CN115215223A

CN115215223A - Lifting system of shore bridge and shore bridge

Info

Publication number: CN115215223A
Application number: CN202210869754.5A
Authority: CN
Inventors: 赵迎九; 肖强; 邱兆国; 刘江浩; 赵建君; 谢文宗; 曹磊; 黄法瑞; 初柳辰
Original assignee: Huadian Lanke Technology Co Ltd
Current assignee: Huadian Lanke Technology Co Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-10-21

Abstract

The invention relates to a lifting system of a shore bridge and the shore bridge. The shore bridge comprises a door leg structure and a beam structure; the door leg structure comprises two sea side door legs and two land side door legs which are arranged at intervals; the beam structure comprises a sea side beam and a land side beam, and two ends of the sea side beam are suitable for being connected with two sea side door legs at a set height respectively; two ends of the land side cross beam are suitable for being connected with the two land side door legs at a set height respectively; the lifting system comprises a connecting structure, a first lifting structure and an anti-shaking damping device, wherein two ends of the sea side cross beam and two ends of the land side cross beam are connected in a group; the first lifting structures are hydraulic lifters, a group of first lifting structures is arranged at the top of each sea side door leg and the top of each land side door leg, each group of first lifting structures are connected with a corresponding group of connecting structures through first working ropes, and the first lifting structures are suitable for lifting the cross beam structure to a set height; and the anti-shaking damping device is arranged on the cross beam structure and is in sliding fit with the door leg structure.

Description

Lifting system of quay crane and quay crane

Technical Field

The invention relates to the technical field of port loading and unloading equipment, in particular to a lifting system of a shore bridge and the shore bridge.

Background

The shore bridge, also called as a shore container crane, has a long application history in a port container ship unloading wharf, and has the advantages of high automation loading and unloading, stability and high efficiency. With the development of marine transportation, the container transport ship gradually becomes large-scale, and particularly, the appearance of the ultra-Panama ship type causes great pressure on the loading and unloading efficiency of ports.

The shore container crane is gradually developed towards large scale and high efficiency, at present, the running speed, the extension distance and the like of the shore bridge are obviously improved, but the large-scale shore bridge has certain difficulty in assembly. The main structure of the shore bridge comprises a door leg structure, a beam structure and the like, wherein the beam structure comprises a land side beam, a sea side beam, a crossbeam and an upper structure (the upper structure comprises a trapezoid frame, a pull rod, a machine room and the like). The existing lifting system of the beam structure is generally lifted by utilizing the matching of a gear and a rack or by utilizing a chain plate lifting technology, and the lifting mode of the matching of the gear and the rack has the disadvantages of complex structure, complex installation, high processing precision and high cost; the lifting mode of chain plate lifting is suitable for lifting light-weight objects, when the cross beam structure of the quay crane with more than 1000 tons at a lot is lifted, the load is limited, the flexibility is low, and in the lifting and mounting process, the cross beam structure can be subjected to lateral impact force.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defects that the lifting system in the prior art is limited in load, low in flexibility and may be subjected to lateral impact force, so as to provide a lifting system of a shore bridge and a shore bridge, wherein the lifting system has a large load and high flexibility and can buffer the lateral impact force during the lifting process.

In order to solve the above problems, the present invention provides a lifting system for a quay crane, the quay crane comprising a gate leg structure and a cross beam structure; the door leg structure comprises two sea side door legs and two land side door legs which are arranged at intervals; the crossbeam structure comprises a sea side crossbeam and a land side crossbeam, and two ends of the sea side crossbeam are suitable for being respectively connected with the two sea side door legs at a set height; two ends of the land side cross beam are suitable for being connected with the two land side door legs at the set height respectively; the lifting system comprises a connecting structure, a first lifting structure and an anti-shaking damping device, and both ends of the sea side cross beam and both ends of the land side cross beam are connected with a group of connecting structures; the first lifting structures are hydraulic lifters, a group of first lifting structures is arranged at the top of each sea side door leg and the top of each land side door leg, each group of first lifting structures is connected with the corresponding group of connecting structures through a first working rope, and the first lifting structures are suitable for lifting the beam structure to the set height; and the anti-shaking damping device is arranged on the cross beam structure and is in sliding fit with the door leg structure.

The invention provides a lifting system of a shore bridge, which further comprises a supporting leg structure, wherein the supporting leg structure comprises:

one end of each first supporting leg is detachably connected with the top of the sea side door leg, and the other end of each first supporting leg extends upwards and is connected with the corresponding first lifting structure; the top of each sea side door leg is matched with one first supporting leg;

one end of each second supporting leg is detachably connected with the top of the corresponding land side door leg, and the other end of each second supporting leg extends upwards and is connected with the corresponding first lifting structure; the top of each land side door leg is matched with one second leg.

The first leg comprises a first leg body and a first lifting lug, one end of the first leg body is detachably connected with the top of the sea side door leg, the other end of the first leg body extends upwards, the first lifting lug is convexly arranged at the top end of the side wall of the first leg body facing the adjacent second leg, the corresponding first lifting structure is connected with the top of the first lifting lug, and the corresponding first working rope penetrates through a first through hole in the first lifting lug to be connected with the first lifting structure;

the second leg comprises a second leg body and a second lifting lug, one end of the second leg body is detachably connected with the top of the land side door leg, the other end of the second leg body extends upwards, the second lifting lug is convexly arranged at the top end of the side wall of the second leg body, which faces the adjacent first leg, the corresponding first lifting structure is connected with the top of the second lifting lug, and the corresponding first working rope penetrates through a second through hole in the second lifting lug to be connected with the first lifting structure.

The lifting system of the shore bridge further comprises a fixed beam;

the first leg further comprises a third lifting lug, and the third lifting lug is convexly arranged on the first leg body, is positioned below the first lifting lug and is staggered with the first through hole;

the second leg further comprises a fourth lifting lug, and the fourth lifting lug is convexly arranged on the second leg body, is positioned below the second lifting lug and is staggered with the second through hole; and two ends of the fixed beam are respectively connected with the adjacent third lifting lug and the fourth lifting lug.

The first leg further comprises a fifth lifting lug, the fifth lifting lug is convexly arranged on the side wall of the first leg body, which is back to the first lifting lug, and the fifth lifting lug is suitable for being connected with the ground through a first safety rope; the second leg further comprises a sixth lifting lug, the sixth lifting lug is convexly arranged on the side wall, facing away from the second lifting lug, of the second leg body, and the sixth lifting lug is suitable for being connected with the ground through a second safety rope.

The first supporting leg further comprises a seventh lifting lug, and the seventh lifting lug is convexly arranged on the side wall back to the other first supporting leg;

the second supporting leg further comprises an eighth lifting lug, and the eighth lifting lug is convexly arranged on the side wall back to the other second supporting leg;

the lifting system further comprises a second lifting structure, the second lifting structure is connected to the ground, and a group of second lifting structures is correspondingly arranged on two sides of every two sea side door legs and two sides of every two land side door legs; each seventh lifting lug is connected with the corresponding second lifting structure through a second working rope; each eighth lifting lug is connected with the corresponding second lifting structure through a second working rope.

According to the shore bridge lifting system provided by the invention, the first lifting structure is a hydraulic lifter, and/or the second lifting structure is a hydraulic lifter.

The invention provides a lifting system of a shore bridge, wherein the anti-shaking damping device comprises:

a base mounted on the beam structure;

the floating guide assembly comprises a floating support and a guide wheel suitable for moving up and down along a door leg structure, one end of the floating support is rotatably connected with the base, and the guide wheel is arranged at the other end of the floating support;

one end of the elastic buffer component is limited and fixed on the base, the other end of the elastic buffer component is movably connected with the floating support, and the elastic buffer component is suitable for applying force to the guide wheel to enable the guide wheel to be tightly attached to and kept on the door leg structure.

According to the shore bridge lifting system, the middle part of the floating support is provided with the strip-shaped avoidance hole, the elastic buffer component is fixedly provided with the hinge shaft suitable for being connected with the strip-shaped avoidance hole, and the hinge shaft penetrates through the strip-shaped avoidance hole;

the strip-shaped avoiding hole is suitable for avoiding the displacement of the floating support in the vertical direction when the floating support rotates, and the movement of the floating support in the horizontal direction is transferred to the elastic buffering component.

This embodiment also discloses a shore bridge, includes:

the door leg structure comprises a sea side door leg and a land side door leg which are arranged at a set interval;

the cross beam structure comprises a sea side cross beam and a land side cross beam, and two ends of the sea side cross beam are suitable for being connected with the two sea side door legs at a set height respectively; two ends of the land side cross beam are suitable for being connected with the two land side door legs at the set height respectively; the beam structure is suitable for being lifted to the set height through the lifting system of the shore bridge.

