A gantry for oil storage vessels that is convenient for loading, unloading and moving

Abstract

The invention discloses a gantry for oil storage vessels which is convenient for loading and unloading and moving, comprising two leg assemblies and a main transverse beam, a fixed pulley connecting frame being fixed at the middle part of the main transverse beam, a fixed pulley being fixed at the lower part of the fixed pulley connecting frame, end connecting blocks being welded and fixed at the left and right ends of the main transverse beam, three oblique connecting pipes extending obliquely downward being fixed on the end connecting blocks, top connecting pipe parts being welded or formed at the bottom ends of the oblique connecting pipes, top connecting flange plates being welded and fixed at the bottom ends of the top connecting pipe parts; its escalator protection frame can protect the movable pulley, fixed pulley and hook below the main transverse beam, prevent other external objects from colliding with them, and ensure their normal use; an inner reinforcing sleeve is arranged between two adjacent segmented pipes in its branch legs, so that the strength of the connection between the two adjacent segmented pipes is strengthened, and the leg assembly is fixed by three branch legs and a plurality of connecting support beams.

Description

Technical Field

[0001] The invention relates to the technical field of lifting equipment, and more particularly to a gantry for an oil storage vessel which is convenient for loading, unloading and moving. Background Art

[0002] In existing floating production storage vessels, it is generally necessary to install a gantry at a designated location, and to lift the oil barrels and other devices on the vessel through the lifting device on the gantry. The existing gantry generally adopts a truss-type gantry or a box-type gantry. The legs of the truss-type gantry are generally supported and fixed by welding a plurality of connecting beams between four branch legs to form a rectangular cross-section leg. The supporting effect is large, but the weight is too heavy, the cost is high, and the effect is not ideal.

[0003] At the same time, the hook of the lifting device of the existing gantry is located above the gantry when not in use, and there is no protective device in front and behind it, which is easy to touch other large objects on the ship and affect its normal operation;

[0004] Moreover, the branch legs are generally fixed by welding multiple pipes, with many welding parts, difficult processing, and subsequent loading and unloading, making it difficult to carry. In addition, there are no reinforcements at the welding parts, which are prone to breakage, affecting the quality of the product. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a gantry for oil storage vessels that is easy to load, unload and move. Its escalator protection frame can protect the movable pulley, fixed pulley and hook under the main transverse beam to prevent other external objects from colliding with them, thereby ensuring their normal use. In addition, an internal reinforcing sleeve is arranged between two adjacent segmented pipes in its branch legs, so that the strength of the connection between the two adjacent segmented pipes is strengthened. The branch leg assembly is fixed by three branch legs and multiple connecting support beams, and its cross-section is triangular. Without changing its strength, its weight is greatly reduced and its manufacturing cost is reduced. At the same time, its branch legs are fixed by multiple segmented pipes through fixing bolts, so it is easy to load and unload, and the fixing bolts are firmly fixed with high strength.

[0006] The solution of the present invention to solve the technical problem is:

[0007] A gantry for an oil storage vessel with convenient loading and unloading movement comprises two leg assemblies and a main transverse beam, a fixed pulley connecting frame is fixed at the middle of the main transverse beam, a fixed pulley is fixed at the lower part of the fixed pulley connecting frame, a winch is installed on one of the leg assemblies, a movable pulley is arranged below the fixed pulley, a hook is fixed at the lower part of the movable pulley, a steel wire rope of the winch is wound around the movable pulley and the fixed pulley, end connection blocks are welded and fixed at both ends of the main transverse beam, three oblique connection pipes extending obliquely downward are fixed on the end connection blocks, top connection pipe parts are welded or formed at the bottom ends of the oblique connection pipes, and top connection flange plates are welded and fixed at the bottom ends of the top connection pipe parts;

