阅读说明：本技术 一种气撑式刚柔组合轻型折叠浮桥 (Air-supported rigid-flexible combined light folding floating bridge ) 是由 甘进 罗伟宸 郑中毅 关凌恺 叶云凌 范文浩 李嘉辉 王思捷 王曦林 于 2021-08-26 设计创作，主要内容包括：本发明涉及一种气撑式刚柔组合轻型折叠浮桥,其中,包括多个浮桥单元和导缆组件,所述导缆组件依次穿过多个所述浮桥单元,以用于连接多个所述浮桥单元；多个所述浮桥单元均包括两个支撑框架、浮力组件以及连接组件；两个所述支撑框架平行设置,且两个所述支撑框架之间形成一夹持间隙；所述浮力组件设于所述夹持间隙中,所述浮力组件的体积可调；所述连接组件用于连接两个所述支撑框架,并用于调节两个所述支撑框架之间的高度差,以根据所述浮力组件的体积调节所述夹持间隙的大小；解决现有的气撑式刚柔组合轻型折叠浮桥的安装方式大多采用销接或铆接,安装、拆卸不便,耗时费力的问题。(The invention relates to an air-supported rigid-flexible combined light folding floating bridge, which comprises a plurality of floating bridge units and a cable guide assembly, wherein the cable guide assembly sequentially penetrates through the floating bridge units to be used for connecting the floating bridge units; each of the plurality of floating bridge units comprises two support frames, a buoyancy assembly and a connecting assembly; the two supporting frames are arranged in parallel, and a clamping gap is formed between the two supporting frames; the buoyancy assembly is arranged in the clamping gap, and the volume of the buoyancy assembly is adjustable; the connecting assembly is used for connecting the two supporting frames and adjusting the height difference between the two supporting frames so as to adjust the size of the clamping gap according to the volume of the buoyancy assembly; the problem of current gas brace formula rigid-flexible light-duty folding pontoon bridge's of combination mounting means mostly adopt pin joint or riveting, installation, dismantlement inconvenience, it is consuming time hard is solved.)

1. The air-supported rigid-flexible combined light folding floating bridge is characterized by comprising a plurality of floating bridge units and a cable guide assembly, wherein the cable guide assembly sequentially penetrates through the plurality of floating bridge units so as to be used for connecting the plurality of floating bridge units; each of the plurality of floating bridge units comprises two support frames, a buoyancy assembly and a connecting assembly;

the two supporting frames are arranged in parallel, and a clamping gap is formed between the two supporting frames;

the buoyancy assembly is arranged in the clamping gap, and the volume of the buoyancy assembly is adjustable;

the connecting assembly is used for connecting the two supporting frames and adjusting the height difference between the two supporting frames so as to adjust the size of the clamping gap according to the volume of the buoyancy assembly.

2. The air-supported rigid-flexible combined lightweight folding floating bridge according to claim 1, wherein a wrapping rubber layer is fixedly connected to each of opposite sides of the two support frames, each of opposite sides of the wrapping rubber layers is provided with an arc-shaped groove, and the top and bottom of the buoyancy module are respectively embedded in the two arc-shaped grooves so as to fix the buoyancy module relative to the two support frames.

3. The inflatable rigid-flexible combined light folding floating bridge according to claim 1, wherein the buoyancy module comprises an air bag, the air bag is arranged in the clamping gap, and the top and the bottom of the air bag are respectively abutted against the two supporting frames.

4. The inflatable rigid-flexible combined light folding floating bridge according to claim 3, wherein the buoyancy module further comprises an inflation and deflation member, and the inflation and deflation member is communicated with the air bag for inflating and deflating the air bag.

5. The inflatable rigid-flexible combined light folding floating bridge according to claim 3, wherein the number of the airbags is multiple, the airbags are all in a long columnar shape, the length of the airbags corresponds to that of the supporting frame, and the airbags are sequentially arranged in the width direction of the supporting frame at equal intervals.

6. The air-supported rigid-flexible combined light folding floating bridge according to claim 1, wherein two ends of the buoyancy module are respectively connected with the two support frames through two flexible connecting belts.

