CN114457697A - Large-span bridge arch rib lifting, floating and jacking ship loading structure and ship loading method - Google Patents

Abstract

The invention discloses a large-span bridge arch rib lifting and jacking shipment structure and a shipment method. The ship does not need to berth at a wharf during shipment, the influence on river channel transportation can be reduced, and the overwater operation period is shortened.

Description

Large-span bridge arch rib lifting, floating and jacking ship loading structure and ship loading method

Technical Field

The invention relates to the technical field of water traffic and transportation, in particular to a long-span bridge arch rib lifting and jacking ship loading structure and a ship loading method.

Background

The arch ribs of the large-span bridge are generally constructed by adopting a gantry crane, a walking crane construction method, a cantilever construction method, a transverse moving construction method and other construction methods, the arch ribs of the whole large-span bridge are increasingly prefabricated on the shore at the present stage, then the arch ribs are loaded on a ship through floating crane hoisting or transverse or longitudinal sliding, and finally the arch ribs are transported to the bridge through the ship in a floating manner for jacking or lifting installation.

Disclosure of Invention

The invention aims to provide a long-span bridge arch rib lifting and jacking ship loading structure and a ship loading method, and aims to solve the problems that in the prior art, a ship needs to be berthed to load a long-span bridge arch rib, and the ship is not suitable for the condition that the ship cannot berth at a wharf.

In order to achieve the purpose, the invention adopts the following technical scheme:

a large-span bridge arch rib lifts and floats a lift shipment structure for with bridge arch rib from prefabricated assembly place removal to boats and ships, includes:

the two trestles are arranged at intervals along a river shoreline, each trestle is arranged in parallel with the ground, one end of each trestle is fixedly supported on the ground, and the other end of each trestle extends to the position above a river channel;

the two slideways are respectively and fixedly arranged on the two trestles;

the sliding shoes are arranged at one end of the bridge arch rib, and the other sliding shoes are arranged at the other end of the bridge arch rib;

move ship subassembly, move ship subassembly and include first mooring winch, first hawser, second mooring winch and second hawser, first mooring winch fixed set up in boats and ships are close to one side of river bank line, second mooring winch fixed set up in boats and ships are kept away from one side of river bank line, the one end fixed connection of first hawser in the landing stage is kept away from the one end of river bank line, the other end twine in first mooring winch, the one end fixed connection of second hawser in the ground on bank, the other end twine in second mooring winch.

As a preferable scheme of the long-span bridge arch rib lifting, floating and jacking ship-loading structure, the structure further comprises a support frame, and the support frame is fixedly arranged below the bridge arch rib.

As a preferred scheme of the large-span bridge arch rib lifting, floating and jacking ship loading structure, the large-span bridge arch rib lifting, floating and jacking ship loading structure further comprises a buttress, wherein the buttress is fixedly arranged on the ship, and the buttress can support the support frame.

As a preferable scheme of the long-span bridge arch rib lifting, floating and jacking ship-loading structure, the structure further comprises a steel strand, and two ends of the steel strand are respectively and fixedly connected to two ends of the bridge arch rib.

As a preferable scheme of the large-span bridge arch rib lifting and jacking ship loading structure, the large-span bridge arch rib lifting and jacking ship loading structure further comprises a hydraulic jack, and the hydraulic jack is configured to push the sliding shoe to slide on the slideway.

As a preferable scheme of the large-span bridge arch rib lifting and jacking ship loading structure, the number of the ship moving assemblies is two, and the two ship moving assemblies are respectively located at two ends of the ship.

The invention also provides a ship loading method, which adopts the long-span bridge arch rib lifting and floating jacking ship loading structure and comprises the following steps:

s1: simultaneously pushing the sliding shoes at the two ends of the bridge arch rib to enable the sliding shoes to slide on the slide ways until the bridge arch rib slides to the position above the river channel from the prefabricated assembling field;

s2: when tide falls, the ship presses water and moves to the position right below the bridge arch rib through the ship moving assembly;

s3: when tide rises, the ship drains water, and the ship supports the bridge arch rib to rise until the bridge arch rib is separated from the slideway;

s4: the ship bears the bridge arch rib and is far away from the trestle.

As a preferable mode of the shipping method, the loading the bridge arch rib by the ship away from the trestle comprises:

s41: the ship moves a set distance to the front or the back of the ship, so that the bridge arch rib is deviated from the right upper part of the slideway;

s42: removing the vessel from beneath the trestle by pulling on the first line.

As a preferable scheme of the shipping method, the large-span bridge arch rib lifting and floating jacking shipping structure further comprises steel strands;

s0 is also included before S1;

s0: and installing the sliding shoes at two ends of the bridge arch rib, and fixedly connecting two ends of the steel strand with two ends of the bridge arch rib respectively.