[0008] The leg assembly includes three branch legs, and a plurality of connecting support beams are fixed between two adjacent branch legs in each leg assembly, and the ends of the connecting support beams are welded and fixed to the side walls of the corresponding branch legs, and the cross section of the leg assembly is triangular; the top connecting flange plate is fixedly connected to the top of the corresponding branch leg by fixing bolts;

[0009] Each branch leg is connected and fixed up and down by a plurality of segmented pipes;

[0010] An inner reinforcing sleeve is clamped in the lower part of the segmented pipe in the middle of the branch leg, the lower part of the inner reinforcing sleeve extends out of the bottom of the segmented pipe and is inserted into the upper part of the segmented pipe below, and the lower outer side wall of the inner reinforcing sleeve is close to the inner side wall of the corresponding segmented pipe.

[0011] The top and bottom ends of the segmented pipe are both welded and fixed with connecting flange plates, and the edges of the connecting flange plates are formed with multiple connecting through holes. The connecting flange plate at the bottom end of the upper segmented pipe and the connecting flange plate at the top end of the lower segmented pipe are pressed against each other, and the screw portion of the fixing bolt is inserted into the upper and lower aligned connecting through holes of the corresponding two connecting flange plates. The bottom end of the screw portion of the fixing bolt extends out of the bottom surface of the lower connecting flange plate and is screwed with a locking nut.

[0012] A plurality of fixed connecting plates are welded and fixed on the side walls of the uppermost segmented tubes of the front and rear branch legs of the leg assembly, a plurality of escalator protection frames are located between the two leg assemblies, and mounting plates are fixed at the ends of the upper and lower connecting beams of the escalator protection frames, and the mounting plates are fixedly connected to the corresponding fixed connecting plates by connecting bolts.

[0013] The screw rod portion of the fixing bolt and the inner side wall of the connecting through hole are coated with thread glue.

[0014] Limiting rings are fixed on the inner side walls of the upper and lower parts of the segmented pipe, the outer side wall of the inner reinforcing sleeve below the segmented pipe is pressed against the inner side wall of the segmented pipe, and the top surface of the inner reinforcing sleeve below the segmented pipe is pressed against the bottom surface of the corresponding limiting ring.

[0015] The outer side wall of the limiting ring body is welded and fixed on the inner side wall of the segmented pipe;

[0016] The bottom surface of the inner reinforcing sleeve is pressed against or close to the top surface of the limiting ring in the upper part of the segmented pipe below.

[0017] A metal elastic gasket and a rubber gasket are clamped between the mounting plate and the fixed connecting plate. The metal elastic gasket has a wavy cross-section and is clamped between the rubber gasket and the mounting plate. The rubber gasket is clamped between the fixed connecting plate and the metal elastic gasket. The screw portion of the connecting bolt is inserted into the corresponding and aligned through holes of the mounting plate, the metal elastic gasket and the rubber gasket, and the end of the screw portion of the connecting bolt is screwed onto the corresponding screw hole on the fixed connecting plate.

[0018] Among the three branch legs of the leg assembly, the front and rear branch legs are connected and fixed by multiple segmented tubes with rectangular cross-sections, the middle branch leg is connected and fixed by multiple segmented tubes with annular cross-sections, and the cross-section of the rear branch leg is larger than that of the front branch leg.

[0019] A gripping extension piece extending in the direction is formed on one side of the metal elastic gasket.

[0020] An upper fixed block is fixed on the main transverse beams at the left and right sides of the fixed pulley connecting frame, and the front wall and the rear wall of the upper fixed block are both inclined wall surfaces. The upper end connecting plate of the oblique support connecting rod is fixedly connected to the front wall surface or the rear wall surface of the upper fixed block by bolts, and the lower end connecting plate of the oblique support connecting rod is fixedly connected to the corresponding fixed connecting plate of the segmented pipe of the front or rear branch leg by bolts.

[0021] The outstanding effects of the present invention are:

[0022] Its escalator protection frame can protect the movable pulley, fixed pulley and hook under the main transverse beam, prevent other external objects from colliding with them, and ensure their normal use.

