Reducing adjustable rapid installation offshore platform transportation fixing support and construction method

Abstract

The invention discloses a variable-diameter adjustable fast-installation offshore platform transportation fixing support and a construction method, the variable-diameter adjustable fast-installation offshore platform transportation fixing support comprises a connecting bottom plate, a rotatable base, variable-diameter openable side blocking assemblies and a top connecting disc, the connecting bottom plate is fixed on a carrier, and the rotatable base is rotatably arranged on the connecting bottom plate; the rotatable base is sequentially provided with a plurality of sliding grooves at equal intervals in the circumferential direction. The variable-diameter openable side blocking assembly comprises a plurality of side blocking bases, a plurality of conversion pieces and a plurality of surrounding rods. Sliding blocks matched with the sliding grooves are arranged at the bottoms of the side baffle bases. The side baffles are sequentially distributed on the rotatable base in an annular mode, and the side baffle bases define a containing groove capable of containing objects to be conveyed. The multiple surrounding rods are connected with the multiple side blocking bases through the multiple conversion pieces correspondingly, the conversion pieces are vertically and adjustably arranged on the side blocking bases and rotatably connected with the side blocking bases through multiple connecting rods, and one ends of the surrounding rods are rotatably connected with the conversion pieces.

Description

Technical Field

[0001] The invention relates to the technical field of marine engineering construction, and in particular to a variable-diameter adjustable and quickly installed offshore platform transport fixed support and a construction method. Background Art

[0003] The splicing of large modules at sea involves offshore platform transportation. Since the ship is affected by the ups and downs of waves, wind loads and inertia during driving, three-way constrained supports need to be considered to ensure transportation safety.

[0004] Currently, there is a lack of specialized offshore platform transport supports. Traditional transport supports have the following main shortcomings:

[0005] (1) Lack of vertical restraint, usually tied with tie straps, which are easy to wear;

[0006] (2) There is a lack of variable diameter and direction adjustable design. A single support is only suitable for platforms of a specific size and has low versatility.

[0007] (3) There is no design that can be disassembled and assembled, and welding is mostly used, which makes installation and disassembly inconvenient;

[0008] (4) The platform is not easy to put into place due to the lack of guide alignment device. Summary of the invention

[0009] In view of the above-mentioned technical problems existing in the existing transport supports, the purpose of the present invention is to provide a variable-diameter adjustable quick-install offshore platform transport fixed support and a construction method, which can adapt to various platform cross-sections by adjusting the variable-diameter openable and closable side stop assembly and the rotatable base, and the conversion part can form an open state, a guide state, and a closed state respectively by rotating relative to the side stop base and cooperating with the surrounding rod. The three forms can correspond to different working scenarios.

[0010] In order to achieve the above-mentioned purpose, the invention provides a variable diameter adjustable fast installation offshore platform transport fixed support, comprising a connecting bottom plate, a rotatable base, a variable diameter openable and closable side stop assembly, and a top connecting plate, wherein the connecting bottom plate is fixed on the carrier, the rotatable base is rotatably arranged on the connecting bottom plate, the rotatable base is provided with a plurality of slide grooves equidistantly in sequence along the circumferential direction, and the plurality of slide grooves are arranged radially along the rotatable base;

[0011] The variable diameter openable and closable side block assembly comprises a plurality of side block bases, a plurality of conversion members, and a plurality of surrounding rods; a slider adapted to the slide slot is provided at the bottom of the side block base, the plurality of side block bases are movably arranged in the slide slot in sequence through the slider, the plurality of side blocks are distributed in a ring shape in sequence on the rotatable base, and the plurality of side block bases are surrounded to form a placement slot for placing the object to be transported;

[0012] The plurality of surrounding rods are connected to the side barrier base through conversion pieces, respectively. The conversion pieces are vertically adjustable and arranged on the side barrier base and are rotatably connected to the side barrier base through a multi-link. One end of the surrounding rod is rotatably connected to the conversion piece. The surrounding rod can be formed into two states, folding and unfolding, by rotating relative to the conversion piece. The conversion piece can be formed into an open state, a guiding state, and a closed state, respectively, by rotating relative to the side barrier base and cooperating with the surrounding rod.

[0013] In the open state, the conversion member is placed on the rotatable base when it is rotated relative to the side stop base to the lowest horizontal point. At this time, the surrounding rod is rotated to form a folded state, and the conversion member cooperates with the surrounding rod to form an open state for easy transportation;

[0014] In the guiding state, the conversion member moves vertically upward relative to the open state by rotating, and a plurality of conversion members are distributed around the placement groove in an inclined state. At this time, the surrounding rod is in a folded state, and the conversion member cooperates with the surrounding rod to form a guiding state, so as to guide the object to be transported when entering the placement groove;

[0015] When in the closed state, the conversion member can drive the enclosing rod to move closer to the placement groove by rotating to change the inclination angle relative to the guiding state. One end of several enclosing rods is formed into an expanded state by rotating, and the other ends of several enclosing rods are connected through the top connecting plate. The conversion member cooperates with the enclosing rod to form a closed state to vertically fix the object to be transported placed in the placement groove.

