Cargo hoist and crane for a ship

Abstract

The present application relates to hoisting technical field, specifically to a kind of ship goods hoisting hoisting and unloading equipment, including hoisting machine table, the hoisting machine table is equipped with main hoist arm, and one end of the main hoist arm is fixed with lower extension load bar, and the lower end of the lower extension load bar is fixed with closed piston plate, and the hoisting machine table of main hoist arm lower side is fixed with support cooperation rod, and the support cooperation rod is fixed with upper top load plate, and the upper top load plate is in contact with main hoist arm, storage type auxiliary support mechanism is arranged on the hoisting machine table, hoisting machine table is in non-working state, storage type auxiliary support mechanism is in storage state, reduce the space occupied by entire hoisting equipment, when hoisting machine table is in working condition, it can be unfolded, in turn, main hoist arm on hoisting machine table can be supported at multiple points, fully guarantee the stability of main hoist arm in hoisting process, enhance its own strength, have with its long-term stable use.

Description

TECHNICAL FIELD

[0001] The present application relates to the hoisting technology field, specifically to a cargo hoisting and lifting equipment for a ship. BACKGROUND

[0002] A hoisting equipment will be installed on a ship for hoisting cargo, the hoisting equipment is provided with a lifting arm, the lifting arm is generally composed of a main lifting arm and multiple auxiliary lifting arms, the length of the lifting arm can be changed by telescoping, thereby facilitating the lifting of the cargo, and when the length of the lifting arm is increased, the stress center of the whole lifting arm is on the main lifting arm, the support mechanism of the existing hoisting equipment is too simple, and cannot realize multi-point support, which is not conducive to the long-term stable use of the hoisting equipment, especially when the hoisting work is carried out on the ship, the working environment is more complex, and the support mechanism cannot be stored when the lifting arm is in a non-working state, which reduces the space occupied by the hoisting equipment, and in order to safely hoist, a weight is generally added to the rear end of the main lifting arm for balance, which is more troublesome, and there is a risk of the weight falling off. SUMMARY

[0003] The purpose of the present application is to provide a cargo hoisting and lifting equipment for a ship to solve the problems raised in the background.

[0004] To achieve the above purpose, the present application provides the following technical scheme:

[0005] A cargo hoisting and lifting equipment for a ship, comprising a hoisting machine table, a main lifting arm is installed on the hoisting machine table, a lower extension bearing rod is fixedly arranged at one end of the main lifting arm, a closed piston plate is fixedly arranged at the lower end of the lower extension bearing rod, a support matching rod is fixedly arranged on the hoisting machine table below the main lifting arm, an upper top bearing plate is fixedly arranged on the support matching rod, the upper top bearing plate is in contact with the main lifting arm, and an internal recess is also provided on the hoisting machine table below the main lifting arm, a hydraulic rod piece is fixedly installed in the internal recess, matching guide holes are symmetrically provided on the inner walls of the internal recess on both sides of the hydraulic rod piece, a bearing matching plate is fixedly arranged on the hoisting machine table below the closed piston plate, a sealing column is fixedly arranged on the bearing matching plate, a negative pressure inner cavity is provided in the sealing column, the negative pressure inner cavity penetrates the bearing matching plate, the closed piston plate is inserted into the negative pressure inner cavity, and a storage type auxiliary support mechanism is installed on the hoisting machine table.

[0006] Preferably, the auxiliary support mechanism comprises a bearing movable table, a driving connecting plate, a movable support table, a driving matching plate, a first auxiliary bearing table, a second auxiliary bearing table and a connecting plate frame, the bearing movable table is installed in the built-in groove, the bearing movable table is fixedly connected with the hydraulic rod, and symmetrical support table arms are fixedly arranged at the two sides of the upper end of the bearing movable table, a movable limiting hole is formed in the support table arm, and the movable limiting hole penetrates the bearing movable table.

[0007] Preferably, symmetrical matching guide rods are fixedly arranged at the two sides of the lower end of the bearing movable table, the matching guide rods are inserted into the matching guide holes, a matching connecting strip is further fixedly arranged at the upper end of the bearing movable table, a first support connecting frame is fixedly arranged on the matching connecting strip, a movable support hinge rod is hinged to the first support connecting frame, a connecting driving frame is fixedly arranged at the end of the matching connecting strip away from the bearing movable table, a connecting vertical frame is fixedly arranged on the connecting driving frame, an installation connecting frame is fixedly arranged on the connecting vertical frame, and a driving connecting rod is hinged to the installation connecting frame.