[0023] Moreover, an inner reinforcing sleeve is arranged between two adjacent segmented pipes in the branch legs, so that the strength of the connection between the two adjacent segmented pipes is strengthened.

[0024] The leg assembly is composed of three branch legs and multiple connecting support beams, and its cross-section is triangular. It greatly reduces weight and manufacturing costs without changing its strength. At the same time, its branch legs are fixed with multiple segmented pipes through fixing bolts, which makes loading and unloading easy, and the fixing bolts are firmly fixed with high strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a partial structural schematic diagram of the present invention;

[0026] Figure 2It is a partial enlarged view of the outrigger assembly;

[0027] Figure 3 is a partial cross-sectional view of the connection between the segmented pipes of the present invention;

[0028] Figure 4 yes Figure 3 A partial enlarged view of .

[0029] Figure 5 yes Figure 2 A partial enlarged view of

[0030] Figure 6 It is a schematic diagram of a local structure at the bottom of the front or rear branch leg;

[0031] Figure 7 It is a schematic diagram of the local structure at the positioning pin;

[0032] Figure 8 It is a schematic diagram of the local structure of the mounting plate and the fixed connecting plate. DETAILED DESCRIPTION

[0033] For example, see Figures 1 to 8 As shown, a gantry for oil storage vessels with convenient loading and unloading movement comprises two leg assemblies 10 and a main transverse beam 20, a fixed pulley connecting frame 21 is fixed to the middle of the main transverse beam 20, a fixed pulley 22 is fixed to the lower part of the fixed pulley connecting frame 21, a winch 30 is installed on one of the leg assemblies 10, a movable pulley 23 is provided below the fixed pulley 22, a hook 240 is fixed to the lower part of the movable pulley 23, a steel wire rope of the winch 30 is wound around the movable pulley 23 and the fixed pulley 22, and end connection blocks 24 are welded and fixed to the left and right ends of the main transverse beam 20, three oblique connecting pipes 25 extending obliquely downward are fixed to the end connection blocks 24, and the bottom ends of the oblique connecting pipes 25 are welded or formed with top connecting pipe parts 251, and the bottom ends of the top connecting pipe parts 251 are welded and fixed with top connecting flange plates 252;

[0034] The leg assembly 10 includes three branch legs, and a plurality of connecting support beams 15 are fixed between two adjacent branch legs in each leg assembly 10. The ends of the connecting support beams 15 are welded and fixed to the side walls of the corresponding branch legs, so that the cross-section of the leg assembly 10 is triangular; the top connecting flange plate 252 is fixedly connected to the top of the corresponding branch leg by fixing bolts 1; the winch 30 is fixed on the lower connecting support beam 15 between the two branch legs of one of the leg assemblies 10.

[0035] Each branch leg is connected and fixed up and down by a plurality of segmented pipes 11;

[0036] An inner reinforcing sleeve 12 is inserted into the lower part of the segmented pipe 11 in the middle of the branch leg. The lower part of the inner reinforcing sleeve 12 extends out of the bottom of the segmented pipe 11 and is inserted into the upper part of the segmented pipe 11 below. The lower outer wall of the inner reinforcing sleeve 12 is close to the inner wall of the corresponding segmented pipe 11.

[0037] Furthermore, the top and bottom ends of the segmented pipe 11 are welded and fixed with connecting flange plates 13, and the edges of the connecting flange plates 13 are formed with multiple connecting through holes 131. The connecting flange plate 12 at the bottom end of the upper segmented pipe 11 and the connecting flange plate 12 at the top end of the lower segmented pipe 11 are pressed against each other, and the screw portion of the fixing bolt 1 is inserted into the upper and lower aligned connecting through holes 131 of the corresponding two connecting flange plates 12, and the bottom end of the screw portion of the fixing bolt 1 extends out of the bottom surface of the lower connecting flange plate 12 and is screwed with a locking nut 2.

