CN115162136A - Self-adaptive follow-up approach bridge for large-gradient wharf - Google Patents
Self-adaptive follow-up approach bridge for large-gradient wharf Download PDFInfo
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- CN115162136A CN115162136A CN202210790119.8A CN202210790119A CN115162136A CN 115162136 A CN115162136 A CN 115162136A CN 202210790119 A CN202210790119 A CN 202210790119A CN 115162136 A CN115162136 A CN 115162136A
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000005188 flotation Methods 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a self-adaptive follow-up approach bridge for a large-gradient wharf, which comprises a fixed ladder arranged at the upper part of a side slope and connected with a slope top road, and is characterized in that the fixed ladder is connected with a buoyancy tank arranged on the water surface through a floating approach bridge, the upper end of the floating approach bridge is connected with the fixed ladder through a first hinge mechanism, and the lower end of the floating approach bridge is connected with the buoyancy tank through a second hinge mechanism. The floating box in the water and the fixed ladder on the bank are effectively connected through the floating approach bridge, the swing angle of the floating approach bridge is changed when the floating box rises or falls along with the water level through the first and second hinge mechanisms, the unpowered automatic adjustment of the angles of the floating approach bridge and the floating box is realized, the connection stability between the floating box and the fixed ladder is ensured, and the problems of overlarge dead weight, difficult maintenance, high construction cost and the like caused by the traditional floating bridge are solved.
Description
Technical Field
The invention relates to a bridge approach, in particular to a self-adaptive follow-up bridge approach for a large-gradient wharf, and belongs to the technical field of bridge design and manufacture.
Background
The approach bridge for the port is a bridge connecting a main bridge and an embankment or a transition bridge extending from the main bridge to the shore. For areas where the channel is not suitable to be arranged, such as large water level fluctuation, too steep river bed gradient and the like, the wharf is connected with the road in a bridge bridging mode at the area, and the bridge is called as a wharf approach bridge. The approach bridge is characterized in that the width is not large, a light structure can be adopted, and the approach bridge is built according to the natural condition of the place. A large-gradient revetment exists in many inland rivers, reservoirs, lakes and sea areas with good shield conditions, and the water level fall of the water areas can reach dozens of meters under natural conditions. In order to meet the requirements that the slope of a slope is less than 1:6 and the tread slope is 1 to 7 to 1 in the design and construction specification (JTJ 294-98) of slope wharfs and pontoon, the slope with the length of more than one hundred meters or the tread of dozens of meters needs to be built. Not only the civil engineering volume is huge, can cause great influence to the stability on slope moreover, flood control etc.. The pontoon is the most commonly adopted pier form in the waters that are suitable for the great water level fall at present, but the pontoon structure that current pontoon was suitable for is comparatively complicated, and the cost and the dead weight must be increased in building of long distance pontoon. Meanwhile, the existing floating bridge adapts to the floating water level by using an electric control mechanical structure, so that the structural complexity is further increased, and the inconvenience is brought to subsequent maintenance. There is therefore a need for improvements in the prior art.
Disclosure of Invention
The invention provides a self-adaptive follow-up approach bridge for a large-gradient pontoon, aiming at solving the problem that the conventional pontoon and approach bridge are difficult to be applied to a water area with a large water level difference.
The invention is completed by the following technical scheme: the utility model provides a self-adaptation follow-up approach bridge for heavy grade pontoon head, including locating side slope upper portion and the fixed ladder that links to each other with the hillside top road, its characterized in that fixed ladder is connected with the flotation tank of locating on the surface of water through floating the approach bridge, should float the approach bridge upper end and link to each other with fixed ladder through first hinge mechanism, the lower extreme passes through second hinge mechanism and links to each other with the flotation tank, so that when the water level rises or descends, guarantee the effective connection between fixed ladder and flotation tank through floating the approach bridge, and through first, the second hinge mechanism is when simplifying the structure, reduce the degree of difficulty of maintaining and maintaining.
Fixed ladder is the ladder that sets up along the slope, and ladder high-order end is linked together with the hillside crown road, and the low level end is connected with the transition platform of locating on domatic, wherein:
the ladder comprises stair beams on two sides, a plurality of pedals are uniformly arranged at intervals from top to bottom along the stair beams on the two sides, and first fences are arranged on the stair beams on the two sides so as to ensure that a floating approach bridge connected with the ladder has good stability through fixing the ladder;
transition platform includes the horizontal platform board, locates the many vertical stands of horizontal platform board bottom, and many vertical stand lower extremes link firmly mutually with pre-buried foundation element in domatic, and the rear side of fixed ladder low-order end and horizontal platform board one end is uncovered to be connected, and the approach bridge upper end that floats is uncovered with the front side of the horizontal platform board other end to be connected, and the preceding of horizontal platform board, rear side and left and right side's enclosed edge all is equipped with the second rail to connect fixed ladder and the approach bridge that floats through transition platform.