The shore bridge disclosed by the embodiment also comprises a distance adjusting device, wherein the sea side gate leg is connected with the land side gate leg through an adjustable connecting beam; the distance adjusting device comprises a first connecting sleeve fixedly arranged on the door leg structure, a second connecting sleeve fixedly arranged on the adjustable connecting beam, a connecting rod connected between the first connecting sleeve and the second connecting sleeve, and an adjuster arranged on the connecting rod and suitable for adjusting and locking the positions of the first connecting sleeve and the second connecting sleeve on the connecting rod;

the adjuster is suitable for adjusting the positions of the first connecting sleeve and the second connecting sleeve on the connecting rod, so that the door leg structures and the adjustable connecting beam are close to or far away from each other, and the distance between the two door leg structures is adjusted.

In the shore bridge provided in this embodiment, the connecting rod is a screw rod penetrating through the inside of the first connecting sleeve and the second connecting sleeve, and the adjuster is an adjusting nut in threaded connection with the screw rod.

The invention has the following advantages:

1. the shore bridge lifting system provided by the invention comprises the first lifting structures, the first lifting structures are hydraulic lifters, the structures are relatively simple, the dismounting and the mounting are also convenient, the top of each sea side door leg and the top of each land side door leg are respectively provided with one group of first lifting structures, the four groups of first lifting structures are matched to lift weight type articles, the load is not limited, and the flexibility is higher. After the lifting system is applied, the beam structure can be safely and efficiently lifted to the set position safely and quickly, meanwhile, the early-stage installation and the later-stage dismantling of the first lifting structure are facilitated, and the time and the economic cost are reduced. The lifting system further comprises a connecting structure, two ends of the first working rope are respectively connected with the first lifting structure and the connecting structure, the first working rope is not connected with a gate leg structure or a beam structure of the shore bridge, and the shore bridge cannot be damaged in the lifting process; and can guarantee the vertical location of first work rope at the in-process of lifting beam structure, further improve the promotion security of the beam structure of bank bridge. And have and prevent rocking damping device, guide the promotion of crossbeam structure in the promotion process to can cushion the atress when receiving side direction impact load, reduce the range of rocking when receiving impact load.

2. According to the shore bridge provided by the invention, through the arranged distance adjusting device, when the beam structure cannot be accurately matched with the two door leg structures, the distance between the two door leg structures on the sea and land side can be finely adjusted efficiently and conveniently, so that the mounting requirement is met, the operation is convenient and fast, the safety is higher, the mounting efficiency of the shore bridge door leg structure adjusting device can be effectively improved, and the time and economic cost are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 shows a front view of a lifting system of a shore bridge of the present invention;

fig. 2 shows a left side view of the lifting system of the shore bridge of the present invention;

figure 3 shows a top view of the lifting system of the shore bridge of the present invention;

FIG. 4 shows a first angled schematic of the first leg or the second leg of the present invention;

FIG. 5 shows a second angular schematic of the first leg or second leg of the present invention;

FIG. 6 shows a first schematic diagram of the connection configuration of the present invention;

FIG. 7 shows a second schematic of the connection of the present invention;

FIG. 8 shows a front view of a shore bridge in an embodiment;

FIG. 9 shows an enlarged view of a portion of FIG. 8;

FIG. 10 shows a side view of FIG. 9;

FIG. 11 shows an enlarged view at A of FIG. 9;

FIG. 12 is an enlarged view showing a partial structure of the anti-rattle damper device;

FIG. 13 shows a sectional view in the direction A1-A1 of FIG. 9;

FIG. 14 shows an enlarged view at B of FIG. 13;

FIG. 15 is a schematic diagram of a shore bridge gate leg structure adjusting device in an embodiment;

fig. 16 is a partial block diagram showing view C in fig. 15;

FIG. 17 is a schematic view showing the structure of the door leg structure and the connection part of the adjustable connection beam in the embodiment;

FIG. 18 shows a cross-sectional view in the direction D1-D1 of FIG. 17;

FIG. 19 shows a cross-sectional view in the direction D2-D2 of FIG. 17;

FIG. 20 shows a cross-sectional view in the direction E1-E1 of FIG. 18;

fig. 21 shows a cross-sectional view in the direction of E2-E2 in fig. 19.

Description of reference numerals:

10. a door leg structure; 101. a plug-in part; 11. sea side door legs; 12. a land side door leg; 13. an adjustable connecting beam; 131. a sheet-shaped open slot; 132. avoiding the fault-tolerant groove; 14. mounting a support;

20. a spacing adjustment device; 21. a first connecting sleeve; 22. a second connecting sleeve; 23. a connecting rod; 24. a regulator; 241. a first adjusting nut; 242. a second adjusting nut; 25. a first fixing frame; 26. a second fixing frame; 27. a first reinforcing structure; 28. a second reinforcing structure; 29. reinforcing ribs;

30. an anti-sloshing damping device; 301. a base; 3011. a hinged seat; 31. a floating guide assembly; 311. a floating mount; 3111. strip-shaped avoiding holes; 312. a guide wheel; 313. a hinge shaft; 32. an elastic buffer component; 321. a buffer support; 3211. a first bracket; 3212. a second bracket; 32121. a connecting portion; 32122. a sliding shaft; 322. an elastic member; 323. a limiting member;

40. a connecting structure; 41. hooping; 42. a connecting end;

50. a beam structure; 51. a sea side beam; 52. a land side cross member;

60. a leg structure; 61. a first leg; 611. a first leg body; 612. a first lifting lug; 613. a first through hole; 614. a third lifting lug; 615. a fifth lifting lug; 616. a seventh lifting lug; 617. a first connecting member; 62. a second leg; 621. a second leg body; 622. a second lifting lug; 623. a second through hole; 624. a fourth lifting lug; 625. a sixth lifting lug; 626. an eighth lifting lug; 627. a second connecting member; 63. fixing the beam;

71. a first lifting structure; 72. a second lifting structure;

80. a safety cord; 90. a second working rope.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 14, the present embodiment discloses a lifting system of a shore crane, which comprises a gate leg structure 10 and a beam structure 50; the door leg structure 10 comprises two sea side door legs 11 and two land side door legs 12 which are arranged at intervals; the beam structure 50 comprises a sea side beam 51 and a land side beam 52, wherein two ends of the sea side beam 51 are respectively connected with the two sea side door legs 11 at a set height, and two ends of the land side beam 52 are respectively connected with the two land side door legs 12 at a set height; the lifting system comprises a connecting structure 40, a first lifting structure 71 and an anti-shaking damping device 30, wherein two ends of the sea side cross beam 51 and two ends of the land side cross beam 52 are connected with a group of connecting structures 40; the first lifting structures 71 are hydraulic lifters, a group of first lifting structures 71 is arranged at the top of each sea side door leg 11 and the top of each land side door leg 12, each group of first lifting structures 71 is connected with the corresponding connecting structure 40 through a first working rope, and the first lifting structures 71 are suitable for lifting the crossbeam structure 50 to the set height; and the anti-shaking damping device 30 is installed on the cross beam structure 50 and is in sliding fit with the door leg structure 10.

The lifting system comprises a first lifting structure 71, the first lifting structure 71 is a hydraulic lifter, the structure is relatively simple, the dismounting and the mounting are also convenient, and each lifting structure is a group of the top of the sea side door leg 11 and each lifting structure 71 can be used for lifting weight type articles, and the load is not limited and the flexibility is high. After the lifting system disclosed by the invention is applied, the beam structure 50 can be safely and efficiently lifted to a set position, and meanwhile, the early-stage installation and the later-stage dismantling of the first lifting structure 71 are facilitated, so that the time and the economic cost are reduced. The lifting system further comprises a connecting structure 40, two ends of the first working rope are respectively connected with the first lifting structure 71 and the connecting structure 40, the first working rope is not connected with the gate leg structure 10 or the beam structure 50 of the shore bridge, and the shore bridge cannot be damaged in the lifting process; and can guarantee the vertical location of first work rope in the in-process of lifting beam structure 50, further improve the promotion security of beam structure 50 of bank bridge. And has the anti-sway damping device 30, guides the lifting of the beam structure 50 in the lifting process, and can buffer the stress when receiving the side impact load, and reduce the sway amplitude when receiving the impact load.

In this embodiment, the first lifting structure 71 is an 800t hydraulic lifter. The four groups of first lifting structures 71 are matched, so that at least 3200t heavy objects can be lifted, and when the beam structure 50 of a shore bridge of 1000t or more is lifted, the load is not limited and the flexibility is high.

The lifting system of the shore crane provided by the present embodiment further includes a leg structure 60, where the leg structure 60 includes a first leg 61 and a second leg 62; one end of the first leg 61 is detachably connected with the top of the sea side door leg 11, and the other end extends upwards and is connected with the corresponding first lifting structure 71; the top of each sea side door leg 11 is matched with one first leg 61; one end of the second leg 62 is detachably connected to the top of the land-side door leg 12, and the other end extends upward and is connected to the corresponding first lifting structure 71; the top of each of the land side door legs 12 matches one of the second legs 62.