[0008] Preferably, a driving connecting plate is hinged to the upper end of the movable support hinge rod, symmetrical matching movable holes are formed at the two sides of the driving connecting plate, support matching rods are inserted into the matching movable holes, a connecting convex strip is fixedly arranged at the upper end of the driving connecting plate, a connection channel is formed in the connecting convex strip, a second support connecting frame is fixedly arranged at the lower end of the driving connecting plate, and the second support connecting frame is hinged to the upper end of the movable support hinge rod.

[0009] Preferably, the movable support table is installed on the bearing movable table, symmetrical limiting movable rods are fixedly arranged at the two sides of the lower end of the movable support table, the limiting movable rods are inserted into the movable limiting holes, a support convex table is fixedly arranged at the upper end of the movable support table, a connection movable rod is fixedly arranged on the support convex table, the connection movable rod is inserted into the connection channel, symmetrical movement matching holes are formed in the support convex tables at the two sides of the connection movable rod, installation insertion holes are further formed in the support convex tables, and the installation insertion holes penetrate the movable support table.

[0010] Preferably, the support convex table is provided with a driving matching plate, an installation insertion rod is fixedly arranged at the lower end of the driving matching plate, the installation insertion rod is inserted into the installation insertion hole, and symmetrical connecting matching rods are hinged to the two ends of the driving matching plate, the lower end of the connecting matching rod at one end is hinged to the first auxiliary bearing table, and the lower end of the connecting matching rod at the other end is hinged to the second auxiliary bearing table.

[0011] Preferably, the first auxiliary bearing table is symmetrically provided with a moving guide rod, the moving guide rod is inserted into the moving cooperation hole, and the first auxiliary bearing table is fixedly provided with a bearing tab, the bearing tab is provided with a moving through hole, the moving through hole is inserted with a supporting movable rod, the upper end of the supporting movable rod is fixedly provided with a first auxiliary supporting plate, the lower end of the first auxiliary supporting plate is symmetrically fixedly provided with a limiting contact plate, the lower end of the supporting movable rod is fixedly provided with a cooperation bottom block, and the supporting movable rod is sleeved with a first reset spring.

[0012] Preferably, the second auxiliary bearing table is provided with a moving sliding hole, the moving sliding hole is inserted with a connecting movable rod, and the two sides of the second auxiliary bearing table are symmetrically fixedly provided with a lateral bearing plate, and the lateral bearing plate is provided with a movable through hole.

[0013] Preferably, the second auxiliary bearing table is provided with a second auxiliary supporting plate, the lower end of the second auxiliary supporting plate is fixedly provided with a limiting contact block, and the second auxiliary supporting plate is also symmetrically fixedly provided with a movable bearing rod, the movable bearing rod is inserted into the movable through hole, the lower end of the movable bearing rod is fixedly provided with a supporting bottom block, and the movable bearing rod is sleeved with a second reset spring.

[0014] Preferably, the lower end of the driving connection rod is hinged with a connecting plate frame, the connecting plate frame is fixedly provided with a cooperation bearing rod, the upper end of the cooperation bearing rod is fixedly provided with a movable plug plate, and the movable plug plate is inserted into the negative pressure inner cavity.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. The storage type auxiliary supporting mechanism is arranged on the hoisting machine table, the storage type auxiliary supporting mechanism is in the storage state when the hoisting machine table is in the non-working state, the space occupied by the whole hoisting equipment is reduced, the storage type auxiliary supporting mechanism can be unfolded when the hoisting machine table is in the working state, thereby the main hoisting arm on the hoisting machine table can be supported at multiple points, the stability of the main hoisting arm in the hoisting process is fully guaranteed, the strength of the main hoisting arm is enhanced, and the main hoisting arm can be used stably for a long time.

[0017] 2. When the main hoist is working, the hydraulic rod drives the movable bearing table to move, and with the movement of the movable bearing table, it will drive the driving connecting plate to move upwards, and then under the action of the driving connecting plate, it will drive the movable supporting table to move upwards, and with the upward movement of the movable supporting table, the driving matching plate will be in contact with the main hoist, so that with the upward movement of the movable supporting table, under the limitation of the main hoist, the distance between the driving matching plate and the movable supporting table will become smaller, and then the first auxiliary supporting plate and the second auxiliary supporting plate will be moved away from the movable supporting table, and at the same time, the first auxiliary supporting plate and the second auxiliary supporting plate will be in contact with the main hoist, so as to provide auxiliary support and ensure the stability during the working process.

