CN214611244U

CN214611244U - Cantilever crane backward moving type floating crane ship

Info

Publication number: CN214611244U
Application number: CN202120795017.6U
Authority: CN
Inventors: 戴永祥; 张枫
Original assignee: Nantong Zhiyuan Ship Design Co ltd
Current assignee: Nantong Zhiyuan Ship Design Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-05
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a formula floating crane ship is moved behind cantilever crane uses in the crane ship field, and its technical scheme main points are: the ship comprises a ship body, a clamping plate platform and a traction frame, wherein the clamping plate platform and the traction frame are arranged on the ship body; a suspension arm base is matched on the splint platform in a sliding way along the length direction of the splint platform, and a lifting arm is rotatably connected on the suspension arm base; the clamp plate platform is provided with a guide component for guiding the suspension arm base to slide, a traction component for drawing the suspension arm base to slide and a positioning component for limiting the position of the suspension arm base; the guide assembly comprises a fixed guide rail and a lifting guide rail, the bottom of the suspension arm base is rotatably connected with traveling wheels matched with the fixed guide rail and the lifting guide rail, the bottom of the suspension arm base is provided with a supporting block, and the bottom surface of the supporting block is lower than the lowest point of the traveling wheels; the lifting arm base can move backwards to the stern so that the lifting arm can be laid down horizontally, the windward side of the lifting arm is well reduced, and stable sailing of a ship body is facilitated.

Description

Cantilever crane backward moving type floating crane ship

Technical Field

The utility model relates to a field, in particular to cantilever crane formula floating crane ship that moves backward.

Background

At present, chinese patent application publication No. CN112125177A discloses a crane ship, which includes a hull and a crane, and is disposed at one end of the hull; the auxiliary ship bodies are arranged at one end of the ship body provided with the crane; the two auxiliary hulls are arranged at one end of the hull provided with the crane; the two auxiliary ship bodies are symmetrically distributed on two sides of the center line of the ship body, and a pile sinking positioning frame is suitable to be placed between the two auxiliary ship bodies.

In ocean construction work engineering, a floating crane ship is often required to be adopted for hoisting construction work, a crane arm of a conventional crane ship is vertically arranged on a ship body, and in the process of ship body navigation, the crane arm is large in windward side and large in wind resistance, so that stability of ship body navigation is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a formula floating crane ship is moved behind cantilever crane, its advantage is davit base can move backward to the stern to the davit can keep flat get off, thereby the better windward side that has reduced the davit, the stable navigation of the hull of being convenient for.

The above technical purpose of the present invention can be achieved by the following technical solutions: a floating crane ship with a backward-moving arm support comprises a ship body, a deck platform and a traction frame, wherein the deck platform and the traction frame are arranged on the ship body;

a suspension arm base is matched on the deck platform in a sliding manner along the length direction of the deck platform, and a lifting arm is rotatably connected to the suspension arm base;

the deck platform is provided with a guide component for guiding the suspension arm base to slide, a traction component for drawing the suspension arm base to slide and a positioning component for limiting the position of the suspension arm base;

the guide assembly comprises a fixed guide rail arranged along the length direction of the deck platform and a lifting guide rail arranged in a sliding mode along the vertical direction, the bottom of the suspension arm base is rotatably connected with a walking wheel matched with the fixed guide rail and the lifting guide rail, a supporting block is arranged at the bottom of the suspension arm base, and the bottom surface of the supporting block is lower than the lowest point of the walking wheel.

