CN111015550A - Positioning tool and rapid positioning method for anti-sinking plate body of jacket - Google Patents
Positioning tool and rapid positioning method for anti-sinking plate body of jacket Download PDFInfo
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- CN111015550A CN111015550A CN201911315075.8A CN201911315075A CN111015550A CN 111015550 A CN111015550 A CN 111015550A CN 201911315075 A CN201911315075 A CN 201911315075A CN 111015550 A CN111015550 A CN 111015550A
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- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The embodiment of the invention discloses a jacket anti-sinking plate body positioning tool and a rapid positioning method thereof, and the tool comprises four middle reinforcing steels arranged in a diamond shape, a triangular body is arranged between the included angles of the adjacent middle reinforcing steels, transverse reinforcing plates are arranged on two sides of two triangular body bodies with vertex angles facing horizontal lines, longitudinal reinforcing plates are arranged on two sides of two triangular body with vertex angles facing vertical lines, longitudinal edge reinforcing steels are arranged on the chord edges of the longitudinal reinforcing plates through welding, a positioning plate is arranged on the lower end surface of one longitudinal edge reinforcing steel and is of a rectangular structure, a positioning groove is arranged on one surface of the positioning plate facing a longitudinal transverse supporting pipe, the cross section of the positioning groove is in an arc shape, when the body is folded, the positioning plate falls on the transverse supporting pipe to provide a bearing point for the folding process of the body, so that the positioning parameters of the body are effectively controlled, the sheet body folding position is adjusted quickly, and the sheet body is positioned quickly and accurately.
Description
Technical Field
The embodiment of the invention relates to the technical field of jacket anti-sink plates, in particular to a jacket anti-sink plate body positioning tool and a rapid positioning method thereof.
Background
The anti-sinking plates are generally arranged at the angular points of the bottom layer structure of the jacket and are reasonably and symmetrically arranged. The anti-sinking plate meets the design requirement in strength, can bear the external force action of the jacket in the processes of transportation, launching and bottom sitting, can play a role in supporting the jacket in the process of bottom sitting, and prevents the jacket from toppling over and sinking.
The height and the inclination angle of the positioning sheet body are needed, so that the travelling crane hoisting sheet body can be quickly and accurately positioned, and the step of the joint of the total assembly and the closure of the jacket is formed. The sheet body has no bearing point in the hoisting and positioning process, each positioning parameter of the sheet body has no effective control, the positioning difficulty is high, and the folding position of the sheet body cannot be adjusted quickly.
Disclosure of Invention
Therefore, the embodiment of the invention provides a jacket anti-sinking plate body positioning tool and a rapid positioning method thereof, and aims to solve the problems that in the prior art, because no bearing point exists in the lifting and positioning process of a plate body, all positioning parameters of the plate body cannot be effectively controlled, the positioning difficulty is high, and the folding position of the plate body cannot be rapidly adjusted.
In order to achieve the above object, an embodiment of the present invention provides the following:
a jacket anti-sink plate body positioning tool comprises a pipe frame structure and a plate body structure, wherein the plate body structure comprises four middle reinforcing steels distributed in a diamond shape, and isosceles three-stage-shaped triangular plate bodies are arranged between included angles of the adjacent middle reinforcing steels;
two sides of the two triangular sheet bodies with vertex angles facing the horizontal line are provided with transverse reinforcing plates, two sides of the two triangular sheet bodies with vertex angles facing the vertical line are provided with longitudinal reinforcing plates, the adjacent transverse reinforcing plates are connected with the longitudinal reinforcing plates through connecting reinforcing steel, the chord edges of the transverse reinforcing plates are provided with transverse edge reinforcing steel through welding, and the chord edges of the longitudinal reinforcing plates are provided with longitudinal edge reinforcing steel through welding;
one of them longitudinal edge reinforcing steel's lower terminal surface be provided with the locating plate, the locating plate is the rectangle structure, the locating plate is just facing be provided with the constant head tank on the one side of longitudinal cross bracing pipe, the cross section of constant head tank is circular-arc, and this circular arc with the outer tube wall adaptation of longitudinal cross bracing pipe.
