Large floating production storage and offloading vessel deck welding auxiliary frame

Abstract

The present invention discloses a large floating production storage and offloading vessel deck welding auxiliary frame, comprising a bottom plate, a plurality of first fixed brackets are installed on the upper surface of the bottom plate; each of the first fixed brackets is connected to the fixed end of a hydraulic cylinder by a thread; a plurality of first guide rails are arranged at the edges around the bottom plate; a first slider is movably connected in each of the first guide rails; each of the first sliders is connected to one end of a plurality of first connecting plates, and the other ends of the plurality of first connecting plates are connected to the outer side wall of a first support plate. The present invention solves the problem that the deck of a large floating production storage and offloading vessel often has a certain thickness and weight, and ordinary welding brackets are difficult to support the deck to be welded, and welding brackets that can provide greater supporting force have the disadvantage of being inconvenient to move and lacking applicability.

Description

Technical Field

[0001] The invention relates to a deck welding auxiliary frame for a large floating production storage and unloading vessel. Background Art

[0002] Offshore floating production storage and offloading vessels are a type of ship that integrates production and processing, storage and export, as well as living and power supply. It also has the characteristics of high investment, high risk and high return of marine engineering. Offshore floating production storage and offloading vessels are like an "offshore oil and gas processing plant" that processes the oil, gas, water and other mixed liquids from oil wells into qualified crude oil or natural gas. The finished crude oil is stored in the cargo tank and transported to the shuttle tanker through the export system when the reserve reaches a certain level.

[0003] The deck assembly of a large floating production storage and offloading vessel must be done by welding. However, the deck of a large floating production storage and offloading vessel often has a certain thickness and weight. Ordinary welding brackets are difficult to support the deck to be welded. Welding brackets that can provide greater support force have the disadvantage of being inconvenient to move and lack applicability. Summary of the invention

[0004] The invention aims to provide a large floating production storage and offloading vessel deck welding auxiliary frame, which is convenient to move while providing a large supporting force.

[0005] The technical scheme for achieving the above-mentioned purpose is: a large-scale floating production storage and offloading ship deck welding auxiliary frame comprises a bottom plate, wherein a plurality of first fixing brackets are installed on the upper surface of the bottom plate; each of the first fixing brackets is connected to the fixed end of the hydraulic cylinder by threading; a plurality of first guide rails are arranged at the edges around the bottom plate; a first slider is movably connected in each of the first guide rails; each of the first sliders is connected to one end of a plurality of first connecting plates, and the other ends of the plurality of first connecting plates are connected to the outer side wall of the first support plate; a plurality of second fixing brackets are installed on the lower surface of the first support plate; a piston rod of the hydraulic cylinder is interference-fitted with a mounting sleeve; the mounting sleeve is threadedly connected to the corresponding second fixing bracket by a plurality of first screws; a second support plate is connected to the upper surface of the first support plate; a mounting groove is provided in the middle part of the upper surface of the second support plate; a plurality of support rods are evenly installed in the mounting groove; a third support plate is connected to the left end surface of the second support plate; a moving component for making a welding gun perform a linear motion from front to back to weld the deck is connected to the upper surface of the third support plate.

[0006] Preferably, the moving assembly includes a protective cover, a second connecting plate, a plurality of "F"-shaped support frames, a rack, a gear, a motor, and a welding gun bracket, the upper surface of the third support plate being connected to the protective cover; the inner bottom surface of the protective cover being evenly connected to the plurality of "F"-shaped support frames; the plurality of "F"-shaped support frames being movably connected to the second connecting plate; the lower surface of the second connecting plate being connected to the rack; the rack and the gear being meshed with each other; the gear being connected to the output end of the motor; the fixed end of the motor being connected to the motor bracket; the motor bracket being connected to the inner bottom surface of the protective cover; the upper surface of the second connecting plate being connected to the welding gun bracket; a first through groove being provided on the upper surface of the protective cover, and the welding gun bracket passing through the first through groove; a second slide rail being arranged on the inner side of the outer side wall of the protective cover; a plurality of limit blocks and a plurality of pressing assemblies being movably connected in the second slide rail; and each of the pressing assemblies being located between two limit blocks.