[0018] 3. In addition, when the movable bearing table moves, under the action of the driving connecting rod, the connecting plate frame will move downwards, so that with the increase of the distance between the closed piston plate and the movable piston plate, a larger negative pressure will be formed in the negative pressure inner cavity, and then under the action of the negative pressure, a downward suction force will be generated on the closed piston plate, and then a larger downward suction force will be generated on the main hoist, so that it can maintain a balanced state during the lifting process without needing to bear the weight, which is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The first perspective view of the hoisting machine platform assembly.

[0020] Figure 2 The second perspective view of the hoisting machine platform assembly.

[0021] Figure 3 The enlarged view of A in the middle. Figure 2

[0022] Figure 4 The structural view of the hoisting machine platform.

[0023] Figure 5 The first perspective view of the storage type auxiliary supporting mechanism assembly.

[0024] Figure 6 The second perspective view of the storage type auxiliary supporting mechanism assembly.

[0025] Figure 7 The structural view of the movable bearing table.

[0026] Figure 8 The structural view of the movable supporting table.

[0027] Figure 9 The assembly view of the movable supporting table.

[0028] ​In the figure: 1, hoisting machine table; 11, main hoist arm; 111, lower extension carrier rod; 112, closed piston plate; 12, support matching rod; 13, upper top carrier plate; 14, built-in groove; 15, hydraulic rod piece; 16, matching guide hole; 17, carrier matching plate; 18, sealing column; 19, negative pressure inner cavity; 2, carrier movable table; 21, support table arm; 22, movable limiting hole; 23, matching guide rod; 24, matching connecting strip; 25, first support connecting frame; 251, movable support hinge rod; 26, connecting driving frame; 27, connecting vertical frame; 28, mounting connecting frame; 29, driving connecting rod; 3, driving connecting plate; 31, matching movable hole; 32, connecting convex strip; 33, connection channel; 34, second support connecting frame; 4, movable support table; 41, limiting movable rod; 42, support convex platform; 43, connection movable rod; 44, moving matching hole; 45, mounting plug-in hole; 5, driving matching plate; 51, mounting plug-in rod; 52, connecting matching rod; 6, first auxiliary carrier table; 61, moving guide rod; 62, carrier convex plate; 63, moving through hole; 64, support movable rod; 65, first auxiliary support plate; 66, limiting contact plate; 67, matching bottom block; 68, first reset spring; 7, second auxiliary carrier table; 71, moving sliding hole; 72, lateral carrier plate; 73, movable through hole; 74, second auxiliary support plate; 741, limiting contact block; 75, movable carrier rod; 76, support bottom block; 77, second reset spring; 8, connecting frame; 81, matching carrier rod; 82, movable plug plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0030] Please refer to Figures 1 to 9 The present application provides a technical solution:

[0031] The utility model provides a kind of ship cargo hoisting and loading-unloading equipment, including hoisting machine platform 1, main hoist arm 11 is installed on hoisting machine platform 1, the lower side of one end of main hoist arm 11 is fixedly provided with lower extension bearing rod 111, the lower end of lower extension bearing rod 111 is fixedly provided with closed piston plate 112, support matching rod 12 is fixedly provided on the lower side of hoisting machine platform 1 of main hoist arm 11, support matching rod 12 is fixedly provided with upper top bearing plate 13, upper top bearing plate 13 is in contact with main hoist arm 11, and hoisting machine platform 1 of the lower side of main hoist arm 11 is also provided with built-in recess 14, hydraulic rod piece 15 is fixedly installed in built-in recess 14, the inner wall of built-in recess 14 on the two sides of hydraulic rod piece 15 is symmetrically provided with matched guide hole 16, bearing matching plate 17 is fixedly provided on the lower side of hoisting machine platform 1 of closed piston plate 112, bearing matching plate 17 is fixedly provided with sealing pier 18, sealing pier 18 is provided with negative pressure inner cavity 19, negative pressure inner cavity 19 penetrates bearing matching plate 17, and closed piston plate 112 is inserted in negative pressure inner cavity 19, and hoisting machine platform 1 is installed with storage type auxiliary support mechanism.

