A multi-pin balanced ballast device suitable for offshore multi-float bridge connection

Abstract

A kind of multi-pin balanced load adjusting device suitable for offshore multiple floating bridge connection, the multi-pin balanced load adjusting device suitable for offshore multiple floating bridge connection includes multiple one pin group, multiple two pin groups, multiple three pin groups, multiple four pin groups, multiple one floating bridge, multiple two floating bridges and multiple floating bridge terminal boxes;Adjacent the one floating bridge and two floating bridges are connected, and the one floating bridge and two floating bridges are sequentially connected and fixed by one pin group, two pin groups, three pin groups and four pin groups;The structure of one pin group, two pin groups, three pin groups and four pin groups is identical, and one pin group, two pin groups, three pin groups and four pin groups are respectively connected by line with one corresponding floating bridge terminal box;The one pin group includes electric pin cylinder, connecting rod and pin, and the electric pin cylinder is installed on one floating bridge.The design makes that offshore multiple floating bridge connection pin shaft is subjected to repeated alternating stress for a long time and will not cause pin shaft fracture.

Description

TECHNICAL FIELD

[0001] The present application relates to an improvement of a multi-float bridge connection technology, belonging to the field of offshore platforms, in particular to a multi-pin balanced load adjusting device suitable for offshore multi-float bridge connection. BACKGROUND

[0002] With the continuous development of marine technology, there are more and more offshore floating bridge equipment. Multiple floating bridge equipment connected together can form a whole working channel, which can provide personnel or vehicle to quickly pass from one point on the sea to another point. Usually, the connection between the floating bridge equipment and the floating bridge equipment is hinged, and the connection equipment is generally connected by a pin shaft, which is convenient for quick connection and disassembly.

[0003] The floating bridge floats on the sea surface, and multiple floating bridges are connected together through the pin shaft. Due to the waves on the sea, the floating bridge will float up and down, the load of personnel, vehicles and other equipment will change, and the two ends of the floating bridge are positioned by steel wire ropes, so that the connected multiple pin shafts are subjected to repeated shear force and the stress of each pin shaft is uneven. The repeated alternating stress of the pin shaft for a long time will cause the pin shaft to break, thereby causing a safety accident.

[0004] The Chinese patent application with application number CN201910721135.X and application date August 6, 2019 discloses a kind of offshore steel floating bridge unit, including the floating bridge of unit and the construction method of floating bridge, it relates to steel floating bridge manufacturing, installation process technical field, including deck, the lower end of the deck is fixed with the steel floating body parallel with the extension direction of deck, the steel floating body is including two same length and parallelly arranged threaded steel pipes, two threaded steel pipes are respectively closed with sealing plate at both ends. The present application has the advantages of simple structure, practicality, stability and good performance. It can be connected according to the required use distance, and it is quick and convenient to set up and remove. It has low cost, strong corrosion resistance, good impact resistance, simple maintenance, and is suitable for being placed in water area all year round. However, the prior art still does not solve the problem that the repeated alternating stress of the pin shaft of the offshore multi-float bridge connection for a long time will cause the pin shaft to break, thereby causing a safety accident.

[0005] The information disclosed in this BACKGROUND section is only intended to increase an understanding of the general background of the present patent application and should not be taken as an acknowledgment or any form of suggestion that this information forms prior art that is already known to those of ordinary skill in the art. SUMMARY

[0006] The purpose of the present application is to overcome the problem in the prior art that the repeated alternating stress of the pin shaft of the offshore multi-float bridge connection for a long time will cause the pin shaft to break, thereby causing a safety accident. The present application provides a multi-pin balanced load adjusting device suitable for offshore multi-float bridge connection, which can prevent the pin shaft from breaking due to the repeated alternating stress for a long time.