7. The airsupporting rigid-flexible combined light folding floating bridge according to claim 1, wherein the connecting assembly comprises at least two connecting rods, at least one connecting rod is arranged on each of two sides of the buoyancy assembly, one end of each connecting rod is hinged with one of the supporting frames, and the other end of each connecting rod is slidably hinged with the other supporting frame.

8. The lightweight inflatable rigid-flexible combined folding pontoon according to claim 7, wherein the connecting member further comprises a stopper corresponding to the connecting rod, the stopper having two stopper ends, the buoyancy member having a maximum inflated state and a maximum deflated state, one of the stopper ends abutting against the connecting rod for restricting sliding of the other end of the connecting rod when the buoyancy member is in the maximum inflated state, and the other stopper end abutting against the connecting rod for restricting sliding of the other end of the connecting rod when the buoyancy member is in the maximum deflated state.

9. The air-supported rigid-flexible combined light folding floating bridge according to claim 8, wherein the limiting member comprises a limiting rod, a first air cylinder and a second air cylinder, the limiting rod is fixedly arranged on the supporting frame, the other end of the connecting rod is slidably hinged to the supporting frame through the limiting rod, the first air cylinder and the second air cylinder are both fixedly arranged on the supporting frame, the output ends of the first air cylinder and the second air cylinder are two limiting ends, and the air inlet end of the first air cylinder is communicated with the buoyancy assembly.

10. The airsupported rigid-flexible combined light-duty folding pontoon according to claim 7, wherein the connecting assembly further comprises two adjusting rods corresponding to the connecting rods one to one, opposite ends of the two adjusting rods are hinged via a central hinge base, and opposite ends of the two adjusting rods are hinged to the two supporting frames respectively.

Technical Field

The invention relates to the technical field of portable traffic hub erection devices on water, in particular to an air-supported rigid-flexible combined light folding floating bridge.

Background

The floating bridge is used as temporary communication equipment, and the future development trend of the functions of the floating bridge is bound to require that the floating bridge has the advantages of good maneuvering performance, light structural weight, generalization, serialization, modularization, reliability, maintainability and good guarantee.

For example, the invention patent with application number CN202010043696.1 proposes an air-supported rigid-flexible combined light folding pontoon reinforced by cables, wherein the load-bearing capacity and stability of the pontoon are effectively improved by adding support frames and reinforcing cables on both sides of the air-supported rigid-flexible combined light folding pontoon and by using the tension of the reinforcing cables.

However, most of the floating bridges are installed by pin joint or riveting, so that the installation and the disassembly are inconvenient, time-consuming and labor-consuming.

Disclosure of Invention

In view of this, it is necessary to provide an air-supported rigid-flexible combined light folding floating bridge for solving the problems of inconvenient installation and disassembly, time consuming and labor consuming due to the pin joint or riveting in most of the installation methods of the existing air-supported rigid-flexible combined light folding floating bridge.

The invention provides an air-supported rigid-flexible combined light folding floating bridge, which comprises a plurality of floating bridge units and a cable guide assembly, wherein the cable guide assembly sequentially penetrates through the plurality of floating bridge units so as to be used for connecting the plurality of floating bridge units; each of the plurality of floating bridge units comprises two support frames, a buoyancy assembly and a connecting assembly; the two supporting frames are arranged in parallel, and a clamping gap is formed between the two supporting frames; the buoyancy assembly is arranged in the clamping gap, and the volume of the buoyancy assembly is adjustable; the connecting assembly is used for connecting the two supporting frames and adjusting the height difference between the two supporting frames so as to adjust the size of the clamping gap according to the volume of the buoyancy assembly.

Furthermore, one side, opposite to the two support frames, of each support frame is fixedly connected with a wrapping rubber layer, arc-shaped grooves are formed in one side, opposite to the wrapping rubber layers, of each wrapping rubber layer, and the top and the bottom of the buoyancy assembly are respectively clamped and embedded in the two arc-shaped grooves so that the buoyancy assembly is fixed relative to the two support frames.

Further, the buoyancy assembly comprises an air bag, the air bag is arranged in the clamping gap, and the top and the bottom of the air bag are respectively abutted to the two supporting frames.

