect, so that when water flow is urgent, bridge bodies can be directly broken down, and the use is dangerous. In the aspect of manufacturing and installation, the structural form of the existing floating bridge system is complex, the floating bridge system is mostly built in a field construction mode, and the surrounding environment is greatly damaged. Moreover, the traditional floating bridge is complex to assemble and disassemble and is inconvenient to transport.

Most of the existing floating bridge systems are temporary and cannot be used for a long time, so that certain problems of environmental protection and cost are caused. Such as: in order to facilitate the fixing of the floating bridge, the floating bridge is usually connected to a positioning pile inserted into the lake bottom, and the impact between the positioning pile and the floating bridge easily causes the adverse factors of deflection, abrasion and the like of the positioning pile; for the pontoon bridge floats on the surface of water for being convenient for, be provided with buoyancy support component below the pontoon bridge usually, present buoyancy component adopts solid foam material usually, passes through the bolt with the pontoon bridge and installs to solid foam material on, because foam material intensity is low, the installation department is easy not hard up after a period of time. Meanwhile, the foam material has certain pollution to water.

Therefore, the existing floating bridge has the problems of insufficient environmental protection, troublesome assembly, poor stability, inconvenient disassembly and assembly and the like, so that the floating bridge has poor comprehensive performance and low practicability.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a pontoon bridge can be dismantled to assembled, designs a pontoon bridge of simplification, environmental protection and high stable strength, and its comprehensive properties is good, and the practicality is high.

In order to solve the technical problems, the invention adopts the technical scheme that:

an assembled detachable floating bridge comprises a bridge deck, a supporting piece, a fixed support, an air bag floating body and a balancing weight;

the lower part of the bridge floor is provided with a plurality of supporting pieces along the extension direction of the bridge floor, the supporting pieces are fixedly connected with the bottom of the bridge floor, one end of each supporting piece, which is far away from the bridge floor, is correspondingly and fixedly connected with one fixing support, the air bag floating body is fixed in the fixing support, the other end of the fixing support is fixedly connected with the balancing weight, and the supporting pieces, the air bag floating body and the balancing weight are sequentially arranged from top to bottom to form a laminated structure.

In conclusion, the beneficial effects of the invention are as follows: the utility model provides a pontoon bridge can be dismantled to assembled adopts support piece, gasbag body and balancing weight to give first place to the bridge deck bearing structure design, compares in bearing structure designs such as spud pile, can eliminate unreasonable factors such as bearing structure beat, wearing and tearing to the influence of pontoon bridge stability, adopts gasbag body design can not cause the pollution to the environment, simple structure, and the equipment is convenient, and comprehensive properties is good, and the practicality is high.

Drawings

FIG. 1 is a front view of the overall structure of an assembled floating pontoon according to the embodiment of the invention;

FIG. 2 is a side view of the overall structure of an assembled floating pontoon according to the embodiment of the invention;

FIG. 3 is a front view of a deck portion of a fabricated detachable pontoon according to an embodiment of the invention;

FIG. 4 is a side view of a deck section of a fabricated demountable floating bridge according to an embodiment of the present invention;

FIG. 5 is a front view of a support member of an assembled floating pontoon according to an embodiment of the invention;

FIG. 6 is a side view of a support member of an assembled demountable floating bridge according to an embodiment of the present invention;

FIG. 7 is a front view of a mounting bracket or the like of an assembled floating pontoon according to an embodiment of the invention;

fig. 8 is a side view of a structure of a fixing bracket and the like of an assembled type detachable pontoon according to the embodiment of the invention.

Description of reference numerals:

1. a bridge deck; 2. a support member; 3. fixing a bracket; 4. an airbag float; 5. a balancing weight; 6. an upper bottom surface; 7. a lower bottom surface; 8. round steel pipes; 9. a connecting plate; 10. an annular portion; 11. a chain portion; 12. a supporting strip; 13. forming a block; 14. and (4) H-shaped steel.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 8, an assembled detachable floating bridge includes a bridge deck 1, a support member 2, a fixed bracket 3, an air bag floating body 4 and a counterweight 5;

the lower portion of the bridge deck 1 is provided with a plurality of supporting pieces 2 along the extending direction of the bridge deck 1, the supporting pieces 2 are fixedly connected with the bottom of the bridge deck 1, one end, far away from the bridge deck 1, of each supporting piece 2 is correspondingly and fixedly connected with one fixing support 3, the air bag floating body 4 is fixed in the fixing support 3, the other end of the fixing support 3 is fixedly connected with the balancing weight 5, and the supporting pieces 2, the air bag floating body 4 and the balancing weight 5 are sequentially arranged from top to bottom to form a laminated structure.