The floating approach bridge comprises a bridge deck, handrails are arranged on two sides of the bridge deck, the upper end of the bridge deck is hinged with the front side opening of the other end of the horizontal platform plate of the transition platform through a first hinge mechanism, and the lower end of the bridge deck is hinged with a floating box floating on the water through a second hinge mechanism, wherein: the bridge floor sets up the handrail respectively including the bridge face roof beam that is located both sides, along a plurality of bridge floor footboards that bridge face roof beam one end set up to the even just interval of the other end, along the bridge face roof beam of both sides to when the flotation tank rises or descends along with the surface of water, the bridge floor of the approach bridge that floats can change the angle along with the rising or descending of flotation tank under first hinge mechanisms, second hinge mechanisms's effect, thereby ensures the effective connection of flotation tank and fixed ladder.
First hinge mechanism includes the first horizontal sleeve that links to each other with the approach bridge upper end that floats, overlaps the first fixed axle of locating in the first horizontal sleeve, rolls between first fixed axle and the first horizontal sleeve and is equipped with a plurality of bar bearings, wherein: first fixed axle both ends correspond the end and extend out the back from first horizontal sleeve respectively and are connected with first vertical gag lever post upper end, and first vertical gag lever post lower extreme fixed connection is on the horizontal platform board of transition platform to when the flotation tank that floats the access bridge on along with the water surface rises or descends, make first horizontal sleeve can be rotatory around first fixed axle, realize the unpowered automatic adjustment of the access bridge that floats and transition platform horizontal platform board angle.
The second hinge mechanisms comprise second horizontal sleeves connected with the lower ends of the floating approach bridges, second fixing shafts sleeved in the second horizontal sleeves are arranged, and a plurality of rod-shaped bearings are arranged between the second fixing shafts and the second horizontal sleeves in a rolling mode, wherein: the second fixed axle both ends correspond the end and extend out the back from the second horizontal sleeve respectively and are connected with the vertical gag lever post upper end of second, and the vertical gag lever post lower extreme card of second is in the flotation tank side to when the flotation tank that the approach bridge floated on along with the water face ascended or descended, make the horizontal sleeve of second can rotate around the second fixed axle, and then realize the unpowered automatic adjustment of the approach bridge that floats and flotation tank angle.
The floating boxes are rectangular closed boxes with cavities in the floating boxes, and a plurality of floating boxes can be arranged according to requirements so as to be connected with each other to form a floating dock, and the floating dock is conveniently connected with vehicles in water, such as ships and the like, so that personnel can conveniently get on or off the boat.
The invention has the following advantages and effects: adopt above-mentioned scheme, can conveniently effectively connect the flotation tank of aquatic and the fixed ladder on the bank through the approach bridge that floats to through first, second hinge mechanisms when the flotation tank rises or descends along with the water level, change the swing angle of approach bridge that floats, and then realize the unpowered automatic adjustment of the approach bridge of floating and flotation tank angle, ensure the stability of being connected between flotation tank and the fixed ladder, solve the dead weight that traditional flotation bridge brought too big, maintenance difficulty, construction cost high scheduling problem. The bridge approach is an ideal bridge approach.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a structural view of a first hinge mechanism of the present invention;
FIG. 4 is a structural view of a second hinge mechanism of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention provides a self-adaptive follow-up approach bridge for a large-gradient pontoon, which comprises: the fixed ladder 9 is arranged on the upper part of the side slope 6 and connected with a slope top road, the fixed ladder 9 is connected with the buoyancy tank 1 arranged on the water surface through the floating approach bridge 3, the upper end of the floating approach bridge 3 is connected with the fixed ladder 9 through a first hinge mechanism, the lower end of the floating approach bridge is connected with the buoyancy tank 1 through a second hinge mechanism, when the water level rises or falls, the effective connection between the fixed ladder 9 and the buoyancy tank 1 is ensured through the floating approach bridge 3, and the first hinge mechanism and the second hinge mechanism can simplify the structure and reduce the difficulty of maintenance;
fixed ladder 9 is the ladder that sets up along the slope of side slope 6, and ladder high-order end is linked together with the top of a slope road, and the low-order end is connected with the transition platform 7 of locating on domatic, wherein:
