CN113896094A

CN113896094A - Marine material hangs lifting hook solid locking mechanism

Info

Publication number: CN113896094A
Application number: CN202111247890.2A
Authority: CN
Inventors: 王应强; 叶�武; 陈博
Original assignee: Guangzhou Wenchong Shipyard Co Ltd
Current assignee: Guangzhou Wenchong Shipyard Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-01-07
Anticipated expiration: 2041-10-26
Also published as: CN113896094B

Abstract

The invention belongs to the technical field of marine lifting hook locking, and discloses a marine material lifting hook locking mechanism which comprises a lifting arm, a buffer component, a locking component and a lifting hook, wherein the bottom end of the lifting arm is provided with a mounting groove with a downward notch; the buffer assembly comprises a spring base, a bottom plate and a buffer pad, the spring base is arranged on the suspension arm, a spring is arranged in the spring base, and one end of the spring is fixedly connected with the spring base; the bottom plate is fixedly provided with a sliding piece, one end of the sliding piece, which is far away from the bottom plate, extends into the spring base and is fixedly connected with the other end of the spring, and the bottom plate is provided with a hanging plate through hole; the locking assembly comprises a bolt device fixedly connected with the suspension arm; the lifting hook comprises a lifting seat and a hook body, the hook body is arranged at the bottom of the lifting seat, the top surface of the lifting seat is matched with the shape of the bottom plate, and a hanging plate is arranged on the lifting seat. The lifting hook locking mechanism for the marine material crane is simple in overall structure, convenient to improve the existing lifting hook and the existing lifting arm, free of deck space occupation, capable of reducing the working strength of crews and prolonging the service life of a steel wire rope.

Description

Marine material hangs lifting hook solid locking mechanism

Technical Field

The invention relates to the technical field of marine lifting hook fixing and locking, in particular to a marine material lifting hook fixing and locking mechanism.

Background

In the shipping process of the ship, the material lifting hook needs to be properly fixed, so that the lifting hook is prevented from swinging, equipment is prevented from being damaged, or safety accidents are prevented. The existing fixing mode of the lifting hook of the marine material crane is that the lifting hook is pulled down and fixed on a deck by adopting lock sets such as a steel wire rope and a chain, the space of the deck is occupied, a connecting assembly is required to be arranged on the deck to assist in fixing the lifting hook, and the lifting hook is fixed and detached at every time and needs manual operation of a shipman, so that the lifting hook is troublesome. And higher to some loop wheel machines, especially translation formula material hangs, the flagging distance of lifting hook is far away, adopts above-mentioned fixed mode to be difficult to stabilize, can produce when the navigation rocks, leads to wire rope and pulley mechanism on the loop wheel machine to produce wearing and tearing, reduces the life who lifts by crane wire rope.

Disclosure of Invention

The invention aims to provide a locking mechanism for a marine material lifting hook, which aims to solve the problem that the marine material lifting hook is inconvenient to fix.

In order to achieve the purpose, the invention adopts the following technical scheme:

a marine material hangs lifting hook solid locking mechanism includes:

the bottom end of the suspension arm is provided with an installation groove with a downward notch;

a cushioning assembly, the cushioning assembly comprising:

the spring base is arranged on the suspension arm, a spring is arranged in the spring base, and one end of the spring is fixedly connected with the spring base;

the spring base is fixedly connected with the bottom plate, the bottom plate is fixedly provided with a sliding piece, one end of the sliding piece, far away from the bottom plate, extends into the spring base and is fixedly connected with the other end of the spring, and the bottom plate is provided with a hanging plate through hole;

the buffer cushion is made of elastic materials and is laid on the bottom plate;

the locking assembly comprises a bolt device, and the bolt device is fixedly connected with the suspension arm;

the lifting hook comprises a lifting seat and a hook body, the hook body is arranged at the bottom of the lifting seat, the top surface of the lifting seat is matched with the bottom plate in shape, and a hanging plate is arranged on the lifting seat; when the lifting hook is retracted, the hanging plate extends into the hanging plate via hole, the bolt device is locked with the hanging plate, and the lifting seat is abutted to the cushion pad.

Optionally, a steel wire rope through hole is formed in the bottom plate for a steel wire rope to pass through.

Optionally, the latching device is a hydraulic or electric telescopic latching device.

Optionally, the suspension arm is provided with two supporting plates at intervals, when the hanging plate extends into the hanging plate via hole, the hanging plate is inserted between the two supporting plates, and the hanging plate and the two supporting plates are fixed by inserting the pin device.

Optionally, a remote control module is arranged in the bolt device, and the remote control module can control starting and stopping of the bolt device.

Optionally, the cushion pad is fixedly connected to the base plate by a plurality of fasteners.

