CN218027471U - 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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- CN218027471U CN218027471U CN202221726716.6U CN202221726716U CN218027471U CN 218027471 U CN218027471 U CN 218027471U CN 202221726716 U CN202221726716 U CN 202221726716U CN 218027471 U CN218027471 U CN 218027471U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The utility model provides a self-adaptation trailing type 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, the fixed ladder of its characterized in that is connected with the flotation tank of locating on the surface of water through the approach bridge that floats, and this unsteady approach bridge upper end links to each other with fixed ladder, the lower extreme passes through second articulated mechanism and links to each other with the flotation tank through first articulated 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 utility model relates to an approach bridge, especially a self-adaptation follow-up approach bridge for heavy grade pontoon belongs to bridge manufacturing and designing technical field.
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 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 slope protection exists in a plurality of 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 and the gradient of a step is 1 to 7 to 1 in the design and construction specifications of slope wharfs and pontoon (JTJ 294-98), the slope with the length of more than one hundred meters or the step with the length 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 suitable for the great water level fall at present, but the pontoon structure suitable for the existing pontoon is more complicated, and the cost and the dead weight are increased by constructing the long-distance pontoon. Meanwhile, the existing pontoon bridge adapts to the floating water level by using an electric control mechanical structure, so that the structure complexity is further increased, and inconvenience is brought to subsequent maintenance. There is therefore a need for improvements in the prior art.
Disclosure of Invention
For solving the problem that current pontoon and approach bridge are difficult to be applicable to the great waters of water head, the utility model provides a self-adaptation follow-up approach bridge for heavy grade pontoon.
The utility model discloses a following technical scheme accomplishes: 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 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-order 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 left and right side's closed 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 opening of the other end of the horizontal table 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 mechanisms includes the first horizontal sleeve that links to each other with unsteady approach bridge upper end, and the first fixed axle in the first horizontal sleeve is located to the cover, rolls between first fixed axle and the first horizontal sleeve and is equipped with a plurality of bar-shaped bearings, wherein: first fixed axle both ends correspond the end respectively and extend out the back and be connected with first vertical gag lever post upper end from first horizontal sleeve, and first vertical gag lever post lower extreme fixed connection is on transition platform's horizontal platform board to when the flotation tank that floats the access bridge on along with the water surface rises or descends, make first horizontal sleeve can rotate 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 two ends of the second fixing shaft extend out of the corresponding ends of the second horizontal sleeve respectively 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, so that when the floating approach bridge rises or falls along with the floating box on the water surface, the second horizontal sleeve can rotate around the second fixing shaft, and unpowered automatic adjustment of angles of the floating approach bridge and the floating box is achieved.
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 utility model has the advantages and effects of: 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 diagram 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 present invention will be further described with reference to the accompanying drawings.
The utility model provides a self-adaptation follow-up approach bridge for heavy slope pontoon includes: 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;
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 a second horizontal sleeve 21 connected with the lower end of the floating approach bridge 3, a second fixing shaft 22 sleeved in the second horizontal sleeve 21, and a plurality of rod-shaped bearings 20 are arranged between the second fixing shaft 22 and the second horizontal sleeve 21 in a rolling manner, 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 self-adaptive follow-up approach bridge for large-gradient pontoon comprises a fixed ladder which is arranged on the upper part of a side slope and is connected with a road on the top of the slope, and is characterized in that the fixed ladder is connected with a pontoon 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 pontoon through a second hinge mechanism.
2. The adaptive follow-up approach bridge for large-gradient pontoon according to claim 1, wherein the fixed step is a step inclined along the slope of the side slope, the high end of the step is connected with the road at the top of the slope, and the low end 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 deck 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 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 self-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 self-adaptive follow-up approach bridge for the large-gradient pontoon according to 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 are 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 follow-up approach bridge for a large-gradient pontoon according to claim 1, wherein the pontoons are configured as rectangular boxes with cavities therein, and a plurality of the pontoons are arranged so that the plurality of the pontoons are connected to each other to form the pontoon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221726716.6U CN218027471U (en) | 2022-07-06 | 2022-07-06 | Self-adaptive follow-up approach bridge for large-gradient wharf |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221726716.6U CN218027471U (en) | 2022-07-06 | 2022-07-06 | Self-adaptive follow-up approach bridge for large-gradient wharf |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162136A (en) * | 2022-07-06 | 2022-10-11 | 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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- 2022-07-06 CN CN202221726716.6U patent/CN218027471U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162136A (en) * | 2022-07-06 | 2022-10-11 | 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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