[0038] Furthermore, a plurality of fixed connecting plates 15 are welded and fixed on the side walls of the uppermost segmented tubes 11 of the front and rear branch legs of the leg assembly 10, a plurality of escalator protection frames 40 are located between the two leg assemblies 10, and mounting plates 41 are fixed to the ends of the upper and lower connecting beams of the escalator protection frames 40, and the mounting plates 41 are fixedly connected to the corresponding fixed connecting plates 15 by connecting bolts. In this embodiment, a plurality of escalator protection frames 40 are provided between the two branch legs at the front of the two leg assemblies 10, and a plurality of escalator protection frames 40 are also provided between the two branch legs at the rear of the two leg assemblies 10;

[0039] The escalator protection frame 40 includes three upper and lower parallel connection beams, a plurality of support rods are arranged between the middle connection beam and the upper or lower connection beam, and two ends of the support rods are respectively welded and fixed on two adjacent connection beams.

[0040] Furthermore, the screw rod portion of the fixing bolt 1 and the inner wall of the connecting through hole 131 are coated with thread glue.

[0041] Furthermore, a limiting ring body 14 is fixed on the inner side walls of the upper and lower parts of the segmented pipe 11, the outer side wall of the inner reinforcing sleeve 12 below the segmented pipe 11 is pressed against the inner side wall of the segmented pipe 11, and the top surface of the inner reinforcing sleeve 12 below the segmented pipe 11 is pressed against the bottom surface of the corresponding limiting ring body 14.

[0042] Furthermore, the outer wall of the limiting ring body 14 is welded and fixed to the inner wall of the segmented pipe 11;

[0043] The bottom surface of the inner reinforcing sleeve 12 is pressed against or close to the top surface of the limiting ring 14 in the upper part of the segmented pipe 11 below.

[0044] Furthermore, a metal elastic gasket 5 and a rubber gasket 6 are sandwiched between the mounting plate 41 and the fixed connecting plate 15. The cross section of the metal elastic gasket 5 is wavy and is sandwiched between the rubber gasket 6 and the mounting plate 41. The rubber gasket 6 is sandwiched between the fixed connecting plate 15 and the metal elastic gasket 5. The screw portion of the connecting bolt is inserted into the corresponding and aligned through holes of the mounting plate 41, the metal elastic gasket 5 and the rubber gasket 6. The end of the screw portion of the connecting bolt is screwed to the corresponding screw hole on the fixed connecting plate 15. The metal elastic gasket 5 and the rubber gasket 6 are sandwiched between the mounting plate 41 and the fixed connecting plate 15 and fixed by the connecting bolts, so that the fixation is more firm and the connecting bolts are not easy to loosen, thereby ensuring a firm fixation effect.

[0045] Furthermore, among the three branch legs of the leg assembly 10, the front and rear branch legs are connected and fixed by multiple segmented tubes 11 with rectangular cross-sections, the middle branch leg is connected and fixed by multiple segmented tubes 11 with annular cross-sections, and the cross-section of the rear branch leg is larger than that of the front branch leg.

[0046] Furthermore, one side of the metal elastic gasket 5 is formed with a gripping extension piece 7 extending in the direction.

[0047] Furthermore, an upper fixed block 26 is fixed on the main transverse beam 20 at the left and right sides of the fixed pulley connecting frame 21, and the front wall and the rear wall of the upper fixed block 26 are both inclined wall surfaces. The upper end connecting plate of the oblique support connecting rod 27 is fixedly connected to the front wall surface or the rear wall surface of the upper fixed block 26 by bolts, and the lower end connecting plate of the oblique support connecting rod 27 is fixedly connected to the corresponding fixed connecting plate 15 of the segmented pipe 11 of the front or rear branch leg by bolts.

