CN108453661B - Semi-submersible platform propeller installation tool with adjusting support - Google Patents
Semi-submersible platform propeller installation tool with adjusting support Download PDFInfo
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- CN108453661B CN108453661B CN201810538056.0A CN201810538056A CN108453661B CN 108453661 B CN108453661 B CN 108453661B CN 201810538056 A CN201810538056 A CN 201810538056A CN 108453661 B CN108453661 B CN 108453661B
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- platform
- propeller
- submersible
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- 238000009434 installation Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 46
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 230000007306 turnover Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a semi-submersible platform propeller installation tool with an adjusting support, which comprises a supporting platform (1) in a steel structure frame form, wherein surrounding plates (3) are arranged around the supporting platform, telescopic supporting legs (4) which are vertically and penetratingly arranged around the supporting platform (1), and a semi-submersible platform propeller seabed supporting tool which is arranged on the upper part of the supporting platform (1). According to the invention, the propeller is placed on the seabed supporting tool platform of the semi-submersible propeller, and the upper part of the semi-submersible propeller is provided with the supporting structure capable of supporting the propeller, so that the propeller stands on the seabed in an upright and stable state. The bearing structure can be laid down, so that the height of the supporting tool is reduced below the mounted propeller, and the ship can be moved. The installation period of the propeller of the semi-submersible drilling platform is shortened while the high cost for treating the seabed is saved.
Description
Technical Field
The invention relates to the field of auxiliary semi-submersible drilling platform propeller installation equipment, in particular to a semi-submersible drilling platform propeller installation tool with an adjusting support.
Background
In the installation process of the propeller of the semi-submersible drilling platform, the propeller is required to be placed on the sea bottom, and then the propeller is lifted to a preset position by a lifting device for installation.
The flatness of the seabed in the water area where the propeller is installed greatly influences the stability of placement before installation. If the difference in elevation of the seabed area at the propeller placement position is too large, the propellers are disadvantageously placed stably or the placed propellers are dumped, so that the propellers cannot be installed. If the seabed is leveled, the cost is huge, and the installation and construction period of the propeller is prolonged.
Disclosure of Invention
The purpose of the invention is to ensure that the propeller of the semi-submersible drilling platform can be stably placed on the sea floor.
In order to achieve the above purpose, the invention provides a semi-submersible propeller installation tool with an adjusting support, which comprises a supporting platform in the form of a steel structure frame with surrounding plates around, telescopic supporting legs vertically and penetratingly arranged around the supporting platform, and a semi-submersible propeller seabed supporting tool positioned at the upper part of the supporting platform. The telescopic support leg comprises an outer pipe fixed on the platform and an inner pipe sleeved in the outer pipe and freely moving along the axis direction of the outer pipe. The inner pipe is provided with n first inner pipe holes which are arranged in a row in the radial direction and are spaced from each other, n is more than 2, m second inner pipe holes which are arranged in a row are arranged on the inner pipe in a penetrating way in a space dislocation penetrating position with the n first inner pipe holes, and m is more than 1; the inner tube is provided with an axial limiting flat iron protruding out of the tube wall. Two rows of outer tube holes corresponding to the first inner tube holes and the second inner tube holes are formed in the outer tube in a penetrating manner; the outer tube is provided with an axial through groove matched with the axial limiting flat iron. The outer tube and the inner tube are fixed by inserting a plug through the first inner tube hole and the outer tube hole, or the outer tube and the inner tube are fixed by inserting a plug through the second inner tube hole and the outer tube hole. The height H of the inserted pin is less than half of the difference between the length L of the outer pipe hole and the vertical distance S from the edge of the first inner pipe hole to the edge of the second inner pipe hole adjacent to the first inner pipe hole, namely H is less than 1/2 (L-S).
The seabed supporting tool of the semi-submersible platform propeller comprises a base of a nine-grid framework structure which is arranged on the seabed and is composed of steel beams which are crossed in pairs, and a bearing mechanism which is arranged on the upper portion of the base. The bearing mechanism comprises a first support which is arranged perpendicular to the base and the two ends of the bottom of which are respectively fixed at the cross points of the steel beams of the base, and a second support which is arranged parallel to the first support and the bottom of which is fixed at the cross points of the steel beams of the base; the height of the first support is less than the height of the second support, and the maximum width of the first support is greater than the maximum width of the second support.
