CN113235394A - Floating bridge capable of being opened horizontally - Google Patents
Floating bridge capable of being opened horizontally Download PDFInfo
- Publication number
- CN113235394A CN113235394A CN202110441486.2A CN202110441486A CN113235394A CN 113235394 A CN113235394 A CN 113235394A CN 202110441486 A CN202110441486 A CN 202110441486A CN 113235394 A CN113235394 A CN 113235394A
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- Prior art keywords
- bridge
- section
- movable
- floating
- pontoon
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
- E01D15/145—Floating bridges, e.g. pontoon bridges displaceable or with sections movable to allow passing of water-borne traffic
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a floating bridge capable of being opened horizontally, which is symmetrically arranged, and one side of the floating bridge sequentially comprises a fixed stack bridge section, a transition bridge section and a movable floating bridge section; the fixed stack bridge section is fixed through a bridge pier, and one end of the fixed stack bridge section is connected with a river bank through a bridge abutment; the transition bridge span section is connected between the fixed stack bridge section and the movable floating bridge section; an end fixing frame is arranged at the end part of the movable floating bridge section, the end part of the movable floating bridge section is connected with the transition bridge span section, the movable floating bridge section is fixed through an anchoring assembly, and the movable floating bridge section is opened or closed through a driving device; and a middle springboard is arranged between the movable floating bridge sections which are arranged oppositely, and the middle springboard is rotationally connected to any one of the movable floating bridge sections. The invention has simple structure, low operation and maintenance cost and stronger adaptability, and can meet the requirement of multiple opening or closing of a navigation water area.
Description
Technical Field
The invention relates to the technical field of water transportation floating bridges, in particular to a floating bridge capable of being opened horizontally.
Background
The floating bridge is a bridge which uses a ship body or a buoyancy tank to replace a pier and floats on the water surface. The device is mainly used for conventional pedestrian or emergency rescue.
The conventional floating bridge is a fixed floating bridge, and river navigation is blocked. When boats and ships need lead to the navigation, carry out the dismouting to fixed pontoon bridge repeatedly, waste time and energy. And this fixed pontoon bridge is mostly the floating body structure that combined material made, and although corrosion resistance is good, the price is cheap, but the dead weight is light, and stability is poor, is unfavorable for using under the operating mode environment that the hydrology condition is relatively poor.
Although the emergency floating bridge is high in erection speed and strong in environmental adaptability, the requirement of regular and repeated opening in a water area needing navigation is difficult to meet.
Therefore, the present invention is directed to providing a floating bridge with simple structure and easy opening.
Disclosure of Invention
The invention provides a floating bridge capable of being opened horizontally, which is used for solving the defects that the structure is inconvenient to disassemble and assemble, the requirement of regular multiple opening of a navigation water area is difficult to meet and the working condition environment adaptability is poor in the prior art, and achieves the purposes of simple structure, low operation and maintenance cost and strong adaptability.
The invention provides a floating bridge capable of being opened horizontally, wherein the composition structures of the floating bridge are symmetrically arranged, and the composition structure on one side of the floating bridge sequentially comprises a fixed stack bridge section, a transition span bridge section and a movable floating bridge section;
the fixed stack bridge section is fixed through a bridge pier, and one end of the fixed stack bridge section is connected with a river bank through a bridge abutment;
wherein the transition bridge span section is connected between the fixed stack bridge section and the movable floating bridge section; an end fixing frame is arranged at the end part of the movable floating bridge section, the end part of the movable floating bridge section is connected with the transition bridge span section, the movable floating bridge section is fixed through an anchoring assembly, and the movable floating bridge section is opened or closed through a driving device;
and a middle springboard is arranged between the movable floating bridge sections which are arranged oppositely, and the middle springboard is rotationally connected to any one of the movable floating bridge sections.