[0048] It realizes connection support between the main transverse beam 20 and the two leg assemblies 10 through a plurality of oblique support connecting rods 27 , thereby ensuring the supporting effect and supporting force of the main transverse beam 20 .

[0049] Washers 3 and elastic washers 4 are inserted on the screw parts of the fixing bolt 1 and the screw parts of the connecting bolt. The elastic washer 4 at the fixing bolt 1 is clamped between the washer 3 and the locking nut 2. The top surface of the washer 3 is pressed against the bottom surface of the corresponding connecting flange plate 12. The rotating part of the fixing bolt 1 is pressed against the top surface of the corresponding connecting flange plate 12. The elastic washer 4 at the connecting bolt is clamped between the washer 3 and the rotating part of the connecting bolt. The washer 3 at the connecting bolt is pressed against the outer wall surface of the mounting plate 41.

[0050] A plurality of ladder transverse rods 8 are welded and fixed on the outer wall of the segmented tube 11 of one branch leg of one of the leg assemblies 10, and all the ladder transverse rods 8 are arranged up and down, which can be used for manual climbing upwards along the ladder transverse rods 8 during maintenance, facilitating maintenance.

[0051] In this embodiment, each branch leg includes three interconnected segmented pipes 11, a limiting ring body 14 is welded and fixed in the upper part of the lowest segmented pipe 11, and a limiting ring body 14 is welded and fixed in the upper and lower parts of the middle and upper segmented pipes 11, and an inner reinforcing sleeve 12 is clamped or welded and fixed in the lower part of the middle and upper segmented pipes 11, and the bottom of the inner reinforcing sleeve 12 extends out of the bottom surface of the corresponding segmented pipe 11, and a connecting flange plate 13 is welded and fixed on the top surface of the lowest segmented pipe 11, and connecting flange plates 13 are welded and fixed at both ends of the middle and upper segmented pipes 11. When installing and using, the inner reinforcing sleeve 12 can be inserted into the upper part of the corresponding segmented pipe 11, and then the corresponding two connecting flange plates 13 are fixedly connected by fixing bolts 1, and the inner reinforcing sleeve 12 is first inserted into the upper part of the corresponding segmented pipe 11, so as to facilitate positioning during installation and assembly;

[0052] Moreover, the strength of the connection is improved by the inner reinforcing sleeve 12 to ensure the supporting effect.

[0053] The connecting flange plate 13 at the top of the segmented pipe 11 at the top of the three branch legs is connected to the corresponding top connecting flange plate 252 through the fixing bolts 1 and is pressed against the top surface of the corresponding top connecting flange plate 252 to achieve connection with the main transverse beam 20.

[0054] In the branch legs at the front and rear of the leg assembly 10, a connecting sleeve 111 and a transverse connecting column 112 are fixed on the left and right side walls of the bottom end of the segmented tube 11 at the bottom, the transverse connecting column 112 is inserted into the connecting sleeve 111, and an external thread is formed on the outer wall of the connecting sleeve 111. The outer end of the transverse connecting column 112 extends out of the connecting sleeve 111, and the bottom vertical connecting end plate 113 is fixedly connected with a fixing sleeve 114 by bolts. The fixing sleeve 114 is screwed on the external thread of the connecting sleeve 111, and the outer end of the transverse connecting column 112 extends out of the central through hole of the bottom vertical connecting end plate 113;

[0055] The edge of the bottom vertical connecting end plate 113 is formed with multiple installation and fixing through holes 115 and at least one positioning through hole 116, the positioning pin 19 is inserted into the corresponding positioning through hole 116, the outer end of the positioning pin 19 is formed with a positioning portion, the inner end of the rod body of the positioning pin 19 extends out of the inner end surface of the positioning through hole 116, the rod body of the positioning pin 19 is formed with an installation vertical through hole 191, and the lower inner side wall of the installation vertical through hole 191 is formed with a raised strip 192, the pin shaft of the locking pin 18 is inserted into the installation vertical through hole 191, and the bottom side wall of the pin shaft of the locking pin 18 is formed with an upwardly extending limit groove, and the raised strip 192 is inserted into the corresponding limit groove.