As a preferable scheme of the present invention, a closing seat is disposed on a right side surface of the longitudinal edge reinforcing steel, a rotating shaft is disposed on the closing seat, the rotating shaft is connected to a closing piece, an arc-shaped closing groove is disposed on an inner surface of the closing piece, when the closing piece rotates to contact with the positioning plate, the closing groove is attached to the longitudinal cross-brace tube, and the positioning groove and the closing groove form a closing structure and enclose the longitudinal cross-brace tube.
As a preferable scheme of the present invention, a fastening plate is disposed at a tail end of the closing piece, and when the closing piece rotates to contact with the positioning plate, the fastening plate is attached to a lower end surface of the positioning plate, and a fastening screw is threaded through the fastening plate and is in threaded connection with the lower end surface of the positioning plate.
As a preferable scheme of the present invention, a plurality of ball grooves are disposed on the bottom of the positioning groove and the closed groove, balls are movably disposed in the ball grooves, and when the closing piece is connected with the positioning plate to wrap the longitudinal cross brace pipe, the balls contact with the outer wall of the longitudinal cross brace pipe.
As a preferable scheme of the present invention, the pipe frame structure includes two lateral cross brace pipes and two longitudinal cross brace pipes arranged in a rectangular shape, the lateral cross brace pipes and the longitudinal cross brace pipes are horizontally arranged, lower ends of the lateral edge reinforcing steels are welded to upper end faces of the lateral cross brace pipes, and lower ends of the longitudinal edge reinforcing steels are welded to upper end faces of the longitudinal cross brace pipes.
As a preferable scheme of the present invention, a support tube is connected between a midpoint of the lateral support tube and a midpoint of the longitudinal support tube, the support tube is located directly below the middle reinforcing steel, and an upper surface of the support tube is connected to a bottom surface of the middle reinforcing steel by welding.
As a preferred embodiment of the present invention, the transverse reinforcing plate is in a right triangle shape, a chord edge of the transverse reinforcing plate coincides with a horizontal line, the horizontal line passes through a vertex angle of the triangular plate, a strand edge of the transverse reinforcing plate coincides with a straight line where a waist of the triangular plate is located, an arc-shaped gap is arranged at a corner between a hook edge of the transverse reinforcing plate and the chord edge, the gap is a transverse arc gap, the longitudinal reinforcing plate is in a right triangle shape, the chord edge of the longitudinal reinforcing plate coincides with a vertical line, the vertical line passes through the vertex angle of the triangular plate, the hook edge of the longitudinal reinforcing plate coincides with the straight line where the waist of the triangular plate is located, an arc-shaped gap is arranged at a corner between the strand edge and the chord edge, the gap is a longitudinal arc gap, and adjacent transverse arc gaps and longitudinal arc gaps form a quarter-shaped arc.
As a preferable scheme of the invention, hoisting holes are arranged at chord edges of the longitudinal reinforcing plate, and the hoisting holes are of a square structure with a shape of 0.8m × 0.8 m.
In a preferred embodiment of the present invention, the length of the lateral bracing tube is 31.762m, the length of the longitudinal bracing tube is 24.819m, the outer diameters of the lateral bracing tube and the longitudinal bracing tube are both 1.3m, the inner diameters of the lateral bracing tube and the lateral bracing tube are both 1.24m, the lateral edge reinforcing steel, the longitudinal edge reinforcing steel, the middle reinforcing steel and the connection reinforcing steel are all made of 300mm 500mm H-shaped steel, and the diameter of the bracing tube is 168 mm.
The embodiment of the invention also provides a quick positioning method of the jacket anti-sinking plate body, which is characterized by comprising the following steps:
s100, integrally reinforcing the sheet body by using H-shaped steel during manufacturing of the sheet body;
s200, determining a welding position through mechanical calculation, and welding an auxiliary positioning arc plate on the reinforced H-shaped steel from the lower opening of the sheet body at the preset position;
s300, when the sheet body is folded, the auxiliary positioning arc plate falls on the transverse supporting pipe of the anti-sinking plate firstly;
s400, when the sheet body falls on the anti-sinking plate cross supporting pipe by means of the auxiliary positioning arc plate, inclining the angle of the sheet body by using a crane.