Furthermore, the buoyancy assembly further comprises an inflation and deflation part, and the inflation and deflation part is communicated with the air bag and used for inflating and deflating the air bag.

Further, the quantity of gasbag is a plurality of, and is a plurality of the gasbag all is rectangular column, the length of gasbag with braced frame's length is corresponding, and is a plurality of the gasbag is followed braced frame's width direction equidistance sets gradually.

Furthermore, two ends of the buoyancy assembly are respectively connected with the two support frames through two flexible connecting bands.

Further, coupling assembling includes two at least connecting rods, buoyancy assembly's both sides all are provided with one at least the connecting rod, the one end of connecting rod with one of them braced frame is articulated, the other end and another of connecting rod braced frame slides articulatedly.

Further, coupling assembling still include with the locating part of connecting rod one-to-one, the locating part has two spacing ends, buoyancy module has the biggest inflation state and the biggest gassing state, works as when buoyancy module is in the biggest inflation state, one of them spacing end with the connecting rod is contradicted for injecing the slip of the other end of connecting rod, works as when buoyancy module is in the biggest gassing state, another spacing end with the connecting rod is contradicted for injecing the slip of the other end of connecting rod.

Furthermore, the locating part includes gag lever post, first cylinder and second cylinder, the gag lever post is fixed to be located braced frame is last, the other end of connecting rod via the gag lever post with braced frame slides articulatedly, first cylinder with the second cylinder is all fixed to be located braced frame is last, the output of first cylinder with the second cylinder is two spacing end, the inlet end of first cylinder with buoyancy component is linked together.

Furthermore, coupling assembling still include in two of connecting rod one-to-one adjust the pole, two the one end that adjusts the pole relative is articulated via a center hinge seat, two the one end that adjusts the pole and carry on the back mutually respectively with two braced frame is articulated.

Compared with the prior art, a plurality of pontoon bridge units are connected via the chock cable subassembly, the installation, it is convenient to dismantle, through connecting two braced frames through setting up coupling assembling, two braced frame parallel arrangement, locate the centre gripping clearance that forms between two braced frames through buoyancy subassembly, buoyancy subassembly adjustable its volume size, in-process when using, adjust buoyancy subassembly volume size, make the centre gripping clearance between two braced frames the biggest, in-process not using, adjust buoyancy subassembly volume size, centre gripping clearance between two braced frames is the minimum, convenient to carry, the connected form of pontoon bridge unit has been optimized, construction environment's restraint has been overcome, make the pontoon bridge can adapt to more scenes and fields, and the device is significant.

Drawings

Fig. 1 is a schematic structural diagram of the whole body of the air-supported rigid-flexible combined light folding floating bridge in the embodiment of the invention;

FIG. 2 is a schematic structural view of the connection between the support frame and the buoyancy module in the embodiment of the air-supported rigid-flexible combined light folding floating bridge provided by the invention;

fig. 3 is a schematic structural view of a connecting assembly in this embodiment of the air-supported rigid-flexible combined light folding pontoon according to the invention;

fig. 4 is a schematic structural view of a limiting member in the present embodiment of the air-supported rigid-flexible combined light folding pontoon according to the invention;

fig. 5 is a schematic structural view of a support frame in the embodiment of the air-supported rigid-flexible combined light folding floating bridge provided by the invention.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.

As shown in fig. 1, the air-supported rigid-flexible combined lightweight folding pontoon according to the embodiment includes a plurality of pontoon units and a fairlead assembly 400, wherein the fairlead assembly 400 sequentially passes through the pontoon units for connecting the pontoon units; the plurality of pontoon units each comprise two support frames 100, buoyancy modules 200 and connecting modules 300, wherein the buoyancy assembly 200 is provided between the two support frames 100, the two support frames 100 are connected via the connection assembly 300, during inflation and deflation of the buoyancy assembly 200, the volume of the buoyancy assembly 200 may be adjusted, thereby adjusting the relative distance between the two support frames 100, and, at the same time, under the action of the connecting assembly 300, in the process of the adjustment, the two supporting frames 100 are always arranged in parallel, the volume of a single floating bridge unit is small, after all the gas of the buoyancy assembly 200 is discharged, the distance between the two supporting frames 100 is the smallest, the volume of the whole floating bridge unit is the smallest, the floating bridge unit is convenient to carry, and when in use, only the buoyancy module 200 needs to be inflated, instead of the complex installation and disassembly method of the conventional pontoon, which will be explained and illustrated in more detail below.