[0056] When installing this embodiment, the bottom vertical connecting end plate 113 is placed on the connecting seat of the hull, and the inner end of the rod body of the positioning pin 19 is extended out of the inner end surface of the positioning through hole 116 and the positioning hole of the connecting seat. Then, the pin shaft of the locking pin 18 is inserted into the installation vertical through hole 191, and the raised strip 192 is inserted into the corresponding limit groove, so that the locking pin 18 can be positioned while ensuring that it will not rotate. The locking pin 18 can be connected with a structure such as a D-shaped pin, which is convenient to connect and has a good effect.

[0057] Then, the bottom vertical connection end plate 113 is fixed to the connection seat with bolts.

[0058] After this embodiment has been used at a connection seat of the hull for a certain period of time, the bottom vertical connection end plate 113 can be disassembled from the connection seat, moved to a subsequent connection seat, and then connected and used again, which has a good effect.

[0059] Moreover, the fixing sleeve 114 at the bottom vertically connected end plate 113 is fixed to the connecting sleeve 111 by screwing, which is convenient for loading and unloading. Similarly, most of the connections in this embodiment are detachable, which makes it easy to load and unload and transport.

[0060] The above implementation modes are only used to illustrate the present invention, but not to limit the present invention. Ordinary technicians in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention. The patent protection scope of the present invention should be defined by the claims.

Claims

1. A gantry for an oil storage vessel that is convenient for loading and unloading and moving, comprising two leg assemblies (10) and a main transverse beam (20), wherein a fixed pulley connecting frame (21) is fixed to the middle of the main transverse beam (20), a fixed pulley (22) is fixed to the lower part of the fixed pulley connecting frame (21), a winch (30) is installed on one of the leg assemblies (10), a movable pulley (23) is provided below the fixed pulley (22), a hook (240) is fixed to the lower part of the movable pulley (23), and a steel wire rope of the winch (30) is wound around the movable pulley (23) and the fixed pulley (22), characterized in that: The left and right ends of the main transverse beam (20) are both welded and fixed with end connection blocks (24), three oblique connection pipes (25) extending obliquely downward are fixed on the end connection blocks (24), the bottom ends of the oblique connection pipes (25) are welded or formed with top connection pipe parts (251), and the bottom ends of the top connection pipe parts (251) are welded and fixed with top connection flange plates (252); The leg assembly (10) comprises three branch legs, a plurality of connecting support beams (15) are fixed between two adjacent branch legs in each leg assembly (10), the ends of the connecting support beams (15) are welded and fixed to the side walls of the corresponding branch legs, and the cross-section of the leg assembly (10) is triangular; the top connecting flange plate (252) is fixedly connected to the top of the corresponding branch leg by means of fixing bolts (1); Each branch leg is connected and fixed up and down by a plurality of segmented pipes (11); An inner reinforcing sleeve (12) is clamped in the lower part of the segmented pipe (11) in the middle of the branch leg, the lower part of the inner reinforcing sleeve (12) extends out of the bottom of the segmented pipe (11) and is inserted into the upper part of the segmented pipe (11) below, and the lower outer side wall of the inner reinforcing sleeve (12) is close to the inner side wall of the corresponding segmented pipe (11).

2. The gantry for oil storage vessels that is convenient for loading and unloading according to claim 1 is characterized in that: The top and bottom ends of the segmented pipe (11) are both welded and fixed with connecting flange plates (13), and the edges of the connecting flange plates (13) are formed with a plurality of connecting through holes (131). The connecting flange plate (13) at the bottom end of the upper segmented pipe (11) and the connecting flange plate (13) at the top end of the lower segmented pipe (11) are pressed against each other, and the screw portion of the fixing bolt (1) is inserted into the upper and lower aligned connecting through holes (131) of the corresponding two connecting flange plates (13), and the bottom end of the screw portion of the fixing bolt (1) protrudes from the bottom surface of the lower connecting flange plate (13) and is screwed with a locking nut (2).