[0007] Preferably, the pressing assembly includes a second slider, a third connecting plate, a fixed shaft, a torsion spring, and a pressing plate, wherein the second slider is movably connected in the second slide rail; the outer wall of the second slider is connected to the third connecting plate; the third connecting plate is provided with the fixed shaft; the pressing plate is rotatably connected to the fixed shaft; the torsion spring is movably connected to the fixed shaft; one end of the torsion spring is connected to the third connecting plate, and the other end is connected to the pressing plate.

[0008] Preferably, the front and rear side walls of the protective cover are both provided with second through slots; the second connecting plate and the rack pass through the second through slots.

[0009] Preferably, the contact surface between the plurality of "F"-shaped support frames and the second connecting plate is a smooth plane.

[0010] Preferably, a fourth connecting plate is provided on each of the upper and lower end surfaces of the second slide rail; and the plurality of limit blocks are threadedly connected via a plurality of second screws.

[0011] Preferably, resistance pads are provided on the lower surface of the pressing plate and the upper surface of the second supporting plate.

[0012] Preferably, the resistance pad is made of silicone rubber material; the resistance pad is at a certain distance from the welding point.

[0013] The beneficial effects of the present invention are as follows: each first fixing bracket is connected to the fixed end of the hydraulic cylinder by a thread, and the piston rod of the hydraulic cylinder is interference-fitted with the mounting sleeve; the mounting sleeve is threadedly connected to the corresponding second fixing bracket by a plurality of first screws, so that a plurality of hydraulic cylinders can be disassembled or assembled from the corresponding first fixing bracket, and can flexibly adapt to decks of different weights; by disassembling a plurality of first screws, a plurality of hydraulic cylinders can be disassembled from the corresponding second fixing bracket, and then the fixed ends of the plurality of hydraulic cylinders can be disassembled from the corresponding first fixing bracket, so that the weight of the device can be reduced and the device is convenient to move;

[0014] One end of the torsion spring is connected to the third connecting plate, and the other end is connected to the pressing plate. When the second sliding block does not enter the second sliding rail, the pressing plate is tilted downward at a certain angle around the fixed axis. When the pressing plate contacts the upper surface of the deck to be welded, the torsion spring is deformed to generate downward pressure on the pressing plate, thereby pressing the deck to be welded to prevent the deck to be welded from moving during the welding process.

[0015] A rack is connected to the lower surface of the second connecting plate; the rack and the gear are meshed with each other, and the gear drives the rack and the second connecting plate to move; the gear is connected to the output end of the motor, and the motor provides power to the gear, so that the welding gun moves linearly from front to back to weld the deck. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a stereogram of the present invention;

[0017] Figure 2 is a partial cross-sectional view of the present invention;

[0018] Figure 3 yes Figure 2 A partial enlarged view of the middle A;

[0019] Figure 4 yes Figure 2 A partial enlarged view of point B in the middle;

[0020] Figure 5 It is a parts diagram of the interior of the mobile assembly of the present invention;

[0021] Figure 6 yes Figure 5 A partial enlarged view of point C in the middle;

[0022] Figure 7 yes Figure 5 A partial enlarged view of point D in the middle.

[0023] In the figure: 1, bottom plate; 2, first fixed bracket; 3, first guide rail; 4, first slider; 5, hydraulic cylinder; 6, first connecting plate; 7, first support plate; 8, second fixed bracket; 9, mounting sleeve; 10, first screw; 11, second support plate; 12, mounting groove; 13, support rod; 14, third support plate; 15, moving assembly; 16, pressing assembly; 17, second slide rail; 18, limit block; 19, second screw; 20, fourth connecting plate; 151, protective cover; 152, second connecting plate; 153, "F" type support frame; 154, rack; 155, gear; 156, motor; 157, welding gun bracket; 161, second slider; 162, third connecting plate; 163, fixed shaft; 164, torsion spring; 165, pressing plate. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] like Figure 1-7 As shown, a large floating production storage and offloading vessel deck welding auxiliary frame includes a base plate 1, a plurality of first fixed brackets 2, a plurality of first guide rails 3, a plurality of first sliders 4, a plurality of hydraulic cylinders 5, a plurality of first connecting plates 6, a first support plate 7, a second support plate 11 and a moving assembly 15.