According to the floating bridge capable of being horizontally opened, provided by the invention, a floating platform is arranged between the movable floating bridge section and the transition bridge section, and the end part fixing frames are connected to two sides of the floating platform;
the floating platform is characterized in that a plurality of buoyancy tanks are arranged at the bottom of the floating platform, one end of the movable floating bridge section is rotatably connected to the floating platform, and the transition bridge-spanning section is lapped on the floating platform.
According to the floating bridge capable of being opened horizontally provided by the invention, the end fixing frame is a plurality of tubular piles arranged perpendicular to the horizontal plane.
According to the floating bridge capable of being opened horizontally provided by the invention, the floating platform can move along the axial direction of the end fixing frame.
The floating bridge capable of being opened horizontally is characterized in that cushion pads are arranged on the opposite end faces of the movable floating bridge section; and the bottom of the movable floating bridge section is provided with a floating box or a ship.
According to the floating bridge capable of being opened horizontally provided by the invention, one end of the middle springboard is connected with the winch, and the winch is fixed on the movable floating bridge section.
According to the floating bridge capable of being opened horizontally, the middle springboard is connected with the movable floating bridge section through the pin shaft and is connected with the winch through the steel wire rope.
According to the floating bridge capable of being horizontally opened, provided by the invention, the anchoring component comprises an anchor and an anchor cable, wherein one end of the anchor cable is fixed on the anchor, and the other end of the anchor cable is fixed on the movable floating bridge section.
According to the horizontally openable floating bridge provided by the invention, the driving device is an externally hung power motor or a special ship which is independently arranged.
According to the floating bridge capable of being opened horizontally provided by the invention, the externally hung power motor or a special ship is positioned at the free end of the movable floating bridge section.
Compared with the openable floating bridge in the prior art, the floating bridge capable of being opened horizontally provided by the invention can realize a wider opening by using a smaller driving force so as to enable a large ship with larger tonnage to pass through; meanwhile, the structure is simple, the construction speed is high, the operation and maintenance cost is low, and the adaptability is strong.
Specifically, when the openable floating bridge in the prior art is opened, the floating body is pulled up in the direction vertical to the horizontal plane through the power system, the gravity of the floating body and the buoyancy of the floating body need to be overcome, and then a larger driving force is needed, so that the design requirement of the driving device is higher; meanwhile, the length of the floating body (namely the movable floating bridge section in the invention) is limited, and the longer the length of the floating body is, the higher the opening cost is, so that the opening of the floating body with longer length cannot be met.
In comparison, the movable floating bridge section floats on the water surface, only the driving force in the horizontal direction is needed to be provided when the movable floating bridge section is opened horizontally, the gravity and the buoyancy of the movable floating bridge section do not need to be overcome, the needed driving force is smaller, and the driving device is simpler in design and more convenient to arrange and install. The movable floating bridge mainly can realize the opening of a movable floating bridge section with a longer length, and ensure that the opening for opening the floating bridge is wider, so that large ships with larger tonnage can pass through the floating bridge.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a horizontally openable pontoon according to the invention;
FIG. 2 is a schematic view of the closing state of the horizontally openable pontoon according to the invention;
FIG. 3 is a schematic view of the opened state of the horizontally openable pontoon according to the invention;
reference numerals:
10: fixing a bridge section of the stack; 20: a transition bridge span section; 30: a movable floating bridge section;
40: a middle springboard; 50: an abutment; 60: an anchor assembly;
61: anchorage; 62: an anchor cable; 70: an end fixing frame;
80: a drive device; 90: a floating platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiments of the present invention will be described below with reference to fig. 1 to 3. It should be understood that the following description is only exemplary embodiments of the present invention and is not intended to limit the present invention in any way.
As an embodiment of the invention, the invention provides a floating bridge capable of being opened horizontally, which is mainly used for emergency rescue and pedestrian, highway and railway use. The floating bridge is arranged in working conditions of inland rivers, lakes and offshore.