[0016] Further, the rotatable base includes a base body and a plurality of connecting parts connected to the base body, the base body is circular, the plurality of connecting parts are sequentially and equidistantly distributed along the circumference of the base body, and a slide groove is provided on the connecting part, and the slide groove is radially arranged along the base body and extends to the base body;

[0017] A bolt group is provided at the bottom of the slide groove along the length direction, and a second bolt group is equidistantly provided on both sides of the bolt group on the connecting portion and the base body;

[0018] A rotating shaft is provided at the bottom center of the base body, and a third bolt group is provided along the circumference of the rotating shaft on the base body;

[0019] The connecting bottom plate is a circular bottom plate with an opening in the middle, a ball bearing is arranged in the opening, and a fourth bolt group, a fifth bolt group and a sixth bolt group corresponding to the bolt group, the second bolt group and the third bolt group are arranged on the connecting bottom plate;

[0020] The rotating shaft at the bottom of the base body is connected to the ball bearing in the connecting base plate to achieve a rotatable connection between the rotatable base and the connecting base plate. When the two are rotated relative to each other to a suitable position, the rotatable base is fixed to the connecting base plate by using bolts to pass through the third bolt group on the base body and the sixth bolt group on the connecting base plate.

[0021] Furthermore, the side stop base includes a movable bottom plate, a side stop, and two reinforcement plates;

[0022] The bottom of the movable bottom plate is provided with a slider corresponding to the slide groove, and the movable bottom plate is provided with a seventh bolt group and an eighth bolt group corresponding to the second bolt group of the bolt group, the bolt group corresponds to the seventh bolt group and the fourth bolt group, and the second bolt group corresponds to the eighth bolt group and the fifth bolt group. After the movable bottom plate is moved into position in the slide groove by the slider, the stud is sequentially passed through the bolt group, the seventh bolt group and the fourth bolt group and fixed, and sequentially passed through the second bolt group, the eighth bolt group and the fifth bolt group and fixed, so as to fix the side stop base to the rotatable base and the connecting bottom plate respectively;

[0023] The side guard is vertically arranged on the top of the movable bottom plate, and a side surface of the side guard close to the center of the base body is arc-shaped. A plurality of movable bottom plates are arranged on the slide groove through sliders, and a plurality of side guards cooperate to form a circular placement groove;

[0024] The bottoms of the two reinforcing plates are vertically connected to the movable bottom plate, one side is vertically connected to the other side of the side guard, the tops of the two reinforcing plates are sequentially provided with rotating holes, and a plurality of adjustable horizontal axes are sequentially provided vertically between the two side guards.

[0025] Furthermore, the conversion member is a frame-shaped structure, wherein a plurality of connecting shafts are sequentially arranged in the middle thereof, wherein the connecting shaft at the top is movably connected to the surrounding rod, the connecting shaft at the second top is movably connected to one end of the support rod, the other end of the support rod is provided with an opening, and parallel connecting rods are movably connected to the remaining connecting shafts, wherein the plurality of parallel connecting rods are arranged in parallel, and the parallel connecting rods are movably connected to the adjustable transverse axis between the two reinforcing plates, so that the conversion member can rotate relative to the side stop base, and the vertical position of the conversion member relative to the side stop base can be adjusted by connecting the plurality of parallel connecting rods to different adjustable transverse axes between the two reinforcing plates;

[0026] After the conversion member is rotated relative to the side stop base, the other end of the support rod is located in the rotation hole between the tops of the two reinforcing plates, and the opening at one end of the support rod is coaxial with the two rotation holes. A fastener is passed through the rotation hole and the opening and fixed to fix the support rod and the conversion member.

[0027] Furthermore, the surrounding rod is arc-shaped, one end of which is movably connected to the top connecting shaft among the plurality of connecting shafts, and the one end of the surrounding rod rotates around the connecting shaft so that the other end is in a folded state when it is at the lowest horizontal point, and in an unfolded state when the other end is at the highest horizontal point;

[0028] One end of the surrounding rod is provided with a notch, and the end is provided with a connecting hole. When the surrounding rods in the variable-diameter openable and closable side baffle assemblies are all in the unfolded state, the other ends of the surrounding rods are in contact and are all located at the top of the placement groove, and the notches at the ends of the surrounding rods form a mounting groove for the top connecting plate to be placed.

[0029] Furthermore, the top connecting plate is provided with a plurality of second connecting holes corresponding to the connecting holes, the number of the second connecting holes is consistent with the number of surrounding rods, the top connecting plate is placed in the mounting groove, and is connected to the plurality of surrounding rods through fasteners respectively, so as to connect the plurality of surrounding rods into a whole.

[0030] Furthermore, a pressure sensor is provided between the top connecting plate and the surrounding rod, and a bolt hole is provided in the center of the top connecting plate, which is connected to the pressure sensor. The pressure sensor is located in the installation groove, and the two end faces are respectively abutted against the bottom of the installation groove and the bottom of the top connecting plate.

[0031] Furthermore, a horizontal plate perpendicular to the side guard is provided on the top of the side guard, and bolt holes are provided on the horizontal plate. An annular reinforcing rib is provided between two adjacent side guards in a plurality of side guard bases, and both ends of the annular reinforcing rib are respectively fixedly connected to the bolt holes on the horizontal plates at the tops of two adjacent side guards, and the plurality of side guards are connected into a whole through the plurality of annular reinforcing ribs.

[0032] Furthermore, the variable-diameter adjustable quick-install offshore platform transport fixed support also includes an inner lining rubber pad, which is inserted in the mounting groove, and includes a side ring pad and a bottom disc pad connected together, and the bottom disc pad is arranged on a rotatable base between several side stop bases. The side ring pad is ring-shaped and fits with the side stops in several side stop bases, so as to cover the gap between adjacent side stops.