[0007] To achieve the above object, the technical solution of the present application is: a multi-pin balanced load adjusting device suitable for connecting multiple floating bridges at sea, comprising a plurality of one-pin groups, a plurality of two-pin groups, a plurality of three-pin groups, a plurality of four-pin groups, a plurality of one floating bridges, a plurality of two floating bridges, and a plurality of floating bridge junction boxes;

[0008] The adjacent one floating bridge and two floating bridge are connected, and the one floating bridge and two floating bridge are sequentially connected and fixed through the one-pin group, the two-pin group, the three-pin group, and the four-pin group;

[0009] The one-pin group, the two-pin group, the three-pin group, and the four-pin group are the same in structure, and each of the one-pin group, the two-pin group, the three-pin group, and the four-pin group is connected with a corresponding floating bridge junction box through a line;

[0010] The one-pin group comprises an electric pin cylinder, a connecting rod, and a pin, the electric pin cylinder is installed on a floating bridge, the piston rod of the electric pin cylinder is connected with one end of the connecting rod, the other end of the connecting rod is connected with one end of the pin, and the other end of the pin sequentially penetrates the one floating bridge and the two floating bridge to connect the one floating bridge and the two floating bridge;

[0011] The one floating bridge and the two floating bridge are provided with a manual distance adjusting rod on both sides of the pin.

[0012] The one floating bridge comprises a support, a side plate, a connecting plate, and a butt plate, one side plate is installed on the top and bottom of the support, a connecting plate and a butt plate are sequentially installed on the right side between the two side plates, and a reinforcing plate is arranged between the side plates;

[0013] One end of the manual distance adjusting rod sequentially penetrates the connecting plate and the butt plate and is connected with the two floating bridges.

[0014] The left side of the support is provided with a sealing plate through bolts, the sealing plate is arranged at the connection between the electric pin cylinder and the support, and the other end of the connecting rod sequentially penetrates the sealing plate and the support and is connected with the pin.

[0015] One end of the pin is provided with a connecting seat, and the connecting rod and the connecting seat are connected through a rotating shaft.

[0016] One end of the pin is provided with a mounting plate outside the connecting seat, and the mounting plate is fixed with the pin through a plurality of groups of fixing screws.

[0017] The size of the pin in the one-pin group, the pin in the two-pin group, the pin in the three-pin group, and the pin in the four-pin group decreases in turn.

[0018] The pin comprises a front end and a rear end, the front end and the rear end are connected, the front end is trapezoidal, the rear end is cylindrical, and the diameter of the front end decreases along the direction of the rear end.

[0019] The docking interface of the first floating bridge and the second floating bridge is a sawtooth stepped type, and the second floating bridge comprises two second side plates, two connecting plates and two docking plates.

[0020] The positions of the two connecting plates, the two docking plates, the one connecting plate and the one docking plate correspond to each other.

[0021] A second bolt seat is arranged on the two connecting plates and the two docking plates, a bolt seat is arranged on the one connecting plate and the one docking plate, and the other end of the bolt sequentially penetrates the bolt seat and the second bolt seat to connect and fix the first floating bridge and the second floating bridge.

[0022] One end of the manual distance adjusting rod sequentially penetrates the one connecting plate, the one docking plate and is connected with the two docking plates.

[0023] The manual distance adjusting rod comprises a stepped sleeve, a push rod, a distance adjusting rod and a base, the stepped sleeve is arranged on the one connecting plate and the one docking plate, the distance adjusting rod is arranged in the stepped sleeve, one end of the distance adjusting rod extending to the left side of the stepped sleeve is connected with the push rod, the other end of the distance adjusting rod extending to the right side of the stepped sleeve is connected with the base, and the base is connected with the two docking plates.

[0024] The stepped sleeve comprises a first rod and a second rod, the second rod is arranged in the first rod and gap-fitted with the first rod, the first rod is connected with the push rod, and the second rod is connected with the base.

[0025] Compared with the prior art, the beneficial effects of the present application are:

[0026] 1. In the multi-bolt balanced load adjusting device suitable for offshore multi-floating bridge connection, adjacent first floating bridges and second floating bridges are connected, and the first floating bridge and the second floating bridge are sequentially connected and fixed by a first bolt group, a second bolt group, a third bolt group and a fourth bolt group; the first bolt group, the second bolt group, the third bolt group and the fourth bolt group have the same structure, the first bolt group, the second bolt group, the third bolt group and the fourth bolt group are respectively connected with a one-to-one floating bridge junction box through a line, the first floating bridge and the second floating bridge are connected with the first bolt group, the second bolt group, the third bolt group and the fourth bolt group, the bolt position signal, the force measuring device model, the electric bolt cylinder action and the control system, the stroke is a closed loop control, the floating bridge junction box and the middle section of the background are connected for control, the stress conditions of the four bolt groups can be detected, the bolt position is continuously adjusted, so that the four bolts are balanced, and the offshore multi-floating bridge connecting pin shaft is not broken under the action of repeated alternating stress for a long time. Therefore, the design is safe to use and convenient to control.