The first support comprises a first trapezoidal steel plate with a concave arc-shaped upper bottom, first trapezoidal side plates which are respectively perpendicular to two bevel edges of the first trapezoidal steel plate, and a concave arc-shaped first support supporting plate which is connected with the upper bottom edge of the first trapezoidal steel plate and matched with the supporting point of the propeller rectifying housing body. The second support comprises a second trapezoidal steel plate with a concave arc-shaped upper bottom, second trapezoidal side plates which are respectively perpendicular to two bevel edges of the second trapezoidal steel plate, and a concave arc-shaped second support supporting plate which is connected with the edge of the upper bottom edge of the second trapezoidal steel plate and matched with the supporting point of the gearbox shell of the propeller. The radian of the first supporting plate is larger than that of the second supporting plate; the lower half part of the second support is a fixed part, and the fixed part is connected with the overturning part of the upper half part through an external shaft rod;
the periphery of the fixing part is provided with a platform, and the platform is provided with a shaft bracket connected with the shaft rod and a worm gear reduction box positioned at the outer side of the shaft bracket and connected with the end part of the shaft rod;
the turnover part is connected with the shaft rod through a rotating bracket arranged on the second trapezoidal steel plate, and the turnover part rotates around the shaft rod in a direction deviating from the first supporting direction.
Preferably, the platform is paved with a plate, and the plate is a steel plate or a wood plate.
In the preferred mode, the coaming is provided with a lifting eye plate.
Under the preferred mode, the inner tube top is equipped with the head, is equipped with the spacing flat iron of circumference on the outer wall, and the lower part is the cockscomb structure.
In the preferred mode, the bolt is a rectangular flat iron with an insertion end being an inclined plane and a baffle plate at the outer end.
Preferably, the base is covered with steel plates at intervals of the nine-grid frames on the side or two sides of the bearing mechanism.
Under the preferred mode, the base is equipped with n two pair symmetrical sling hooks on the edge that is equipped with the supporting mechanism side, and n is greater than or equal to 4.
Preferably, the rotating bracket comprises a supporting leg fixed on the turnover part through a bolt, a supporting plate connected with the supporting leg, and a hoop connected with the supporting plate outside and sleeved with the shaft lever.
Preferably, the turning part and the fixing part are respectively provided with a horizontal outwards extending transverse plate at the connecting position of the turning part and the fixing part.
In a preferred mode, reset positioning blocks are arranged around the edge of the transverse plate on the fixing part.
According to the invention, the propeller is placed on the seabed supporting tool platform of the semi-submersible propeller, and the upper part of the semi-submersible propeller is provided with the supporting structure capable of supporting the propeller, so that the propeller stands on the seabed in an upright and stable state. The bearing structure can be laid down, so that the height of the supporting tool is reduced below the mounted propeller, and the ship can be moved. The invention firstly hangs on the seabed, then levels the platform through the telescopic supporting legs, locks the telescopic supporting legs by using the bolts, loads ballast iron with the weight equal to that of the propeller on the platform, compacts the platform, installs the propeller on a semi-submersible propeller seabed supporting tool, and then places the semi-submersible propeller seabed supporting tool with the propeller on the adjusted platform to wait for installation. The invention omits the high cost of treating the seabed and shortens the installation period of the propeller of the semi-submersible drilling platform.
Drawings
Fig. 1 is a schematic plan view of a semi-submersible propeller installation tool with an adjusting support according to the present invention.
Fig. 2 is a schematic plan view of a semi-submersible thruster subsea support tooling platform in use in a semi-submersible thruster installation tooling with an adjustment support according to the present invention.
Fig. 3 is a schematic plan view of a semi-submersible thruster installation tool with an adjustable support according to the present invention, in which ballast iron is placed on a support platform.