From the above description, the beneficial effects of the present invention are: the utility model provides a pontoon bridge can be dismantled to assembled adopts support piece 2, gasbag body 4 and 1 bearing structure design of bridge floor that balancing weight 5 is leading, compares in bearing structure designs such as spud, can eliminate unreasonable factors such as bearing structure beat, wearing and tearing to the influence of pontoon bridge stability, adopts gasbag body 4 design can not cause the pollution to the environment, simple structure, and the equipment is convenient, and comprehensive properties is good, and the practicality is high.

Further, the support 2 comprises an upper bottom surface 6, a lower bottom surface 7 and a round steel tube 8;

the upper bottom surface 6 and the lower bottom surface 7 are stacked below the bridge deck 1, the upper bottom surface 6 and the lower bottom surface 7 are formed by splicing a plurality of I-shaped steel 14, and the adjacent I-shaped steel 14 are welded and fixed;

go up bottom surface 6 with the bottom of bridge floor 1 closely laminates and fixed connection, it keeps away from to go up bottom surface 6 the one side of bridge floor 1 is with a plurality of the one end fixed connection of circular steel tube 8 is a plurality of the other end of circular steel tube 8 with bottom surface 7 fixed connection down, bottom surface 7 keeps away from down the one side of circular steel tube 8 with fixed bolster 3 fixed connection.

As can be seen from the above description, the support member 2 is made of a rectangular steel structure consisting of the upper bottom surface 6, the lower bottom surface 7 and the circular steel tube 8, and is simple to assemble and disassemble and strong in stability. Moreover, the upper bottom surface 6 and the lower bottom surface 7 are formed by splicing I-shaped steel 14, so that the connection is convenient. The installation precision is high. The supporting piece 2 can be assembled and manufactured in advance, construction is not needed to be carried out on a bridge construction site, and the influence of site construction on the environment is reduced.

Further, the fixing bracket 3 includes a connecting plate 9, an annular portion 10 and a chain portion 11;

the end face of one end, far away from the bridge deck 1, of the support piece 2 is tightly attached to and fixedly connected with the connecting plate 9, one face, far away from the support piece 2, of the connecting plate 9 is fixedly connected with the annular portion 10, the annular portion 10 is fixedly connected with one end of the chain-shaped portion 11, the airbag floating body 4 is fixed in the annular portion 10, and the other end of the chain-shaped portion 11 is fixedly connected with the balancing weight 5.

As is apparent from the above description, the connection plates 9 serve as a good force transmission structure for transmitting the buoyancy force from the air bag floating bodies 4 upward as a lifting force for lifting the support member 2 and the deck 1, in addition to the function of placing the support member 2. The loop 10 serves to fix the airbag float 4. The balancing weight 5 is placed below the bridge deck 1 through the chain-shaped part 11 in a drooping mode, and stability of the bridge deck 1 is guaranteed. The fixed support 3 has simple structure and convenient assembly.

Further, the fixing bracket 3 further comprises a supporting strip 12;

the connecting plate 9 and the annular part 10 are fixedly connected through a plurality of supporting bars 12, and the extending directions of all the supporting bars 12 face or deviate from the circle center of the annular part 10.

As can be seen from the above description, the annular portion 10 supports the connecting plate 9 by a plurality of support bars 12. The geometric tangents of the support strips 12 and the annular part 10 are perpendicular to each other, so that the acting force of the air bag floating body 4 on each support strip 12 is closer, and the support structure of the whole floating bridge is more stable.

Further, the bridge deck 1 is formed by splicing a plurality of component blocks 13, and the adjacent component blocks 13 are welded and fixed;

the building block 13 is formed by splicing a plurality of I-shaped steel 14, and the adjacent I-shaped steel 14 are welded and fixed.