The lifting system of the shore bridge provided by the embodiment comprises a connecting structure 40 and a supporting leg structure 60, wherein the connecting structure 40 is connected to two ends of a sea side cross beam 51 and a land side cross beam 52; the lift system sets up on first landing leg 61 and second landing leg 62 of landing leg structure 60, through landing leg structure 60 with lift system detachably connect at the top of sea side gate leg 11 and land side gate leg 12, lift system does not be connected with gate leg structure 10 lug connection, and the both ends of first work rope are connected with first lift structure 71 and connection structure 40 respectively, first work rope is not connected with gate leg structure 10 or crossbeam structure 50 of bank bridge, can not cause the damage to the bank bridge at the promotion in-process. And first hoisting structure 71 all is connected with corresponding connection structure 40 through first work rope, can guarantee the vertical location of first work rope at the in-process of promoting crossbeam structure 50, further improves the promotion security of crossbeam structure 50 of bank bridge.

In this embodiment, the first leg 61 comprises a first leg body 611 and a first lifting lug 612, one end of the first leg body 611 is detachably connected with the top of the sea side door leg 11, the other end of the first leg body is extended upwards, the first lifting lug 612 is convexly arranged at the top end of the side wall of the first leg body 611 facing the adjacent second leg 62, and the corresponding first lifting structure 71 is connected to the first lifting lug 612; first lifting structure 71 is connected at the lateral part of sea side door leg 11 through first lug 612, dodges sea side crossbeam 51, guarantees that sea side crossbeam 51 can promote between two sea side door legs 11, and staggers first work rope and sea side door leg 11's position each other, prevents first work rope and bank bridge's crossbeam structure 50 or door leg structure 10 contact friction, avoids first work rope to cause the damage to sea side door leg 11. The first lifting structure 71 is also vertically positioned during the lifting process by means of the first lifting lug 612 and the connecting structure 40.

The second leg 62 comprises a second leg body 621 and a second lifting lug 622, one end of the second leg body 621 is detachably connected with the top of the land-side door leg 12, the other end extends upwards, the second lifting lug 622 is convexly arranged at the top end of the side wall of the second leg body 621 facing the adjacent first leg 61, and the corresponding first lifting structure 71 is connected to the second lifting lug 622. The second lifting structure 72 is connected to the side portion of the land-side door leg 12 through the second lifting lug 622, so as to avoid the land-side cross beam 52, ensure that the land-side cross beam 52 can be lifted between two land-side door legs 12, and stagger the positions of the first working rope and the land-side door leg 12, prevent the first working rope from contacting and rubbing the cross beam structure 50 or the door leg structure 10 of the shore bridge, and avoid the first working rope from damaging the land-side door leg 12. The first lifting structure 71 also achieves vertical positioning during lifting by means of the second lifting lug 622 and the connecting structure 40.

In this embodiment, a first through hole 613 is formed in the first lifting lug 612, the first lifting structure 71 is connected to the top of the first lifting lug 612, and the corresponding first working rope passes through the first through hole 613 to be connected to the first lifting structure 71; the first lifting structure 71 can be more stably connected to the top of the first lifting lug 612, and the first through hole 613 provides an avoidance space for the first lifting structure 71 and the first operating rope, so as to prevent the first operating rope from rubbing against the first lifting lug 612 to damage the first lifting lug 612. Preferably, the first lifting lug 612 is integrally formed at a side of the first leg body 611.

The second lifting lug 622 is provided with a second through hole 623, the first lifting structure 71 is connected to the top of the second lifting lug 622, and the corresponding first working rope passes through the second through hole 623 to be connected with the first lifting structure 71. The second lifting structure 72 can be more stably connected to the top of the second lifting lug 622, and the second through hole 623 provides an avoidance space for the first lifting structure 71 and the first operating rope, so as to prevent the first operating rope from rubbing against the second lifting lug 622 to damage the first lifting lug 612. Preferably, the first lifting lug 612 is integrally formed at a side of the second leg body 621.

In this embodiment, the leg structure 60 further includes a fixed beam 63; the first leg 61 further comprises a third lifting lug 614, wherein the third lifting lug 614 is positioned below the first lifting lug 612 and is mutually staggered with the first through hole 613; the second leg 62 further comprises a fourth lifting lug 624, wherein the fourth lifting lug 624 is positioned below the second lifting lug 622 and is mutually staggered with the second through hole 623; two ends of the fixed beam 63 are respectively connected with the adjacent third lifting lug 614 and the fourth lifting lug 624. The fixed beam 63 fixedly connects the first leg 61 and the second leg 62 through the third lifting lug 614 and the fourth lifting lug 624, so that the stability of the first leg 61 and the second leg 62 is enhanced. Preferably, both ends of the fixing beam 63 are detachably coupled by fastening structures such as bolts or screws.

In this embodiment, the first leg 61 further includes a fifth lifting lug 615, the fifth lifting lug 615 is protrudingly disposed on a side wall of the first leg body 611 facing away from the first lifting lug 612, the fifth lifting lug 615 is adapted to be connected to the ground through a safety rope 80, and the safety rope 80 can balance tension during a lifting process of the beam structure 50, so as to prevent the first leg 61 from being deformed during the lifting process.

The second leg 62 further includes a sixth lifting lug 625, the sixth lifting lug 625 is convexly disposed on the side wall of the second leg body 621, the side wall faces away from the second lifting lug 622, the sixth lifting lug 625 is suitable for being connected with the ground through a safety rope 80, and the safety rope 80 can balance tension force during the lifting process of the beam structure 50, so as to prevent the second leg 62 from being deformed during the lifting process.

In this embodiment, the first leg 61 further includes a seventh lifting lug 616, and the seventh lifting lug 616 is convexly disposed on a side wall facing away from another first leg 61; the second leg 62 further comprises an eighth lifting lug 626, and the eighth lifting lug 626 is convexly arranged on the side wall facing away from the other second leg 62; the lifting system further comprises a second lifting structure 72, the second lifting structure 72 is connected to the ground, and a group of second lifting structures 72 is correspondingly arranged on both sides of each two sea side door legs 11 and both sides of each two land side door legs 12; each of the seventh lifting lugs 616 is connected with the corresponding second lifting structure 72 through a second working rope 90; each of the eighth lifting lugs 626 is connected with the corresponding second lifting structure 72 through a second working rope 90.

Before the beam structure 50 is lifted, the tops of the two sea side door legs 11 can be pulled outwards by the second lifting structure 72, the second working rope 90 and the seventh lifting lug 616, so that the distance between the tops of the two sea side door legs 11 is pulled by about 80mm, and the sea side beam 51 can be lifted conveniently. Before the beam structure 50 is lifted, the tops of the two landing side door legs 12 can be pulled outwards through the second lifting structure 72, the second working rope 90 and the eighth lifting lug 626, so that the distance between the tops of the two landing side door legs 12 is pulled by about 80mm, and the lifting of the landing side beam 52 are facilitated. Specifically, one end of the second lifting structure is rotatably connected to the ground, and the other end is connected to the second working rope 90.

In this embodiment, the second lifting structure 72 is a hydraulic lifter, and has a simple structure, and is convenient to install and detach, one end of the second lifting structure 72 is rotatably connected with the ground, and the power output end is connected with the second working rope 90. Each set of second lifting structures 72 may pull the top of one of the sea side door legs 11 or the land side door legs 12 to skew outward.

In this embodiment, the second lifting structure 72 is a 200t hydraulic lifter.

In this embodiment, the first leg 61 further includes two first connectors 617, which are respectively connected to two sides of the bottom end of the first leg body 611, and two ends of the two first connectors 617 are respectively detachably connected to the top of the sea side door leg 11 through first fasteners; the first leg 61 can be installed from four angles, and the structure is simple, and the installation and the disassembly are convenient. Preferably, the first connectors 617 are welded to both sides of the bottom end of the first leg body 611; the first fastener is a fastening structure such as a bolt or a screw.

The second leg 62 further includes two second connecting members 627 respectively connected to both sides of the bottom end of the second leg body 621, and both ends of the two second connecting members 627 are detachably connected to the top of the land-side door leg 12 through second fastening members respectively. Simple structure, and convenient installation and disassembly. Preferably, the second connecting member 627 is welded to both sides of the bottom end of the second leg body 621; the second fastener is a fastening structure such as a bolt or a screw.

In this embodiment, the connection structure 40 includes an anchor ear 41 and a connection end 42, the anchor ear 41 is sleeved on the periphery of the end of the sea side beam 51 or the land side beam 52; the connecting end 42 is convexly disposed at a side portion of the hoop 41, located below the corresponding first lifting structure 71, and connected to the corresponding first lifting structure 71 through the first working rope. The link end 42 is located below the first lifting structure 71 and is vertically oriented during the lifting process.