[0027] 2. The application is a multi-pin balanced load adjusting device suitable for connecting multiple floating bridges at sea, the pin comprises a front end and a rear end, the front end is connected with the rear end, the front end is trapezoidal, the rear end is cylindrical, the diameter of the front end decreases along the direction of the rear end, the front end is matched with two pin seats on two floating bridges, the pin seat inner hole of the two pin seats is cylindrical, the rear end is matched with a pin seat on a floating bridge, the pin seat inner hole of the pin seat is conical, which is convenient for load adjustment of the pin, and the stress on the pin seat is adjusted to achieve balanced effect through accurate control of the position of the pin. Therefore, the design is stable in connection and balanced in stress.

[0028] 3. The application is a multi-pin balanced load adjusting device suitable for connecting multiple floating bridges at sea, the manual distance adjusting rod comprises a stepped sleeve, a push rod, a distance adjusting rod and a base, the stepped sleeve is installed on a connecting plate and a butt joint plate, the distance adjusting rod is arranged in the stepped sleeve, one end of the distance adjusting rod extending to the left side of the stepped sleeve is connected with the push rod, the other end of the distance adjusting rod extending to the right side of the stepped sleeve is connected with the base, the base is connected with two butt joint plates, a plurality of sets of manual distance adjusting rod assemblies are arranged around the pin seat at each set of pin, and the manual distance adjusting rod can accurately control the gap in the direction of the pin when the two floating bridges are matched, so as to ensure that the load adjusting stroke L is constant, and the pin load is adjusted. Therefore, the design is convenient to adjust and the load adjusting stroke is constant. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 It is a structural schematic diagram of the application.

[0030] Fig. 2 It is a structural schematic diagram of a pin group in the application.

[0031] Fig. 3 It is a connection schematic diagram of a floating bridge and two floating bridges in the application.

[0032] Fig. 4 It is a structural schematic diagram of a pin in the application.

[0033] In the figure: a pin group 1, an electric pin cylinder 11, a connecting rod 12, a connecting seat 13, a pin 14, a front end 141, a rear end 142, a fixing screw 143, an installation plate 144, a manual distance adjusting rod 15, a stepped sleeve 151, a push rod 152, a distance adjusting rod 153, a base 154, a rotating shaft 16, a sealing plate 17, a bolt 18, two pin groups 2, three pin groups 3, four pin groups 4, a floating bridge 5, a support 51, a side plate 52, a reinforcing plate 53, a connecting plate 54, a butt joint plate 55, a pin seat 56, a floating bridge 6, a side plate 61, a butt joint plate 62, a connecting plate 63, a pin seat 64, a floating bridge junction box 7. DETAILED DESCRIPTION

[0034] The application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] Referring to Figs. 1 to 4 A multi-pin balanced load adjusting device suitable for connecting multiple floating bridges at sea, the multi-pin balanced load adjusting device suitable for connecting multiple floating bridges at sea comprises a plurality of one-pin groups 1, a plurality of two-pin groups 2, a plurality of three-pin groups 3, a plurality of four-pin groups 4, a plurality of one floating bridges 5, a plurality of two floating bridges 6 and a plurality of floating bridge junction boxes 7;

[0036] The adjacent one floating bridge 5 and two floating bridge 6 are connected, and the one floating bridge 5 and two floating bridge 6 are sequentially connected and fixed through the one-pin group 1, the two-pin group 2, the three-pin group 3 and the four-pin group 4;

[0037] The one-pin group 1, the two-pin group 2, the three-pin group 3 and the four-pin group 4 are the same structure, and the one-pin group 1, the two-pin group 2, the three-pin group 3 and the four-pin group 4 are respectively connected with one corresponding floating bridge junction box 7 through a line;

[0038] The one-pin group 1 comprises an electric pin cylinder 11, a connecting rod 12 and a pin 14, the electric pin cylinder 11 is installed on the one floating bridge 5, the piston rod of the electric pin cylinder 11 is connected with one end of the connecting rod 12, the other end of the connecting rod 12 is connected with one end of the pin 14, and the other end of the pin 14 sequentially penetrates the one floating bridge 5 and the two floating bridge 6 to connect the one floating bridge 5 and the two floating bridge 6;

[0039] The one floating bridge 5 and the two floating bridge 6 between the upper and lower sides of the pin 14 are provided with a manual distance adjusting rod 15.