From the above description, it can be seen that the smallest component of the deck 1 is the i-beam 14, which is an economical section efficient section with optimized cross-sectional area distribution and more reasonable strength-to-weight ratio. The bridge deck 1 formed by splicing the I-shaped steel 14 is simple and attractive in structure, convenient to connect and high in installation precision.

Further, each of the supporting members 2 is located below the joint of the adjacent component blocks 13 in a one-to-one correspondence.

As can be seen from the above description, the support member 2 is disposed below the joint of the component blocks 13 for supporting. In other words, two ends of each component block 13 are respectively supported by one supporting piece 2, so that the floating bridge is more stable and is not easy to break.

Further, the bridge deck 1 and the support member 2, the support member 2 and the fixed bracket 3, and the fixed bracket 3 and the airbag floating body 4 are all assembled and connected.

As can be seen from the above description, the parts of the floating bridge are assembled and connected, so that the floating bridge is convenient to disassemble and assemble, the implementation construction and the recovery disassembly of the floating bridge are facilitated, and the bridge construction resources are saved.

Further, the assembly connection is a bolt connection.

As can be seen from the above description, the bolt connection is very firm in connection mode, high in strength and very convenient to disassemble.

Further, the sectional size of the i-steel 14 constituting the block 13 is HW400 × 400mm, and the sectional size of the i-steel 14 constituting the upper bottom surface 6 and the lower bottom surface 7 is HW300 × 300 mm.

From the above description, the sizes of the i-beams 14 are all common specifications in the market, and the purchase price is low, and no additional production processing is needed.

Further, the weight 5 is a concrete weight 5.

As can be seen from the above description, the concrete weight 5 is simple to manufacture and is not easily damaged.

Referring to fig. 1 and fig. 2, a first embodiment of the present invention is:

an assembled detachable floating bridge is shown in figures 1 and 2 and comprises a bridge deck 1, a support member 2, a fixed support 3, an air bag floating body 4 and a balancing weight 5. Wherein, the below of bridge floor 1 is equipped with a plurality of support piece 2 along 1 extending direction of bridge floor, support piece 2 and the bottom fixed connection of bridge floor 1, and the one end correspondence that bridge floor 1 was kept away from to every support piece 2 is with a fixed bolster 3 fixed connection, and gasbag body 4 is fixed in fixed bolster 3, the other end and the 5 fixed connection of balancing weight of fixed bolster 3. Specifically, the weight 5 may be a concrete weight 5. The supporting piece 2, the air bag floating body 4 and the balancing weight 5 are sequentially arranged from top to bottom to form a laminated structure.

In this embodiment, as shown in fig. 2, the floating bridge is mainly composed of a bridge deck 1, a support member 2, a fixed bracket 3, an air bag floating body 4 and a counterweight 5. Support piece 2, gasbag body 4 and balancing weight 5 from the top down arrange in proper order and form stacked structure for balancing weight 5 self perpendicular decurrent gravity and the buoyancy of gasbag body 4 keep balance in vertical direction, and it is clear and definite to pass the power route, and the atress form is reasonable, makes whole pontoon bridge erect on the surface of water steadily. The structural design of the whole floating bridge is simple and beautiful. The bridge floor 1 below corresponds sets up a plurality of bearing structure of the modularized design of constituteing by support piece 2, gasbag body 4, fixed bolster 3 and balancing weight 5, and the equipment is convenient, is different from the location structural design who takes the spud as the owner, and its spatial arrangement is more nimble, and construction cycle is short.

And the bridge deck 1 and the support piece 2, the support piece 2 and the fixed bracket 3 and the air bag floating body 4 are all in assembly connection. The assembly connection is preferably a bolt connection with high connection strength and good stability. In other equivalent embodiments, other assembly connections may be used for assembly.

Referring to fig. 1 to 6, a second embodiment of the present invention is:

an assembled detachable floating bridge is based on the first embodiment, and as shown in fig. 5 and 6, a support member 2 comprises an upper bottom surface 6, a lower bottom surface 7 and a round steel pipe 8. The upper bottom surface 6 and the lower bottom surface 7 are stacked below the bridge deck 1, the upper bottom surface 6 and the lower bottom surface 7 are formed by splicing a plurality of I-shaped steel 14, and adjacent I-shaped steel 14 are welded and fixed. Go up bottom surface 6 and the bottom of bridge floor 1 and closely laminate and fixed connection, go up bottom surface 6 and keep away from the one side of bridge floor 1 and the one end fixed connection of a plurality of circular steel tubes 8, the other end and the lower 7 fixed connection of bottom surface of a plurality of circular steel tubes 8, the one side and the 3 fixed connection of fixed bolster of circular steel tubes 8 are kept away from to lower bottom surface 7.