As a preferable scheme of the shipping method, the large-span bridge arch rib lifting, floating and jacking shipping structure further comprises a support frame and a buttress;

s00 is also included before S0;

s00: fixedly connecting the support frame below the bridge arch rib, and building a buttress on a bearing deck of the ship;

and in S3, the ship supports the bridge arch rib through the support frame supported by the buttress.

The invention has the beneficial effects that:

the invention provides a large-span bridge arch rib lifting, floating, jacking and shipping structure and a shipping method, wherein the large-span bridge arch rib lifting, floating, jacking and shipping structure is characterized in that sliding shoes are arranged at two ends of a bridge arch rib, a slideway is arranged on a trestle, the bridge arch rib can conveniently slide on the trestle along the extension direction of the trestle, the bridge arch rib slides to the upper part of a river channel from a prefabricated assembly field, a ship presses water to a large draught level in the tide, a second cable is pulled to enable the ship to be close to the trestle, the position of the ship is adjusted by pulling a first cable or a second cable, the ship is positioned under the bridge arch rib, the ship drains water when the tide rises, the ship supports the bridge arch rib, the bridge arch rib is separated from the trestle, the ship bears the bridge rib and is far away from the trestle, and the bridge arch rib shipping is completed. This long-span bridge arch rib lifts and floats top lift shipment structure can make when the bridge arch rib shipment boats and ships need not to lean on to berth the pier, and simple structure is applicable to the narrow boats and ships of river bank and is difficult to indulge and lean on or do not have the pier that leans on to berth to and when the navigation river course is busy, do not allow the long-time circumstances such as pier that lean on to berth of boats and ships, and can reduce the influence to river channel transportation, shorten the operation period on water.

Drawings

FIG. 1 is a front view of a large-span bridge arch rib lifting and jacking ship-loading structure provided by an embodiment of the invention;

FIG. 2 is a top view of a large-span bridge arch rib lifting and jacking ship-loading structure provided by the embodiment of the invention;

FIG. 3 is a schematic view taken from a first perspective of S1 during a shipment method provided by an embodiment of the present invention;

FIG. 4 is a schematic view from a second perspective taken at S1 in a method of loading a ship provided by an embodiment of the present invention;

FIG. 5 is a schematic view taken from a first perspective of S2 during a shipment method provided by an embodiment of the present invention;

FIG. 6 is a schematic view from a second perspective taken at S2 in a method of loading a ship provided by an embodiment of the present invention;

FIG. 7 is a schematic view taken from a first perspective of S41 during a shipment method provided by an embodiment of the present invention;

FIG. 8 is a schematic view from a second perspective taken at S41 in a method of loading a ship provided by an embodiment of the present invention;

FIG. 9 is a schematic view taken from a first perspective of S42 during a shipment method provided by an embodiment of the present invention;

fig. 10 is a schematic view along a second viewing angle at S42 in the shipment method provided by an embodiment of the present invention.

In the figure:

1. bridge arch ribs; 2. a trestle; 3. a slideway; 4. a slipper; 5. a support frame; 6. steel strand wires; 7. a second mooring winch; 8. a first mooring winch; 9. a second cable; 10. a first cable; 11. buttress; 12. a marine vessel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The invention provides a large-span bridge arch rib lifting and jacking shipment structure, as shown in figures 1-10, for moving a bridge arch rib 1 from a prefabricated assembly field to a ship 12, the large-span bridge arch rib lifting and jacking shipment structure comprises two trestles 2, two slideways 3, two sets of sliding shoes 4 and a ship moving assembly, the two trestles 2 are arranged at intervals along a river shoreline, each trestle 2 is arranged in parallel with the ground, one end of each trestle 2 is fixedly supported on the ground, the other end of each trestle extends above the river channel, the two slideways 3 are respectively and fixedly arranged on the two trestles 2, one set of sliding shoes 4 is arranged at one end of the bridge arch rib 1, the other set of sliding shoes 4 is arranged at the other end of the bridge arch rib 1, the ship moving assembly comprises a first mooring winch 8, a first cable 10, a second mooring winch 7 and a second cable 9, the first winch 8 is fixedly arranged at one side of the ship 12 close to the river shoreline, the second mooring winch 7 is fixedly arranged on one side of the ship 12 far away from the river bank line, one end of the first mooring rope 10 is fixedly connected to one end of the trestle 2 far away from the river bank line, the other end of the first mooring rope is wound on the first mooring winch 8, one end of the second mooring rope 9 is fixedly connected to the ground on the bank side, and the other end of the second mooring rope is wound on the second mooring winch 7.