In the invention, the floating bridge is symmetrically arranged, and the composition structure at one side of the floating bridge sequentially comprises a fixed stack bridge section 10, a transition bridge section 20 and a movable floating bridge section 30; the lengths of the specific fixed stack bridge section 10, the transition span bridge section 20, the movable floating bridge section 30 and the like in the floating bridge do not need to be completely symmetrical, and the specific arrangement can be realized according to actual conditions.
Wherein, fixed stack bridge section 10 passes through the pier to be fixed on the horizontal plane, and one end passes through abutment 50 to be linked up and is fixed in the bank, and the bottom surface of fixed stack bridge section 10 is higher than the horizontal plane all the time for the shallow inland river mouth of draft makes the pontoon bridge stretch out river bank/coast through fixed stack bridge section 10, satisfies the requirement of pontoon bridge to draft.
The transitional bridge span section 20 is connected between the fixed trestle bridge section 10 and the movable floating bridge section 30, and aims to avoid that the sea level rises when the tide rises, and the height difference between the fixed trestle bridge section 10 and the movable floating bridge section 30 caused by the sea level falling when the tide falls is too large, so that the gradient change of the whole floating bridge is obvious.
In addition, the movable floating bridge section 30 is connected with the transition bridge section 20 through the end fixing frame 70, the movable floating bridge section 30 is fixed through the anchoring assembly 60, and the opening and closing of the movable floating bridge section 30 are controlled through the driving device 80, so that the floating bridge is horizontally opened on the horizontal plane.
Specifically, a floating platform 90 is arranged between the movable floating bridge section and the transition bridge section, and the end fixing frames are connected to two sides of the floating platform 90; the bottom of the floating platform 90 is provided with a plurality of floating boxes, one end of the movable floating bridge section is rotatably connected to the floating platform 90, and particularly, the movable floating bridge section can be connected to the floating platform 90 through ropes so as to rotate around the floating platform 90; the transition span bridge section is lapped on the floating platform 90, and the connection between the transition span bridge section and the floating platform 90 is selected according to actual needs.
The floating platform 90 can also be understood as a part of the inside of the movable floating bridge segment, which is equivalent to the movable floating bridge segment comprising the floating platform 90 and a movable floating bridge body (not numbered in the figure), the floating platform 90 mainly plays a role of connection, and the movable floating bridge body is used for opening or closing, so that the floating bridge is horizontally opened.
Besides, an intermediate springboard 40 is arranged between the two movable floating bridge sections 30 which are oppositely arranged, the intermediate springboard 40 is rotatably connected to any one of the movable floating bridge sections 30, and the two movable floating bridge sections 30 which are oppositely arranged can be automatically separated.
Compared with the openable floating bridge in the prior art, the invention can realize wider opening by using smaller driving force so as to pass large ships with larger tonnage; meanwhile, the structure is simple, the construction speed is high, the operation and maintenance cost is low, and the adaptability is strong.
Specifically, the openable floating bridge in the prior art pulls up the floating body in the direction vertical to the horizontal plane by a power system when opening.
Compared with the horizontally openable floating bridge provided by the invention, the openable floating bridge in the prior art needs to overcome the gravity of the floating body and the buoyancy of the floating body when being pulled up in the vertical direction, and further needs larger driving force, so that the design requirement of the driving device 80 is higher; meanwhile, the length of the floating body (i.e., the movable floating bridge section 30 in the present invention) is limited, because the longer the length of the floating body is, the higher the opening cost is, and therefore, the opening of the floating body with a longer length cannot be satisfied, i.e., the opening of the floating bridge is smaller, and the number of ships that can pass through the floating bridge is limited.
In contrast, in the floating bridge capable of being horizontally opened according to the present invention, since the movable floating bridge section 30 floats on the water surface, only a driving force in the horizontal direction needs to be provided when the floating bridge is horizontally opened, and gravity and buoyancy of the movable floating bridge section 30 itself do not need to be overcome, so that the required driving force is small, and the driving device 80 is simple in design and convenient to arrange and install. The movable floating bridge mainly realizes the opening of the movable floating bridge section 30 with longer length, ensures that the opening of the floating bridge is wider, and is convenient for large ships with larger tonnage to pass through.