In this embodiment, the anchor ear 41 is welded to the end of the sea side cross beam 51 or the land side cross beam 52; a third through hole is formed in the connection end 42, and the third through hole is vertically arranged corresponding to the first through hole 613 or the second through hole 623. First work rope is connected on landing leg structure 60 and connection structure 40, disperses lifting stress and concentrates, has protected the major structure of original bank bridge, has greatly improved the security of hoist and mount in-process.

In this embodiment, the beam structure 50 further includes two girders, two ends of the sea side beam 51 are respectively and vertically connected to the two girders, and two ends of the land side beam 52 are respectively and vertically connected to the two girders. The two girders are respectively connected with a trapezoidal frame, a pull rod, a machine room and the like.

Specifically, the first working rope, the second working rope and the safety rope can be steel strands.

The lifting process of the lifting system of the shore bridge in this embodiment includes: connecting the connecting structure with sea side beams 51 and land side beams 52 of the beam structure 50; connecting a first lifting structure 71 to a first supporting leg 61 and a second supporting leg 62 of a supporting leg structure 60, and then connecting the first supporting leg 61 and the second supporting leg 62 to the tops of a sea side door leg 11 and a land side door leg 12 respectively, wherein one end of a first working rope is connected with the first lifting structure 71, and the other end of the first working rope passes through a first through hole 613 and a second through hole 623 and is connected with a third through hole of a corresponding connecting structure 40; the fifth lifting lug 615 of the first leg 61 and the sixth lifting lug 625 of the second leg 62 are respectively connected with different positions of the ground through safety ropes; the seventh lifting lug 616 of the first leg 61 and the eighth lifting lug 626 of the second leg 62 are respectively connected with different second lifting structures 72 through second working ropes, and before the lifting starts, the distance between the top ends of the two sea side door legs is firstly pulled by about 80mm through the second lifting structures 72, and the distance between the top ends of the two land side door legs is pulled by about 80 mm; during lifting, action judgment is carried out according to the position reflected by a sensor on the first lifting structure 71, the upper anchor point of the first lifting structure 71 is locked, a first working rope is clamped, the oil cylinder of the first lifting structure moves, the cross beam structure is lifted, when a specified stroke is reached, the lower anchor point of the first lifting structure is locked, the first working rope is clamped, the main oil cylinder of the first lifting structure is contracted slightly at the moment, the upper anchor sheet is separated, finally the upper anchor is loosened completely, the main oil cylinder retracts to the original position, and one lifting cycle is completed; and judging whether to carry out next lifting cycle according to the position of the sensor reaction. After the beam structure 50 is lifted to a set height, the connecting structure 40 is cut off, and 40mm is reserved to ensure the integrity of the beam structure 50.

As shown in fig. 8 to 14, in the present embodiment, the anti-shake damping device 30 includes: the base 301, the floating guide assembly 31 and the elastic buffer assembly 32 are arranged, and the base 301 is installed on the beam structure 50; the floating guide assembly 31 comprises a floating bracket 311 and a guide wheel 312 which is suitable for moving up and down along the door leg structure 10, one end of the floating bracket 311 is rotatably connected with the base 301, and the other end is provided with the guide wheel 312; one end of the elastic buffer assembly 32 is fixed on the base 301 in a limited manner, and the other end of the elastic buffer assembly 32 is movably connected with the floating bracket 311, and the elastic buffer assembly 32 is suitable for applying a force to the guide wheel 312 to enable the guide wheel to be tightly attached to and kept on the door leg structure 10. Specifically, the beam structure 50 further includes two girders, two ends of the sea side beam 51 are respectively vertically connected to the two girders, and two ends of the land side beam 52 are respectively vertically connected to the two girders. The base 301 is mounted on the girder.

In the embodiment, through the sway prevention damping device 30 installed on the beam structure 50, in the process of lifting and installing the beam structure 50, when the beam structure 50 suddenly receives an impact load, the elastic buffer component 32 of the sway prevention damping device 30 can apply a force to the guide wheel 312 to enable the guide wheel to be tightly attached to and kept on the shore bridge gate leg structure 10, the sway amplitude when the beam structure 50 suddenly receives the impact load can be effectively reduced, and further the sway of the beam structure 50 in the direction of a shore bridge cart can be effectively reduced, so that the stability of lifting of the beam structure 50 is ensured, the stability and the safety of the lifting and installing processes of the beam structure 50 are improved, meanwhile, the impact force is prevented from being transmitted to a main structure of the shore bridge, the safety and the reliability of the structure are ensured, and the defects of easy sway and poor stability of the beam structure 50 in the lifting and installing processes in the prior art are overcome.

In this embodiment, the guide wheel 312 is a roller rotatably disposed on the floating bracket 311, and the floating bracket 311 may also be referred to as a roller frame. Optionally, the periphery of the guide wheel 312 is provided with a circle of groove, a guide rail is correspondingly arranged on the side wall of the door leg structure 10, the guide wheel 312 is limited on the guide rail through the groove and can roll up and down along the guide rail, and through the matching of the groove and the guide rail, the guide wheel 312 and the door leg structure 10 are more stable and reliable in matching.

Optionally, a strip-shaped avoiding hole 3111 is separately formed in a middle portion of the floating bracket 311, a hinge shaft 313 adapted to be connected to the strip-shaped avoiding hole 3111 is fixedly disposed on the elastic buffering assembly 32, and the hinge shaft 313 penetrates through the strip-shaped avoiding hole 3111; the strip-shaped avoiding hole 3111 is suitable for avoiding the displacement of the floating support 311 in the vertical direction when the floating support 311 rotates, so that the floating support 311 can normally rotate and drive the hinge shaft 313 to move in the horizontal direction, and the movement of the floating support 311 in the horizontal direction is transmitted to the elastic buffer assembly 32.

It should be noted that, in this embodiment, when the anti-shaking damping device 30 is in the initial state or does not rotate, the bar-shaped avoiding hole 3111 is in a state of extending along the vertical direction to ensure that the floating support 311 rotates, the bar-shaped avoiding hole 3111 has a component in the vertical direction to avoid the movement of the floating support 311 in the vertical direction.

Because the floating bracket 311 moves in both horizontal and vertical directions when rotating around the hinge point of the base 301, if the connection position of the floating bracket 311 and the elastic buffering assembly 32 is completely constrained in the vertical direction, the floating bracket 311 is non-rotatable, and may seriously damage the structure of the connection position of the floating bracket 311 and the elastic buffering assembly 32, resulting in failure of the whole device, in this embodiment, the middle part of the floating bracket 311 near one side of the elastic buffering assembly 32 is separately provided with a strip-shaped avoiding hole 3111 extending in the vertical direction, and is connected with the hinge shaft 313 fixedly arranged on the elastic buffering assembly 32, the floating bracket 311 can float up and down relative to the hinge shaft 313 along the path of the strip-shaped avoiding hole 3111 when rotating, so as to avoid displacement of the floating bracket 311 in the vertical direction, and can transmit the movement of the floating bracket 311 in the horizontal direction to the elastic buffering assembly 32, so that when the floating bracket 311 rotates under the impact load, the elastic buffering member 311 can extend and retract in the horizontal direction, thereby driving the floating bracket 311 in this direction, realizing that the telescopic guide wheel 312 can be tightly attached to the guide wheel 30, and reduce the service life of the guide wheel 30, and improve the shock of the guide device, and reduce the shock load.

Optionally, the elastic buffer assembly 32 includes a buffer support 321, the buffer support 321 includes a first bracket 3211 and a second bracket 3212 which are arranged oppositely, the first bracket 3211 is fixed on the base 301, and the second bracket 3212 is slidably mounted on the first bracket 3211 in a limited manner; the second bracket 3212 is located at a side close to the floating bracket 311, and a connecting portion 32121 adapted to be connected to the floating bracket 311 is disposed on the second bracket 3212, and the hinge shaft 313 is fixedly disposed on the connecting portion 32121. Optionally, in this embodiment, the first bracket 3211 is a first longitudinal support plate fixedly disposed on the upper surface of the base 301, the second bracket 3212 is a second longitudinal support plate disposed opposite to the first longitudinal support plate, and the second longitudinal support plate is slidably and limitedly mounted on the first longitudinal support plate.

Optionally, a bearing plate is further fixedly arranged on the side wall of the first longitudinal supporting plate close to one side of the second longitudinal supporting plate, the bearing plate is located below the second longitudinal supporting plate, a set gap is formed between the bearing plate and the lower edge of the second longitudinal supporting plate, or the bearing plate and the lower edge of the second longitudinal supporting plate can be in contact fit with each other, the bearing plate plays a role of bearing the second longitudinal supporting plate, so that the second longitudinal supporting plate is prevented from sinking, and the normal use of the anti-shaking damping device 30 is influenced.

Optionally, a triangular reinforcing plate for increasing the structural strength of the bearing plate is further disposed between the first longitudinal supporting plate and the bearing plate.