Fig. 4 is a schematic top plan view of a support platform in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 5 is a schematic side plan view of a support platform with adjustable legs in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 6 is a schematic top plan view of an adjustable leg inner tube in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 7 is a schematic view of a front view plane structure of an adjustable leg inner tube in a semi-submersible propeller installation tool with an adjusting support according to the present invention.
FIG. 8 is a schematic side plan view of an adjustable leg inner tube of a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 9 is a schematic top plan view of an adjustable leg outer tube in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 10 is a schematic side plan view of an adjustable leg outer tube in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
FIG. 11 is a schematic top plan view of an adjustable leg of a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 12 is a schematic view of a front view of an adjustable leg in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
FIG. 13 is a schematic side plan view of an adjustable leg of a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 14 is a schematic top plan view of the installation tool for the semi-submersible platform propeller with the adjusting support, after the adjustable supporting leg is inserted and fixed by the bolt.
FIG. 15 is a schematic side plan view of a support platform with adjustable legs in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 16 is a schematic top plan view of a semi-submersible thruster subsea support tool in a semi-submersible thruster installation tool with an adjustment support according to the present invention.
Fig. 17 is a schematic side plan view of a semi-submersible thruster subsea support tool in a semi-submersible thruster installation tool with an adjustment support according to the present invention.
Fig. 18 is a schematic front plan view of a semi-submersible thruster mounting tool with an adjustable support, wherein a first support is mounted on a base.
Fig. 19 is a schematic view of a front view of a second support mounted on a base in a semi-submersible thruster mounting apparatus with an adjustment support according to the present invention.
Fig. 20 is a schematic view of a front view of a second support in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
FIG. 21 is a schematic side plan view of a second support in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 22 is a schematic top plan view of a second support in a semi-submersible propeller installation tool with an adjustment support according to the present invention.
Fig. 23 is a schematic side plan view of a semi-submersible propeller installation tool with an adjustment support according to the present invention when the turnover portion of the second support is rotated.
1. A support platform; 2. a sheet material; 3. coaming plate; 4. a retractable leg; 5. an outer tube; 51. an outer tube hole; 6. lifting the eye plate; 7. an inner tube; 71. an inner tube hole; 8. axially limiting the flat iron; 9. an axial slot; 10. a plug pin; 11. circumferential limit flat iron; 12. ballasting iron; 13. a base; 14. a first support; 141. a first trapezoidal steel plate; 142. a first support pallet; 143. a first trapezoidal side plate; 144. a first toggle plate; 15. a second support; 151. a second trapezoidal steel plate; 152. a second support pallet; 153. a second trapezoidal side plate; 154. a second toggle plate; 1511. a turnover part; 1512. a fixing part; 16. a shaft lever; 17. a platform; 18. a shaft bracket; 19. a worm gear reduction box; 20. a sling; 21. a rotating bracket; 211. a support leg; 212. a support plate; 213. a ferrule; 22. resetting the positioning block; 23. a sling hook; 24. propeller cowling; 25. a propeller gearbox; 26. and a transverse plate.
Detailed Description
As shown in fig. 1 to 3, the invention comprises a supporting platform 1 with surrounding plates 3 around, a telescopic supporting leg 4 vertically and penetratingly arranged around the supporting platform 1, and a semi-submersible propeller seabed supporting tool arranged on the upper part of the supporting platform 1, wherein the supporting platform 1, namely a main platform structure, is an i-beam frame, and steel plates and wood plates are paved on the supporting platform. Lifting eye plates 6 are uniformly arranged around the coaming plate 3 and are used for lifting the supporting platform 1.