[0040] The one floating bridge 5 comprises a support 51, a side plate 52, a connecting plate 54 and a docking plate 55, the top and bottom of the support 51 are respectively installed with a side plate 52, a connecting plate 54 and a docking plate 55 are sequentially installed on the right side between the two side plates 52, and a reinforcing plate 53 is arranged between the side plate 52 and the side plate 52;

[0041] One end of the manual distance adjusting rod 15 sequentially penetrates the connecting plate 54, the docking plate 55 and is connected with the two floating bridge 6.

[0042] The left side of the support 51 is installed with a sealing plate 17 through a bolt 18, the sealing plate 17 is arranged at the connection between the electric pin cylinder 11 and the support 51, and the other end of the connecting rod 12 sequentially penetrates the sealing plate 17 and the support 51 and is connected with the pin 14.

[0043] One end of the pin 14 is installed with a connecting seat 13, and the connecting rod 12 and the connecting seat 13 are connected through a rotating shaft 16.

[0044] One end of the bolt 14 is provided with a mounting plate 144 outside the connecting seat 13, and the mounting plate 144 is fixed with the bolt 14 through a plurality of fixing screws 143.

[0045] The size of the bolt 14 in the first bolt group 1, the bolt 14 in the second bolt group 2, the bolt 14 in the third bolt group 3 and the bolt 14 in the fourth bolt group 4 decreases in turn.

[0046] The bolt 14 includes a front end 141 and a rear end 142, the front end 141 and the rear end 142 are connected, the front end 141 is trapezoidal, the rear end 142 is cylindrical, and the diameter of the front end 141 decreases along the direction of the rear end 142.

[0047] The butt joint interface of the first floating bridge 5 and the second floating bridge 6 is provided in a sawtooth stepped type, the second floating bridge 6 includes two second side plates 61, two connecting plates 63 and two butt joint plates 62, the left side between the two second side plates 61 is sequentially provided with the two connecting plates 63 and the two butt joint plates 62.

[0048] The positions of the two connecting plates 63, the two butt joint plates 62, the first connecting plate 54 and the first butt joint plate 55 correspond to each other.

[0049] The two connecting plates 63 and the two butt joint plates 62 are sleeved with two bolt seats 64, the first connecting plate 54 and the first butt joint plate 55 are sleeved with a bolt seat 56, and the other end of the bolt 14 sequentially penetrates the first bolt seat 56 and the second bolt seat 64 to connect and fix the first floating bridge 5 and the second floating bridge 6.

[0050] One end of the manual distance adjusting rod 15 sequentially penetrates the first connecting plate 54 and the first butt joint plate 55 and is connected with the second butt joint plate 62.

[0051] The manual distance adjusting rod 15 includes a stepped sleeve 151, a push rod 152, a distance adjusting rod 153 and a base 154, the stepped sleeve 151 is installed on the first connecting plate 54 and the first butt joint plate 55, the distance adjusting rod 153 is arranged in the stepped sleeve 151, one end of the distance adjusting rod 153 extending to the left side of the stepped sleeve 151 is connected with the push rod 152, the other end of the distance adjusting rod 153 extending to the right side of the stepped sleeve 151 is connected with the base 154, and the base 154 is connected with the second butt joint plate 62.

[0052] The stepped sleeve 151 includes a first rod and a second rod, the second rod is sleeved in the first rod and gap fits with the first rod, the first rod is connected with the push rod 152, and the second rod is connected with the base 154.