The embodiment of the invention has the following advantages:
according to the invention, by arranging the positioning plate, when the sheet body is folded, the positioning plate is placed on the longitudinal cross supporting pipe to provide a bearing point for the folding process of the sheet body, so that each positioning parameter of the sheet body is effectively controlled, the folding position of the sheet body is quickly adjusted, the sheet body is quickly and accurately positioned, the service time of a travelling crane is reduced, the construction efficiency is improved, and the folding precision of the sheet body is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of a catheter configuration in an embodiment of the present invention;
FIG. 2 is a schematic view of a sheet structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a positioning plate according to an embodiment of the present invention;
fig. 4 is a schematic flow chart illustrating a method for quickly positioning a jacket anti-settling plate body according to an embodiment of the present invention.
In the figure:
1-a transverse cross bracing tube; 2-longitudinal horizontal bracing tubes; 3-transverse edge reinforcing steel; 4-longitudinal edge reinforcing steel; 5-middle reinforced steel; 6-triangular sheet body; 7-transverse reinforcing plates; 8-longitudinal reinforcing plates; 9-connecting reinforcing steel; 10-supporting tube; 11-transverse arc notch; 12-longitudinal arc notch; 13-expansion gap; 14-hoisting holes; 15-positioning a plate; 16-a positioning groove; 17-a closed seat; 18-a rotating shaft; 19-a closing sheet; 20-closed groove; 21-a fastening plate; 22-fastening screws; 23-a ball groove; 24-balls.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the embodiment of the invention provides a jacket anti-sinking plate body positioning tool, which comprises a pipe frame structure and a plate body structure, wherein the pipe frame structure comprises two transverse cross bracing pipes 1 and two longitudinal cross bracing pipes 2 which are arranged in a rectangular shape, the transverse cross bracing pipes 1 and the longitudinal cross bracing pipes 2 are horizontally arranged, transverse edge reinforcing steel 3 is welded on the upper end faces of the transverse cross bracing pipes 1, longitudinal edge reinforcing steel 4 is welded on the upper end faces of the longitudinal cross bracing pipes 2, the plate body structure comprises middle reinforcing steel 5, middle reinforcing steel 5 is connected between the middle points of the transverse edge reinforcing steel 3 and the middle points of the longitudinal edge reinforcing steel 4, a triangular plate body 6 in an isosceles three-stage shape is arranged at the included angle between the adjacent middle reinforcing steel 5, a transverse reinforcing plate 7 is connected between the transverse edge reinforcing steel 3 and the middle reinforcing steel 5, a longitudinal reinforcing plate 8 is connected between the longitudinal edge reinforcing steel 4 and the middle reinforcing steel 5, the adjacent transverse reinforcing plates 7 are connected with the longitudinal reinforcing plates 8 through connecting reinforcing steel 9.
Meanwhile, as shown in fig. 1, a support tube 10 is connected between the midpoint of the transverse brace tube 1 and the midpoint of the longitudinal brace tube 2, the support tube 10 is located right below the middle reinforcing steel 5, and the upper surface of the support tube 10 is connected with the bottom surface of the middle reinforcing steel 5 by welding.
In an isosceles triangle, two equal sides are called the sides of the triangle, the other side is called the base, the angle between the two sides is called the apex angle, and the angle between the sides is called the base angle. In the right-angled triangle, two sides adjacent to the right angle are called right-angle sides, the side opposite to the right angle is called a hypotenuse, the side opposite to the right angle of the right-angled triangle is a chord side, if the two right-angle sides are different in length, the short side is a hook side, and the long side is a thigh side.