the ladder comprises stair beams on two sides, a plurality of pedals 13 are uniformly arranged at intervals from top to bottom along the stair beams on the two sides, and first fences 14 are arranged on the stair beams on the two sides so as to ensure that the fixed ladder 9 and the floating approach bridge 3 have good stability through the transition platform 7;
the transition platform 7 comprises a horizontal platform plate 12 and a plurality of vertical upright posts 11 arranged at the bottom of the horizontal platform plate 12, the lower ends of the vertical upright posts 11 are fixedly connected with a base member pre-buried in a slope surface, the lower end of the fixed ladder 9 is connected with a rear side opening at the left end of the horizontal platform plate 12, the upper end of the floating approach bridge 3 is connected with a front side opening at the right end of the horizontal platform plate 12, and the closed edges of the front side, the rear side, the left side and the right side of the horizontal platform plate 12 are respectively provided with a second fence 10 so as to connect the fixed ladder 9 and the floating approach bridge 3 through the transition platform 7;
the first hinge mechanism 8 comprises a first horizontal sleeve 17 connected with the upper end of the floating approach bridge 3, a first fixed shaft 18 sleeved in the first horizontal sleeve 17, and a plurality of rod-shaped bearings 20 arranged between the first fixed shaft 18 and the first horizontal sleeve 17 in a rolling manner, wherein: two ends of a first fixing shaft 18 respectively extend out from corresponding ends of a first horizontal sleeve 17 and then are connected with the upper end of a first vertical limiting rod 19, and the lower end of the first vertical limiting rod 19 is fixedly connected to a horizontal platform plate 12 of the transition platform 7, so that when the floating approach bridge 3 ascends or descends along with the floating box 1 on the water surface, the first horizontal sleeve 17 can rotate around the first fixing shaft 18, and unpowered automatic adjustment of the angle between the floating approach bridge 3 and the horizontal platform plate 12 of the transition platform 7 is realized;
the second hinge mechanism 2 includes the second horizontal sleeve 21 that links to each other with 3 lower extremes of floating approach bridge, and the second fixed axle 22 in the second horizontal sleeve 21 is located to the cover, and it is equipped with a plurality of bar bearings 20 to roll between second fixed axle 22 and the second horizontal sleeve 21, wherein: two ends of a second fixed shaft 22 respectively extend out from the corresponding ends of the second horizontal sleeve 21 and then are connected with the upper end of a second vertical limiting rod 23, and the lower end of the second vertical limiting rod 23 is clamped on the side surface of the floating box 1, so that when the floating approach bridge 3 ascends or descends along with the floating box 1 on the water surface, the second horizontal sleeve 21 can rotate around the second fixed shaft 22, and the unpowered automatic adjustment of the angle between the floating approach bridge 3 and the floating box 1 is realized;
the buoyancy tank 1 is a rectangular closed tank body with a cavity therein, and a plurality of buoyancy tanks can be arranged as required so as to be connected with each other to form a floating dock, so that the floating dock is convenient to be matched and connected with a ship in water, and personnel can conveniently go on or off the ship.
Claims (6)
1. The utility model provides a self-adaptation follow-up approach bridge for heavy grade pontoon, is including locating side slope upper portion and the fixed ladder that links to each other with the hillside top road, and its characterized in that fixed ladder is connected with the flotation tank of locating on the surface of water through the approach bridge that floats, and this approach bridge upper end that floats links to each other with fixed ladder through first hinge mechanisms, and the lower extreme passes through the second hinge mechanisms and links to each other with the flotation tank.
2. The adaptive follow-up approach bridge for the large-gradient pontoon according to claim 1, wherein the fixed step is a step arranged along a slope of a side slope, the high end of the step is communicated with a road at the top of the slope, and the low end of the step is connected with a transition platform arranged on the slope, wherein:
the stairs comprise stair girders positioned on two sides, a plurality of pedals are uniformly and alternately arranged from top to bottom along the stair girders on the two sides, and first fences are arranged on the stair girders on the two sides;
transition platform includes horizontal platform board, locates the many vertical stands of horizontal platform board bottom, and many vertical stand lower extremes link firmly with pre-buried foundation component in domatic mutually, and fixed ladder low level end is uncovered with the rear side of horizontal platform board one end and is connected, and the approach bridge upper end that floats is uncovered with the front side of the horizontal platform board other end and is connected, and the preceding of horizontal platform board, rear side and the closed limit on left and right sides all are equipped with the second rail.