In this embodiment, the specific manufacturing process of the bridge deck 1 and the support member 2 is as follows:

first, as shown in fig. 3 and 4, 10 i-beams 14 with a cross-sectional size of HW400 × 400mm are aligned and spliced into a block 13. And adjacent I-shaped steel 14 are welded and fixed.

Next, as shown in fig. 1, a plurality of blocks 13 are spliced to form the deck 1. The adjacent component blocks 13 are welded and fixed. To this end, a deck 1 having a thickness of 400mm and a width of 4000mm is completed. The bridge deck 1 made of the I-shaped steel 14 has enough width to facilitate the running of vehicles on the floating bridge while maintaining good flatness.

Thirdly, as shown in fig. 5 and 6, 5 pieces of material with the cross-section size of HW300 × 300mm are spliced into the upper bottom surface 6 of the supporting member 2; the lower bottom surface 7 of the support 2 is spliced from 5 pieces of material having a cross-sectional size HW300 x 300 mm. Wherein, the thickness of the upper flange and the lower flange of the I-steel 14 is 15mm, and the thickness of the web plate is 10 mm. And adjacent I-shaped steel 14 are also welded and fixed.

Then, as shown in fig. 5 and 6, the upper bottom surface 6 and the lower bottom surface 7 are connected and fixed together by 6 round steel pipes 8 having a diameter of 180mm, a thickness of 10mm and a length of 3700 mm. The entire support 2 is now completely manufactured. The support 2 has a length of 4300mm, a height of 4300mm and a width of 2300 mm. The support 2 does not need to be manufactured on the construction site of the bridge, and can be manufactured into a finished product in advance in a factory.

Finally, as shown in figure 2, the support 2 is assembled and fixed under the deck 1. And, a support member 2 is correspondingly arranged below the joint of the adjacent composition blocks 13, so that the bridge deck 1 of the floating bridge is more stable.

In the embodiment, the i-beams 14 with the cross-sectional size of HW400 × 400mm and the i-beams 14 with the cross-sectional size of HW300 × 300mm are produced by steel mills according to national standards, are most widely circulated in the market and are most widely applied to traditional steel structures, and have low market purchase price without additional processing.

Referring to fig. 7 and 8, a third embodiment of the present invention is:

in addition to the first or second embodiment, as shown in fig. 7 and 8, the fixing bracket 3 includes a connecting plate 9, a supporting bar 12, a ring portion 10, and a chain portion 11. Wherein, the terminal surface and the connecting plate 9 of the one end that support piece 2 kept away from bridge floor 1 closely laminate and fixed connection, support piece 2 was kept away from to connecting plate 9 one side and annular portion 10 between through many support bars 12 fixed connection, all support bars 12's the extending direction all towards or deviate from the centre of a circle of annular portion 10, annular portion 10 and the one end fixed connection of chain form portion 11, gasbag body 4 is fixed in annular portion 10, the other end and 5 fixed connection of balancing weight of chain form portion 11.

In the embodiment, the connection plates 9 and the support 2, the ring parts 10 and the chain parts 11, and the ring parts 10 and the airbag floating bodies 4 are assembled and connected, so that the assembly and the disassembly are convenient. Specifically, the chain portion 11 may be connected and fixed by a circular chain having a length of 10 m. The ring portion 10 may be a balloon cuff. The connecting plate 9, the support bar 12 and the ring part 10 may be molded by casting. In the process of casting the component, a lost foam-sand mold composite casting process is adopted for production and casting. The composite process not only utilizes the advantages of high degree of freedom, easy foam processing and low price of the lost foam pattern design, avoids the problems of deformation and carburization, but also retains the advantages of stable sand casting mold and stable casting component and size.