[0033] In order to achieve the above object, the present invention provides a construction method for a variable diameter adjustable fast installation offshore platform transport fixed support, which is used for any one of the above items, and the construction method comprises:

[0034] S1: Fix the connecting base plate to the carrier by welding or bolting, insert the rotatable base into the middle hole of the ball bearing of the connecting base plate through the rotating shaft, so that the rotatable base can rotate on the connecting base plate, and stop when the position is appropriate and the bolt holes are aligned, and fix the rotatable base to the connecting base plate by passing the bolts through the third bolt group on the base body and the sixth bolt group on the connecting base plate;

[0035] S2: According to the cross-sectional size of the outriggers to be transported, the variable diameter openable and closable side guard assembly is adjusted to move to a suitable position along the slide groove on the rotatable base, and a stud is used to pass through the bolt group, the seventh bolt group, and the fourth bolt group in sequence and fix them, and to pass through the second bolt group, the eighth bolt group, and the fifth bolt group in sequence and fix them, so as to fix the side guard base to the rotatable base and the connecting bottom plate respectively;

[0036] S3: Adjust the variable diameter openable and closable side guard assembly to the guide state, that is, the parallel connecting rod drives the conversion member and the surrounding rod to fall to a lower position, the conversion member is erected obliquely upward to form a guide frame, and the support rod passes through the rotating hole through the fastener and is fixed to the top of the side guard base;

[0037] S4: Connect the inner lining rubber pad with the variable diameter retractable side stop assembly and the rotatable base to reduce transportation vibration and friction, and ensure that the object to be transported fits tightly with the side ring pad. Lift the platform onto the carrier, and guide the variable diameter retractable side stop assembly in the guided state to drop the corresponding legs into the transportation fixed support.

[0038] S5: connecting the side guards of each variable diameter openable and closable side guard assembly with the annular reinforcement rib by bolts to form a whole;

[0039] S6: Adjust the variable diameter openable and closable side guard assembly to the closed state, even if the parallel connecting rod drives the conversion member and the surrounding rod to rise to the appropriate position, pass the support rod through the rotating hole through the fastener, and fix it to the top of the side guard base, install the pressure sensor to the lower part of the top connecting plate, and pass the bolt through the second connecting hole on the top connecting plate and the first connecting hole at the end of the surrounding rod to fix each surrounding rod 0, so as to achieve the firm fixation of the legs of the object to be transported;

[0040] S7: After transporting to the predetermined location, the top connection plate is disassembled, and the variable diameter openable and closable side guard assembly is adjusted to the open state, that is, the support rod is disengaged, and the parallel connecting rod drives the conversion member and the surrounding rod to fall onto the rotatable base; the object to be transported is lifted off;

[0041] S8: After use, reverse the above installation sequence and disassemble piece by piece.

[0042] The variable diameter adjustable fast installation offshore platform transport fixed support and construction method provided by the present invention have the following beneficial effects:

[0043] (1) Installed on a transport vehicle (such as a ship or vehicle), the various components are connected in a detachable manner and can be quickly installed, adjusted, and disassembled by two people;

[0044] (2) It can adapt to various platform cross sections by adjusting the variable diameter openable and closeable side guards and the rotatable base;

[0045] (3) Locking is achieved through the top connecting plate and annular stiffening ribs, and the support tension is monitored in real time through the pressure sensor, which is convenient and reliable; the inner lining rubber pad ensures full contact and vibration reduction to achieve stable load-bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0047] Figure 1 A schematic diagram of the overall structure of the variable diameter adjustable quick-installation offshore platform transport fixed support provided by the present invention;

[0048] Figure 2 A schematic diagram of the exploded structure of a variable diameter adjustable and fast-installed offshore platform transport fixed support provided by the present invention;

[0049] Figure 3 An exploded view of a single variable-diameter openable and closable side stop assembly of a variable-diameter adjustable and quick-installable offshore platform transport fixed support provided by the present invention, when it is respectively connected with a connecting bottom plate and a rotatable base;

[0050] Figure 4 A schematic diagram of the structure of a rotatable base in a variable diameter adjustable and quick-installation offshore platform transport fixed support provided by the present invention;

[0051] Figure 5 A schematic structural diagram of a variable diameter openable and closable side stop assembly in a closed state in a variable diameter adjustable and quick-installable offshore platform transport fixed support provided by the present invention;

[0052] Figure 6 A schematic structural diagram of a variable diameter openable and closable side stop assembly in a variable diameter adjustable and quick-installable offshore platform transport fixed support provided by the present invention when it is in an open state;

[0053] Figure 7 A schematic structural diagram of a variable diameter openable and closable side stop assembly in a variable diameter adjustable and quick-installable offshore platform transport fixed support provided by the present invention when it is in a guiding state;

[0054] Figure 8 A schematic structural diagram of a side stop base of a variable diameter openable and closable side stop assembly in a variable diameter adjustable and quick-installable offshore platform transport fixed support provided by the present invention;

[0055] Fig. 9 A schematic diagram of the structure of a conversion member in a variable diameter adjustable and quick-installation offshore platform transport fixed support provided by the present invention;

[0056] Fig.10 A schematic diagram of a top connection plate in a variable diameter adjustable quick-installation offshore platform transport fixed support provided by the present invention.