The two support frames 100 in this embodiment are arranged in parallel, and a clamping gap is formed between the two support frames 100.

The two support frames 100 are arranged along the vertical direction, the upper support frame 100 is a structure for stepping, and the lower support frame 100 and the upper support frame 100 are matched to form a clamping gap for placing the buoyancy assembly 200.

The buoyancy module 200 in this embodiment is disposed in the clamping gap, and the volume of the buoyancy module 200 is adjustable.

Wherein, its volume size is adjusted to buoyancy module 200 accessible inflation and deflation to be used for adjusting the size in centre gripping clearance, buoyancy module 200 has certain buoyancy after aerifing, and the buoyancy size supplies the load size that normal pontoon bridge can bear, and buoyancy module 200 adopts the structure of inflatable, through inflating and deflating buoyancy module 200, changes its volume and buoyancy size.

The connection assembly 300 in this embodiment is used to connect two support frames 100 and to adjust a height difference between the two support frames 100 to adjust the size of the clamping gap according to the volume of the buoyancy assembly 200.

In the process of changing the volume of the buoyancy module 200, the size of the clamping gap between the two support frames 100 is changed, and the two support frames 100 are connected by the connection module 300, so that the two support frames 100 can always keep parallel in the above position changing process.

In order to make the buoyancy module 200 be limited to be located in the clamping gap, a wrapping rubber layer 120 is fixedly connected to each of opposite sides of the two support frames 100 in this embodiment, the arc-shaped grooves 110 are formed in each of opposite sides of the two wrapping rubber layers 120, and the top and the bottom of the buoyancy module 200 are respectively embedded in the two arc-shaped grooves 110 so as to fix the buoyancy module 200 relative to the two support frames 100.

As shown in fig. 2, the buoyancy module 200 of the present embodiment includes an air bag 210, the air bag 210 is disposed in the clamping gap, and the top and the bottom of the air bag 210 are respectively disposed to interfere with the two support frames 100.

In order to facilitate inflation and deflation of the air bag 210, the buoyancy module 200 in this embodiment further includes an inflation and deflation component 220, and the inflation and deflation component 220 is communicated with the air bag 210 for inflation and deflation of the air bag 210.

The inflation and deflation assembly comprises an air pump, the output end of the air pump is communicated with the inside of the air bag 210 so as to be used for inflating and deflating the air bag 210, and it can be understood that the inflation and deflation assembly can be replaced by structures in other forms as long as the functions can be realized.

Since the air cells 210 are generally in the shape of a long column, if the air cells 210 are too large, the contact area between the air cells 210 in the maximum inflation state and the support frame 100 is too small, and if the air cells 210 are too small, the air cells 210 are not sufficient to stably support the entire support frame 100, in order to solve the above problem, the number of the air cells 210 in the present embodiment is plural, the plural air cells 210 are all in the shape of a long column, the length of the air cells 210 corresponds to the length of the support frame 100, and the plural air cells 210 are sequentially arranged at equal intervals in the width direction of the support frame 100.

To prevent lateral movement of the air bags 210, the buoyancy module 200 in this embodiment is connected at both ends to the two support frames 100 by two flexible connecting straps, respectively.

As shown in fig. 3, the connection assembly 300 in this embodiment includes at least two connection rods 310, at least one connection rod 310 is disposed on each side of the buoyancy assembly 200, one end of the connection rod 310 is hinged to one of the support frames 100, and the other end of the connection rod 310 is slidably hinged to the other support frame 100.

The top end of the connecting rod 310 is hinged to the supporting frame 100 above through a fixed hinge seat, the bottom end of the connecting rod 310 is slidably hinged to the supporting frame 100 below through a sliding block, specifically, the bottom end of the connecting rod 310 is hinged to the supporting frame 100 below, and the sliding block is slidably connected to the supporting frame 100 below.