[0053] The principle of the present application is as follows: first, a floating bridge 5 is combined with two floating bridges 6, then the electric bolt cylinder 11 on the bolt group 1 is installed on the support 51 of the floating bridge 5 through the sealing plate 17 and the bolt 18, the floating bridge junction box 7 is connected with the bolt group 1, according to the required distance, the stepped sleeve 151 is pulled to drive the push rod 152 to elongate or shorten, thereby driving the two floating bridges 6 connected with the base 154 to move, thereby adjusting the distance between the floating bridge 5 and the two floating bridges 6, after the adjustment is completed, the electric bolt cylinder 11 is started, the electric bolt cylinder 11 drives the connected bolt 14 on the connecting rod 12 to be inserted into the bolt seat 56 and the two bolt seats 64, the rotating shaft 16 can fine-tune the insertion angle of the bolt 14 according to the actual situation, the subsequent two bolt groups 2, three bolt groups 3 and four bolt groups 4 are installed one by one according to the above process, thereby completing the connection of the floating bridge 5 and the two floating bridges 6.

[0054] After installation is completed, the floating bridge junction box 7 can detect the stress of the bolt 14 in each group of the bolt group 1, the two bolt groups 2, the three bolt groups 3 and the four bolt groups 4, according to the different stress, the electric bolt cylinder 11 is started to adjust the insertion angle and position of the bolt 14 in each group, and the manual distance adjusting rod 15 assists the position adjustment of the bolt 14, thereby balancing the stress of the bolt 14 in each group.

[0055] Example 1:

[0056] A kind of multi-pin balanced load adjusting device suitable for offshore multiple floating bridge connection, the multi-pin balanced load adjusting device suitable for offshore multiple floating bridge connection includes multiple one pin group 1, multiple two pin groups 2, multiple three pin groups 3, multiple four pin groups 4, multiple one floating bridge 5, multiple two floating bridges 6 and multiple floating bridge terminal boxes 7;Adjacent one floating bridge 5 and two floating bridges 6 are connected, and one floating bridge 5 and two floating bridges 6 are sequentially connected and fixed by one pin group 1, two pin groups 2, three pin groups 3 and four pin groups 4;One pin group 1, two pin groups 2, three pin groups 3 and four pin groups 4 are the same structure, and one pin group 1, two pin groups 2, three pin groups 3 and four pin groups 4 are connected by line with one corresponding floating bridge terminal box 7 respectively, force measuring equipment is arranged in floating bridge terminal box 7, and each force measuring equipment collects data into respective floating bridge terminal box 7 by cable, and the stress condition of pin 14 is detected by force measuring equipment;One pin group 1 includes electric pin cylinder 11, connecting rod 12 and pin 14, electric pin cylinder 11 is installed on one floating bridge 5, the piston rod of electric pin cylinder 11 is connected with one end of connecting rod 12, the other end of connecting rod 12 is connected with one end of pin 14, electric pin cylinder 11 is provided with displacement sensor, can monitor piston rod extension and contraction amount control in real time, the displacement control precision of electric pin cylinder 11 is 0.5mm, which is convenient for subsequent real-time adjustment of pin 14 position, the use length of electric pin cylinder 11 is S1, the stroke of electric pin cylinder 11 is S1+10mm, the other end of pin 14 sequentially penetrates one floating bridge 5, two floating bridges 6 to connect one floating bridge 5 and two floating bridges 6;Manual distance adjusting rod 15 is arranged on the upper and lower sides of pin 14 between one floating bridge 5 and two floating bridges 6.

[0057] Application: first, one floating bridge 5 and two floating bridges 6 are combined, then electric pin cylinder 11 on one pin group 1 is installed on one floating bridge 5 through sealing plate 17 and bolt 18, floating bridge terminal box 7 is connected with one pin group 1, according to the distance requirement of use, manual distance adjusting rod 15 is pulled to lengthen or shorten, so as to drive two floating bridges 6 connected with manual distance adjusting rod 15 to move, so as to adjust the distance between one floating bridge 5 and two floating bridges 6, after adjustment, electric pin cylinder 11 is started, electric pin cylinder 11 drives pin 14 connected with connecting rod 12 to be inserted on one floating bridge 5 and two floating bridges 6, electric pin cylinder 11 drives rotating shaft 16 to rotate, the insertion angle of pin 14 can be fine-tuned according to actual situation, subsequent two pin groups 2, three pin groups 3 and four pin groups 4 are installed according to the above process one by one, so as to complete the connection of one floating bridge 5 and two floating bridges 6.