[0057] Illustration Description:

[0058] Connecting bottom plate 100, rotatable base 200, variable diameter openable and closable side stop assembly 300, top connecting plate 400, pressure sensor 500, annular reinforcing rib 600, inner lining rubber pad 700;

[0059] Ball bearing 110, fourth bolt group 120, fifth bolt group 130, sixth bolt group 140, base body 210, rotating shaft 211, connecting part 220, slide groove 221, bolt group 221a, second bolt group 221b, third bolt group 221c, side block base 310, movable bottom plate 311, seventh bolt group 311a, eighth bolt group 311b, side block 312, cross plate 312a, reinforcing plate 313, rotating hole 313a, slider 314, mounting groove 315, adjustable cross axis 316, conversion part 320, connecting shaft 321, support rod 322, parallel connecting rod 323, fastener 324, surrounding rod 330, notch 331, connecting hole 332, mounting groove 333, second connecting hole 410. DETAILED DESCRIPTION

[0060] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below with reference to specific diagrams.

[0061] See also Figure 1-Figure 3 , which is a schematic structural diagram of a variable diameter adjustable quick-installation offshore platform transport fixed support provided by the present invention.

[0062] The fixed support provided by the present invention is installed on the carrier, and a placement groove for fixing the object to be transported can be formed through the variable-diameter openable and closable side block assembly, and the variable-diameter openable and closable side block assembly can adjust the diameter and height of the placement groove. The variable-diameter openable and closable side block assembly can also form a closed state for limiting the vertical displacement of the object to be transported in the placement groove, an open state for convenient transportation, and a guiding state for convenient placement of the object to be transported through the organic cooperation of various components.

[0063] As can be seen from the figure, the variable-diameter adjustable quick-installation offshore platform transport fixed support provided by the present invention includes four components: a connecting base plate 100, a rotatable base 200, a variable-diameter openable and closable side stop assembly 300, and a top connecting plate 400.

[0064] The connecting base plate 100 is fixed on the carrier, the rotatable base 200 is rotatably arranged on the connecting base plate 100, the rotatable base 200 is provided with a plurality of slide grooves 221 equidistantly arranged in the circumferential direction, and the plurality of slide grooves 221 are arranged radially along the rotatable base 200;

[0065] The variable diameter openable and closable side guard assembly 300 includes a plurality of side guard bases 310, a plurality of conversion members 320, and a plurality of surrounding rods 330;

[0066] A slider 314 adapted to the slide groove 221 is provided at the bottom of the side block base 310, and a plurality of side block bases 310 are movably arranged in the slide groove 221 through the slider 314 in sequence, and a plurality of side block bases 310 are distributed in a ring shape on the rotatable base and a plurality of side block bases 310 are surrounded to form a placement groove 315 for placing the object to be transported;

[0067] A plurality of surrounding rods 330 are connected to the side block base 310 through conversion members 320, respectively. The conversion members 320 are vertically adjustable and arranged on the side block base 310 and are rotatably connected to the side block base 310 through a multi-link. One end of the surrounding rod 330 is rotatably connected to the conversion member 320. The surrounding rod 330 can be formed into two states, folding and unfolding, by rotating relative to the conversion member 320. The conversion member 320 can be formed into an open state, a guiding state, and a closed state by rotating relative to the side block base 310 and cooperating with the surrounding rod 330.

[0068] When in open state, Figure 6 When the conversion member 320 is rotated relative to the side stop base 310 to the lowest horizontal point, the conversion member 320 is placed on the rotatable base 200, and the surrounding rod 330 is rotated to form a folded state, and the conversion member 320 cooperates with the surrounding rod 330 to form an open state for easy transportation;

[0069] When the guidance state is Figure 7 , the conversion member 320 moves vertically upward relative to the open state by rotating, and a plurality of conversion members 320 are distributed around the placement groove 315 in an inclined state, at this time, the surrounding rod 330 is in a folded state, and the conversion member 320 cooperates with the surrounding rod 330 to form a guiding state, so as to guide the object to be transported when entering the placement groove 315;

[0070] When closed, Figure 5 The conversion member 320 can drive the surrounding rod 330 to be relatively close to the placement groove 315 by rotating to change the inclination angle relative to the guiding state. One end of several surrounding rods 330 forms an expanded state by rotating, and the other ends of several surrounding rods 330 are connected through the top connecting plate 400. The conversion member 320 cooperates with the surrounding rod 330 to form a closed state, so as to vertically fix the object to be transported placed in the placement groove 315.

[0071] The specific structure of each component is described below in conjunction with the accompanying drawings.

[0072] like Figure 4The rotatable base 200 includes a base body 210 and a plurality of connecting parts 220 connected to the base body 210. The base body 210 is circular, and the plurality of connecting parts 220 are distributed equidistantly along the circumference of the base body 210. The connecting parts 220 are provided with a slide groove 221, which is arranged radially along the base body 210 and extends to the base body 210.

[0073] The bottom of the slide groove 221 is provided with a bolt group 221a along the length direction, and the connecting portion 220 and the base body 210 are provided with a second bolt group 221b at equal distances on both sides of the bolt group 221a;

[0074] A rotating shaft 211 is disposed at the bottom center of the base body 210 , and a third bolt group 221 c is disposed along the circumference of the rotating shaft 211 of the base body 210 .