This large-span bridge arch rib lifts floating jacking shipment structure, through all installing skid shoes 4 at bridge arch rib 1 both ends, install slide 3 on landing stage 2, make things convenient for bridge arch rib 1 to slide on landing stage 2 along the extending direction of landing stage 2, bridge arch rib 1 slides to the river course top from prefabricated assembly place, when the tide falls, boats and ships 12 press water to great draught level, and pulling second hawser 9 is close to landing stage 2 with boats and ships 12, and adjust boats and ships 12's position through pulling first hawser 10 or second hawser 9, make boats and ships 12 be under bridge arch rib 1, when treating the tide that rises, boats and ships 12 drainage, then boats and ships 12 rise, boats and ships 12 support bridge arch rib 1 this moment, and make bridge arch rib 1 break away from landing stage 2, boats and ships 12 bear bridge arch rib 1 and keep away from landing stage 2, then accomplish bridge arch rib 1 shipment. This long-span bridge arch rib lifts and floats top lift shipment structure can make bridge arch rib 1 when shipment boats and ships 12 need not to berth the pier, and simple structure is applicable to the narrow boats and ships 12 of river bank and is difficult to indulge to lean on or do not have the pier of berthing to and when the navigation river course is busy, do not allow the 12 circumstances such as pier of berthing for a long time, and can reduce the influence to river channel transportation, shorten the operation period on water.

Optionally, the large-span bridge arch rib lifting, floating and jacking shipment structure further comprises a support frame 5, and the support frame 5 is fixedly arranged below the bridge arch rib 1. When the bridge rib 1 is supported by the vessel 12, the support frame 5 is supported by the vessel 12 so that the vessel 12 carries the support frame 5 and the bridge rib 1. Optionally, the number of the supporting frames 5 is two, and the two supporting frames 5 are arranged at intervals. Helping the vessel 12 to support the bridge rib 1 more stably. Optionally, the material of the support frame 5 is steel.

Optionally, the large-span bridge arch rib lifting, floating and jacking ship loading structure further comprises a buttress 11, the buttress 11 is fixedly arranged on the ship 12, and the buttress 11 can support the support frame 5. Buttress 11 is fixed and is set up on the deck that bears of boats and ships 12, supports support frame 5 through buttress 11, can improve boats and ships 12 to the holding power of bridge arch rib 1, and can prevent to damage the deck of boats and ships 12.

Optionally, the large-span bridge arch rib lifting, floating and jacking shipment structure further comprises a steel strand 6, and two ends of the steel strand 6 are respectively and fixedly connected to two ends of the bridge arch rib 1. And (3) pulling the two ends of the bridge arch rib 1 by using the steel strands 6 to enable the bridge arch rib 1 to be in an overall arched shape so as to prevent the bridge arch rib 1 from deforming when other supporting points in the prefabrication stage are removed.

Optionally, the large-span bridge arch rib lifting and jacking ship loading structure further comprises a hydraulic jack configured to push the sliding shoes 4 to slide on the sliding ways 3. The skid shoes 4 are pushed by hydraulic jacks to slide on the slideways 3.

Optionally, the number of the ship moving assemblies is two, and the two ship moving assemblies are respectively located at two ends of the ship 12. The effect of stably moving the ship 12 and adjusting the position of the ship 12 can be improved.

The invention also provides a ship loading method, which adopts the large-span bridge arch rib lifting and jacking ship loading structure, and comprises the following steps:

s00: the support frame 5 is fixedly connected below the bridge arch rib 1, and a buttress 11 is built on a bearing deck of a ship 12.

S0: and sliding shoes 4 are arranged at two ends of the bridge arch rib 1, and two ends of the steel strand 6 are respectively and fixedly connected with two ends of the bridge arch rib 1.

As shown in fig. 3 and 4, S1: and meanwhile, the sliding shoes 4 at the two ends of the bridge arch rib 1 are pushed, so that the sliding shoes 4 slide on the slide ways 3 until the bridge arch rib 1 slides to the upper part of the river channel from the prefabricated assembling site.

As shown in fig. 5 and 6, S2: when the tide falls, the ship 12 presses water, and the ship 12 is moved to be right below the bridge arch rib 1 through the ship moving assembly. It will be appreciated that on a tide, the vessel 12 is forced to a higher draft and the first and/or second lines 10, 9 are pulled to adjust the position of the vessel 12 so that it is directly beneath the bridge rib 1 and so that the buttresses 11 on the vessel 12 are located directly beneath the supports 5 on the bridge rib 1.

S3: when tide rises, the ship 12 drains water, the ship 12 supports the bridge arch rib 1 to rise, and the bridge arch rib 1 is separated from the slideway 3. It will be appreciated that on a tide, the vessel 12 drains, the weight of the bridge ribs 1, the bridge ribs 1 and the support frames 5 are gradually transferred from the trestle 2 to the buttresses 11 of the vessel 12 until the bridge ribs 1 rise to clear the ramps 3, the weight of the bridge ribs 1 and the support frames 5 being fully supported by the vessel 12. Optionally, the slipper 4 is sleeved on one end of the bridge arch rib 1, and when the bridge arch rib 1 ascends, the bridge arch rib 1 is also separated from the slipper 4.