The connection assembly 300 in this embodiment further includes the position-limiting members 320 corresponding to the connection rods 310 one to one, the position-limiting members 320 have two position-limiting ends, the buoyancy assembly 200 has a maximum inflation state and a maximum deflation state, when the buoyancy assembly 200 is in the maximum inflation state, one of the position-limiting ends abuts against the connection rods 310 for limiting the sliding of the other ends of the connection rods 310, when the buoyancy assembly 200 is in the maximum deflation state, the other position-limiting end abuts against the connection rods 310 for limiting the sliding of the other ends of the connection rods 310, and by setting the cooperation between the position-limiting members 320 and the connection rods 310, the buoyancy assembly 200 can be stably in the maximum inflation state and the maximum deflation state.

As shown in fig. 4, the limiting member 320 includes a limiting rod 321, a first cylinder 322 and a second cylinder 323, the limiting rod 321 is fixedly disposed on the supporting frame 100, the other end of the connecting rod 310 is slidably hinged to the supporting frame 100 via the limiting rod 321, the first cylinder 322 and the second cylinder 323 are both fixedly disposed on the supporting frame 100, the output ends of the first cylinder 322 and the second cylinder 323 are two limiting ends, the air inlet end of the first cylinder 322 is communicated with the buoyancy module 200, and the slider is slidably connected to the limiting rod 321.

Specifically, the first cylinder 322 is connected with the air bag 210 at one end close to the air delivery pipe, a spring and a piston connected with the bottom of the cylinder are arranged at one side close to the limiting rod 321, after the air bag 210 is deflated, the air pressure in the cylinder of the first cylinder 322 is low, the deformation of the spring is small, the piston is close to one side of the air delivery pipe, one end of the piston is far away from the limiting rod 321, and the movement of the sliding block is not influenced; after the air bag 210 is inflated, the cylinder internal pressure of the first air cylinder 322 is high, the spring shape is enlarged, the first air cylinder is in a compressed state, the piston is close to the limiting rod 321, and one side of the piston is positioned on the traveling path of the sliding block to limit the movement of the sliding block.

The second cylinder 323 is not sealed at one end close to the gas transmission pipe, a spring and a piston are fixed at the bottom of the second cylinder 323, and an opening for ensuring the air tightness is arranged at one end of the second cylinder 323 close to the sliding block and the limiting rod 321 for ensuring the movement of the piston. After the air bag 210 is deflated, the air pressure in the air bag cylinder 323 is lower, the spring is reduced in size, the piston is close to one side of the limiting rod 321, one end of the piston is located on the traveling route of the sliding block, the sliding block is limited to move, the air bag 210 is in an inflation state, the air pressure in the air bag cylinder 323 is higher, the spring is increased in size and is in a compression state, the piston is close to one side of the air pipe, the piston is far away from the limiting rod 321, and the movement of the sliding block is not influenced.

In order to prevent the relative movement between the two support frames 100 along the horizontal direction, the connection assembly 300 of the present embodiment further includes two adjustment rods 330 corresponding to the connection rods 310 one by one, wherein opposite ends of the two adjustment rods 330 are hinged via a central hinge base 331, and opposite ends of the two adjustment rods 330 are hinged to the two support frames 100, respectively.

The top of the upper supporting frame 100 in this embodiment is provided with a bridge deck, and the bridge deck structural style selects for use aluminum alloy punching press integrated into one piece's bridge deck, reduces the weight of pontoon unit structure above the floating core when guaranteeing structural strength, improves pontoon unit's stability. According to the environmental conditions of the floating bridge, in order to ensure good passing performance of vehicles, personnel and equipment on the floating bridge, it is necessary to consider the skid resistance of the bridge deck, and specifically, the bridge deck is provided with a plurality of through holes 130 distributed in a matrix form, as shown in fig. 5. The improved anti-skid grains are arranged on the bridge deck plate, and the bridge deck plate and the improved anti-skid grains are integrally formed in the lump, so that the process is simplified, and the integrity of the bridge deck plate is ensured.