[0075] like Figure 3 The rotatable base 200 of such a structure is rotatably connected with the connecting base plate 100. The connecting base plate 100 is a circular base plate with an opening in the middle. A ball bearing 110 is arranged in the opening. The connecting base plate 100 is provided with a fourth bolt group 120, a fifth bolt group 130 and a sixth bolt group 140 corresponding to the bolt group 221a, the second bolt group 221b and the third bolt group 221c.

[0076] The rotating shaft 211 at the bottom of the base body 210 is connected to the ball bearing 110 in the connecting base plate 100 to achieve a rotatable connection between the rotatable base 200 and the connecting base plate 100. When the two are rotated to a suitable position relative to each other, the rotatable base 200 is fixed to the connecting base plate 100 by using bolts to pass through the third bolt group 221c on the base body 210 and the sixth bolt group 140 on the connecting base plate 100.

[0077] The above-mentioned rotation of the rotatable base 200 relative to the connecting base plate 100 can be rotated according to the actual opening direction of the supporting part (such as the legs) of the object to be transported, so as to avoid possible interference of rods.

[0078] Furthermore, if Figure 5 , the side stop base 310 includes a movable bottom plate 311, a side stop 312, and two reinforcing plates 313;

[0079] like Figure 8A slider 314 corresponding to the slide groove 211 is provided at the bottom of the movable base plate 311, and a seventh bolt group 311a and an eighth bolt group 311b corresponding to the bolt group 221a and the second bolt group 221b are provided on the movable base plate 311. The bolt group 221a corresponds to the seventh bolt group 311a and the fourth bolt group 120, and the second bolt group 221b corresponds to the eighth bolt group 311b and the fifth bolt group 130. After the movable base plate 311 is moved into position in the slide groove 211 by the slider 314, the stud is used to sequentially pass through the bolt group 221a, the seventh bolt group 311a and the fourth bolt group 120 and fix them, and to sequentially pass through the second bolt group 221b, the eighth bolt group 311b and the fifth bolt group 130 and fix them, so as to fix the side stop base 310 to the rotatable base 200 and the connecting base plate 200 respectively.

[0080] The side block 312 is vertically arranged on the top of the movable bottom plate 311. The side surface of the side block 312 close to the center of the base body 210 is arc-shaped. A plurality of movable bottom plates 311 are arranged on the slide groove 211 through a slider 314. The plurality of side blocks 312 cooperate to form a circular placement groove 315.

[0081] The bottoms of the two reinforcing plates 313 are vertically connected to the movable bottom plate 311, one side of which is vertically connected to the other side of the side block 312, the tops of the two reinforcing plates 313 are sequentially provided with rotating holes 313a, and a plurality of adjustable horizontal axes 316 are sequentially provided vertically between the two side blocks 312;

[0082] Furthermore, if Figure 5 , Fig. 9 The conversion member 320 is a frame-shaped structure, in which a plurality of connecting shafts 321 are sequentially arranged in the middle, and the connecting shaft 321 located at the top is movably connected to the surrounding rod 330, and the connecting shaft 321 at the second top is movably connected to one end of the support rod 322, and the other end of the support rod 322 is provided with an opening, and the remaining connecting shafts 321 are movably connected with parallel connecting rods 323, and the plurality of parallel connecting rods 323 are arranged in parallel, and the parallel connecting rods 323 are movably connected to the adjustable horizontal axis 316 between the two reinforcing plates 313, so that the conversion member 320 can rotate relative to the side stop base 310, and the vertical position of the conversion member 320 relative to the side stop base 310 can be adjusted by connecting the plurality of parallel connecting rods 323 to different adjustable horizontal axes 316 between the two reinforcing plates 313;

[0083] After the conversion member 320 has been rotated relative to the side stop base 310, the other end of the support rod 322 is placed in the rotation hole 313a between the tops of the two reinforcing plates 313, and the opening at one end of the support rod 322 is coaxial with the two rotation holes 313a. The fastener 324 is passed through the rotation hole 313a and the opening and fixed to fix the support rod 322 and the conversion member 320.

[0084] Furthermore, if Figure 5 The surrounding rod 330 is arc-shaped, one end of which is movably connected to the top connecting shaft 321 among the plurality of connecting shafts 321. One end of the surrounding rod 330 rotates around the connecting shaft 321 so that the other end is at the lowest horizontal point to form a folded state, and the other end is at the highest horizontal point to form an unfolded state;

[0085] A notch 331 is provided at one end of the surrounding rod 330, and a connecting hole 332 is provided at the end. When the surrounding rods 330 in the variable-diameter openable and closable side baffle assemblies 300 are all in the unfolded state, the other ends of the surrounding rods 330 are in contact and are all located at the top of the mounting groove 315, and the notches 331 at the ends of the surrounding rods 330 form a mounting groove 333 for the top connecting plate 400 to be mounted.

[0086] like Fig.10 A plurality of second connection holes 410 corresponding to the connection holes 332 are provided on the top connection plate 400, and the number of the second connection holes 410 is consistent with the number of the surrounding rods 330. The top connection plate 400 is placed in the mounting groove 333 and is connected to the plurality of surrounding rods 330 through fasteners respectively to connect the plurality of surrounding rods 330 into a whole.

