CN117985176A - Construction ship positioning system under water flow state and positioning method thereof - Google Patents
Construction ship positioning system under water flow state and positioning method thereof Download PDFInfo
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- CN117985176A CN117985176A CN202410085332.8A CN202410085332A CN117985176A CN 117985176 A CN117985176 A CN 117985176A CN 202410085332 A CN202410085332 A CN 202410085332A CN 117985176 A CN117985176 A CN 117985176A
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- 238000010276 construction Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 119
- 239000010959 steel Substances 0.000 claims abstract description 119
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides a construction ship positioning system and a positioning method thereof under a water flow state, wherein 4 corners of a ship are respectively provided with a set of positioning device, and each set of positioning device comprises a steel pile casing, a positioning steel pipe, two reaction frames and two jacks; the steel pile casing runs through the deck and the ship bottom plate and is welded and fixed, the positioning steel pipe is movably inserted into the steel pile casing, the two reaction frames are respectively positioned at two sides of the steel pile casing, a spandrel girder is inserted on the positioning steel pipe, the two jacks are respectively arranged at the top surfaces of two ends of the spandrel girder, a reaction girder is erected on each jack, and the two reaction girders are respectively supported at the bottoms of limiting pin rods on the two reaction frames. When the ship runs, the positioning steel pipe is lifted and supported on the steel pile casing, the positioning steel pipe is lowered to the river bed during ship positioning, the lower end of the positioning steel pipe is tightly propped against the river bed through jack back pressure, and the problem that the ship generates displacement due to water flow and mechanical construction vibration on the ship can be solved.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and relates to a positioning system and a positioning method for preventing the position of a ship from moving in a water flow state when the ship is used as a construction platform for underwater bridge construction.
Background
River-crossing bridge construction often uses vessels as the water construction platforms for pile drivers, cranes, and the like. In the construction process, the ship is usually positioned by means of the ship anchor and the anchor rope, but the ship anchor cannot be completely fixed on a river bed, the anchor rope also has certain elasticity, and is influenced by the impact force of water flow, the vibration of construction machinery on the ship and other factors, the position of the ship can deviate, and the construction precision is influenced to a certain extent.
Disclosure of Invention
The invention aims to solve the problems and provide a construction ship positioning system and a positioning method thereof under a water flow state, which can keep the ship fixed in position during construction and provide a stable construction platform for a water construction machine.
The invention provides a construction ship positioning system in a water flow state, which comprises a construction ship and is characterized in that: the 4 corners of the ship are provided with a set of positioning devices, and each set of positioning device comprises a steel casing, a positioning steel pipe, two reaction frames and two jacks;
The 4 corners of the ship are vertically provided with steel casing jacks, the steel casing jacks penetrate through the deck and the bottom plate of the ship, a steel casing is inserted into each steel casing jack, the upper end of each steel casing protrudes above the deck, and the outer wall of each steel casing is welded with the deck and the bottom plate of the ship in the circumferential direction;
each steel pile casing is movably penetrated with one positioning steel pipe, the pipe wall of the positioning steel pipe is provided with a plurality of pin holes in an annular equidistant manner, and the pipe wall of the positioning steel pipe is provided with at least one pair of penetrated spandrel girder insertion holes above the pin holes along the longitudinal direction of the ship; when two or more pairs of bearing beam jacks are arranged, each pair of bearing beam jacks is arranged at different heights of the positioning steel pipe;
Each reaction frame comprises a base, the bases of the two reaction frames are respectively and fixedly arranged on decks on two sides of the upper end of the steel pile casing along the longitudinal direction of the ship, 4 vertical rods are welded on each base, the 4 vertical rods are longitudinally arranged on the base along the ship, every two vertical rods form a group, a plurality of pairs of pin rod jacks which penetrate through the steel pile casing are longitudinally arranged on each group of two vertical rods along the longitudinal direction of the ship, and the pairs of pin rod jacks are longitudinally equidistantly arranged along the vertical rods;
A bearing beam is movably inserted in the two bearing beam insertion holes on the positioning steel pipe along the longitudinal direction of the ship, two ends of the bearing beam extend out of two sides of the positioning steel pipe along the transverse direction of the ship respectively, the top surfaces of two ends of the bearing beam are vertically provided with a jack respectively, and each jack top horizontally builds a counter-force beam along the transverse direction of the ship; two opposite pin jacks on each group of vertical rods of each reaction frame are movably inserted with a limiting pin, and top surfaces at two ends of the reaction beams are respectively supported at bottoms of two pin rods on two groups of vertical rods of the two reaction frames which are transversely opposite along the ship.