In the embodiment of the invention, one end of the middle springboard 40 is rotatably connected to the movable pontoon section 30, the other end of the middle springboard 40 is connected with the winch, the winch is fixedly arranged on the movable pontoon section 30, the middle springboard 40 is lifted or fallen under the control of the winch, and the erection and disassembly work of the horizontally openable pontoon is further realized.
Specifically, the rotary connection between one end of the middle springboard 40 and the movable floating bridge section 30 can be a pin connection; the winch is connected with the other end of the middle springboard 40 through a steel wire rope.
The floating bridge of the invention is broken at the middle springboard 40, so that an avoiding gap exists between two opposite movable floating bridge sections 30, and the movable floating bridge sections 30 can be conveniently opened or closed horizontally. When the middle springboard 40 on the movable pontoon section 30 is lifted, the driving device 80 controls the movable pontoon section 30 to open, and the ship passes through the middle of the horizontally opened pontoon; when the intermediate gangway 40 located on the movable pontoon section 30 falls, the pontoon can satisfy the passage of people.
In this embodiment, in order to prevent collision between the two movable bridge segments 30, cushions (not shown) are provided on the opposite end surfaces of the movable bridge segments 30.
In the embodiment of the present invention, the end fixing frame 70 may be a plurality of tubular piles, which are equivalent to a cement tubular pile arranged in a vertical horizontal plane, and is used for bearing the tensile force and the shearing force of the floating platform 90 and the movable floating bridge section 30, and simultaneously limiting the translational displacement of the floating platform 90 and the movable floating bridge section 30 in the horizontal plane, so as to lay a foundation for opening the movable floating bridge section 30.
The end fixing frame 70 is specifically set according to the magnitude of the force applied in the practical application. The floating platform 90 is provided with a clasping hoop (not shown in the figure) matched with the structure of the end fixing frame 70, so that the floating platform 90 can be displaced along the axial direction of the end fixing frame 70, and the position of the floating platform 90 on the end fixing frame 70 can be adjusted according to the height adaptability of the horizontal plane.
Meanwhile, one end of the transition bridge span section 20 is directly overlapped on the floating platform 90, and the other end of the transition bridge span section 20 is hinged with the fixed stack bridge span section 10, so that the transition bridge span section 20 can rotate in a small range along the position hinged with the fixed stack bridge span section 10, and the adjustment of the floating platform 90 according to the height of the horizontal plane is adapted.
In the embodiment of the present invention, the anchoring assembly 60 includes an anchor 61 and an anchor cable 62, one end of the anchor cable 62 is fixed to the anchor 61, and the other end is fixed to a corresponding portion of the movable floating bridge segment 30. Wherein, anchor 61 and anchor cable 62 all are located the aquatic to anchor cable 62 winding sets up, when needing to open movable pontoon section 30, loosens anchor cable 62 in advance, thereby makes anchor cable 62 along with movable pontoon section 30 synchronous movement keep in the below of movable pontoon section 30.
In the embodiment of the present invention, the driving device 80 is provided in two types, and the first type of driving the movable pontoon section 30 to open may be a pier with an external power motor, the pier is located at the end of the movable pontoon section 30 away from the end fixing frame 70, and the pier moves on the water surface in an arc-shaped path around the end fixing frame 70, so that the movable pontoon section 30 is completely opened.
A second form of driving the movable pontoon section 30 to open may be to push and pull the movable pontoon section 30 by a dedicated vessel outside the pontoon, thereby opening the movable pontoon section 30 and closing the movable pontoon section.