Through the technical scheme, the deck platform is used for placing the traction frame, the suspension arm base, the guide assembly, the traction assembly, the positioning assembly and the like; the traction frame is used for drawing the lifting arm to rotate on the lifting arm base, and the lifting arm is used for lifting an object; the guide assembly is used for guiding the suspension arm base to slide, the lifting guide rail and the fixed guide rail can be combined together, and the travelling wheels are used for being matched with the fixed guide rail and the lifting guide rail, so that the suspension arm base can slide along the length direction of the deck platform conveniently; the supporting blocks are used for supporting the suspension arm base after the lifting guide rail slides downwards, and the suspension arm base can be placed more stably due to the contact of the supporting blocks and the deck platform; the traction assembly is used for sliding the suspension arm base along the length direction of the deck platform, so that the suspension arm base can stably slide to the bow or stern of the ship; after the suspension arm base is pulled to the stern by the traction assembly, the lifting arm can rotate to a horizontal state, and the lifting arm can be horizontally placed above a deck, so that the windward side is well reduced, and the stable sailing of the ship body is facilitated.

The utility model discloses further set up to: a lifting jack is fixed below the deck platform, and a piston rod of the lifting jack is connected with a lifting guide rail;

the both ends of lift guide rail have all been seted up and have been slided the groove, all be equipped with on fixed guide rail and the deck platform with slide the groove complex guide piece that slides.

Through above-mentioned technical scheme, lifting jack is used for promoting the lifting guide to slide along vertical direction, and the cooperation of sliding of groove and guide block that slides is used for guiding the stable vertical direction of following of lifting guide to lifting guide more accurate with the fixed guide butt joint, thereby more steady when davit base removes.

The utility model discloses further set up to: the one end that the movable guide rail was kept away from to the fixed guide rail is equipped with the stern limiting plate with deck platform fixed connection, the one end that the movable guide rail was kept away from the fixed guide rail is equipped with the bow limiting plate with deck platform fixed connection.

Through the technical scheme, the stern limiting plate and the bow limiting plate are respectively used for limiting the suspension arm base at the bow and the stern.

The utility model discloses further set up to: the positioning assembly comprises a positioning plate arranged on the suspension arm base and a limiting plate arranged on the deck, and the limiting plate is arranged on one side close to the lifting guide rail;

the positioning plate is provided with a plurality of positioning holes, the limiting plate is provided with a plurality of limiting holes, and limiting bolts are inserted into the limiting holes; the distance from the positioning hole to the bottom of the supporting block is equal to the distance from the limiting hole to the deck platform.

Through the technical scheme, the limiting bolt penetrates through the limiting hole and the positioning hole simultaneously, the limiting plate and the positioning plate can be fixed relatively together, and therefore the suspension arm base and the deck platform are fixed relatively together, and the suspension arm base can be lifted more stably.

The utility model discloses further set up to: the positioning assembly comprises a locking plate, a locking latch and a positioning latch, the locking latch is rotatably connected with the deck platform, the locking latch is arranged on one side, facing the suspension arm base, of the locking plate, and the positioning latch is arranged on one side, facing the locking plate, of the suspension arm base;

the locking latch and the positioning latch are uniformly arranged in a plurality of, along the length direction of the deck platform.

Through the technical scheme, the locking plate is used for arranging a plurality of locking latch teeth, and the locking latch teeth and the positioning latch teeth are mutually occluded, so that the suspension arm base can be stably and fixedly connected with the deck; the locking plate is rotatably connected with the deck, so that the locking latch and the positioning latch can be conveniently driven to be occluded or separated.

The utility model discloses further set up to: and one side of the locking latch, which is far away from the locking plate, is provided with a guide surface which is obliquely arranged.

Through above-mentioned technical scheme, the spigot surface is arranged in the guide locking latch inserts and establishes the clearance between the positioning latch to be convenient for more the interlock each other of locking latch and positioning latch.

The utility model discloses further set up to: and a driving jack is arranged between the locking plate and the deck platform, and a piston rod and a cylinder body part of the driving jack are respectively and rotatably connected with the deck platform and the locking plate.

Through above-mentioned technical scheme, the drive jack is used for promoting the lockplate and rotates towards the direction of being close to the davit base, and the drive jack has better auto-lock performance moreover for locking latch and location latch can the interlock more stable.

The utility model discloses further set up to: the traction assembly comprises a tail winch arranged at the stern and a head winch arranged at the bow, and steel cables on the tail winch and the head winch are connected with the suspension arm base.