As shown in fig. 4 to 15, the telescopic support leg 4 comprises an outer tube 5 fixed on the platform 1 and an inner tube 7 sleeved in the outer tube 5 and freely moving along the axis direction; the plate 2 is paved on the platform 1, and the plate 2 is a steel plate or a wood plate. The inner tube 7 is provided with n first inner tube holes 71 which are arranged in a radial line and are spaced from each other, n is more than 2, m second inner tube holes 72 which are arranged in a line are arranged on the inner tube 7 and are communicated with the n first inner tube holes 71 in space dislocation and insertion positions, and m is more than 1. An axial limiting flat iron 8 protruding out of the pipe wall of the inner pipe 7 is arranged on the inner pipe 7 and used for limiting the inner pipe 7 to rotate relative to the outer pipe 5 so as to ensure the fixation of the axial positions of the inner pipe 7 and the outer pipe; the top of the inner tube 7 is provided with a round sealing head, and the sealing head has the function of preventing the inner tube from completely sliding off the outer tube. The outer wall is provided with a circumferential limit flat iron 11, the lower part is cut into a zigzag shape which is beneficial to grabbing the ground, the inner tube is provided with square holes which radially penetrate through the inner tube, and the square holes are arranged on the inner tube in rows and staggered at certain intervals. The circumferential limit flat iron 11 ensures that the inner tube 7 does not deviate circumferentially relative to the outer tube 5 during use, and acts as a displacement for both to move in the horizontal direction.
Two rows of outer tube holes 51 corresponding to the first inner tube holes 71 and the second inner tube holes 72 are formed in the outer tube 5 in a penetrating manner, and the outer tube holes 51 are square holes and are arranged on the inner tube 7 at a certain interval Cheng Liebu. An axial through groove 9 matched with the axial limit flat iron 8 is formed in the outer tube 5, and the axial through groove 9 penetrates through the whole outer tube wall; the axial limit flat iron 8 on the inner tube 7 and the axial through groove 9 on the outer tube 5 limit the relative movement of the inner tube and the outer tube in a non-axial direction, so that the first inner tube hole 71 or the second inner tube hole 72 is aligned with the outer control 51 in the axial direction respectively. The outer tube 5 and the inner tube 7 are fixed by inserting a plug 10 through the first inner tube hole 71 and the outer tube hole 51, or the outer tube 5 and the inner tube 7 are fixed by inserting a plug 10 through the second inner tube hole 72 and the outer tube hole 51. The height H of the insertion of the plug 10 is less than half the difference between the length L of the outer tube hole 51 and the vertical distance S from the edge of the first inner tube hole 71 to the edge of the second inner tube hole 72 adjacent thereto, i.e., H < 1/2 (L-S). After the ballast iron is loaded, the bolt 10 is inserted into the telescopic support leg 4 to ensure that the telescopic support leg 4 can adapt to the uneven seabed so as to meet the levelness of the platform after being placed on the seabed. The bolt 10 is the inclined plane for inserting the end, inserts the end and cuts the oblique convenient inner tube hole of inserting, outer tube hole, and the end sets up the baffle and prevents the bolt landing, leaves rectangular flat iron of rectangular that the outer end was equipped with the baffle, inserts the end and makes things convenient for the constructor on seabed to insert the location operation for the inclined plane, and bolt structural style matches with inner tube hole shape, outer tube hole shape, distribution position, guarantees that the bolt can easily insert the tube hole, reduces diver's operation degree of difficulty under water.
The above-mentioned openings in the inner tube 7 and the outer tube 5 are characterized in that the plug 10 is inserted and fixed through the inner tube 7 and the outer tube 5 regardless of the axial relative positions of the two, and the principle is that the edge distance of the first inner tube hole 71 or the second inner tube hole 72, which is the difference between the height of the outer tube hole 51 of the outer tube 5 and the height of the different surfaces of the inner tube, is larger than twice the height of the plug 10, i.e., H < 1/2 (L-S).
As shown in fig. 16 to 19, the seabed supporting tool for the semi-submersible platform propeller comprises a base 13 arranged on the seabed and having a nine-grid framework structure formed by two-by-two crossed steel beams, and a bearing mechanism arranged on the upper portion of the base 13. The base 13 is covered with steel plates at intervals of nine-grid frames at the side or two sides of the bearing mechanism, so that the equipment bearing on the submarine support tool of the semi-submersible platform propeller can be effectively prevented from being knocked by submarine reefs. The base 13 is provided with n pairwise symmetrical sling hooks 23 on the edge of the side provided with the bearing mechanism, n is more than or equal to 4, and the sling hooks 23 are connected with hanging points on the semi-submersible platform propeller by slings 20 for fixing the semi-submersible platform propeller on a seabed supporting tool of the semi-submersible platform propeller.