The positioning method of the construction ship positioning system under the water flow state is characterized by comprising the following steps of:
(1) The bearing beam and the jack on the bearing beam on the positioning steel pipe of each positioning device are not installed firstly; lifting the positioning steel pipe by using lifting equipment on a ship, so that the positions of pin holes on the positioning steel pipe are higher than the upper end of the steel casing, inserting a bolt into each pin hole, and then lowering the positioning steel pipe by using lifting equipment, so that one end of the bolt positioned outside the positioning steel casing is supported on the wall of the upper end of the steel casing, and the lower end of the positioning steel pipe is in a suspended state;
(2) The construction ship runs to a construction position to be anchored and moored;
(3) Lifting the positioning steel pipe by using shipboard lifting equipment, pulling out the bolt, and then lowering the positioning steel pipe to support the lower end of the positioning steel pipe on a river bed;
(4) Inserting a spandrel girder into spandrel girder insertion holes on the positioning steel pipes, placing jacks on top surfaces of two ends of the spandrel girder, and erecting a counter-force girder on the jacks; inserting pins into a pair of pin insertion holes on each group of vertical rods on the reaction frame, wherein the pin insertion holes are higher than the top surface of the reaction beam;
(5) The jack pushes the counterforce beam upwards, top surfaces at two ends of the counterforce beam respectively jack pins on two groups of vertical rods of the two counterforce frames which are opposite to each other along the transverse direction of the ship, and the jack pushes the bearing beam downwards through counterforce provided by the counterforce beam, so that the lower end of the positioning steel pipe jacks the river bed tightly, and the ship is positioned; in the ship construction process, the jack is always in a propping state;
(6) And (3) unloading the jack after the construction of one position is completed, suspending the positioning steel pipe again by adopting the method of the step (1), driving the ship to the next construction position, and positioning the ship again according to the methods of the steps (2) to (5).
According to the invention, the positioning steel pipe is inserted into the riverbed at the angle of the ship 4 to assist the ship anchor to position the ship, so that the problem that the ship is displaced due to water flow and mechanical construction vibration on the ship can be solved. The invention has simple structure and convenient operation, and can be suitable for positioning various geologic riverbeds and ships with different water depths.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a side view of the marine vessel of the present invention in a traveling state;
FIG. 3 is a side view of the vessel of the present invention in a positioned state;
FIG. 4 is a schematic plan view of a positioning device according to the present invention;
FIG. 5 is an elevation view of a set of positioning devices along the transverse direction of the vessel while the vessel is in a driving condition;
FIG. 6 is an elevation view of a set of positioning devices along the longitudinal direction of the vessel while the vessel is in a driving condition;
FIG. 7 is an elevation view of a set of positioning devices along the transverse direction of the vessel in the positioned condition of the vessel;
Fig. 8 is an elevation of a set of positioning means in the longitudinal direction of the vessel in the positioned state of the vessel.
Detailed Description
As shown in fig. 1, 2 and 3, the construction ship positioning system in the water flow state provided by the invention comprises a construction ship 1, wherein 4 corners of the ship 1 are provided with a set of positioning devices 2, and each set of positioning device comprises a steel casing, a positioning steel pipe, two reaction frames and two jacks;
As shown in fig. 4 to 8, 4 corners of the ship 1 are respectively vertically provided with a steel casing jack, the steel casing jack penetrates through the deck and the bottom plate of the ship, a steel casing 21 is inserted into each steel casing jack, the upper end of the steel casing 21 protrudes above the deck of the ship, and the outer wall of the steel casing 21 is welded with the deck and the bottom plate of the ship 1 in a circumferential direction;
Each steel pile casing 21 is movably penetrated with one positioning steel pipe 22, the pipe wall of the positioning steel pipe 22 is provided with a plurality of pin holes 221 in a circumferential equidistant manner, and the pipe wall of the positioning steel pipe 22 is provided with at least one pair of opposite spandrel girder insertion holes 222 above the pin holes 221 along the longitudinal direction of the ship; when two or more pairs of bearing beam jacks are arranged, each pair of bearing beam jacks is arranged at different heights of the positioning steel pipe and is used for adapting to different water depths;
Each reaction frame comprises a base 23, the bases 23 of the two reaction frames are respectively and fixedly arranged on ship decks at two sides of the upper end of the steel pile casing 21 along the longitudinal direction of a ship, 4 vertical rods 24,4 are welded on each base 23 and are longitudinally arranged on the base along the ship, each two vertical rods 24 are in a group, a plurality of pairs of pin jack 241 which are penetrated in pairs are longitudinally arranged on each group of two vertical rods along the ship, and the pairs of pin jack are longitudinally equidistantly arranged along the vertical rods;
A bearing beam 25 is movably inserted in the two bearing beam insertion holes 222 on the positioning steel pipe 22 along the longitudinal direction of the ship, two ends of the bearing beam 25 extend out of two sides of the positioning steel pipe 22 along the transverse direction of the ship respectively, the top surfaces of two ends of the bearing beam 25 are vertically provided with a jack 26 respectively, and the top of each jack 26 is horizontally provided with a counter-force beam 27 along the transverse direction of the ship; a limiting pin 28 is movably inserted into two opposite pin insertion holes 241 on each group of vertical rods 24 of each reaction frame, and top surfaces at two ends of the reaction beam 27 are respectively supported at bottoms of two pin 28 on two groups of vertical rods of the two reaction frames which are opposite along the transverse direction of the ship.