Optionally, the elastic buffer assembly 32 includes an elastic member 322, and the elastic member 322 is disposed between the first bracket 3211 and the second bracket 3212, is retractable in a horizontal direction, and is adapted to apply a force to the second bracket 3212 away from the first bracket 3211. In this embodiment, when the floating bracket 311 rotates, the strip-shaped avoiding hole 3111 pushes the hinge shaft 313 to move in the horizontal direction, and this movement is transmitted to the second bracket 3212 and the elastic member 322, so as to finally reduce the vibration.

Optionally, the elastic element 322 is a rubber spring disposed between the first bracket 3211 and the second bracket 3212 in a compressed manner, and wrapping rings are disposed at two ends of the rubber spring, and wrap the two ends of the rubber spring to protect against abrasion.

Alternatively, the rubber spring may be fixedly connected between the first bracket 3211 and the second bracket 3212, or may be compressed and abutted between the first bracket 3211 and the second bracket 3212.

Optionally, a sliding shaft 32122 is fixedly disposed on a side wall of the second bracket 3212 close to the first bracket 3211; the first bracket 3211 is correspondingly provided with a guide hole through which the sliding shaft 32122 can pass, and an end of the sliding shaft 32122 is provided with a stopper 323 for preventing the sliding shaft from separating from the guide hole. The sliding shaft 32122 is matched with the guide hole to realize the sliding limit connection between the second bracket 3212 and the first bracket 3211.

Alternatively, the sliding shaft 32122 is welded to the second bracket 3212.

Alternatively, the rubber spring has a through hole in the center thereof, and the sliding shaft 32122 passes through the through hole in the center of the rubber spring. The rubber spring is horizontally arranged and can stretch out and draw back in the horizontal direction, so that the second bracket 3212 is driven to move in the horizontal direction to be close to or far away from the first bracket 3211, and the guide wheel 312 is driven to move in the horizontal direction.

Optionally, the position-limiting element 323 is a lock nut fastened to the end of the sliding shaft 32122, and the lock nut can limit and fix the sliding shaft 32122 and prevent the end of the sliding shaft 32122 from being disengaged from the guide hole, and can also adjust the relative position of the sliding shaft 32122 and the first bracket 3211.

Optionally, the sliding shaft 32122 is a stepped shaft, and the sliding shaft 32122 includes a first shaft segment fixed to an inner sidewall of the first bracket 3211 and a second shaft segment having a reduced outer diameter and adapted to pass through the guide hole, and the guide hole has an inner diameter greater than the outer diameter of the second shaft segment and smaller than the outer diameter of the first shaft segment. The arrangement is such that the sliding shaft 32122 is located at one side of the first bracket 3211 and limited by the lock nut, and the other side is limited by the shoulder.

Optionally, the sliding shaft 32122 further includes a third shaft segment, an outer diameter of the third shaft segment is smaller than that of the second shaft segment, the second shaft segment is connected between the first shaft segment and the third shaft segment, a guide shaft sleeve is fixedly disposed on an outer side wall of the first bracket 3211 (a side wall far away from one side of the second bracket 3212), a fixed support plate for supporting and fixing the guide shaft sleeve is fixedly disposed on the base 301, the guide shaft sleeve is fixedly connected between the fixed support plate and the first bracket 3211, a through hole through which the third shaft segment passes is disposed on the fixed support plate, an inner diameter of the through hole is greater than an outer diameter of the third shaft segment and smaller than that of the second shaft segment, the locking nut is fixedly connected to an end of the third shaft segment, and a connecting shaft located on one side of the through hole is limited by a shaft shoulder through a limiting nut on the other side. By adopting the above design, the stability and balance of the sliding shaft 32122, the second bracket 3212 and the first bracket 3211 can be effectively ensured.

Optionally, the floating bracket 311 includes two opposite mounting plates, and the two mounting plates are respectively provided with the strip-shaped avoiding hole 3111; the connecting portion 32121 is two connecting plates fixedly disposed on an outer side wall of the first bracket 3211, and the two connecting plates are adapted to extend into the two mounting plates and respectively provided with connecting holes adapted to be in interference fit with the hinge shaft 313, so as to realize connection and fixation of the hinge shaft 313 and the connecting portion 32121. The hinge shaft 313 sequentially passes through the two connecting holes and the two strip-shaped avoiding holes 3111 to realize the connection between the floating bracket 311 and the second bracket 3212.

Alternatively, both ends of the hinge shaft 313 may be fixed and limited by nuts or pins. The mounting panel with the connecting plate is the vertical plate.

Optionally, the floating support 311 further includes two guide wheel mounting plates which are oppositely arranged, and are used for mounting the guide wheels 312 and the two guide wheel mounting plates are spaced more than two spacing intervals of the mounting plates provided with the bar-shaped avoiding holes 3111.

Specifically, one end of the two guide wheel mounting plates near the elastic buffer assembly 32 is bent and extended towards the opposite side, and then bent and extended towards the direction near the guide wheels 312 to form the mounting plates.

Preferably, the two guide wheel mounting plates include two first straight sections located adjacent to the guide wheels 312 and two second straight sections located adjacent to the resilient cushioning members 32, and two second angled transition sections connected between the first straight sections and the second straight sections. Optionally, the floating bracket 311 is hinged to the base 301, and the floating bracket 311 can rotate in the vertical direction around the hinge point where it is connected to the base 301. Specifically, a hinge seat 3011 is fixedly disposed on the base 301, a hinge hole is disposed at the lower end of the floating support 311, and the hinge hole and the hinge seat 3011 are connected through a hinge shaft to realize the hinge connection between the floating support 311 and the base 301.

Optionally, the hinge point of the floating bracket 311 and the base 301 is located on the inclined transition section. Optionally, the inclined transition section is provided with the hinge hole.

Optionally, the strip-shaped avoiding hole 3111 is a waist-shaped hole extending in the vertical direction.

The anti-sway damping device 30 provided by this embodiment is applied in the installation process of the quayside container crane beam structure 50.

Example two

As shown in fig. 8 to 14, the present embodiment provides a shore bridge, including: the door comprises a door leg structure 10 and a beam structure 50 arranged on the door leg structure 10 in a liftable manner, wherein the anti-shaking damping device 30 described in the first embodiment is mounted on the beam structure 50.

Optionally, the quay crane further comprises a mounting support 14, the anti-sway damping device 30 is fixed on the mounting support 14, and the mounting support 14 is mounted on the cross beam structure 50. Optionally, the mounting bracket 14 is a hoop. The connection of the sway damping means 30 to the beam structure 50 is facilitated by the provision of the mounting brackets 14.

Optionally, the base 301 and the mounting support 14 are fixed by screws, so that the base is convenient to detach and mount.

The bank bridge that this embodiment provided, through the above-mentioned damping device 30 that prevents rocking of installing on beam structure 50, reduced beam structure 50 and rocked in the bank bridge cart side, keep beam structure 50 stable, also can keep beam structure 50 stable under normal operating conditions effectively simultaneously, reduce impact load to bank bridge gate leg structure 10's impact, improved the reliability of beam structure 50 installation and the shock-resistant ability of bank bridge.

The working process and principle of the anti-shaking damping device 30 provided in this embodiment will be described with reference to fig. 8 to 14.

In the quay crane installation of the present embodiment, the beam structure 50 is pulled up and lifted between the two door leg structures 10. The mounting brackets 14 are mounted to the beam structure 50, one at each of the door leg structures 10. The base 301 is mounted on the mounting support 14, and the floating bracket 311 is hinged through the hinge seat 3011 on the base 301. The floating bracket 311 can rotate around the hinge point of the base 301, a strip-shaped avoiding hole 3111 is arranged at the part of the floating bracket 311 close to the middle of the beam structure 50, and the floating bracket 311 is hinged with the second bracket 3212 through a hinge shaft 313. The floating bracket 311 may float with respect to the hinge shaft 313 along the path of the strip-shaped escape hole 3111, and the rubber spring may be extended and contracted in the cart direction, thereby driving the extension and contraction of the floating bracket 311 in this direction. The floating bracket 311 is provided with a guide wheel 312 near the door leg structure 10, and the guide wheel 312 can roll up and down along the side wall of the door leg structure 10. The rubber spring is installed to a sliding shaft 32122 of the second bracket 3212, the first bracket 3211 has a guide hole, and when the second bracket 3212 is compressed, the sliding shaft 32122 of the second bracket 3212 can move back and forth in the guide hole of the first bracket 3211, and the rubber spring between the first bracket 3211 and the second bracket 3212 is compressed.