In the present embodiment, as shown in fig. 2, the transverse reinforcing plate 7 has a right-angled triangular shape in which the chord side coincides with the straight line of the transverse edge reinforcing steel 3 and the strand side coincides with the straight line of the middle reinforcing steel 5, and the longitudinal reinforcing plate 8 has a right-angled triangular shape in which the chord side coincides with the straight line of the longitudinal edge reinforcing steel 4 and the hook side coincides with the straight line of the middle reinforcing steel 5.
Specific parameters of some components in this embodiment are: the length of the transverse cross bracing tube 1 is 31.762m, the length of the longitudinal cross bracing tube 2 is 24.819m, the outer diameters of the transverse cross bracing tube 1 and the longitudinal cross bracing tube 2 are both 1.3m, the inner diameters of the transverse cross bracing tube 1 and the longitudinal cross bracing tube 2 are both 1.24m, the transverse edge reinforcing steel 3, the longitudinal edge reinforcing steel 4, the middle reinforcing steel 5 and the connecting reinforcing steel 9 are all made of H-shaped steel with the size of 300mm x 500mm, and the diameter of the supporting tube 10 is 168 mm.
Well energy-conserving guide pipe frame is in the lamellar body manufacture process, 4 lamellar bodies altogether of jacket structure, 2 lamellar bodies contain main stay tube in child preparation, 2 lamellar bodies do not have main stay tube at child preparation and form the bridging lamellar body, because the bridging lamellar body that does not have main stay tube has unable fixed pipe fitting, still need install zinc block and cable duct above the pipe fitting simultaneously, unable formation is whole, structural strength is not enough in follow-up hoist and mount process, this embodiment passes through above-mentioned structure, utilize H shaped steel to strengthen lamellar body structure and pipe support structure, can be as an organic whole with the whole reinforcement of anti-sink plate, be convenient for realize accomplishing the holistic handling operation of anti-sink plate at the in-process of jacket preparation.
In the manufacturing process of the jacket anti-sinking sheet, the pipe frame structure and the sheet structure are manufactured separately, the sheet body needs to be folded after the pipe frame structure and the sheet structure are manufactured, the sheet body is placed on the pipe frame, and the height and the inclination angle of the sheet body need to be located in the process, so that the sheet body hoisting process is complex and difficult to operate. The present embodiment provides a solution, as shown in fig. 1, in the present embodiment, a positioning plate 15 is disposed on a lower end surface of one of the longitudinal edge reinforcing steels 4, the positioning plate 15 is of a rectangular structure, a positioning groove 16 is disposed on a surface of the positioning plate 15 facing the longitudinal cross brace tube 2, a cross section of the positioning groove 16 is circular arc, and the circular arc is adapted to an outer surface of the longitudinal cross brace tube 2.
When carrying out lamellar body hoist and mount, the one end that is provided with locating plate 15 is the film tail, hoist the lamellar body to vertical state, and the film tail is located the below, then remove the lamellar body to vertical stull pipe 2 top, then aim at the up end of vertical stull pipe 2 with the constant head tank 16 on the locating plate 15, slowly descend the lamellar body, make the laminating of constant head tank 16 and the up end of vertical stull pipe 2, locating plate 15 frame is on vertical stull pipe 2, then put down the head of lamellar body, make the lamellar body rotate downwards with 15 centers of locating plate, until the film head frame is on another vertical stull pipe 2, accomplish the hoist and mount process ization of lamellar body.
Further, as shown in fig. 3, in the present embodiment, the right side surface of the longitudinal edge reinforcing steel 4 is provided with a closed seat 17, the closed seat 17 is provided with a rotating shaft 18, the rotating shaft 18 is connected with a closed piece 19, an inner surface of the closed piece 19 is provided with an arc-shaped closed groove 20, when the closed piece 19 rotates to contact with the positioning plate 15, the closed groove 20 is attached to the longitudinal lateral supporting tube 2, and the positioning groove 16 and the closed groove 20 form a closed structure to wrap the longitudinal lateral supporting tube 2.