In addition, in the present embodiment, as shown in fig. 8, in order to ensure that the structure has sufficient buoyancy, a cylinder with a diameter of 3000mm and a length of 6000mm is used as the structural form of the airbag floating body 4, and concrete is used as the counterweight instead of the original spud in the modeling design of the airbag floating body 4 and the concrete counterweight. The length of the concrete weight is 4200mm, the width is 3400mm, and the height is 2000 mm. The ring portion 10 is connected to the concrete by an iron chain. The diameter of the iron chain is 100mm, and the length is 10000 mm. The air bag floating body 4 is assembled and connected with the support piece 2 through three connecting plates 9, the length of each connecting plate 9 is 3200mm, and the thickness of each connecting plate is 12 mm. The parameters can be changed according to actual requirements.

In conclusion, the invention discloses an assembled detachable floating bridge, which adopts a bridge deck supporting structure design consisting of a supporting piece, a connecting plate, an annular part, an air bag floating body, a chain part and a balancing weight, can eliminate the influence of unreasonable factors such as deflection and abrasion of the supporting structure on the stability of the floating bridge compared with the supporting structure design of a positioning pile and the like, does not pollute the environment by adopting the air bag floating body structure, is assembled and fixed among all parts through bolts, has simple structure, is convenient to assemble, use, disassemble and recycle, has the advantages that most of selected materials are the existing standard components which can be purchased at low cost from the market, has low cost, short construction period for building the bridge, good comprehensive performance and high practicability.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the contents of the present specification and the drawings, or applied to the related technical fields directly or indirectly, are included in the scope of the present invention.

Claims

1. An assembled detachable floating bridge is characterized by comprising a bridge deck, a supporting piece, a fixed support, an air bag floating body and a balancing weight;

2. The fabricated detachable pontoon of claim 1, wherein the supporting member comprises an upper bottom surface, a lower bottom surface and a round steel pipe;

the upper bottom surface and the lower bottom surface are stacked below the bridge deck, the upper bottom surface and the lower bottom surface are formed by splicing a plurality of I-shaped steels, and the adjacent I-shaped steels are welded and fixed;

go up the bottom surface with the bottom of bridge floor closely laminates and fixed connection, it keeps away from to go up the bottom surface the one side of bridge floor is with a plurality of the one end fixed connection of circular steel tube, it is a plurality of the other end of circular steel tube with bottom surface fixed connection down, the bottom surface is kept away from down the one side of circular steel tube with fixed bolster fixed connection.

3. An assembled detachable pontoon according to claim 1, wherein the fixed bracket comprises a connecting plate, a ring-shaped part and a chain-shaped part;

the end face of one end, far away from the bridge deck, of the supporting piece is tightly attached to and fixedly connected with the connecting plate, one face, far away from the supporting piece, of the connecting plate is fixedly connected with the annular portion, the annular portion is fixedly connected with one end of the chain-shaped portion, the airbag floating body is fixed in the annular portion, and the other end of the chain-shaped portion is fixedly connected with the balancing weight.

4. The fabricated, demountable pontoon of claim 3, wherein the stationary frame further comprises a support bar;

the connecting plate with through many between the cyclic annular portion support bar fixed connection, all the extending direction of support bar all faces or deviates from the centre of a circle of cyclic annular portion.

5. The fabricated detachable floating bridge according to claim 2, wherein the bridge deck is formed by splicing a plurality of component blocks, and adjacent component blocks are welded and fixed;

the component blocks are formed by splicing a plurality of I-shaped steels, and the adjacent I-shaped steels are welded and fixed.

6. The fabricated detachable floating bridge according to claim 5, wherein each supporting member is located under the connection of the adjacent component blocks in a one-to-one correspondence.

7. The fabricated detachable floating bridge according to claim 1, wherein the fabricated connection is between the bridge deck and the supporting member, between the supporting member and the fixed bracket, and between the fixed bracket and the airbag floating body.

8. The fabricated detachable pontoon of claim 7, wherein the fabricated connection is a bolted connection.

9. The fabricated detachable pontoon of claim 5, wherein the i-beams constituting the blocks have a cross-sectional dimension of HW400 x 400mm, and the i-beams constituting the upper and lower bottom surfaces have a cross-sectional dimension of HW300 x 300 mm.

10. The fabricated detachable pontoon of claim 1, wherein the weight is a concrete weight.