CN210529503U - Positioning device for beam-transporting ship of suspension bridge - Google Patents
Positioning device for beam-transporting ship of suspension bridge Download PDFInfo
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- CN210529503U CN210529503U CN201921109599.7U CN201921109599U CN210529503U CN 210529503 U CN210529503 U CN 210529503U CN 201921109599 U CN201921109599 U CN 201921109599U CN 210529503 U CN210529503 U CN 210529503U
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Abstract
The utility model discloses a suspension bridge fortune roof beam ship positioner, positioner includes main push-towing rope, hoist engine, wire rope, steel box girder and fortune roof beam ship, be provided with 4 first direction coasters on the main push-towing rope, 4 first direction coasters symmetric distribution are in the both sides of steel box girder hoist and mount stride footpath, the hoist engine is provided with 4, and 4 hoist engines set up respectively at the top of the tower or the bottom of the tower of suspension bridge both sides main tower, and a hoist engine correspondence sets up a wire rope, and the hoist engine is used for receiving and releasing of wire rope, and first direction coaster connection fortune roof beam ship is passed to wire rope's one end. The utility model discloses a horizontal bridge advances line location to utilizing fortune roof beam ship self power, and the longitudinal bridge advances line location's technique to utilizing 4 wire ropes, has solved the unable problem of anchoring location of bridge position department fortune roof beam ship, has avoided the input of large-scale location tow boat and location anchor, and construction safety is high-efficient, controls the practicality strong, and has practiced thrift construction cost.
Description
Technical Field
The utility model relates to a suspension bridge steel case roof beam fortune roof beam ship construction field, concretely relates to suspension bridge fortune roof beam ship positioner.
Background
With the continuous progress of science and technology, the bridge construction is developed rapidly, particularly, since the twenty-first century, the bridge construction industry is developed vigorously, and bridges connected across inland rivers and islands are not enumerated. It can be known from the data of the bridge built in China that the beam-carrying ship is generally positioned by anchoring or auxiliary tugboats for positioning under the condition of anchoring, and the beam-carrying ship is generally positioned by power under the condition of no anchoring. The anchoring positioning is to throw the anchor at a positioning point in advance, and after the transportation ship arrives, the mooring rope is pulled to the transportation ship for positioning, so that the positioning time is long, and the positioning process is complex and tedious.
The bridge using dynamic positioning in domestic beam section transport ship includes Tianjin Haihe bridge, Taoshimen bridge and the Western-optical-department bridge similar to Xiushan bridge. In the area outside the boat mountain at the Xiushan bridge, submarine terrains at midspan and sides of the Xiushan are of deep V-shaped structures, bedrocks are exposed without covering layers, the maximum water depth is 103m, the flow rate of seawater is as high as 4m/s, the flow direction is complex, huge vortexes are generated when water flow is in a turbulent flow state and rising and falling tides due to the influence of sea open reefs and large tile kiln door islands, typhoons are frequent, the positioning of beam transport ships and the hoisting construction difficulty of steel box beams are high, and the marine tendency is rare. Therefore, the traditional beam transporting ship positioning construction technology cannot meet the steel box girder hoisting condition under the existing condition of the Xiushan bridge.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the defect that exists among the above-mentioned prior art, overcome fortune roof beam ship and be the difficult problem of location construction under the waters environment of bare rock, rivers condition turbulent flow torrent at the seabed, provide a suspension bridge fortune roof beam ship positioner.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a suspension bridge fortune roof beam ship positioner, includes main push-towing rope, hoist engine, wire rope, steel box girder and fortune roof beam ship at least, be provided with 4 first direction coasters on the main push-towing rope, 4 first direction coasters symmetric distribution are in the both sides of steel box girder hoist and mount span, the hoist engine is provided with 4, and 4 hoist engines set up respectively at the top of the tower of suspension bridge both sides main tower or the tower bottom, and a hoist engine corresponds sets up a wire rope, and the hoist engine is used for receiving and releasing of wire rope, and first direction coaster is passed to wire rope's one end and is connected the fortune roof beam ship.
And anchor piles are symmetrically arranged at the head and the tail of the beam transporting ship respectively.
The positioning device further comprises a guiding system which can pull the steel wire rope to the anchor pile of the beam-transporting ship.
The guiding system is 4 auxiliary traffic boats, rope heads are reserved on steel wire ropes correspondingly arranged on the winch, and the reserved rope heads of the steel wire ropes are used for being connected with the auxiliary traffic boats.
A section steel carrying pole beam is arranged above the steel box beam, and a second guide pulley is arranged at the end part of the carrying pole beam.
The main cable is further provided with a steel box girder lifting appliance, lifting lugs are arranged on the steel box girder, one end of the steel box girder lifting appliance is connected with the main cable, and the other end of the steel box girder lifting appliance is connected with the lifting lugs on the steel box girder.