The bearing mechanism comprises a first support 14 which is arranged perpendicular to the base 13 and the two ends of the bottom of which are respectively fixed at the cross point of the steel beam of the base 13, and a second support 15 which is arranged parallel to the first support 14 and the bottom of which is fixed at the cross point of the steel beam of the base 13; the height of the first support 14 is less than the height of the second support 15, and the maximum width of the first support 14 is greater than the maximum width of the second support 15. The first support 14 includes a first trapezoidal steel plate 141 with a concave arc-shaped upper bottom, a first trapezoidal side plate 143 perpendicular to two oblique sides of the first trapezoidal steel plate 141, and a concave arc-shaped first support supporting plate 142 connected to an upper bottom edge of the first trapezoidal steel plate 141 and matched with a supporting point of the casing of the propeller fairing 24.
As shown in fig. 20 to 23, the second support 15 includes a second trapezoidal steel plate 151 with a concave arc-shaped upper bottom, second trapezoidal side plates 153 respectively perpendicular to two oblique sides of the second trapezoidal steel plate 151, and a concave arc-shaped second support plate 152 connected to an upper bottom edge of the second trapezoidal steel plate 151 and matched with a supporting point of the casing of the propeller gearbox 25. The arc of the first support pallet 142 > the arc of the second support pallet 152. The lower half of the second support 15 is a fixing portion 1512, and the fixing portion 1512 is connected to the turning portion 1511 of the upper half through an external shaft 16. The periphery of the fixing portion 1512 is provided with a platform 17, and the platform 17 is provided with a shaft bracket 18 connected with the shaft lever 16 and a worm gear reduction box 19 positioned outside the shaft bracket 18 and connected with the end part of the shaft lever 16; the turnover part 1511 is connected to the shaft 16 through a rotating bracket 21 provided on the second trapezoidal steel plate 151, and the turnover part 1511 rotates around the shaft 16 in a direction away from the first support 14. The rotating bracket 21 includes a leg 211 fixed to the turnover portion 1511 by a bolt, a support plate 212 connected to the leg 211, and a collar 213 externally coupled to the support plate 212 and coupled to the shaft 16, and the rotating bracket 21 functions to support the turnover portion 1511.
The turning part 1511 and the fixing part 1512 are respectively provided with a horizontal outwards extending transverse plate 26 at the connection position of the turning part 1511 and the fixing part 1512, and reset positioning blocks 22 are arranged around the edge of the transverse plate 26 to assist the turning part 1511 to rotate and reset in superposition with the fixing part 1512.
The invention adopts the steps that a leveling type seabed tooling platform is placed on the seabed, the platform is leveled through telescopic supporting legs, then the supporting legs are locked through bolts, ballast iron with the weight equal to that of a propeller is loaded on the platform, the platform is compacted, and finally the propeller is placed on the adjusted platform to wait for installation.
The technical scheme of the invention is as follows:
firstly, a seabed tooling platform is slowly placed on the seabed by utilizing a crane until the main body part of the platform contacts the seabed, the platform is lifted and the platform level is ensured, and at the moment, the inner pipe is completely stood on the seabed due to the gravity and the scalability of the inner pipe of the supporting leg. The diver inserts the bolt in the jack coincidence department of each landing leg outer tube and inner tube, locks the landing leg and makes it can not stretch out and draw back to dismantle the crane shackle.
Then, placing the ballast iron on the platform, compacting the platform, and if the platform is severely inclined, lifting the platform out of the sea bottom, and repeating the steps until the level difference of the platform is within 500 mm.