[0087] Furthermore, if Figure 2 In order to obtain the tension applied to the fixed support and the real-time status information of the support in real time, the present invention provides a pressure sensor 500 between the top connecting plate 400 and the surrounding rod 330. The center of the surrounding rod 330 is provided with a bolt hole, which is connected to the pressure sensor 500. The pressure sensor 500 is located in the mounting groove 330, and the two end faces are respectively abutted against the bottom of the mounting groove 330 and the bottom of the top connecting plate 400. The pressure sensor 500 can display the tension applied to the support in real time and alarm when it exceeds the preset value.

[0088] Furthermore, if Figure 5 In order to improve the reliability of the overall connection of the support, a transverse plate 312a perpendicular to the side block 312 is provided on the top of the side block 312, and bolt holes are provided on the transverse plate 312a. An annular reinforcing rib 600 is provided between two adjacent side blocks 312 in the side block bases 310, and the two ends of the annular reinforcing rib 600 are respectively fixedly connected to the bolt holes on the transverse plates 312a at the tops of the two adjacent side blocks 312, and the side blocks 312 are connected into a whole through the annular reinforcing ribs 600.

[0089] Furthermore, if Figure 1The variable diameter adjustable quick-install offshore platform transport fixed support provided by the present solution also includes an inner lining rubber pad 700, which is inserted in the placement groove 315, and includes a side ring pad and a bottom disc pad connected together. The bottom disc pad is arranged on a rotatable base 200 between a plurality of side block bases 310. The side ring pad is annular and fits with the side blocks 312 in the plurality of side block bases 310, and can block the gap between adjacent side blocks 312. In this way, when the object to be transported is placed in the placement groove 315, it can directly avoid contact with the support, reduce transportation vibration and friction, and ensure that the object to be transported is tightly fitted with the side block 312.

[0090] Based on the variable diameter adjustable fast installation offshore platform transport fixed support formed by the above scheme, this scheme also provides a construction method, and the construction steps are as follows:

[0091] S1: Fix the connecting base plate 100 on the carrier by welding or bolting, insert the rotatable base 200 into the middle hole of the ball bearing 110 of the connecting base plate 100 through the rotating shaft 211, so that the rotatable base 200 can rotate on the connecting base plate 100, and stop when the position is suitable and the bolt holes are aligned. The rotatable base 200 is fixed to the connecting base plate 100 by using bolts to pass through the third bolt group 221c on the base body 210 and the sixth bolt group 140 on the connecting base plate 100.

[0092] S2: According to the cross-sectional size of the legs of the object to be transported, adjust the variable diameter openable and closeable side block assembly 300 and move it to a suitable position along the slide groove 221 on the rotatable base 200, and use a stud to pass through the bolt group 221a, the seventh bolt group 311a and the fourth bolt group 120 in sequence and fix them, and pass through the second bolt group 221b, the eighth bolt group 311b and the fifth bolt group 130 in sequence and fix them, so as to fix the side block base 310 to the rotatable base 200 and the connecting base plate 100 respectively.

[0093] S3: The variable diameter openable and closable side guard assembly 300 is adjusted to the guide state, that is, the parallel connecting rod 323 drives the conversion member 320 and the surrounding rod 330 to fall to a lower position, the conversion member 320 is erected obliquely upward to form a guide frame, and the support rod 322 passes through the rotating hole 313a through the fastener 324 and is fixed to the top of the side guard base 310;

[0094] S4: Connect the inner lining rubber pad 700 with the variable diameter openable and closable side block assembly 300 and the rotatable base 200 to reduce transportation vibration and friction, and ensure that the object to be transported fits tightly with the side ring pad. Lift the platform onto the carrier, and guide the corresponding support legs into the transportation fixed support through the guidance of the variable diameter openable and closable side block assembly 300 in the guided state.

[0095] S5: Connect the annular reinforcing rib 600 to the side guards 312 in each variable diameter openable and closable side guard assembly 300 by bolts to form a whole;

[0096] S6: Adjust the variable diameter openable and closable side guard assembly 300 to the closed state, even if the parallel connecting rod 323 drives the conversion member 320 and the surrounding rod 330 to rise to the appropriate position, pass the support rod 322 through the rotating hole 313a through the fastener 324, and fix it to the top of the side guard base 310, install the pressure sensor 500 to the lower part of the top connecting plate 400, and pass the bolts through the second connecting hole 410 on the top connecting plate 400 and the first connecting hole 332 at the end of the surrounding rod 330 to fix each surrounding rod 330, so as to achieve the firm fixation of the legs of the object to be transported;

[0097] S7: After transporting to the predetermined location, the top connection plate 400 is disassembled, and the variable diameter openable and closable side stop assembly 300 is adjusted to the open state, that is, the support rod 322 is disengaged, and the parallel connecting rod 323 drives the conversion member 320 and the surrounding rod 330 to fall onto the rotatable base 200; the object to be transported is lifted off;

[0098] S8: After use, reverse the above installation sequence and disassemble piece by piece.