[0032] Storage type auxiliary support mechanism includes bearing movable platform 2, drive connecting plate 3, movable support platform 4, drive matching plate 5, first auxiliary bearing platform 6, second auxiliary bearing platform 7 and connecting plate frame 8, bearing movable platform 2 is installed in built-in recess 14, bearing movable platform 2 is fixedly connected with hydraulic rod piece 15, and the upper end of bearing movable platform 2 is symmetrically fixedly provided with support platform arm 21, movable limit hole 22 is provided on support platform arm 21, and movable limit hole 22 penetrates bearing movable platform 2.

[0033] The lower end of bearing movable platform 2 is symmetrically fixedly provided with matched guide rod 23, matched guide rod 23 is inserted in matched guide hole 16, and the upper end of bearing movable platform 2 is also fixedly provided with matched connecting strip 24, matched connecting strip 24 is fixedly provided with first support connecting frame 25, first support connecting frame 25 is hinged with movable support hinge lever 251, and the end of matched connecting strip 24 away from bearing movable platform 2 is fixedly provided with connecting driving frame 26, connecting driving frame 26 is fixedly provided with connecting vertical frame 27, connecting vertical frame 27 is fixedly provided with installation connecting frame 28, and installation connecting frame 28 is hinged with drive connecting rod 29.

[0034] The upper end of movable support hinge lever 251 is hinged with drive connecting plate 3, drive connecting plate 3 is symmetrically provided with matched movable hole 31 on the two sides, matched movable hole 31 is inserted with support matching rod 12, connecting convex strip 32 is fixedly provided on the upper end of drive connecting plate 3, connecting convex strip 32 is provided with link channel 33, and the lower end of drive connecting plate 3 is fixedly provided with second support connecting frame 34, and second support connecting frame 34 is hinged with the upper end of movable support hinge lever 251, and drive connecting plate 3 can move up and down along support matching rod 12.

[0035] The movable support table 4 is installed on the bearing movable table 2, and limit movable rods 41 are symmetrically and fixedly arranged at the lower end of the movable support table 4 and are inserted into the movable limit holes 22. A support boss 42 is fixedly arranged at the upper end of the movable support table 4, a connecting movable rod 43 is fixedly arranged on the support boss 42, the connecting movable rod 43 is inserted into the connecting channel 33, and movable cooperation holes 44 are symmetrically arranged on the support boss 42 at the two sides of the connecting movable rod 43. An installation insertion hole 45 is further arranged on the support boss 42 and penetrates through the movable support table 4.

[0036] A driving cooperation plate 5 is installed on the support boss 42. An installation insertion rod 51 is fixedly arranged at the lower end of the driving cooperation plate 5 and is inserted into the installation insertion hole 45. Connection cooperation rods 52 are symmetrically hinged at the two ends of the driving cooperation plate 5. A first auxiliary bearing table 6 is hinged at the lower end of the connection cooperation rod 52 at one end. A second auxiliary bearing table 7 is hinged at the lower end of the connection cooperation rod 52 at the other end.

[0037] Limit guide rods 61 are symmetrically and fixedly arranged on the first auxiliary bearing table 6 and are inserted into the movable cooperation holes 44. A bearing convex plate 62 is fixedly arranged on the first auxiliary bearing table 6. A movable through hole 63 is arranged on the bearing convex plate 62. A support movable rod 64 is inserted into the movable through hole 63. A first auxiliary support plate 65 is fixedly arranged at the upper end of the support movable rod 64. Limit contact plates 66 are symmetrically and fixedly arranged at the lower end of the first auxiliary support plate 65. A cooperation bottom block 67 is fixedly arranged at the lower end of the support movable rod 64. A first reset spring 68 is sleeved on the support movable rod 64 and is located at the lower side of the bearing convex plate 62. The two ends of the first reset spring 68 are fixedly arranged on the cooperation bottom block 67 and the bearing convex plate 62 respectively.

[0038] A movable sliding hole 71 is arranged on the second auxiliary bearing table 7 and the connecting movable rod 43 is inserted into the movable sliding hole 71. Lateral bearing plates 72 are symmetrically and fixedly arranged at the two sides of the second auxiliary bearing table 7. Activity through holes 73 are arranged on the lateral bearing plates 72.

[0039] A second auxiliary support plate 74 is installed on the second auxiliary bearing table 7. A limit contact block 741 is fixedly arranged at the lower end of the second auxiliary support plate 74. Activity bearing rods 75 are symmetrically and fixedly arranged on the second auxiliary support plate 74 and are inserted into the activity through holes 73. A support bottom block 76 is fixedly arranged at the lower end of the activity bearing rods 75. A second reset spring 77 is sleeved on the activity bearing rods 75 and is located at the lower side of the lateral bearing plate 72. The two ends of the second reset spring 77 are fixedly arranged on the lateral bearing plate 72 and the support bottom block 76 respectively.