3. The gantry for oil storage vessels that is convenient for loading and unloading according to claim 2 is characterized in that: A plurality of fixed connection plates (15) are welded and fixed to the side walls of the uppermost segmented tubes (11) of the front and rear branch legs of the support leg assembly (10), a plurality of escalator protection frames (40) are located between the two support leg assemblies (10), and mounting plates (41) are fixed to the ends of the upper and lower connecting beams of the escalator protection frames (40), and the mounting plates (41) are fixedly connected to the corresponding fixed connection plates (15) by connecting bolts.

4. The gantry for oil storage vessels that is convenient for loading and unloading according to claim 2 is characterized in that: The screw rod portion of the fixing bolt (1) and the inner wall of the connecting through hole (131) are previously coated with thread glue.

5. The gantry for oil storage vessels that is convenient for loading and unloading and moving according to claim 1 is characterized in that: Limiting ring bodies (14) are fixed on the inner side walls of the upper and lower parts of the segmented pipe (11); the outer side wall of the inner reinforcing sleeve (12) below the segmented pipe (11) is pressed against the inner side wall of the segmented pipe (11); and the top surface of the inner reinforcing sleeve (12) below the segmented pipe (11) is pressed against the bottom surface of the corresponding limiting ring body (14).

6. The gantry for oil storage vessels that is convenient for loading and unloading according to claim 5 is characterized in that: The outer wall of the limiting ring (14) is welded and fixed to the inner wall of the segmented pipe (11); The bottom surface of the inner reinforcing sleeve (12) is pressed against or close to the top surface of the limiting ring body (14) in the upper part of the segmented pipe (11) below.

7. The gantry for oil storage vessels that is convenient for loading and unloading according to claim 3 is characterized in that: A metal elastic gasket (5) and a rubber gasket (6) are sandwiched between the mounting plate (41) and the fixed connecting plate (15); the metal elastic gasket (5) has a wavy cross-section and is sandwiched between the rubber gasket (6) and the mounting plate (41); the rubber gasket (6) is sandwiched between the fixed connecting plate (15) and the metal elastic gasket (5); the screw portion of the connecting bolt is inserted into corresponding and aligned through holes of the mounting plate (41), the metal elastic gasket (5) and the rubber gasket (6); and the end of the screw portion of the connecting bolt is screwed to a corresponding screw hole on the fixed connecting plate (15).

8. The gantry for oil storage vessels that is convenient for loading and unloading according to claim 7 is characterized in that: Of the three branch legs of the branch leg assembly (10), the front and rear branch legs are formed by connecting and fixing a plurality of segmented tubes (11) with rectangular cross-sections, the middle branch leg is formed by connecting and fixing a plurality of segmented tubes (11) with annular cross-sections, and the cross-section of the rear branch leg is larger than that of the front branch leg.

9. The gantry for oil storage vessels that is convenient for loading and unloading according to claim 7 is characterized in that: One side of the metal elastic gasket (5) is formed with a gripping extension piece (7) extending in the direction of rotation.

10. The gantry for oil storage vessels that is convenient for loading and unloading and moving according to claim 1 is characterized in that: An upper fixed block (26) is fixed to the main transverse beam (20) at the left and right sides of the fixed pulley connecting frame (21); the front wall surface and the rear wall surface of the upper fixed block (26) are both inclined wall surfaces; the upper end connecting plate of the inclined support connecting rod (27) is fixedly connected to the front wall surface or the rear wall surface of the upper fixed block (26) by bolts; and the lower end connecting plate of the inclined support connecting rod (27) is fixedly connected to the corresponding fixed connecting plate (15) of the segmented pipe (11) of the front or rear branch leg by bolts.

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