The bottom plates of the bow and stern of the vessel are typically of upturned construction. When the invention is embodied, the lower ends of the 4-angle steel casing jacks of the ship 1 can be respectively arranged at the positions of the bow and stern bottom plates, which are tilted upwards to be above the water surface line, so that the welding between the outer wall of the steel casing and the bottom plates is convenient.
In the implementation of the present invention, in order to ensure the strength of the vertical rods and keep the vertical rods in a vertical state, an inclined strut 29 may be welded between the outer side of each vertical rod 24 and the deck of the ship.
In the implementation of the invention, each vertical rod 24 of the reaction frame can be made of I-steel, the web plate surface of the I-steel is transversely arranged along the ship, and pin rod insertion holes 241 on the vertical rods 24 are formed in the web plate of the I-steel.
In the construction ship positioning system under the water flow state, the ship positioning method in the ship construction process is as follows:
(1) In the state shown in fig. 2, 5 and 6, the load beam on the positioning steel pipe 22 and the jack on the load beam of each positioning device are not installed first; lifting the positioning steel pipe 22 by using lifting equipment on a ship, so that the positions of pin holes 221 on the positioning steel pipe 22 are higher than the upper end of the steel casing 21, inserting a bolt 20 into each pin hole 221, and then lowering the positioning steel pipe by using lifting equipment, so that one end of the bolt 20 positioned outside the positioning steel casing is supported on the wall of the upper end of the steel casing 21, and at the moment, the lower end of the positioning steel pipe 22 is in a suspended state;
(2) The construction ship 1 runs to a construction position to be anchored and moored;
(3) In the state shown in fig. 3, 7 and 8, the positioning steel pipe 22 is lifted by using a ship-mounted lifting device, the plug pin 20 is pulled out, and then the positioning steel pipe is lowered, so that the lower end of the positioning steel pipe 22 is supported on a river bed;
(4) Then, inserting a spandrel girder 25 into spandrel girder insertion holes 222 on the positioning steel pipes 22, placing jacks 26 on top surfaces of two ends of the spandrel girder 25, and erecting a counter-force beam 27 on the jacks 26; pins 28 are inserted into a pair of pin insertion holes 241 on each set of vertical rods 24 on the reaction frame, which are higher than the top surface of the reaction beam 27;
(5) Starting a jack 26 to push the counter-force beam 27 upwards, respectively pushing the top surfaces at two ends of the counter-force beam 27 against limit pin rods 28 on two groups of vertical rods of which two counter-force frames are opposite in the transverse direction of the ship, and pushing the bearing beam 25 downwards by the jack through counter-force provided by the counter-force beam, so that the lower end of the positioning steel pipe 22 is pushed against a river bed, and positioning the ship 1; in the ship construction process, the jack is always in a jacking state.
When the river bed is softer, the lower end of the positioning steel pipe is inserted below the river bed surface through the pressure of the jack until the positioning steel pipe is inserted, if the insertable depth of the positioning steel pipe exceeds one jacking distance of the jack, the jack can return oil firstly, the limiting pin is replaced into a lower pin jack, and the jack is used for jacking the positioning steel pipe again; when the river bed is of a bare rock, the river bed is harder, the lower end of the positioning steel pipe is tightly propped against the river bed by the pressure of the jack, and the lower end of the positioning steel pipe is prevented from sliding on the river bed, so that the ship is prevented from moving.
(6) And (3) unloading the jack after the construction of one position is completed, suspending the positioning steel pipe again by adopting the method of the step (1), driving the ship to the next construction position, and positioning the ship again according to the methods of the steps (2) to (5).