Through the technical scheme, the head winch is used for pulling the suspension arm base towards the bow of the ship, and the tail winch is used for pulling the suspension arm base towards the stern; when the suspension arm base needs to move to the stern, the tail winch works to pull the suspension arm base towards the stern, and meanwhile, the head winch plays a role in braking, so that the situation that the suspension arm base is collided to the stern too fast due to the shaking of the ship body is avoided; thereby enabling the boom base to move more stably toward the bow or stern of the vessel.

To sum up, the utility model discloses following beneficial effect has:

1. the suspension arm base can slide to the stern along the fixed guide rail and the lifting guide rail, so that the suspension arm can be conveniently lifted and laid on the deck platform when not used, and the windward side of the suspension arm is better reduced, so that the ship body can sail conveniently;

2. the direction of lockplate orientation davit base rotates, can be convenient insert the locking latch on the lockplate and establish into the clearance of location latch to with the firm locking of davit base on the deck platform, so that when lifting by crane article more stable.

Drawings

FIG. 1 is a schematic structural view of the whole of embodiment 1;

FIG. 2 is a schematic structural view of a pulling assembly and a positioning assembly of embodiment 1;

FIG. 3 is a schematic structural view of a guide assembly of embodiment 1;

FIG. 4 is a schematic structural view showing the positional relationship between the support block and the road wheel in embodiment 1;

fig. 5 is a schematic structural view of the lifting jack and the lifting rail in a disassembled state in embodiment 1;

fig. 6 is a schematic structural view of the positioning assembly of embodiment 2.

Reference numerals: 1. a hull; 2. a deck platform; 3. a traction frame; 4. a boom base; 5. lifting the suspension arm; 6. a guide assembly; 7. a traction assembly; 8. a positioning assembly; 9. fixing the guide rail; 10. a lifting guide rail; 11. a traveling wheel; 12. a support block; 13. lifting jacks; 14. a sliding groove; 15. a guide block; 16. a stern limiting plate; 17. a bow limiting plate; 18. positioning a plate; 19. a limiting plate; 20. positioning holes; 21. a limiting hole; 22. a limiting bolt; 23. a locking plate; 24. locking the latch; 25. positioning latch teeth; 26. a guide surface; 27. driving the jack; 28. a tail winch; 29. a head hoist.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1, a boom-backward-moving type floating crane ship includes a hull 1, a deck platform 2 fixedly disposed on the hull 1, and a towing bracket 3 fixedly disposed on the deck platform 2, wherein the towing bracket 3 is fixedly connected to a stern by bolts; the deck platform 2 is matched with two suspension arm bases 4 in a sliding mode, the suspension arm bases 4 are arranged in a sliding mode along the length direction of the deck platform 2, the two suspension arm bases 4 are arranged along the width direction of the deck platform 2, and the two suspension arm bases 4 are connected with lifting arms 5 in a rotating mode.

Referring to fig. 2 and 3, the deck platform 2 is provided with a guide assembly 6, a traction assembly 7 and a positioning assembly 8; the guide assembly 6 is used for guiding the sliding of the boom base 4, so that the sliding of the boom base 4 is more stable; the traction assembly 7 is used for dragging the suspension arm base 4 to slide, and the positioning assembly 8 is used for placing the suspension arm base 4 on the deck.

Referring to fig. 2, the towing assembly 7 includes a tail winch 28 and a head winch 29, the tail winch 28 is disposed at the stern, the head winch 29 is disposed at the bow, and the wire ropes on the tail winch 28 and the head winch 29 are connected to the boom base 4; the head hoist 29 can pull the boom base 4 towards the bow when working, and the tail hoist 28 can be used as a brake to brake, so that the boom base 4 is prevented from sliding too fast, or the boom base 4 is prevented from sliding towards the bow when the ship body 1 shakes too fast; when the boom base 4 needs to be moved aft, the tail hoist 28 is operated while the head hoist 29 is held down as a brake.