[0099] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A variable diameter adjustable fast installation offshore platform transport fixed support, characterized in that: It includes a connecting bottom plate, a rotatable base, a variable diameter openable and closable side stop assembly, and a top connecting plate. The connecting bottom plate is fixed on the carrier. The rotatable base is rotatably arranged on the connecting bottom plate. The rotatable base is provided with a plurality of slide grooves equidistantly in the circumferential direction. The plurality of slide grooves are arranged radially along the rotatable base. The variable diameter openable and closable side block assembly comprises a plurality of side block bases, a plurality of conversion members, and a plurality of surrounding rods; a slider adapted to the slide slot is provided at the bottom of the side block base, the plurality of side block bases are movably arranged in the slide slot in sequence through the slider, the plurality of side blocks are distributed in a ring shape in sequence on the rotatable base, and the plurality of side block bases are surrounded to form a placement slot for placing the object to be transported; The plurality of surrounding rods are connected to the side barrier base through conversion pieces, respectively. The conversion pieces are vertically adjustable and arranged on the side barrier base and are rotatably connected to the side barrier base through a multi-link. One end of the surrounding rod is rotatably connected to the conversion piece. The surrounding rod can be formed into two states, folding and unfolding, by rotating relative to the conversion piece. The conversion piece can be formed into an open state, a guiding state, and a closed state, respectively, by rotating relative to the side barrier base and cooperating with the surrounding rod. In the open state, the conversion member is placed on the rotatable base when it is rotated relative to the side stop base to the lowest horizontal point. At this time, the surrounding rod is rotated to form a folded state, and the conversion member cooperates with the surrounding rod to form an open state for easy transportation; In the guiding state, the conversion member moves vertically upward relative to the open state by rotating, and a plurality of conversion members are distributed around the placement groove in an inclined state. At this time, the surrounding rod is in a folded state, and the conversion member cooperates with the surrounding rod to form a guiding state, so as to guide the object to be transported when entering the placement groove; When in the closed state, the conversion member can drive the enclosing rod to move closer to the placement groove by rotating to change the inclination angle relative to the guiding state. One end of several enclosing rods is formed into an expanded state by rotating, and the other ends of several enclosing rods are connected through the top connecting plate. The conversion member cooperates with the enclosing rod to form a closed state to vertically fix the object to be transported placed in the placement groove.

2. The variable diameter adjustable fast installation offshore platform transport fixed support according to claim 1 is characterized in that: The rotatable base includes a base body and a plurality of connecting parts connected to the base body, the base body is circular, the plurality of connecting parts are distributed equidistantly along the circumference of the base body, and a slide groove is provided on the connecting part, the slide groove is arranged along the radial direction of the base body and extends to the base body; A bolt group is provided at the bottom of the slide groove along the length direction, and a second bolt group is equidistantly provided on both sides of the bolt group on the connecting portion and the base body; A rotating shaft is provided at the bottom center of the base body, and a third bolt group is provided along the circumference of the rotating shaft on the base body; The connecting bottom plate is a circular bottom plate with an opening in the middle, a ball bearing is arranged in the opening, and a fourth bolt group, a fifth bolt group and a sixth bolt group corresponding to the bolt group, the second bolt group and the third bolt group are arranged on the connecting bottom plate; The rotating shaft at the bottom of the base body is connected to the ball bearing in the connecting base plate to achieve a rotatable connection between the rotatable base and the connecting base plate. When the two are rotated relative to each other to a suitable position, the rotatable base is fixed to the connecting base plate by using bolts to pass through the third bolt group on the base body and the sixth bolt group on the connecting base plate.

3. The variable diameter adjustable fast installation offshore platform transport fixed support according to claim 2 is characterized in that: The side stop base comprises a movable bottom plate, a side stop, and two reinforcement plates; The bottom of the movable bottom plate is provided with a slider corresponding to the slide groove, and the movable bottom plate is provided with a seventh bolt group and an eighth bolt group corresponding to the second bolt group of the bolt group, the bolt group corresponds to the seventh bolt group and the fourth bolt group, and the second bolt group corresponds to the eighth bolt group and the fifth bolt group. After the movable bottom plate is moved into position in the slide groove by the slider, the stud is sequentially passed through the bolt group, the seventh bolt group and the fourth bolt group and fixed, and sequentially passed through the second bolt group, the eighth bolt group and the fifth bolt group and fixed, so as to fix the side stop base to the rotatable base and the connecting bottom plate respectively; The side guard is vertically arranged on the top of the movable bottom plate, and a side surface of the side guard close to the center of the base body is arc-shaped. A plurality of movable bottom plates are arranged on the slide groove through sliders, and a plurality of side guards cooperate to form a circular placement groove; The bottoms of the two reinforcing plates are vertically connected to the movable bottom plate, one side is vertically connected to the other side of the side guard, the tops of the two reinforcing plates are sequentially provided with rotating holes, and a plurality of adjustable horizontal axes are sequentially provided vertically between the two side guards.

4. The variable diameter adjustable fast installation offshore platform transport fixed support according to claim 3 is characterized in that: The conversion member is a frame-shaped structure, wherein a plurality of connecting shafts are sequentially arranged in the middle thereof, wherein the connecting shaft at the top is movably connected to the surrounding rod, the connecting shaft at the second top is movably connected to one end of the support rod, the other end of the support rod is provided with an opening, and the remaining connecting shafts are movably connected to parallel connecting rods, wherein the plurality of parallel connecting rods are arranged in parallel, and the parallel connecting rods are movably connected to the adjustable transverse axis between the two reinforcing plates, so that the conversion member can rotate relative to the side stop base, and the vertical position of the conversion member relative to the side stop base can be adjusted by connecting the plurality of parallel connecting rods to different adjustable transverse axes between the two reinforcing plates; After the conversion member is rotated relative to the side stop base, the other end of the support rod is placed in the rotation hole between the tops of the two reinforcing plates, and the opening at one end of the support rod is coaxial with the two rotation holes. A fastener is passed through the rotation hole and the opening and fixed to fix the support rod and the conversion member.