Meanwhile, as shown in fig. 3, in this embodiment, the fastening plate 21 is disposed at the end of the closing piece 19, when the closing piece 19 rotates to contact with the positioning plate 15, the fastening plate 21 is attached to the lower end surface of the positioning plate 15, the fastening screw 22 is threaded on the fastening plate 21, the fastening screw 22 is threaded on the lower end surface of the positioning plate 15, and the positioning plate 15 and the closing piece 19 can be fixedly connected together by the fastening screw 22, so that the positioning groove 16 and the closing groove 20 form a closed structure to wrap the longitudinal cross-brace pipe 2, and the sheet body is prevented from being separated from the longitudinal cross-brace pipe 2 in the sheet body hoisting process, so that the hoisting process is smoothly performed.
Furthermore, as shown in fig. 3, a plurality of ball grooves 23 are disposed on the bottom of the positioning groove 16 and the closed groove 20 in the present embodiment, balls 24 are movably disposed in the ball grooves 23, when the closed piece 19 is connected with the positioning plate 15 to wrap the longitudinal bracing tube 2, the balls 24 contact with the outer wall of the longitudinal bracing tube 2, so as to facilitate the rotation of the anti-sinking plate body around the longitudinal bracing tube 2, thereby facilitating the turning of the plate body and facilitating the smooth proceeding of the lifting process of the plate body.
When carrying out the lamellar body and folding, locating plate 15 falls on longitudinal horizontal stay tube 2, and the height of lamellar body is exactly the total group and folds the height this moment, and the lamellar body total group folds and has certain inclination, and lamellar body locating plate 15 falls on longitudinal horizontal stay tube 2, has guaranteed that the center of lamellar body lower jaw is fixed a position fast and is folding the position, utilizes crane slope lamellar body angle, the quick location of having guaranteed each looks transversal. The lamellar body is when hoist and mount location, when not setting up locating plate 15, because there is not bearing point in the lamellar body handling positioning process, each location parameter of lamellar body can't effective control, the location degree of difficulty is big, and behind installation locating plate 15, unsettled lamellar body folds the position to the lamellar body and adjusts under the condition that has the bearing point, thereby reach the quick accurate location of lamellar body, reduce the time of driving, improve the efficiency of construction, guarantee that the lamellar body folds the precision.
As shown in fig. 2, in the present embodiment, hoisting holes 14 are provided at chord edges of the longitudinal reinforcing plate 8, and the hoisting holes 14 have a square structure with a shape of 0.8m × 0.8 m. The hoisting hole 14 is used for hoisting and turning over the anti-sinking plate.
Because in the construction process of jacket anti-sink plate lamellar body, in order to guarantee the convenience of construction process, adopted the anti-manufacturing method, anti-sink plate is located the top of horizontal stay pipe, so need wholly turn over the lamellar body after lamellar body structure preparation is accomplished. The structural dimension of the anti-sinking plate is 31.762 meters in length and 24.819 meters in width, the total weight of the sheet body is 189.38 tons, the outer diameter of each cross support pipe of the anti-sinking plate is 1.3 meters, and the inner diameter of each cross support pipe of the anti-sinking plate is 1.24 meters.
In order to avoid the above disadvantages, in the present embodiment, the longitudinal reinforcing plate 8 near the original lifting point is cut off, the size of the cut-off area is 0.8m by 0.8m, and a lifting hole 14 is formed, so that the longitudinal cross-brace pipe 2 at the original lifting point is exposed, and the lifting belt can be wound on the longitudinal cross-brace pipe. When hoisting is carried out again, the hanging strip is wound on the longitudinal cross bracing tube 2 instead of the lifting lug on the longitudinal cross bracing tube 2, so that the stress area of the longitudinal cross bracing tube 2 is increased, the structural strength of the longitudinal cross bracing tube can bear 189.38 tons of maximum tonnage during turning over, the turning-over lifting lug does not need to be welded, the structural reinforcement does not need to be carried out inside the longitudinal cross bracing tube 2 at the welding position of the turning-over lifting lug, and the hoisting and turning-over steps of the anti-sinking plate are simplified. After the turning over of the sheet body is completed, the cut 0.8 m/0.8 m anti-sinking plate sheets are welded and restored in situ, and the integrity of the sheet body is ensured.