[0027] A plurality of first fixed brackets 2 are installed on the upper surface of the base plate 1 to support and fix a plurality of hydraulic cylinders 5; each first fixed bracket 2 is threadedly connected to the fixed end of the hydraulic cylinder 5, so that the plurality of hydraulic cylinders 5 can be disassembled or assembled from the corresponding first fixed bracket 2, and can flexibly adapt to decks of different weights; a plurality of first guide rails 3 are arranged at the edges around the base plate 1; a first slider 4 is movably connected in each first guide rail 3, and each first guide rail 3 can limit the moving direction of the plurality of first connecting plates 6 and the first support plate 7, thereby improving the stability of the device; each first slider 4 is connected to one end of the plurality of first connecting plates 6, and the other end of the plurality of first connecting plates 6 is connected to the outer side wall of the first support plate 7, and the plurality of first connecting plates 6 can shorten the length of the plurality of first guide rails 3, thereby facilitating the movement of the device; a plurality of second fixed brackets 8 are installed on the lower surface of the first support plate 7; the piston rod of the hydraulic cylinder 5 has an interference fit The mounting sleeve 9 is threadedly connected to the corresponding second fixing bracket 8 through a plurality of first screws 10. By removing the plurality of first screws 10, the plurality of hydraulic cylinders 5 can be removed from the corresponding second fixing bracket 8, and then the fixed ends of the plurality of hydraulic cylinders 5 can be removed from the corresponding first fixing bracket 2, which can reduce the weight of the device and facilitate movement. The second support plate 11 is connected to the upper surface of the first support plate 7 to support the deck to be welded. A mounting groove 12 is provided in the middle part of the upper surface of the second support plate 11. A plurality of support rods 13 are evenly installed in the mounting groove 12, and the welding points of the deck to be welded are located on the plurality of support rods 13, which is convenient for welding and can also prevent high temperature from causing damage to the second support plate 11. The left end face of the second support plate 11 is connected to the third support plate 14. The moving component 15 is connected to the upper surface of the third support plate 14 to weld the deck by making a linear motion from front to back.

[0028] The moving assembly includes a protective cover 151, a second connecting plate 152, a plurality of "F"-shaped support frames 153, a rack 154, a gear 155, a motor 156, and a welding gun bracket 157. The upper surface of the third supporting plate 14 is connected with the protective cover 151, and the protective cover 151 plays a role in protecting the internal parts; the inner bottom surface of the protective cover 151 is evenly connected with a plurality of "F"-shaped support frames 153; the plurality of "F"-shaped support frames 153 are movably connected to the second connecting plate 152, and the plurality of "F"-shaped support frames 153 play a role in supporting the second connecting plate 152 and also play a role in limiting the movement direction of the second connecting plate 152; the lower surface of the second connecting plate 152 is connected with a rack 154; the rack 154 and the gear 155 are meshed with each other, and the gear 155 drives the rack 154 and the second connecting plate 152 to move ; Gear 155 is connected to the output end of motor 156, and the motor provides power for gear 155; the fixed end of motor 156 is connected to the motor bracket; the motor bracket is connected to the inner bottom surface of protective cover 151; the upper surface of second connecting plate 152 is connected with welding gun bracket 157, and welding gun is installed on welding gun bracket 157; the upper surface of protective cover 151 is provided with a first through groove, and welding gun bracket 157 passes through the first through groove; the inner side of the outer side wall of protective cover 151 is provided with a second slide rail 17; a plurality of limit blocks 18 and a plurality of pressing assemblies 16 are movably connected in the second slide rail 17, and the plurality of limit blocks 18 and a plurality of pressing assemblies 16 can slide freely in the second slide rail 17; each pressing assembly 16 is located between two limit blocks 18, and the two limit blocks 18 play a limiting role on pressing assembly 16.