Claims (5)
1. The utility model provides a construction ship positioning system under rivers state, includes construction ship, its characterized in that: the 4 corners of the ship are provided with a set of positioning devices, and each set of positioning device comprises a steel casing, a positioning steel pipe, two reaction frames and two jacks;
The 4 corners of the ship are vertically provided with steel casing jacks, the steel casing jacks penetrate through the deck and the bottom plate of the ship, a steel casing is inserted into each steel casing jack, the upper end of each steel casing protrudes above the deck, and the outer wall of each steel casing is welded with the deck and the bottom plate of the ship in the circumferential direction;
each steel pile casing is movably penetrated with one positioning steel pipe, the pipe wall of the positioning steel pipe is provided with a plurality of pin holes in an annular equidistant manner, and the pipe wall of the positioning steel pipe is provided with at least one pair of penetrated spandrel girder insertion holes above the pin holes along the longitudinal direction of the ship; when two or more pairs of bearing beam jacks are arranged, each pair of bearing beam jacks is arranged at different heights of the positioning steel pipe;
Each reaction frame comprises a base, the bases of the two reaction frames are respectively and fixedly arranged on decks on two sides of the upper end of the steel pile casing along the longitudinal direction of the ship, 4 vertical rods are welded on each base, the 4 vertical rods are longitudinally arranged on the base along the ship, every two vertical rods form a group, a plurality of pairs of pin rod jacks which penetrate through the steel pile casing are longitudinally arranged on each group of two vertical rods along the longitudinal direction of the ship, and the pairs of pin rod jacks are longitudinally equidistantly arranged along the vertical rods;
A bearing beam is movably inserted in the two bearing beam insertion holes on the positioning steel pipe along the longitudinal direction of the ship, two ends of the bearing beam extend out of two sides of the positioning steel pipe along the transverse direction of the ship respectively, the top surfaces of two ends of the bearing beam are vertically provided with a jack respectively, and each jack top horizontally builds a counter-force beam along the transverse direction of the ship; two opposite pin jacks on each group of vertical rods of each reaction frame are movably inserted with a limiting pin, and top surfaces at two ends of the reaction beams are respectively supported at bottoms of two pin rods on two groups of vertical rods of the two reaction frames which are transversely opposite along the ship.
2. The construction vessel positioning system according to claim 1, wherein: the lower ends of the steel casing jacks at the 4 corners of the ship are respectively arranged at the positions of the bow bottom plate and the stern bottom plate, which are tilted upwards to be above the water surface line.
3. The construction vessel positioning system according to claim 1, wherein: and an inclined stay bar is welded between the outer side of each vertical rod and the deck of the ship.
4. The construction vessel positioning system according to claim 1, wherein: each vertical rod of the reaction frame adopts I-steel, the web plate surface of the I-steel is transversely arranged along the ship, and pin rod insertion holes on the vertical rods are formed in the web plate of the I-steel.
5. A positioning method of a construction ship positioning system in a water current state according to any one of claims 1 to 4, characterized by:
(1) The bearing beam and the jack on the bearing beam on the positioning steel pipe of each positioning device are not installed firstly; lifting the positioning steel pipe by using lifting equipment on a ship, so that the positions of pin holes on the positioning steel pipe are higher than the upper end of the steel casing, inserting a bolt into each pin hole, and then lowering the positioning steel pipe by using lifting equipment, so that one end of the bolt positioned outside the positioning steel casing is supported on the wall of the upper end of the steel casing, and the lower end of the positioning steel pipe is in a suspended state;
(2) The construction ship runs to a construction position to be anchored and moored;
(3) Lifting the positioning steel pipe by using shipboard lifting equipment, pulling out the bolt, and then lowering the positioning steel pipe to support the lower end of the positioning steel pipe on a river bed;
(4) Inserting a spandrel girder into spandrel girder insertion holes on the positioning steel pipes, placing jacks on top surfaces of two ends of the spandrel girder, and erecting a counter-force girder on the jacks; inserting pins into a pair of pin insertion holes on each group of vertical rods on the reaction frame, wherein the pin insertion holes are higher than the top surface of the reaction beam;
(5) The jack pushes the counterforce beam upwards, top surfaces at two ends of the counterforce beam respectively jack pins on two groups of vertical rods of the two counterforce frames which are opposite to each other along the transverse direction of the ship, and the jack pushes the bearing beam downwards through counterforce provided by the counterforce beam, so that the lower end of the positioning steel pipe jacks the river bed tightly, and the ship is positioned; in the ship construction process, the jack is always in a propping state;
(6) And (3) unloading the jack after the construction of one position is completed, suspending the positioning steel pipe again by adopting the method of the step (1), driving the ship to the next construction position, and positioning the ship again according to the methods of the steps (2) to (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410085332.8A CN117985176A (en) | 2024-01-21 | 2024-01-21 | Construction ship positioning system under water flow state and positioning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410085332.8A CN117985176A (en) | 2024-01-21 | 2024-01-21 | Construction ship positioning system under water flow state and positioning method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117985176A true CN117985176A (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410085332.8A Pending CN117985176A (en) | 2024-01-21 | 2024-01-21 | Construction ship positioning system under water flow state and positioning method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN117985176A (en) |
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- 2024-01-21 CN CN202410085332.8A patent/CN117985176A/en active Pending
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