Through the arrangement, the square plate with the side length of 0.8 meter is cut off on the longitudinal reinforcing plate 8 to form the hoisting hole 14, welding of 100 tons of turning-over lifting lugs and structural reinforcement of mounting positions of the lifting lugs are replaced, the step of hoisting and turning-over operation of the jacket anti-sinking plate is simplified, working hours, materials and labor cost are saved, and the using efficiency of the crane is improved.
In the trapezoid, two parallel sides are called the bottom sides of the trapezoid, the longer bottom side is called the lower bottom, the shorter bottom side is called the upper bottom, the other two sides are called the waist, and the vertical line segment clamped between the two bottoms is called the height of the trapezoid. In the right trapezoid, the included angle between the lower bottom and the waist is a "bottom angle", and the included angle between the upper bottom and the waist is a "top angle".
As shown in fig. 2, in the present embodiment, an arc-shaped notch is provided at an included angle between the hook edge and the chord edge of the transverse reinforcing plate 7, the notch is a transverse arc notch 11, an arc-shaped notch is provided at an included angle between the thigh edge and the chord edge of the longitudinal reinforcing plate 8, the notch is a longitudinal arc notch 12, and the adjacent transverse arc notch 11 and the longitudinal arc notch 12 together form an arc-shaped notch of a quarter size. Through the circular-arc breach of quarter size, when preventing heavy board integral erection, will prevent that heavy board level places between four pipe support, this breach is just facing vertical pipe support's side, and rethread welding makes and prevents heavy board and install on the jacket.
In this embodiment, the center of the anti-sink plate is provided with a through hole for the tubular pile to pass through, the shape of the through hole is octagonal, the length of the transverse supporting tube 1 is greater than that of the longitudinal supporting tube 2, and the distance between the bottom sides of the two triangular sheets 6 of which the vertex angles are opposite to the transverse edge reinforcing steel 3 and the center position of the anti-sink plate is smaller than the distance between the bottom sides of the two triangular sheets 6 of which the vertex angles are opposite to the longitudinal edge reinforcing steel 4 and the center position of the anti-sink plate, so the bottom sides of the two triangular sheets 6 of which the vertex angles are opposite to the transverse edge reinforcing steel 3 in this embodiment are provided with arc-shaped expansion notches 13, and by providing the arc-shaped expansion notches 13, the through hole can accommodate the tubular pile with a larger diameter to pass through.
As shown in fig. 4, the present embodiment further provides a method for quickly positioning a jacket anti-sink plate body, including the following steps: firstly, integrally reinforcing the sheet body by using H-shaped steel during the manufacturing of the sheet body; secondly, determining a welding position through mechanical calculation, and welding an auxiliary positioning arc plate on the reinforced H-shaped steel from the lower opening of the sheet body at the preset position; thirdly, when the sheet body is folded, the auxiliary positioning arc plate falls on the transverse supporting tube of the anti-sinking plate firstly; and finally, when the sheet body falls on the anti-sinking plate cross supporting pipe by means of the auxiliary positioning circular arc plate, inclining the angle of the sheet body by using a crane.