When the pontoon of the invention is opened, the intermediate gangway 40 needs to be lifted in advance, then the anchor cables 62 in the anchor assemblies 60 are loosened, and then the movable pontoon sections 30 are pushed away by the pier or the special vessel.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A floating bridge capable of being opened horizontally is characterized in that the composition structures of the floating bridge are symmetrically arranged, and the composition structure on one side of the floating bridge sequentially comprises a fixed stack bridge section, a transition bridge section and a movable floating bridge section;
the fixed stack bridge section is fixed through a bridge pier, and one end of the fixed stack bridge section is connected with a river bank through a bridge abutment;
wherein the transition bridge span section is connected between the fixed stack bridge section and the movable floating bridge section; an end fixing frame is arranged at the end part of the movable floating bridge section, the end part of the movable floating bridge section is connected with the transition bridge span section, the movable floating bridge section is fixed through an anchoring assembly, and the movable floating bridge section is opened or closed through a driving device;
and a middle springboard is arranged between the movable floating bridge sections which are arranged oppositely, and the middle springboard is rotationally connected to any one of the movable floating bridge sections.
2. The horizontally openable floating bridge according to claim 1, wherein a floating platform is arranged between the movable floating bridge section and the transition bridge section, and the end fixing frames are connected to two sides of the floating platform;
the floating platform is characterized in that a plurality of buoyancy tanks are arranged at the bottom of the floating platform, one end of the movable floating bridge section is rotatably connected to the floating platform, and the transition bridge-spanning section is lapped on the floating platform.
3. The horizontally openable pontoon of claim 2, wherein the end mounts are tube stakes arranged perpendicular to the horizontal plane.
4. The horizontally openable pontoon of claim 3, wherein the pontoon is movable in the axial direction of the end mount.
5. The horizontally openable pontoon according to any one of claims 1 to 4, wherein the movable pontoon segments are provided with cushions on opposite end faces; and the bottom of the movable floating bridge section is provided with a floating box or a ship.
6. The horizontally openable pontoon of claim 1, wherein the intermediate gangway is connected at one end to a hoist secured to the movable pontoon segment.
7. The horizontally openable pontoon of claim 6, wherein the intermediate diving board is connected to the movable pontoon section by a pin and to the winch by a wire rope.
8. The horizontally openable pontoon according to claim 1, wherein the anchor assembly comprises anchorages and anchor cables, one end of the anchor cables being fixed to the anchorages and the other end being fixed to the movable pontoon section.
9. The horizontally openable pontoon according to claim 1, wherein the drive means is an externally-mounted power motor or a separately provided dedicated vessel.
10. The horizontally openable pontoon of claim 9, wherein the externally-suspended power motor or a dedicated vessel is located at the free end of the movable pontoon section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441486.2A CN113235394A (en) | 2021-04-23 | 2021-04-23 | Floating bridge capable of being opened horizontally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441486.2A CN113235394A (en) | 2021-04-23 | 2021-04-23 | Floating bridge capable of being opened horizontally |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113235394A true CN113235394A (en) | 2021-08-10 |
Family
ID=77129066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110441486.2A Pending CN113235394A (en) | 2021-04-23 | 2021-04-23 | Floating bridge capable of being opened horizontally |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113235394A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981801A (en) * | 2021-11-03 | 2022-01-28 | 黄河勘测规划设计研究院有限公司 | Floating bridge capable of being opened and closed quickly |
| CN113981802A (en) * | 2021-11-03 | 2022-01-28 | 黄河勘测规划设计研究院有限公司 | Construction method and use method capable of quickly opening and closing floating bridge |
-
2021
- 2021-04-23 CN CN202110441486.2A patent/CN113235394A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981801A (en) * | 2021-11-03 | 2022-01-28 | 黄河勘测规划设计研究院有限公司 | Floating bridge capable of being opened and closed quickly |
| CN113981802A (en) * | 2021-11-03 | 2022-01-28 | 黄河勘测规划设计研究院有限公司 | Construction method and use method capable of quickly opening and closing floating bridge |
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