[0040] The lower end of the driving connecting rod 29 is hingedly connected with a connecting plate frame 8, and a matching carrier 81 is fixedly arranged on the connecting plate frame 8, and the upper end of the matching carrier 81 is fixedly arranged with a movable plug plate 82 which is inserted into the negative pressure inner cavity 19.

[0041] When the lifting machine 1 is working, the hydraulic rod 15 is elongated to drive the movable carrier 2 to move to the outside of the groove 14, and with the movement of the movable carrier 2, the driving connecting plate 3 will be pushed upward under the action of the movable support hinge rod 251, and with the upward movement of the driving connecting plate 3, the movable support plate 4 will also be moved upward, and the upward movement of the movable support plate 4 will make the driving matching plate 5 contact the main lifting arm 11, so that with the upward movement of the movable support plate 4 under the limitation of the main lifting arm 11, the driving matching plate 5 cannot move, and the distance between the driving matching plate 5 and the movable support plate 4 becomes smaller, so that under the action of the connecting matching rod 52, the first auxiliary carrier 6 and the second auxiliary carrier 7 will be moved away from the movable support plate 4, and with the upward movement of the movable support plate 4, the first auxiliary support plate 65 and the second auxiliary support plate 74 will also contact the main lifting arm 11, until the limiting contact plate 66 contacts the carrier convex plate 62, and the limiting contact block 741 contacts the second auxiliary carrier 7, at this time, the distance between the first auxiliary support plate 65 and the second auxiliary support plate 74 is the largest, which can well support the main lifting arm 11 and ensure the stability during the working process, in addition, the movable carrier 2 will also move the connecting vertical frame 27 to the direction of the lifting machine 1, and then under the action of the driving connecting rod 29, the connecting plate frame 8 will be pushed downward, and with the downward movement of the connecting plate frame 8, the movable plug plate 82 will be moved downward, so that the distance between the movable plug plate 82 and the closed piston plate 112 becomes larger, and then a negative pressure can be generated in the negative pressure inner cavity 19, so that under the action of the negative pressure, a downward suction force is generated on the main lifting arm 11, and under the action of the suction force, the balance of the main lifting arm 11 during the lifting process can be ensured, and the safe working of the main lifting arm 11 can be ensured, and the counterweight operation is needed.