[0058] After installation, the floating bridge terminal box 7 can detect the force of the pins 14 in each group of one pin group 1, two pin groups 2, three pin groups 3, and four pin groups 4. According to the different forces, the electric pin cylinder 11 is started to adjust the insertion angle and position of the pins 14 in each group. At the same time, the manual distance adjusting rod 15 assists the position adjustment of the pins 14, so that the force of the pins 14 in each group is balanced.

[0059] Embodiment 2:

[0060] Embodiment 2 is basically the same as embodiment 1, except that:

[0061] A multi-pin balanced load adjusting device suitable for offshore multi-floating bridge connection, the left side of the support 51 is installed with a sealing plate 17 through a bolt 18, the sealing plate 17 is arranged at the connection between the electric pin cylinder 11 and the support 51, the other end of the connecting rod 12 is connected with the pin 14 after sequentially penetrating the sealing plate 17 and the support 51, which avoids the water inlet of the electric pin cylinder 11 during use, improves the safety of equipment use, and prolongs the service life; one end of the pin 14 is installed with a connecting seat 13, and the connecting rod 12 and the connecting seat 13 are connected through a rotating shaft 16, which can conveniently adjust the installation angle of the pin 14 according to the actual installation angle and the angle deviation caused by the fluctuation of the water surface.

[0062] Embodiment 3:

[0063] Embodiment 3 is basically the same as embodiment 1, except that:

[0064] A multi-pin balanced load adjusting device suitable for offshore multi-floating bridge connection, one end of the pin 14 located outside the connecting seat 13 is provided with a mounting plate 144, and the mounting plate 144 is fixed with the pin 14 through a plurality of fixing screws 143; the size of the pins 14 in the one pin group 1, the two pin groups 2, the three pin groups 3, and the four pin groups 4 decreases in turn; the pin 14 includes a front end 141 and a rear end 142, the front end 141 and the rear end 142 are connected, the front end 141 is trapezoidal, and the rear end 142 is cylindrical, the diameter of the front end 141 decreases along the direction of the rear end 142, the front end 141 cooperates with the two pin seats 64 on the two floating bridges 6, the pin seat inner hole of the two pin seats 64 is cylindrical, the rear end 142 cooperates with the one pin seat 56 on the one floating bridge 5, the pin seat inner hole of the one pin seat 56 is conical, which is convenient for load adjustment of the pin 14, the one floating bridge 5 is connected with the two floating bridges 6, after the pin 14 is completely inserted, the distance between the rear end 142 on the one pin group 1 and the front end 141 on the two pin groups 1 is S, and the inner opening size between the one floating bridge 5 and the two floating bridges 6 is L, wherein S≥L+10, which ensures that the pin 14 on the one pin group 1 is in complete contact with the one pin group 1 after being retracted by a distance L.

[0065] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments, but any equivalent modifications or changes made by those skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. A multi-pin equalizing ballast device suitable for offshore multiple pontoon connection, characterized by The application discloses a multi-pin balanced load device suitable for connecting multiple floating bridges at sea. The one floating bridge (5) and the two floating bridges (6) are connected through the one-pin group (1), the two-pin group (2), the three-pin group (3) and the four-pin group (4) in sequence. The one-pin group (1), the two-pin group (2), the three-pin group (3) and the four-pin group (4) are connected with the floating bridge junction box (7) through lines in one-to-one correspondence. The one-pin group (1) comprises an electric pin cylinder (11), a connecting rod (12) and a pin (14), the electric pin cylinder (11) is installed on the one floating bridge (5), the piston rod of the electric pin cylinder (11) is connected with one end of the connecting rod (12), the other end of the connecting rod (12) is connected with one end of the pin (14), and the other end of the pin (14) penetrates the one floating bridge (5) and the two floating bridges (6) in sequence to connect the one floating bridge (5) and the two floating bridges (6). The one floating bridge (5) and the two floating bridges (6) are connected through the one-pin group (1), the two-pin group (2), the three-pin group (3) and the four-pin group (4) in sequence.