3. The self-adaptive follow-up approach bridge for the large-gradient pontoon according to claim 1, wherein the floating approach bridge comprises a bridge deck and handrails arranged on two sides of the bridge deck, the upper end of the bridge deck is hinged with the front side opening at the other end of the horizontal platform plate of the transition platform through a first hinge mechanism, and the lower end of the bridge deck is hinged with a pontoon floating on the water surface through a second hinge mechanism, wherein: the bridge floor is including the bridge face roof beam that is located both sides, along a plurality of bridge floor footboards that bridge face roof beam one end set up to the even just interval of the other end, sets up the handrail respectively along the bridge face roof beam of both sides.
4. The adaptive follow-up approach bridge for the large-gradient pontoon as claimed in claim 1, wherein the first hinge mechanism comprises a first horizontal sleeve connected with the upper end of the floating approach bridge, a first fixed shaft sleeved in the first horizontal sleeve, and a plurality of rod-shaped bearings arranged between the first fixed shaft and the first horizontal sleeve in a rolling manner, wherein: first fixed axle both ends correspond the end and extend out the back and be connected with first vertical gag lever post upper end from first horizontal sleeve respectively, and first vertical gag lever post lower extreme fixed connection is on the horizontal platform board of transition platform.
5. The adaptive follow-up approach bridge for the large-gradient pontoon as claimed in claim 1, wherein the second hinge mechanism comprises a second horizontal sleeve connected with the lower end of the floating approach bridge, a second fixed shaft sleeved in the second horizontal sleeve, and a plurality of rod-shaped bearings arranged between the second fixed shaft and the second horizontal sleeve in a rolling manner, wherein: two ends of the second fixing shaft extend out of the corresponding end of the second horizontal sleeve and then are connected with the upper end of the second vertical limiting rod, and the lower end of the second vertical limiting rod is clamped on the side face of the floating box.
6. The adaptive flying pontoon according to claim 1, wherein the pontoon is configured as a rectangular box having a cavity therein, and a plurality of pontoons are provided to interconnect the plurality of pontoons into the pontoon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210790119.8A CN115162136A (en) | 2022-07-06 | 2022-07-06 | Self-adaptive follow-up approach bridge for large-gradient wharf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210790119.8A CN115162136A (en) | 2022-07-06 | 2022-07-06 | Self-adaptive follow-up approach bridge for large-gradient wharf |
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| Publication Number | Publication Date |
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| CN115162136A true CN115162136A (en) | 2022-10-11 |
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| CN202210790119.8A Pending CN115162136A (en) | 2022-07-06 | 2022-07-06 | Self-adaptive follow-up approach bridge for large-gradient wharf |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2872830A1 (en) * | 2004-07-06 | 2006-01-13 | Entpr Sauzet Sarl | Floating pontoon accessing device for e.g. cyclist, has one footbridge whose one end is mounted, through joint, on carrying structure, and another footbridge with rollers to roll on pontoon so that it can oscillate around another joint |
| CN201224866Y (en) * | 2008-10-08 | 2009-04-22 | 中交第二航务工程勘察设计院有限公司 | Floating pier steel bridge approach floating type elevating system |
| CN213358293U (en) * | 2020-09-11 | 2021-06-04 | 李专 | A automatically regulated steel approach bridge of marking time for floating dock visitor is current |
| CN218027471U (en) * | 2022-07-06 | 2022-12-13 | 华能澜沧江水电股份有限公司 | Self-adaptive follow-up approach bridge for large-gradient wharf |
-
2022
- 2022-07-06 CN CN202210790119.8A patent/CN115162136A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2872830A1 (en) * | 2004-07-06 | 2006-01-13 | Entpr Sauzet Sarl | Floating pontoon accessing device for e.g. cyclist, has one footbridge whose one end is mounted, through joint, on carrying structure, and another footbridge with rollers to roll on pontoon so that it can oscillate around another joint |
| CN201224866Y (en) * | 2008-10-08 | 2009-04-22 | 中交第二航务工程勘察设计院有限公司 | Floating pier steel bridge approach floating type elevating system |
| CN213358293U (en) * | 2020-09-11 | 2021-06-04 | 李专 | A automatically regulated steel approach bridge of marking time for floating dock visitor is current |
| CN218027471U (en) * | 2022-07-06 | 2022-12-13 | 华能澜沧江水电股份有限公司 | Self-adaptive follow-up approach bridge for large-gradient wharf |
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