By adopting the quick positioning method of the jacket anti-sink plate body in the embodiment, when the body is folded, the arc plate falls on the anti-sink plate cross support pipe by means of auxiliary positioning, the height of the body is just the total assembly folding height, the total assembly folding of the body has a certain inclination angle, the body is positioned and falls on the anti-sink plate cross support pipe by means of the arc plate, the center of the lower opening of the body is quickly positioned at the folding position, the body angle is inclined by using a crane, and the positioning of the intersecting openings is quickly ensured. The lamellar body is when hoist and mount location, when not setting up supplementary circular arc board, because there is not the load point in the lamellar body handling positioning process, each location parameter of lamellar body has no effective control, the location degree of difficulty is big, behind installation supplementary location circular arc board, unsettled lamellar body can fold the position to the lamellar body fast and adjust under the condition that has the load point to reach the quick accurate location of lamellar body, reduce the driving live time, improve the efficiency of construction, guarantee that the lamellar body folds the precision.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A jacket anti-sink plate body positioning tool is characterized by comprising a pipe frame structure and a plate body structure, wherein the plate body structure comprises four middle reinforcing steels (5) which are arranged in a diamond shape, and isosceles three-stage-shaped triangular plate bodies (6) are arranged between included angles of the adjacent middle reinforcing steels (5);
two sides of the two triangular sheet bodies (6) with vertex angles facing the horizontal line are provided with transverse reinforcing plates (7), two sides of the two triangular sheet bodies (6) with vertex angles facing the vertical line are provided with longitudinal reinforcing plates (8), the adjacent transverse reinforcing plates (7) are connected with the longitudinal reinforcing plates (8) through connecting reinforcing steel (9), the chord edge of each transverse reinforcing plate (7) is provided with transverse edge reinforcing steel (3) through welding, and the chord edge of each longitudinal reinforcing plate (8) is provided with longitudinal edge reinforcing steel (4) through welding;
one of them longitudinal edge strengthen the lower terminal surface of steel (4) and be provided with locating plate (15), locating plate (15) are the rectangle structure, locating plate (15) face on the one side of longitudinal horizontal bracing pipe (2) be provided with constant head tank (16), the cross section of constant head tank (16) is circular-arc, and this circular arc with the outer tube wall adaptation of longitudinal horizontal bracing pipe (2).
2. The jacket anti-sinking plate body positioning tool according to claim 1, wherein a closing seat (17) is arranged on the right side face of the longitudinal edge reinforcing steel (4), a rotating shaft (18) is arranged on the closing seat (17), the rotating shaft (18) is connected with a closing piece (19), an arc-shaped closing groove (20) is formed in the inner surface of the closing piece (19), when the closing piece (19) rotates to be in contact with the positioning plate (15), the closing groove (20) is attached to the longitudinal cross bracing tube (2), and meanwhile, the positioning groove (16) and the closing groove (20) form a closed structure and wrap the longitudinal cross bracing tube (2).
3. The jacket anti-sinking plate body positioning tool according to claim 2, wherein a fastening plate (21) is arranged at the tail end of the closing piece (19), when the closing piece (19) rotates to be in contact with the positioning plate (15), the fastening plate (21) is attached to the lower end face of the positioning plate (15), a fastening screw (22) is arranged on the fastening plate (21) in a threaded mode, and the fastening screw (22) is in threaded connection with the lower end face of the positioning plate (15).
4. The jacket anti-sink plate body positioning tool according to claim 3, wherein a plurality of ball grooves (23) are formed in the positioning groove (16) and the bottom of the closed groove (20), balls (24) are movably arranged in the ball grooves (23), and when the closed sheet (19) is connected with the positioning plate (15) to wrap the longitudinal cross bracing tube (2), the balls (24) are in contact with the outer wall of the longitudinal cross bracing tube (2).
5. The jacket anti-sinking plate body positioning tool according to claim 1, wherein the pipe frame structure comprises two transverse cross bracing pipes (1) and two longitudinal cross bracing pipes (2) which are arranged in a rectangular shape, the transverse cross bracing pipes (1) and the longitudinal cross bracing pipes (2) are horizontally arranged, the lower ends of transverse edge reinforcing steels (3) are welded together with the upper end faces of the transverse cross bracing pipes (1), and the lower ends of longitudinal edge reinforcing steels (4) are welded together with the upper end faces of the longitudinal cross bracing pipes (2).
6. The jacket anti-sinking plate body positioning tool according to claim 5, wherein a supporting tube (10) is connected between the midpoint of the transverse supporting tube (1) and the midpoint of the longitudinal transverse supporting tube (2), the supporting tube (10) is located right below the middle reinforcing steel (5), and the upper surface of the supporting tube (10) is connected with the bottom surface of the middle reinforcing steel (5) through welding.