2. A multi-pin equalizing loading device suitable for connecting multiple floating bridges at sea according to claim 1, characterized in that: The one floating bridge (5) comprises a support (51), a side plate (52), a connecting plate (54) and a butt plate (55), the top and bottom of the support (51) are both installed with the side plate (52), the right side between the two side plates (52) is sequentially installed with the connecting plate (54) and the butt plate (55), and the side plate (52) and the side plate (52) are provided with a reinforcing plate (53). The one end of the manual distance adjusting rod (15) penetrates the connecting plate (54) and the butt plate (55) in sequence and is connected with the two floating bridges (6).

3. A multi-pin equalizing loading device suitable for connecting multiple floating bridges at sea according to claim 2, characterized in that: The left side of the support (51) is installed with a sealing plate (17) through bolts (18), the sealing plate (17) is arranged at the connection position of the electric pin cylinder (11) and the support (51), and the other end of the connecting rod (12) penetrates the sealing plate (17) and the support (51) in sequence and is connected with the pin (14).

4. A multi-pin equalizing loading device suitable for connecting multiple floating bridges at sea according to claim 3, characterized in that: The one end of the pin (14) is installed with a connecting seat (13), and the connecting rod (12) and the connecting seat (13) are connected through a rotating shaft (16).

5. A multi-pin equalizing loading device suitable for connecting multiple floating bridges at sea according to claim 4, characterized in that: The one end of the pin (14) is arranged with a mounting plate (144) outside the connecting seat (13), and the mounting plate (144) is fixed with the pin (14) through a plurality of groups of fixing screws (143).

6. A multi-pin equalizing loading device suitable for offshore multiple pontoon connection according to any one of claims 1 to 5, characterized in that: The sizes of the pins (14) in the one-pin group (1), the two-pin group (2), the three-pin group (3) and the four-pin group (4) are sequentially reduced. The pin (14) comprises a front end (141) and a rear end (142), the front end (141) and the rear end (142) are connected, the front end (141) is in a circular truncated cone shape, and the rear end (142) is in a circular column shape.

7. A multi-pin equalizing loading device suitable for connecting multiple floating bridges at sea according to claim 2, characterized in that: The butt joint interface of the first floating bridge (5) and the second floating bridge (6) is sawtooth stepped type, the second floating bridge (6) comprises two second side plates (61), two connecting plates (63) and two butt joint plates (62), the left side between the two second side plates (61) is sequentially provided with the two connecting plates (63) and the two butt joint plates (62); The positions of the two connecting plates (63), the two butt joint plates (62), the first connecting plate (54) and the first butt joint plate (55) correspond to each other.

8. A multi-pin equalizing loading device suitable for connecting multiple floating bridges at sea according to claim 7, characterized in that: The two connecting plates (63) and the two butt joint plates (62) are sleeved with two bolt seats (64), the first connecting plate (54) and the first butt joint plate (55) are sleeved with a bolt seat (56), and the other end of the bolt (14) sequentially penetrates the bolt seat (56) and the two bolt seats (64) to connect and fix the first floating bridge (5) and the second floating bridge (6). One end of the manual distance adjusting rod (15) sequentially penetrates the first connecting plate (54) and the first butt joint plate (55) and is connected with the second butt joint plate (62).

9. A multi-pin equalizing loading device suitable for connecting multiple floating bridges at sea according to claim 8, characterized in that: The manual distance adjusting rod (15) comprises a stepped sleeve (151), a push rod (152), a distance adjusting rod (153) and a base (154), the stepped sleeve (151) is installed on the first connecting plate (54) and the first butt joint plate (55), the distance adjusting rod (153) is arranged in the stepped sleeve (151), one end of the distance adjusting rod (153) extending to the left side of the stepped sleeve (151) is connected with the push rod (152), the other end of the distance adjusting rod (153) extending to the right side of the stepped sleeve (151) is connected with the base (154), and the base (154) is connected with the second butt joint plate (62).

10. A multi-pin equalizing loading device suitable for connecting multiple floating bridges at sea according to claim 9, characterized in that: The stepped sleeve (151) comprises a first rod and a second rod, the second rod is sleeved in the first rod and gap-fitted with the first rod, the first rod is connected with the push rod (152), and the second rod is connected with the base (154).

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