As shown in fig. 7-10, S4: the vessel 12 carries the bridge ribs 1 away from the trestle 2. Optionally, when the ship 12 bears the bridge arch rib 1 and is far away from the trestle 2, the ship 12 moves a set distance to the front or the back of the ship 12, so that the bridge arch rib 1 is offset from the right above the slideway 3; the vessel 12 is then removed from under the trestle 2 by pulling on the first line 10. Then the ship 12 can smoothly bear the bridge arch rib 1 to the set position.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a large-span bridge arch rib lifts and floats and rises shipment structure for with bridge arch rib (1) from prefabricated field removal to boats and ships (12) of assembling, its characterized in that includes:

the two trestles (2) are arranged at intervals along a river shoreline, each trestle (2) is arranged in parallel with the ground, one end of each trestle is fixedly supported on the ground, and the other end of each trestle extends to the position above a river channel;

the two slideways (3) are respectively and fixedly arranged on the two trestle bridges (2);

two groups of sliding shoes (4), wherein one group of sliding shoes (4) is arranged at one end of the bridge arch rib (1), and the other group of sliding shoes (4) is arranged at the other end of the bridge arch rib (1);

move ship subassembly, move ship subassembly and include first mooring winch (8), first hawser (10), second mooring winch (7) and second hawser (9), first mooring winch (8) fixed set up in boats and ships (12) are close to one side of river bank line, second mooring winch (7) fixed set up in boats and ships (12) are kept away from one side of river bank line, the one end fixed connection of first hawser (10) in trestle (2) are kept away from the one end of river bank line, the other end twine in first mooring winch (8), the one end fixed connection of second hawser (9) in the ground on bank, the other end twine in second mooring winch (7).

2. The large-span bridge arch rib lifting and floating jacking ship loading structure of claim 1, further comprising a support frame (5), wherein the support frame (5) is fixedly arranged below the bridge arch rib (1).

3. The large-span bridge arch rib lifting and floating jacking ship loading structure of claim 2, further comprising a buttress (11), wherein the buttress (11) is fixedly arranged on the ship (12), and the buttress (11) can support the support frame (5).

4. The large-span bridge arch rib lifting, floating and jacking ship-loading structure of claim 1, further comprising a steel strand (6), wherein two ends of the steel strand (6) are fixedly connected to two ends of the bridge arch rib (1), respectively.

5. The large-span bridge arch rib uplift and floating jacking ship-loading structure according to claim 1, further comprising a hydraulic jack configured to push the skid shoes (4) to slide on the slide ways (3).

6. The large-span bridge arch rib lifting and jacking ship-loading structure as claimed in claim 1, wherein the number of the ship-moving assemblies is two, and the two ship-moving assemblies are respectively located at two ends of the ship (12).

7. A method for loading a ship, which is characterized in that the long-span bridge arch rib lifting and jacking ship loading structure according to any one of claims 1 to 6 is adopted, and comprises the following steps:

s1: meanwhile, sliding shoes (4) at two ends of the bridge arch rib (1) are pushed, so that the sliding shoes (4) slide on the slide ways (3) until the bridge arch rib (1) slides to the position above the river channel from the prefabricated assembly site;

s2: when tide falls, the ship (12) presses water and moves the ship (12) to be right below the bridge arch rib (1) through the ship moving assembly;

s3: when tide rises, the ship (12) drains water, and the ship (12) supports the bridge arch rib (1) to ascend until the bridge arch rib (1) is separated from the slideway (3);

s4: the ship (12) bears the bridge arch rib (1) far away from the trestle (2).

8. A method of loading on board a vessel according to claim 7, wherein the vessel (12) carrying the bridge rib (1) away from the trestle (2) comprises:

s41: the ship (12) moves a set distance to the front or the back of the ship (12) to enable the bridge arch rib (1) to deviate from the right upper part of the slideway (3);

s42: -removing the vessel (12) from under the trestle (2) by pulling the first line (10).

9. The method of loading on a ship of claim 7, characterized in that the longspan bridge rib uplift and uplift loading structure further comprises steel strands (6); s0 is also included before S1;

s0: and the sliding shoes (4) are arranged at two ends of the bridge arch rib (1), and two ends of the steel strand (6) are respectively fixedly connected with two ends of the bridge arch rib (1).

10. The method of loading on a ship according to claim 7, characterized in that the longspan bridge rib uplift and uplift loading structure further comprises a support frame (5) and a buttress (11);

s00 is also included before S0;

s00: fixedly connecting the support frame (5) below the bridge arch rib (1), and building a buttress (11) on a bearing deck of the ship (12);

s3, the ship (12) supports the bridge arch rib (1) through the support frame (5) supported by the buttress (11).

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