Finally, the propeller is placed on the platform and is ready for installation.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (10)
1. Semi-submerged platform propeller installation frock with adjust support, its characterized in that: the submarine support tool comprises a supporting platform (1) in a steel structure frame form, surrounding plates (3), telescopic supporting legs (4) vertically and penetratingly arranged around the supporting platform (1), and a semi-submersible propeller submarine support tool arranged on the upper portion of the supporting platform (1);
the telescopic support leg (4) comprises an outer tube (5) fixed on the platform (1) and an inner tube (7) which is sleeved in the outer tube (5) and freely moves along the axis direction of the outer tube;
n first inner pipe holes (71) which are arranged in rows in the radial direction and are spaced from each other are arranged on the inner pipe (7) in a penetrating manner, n is more than 2, m second inner pipe holes (72) which are arranged in a row are arranged on the inner pipe (7) in a penetrating manner at the space dislocation penetrating positions with the n first inner pipe holes (71), and m is more than 1; an axial limit flat iron (8) protruding out of the pipe wall of the inner pipe (7) is arranged on the inner pipe;
two rows of outer tube holes (51) corresponding to the first inner tube holes (71) and the second inner tube holes (72) are formed in the outer tube (5) in a penetrating manner; an axial through groove (9) matched with the axial limit flat iron (8) is formed in the outer tube (5);
the outer tube (5) and the inner tube (7) are fixed by inserting a plug pin (10) through the first inner tube hole (71) and the outer tube hole (51), or the outer tube (5) and the inner tube (7) are fixed by inserting a plug pin (10) through the second inner tube hole (72) and the outer tube hole (51);
the height H of the inserted pin (10) is less than half of the difference between the length L of the outer pipe hole (51) and the vertical distance S from the edge of the first inner pipe hole (71) to the edge of the second inner pipe hole (72) adjacent to the first inner pipe hole, namely H is less than 1/2 (L-S);
the seabed supporting tool of the semi-submersible platform propeller comprises a base (13) which is arranged on the seabed and is of a nine-grid framework structure formed by two crossed steel beams, and a bearing mechanism which is arranged on the upper part of the base (13);
the bearing mechanism comprises a first support (14) which is arranged perpendicular to the base (13) and the two ends of the bottom of which are respectively fixed at the cross points of the steel beams of the base (13), and a second support (15) which is arranged parallel to the first support (14) and the bottom of which is fixed at the cross points of the steel beams of the base (13); -the height of the first support (14) is < the height of the second support (15), the maximum width of the first support (14) being > the maximum width of the second support (15);
the first support (14) comprises a first trapezoid steel plate (141) with a concave arc-shaped upper bottom, first trapezoid side plates (143) which are respectively perpendicular to two bevel edges of the first trapezoid steel plate (141), and a concave arc-shaped first support supporting plate (142) which is connected with the upper bottom edge of the first trapezoid steel plate (141) and matched with a supporting point of a shell of the propeller fairing (24);
the second support (15) comprises a second trapezoid steel plate (151) with a concave arc-shaped upper bottom, second trapezoid side plates (153) which are respectively perpendicular to two bevel edges of the second trapezoid steel plate (151), and a concave arc-shaped second support supporting plate (152) which is connected with the upper bottom edge of the second trapezoid steel plate (151) and matched with a supporting point of a shell of the propeller gearbox (25);
the arc of the first support pallet (142) is greater than the arc of the second support pallet (152); the lower half part of the second support (15) is a fixed part (1512), and the fixed part (1512) is connected with a turnover part (1511) of the upper half part through an external shaft lever (16);
the periphery of the fixing part (1512) is provided with a platform (17), and the platform (17) is provided with a shaft bracket (18) for fixing the shaft lever (16) and a worm gear reduction box (19) which is positioned outside the shaft bracket (18) and connected with the end part of the shaft lever (16);
the turnover part (1511) is connected with the shaft lever (16) through a rotary bracket (21) arranged on the second trapezoidal steel plate (151), and the turnover part (1511) rotates around the shaft lever (16) in a direction deviating from the first support (14);
the top of the inner tube (7) is provided with a round seal head.
2. The semi-submersible propeller installation fixture with adjustment support according to claim 1, characterized in that the platform (1) is coated with a sheet material (2), the sheet material (2) being a steel plate or a wood plate.
3. The semi-submersible propeller installation fixture with the adjusting support according to claim 1, wherein the coaming (3) is provided with a lifting eye plate (6).