[0029] The pressing assembly 16 includes a second slider 161, a third connecting plate 162, a fixed shaft 163, a torsion spring 164, and a pressing plate 165. The second slider 161 is movably connected in the second slide rail 17; the third connecting plate 162 is connected to the outer wall of the second slider 161; a fixed shaft 163 is provided on the third connecting plate 162; the pressing plate 165 is rotatably connected to the fixed shaft 163; the torsion spring 164 is movably connected to the fixed shaft 163; one end of the torsion spring 164 is connected to the third connecting plate 162, and the other end is connected to the pressing plate 165. When the second slider does not enter the second slide rail, the pressing plate is tilted downward at a certain angle around the fixed shaft. When the pressing plate 165 contacts the upper surface of the deck to be welded, the torsion spring 164 is deformed, generating downward pressure on the pressing plate 165, thereby pressing the deck to be welded to prevent the deck to be welded from moving during the welding process.

[0030] The front and rear side walls of the protective cover 151 are provided with second through slots; the second connecting plate 152 and the rack 154 pass through the second through slots to facilitate the movement of the second connecting plate 152; the contact surface between the multiple "F"-shaped support frames 153 and the second connecting plate 152 is a smooth plane to facilitate the movement of the second connecting plate 152; the surface of the second support plate 11 is also a smooth plane, which can be easily moved to adjust the position of the deck to be welded; a fourth connecting plate 20 is provided on each of the upper and lower end surfaces of the second slide rail 17; multiple limit blocks 18 are threadedly connected by multiple second screws 19, and multiple limit blocks 18 can be removed from the guide rail by disassembly. The lower surface of the pressing plate 165 is provided with a resistance pad to increase the friction and maintain the stability of the deck to be welded; the resistance pad is made of silicone rubber material and has a certain high temperature resistance; the resistance pad is at a certain distance from the welding point to extend the service life.

[0031] Working principle: Place the device under the welded deck, first open the four hydraulic cylinders 5 located at the four corners of the bottom plate 1 to stretch it, drive the first support plate 7 and the second support plate 11 to make an upward linear movement along the direction of the first guide rail 3, so that the lower surface of the welded deck contacts the second support plate 11, and then selectively install the remaining multiple hydraulic cylinders 5 according to the weight of the deck to be welded, use a crane or other tools to place the deck to be welded on the upper surface of the second support plate 11, and adjust the position of the deck to be welded so that the welding point is located on the surface of the multiple support rods 13;

[0032] Insert multiple limit blocks 18 and multiple pressing assemblies 16 into the second slide rail 17 at intervals, so that the limit blocks 18 are close to the two side walls of the second slider 161, and then install multiple second screws 19 to fix the multiple limit blocks 18, thereby fixing the positions of the multiple second sliders 161. Due to the influence of the elastic force of the torsion spring 164, the pressing plate 165 is pressed tightly against the upper surface of the deck to be welded;

[0033] Turn on the motor 156, the gear 155 rotates, driving the rack 154 to move linearly along the direction of the protective cover 151, thereby driving the second connecting plate 152, the welding gun bracket 157 and the welding gun to move linearly to weld the deck;

[0034] After welding is completed, remove the multiple second screws 19, take out the multiple limit blocks 18 and the multiple pressing components 16, and remove all the hydraulic cylinders 5 except the four hydraulic cylinders 5 located at the four corners of the bottom plate 1, so that the four hydraulic cylinders 5 located at the four corners of the bottom plate 1 can be retracted.