A positioning construction method for a beam-transporting ship of a suspension bridge adopts a transverse bridge direction to position by utilizing the power of the beam-transporting ship; the longitudinal bridge direction is positioned by using 4 steel wire ropes.
The utility model has the advantages as follows:
1. the conventional ship anchoring and positioning mode is changed into the mode of positioning by adopting 4 steel wire ropes, so that the construction problem that bare rocks have no covering layer and a beam transporting ship cannot be anchored and positioned is well solved, the steel wire ropes are convenient to draw, safe and reliable, and good construction economic benefits and social benefits are created for projects and enterprises.
2. The utility model has the advantages of convenient operation, fast positioning, convenient and fast anchor lifting, etc.
Drawings
FIG. 1 is a first schematic view of positioning of a suspension bridge girder transport ship;
FIG. 2 is a second schematic view of the positioning of a suspension bridge girder transport ship;
FIG. 3 is a third schematic view of the positioning of a suspension bridge girder transport ship;
FIG. 4 is a fourth schematic view of the positioning of a suspension bridge girder transport vessel;
fig. 5 is a schematic structural view of the connection of the steel wire rope and the guide pulley.
Description of reference numerals:
1. a steel box girder; 2. a beam transporting ship; 3. anchoring piles; 4. a main cable; 5. a wire rope; 6. a winch; 7. a first guide block; 8. a steel box girder hanger; 9. a catwalk; 10. an auxiliary transportation vessel; 11. a second guide block; 12. and a third guide pulley.
Detailed Description
In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1
As shown in fig. 1 and 3, a positioning device for a suspension bridge girder transport ship at least comprises a main cable 4, a winch 6, a steel wire rope 5, a steel box girder 1 and a girder transport ship 2, wherein 4 guide pulleys 7 are arranged on the main cable 4, the 4 guide pulleys 7 are symmetrically distributed on two sides of a hoisting span of the steel box girder 1, 4 winches 6 are arranged on the main cable 4, the 4 winches 6 are respectively arranged on the top or bottom of a main tower on two sides of a suspension bridge, one winch 6 is correspondingly provided with one steel wire rope 5, the winch 6 is used for winding and unwinding the steel wire rope 5, and one end of the steel wire rope 5 penetrates through the guide pulleys 7 to be connected with the girder transport ship 2.
The utility model discloses taken the cross bridge to adopting fortune roof beam ship self power to fix a position, the longitudinal bridge is fixed to both sides top of the tower, the bottom of the tower or anchorage the hoist to make its construction method fixed with the anchor pile of fortune roof beam ship be connected through wire rope or guiding system. The problem that the beam transporting ship at the bridge position cannot be anchored and positioned is solved, investment of large positioning tugboats and positioning anchors is avoided, construction is safe and efficient, operation and control practicability is high, construction cost is saved to the maximum degree, good economic benefits and social benefits are created for projects and enterprises, and the beam transporting ship is worth further popularization and application in positioning construction of steel box beam transporting ships in similar water areas.
Example 2
On the basis of the embodiment 1, the positioning device further comprises a guiding system, the guiding system is 4 auxiliary traffic boats 10, rope heads with certain lengths are reserved on the steel wire ropes 5 correspondingly arranged on the windlass 6 and used for being connected with the auxiliary traffic boats 10, anchor piles 3 are symmetrically arranged on the head side and the tail side of the beam transporting boat 2 respectively, the auxiliary traffic boat 10 can pull the steel wire ropes 5 to the anchor piles 3 of the beam transporting boat 2, two steel wire ropes are anchored to the anchor piles on the stern 2 of the beam transporting boat firstly, and the remaining two steel wire ropes are anchored to the anchor piles on the bow of the beam transporting boat 2.
Furthermore, in order to ensure that the traction steel wire rope can be smoothly pulled, a section steel carrying pole beam is arranged above the steel box beam 1, and a second guide pulley 11 is arranged at the end part of the carrying pole beam.
Further, as shown in fig. 3, a steel box girder hanger 8 is further arranged on the main cable 4, a lifting lug is arranged on the steel box girder 1, one end of the steel box girder hanger 8 is connected with the main cable 4, and the other end of the steel box girder hanger 8 is connected with the lifting lug on the steel box girder 1. In the connection process, the position of the beam transporting ship 2 is required to be always kept within an allowable range, and the position of the beam transporting ship is corrected in time by adjusting the winch in time.