Referring to fig. 3 and 4, the guide assembly 6 includes a fixed rail 9 and a lifting rail 10, the fixed rail 9 and the lifting rail 10 have the same cross section, and the lifting rail 10 and the fixed rail 9 can be butted to form a single rail; the bottom of the suspension arm base 4 is rotatably connected with a traveling wheel 11, and the traveling wheel 11 is matched with a fixed guide rail 9 and a lifting guide rail 10; the bottom of the suspension arm base 4 is welded with a supporting block 12, and the bottom surface of the supporting block 12 is lower than the lowest point of the travelling wheels 11. A stern limiting plate 16 is arranged at the position, close to the stern, of the deck platform 2, a bow limiting plate 17 is arranged at the position, close to the bow, of the deck platform 2, the bow limiting plate 17 and the stern limiting plate 16 are both higher than the fixed guide rails 9, and the stern limiting plate 16 and the bow limiting plate 17 are used for limiting the sliding range of the suspension arm base 4 in the length direction of the deck platform 2.

Referring to fig. 5, a fixed guide rail 9 is bolted to the deck platform 2, a lifting guide rail 10 is arranged in a sliding manner along the vertical direction, sliding grooves 14 are formed in both ends of the lifting guide rail 10, and the sliding grooves 14 penetrate through the deck platform along the vertical direction; one end of the fixed guide rail 9 facing the lifting guide rail 10 is integrally provided with a guide block 15 matched with the sliding groove 14 in a sliding manner, and the deck platform 2 is also welded with the guide block 15 matched with the sliding groove 14 in a sliding manner.

Referring to fig. 5, a containing groove is formed in the deck platform 2, the lifting guide rail 10 is placed in the containing groove after being lowered, a lifting jack 13 is arranged in the containing groove, and a piston rod and a cylinder body of the lifting jack 13 are respectively connected with the lifting guide rail 10 and the bottom of the containing groove; four lifting jacks 13 are uniformly arranged below each lifting guide rail 10.

Referring to fig. 2 and 3, the positioning assembly 8 includes positioning plates 18 and limiting plates 19, the positioning plates 18 are welded on both sides of the boom base 4, the limiting plates 19 are welded on the deck, and the limiting plates 19 are disposed on one side near the lifting guide rail 10; a plurality of positioning holes 20 are formed in the positioning plate 18, a plurality of limiting holes 21 are formed in the limiting plate 19, and limiting bolts 22 are inserted in the limiting holes 21 in a penetrating manner; when the boom base 4 is moved to the lifting guide rail 10 and the supporting block 12 is placed on the deck platform 2, the positioning hole 20 and the limiting hole 21 are coaxially arranged, so that the limiting bolt 22 can be simultaneously inserted into the positioning hole 20 and the limiting hole 21, and the boom base 4 and the deck can be relatively stably fixed together.

Example 2:

referring to fig. 6, a boom-retreating floating crane vessel differs from embodiment 1 in that a positioning assembly 8 includes a locking plate 23, a locking latch 24 and a positioning latch 25, the locking plate 23 is rotatably connected to the deck platform 2, the locking plate 23 is provided on each of two sides of the boom base 4, and the positioning latch 25 is provided on each of two sides of the boom base 4 facing the locking plate 23; the locking latch 24 is arranged on one side of the locking plate 23 facing the boom base 4, four locking latches 24 are arranged in each group, three positioning latches 25 are arranged in each group, and the locking latches 24 and the positioning latches 25 are arranged in a staggered and meshed mode; the side of the locking latch 24 facing the boom base 4 is provided with a guide surface 26, which guide surface 26 is arranged obliquely.