During operation, when the crossbeam structure 50 of bank bridge was promoted by wire rope, leading wheel 312 rolled from top to bottom along door leg structure 10 lateral wall, given crossbeam structure 50 in the ascending support of cart side, guaranteed that crossbeam structure 50 can not rock under the condition of normal installation, during normal condition, elastic component 322 is compression state, and has leading wheel 312 applys to make it hug closely and keep power on the door leg structure 10, and the power of the elastic component 322 that floating support 311 receives in the cart direction is balanced mutually with the power that the leading wheel 312 was given to door leg structure 10. When the beam structure 50 suddenly receives a load in the cart direction, such as a crosswind, the beam structure 50 is impacted or extruded towards one side, the pressure borne by the guide wheel 312 can be increased due to the impact and the extrusion, the floating support 311 can drive the guide wheel 312 to rotate around the hinge point of the base 301, the hinge shaft 313 at the joint of the floating support 311 and the elastic buffer assembly 32 can move downwards, meanwhile, the elastic piece 322 is extruded, the elastic piece 322 is compressed to a certain degree, the resistance of the elastic piece can stop the floating support 311 from rotating, the floating support 311 returns after the load in the cart direction disappears, the rotation speed of the floating support 311 can be slowed down due to the existence of the elastic piece 322, the amplitude is reduced, and the stability of the beam structure 50 is maintained.

When the cross member structure 50 is subjected to a load in the cart direction, the pressure on one side of the guide wheels 312 increases, and the pressure on the other side decreases. At this time, the outward thrust of the elastic member 322 applied to the floating bracket 311 on the other side makes the floating bracket 311 tend to rotate toward the door leg structure 10, so that even if the pressure applied to the other side is reduced, the guide wheel 312 can be constantly in contact with the door leg structure 10, and the quay crane beam structure 50 does not rock between the door leg structures 10. The stability of the beam structure 50 under normal operating conditions is effectively maintained, and at the same time, the sway amplitude when suddenly subjected to a load can be reduced, and the impact on the door leg structure 10 is reduced.

In this embodiment, the door leg structure 10 includes two seaside door legs 11 near the sea side and two land side door legs 12 near the land side, and the two seaside door legs 11 correspond to the two land side door legs 12 one by one. The two ends of the beam structure 50 connected between the two sea side door legs 11 and/or the two land side door legs 12 are respectively provided with the anti-sway damping device 30, and the cart direction in this embodiment is the direction of the connecting line of the two land side door legs 12.

As shown in fig. 15 to 21, the present embodiment further discloses a shore bridge, which includes a door leg structure 10 and a beam structure 50, where the door leg structure 10 includes a sea side door leg 11 and a land side door leg 12 arranged at a set distance; the beam structure 50 comprises a sea side beam 51 and a land side beam 52, wherein two ends of the sea side beam 51 are suitable for being connected with the two sea side door legs 11 at set heights respectively, and two ends of the land side beam 52 are suitable for being connected with the two land side door legs 12 at set heights respectively; the beam structure 50 is adapted to be lifted to said set height by means of the above-mentioned hoisting system of the shore bridge.

The shore bridge of the embodiment further comprises a distance adjusting device, and the sea side door leg 11 is connected with the land side door leg 12 through an adjustable connecting beam 13; the distance adjusting device 20 comprises a first connecting sleeve 21 fixedly arranged on the door leg structure 10, a second connecting sleeve 22 fixedly arranged on the adjustable connecting beam 13, a connecting rod 23 connected between the first connecting sleeve 21 and the second connecting sleeve 22, and an adjuster 24 arranged on the connecting rod 23 and adapted to adjust and lock the positions of the first connecting sleeve 21 and the second connecting sleeve 22 on the connecting rod 23; the adjuster 24 is adapted to adjust the distance between the two door leg structures 10 by adjusting the relative positions of the first connecting sleeve 21 and the second connecting sleeve 22 on the connecting rod 23 so that the door leg structures 10 and the adjustable connecting beam 13 are close to or far away from each other.

The bank bridge gate leg structure adjusting device that this embodiment provided, through the interval adjusting device 20 that sets up, when can not accurate matching between crossbeam structure and two gate leg structures 10, can finely tune the distance between two gate leg structures 10 of sea land side high-efficiently conveniently to make it satisfy the installation requirement, not only convenient operation is swift, and the security is higher, can improve bank bridge gate leg structure adjusting device's installation effectiveness effectively, reduce time and economic cost.

In the above solution, the two gate leg structures 10 are a sea side gate leg 11 near the sea side and a land side gate leg 12 near the land side. Of course, without being limited thereto, in some embodiments, the distance adjustment device 20 may also be disposed between the two sea side door legs 11 or the two land side door legs 12.

Optionally, the connecting rod 23 is a screw rod penetrating through the first connecting sleeve 21 and the second connecting sleeve 22, and the adjuster 24 is an adjusting nut screwed on the screw rod.

In the above scheme, connecting rod 23 adopts and runs through the inside screw rod of first adapter sleeve 21 and second adapter sleeve 22, regulator 24 adopts threaded connection to be in adjusting nut on the screw rod is through adjusting nut can realize adjusting the interval between two leg structures 10 in the position on connecting rod 23, and the operation is more convenient, and simple structure, and is with low costs.

Further, the inner diameters of the first connection sleeve 21 and the second connection sleeve 22 are larger than the outer diameter of the screw rod, the screw rod can freely move in the first connection sleeve 21 and the second connection sleeve 22, the first connection sleeve 21 and the second connection sleeve 22 can be in a hollow tubular structure or a shaft sleeve structure, in other embodiments, the first connection sleeve 21 and the second connection sleeve 22 can also be in a connection block structure with a hollow channel for the screw rod to pass through, the specific structural shapes of the first connection sleeve 21 and the second connection sleeve 22 are not limited in this embodiment, as long as the connection rod 23 can pass through the door leg structure 10 and the adjustable connection beam 13.

Further, the first connecting sleeve 21 and the second connecting sleeve 22 may be respectively and correspondingly fixed on the door leg structure 10 and the adjustable connecting beam 13 by welding, bonding, screwing or the like. Preferably, in this embodiment, the first connection sleeve 21 and the second connection sleeve 22 are made of steel with relatively high hardness, and are respectively fixed on the door leg structure 10 and the adjustable connection beam 13 by welding, and are connected by welding, so as to be more reliable and stable.

Optionally, as shown in fig. 15 to 17, an inserting portion 101 adapted to be inserted into and matched with the adjustable connecting beam 13 is fixedly arranged on one side of the door leg structure 10 close to the adjustable connecting beam 13; the end of the adjustable connecting beam 13 is correspondingly provided with a slot into which the inserting portion 101 can be inserted, and the distance adjusting device 20 is adapted to adjust the distance between the two door leg structures 10 by adjusting the inserting depth of the inserting portion 101.

Further, as shown in fig. 16, the inserting portion 101 is a longitudinal inserting plate or an inserting sheet, the inserting groove includes a sheet-shaped opening groove 131 which is opened on the end portion of the adjustable connecting beam 13 and is matched with the shape of the inserting portion 101, and an avoiding error-tolerant groove 132 which is communicated with the sheet-shaped opening groove 131, the width of the avoiding error-tolerant groove 132 is slightly larger than the sheet-shaped opening groove 131, and has a certain depth, the depth of the avoiding error-tolerant groove 132 and the sheet-shaped opening groove 131 is formed by the adjusting range of the interval adjusting device 20.

Of course, in other modified embodiments, an insertion portion 101 adapted to be inserted into and engaged with the door leg structure 10 may be provided at an end portion of the adjustable connection beam 13, and the door leg structure 10 is correspondingly provided with an insertion slot.

Optionally, as shown in fig. 15, 17, and 18, the distance adjusting device 20 further includes two first fixing frames 25 fixedly disposed on the inserting portion 101; the first fixing frames 25 are used for supporting and fixing the first connecting sleeves 21, two ends of the first connecting sleeves 21 are fixedly connected between the two first fixing frames 25, and the adjusting nuts include two first adjusting nuts 241 abutted against the outer sides of the two first fixing frames 25. When the displacement is adjusted, one of the two first adjusting nuts 241 is loosened, and then the other one is rotated to push the first connecting sleeve 21 to approach or depart from the second connecting sleeve 22, so as to adjust the distance between the first connecting sleeve 21 and the second connecting sleeve 22, and further adjust the distance between the two door leg structures 10.

Optionally, the inserting part 101 has an inserting portion adapted to be inserted into the interior of the adjustable connection beam 13 and an exposed portion exposed outside the adjustable connection beam 13, and the first connection sleeve 21 is fixedly disposed on the exposed portion of the inserting part 101.

Further, the first connecting sleeves 21 include two, and the two first connecting sleeves 21 are respectively disposed on the left and right sides of the inserting portion 101.

Further, the first fixing frame 25 is a fixing plate welded and fixed on the left and right side walls of the sheet-shaped or plate-shaped inserting portion 101. One of the two first connecting sleeves 21 is welded and fixed between the two first fixing frames 25 on one side of the inserting part 101, and the other one is welded and fixed between the two first fixing frames 25 on the other side of the inserting part 101. The fixing plate is correspondingly provided with a through hole through which the connecting rod 23 can pass.