[0042] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cargo hoisting and load handling apparatus for a ship comprising a hoisting platform (1), characterized in that: The lifting machine platform (1) is provided with a main lifting arm (11), one end of the main lifting arm (11) is fixedly provided with a downward bearing rod (111), the lower end of the downward bearing rod (111) is fixedly provided with a closed piston plate (112), the lifting machine platform (1) on the lower side of the main lifting arm (11) is fixedly provided with a supporting matching rod (12), the supporting matching rod (12) is fixedly provided with an upper top bearing plate (13), the upper top bearing plate (13) is in contact with the main lifting arm (11), and the lifting machine platform (1) on the lower side of the main lifting arm (11) is also provided with an inner recess (14), the inner recess (14) is fixedly provided with a hydraulic rod (15), the inner walls of the inner recess (14) on the two sides of the hydraulic rod (15) are symmetrically provided with matching guide holes (16), the lifting machine platform (1) on the lower side of the closed piston plate (112) is fixedly provided with a bearing matching plate (17), the bearing matching plate (17) is fixedly provided with a sealing column (18), the sealing column (18) is provided with a negative pressure inner cavity (19), the negative pressure inner cavity (19) penetrates the bearing matching plate (17), and the closed piston plate (112) is inserted into the negative pressure inner cavity (19), the lifting machine platform (1) is provided with a receiving type auxiliary supporting mechanism, the receiving type auxiliary supporting mechanism comprises a bearing movable table (2), a driving connecting plate (3), a movable supporting table (4), a driving matching plate (5), a first auxiliary bearing table (6), a second auxiliary bearing table (7) and a connecting plate frame (8), the bearing movable table (2) is installed in the inner recess (14), the bearing movable table (2) is fixedly connected with the hydraulic rod (15), and the upper ends of the bearing movable table (2) are symmetrically fixedly provided with supporting table arms (21), the supporting table arms (21) are provided with movable limiting holes (22), the movable limiting holes (22) penetrate the bearing movable table (2), the lower ends of the bearing movable table (2) are symmetrically fixedly provided with matching guide rods (23), the matching guide rods (23) are inserted into the matching guide holes (16), and the upper end of the bearing movable table (2) is also fixedly provided with a matching connecting strip (24), the matching connecting strip (24) is fixedly provided with a first supporting connecting frame (25), the first supporting connecting frame (25) is hingedly connected with a movable supporting hinge rod (251), and the end, away from the bearing movable table (2), of the matching connecting strip (24) is fixedly provided with a connecting driving frame (26), the connecting driving frame (26) is fixedly provided with a connecting vertical frame (27), the connecting vertical frame (27) is fixedly provided with a mounting connecting frame (28), the mounting connecting frame (28) is hingedly connected with a driving connecting rod (29), the upper end of the movable supporting hinge rod (251) is hingedly connected with the driving connecting plate (3), the two sides of the driving connecting plate (3) are symmetrically provided with matching movable holes (31), the matching movable holes (31) are inserted with the supporting matching rod (12), the upper end of the driving connecting plate (3) is fixedly provided with a connecting convex strip (32),The connecting convex strip (32) is provided with a connecting channel (33), and the lower end of the driving connecting plate (3) is fixedly provided with a second supporting connecting frame (34) which is hingedly connected with the upper end of the movable supporting hinge rod (251). The movable supporting table (4) is installed on the bearing movable table (2), and the lower end of the movable supporting table (4) is fixedly provided with a limiting movable rod (41) on both sides in a symmetrical manner. The limiting movable rod (41) is inserted into the movable limiting hole (22). The upper end of the movable supporting table (4) is fixedly provided with a supporting convex table (42), and the supporting convex table (42) is fixedly provided with a connecting movable rod (43). The connecting movable rod (43) is inserted into the connecting channel (33), and the supporting convex table (42) on both sides of the connecting movable rod (43) is symmetrically provided with a moving cooperation hole (44). The supporting convex table (42) is also provided with an installation insertion hole (45) which penetrates through the movable supporting table (4). The supporting convex table (42) is installed with a driving cooperation plate (5), and the lower end of the driving cooperation plate (5) is fixedly provided with an installation insertion rod (51) which is inserted into the installation insertion hole (45). The two ends of the driving cooperation plate (5) are hingedly provided with a connecting cooperation rod (52). The lower end of the connecting cooperation rod (52) on one end is hingedly provided with a first auxiliary bearing table (6), and the lower end of the connecting cooperation rod (52) on the other end is hingedly provided with a second auxiliary bearing table (7). The first auxiliary bearing table (6) is fixedly provided with a moving guide rod (61) on both sides in a symmetrical manner. The moving guide rod (61) is inserted into the moving cooperation hole (44), and the first auxiliary bearing table (6) is fixedly provided with a bearing convex plate (62). The bearing convex plate (62) is provided with a moving through hole (63), and the moving through hole (63) is inserted with a supporting movable rod (64). The upper end of the supporting movable rod (64) is fixedly provided with a first auxiliary supporting plate (65), and the lower end of the first auxiliary supporting plate (65) is fixedly provided with a limiting contact plate (66). The lower end of the supporting movable rod (64) is fixedly provided with a cooperation bottom block (67), and the supporting movable rod (64) is sleeved with a first reset spring (68). The second auxiliary bearing table (7) is provided with a moving sliding hole (71), and the moving sliding hole (71) is inserted with the connecting movable rod (43). The two sides of the second auxiliary bearing table (7) are fixedly provided with a lateral bearing plate (72) in a symmetrical manner. The lateral bearing plate (72) is provided with a movable through hole (73). The lower end of the driving connecting rod (29) is hingedly provided with a connecting plate frame (8), and the connecting plate frame (8) is fixedly provided with a cooperation bearing rod (81). The upper end of the cooperation bearing rod (81) is fixedly provided with a movable plug plate (82) which is inserted into the negative pressure inner cavity (19).

2. A cargo hoisting and handling apparatus for a marine vessel as claimed in claim 1 wherein: The second auxiliary supporting plate (74) is fixedly provided with a limiting contact block (741) at the lower end, and the second auxiliary supporting plate (74) is also fixedly provided with a movable bearing rod (75) symmetrically, the movable bearing rod (75) is inserted into the movable through hole (73), and the lower end of the movable bearing rod (75) is fixedly provided with a supporting bottom block (76), and the movable bearing rod (75) is sleeved with a second reset spring (77).

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