[0035] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments may still be modified, or some or all of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A large floating production storage and offloading vessel deck welding auxiliary frame, comprising a bottom plate (1), characterized in that: A plurality of first fixing brackets (2) are mounted on the upper surface of the base plate (1); each of the first fixing brackets (2) is connected to a fixed end of a hydraulic cylinder (5) by means of a thread; a plurality of first guide rails (3) are arranged at the edges around the base plate (1); a first slider (4) is movably connected inside each of the first guide rails (3); each of the first sliders (4) is connected to one end of a plurality of first connecting plates (6), and the other ends of the plurality of first connecting plates (6) are connected to the outer side wall of a first support plate (7); a plurality of second fixing brackets (8) are mounted on the lower surface of the first support plate (7); a piston rod of the hydraulic cylinder (5) is movably connected to the outer side wall of the first support plate (7); An interference fit mounting sleeve (9); the mounting sleeve (9) is threadedly connected to the corresponding second fixing bracket (8) via a plurality of first screws (10); the upper surface of the first support plate (7) is connected to the second support plate (11); a mounting groove (12) is provided in the middle portion of the upper surface of the second support plate (11); a plurality of support rods (13) are evenly installed in the mounting groove (12); the left end surface of the second support plate (11) is connected to the third support plate (14); the upper surface of the third support plate (14) is connected to a moving component (15) for making a welding gun move linearly from front to back to weld the deck; The moving assembly (15) comprises a protective cover (151), a second connecting plate (152), a plurality of "F"-shaped support frames (153), a rack (154), a gear (155), a motor (156), and a welding gun bracket (157); the upper surface of the third supporting plate (14) is connected to the protective cover (151); the inner bottom surface of the protective cover (151) is evenly connected to the plurality of "F"-shaped support frames (153); the plurality of "F"-shaped support frames (153) are movably connected to the second connecting plate (152); the lower surface of the second connecting plate (152) is connected to the rack (154); the rack (154) and the gear (155) are meshed with each other; The gear (155) is connected to the output end of the motor (156); the fixed end of the motor (156) is connected to the motor bracket; the motor bracket is connected to the inner bottom surface of the protective cover (151); the upper surface of the second connecting plate (152) is connected to the welding gun bracket (157); the upper surface of the protective cover (151) is provided with a first through slot, and the welding gun bracket (157) passes through the first through slot; a second slide rail (17) is provided on the inner side of the outer wall of the protective cover (151); a plurality of limit blocks (18) and a plurality of pressing assemblies (16) are movably connected inside the second slide rail (17); each of the pressing assemblies (16) is located between two limit blocks (18); The pressing assembly (16) comprises a second slider (161), a third connecting plate (162), a fixed shaft (163), a torsion spring (164), and a pressing plate (165); the second slider (161) is movably connected inside the second slide rail (17); the outer wall of the second slider (161) is connected to the third connecting plate (162); the third connecting plate (162) is provided with the fixed shaft (163); the pressing plate (165) is rotatably connected to the fixed shaft (163); the torsion spring (164) is movably connected to the fixed shaft (163); one end of the torsion spring (164) is connected to the third connecting plate (162), and the other end is connected to the pressing plate (165).

2. The large floating production storage and offloading vessel deck welding auxiliary frame according to claim 1 is characterized in that: The front and rear side walls of the protective cover (151) are both provided with second through slots; the second connecting plate (152) and the rack (154) pass through the second through slots.

3. The large floating production storage and offloading vessel deck welding auxiliary frame according to claim 1 is characterized in that: The contact surface between the plurality of "F"-shaped support frames (153) and the second connecting plate (152) is a smooth plane.

4. The large floating production storage and offloading vessel deck welding auxiliary frame according to claim 1 is characterized in that: A fourth connecting plate (20) is provided on each of the upper and lower end surfaces of the second slide rail (17); and the plurality of limit blocks (18) are threadedly connected via a plurality of second screws (19).

5. The large floating production storage and offloading vessel deck welding auxiliary frame according to claim 1 is characterized in that: The lower surface of the pressing plate (165) and the upper surface of the second supporting plate (11) are provided with resistance pads.

6. The large floating production storage and offloading vessel deck welding auxiliary frame according to claim 5 is characterized in that: The resistance pad is made of silicone rubber material; the resistance pad is at a certain distance from the welding point.

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