The embodiment can realize the rapid plugging and positioning of the door leg structure 10 and the adjustable connecting beam 13 through the plugging part 101, so that the installation efficiency is improved, and the first connecting sleeve 21 can also be fixed on the plugging part 101, so that the connection between the first connecting sleeve and the second connecting sleeve 22 is more convenient.

Optionally, as shown in fig. 16, 19 to 21, the distance adjusting device 20 further includes two second fixing frames 26 fixedly disposed on the adjustable connecting beam 13, where the second fixing frames 26 are used to support and fix the second connecting sleeve 22; the two ends of the second connecting sleeve 22 are fixedly connected between the two second fixing frames 26, and the adjusting nut further includes two second adjusting nuts 242 abutting against the outer sides of the two second fixing frames 26.

Optionally, the adjustable connecting beam 13 is a tubular structure, and preferably, for saving material cost, the adjustable connecting beam 13 is a hollow tubular structure. The second fixing frame 26 is a semi-annular supporting plate arranged around the periphery of the adjustable connecting beam 13; and two ends of the second connecting sleeve 22 are fixedly connected to the two semi-annular supporting plates. Preferably, the second connecting sleeves 22 include two, and the two second connecting sleeves 22 are symmetrically arranged about a vertical bisector of the adjustable connecting beam 13, that is, the two second connecting sleeves 22 are arranged on two sides of the adjustable connecting beam 13.

Further, the center of the first connecting sleeve 21 and the center of the second connecting sleeve 22 are on the same straight line, so that the screw rod can be smoothly inserted into the first connecting sleeve 21 and the second connecting sleeve 22, and an avoiding opening through which the screw rod can pass is correspondingly arranged on the semi-annular supporting plate. The screw rod respectively passes through the two second fixing frames 26, the second connecting sleeve 22, the two first fixing frames 25 and the first connecting sleeve 21.

Optionally, in this embodiment, a plurality of reinforcing ribs 29 are disposed on the second fixing frame 26, and preferably, the reinforcing ribs 29 are disposed at intervals along the circumferential direction of the semi-annular supporting plate for increasing the structural strength of the second fixing frame 26.

Further, the first connecting sleeve 21 and the second connecting sleeve 22, the first fixing frame 25, the second fixing frame 26, and the inserting portion 101 and the adjustable connecting beam 13 may be fixed to the door leg structure 10 and the adjustable connecting beam 13 by welding, bonding, screwing, or the like. Preferably, in this embodiment, the first connecting sleeve 21, the second connecting sleeve 22, the first fixing frame 25, and the second fixing frame 26 are all made of steel with relatively high hardness, and are fixed on the door leg structure 10 and the adjustable connecting beam 13 in a welding manner, and are connected in a welding manner, so that the door leg structure is more firm and stable, and is not easy to fall off.

Preferably, in this embodiment, the first connection sleeve 21 and the second connection sleeve 22 are both horizontally disposed, and the center of the first connection sleeve 21 and the center of the second connection sleeve 22 are located on the same horizontal straight line.

Optionally, the distance adjusting device 20 further comprises a first reinforcing structure 27 and/or a second reinforcing structure 28, the first reinforcing structure 27 being connected between the first connecting sleeve 21 and the insertion part 101, adapted to increase the structural strength of the first connecting sleeve 21; a second reinforcement structure 28 is connected between the second connection sleeve 22 and the adjustable connection beam 13, adapted to increase the structural strength of the second connection sleeve 22.

According to the shore bridge gate leg structure adjusting device provided by the invention, the first reinforcing structure 27 arranged between the first connecting sleeve 21 and the inserting part 101 and the second reinforcing structure 28 arranged between the second connecting sleeve 22 and the adjustable connecting beam 13 can effectively increase the structural strength of the first connecting sleeve 21 and the second connecting sleeve 22, and improve the durability and the service life of the shore bridge gate leg structure adjusting device.

Further, the first reinforcing structure 27 is a first horizontal reinforcing plate connected between the peripheral wall of the first connecting sleeve 21, the outer wall of the socket 101, and the two first fixing brackets 25. The second reinforcing structure 28 includes a vertical reinforcing plate connected between the two second fixing frames 26 and the circumferential side walls of the adjustable connecting beam 13, and a second horizontal reinforcing plate connected between the vertical reinforcing plate and the two second fixing frames 26 and the circumferential side walls of the second connecting sleeve 22.

Optionally, the first horizontal reinforcing plate, the vertical reinforcing plate and the second horizontal reinforcing plate are fixed by welding.

Optionally, the spacing adjustment device 20 comprises: the sea side distance adjusting device is arranged at one end, close to the sea side, of the adjustable connecting beam 13 and is suitable for being connected with the sea side door leg 11; and the land side distance adjusting device is arranged at one end, close to the land side, of the adjustable connecting beam 13 and is suitable for being connected with the land side door leg 12.

According to the shore bridge gate leg structure adjusting device provided by the invention, the distance adjusting device 20 comprises a sea side distance adjusting device and a land side distance adjusting device which are arranged at two ends of the adjustable connecting beam 13, and in the using process, an operator can adjust the distance between the two gate leg structures 10 from any side or two sides according to actual requirements, so that various requirements in actual use can be met, and the flexibility, operability and convenience of distance adjustment are improved.

Optionally, the sea side distance adjusting devices are provided with two groups, and the two groups are respectively arranged on the upper side and the lower side of the adjustable connecting beam; the land side distance adjusting devices are provided with two groups and are respectively arranged on the upper side and the lower side of the adjustable connecting beam.

Specifically, sea side interval adjusting device and land side interval adjusting device all include two upper and two lower locate four first connecting sleeves 21 of both sides about the adjustable tie-beam, first mount 25 corresponds including two upper and two lower locate four first mounts 25 of both sides about the adjustable tie-beam, and every first mount 25 of group is respectively including being two first mounts 25 that set for the interval setting.

Further, the sea side distance adjusting device and the land side distance adjusting device both include four second connecting sleeves 22 which are arranged on the upper side and the lower side of the adjustable connecting beam, the second fixing frame 26 correspondingly includes four groups of second fixing frames 26 which are arranged on the upper side and the lower side of the adjustable connecting beam, and each group of second fixing frames 26 respectively includes two second fixing frames 26 which are arranged at a set distance.

Further, the second fixing frame 26 includes an upper semi-annular support plate surrounding the upper half of the adjustable connecting beam 13 and a lower semi-annular support plate surrounding the lower half of the adjustable connecting beam 13, the positions of the upper semi-annular support plate and the lower semi-annular support plate correspond to each other up and down, and the four second connecting sleeves 22 are welded and fixed on the upper semi-annular support plate and the lower semi-annular support plate in a two-up and two-down manner. Second mount 26 can directly weld on adjustable tie-beam 13 through adopting the structural design of semiorbicular, has avoided closed the ring to need to wear into from adjustable tie-beam 13 one end, but adjustable tie-beam 13 has already been well-matched with door leg structure 10 during the installation, can't follow the problem that one end was worn into.

The concrete principle and the working process of the shore bridge gate leg structure adjusting device provided by the embodiment are as follows:

adjustable tie-beam 13 is connected two door leg structures 10 of sea side and land side of bank bridge door leg structure adjusting device, and adjustable tie-beam 13 is the tubulose, and in the place that adjustable tie-beam 13 meets with bank bridge door leg structure adjusting device sea side door leg, the part that sea side door leg is connected is equipped with the grafting portion 101 that is the slice setting, can insert among the adjustable tie-beam 13. Two first mounts 25 that are the setting for interval setting are welded on grafting portion 101 of door leg structure 10, and fixed being provided with first connecting sleeve 21 between two first mounts 25, the welding has the first horizontal reinforcing plate that is used for increasing first connecting sleeve 21 structural strength. Similarly, two semicircular second fixing frames 26 arranged at a set interval are welded on the adjustable connecting beam 13, a second connecting sleeve 22 is fixedly arranged between the two second fixing frames 26, and a second horizontal reinforcing plate and a vertical reinforcing plate for reinforcing the strength of the second connecting sleeve 22 are arranged between the two second fixing frames 26 and the second connecting sleeve 22. The screw rods penetrate through the first connecting sleeve 21 and the second connecting sleeve 22, adjusting nuts are respectively arranged on the screw rods on two sides of the first fixing frame 25, the adjusting nuts are also respectively arranged on the screw rods on two sides of the second fixing frame 26, the adjusting mechanisms are vertically and horizontally symmetrical, the upper part and the lower part of the adjustable connecting beam 13 are respectively arranged, and the positions where the adjustable connecting beam 13 is connected with the side legs of the sea and land are respectively arranged.