Example 3
As shown in fig. 3 and 4, a positioning construction method for a suspension bridge girder transport ship comprises the following steps:
s1, positioning the transverse bridge direction of the girder transport ship: firstly, the steel box girder lifting appliance 8 is put to a certain position to be used as a reference object for primary positioning of the girder transporting ship 2, then, tide jacking operation is selected according to the rising and falling tide directions, the power of the ship is utilized to resist the water flow force, and the girder transporting ship 2 is preliminarily adjusted to be below the steel box girder lifting appliance 8;
s2, longitudinal bridge positioning of the girder transport ship: firstly, according to the hoisting position of a steel box girder 1, 4 guide pulleys 7 are respectively fixed at a preset position on a main cable 4, then a steel wire rope 5 is placed downwards through a winch 6, one end of the steel wire rope 5, which is reserved with a rope head with a certain length, is connected with an auxiliary transportation ship 10, the auxiliary transportation ship 10 pulls the steel wire rope 5 to an anchor pile 3 of a beam transporting ship 2, and meanwhile, the beam transporting ship 2 moves the position of the beam transporting ship 2 slightly according to the hoisting requirement, so that the beam transporting ship 2 is precisely positioned.
Example 4
On the basis of the above embodiment, the longitudinal bridge direction positioning mode of the girder transport ship is as follows:
the first method is as follows: the steel wire rope of the tower top winch bypasses the guide pulley on the main cable to be placed to a certain height away from the water surface or to be placed on the beam surface of the steel box, the steel wire rope passes through the first steering wheel arranged on the steel cantilever and then is placed to a certain height away from the water surface, when the steel box is hoisted, the beam transporting ship is primarily positioned through self power and then is pulled through the auxiliary ship to be connected and fixed with the anchor pile on the beam transporting ship.
The second method comprises the following steps: the method comprises the steps that rope heads with a certain length are reserved on steel wire ropes of a tower bottom winch, when steel box girders are hoisted, after a beam transporting ship is preliminarily positioned through self power, the steel wire ropes are pulled by the auxiliary ship to be connected and fixed with anchor piles on the beam transporting ship, the auxiliary transportation ship drives away from the beam transporting ship, the steel wire ropes are collected and released by the winch, the plane position of the beam transporting ship is adjusted by slightly adjusting the winch steel wire ropes through inching, the steel box girders are well connected with hoisting hangers, the steel box girders are lifted, after the steel box girders are hoisted in place, the winch loosens the ropes and removes the connection between the steel wire ropes and the beam transporting ship, and the direction of the pulling steel wire ropes is adjusted.
Example 5
A positioning construction method for a suspension bridge beam-transporting ship comprises the following steps:
s1, positioning the transverse bridge direction of the girder transport ship: firstly, a steel box girder lifting appliance 8 is put to a certain position (the height of the steel box girder lifting appliance is 100 cm-200 cm away from the top surface of the steel box girder) to be used as a reference object for primary positioning of a beam transporting ship 2, then, tide jacking operation is selected according to the rising and falling tide directions, the power of the ship is utilized to resist the water flow force, and the beam transporting ship 2 is preliminarily adjusted to be below the steel box girder lifting appliance 8;
s201, positioning a longitudinal bridge direction of a girder transporting ship in a main span middle section area of a suspension bridge, and constructing the girder transporting ship section by section in sequence according to the sequence from the middle span to two sides by taking the main span middle span as a boundary: respectively fixing 4 guide pulleys 7 at preset positions on a main span main cable 4, then respectively placing 4 windlasses 6 on tower top door frames of main towers at two sides of a suspension bridge to receive and release a steel wire rope 5, as shown in fig. 5, lowering the steel wire rope 5 to the water surface for 2m through the guide pulleys 7 along a catwalk 9 of the main cable 4, and after a steel box girder 1 is hoisted, primarily positioning the girder transport ship 2 through self power, dragging the girder transport ship 2 to an anchor pile 3 of the girder transport ship 2 through an auxiliary transport ship 10 to realize the accurate positioning of the main span middle section girder transport ship 2 of the suspension bridge;
s202, positioning the longitudinal bridge direction of the girder transporting ship at the end part of the main span of the suspension bridge: firstly, respectively fixing 4 guide pulleys 7 at preset positions on a main span main cable 4, then respectively placing 4 windlasses 6 at the tower bottoms of main towers at two sides of a suspension bridge to collect and release a steel wire rope 5, arranging a third guide pulley 12 on a cross beam at the tower bottom, enabling the steel wire rope 5 to bypass the third guide pulley 12, lowering the steel wire rope to a water surface through the guide pulleys 7 for 2m, connecting the steel wire rope 5 with an auxiliary traffic ship 10, and drawing the steel wire rope 5 to an anchor pile 3 of the beam transporting ship 2 through the auxiliary traffic ship 10 to realize the accurate positioning of the beam transporting ship 2 at the end parts of the main span of the suspension bridge;