7. The jacket anti-sinking plate body positioning tool as claimed in claim 6, wherein the transverse reinforcing plate (7) is in a right-angled triangular shape, a chord edge of the transverse reinforcing plate coincides with a horizontal line, the horizontal line passes through a vertex angle of the triangular plate body (6), a strand edge of the transverse reinforcing plate coincides with a straight line where a waist of the triangular plate body (6) is located, an arc-shaped notch is arranged at a corner between a hook edge of the horizontal reinforcing plate and the chord edge, the notch is a transverse arc notch (11), the longitudinal reinforcing plate (8) is in a right-angled triangular shape, the chord edge of the longitudinal reinforcing plate coincides with a vertical line, the vertical line passes through the vertex angle of the triangular plate body (6), the hook edge of the longitudinal reinforcing plate coincides with the straight line where the waist of the triangular plate body (6) is located, an arc-shaped notch is a longitudinal arc notch (12), and the adjacent transverse arc notch (11) and the longitudinal arc notch (12) form a quarter-sized arc notch together.
8. The jacket anti-sinking plate body positioning tool according to claim 7, wherein hoisting holes (14) are formed in chord edges of the longitudinal reinforcing plates (8), and the hoisting holes (14) are of a square structure in a shape of 0.8m by 0.8 m.
9. The jacket anti-sinking plate body positioning tool according to claim 8, wherein the length of the transverse supporting tube (1) is 31.762m, the length of the longitudinal supporting tube (2) is 24.819m, the outer diameters of the transverse supporting tube (1) and the longitudinal supporting tube (2) are both 1.3m, the inner diameters of the transverse supporting tube (1) and the longitudinal supporting tube (2) are both 1.24m, the transverse edge reinforcing steel (3), the longitudinal edge reinforcing steel (4), the middle reinforcing steel (5) and the connection reinforcing steel (9) are all made of H-shaped steel with the size of 300mm x 500mm, and the diameter of the supporting tube (10) is 168 mm.
10. A quick positioning method for a jacket anti-sinking plate body is characterized by comprising the following steps:
s100, integrally reinforcing the sheet body by using H-shaped steel during manufacturing of the sheet body;
s200, determining a welding position through mechanical calculation, and welding an auxiliary positioning arc plate on the reinforced H-shaped steel from the lower opening of the sheet body at the preset position;
s300, when the sheet body is folded, the auxiliary positioning arc plate falls on the transverse supporting pipe of the anti-sinking plate firstly;
s400, when the sheet body falls on the anti-sinking plate cross supporting pipe by means of the auxiliary positioning arc plate, inclining the angle of the sheet body by using a crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315075.8A CN111015550B (en) | 2019-12-19 | 2019-12-19 | Positioning tool and rapid positioning method for anti-sinking plate body of jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315075.8A CN111015550B (en) | 2019-12-19 | 2019-12-19 | Positioning tool and rapid positioning method for anti-sinking plate body of jacket |
Publications (2)
| Publication Number | Publication Date |
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| CN111015550A true CN111015550A (en) | 2020-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117513280A (en) * | 2024-01-03 | 2024-02-06 | 南通泰胜蓝岛海洋工程有限公司 | Folding installation method of stepped anti-sinking plate of jacket |
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| US5799714A (en) * | 1995-04-28 | 1998-09-01 | The Longaberger Company | Spring-actuated basket bottom panel form |
| EP1056909A2 (en) * | 1998-02-20 | 2000-12-06 | Stuck in the Mud Limited Partnership | Mudmats for offshore platform support |
| CN102350605A (en) * | 2011-08-24 | 2012-02-15 | 江苏阳明船舶装备制造技术有限公司 | Position changing machine for measurement reproduction system of folding pipe |
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Cited By (2)
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| CN117513280A (en) * | 2024-01-03 | 2024-02-06 | 南通泰胜蓝岛海洋工程有限公司 | Folding installation method of stepped anti-sinking plate of jacket |
| CN117513280B (en) * | 2024-01-03 | 2024-04-05 | 南通泰胜蓝岛海洋工程有限公司 | Folding installation method of stepped anti-sinking plate of jacket |
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| CN111015550B (en) | 2021-06-18 |
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