In operation, when the distance between the door legs on the sea side needs to be adjusted during installation, the adjusting nuts on one side of the first fixing frame 25 and/or the second fixing frame 26 are loosened, then the adjusting nuts on the other side of the first fixing frame 25 and/or the second fixing frame 26 are rotated, and the positions of the first fixing frame 25 and/or the second fixing frame 26 on the screw rods are adjusted, so that the first fixing frame 25 and the second fixing frame 26 are close to or far away from each other. And first mount 25 welds with door leg structure 10 mutually, and second mount 26 welds with adjustable tie-beam 13 mutually, when the distance of first mount 25 and second mount 26 changes, can make door leg structure 10 and adjustable tie-beam 13 produce small deformation to adjust the distance between the sea land side door leg, thereby make it satisfy the requirement of installation.

The shore bridge gate leg structure adjusting device that this embodiment provided, sea side interval adjusting device and land side interval adjusting device include respectively about four sets of adjustment mechanism that adjustable tie-beam 13's horizontal bisector and vertical bisector symmetry set up, diversified regulation is fixed gate leg structure 10 with adjustable tie-beam 13 to can guarantee the reliability that adjustable tie-beam 13 and gate leg structure 10 are connected effectively, ensure simultaneously that two gate leg structures 10 in back of adjusting can stably keep in predetermined adjusting position.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.

Claims

1. A lifting system of a shore bridge, the shore bridge comprising a gate leg structure (10) and a beam structure (50), the gate leg structure (10) comprising two sea side gate legs (11) and two land side gate legs (12) arranged at intervals; the crossbeam structure (50) comprises a sea side crossbeam (51) and a land side crossbeam (52), and two ends of the sea side crossbeam (51) are suitable for being connected with the two sea side door legs (11) at a set height respectively; both ends of the land side cross beam (52) are suitable for being connected with the two land side door legs (12) at the set height respectively; characterized in that the hoisting system comprises:

the two ends of the sea side cross beam (51) and the two ends of the land side cross beam (52) are connected with a group of the connecting structures (40);

the first lifting structures (71) are hydraulic lifters, a group of first lifting structures (71) are arranged at the top of each sea side door leg (11) and the top of each land side door leg (12), each group of first lifting structures (71) are connected with a corresponding group of connecting structures (40) through first working ropes, and the first lifting structures are suitable for lifting the beam structure (50) to the set height;

and the anti-shaking damping device (30) is arranged on the beam structure (50) and is in sliding fit with the door leg structure (10).

2. The shore bridge hoist system according to claim 1, further comprising a leg structure (60), the leg structure (60) comprising:

a first leg (61) having one end detachably connected to the top of the sea side door leg (11) and the other end extending upward and connected to the corresponding first lifting structure (71); the top of each sea side door leg (11) is matched with one first leg (61);

a second leg (62) having one end detachably connected to the top of the land-side door leg (12) and the other end extending upward and connected to the corresponding first lifting structure (71); the top of each land side door leg (12) is matched with one second leg (62).

3. The quay crane lifting system according to claim 2, wherein the first leg (61) comprises a first leg body (611) and a first lifting lug (612), one end of the first leg body (611) is detachably connected with the top of the sea side door leg (11), the other end of the first leg body extends upwards, the first lifting lug (612) is convexly arranged at the top end of the side wall of the first leg body (611) facing the adjacent second leg (62), the corresponding first lifting structure (71) is connected with the top of the first lifting lug (612), and the corresponding first working rope is connected with the first lifting structure (71) through a first through hole (613) on the first lifting lug (612);

the second leg (62) comprises a second leg body (621) and a second lifting lug (622), one end of the second leg body (621) is detachably connected with the top of the land-side door leg (12), the other end of the second leg body extends upwards, the second lifting lug (622) is convexly arranged at the top end of the side wall of the second leg body (621) facing the adjacent first leg (61), the corresponding first lifting structure (71) is connected with the top of the second lifting lug (622), and the corresponding first working rope passes through a second through hole (623) in the second lifting lug (622) and is connected with the first lifting structure (71).

4. A lifting system for a shore bridge according to claim 3, characterized in that it further comprises a fixed beam (63);

the first leg (61) further comprises a third lifting lug (614), the third lifting lug (614) is convexly arranged on the first leg body (611), is positioned below the first lifting lug (612), and is mutually staggered with the first through hole (613); the second leg (62) further comprises a fourth lifting lug (624), the fourth lifting lug (624) is convexly arranged on the second leg body (621), is positioned below the second lifting lug (622), and is mutually staggered with the second through hole (623); two ends of the fixed beam (63) are respectively connected with the adjacent third lifting lug (614) and the fourth lifting lug (624);

and/or the first leg (61) further comprises a fifth lifting lug (615), the fifth lifting lug (615) is convexly arranged on the side wall of the first leg body (611) facing away from the first lifting lug (612), and the fifth lifting lug (615) is suitable for being connected with the ground through a first safety rope (80); the second leg (62) further comprises a sixth lifting lug (625), the sixth lifting lug (625) is convexly arranged on the side wall of the second leg body (621) facing away from the second lifting lug (622), and the sixth lifting lug (625) is suitable for being connected with the ground through a second safety rope (80);

and/or the first leg (61) further comprises a seventh lifting lug (616), and the seventh lifting lug (616) is convexly arranged on the side wall which faces away from the other first leg (61);

the second leg (62) further comprises an eighth lifting lug (626), and the eighth lifting lug (626) is convexly arranged on the side wall which faces away from the other second leg (62);

the lifting system further comprises a second lifting structure (72), the second lifting structure (72) is connected to the ground, and a group of second lifting structures (72) is correspondingly arranged on two sides of each two sea side door legs (11) and two sides of each two land side door legs (12); each seventh lifting lug (616) is connected with the corresponding second lifting structure (72) through a second working rope (90); each eighth lifting lug (626) is connected to the corresponding second lifting structure (72) by a second working rope (90).

5. A lifting system for a shore bridge according to claim 4, characterized in that said first lifting structure (71) is a hydraulic lifter; and/or the second lifting structure (72) is a hydraulic lifter.

6. Shore bridge hoisting system according to any of claims 1-5, characterized in that the anti-sway damping arrangement (30) comprises:

a base (301) mounted on the beam structure (50);

the floating guide assembly (31) comprises a floating support (311) and a guide wheel (312) suitable for moving up and down along the door leg structure (10), one end of the floating support (311) is rotatably connected with the base (301), and the guide wheel (312) is arranged at the other end of the floating support;

and one end of the elastic buffer component (32) is limited and fixed on the base (301), the other end of the elastic buffer component is movably connected with the floating bracket (311), and the elastic buffer component (32) is suitable for applying force to the guide wheel (312) to enable the guide wheel to be tightly attached to and kept on the door leg structure (10).

7. The shore bridge lifting system according to claim 6, wherein a strip-shaped avoiding hole (3111) is separately formed in a middle portion of the floating support (311), a hinge shaft (313) adapted to be connected with the strip-shaped avoiding hole (3111) is fixedly arranged on the elastic buffer assembly (32), and the hinge shaft (313) penetrates through the strip-shaped avoiding hole (3111);

the strip-shaped avoiding hole (3111) is suitable for avoiding displacement of the floating support (311) in the vertical direction when the floating support rotates, and transferring the movement of the floating support (311) in the horizontal direction to the elastic buffer component (32).

8. A shore bridge, comprising:

the door leg structure (10) comprises a sea side door leg (11) and a land side door leg (12) which are arranged at a set interval;

the crossbeam structure (50) comprises a sea side crossbeam (51) and a land side crossbeam (52), and two ends of the sea side crossbeam (51) are suitable for being connected with the two sea side door legs (11) at a set height respectively; both ends of the land side cross beam (52) are suitable for being connected with the two land side door legs (12) at the set height respectively; the beam structure (50) is adapted to be lifted to the set height by a lifting system of a shore bridge according to any of claims 1-7.

9. The shore bridge according to claim 8, further comprising a spacing adjustment device (20), the sea side gate leg (11) and the land side gate leg (12) being connected by an adjustable connection beam (13); the distance adjusting device (20) comprises a first connecting sleeve (21) fixedly arranged on the door leg structure (10), a second connecting sleeve (22) fixedly arranged on the adjustable connecting beam (13), a connecting rod (23) connected between the first connecting sleeve (21) and the second connecting sleeve (22), and an adjuster (24) arranged on the connecting rod (23) and suitable for adjusting and locking the positions of the first connecting sleeve (21) and the second connecting sleeve (22) on the connecting rod (23);

the adjuster (24) is adapted to adjust the distance between the two door leg structures (10) by adjusting the relative positions of the first connecting sleeve (21) and the second connecting sleeve (22) on the connecting rod (23) such that the door leg structures (10) and the adjustable connecting beam (13) are close to or far away from each other.

10. Shore bridge according to claim 9, characterized in that the connecting rod (23) is a threaded rod which runs through the interior of the first and second connecting sleeves (21, 22), and the adjuster (24) is an adjusting nut which is screwed onto the threaded rod.