Referring to fig. 6, a driving jack 27 is arranged between the locking plate 23 and the deck platform 2, and a piston rod and a cylinder part of the driving jack 27 are respectively connected with the locking plate 23 and the deck platform 2 in a rotating way; when the boom base 4 moves to the lifting guide rail 10 and the support block 12 is placed on the deck platform 2, the driving jack 27 pushes the locking plate 23 to rotate, so that the locking plate 23 is vertically arranged, the locking latch 24 and the positioning latch 25 are engaged with each other, and the boom base and the deck platform 2 are relatively fixed together.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A boom backward-moving type floating crane ship comprises a ship body (1), a deck platform (2) and a traction frame (3), wherein the deck platform is arranged on the ship body (1), and the traction frame (3) is fixedly arranged at the stern;

the deck platform is characterized in that a suspension arm base (4) is matched on the deck platform (2) in a sliding mode along the length direction of the deck platform, and a lifting arm (5) is connected to the suspension arm base (4) in a rotating mode;

a guide assembly (6) for guiding the suspension arm base (4) to slide, a traction assembly (7) for drawing the suspension arm base (4) to slide and a positioning assembly (8) for limiting the position of the suspension arm base (4) are arranged on the deck platform (2);

the guide assembly (6) comprises a fixed guide rail (9) arranged along the length direction of the deck platform (2) and a lifting guide rail (10) arranged in a sliding mode along the vertical direction, the bottom of the suspension arm base (4) is rotatably connected with a walking wheel (11) matched with the fixed guide rail (9) and the lifting guide rail (10), a supporting block (12) is arranged at the bottom of the suspension arm base (4), and the bottom surface of the supporting block (12) is lower than the lowest point of the walking wheel (11).

2. The floating crane vessel with the backward-moving arm support as claimed in claim 1, wherein a lifting jack (13) is fixed below the deck platform (2), and a piston rod of the lifting jack (13) is connected with the lifting guide rail (10);

both ends of the lifting guide rail (10) are provided with sliding grooves (14), and the fixed guide rail (9) and the deck platform (2) are provided with guide blocks (15) which are matched with the sliding grooves (14) in a sliding mode.

3. The floating crane vessel with the backward-moving arm support as claimed in claim 1, wherein a stern limiting plate (16) fixedly connected with the deck platform (2) is arranged at one end of the fixed guide rail (9) far away from the movable guide rail, and a bow limiting plate (17) fixedly connected with the deck platform (2) is arranged at one end of the movable guide rail far away from the fixed guide rail (9).

4. A boom retrusive floating crane vessel according to claim 1, wherein the positioning assembly (8) comprises a positioning plate (18) arranged on the boom base (4) and a limiting plate (19) arranged on the deck, the limiting plate (19) being on the side near the lifting guide rail (10);

a plurality of positioning holes (20) are formed in the positioning plate (18), a plurality of limiting holes (21) are formed in the limiting plate (19), and limiting bolts (22) are inserted into the limiting holes (21); the distance from the positioning hole (20) to the bottom of the supporting block (12) is equal to the distance from the limiting hole (21) to the deck platform (2).

5. The boom retrusive floating crane vessel according to claim 1, wherein the positioning assembly (8) comprises a locking plate (23) rotatably connected to the deck platform (2), a locking latch (24) and a positioning latch (25), the locking latch (24) being arranged on a side of the locking plate (23) facing the boom base (4), the positioning latch (25) being arranged on a side of the boom base (4) facing the locking plate (23);

locking latch (24) and location latch (25) are all evenly equipped with a plurality ofly along the length direction of deck platform (2), and are a plurality of locking latch (24) and location latch (25) interlock setting each other.

6. A jib-reach floating crane vessel according to claim 5, wherein the side of the locking latch (24) remote from the locking plate (23) is provided with an obliquely arranged guide surface (26).

7. A boom retrusive floating crane vessel according to claim 5, wherein a drive jack (27) is arranged between the locking plate (23) and the deck platform (2), and a piston rod and a cylinder part of the drive jack (27) are rotatably connected with the deck platform (2) and the locking plate (23), respectively.

8. The floating crane vessel with the boom moving backwards as claimed in any one of claims 1-7, characterised in that the towing assembly (7) comprises a tail hoist (28) arranged at the stern and a head hoist (29) arranged at the bow, the cables of the tail hoist (28) and the head hoist (29) being connected to the boom base (4).