The two support frames 100 adopt a longitudinal frame type truss structure, and the deck longitudinal frame and the deck cross beam of the T-shaped section jointly form a main bearing member of the pontoon, so that the sufficient strength is ensured while the material is saved. The inner part of the floating bridge is wrapped by a rubber material with higher rigidity, and the outline of the floating bridge is attached to the curved surface of the air bag 210, so that the air bag 210 is better contacted and fixed with the floating bridge frame, the abrasion of the floating bridge panel to the air bag 210 is reduced, and the service life of the air bag 210 is prolonged. And flexible connecting belts are arranged at the gaps of the air bags 210 of the upper frame and the lower frame, so that the air bags 210 are prevented from generating transverse displacement, and the integrity of the floating bridge is improved. The side of the pontoon frame is provided with an anchoring ring which can be connected with an anchor chain to fix the pontoon. The air bag 210 is fixed on the rubber, and accidental breakage of the floating bridge in the transportation process is reduced.

The material of the air bag 210 is a mature inflatable membrane material at the present stage, and the air bag has high strength, excellent ageing resistance and practical feasibility.

Wherein, the structural form of the wrapping rubber layer 120 can be simply stated as: the upper and lower transition layers are made of rubber materials, a reinforced structure (an upper frame and a lower frame) is compounded in the upper and lower transition layers, and the section of the upper and lower transition layers is arc-shaped. The main functions include two points: 1. the semi-circular arc shape can better fit the capsule body of the air bag 210, the advantage of the capsule body as a main bearing member is exerted, and the possible damage of the capsule body in the actual application process is avoided. 2 set up the transition layer between pure rigid deck and flexible utricule for the transition of just gentle is more gentle, has more superior mechanical properties.

The fairlead assembly 400 in this embodiment is four ropes, and each two ropes pass through a square tube installed on both sides of the support frame 100.

The working process is as follows: for the construction of pontoons in offshore areas, specific embodiments are also given in this group. The required equipment is as follows: an engineering ship, an air charging device and a plurality of floating bridge units (which are loaded in a cabin of the engineering ship for adapting to the offshore construction environment.)

A preparation stage: the method comprises the steps of firstly transferring a plurality of floating bridge units loaded in a cabin to a construction deck, wherein air bags 210 in the floating bridge units are in the maximum deflation state, stations on the construction deck are distributed along the ship length, the air bags 210 on the stations are inflated by taking a ship coordinate system as reference (the ship length direction is X, and the ship width direction is Y direction), the floating bridge units are connected with the next floating bridge unit through Y-direction ropes, the floating bridge units synchronously launching water on the adjacent stations are connected through X-direction ropes, and after the connection is completed, gravity type launching is carried out through the tiltable station deck. The module is constantly launched as the ship moves laterally.

And (3) construction on water: after all the pontoon bridge units finish launching, the cable winding machine on each module is operated to contract the rope, each module is close to each other, and the splicing of a small-sized water pontoon bridge is finished. If the size of the floating bridge meets the construction requirements, the floating bridge is towed to a set place by an engineering ship, and then anchoring and positioning are carried out. If the size of the floating bridge does not meet the requirement, the engineering ship performs step repeated construction at a position parallel to the floating body to obtain another spliced floating bridge on water, the engineering ship drags the spliced floating bridge to enable the positions of the two floating bridges to be close, throws out the ropes, performs rope butt joint, starts a rope winding machine, enables the two floating bodies to be close, and then performs anchoring and fixing.

After the floating bridge units are assembled, approach bridges are arranged in areas close to the ship body and the land areas, and bridge decks are laid, so that people and vehicles pass through the floating bridge units.

Compared with the prior art: a plurality of pontoon bridge units are connected via fairlead subassembly 400, the installation, it is convenient to dismantle, through connecting two braced frames 100 through setting up coupling assembling 300, two braced frame 100 parallel arrangement, locate the centre gripping clearance that forms between two braced frames 100 through buoyancy subassembly 200, buoyancy subassembly 200 can adjust its volume size, in the process of using, adjust buoyancy subassembly 200 volume size, make the centre gripping clearance between two braced frames the biggest, in-process not using, adjust buoyancy subassembly 200 volume size, centre gripping clearance between two braced frames is the minimum, the transport of being convenient for, the connection form of pontoon bridge unit has been optimized, construction environment's restraint has been overcome, make the pontoon bridge can adapt to more scenes and fields, and the great significance is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.