4. The semi-submersible propeller installation tool with the adjusting support according to claim 1, wherein the top of the inner tube (7) is provided with a sealing head, the outer wall is provided with a circumferential limit flat iron (11), and the lower part is in a zigzag shape.
5. The semi-submersible propeller installation tool with the adjusting support according to claim 1, wherein the plug pin (10) is a rectangular flat iron with an insertion end being an inclined plane and a retaining outer end being provided with a baffle plate.
6. Semi-submersible thruster installation fixture with adjustable support according to claim 1, characterized in that the base (13) is covered with steel plates at the intervals of the nine-grid frame provided with the bearing means side or sides.
7. Semi-submersible propeller installation fixture with adjustable support according to claim 1 or 6, characterized in that the base (13) is provided with n symmetrical sling hooks (23) on the edge of the side provided with the bearing mechanism, n being not less than 4.
8. Semi-submersible thruster installation fixture with adjustable support according to claim 1, characterized in that the swivel bracket (21) comprises a foot (211) fixed on the turn-over portion (1511) by means of a bolt, a support plate (212) connecting the foot (211), and a collar (213) externally connected to the support plate (212) and sleeved to the shaft (16).
9. The semi-submersible propeller installation fixture with adjustment support according to claim 1, wherein the turning part (1511) and the fixing part (1512) are respectively provided with a horizontal outwardly extending cross plate (26) at the connection position of the two parts.
10. The semi-submersible propeller installation fixture with adjustment support of claim 5, wherein a reset block (22) is provided around the edge of the cross plate (26) on the fixed portion (1512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810538056.0A CN108453661B (en) | 2018-05-30 | 2018-05-30 | Semi-submersible platform propeller installation tool with adjusting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810538056.0A CN108453661B (en) | 2018-05-30 | 2018-05-30 | Semi-submersible platform propeller installation tool with adjusting support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108453661A CN108453661A (en) | 2018-08-28 |
| CN108453661B true CN108453661B (en) | 2023-11-07 |
Family
ID=63214763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810538056.0A Active CN108453661B (en) | 2018-05-30 | 2018-05-30 | Semi-submersible platform propeller installation tool with adjusting support |
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| CN109227462A (en) * | 2018-10-26 | 2019-01-18 | 江苏永钢集团有限公司 | The dismantling device of device blower |
| CN113059524B (en) * | 2021-03-30 | 2022-07-05 | 江南造船(集团)有限责任公司 | Auxiliary propeller dismounting tool, dismounting method and mounting method |
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| CN103661801A (en) * | 2013-11-29 | 2014-03-26 | 大连船舶重工集团有限公司 | Auxiliary installation system and installation method of ocean engineering underwater propeller |
| CN104527924A (en) * | 2014-12-19 | 2015-04-22 | 大连船舶重工集团海洋工程有限公司 | Special tool for supporting upper deck combination of semi-submersible type ocean platform |
| CN106516025A (en) * | 2015-09-10 | 2017-03-22 | 中集海洋工程研究院有限公司 | Semi-submersible living platform |
| CN107792303A (en) * | 2017-11-28 | 2018-03-13 | 鲁东大学 | A kind of semi-submersible offshore lifting platform and its operating method |
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| US7140317B2 (en) * | 2003-12-06 | 2006-11-28 | Cpsp Ltd. | Central pontoon semisubmersible floating platform |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661801A (en) * | 2013-11-29 | 2014-03-26 | 大连船舶重工集团有限公司 | Auxiliary installation system and installation method of ocean engineering underwater propeller |
| CN104527924A (en) * | 2014-12-19 | 2015-04-22 | 大连船舶重工集团海洋工程有限公司 | Special tool for supporting upper deck combination of semi-submersible type ocean platform |
| CN106516025A (en) * | 2015-09-10 | 2017-03-22 | 中集海洋工程研究院有限公司 | Semi-submersible living platform |
| CN107792303A (en) * | 2017-11-28 | 2018-03-13 | 鲁东大学 | A kind of semi-submersible offshore lifting platform and its operating method |
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