5. The variable diameter adjustable fast installation offshore platform transport fixed support according to claim 4 is characterized in that: The surrounding rod is arc-shaped, one end of which is movably connected to the top connecting shaft among the plurality of connecting shafts. One end of the surrounding rod rotates around the connecting shaft so that the other end is in a folded state when it is at the lowest horizontal point, and in an unfolded state when the other end is at the highest horizontal point; One end of the surrounding rod is provided with a notch, and the end is provided with a connecting hole. When the surrounding rods in the variable-diameter openable and closable side baffle assemblies are all in the unfolded state, the other ends of the surrounding rods are in contact and are all located at the top of the placement groove, and the notches at the ends of the surrounding rods form a mounting groove for the top connecting plate to be placed.

6. The variable diameter adjustable fast installation offshore platform transport fixed support according to claim 5 is characterized in that: The top connecting plate is provided with a plurality of second connecting holes corresponding to the connecting holes, the number of the second connecting holes is consistent with the number of surrounding rods, the top connecting plate is placed in the mounting groove, and is connected to the plurality of surrounding rods through fasteners respectively, so as to connect the plurality of surrounding rods into a whole.

7. The variable diameter adjustable fast installation offshore platform transport fixed support according to claim 6 is characterized in that: A pressure sensor is provided between the top connecting plate and the surrounding rod. A bolt hole is provided in the center of the top connecting plate. The bolt hole is connected to the pressure sensor. The pressure sensor is located in the installation groove, and the two end surfaces are respectively abutted against the bottom of the installation groove and the bottom of the top connecting plate.

8. The variable diameter adjustable fast installation offshore platform transport fixed support according to claim 3 is characterized in that: A horizontal plate perpendicular to the side guard is provided at the top of the side guard, and bolt holes are provided on the horizontal plate. An annular reinforcing rib is provided between two adjacent side guards in a plurality of side guard bases, and two ends of the annular reinforcing rib are respectively fixedly connected to the bolt holes on the horizontal plates at the tops of two adjacent side guards, and the plurality of side guards are connected into a whole through the plurality of annular reinforcing ribs.

9. The variable diameter adjustable fast installation offshore platform transport fixed support according to claim 3 is characterized in that: The variable-diameter adjustable quick-install offshore platform transport fixed support also includes an inner lining rubber pad, which is inserted in a placement groove and includes a side ring pad and a bottom disc pad connected together. The bottom disc pad is arranged on a rotatable base between a number of side block bases. The side ring pad is ring-shaped and fits with the side blocks in a number of side block bases, so as to cover the gaps between adjacent side blocks.

10. A construction method for a variable diameter adjustable fast installation offshore platform transport fixed support, characterized in that: include S1: Fix the connecting base plate to the carrier by welding or bolting, insert the rotatable base into the middle hole of the ball bearing of the connecting base plate through the rotating shaft, so that the rotatable base can rotate on the connecting base plate, and stop when the position is appropriate and the bolt holes are aligned, and fix the rotatable base to the connecting base plate by passing the bolts through the third bolt group on the base body and the sixth bolt group on the connecting base plate; S2: According to the cross-sectional size of the outriggers to be transported, the variable diameter openable and closable side guard assembly is adjusted to move to a suitable position along the slide groove on the rotatable base, and a stud is used to pass through the bolt group, the seventh bolt group, and the fourth bolt group in sequence and fix them, and to pass through the second bolt group, the eighth bolt group, and the fifth bolt group in sequence and fix them, so as to fix the side guard base to the rotatable base and the connecting bottom plate respectively; S3: Adjust the variable diameter openable and closable side guard assembly to the guide state, that is, the parallel connecting rod drives the conversion member and the surrounding rod to fall to a lower position, the conversion member is erected obliquely upward to form a guide frame, and the support rod passes through the rotating hole through the fastener and is fixed to the top of the side guard base; S4: Connect the inner lining rubber pad with the variable diameter retractable side stop assembly and the rotatable base to reduce transportation vibration and friction, and ensure that the object to be transported fits tightly with the side ring pad. Lift the platform onto the carrier, and guide the variable diameter retractable side stop assembly in the guided state to drop the corresponding legs into the transportation fixed support. S5: connecting the side guards of each variable diameter openable and closable side guard assembly with the annular reinforcement rib by bolts to form a whole; S6: Adjust the variable diameter openable and closable side guard assembly to the closed state, even if the parallel connecting rod drives the conversion member and the surrounding rod to rise to the appropriate position, pass the support rod through the rotating hole through the fastener, and fix it to the top of the side guard base, install the pressure sensor to the lower part of the top connecting plate, and pass the bolt through the second connecting hole on the top connecting plate and the first connecting hole at the end of the surrounding rod to fix each surrounding rod 0, so as to achieve the firm fixation of the legs of the object to be transported; S7: After transporting to the predetermined location, the top connection plate is disassembled, and the variable diameter openable and closable side guard assembly is adjusted to the open state, that is, the support rod is disengaged, and the parallel connecting rod drives the conversion member and the surrounding rod to fall onto the rotatable base; the object to be transported is lifted off; S8: After use, reverse the above installation sequence and disassemble piece by piece.

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