s203, positioning the longitudinal bridge direction of the regional girder transporting ship at the lower section of the side span of the suspension bridge: respectively fixing 4 guide pulleys 7 at preset positions on the side span main cable 4, and then placing 2 windlasses 6 on a tower top portal frame of a main tower on one bank of the suspension bridge, wherein 2 windlasses 6 are placed on the side span side pier; the steel wire rope 5 is lowered to the water surface for 2m through the guide pulley 7 and is connected with the auxiliary transportation vessel 10, and the steel wire rope 5 is pulled to the anchor pile 3 of the girder transportation vessel 2 through the auxiliary transportation vessel 10, so that the accurate positioning of the girder transportation vessel 2 at the lower section of the side span of the suspension bridge is realized;
s204, positioning the longitudinal bridge direction of the girder transporting ship in the side span and middle section area of the suspension bridge: 2 winches 6 are placed on a steel cofferdam at the bottom of a main tower at one bank of the suspension bridge, 2 winches 6 are placed on a side span side pier, a third guide pulley 12 is arranged on a cross beam at the bottom of the tower, a steel wire rope 5 bypasses the third guide pulley 12 and is placed on the water surface for 2m and is connected with an auxiliary traffic ship 10, and the steel wire rope 5 is pulled to an anchor pile 3 of the girder transport ship 2 through the auxiliary traffic ship 10, so that the accurate positioning of the side span middle section girder transport ship 2 of the suspension bridge is realized;
s205, longitudinal bridge positioning of the girder transporting ship in the upper section area of the side span of the suspension bridge: 2 winches 6 are placed on a steel cofferdam at the bottom of a main tower at one bank of the suspension bridge, 2 winches 6 are placed on a side span side pier, and as shown in figure 2, a steel wire rope 5 is wound and unwound through the winches 6, so that the accurate positioning of the beam transporting ship 2 at the upper section of the side span of the suspension bridge is realized.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Although embodiments of steel box girder ship positioning under complex sea conditions have been described in language specific to features or methods. The appended claims are not necessarily limited to the specific features or methods described. The components and structures of the present embodiments that are not described in detail are well known in the art and are not described in detail herein.
Claims (6)
1. The positioning device for the girder transporting ship of the suspension bridge is characterized by at least comprising a main cable (4), a winch (6), steel wire ropes (5), a steel box girder (1) and the girder transporting ship (2), wherein the main cable (4) is provided with 4 first guide pulleys (7), the 4 first guide pulleys (7) are symmetrically distributed on two sides of a hoisting span of the steel box girder (1), the winch (6) is provided with 4, the 4 winches (6) are respectively arranged on the top of a tower or the bottom of a tower of a main tower on two sides of the suspension bridge, one winch (6) is correspondingly provided with one steel wire rope (5), the winch (6) is used for winding and unwinding the steel wire ropes (5), and one end of each steel wire rope (5) penetrates through the first guide pulleys (7) to be connected with the girder transporting ship (2).
2. The positioning device for the beam-transporting ship of the suspension bridge according to claim 1, characterized in that the head and the tail of the beam-transporting ship (2) are symmetrically provided with anchor piles (3) respectively.
3. A positioning device for a girder transport vessel of a suspension bridge according to claim 2, characterized in that it further comprises a guiding system for pulling the wire rope (5) to the anchor piles (3) of the girder transport vessel (2).
4. The positioning device for the suspension bridge girder transporting ship according to claim 3, wherein the guiding system comprises 4 auxiliary transportation ships (10), rope heads are reserved on the steel wire ropes (5) correspondingly arranged on the windlass (6), and the reserved rope heads of the steel wire ropes (5) are used for being connected with the auxiliary transportation ships (10).
5. The positioning device for the suspension bridge girder transport ship according to claim 1, wherein a steel carrying pole beam is arranged above the steel box girder (1), and a second guide pulley (11) is arranged at the end part of the carrying pole beam.
6. The positioning device for the girder transporting ship of the suspension bridge according to claim 1, wherein a steel box girder hanger (8) is further arranged on the main cable (4), a lifting lug is arranged on the steel box girder (1), one end of the steel box girder hanger (8) is connected with the main cable (4), and the other end of the steel box girder hanger (8) is connected with the lifting lug on the steel box girder (1).
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| CN201921109599.7U CN210529503U (en) | 2019-07-16 | 2019-07-16 | Positioning device for beam-transporting ship of suspension bridge |
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| CN201921109599.7U CN210529503U (en) | 2019-07-16 | 2019-07-16 | Positioning device for beam-transporting ship of suspension bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396930A (en) * | 2019-07-16 | 2019-11-01 | 中交二公局第二工程有限公司 | A kind of suspension bridge fortune beam ship positionning device and positioning construction method |
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- 2019-07-16 CN CN201921109599.7U patent/CN210529503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396930A (en) * | 2019-07-16 | 2019-11-01 | 中交二公局第二工程有限公司 | A kind of suspension bridge fortune beam ship positionning device and positioning construction method |
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