Optionally, the fastener includes a bolt and a nut, a counter bore is formed in the cushion pad, the bolt extends into the counter bore, one end of the bolt is in threaded connection with the bottom plate, and the other end of the bolt is in threaded connection with the nut.

Optionally, the fastener further comprises a washer, and the washer is sleeved on the bolt.

Optionally, the bottom plate and the top surface of the hanging seat are shaped like an isosceles trapezoid.

Optionally, the material of the cushion pad is rubber.

The invention has the beneficial effects that:

the locking mechanism for the lifting hook of the marine material crane is simple in integral structure, the existing lifting hook and the existing lifting arm are conveniently improved, the lifting hook can be retracted onto the lifting arm after not being used and is fixed with the lifting arm body, the deck space is not occupied, the working strength of a crew is reduced, the lifting hook is directly fixed with the lifting arm, the steel wire rope of the crane is prevented from being in a stressed state for a long time, and the service life of the steel wire rope is prolonged.

Drawings

FIG. 1 is a schematic diagram illustrating a state of a locking mechanism of a marine material lifting hook according to an embodiment of the present invention during a lifting operation;

FIG. 2 is a schematic view of a locking mechanism of a marine material lifting hook according to an embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view at A of FIG. 1;

FIG. 4 is an enlarged partial cross-sectional view taken at B in FIG. 2;

FIG. 5 is a top view of a cushioning assembly according to an embodiment of the present invention;

fig. 6 is a front view of the structure of the hook according to the embodiment of the present invention.

In the figure:

1. a suspension arm; 11. mounting grooves; 12. a support plate;

2. a buffer assembly; 21. a spring mount; 22. a base plate; 221. a slider; 222. a hanging plate is used for passing through a hole; 223. a steel wire rope is passed through a hole; 23. a cushion pad;

3. a locking assembly; 31. a latch device;

4. a hook; 41. a hanging seat; 411. hanging the plate; 42. hooking the body;

100. a fastener; 101. a bolt; 102. a nut; 103. a gasket.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in figures 1-6, the invention provides a locking mechanism for a marine material lifting hook, which comprises a suspension arm 1, a buffer component 2, a locking component 3 and a lifting hook 4. The bottom end of the suspension arm 1 is provided with a mounting groove 11 with a downward notch; the cushion assembly 2 includes a spring base 21, a base plate 22, and a cushion pad 23. The spring base 21 is arranged on the suspension arm 1, a spring is arranged in the spring base 21, and one end of the spring is fixedly connected with the spring base 21; a sliding part 221 is fixedly installed on the bottom plate 22, one end of the sliding part 221, which is far away from the bottom plate 22, extends into the spring base 21 and is fixedly connected with the other end of the spring, and a hanging plate through hole 222 is formed in the bottom plate 22; the cushion pad 23 is made of an elastic material and is laid on the bottom plate 22, and the cushion pad 23 is preferably a rubber pad made of rubber in this embodiment. The locking assembly 3 comprises a bolt device 31, and the bolt device 31 is fixedly connected with the suspension arm 1; the lifting hook 4 comprises a lifting seat 41 and a hook body 42, the hook body 42 is arranged at the bottom of the lifting seat 41, the top surface of the lifting seat 41 is matched with the bottom plate 22 in shape, and a hanging plate 411 is arranged on the lifting seat 41; when the hook 4 is retracted, the hanging plate 411 extends into the hanging plate through hole 222, the latch device 31 is locked with the hanging plate 411, and the hanging seat 41 is abutted to the cushion 23.

In this embodiment, as shown in fig. 3, when the lifting hook 4 is in the hoisting operation state, the spring in the spring base 21 is stressed and stretched, the bottom plate 22 is separated from the installation groove 11, when the lifting hook 4 is used to be fixed, the steel wire rope pulls the lifting hook 4 upwards, the hanging seat 41 abuts against the cushion pad 23, the hanging plate 411 extends into the hanging plate via hole 222, the bottom plate 22 is jacked into the installation groove 11, the spring in the spring base 21 is stressed and compressed, when the hanging seat 41 is lifted to a proper position, the latch device 31 is started to be locked with the hanging plate 411, and the lifting hook 4 is fixed with the suspension arm 1. In this embodiment, the buffer pad 23 can effectively reduce the impact force when the hanging seat 41 is retracted, and when the latch device 31 is locked and fixed with the hanging plate 411, the spring in the spring base 21 provides resilience for the buffer pad 23, so as to ensure that the suspension arm 1, the suspension arm 4 and the buffer pad 23 are in close contact in a fixed state, and the loosening phenomenon cannot occur. In addition, when the lifting hook 4 and the suspension arm 1 are fixed through the bolt device 31, the brake device on the raw material suspension can be loosened, the steel wire rope is prevented from being in a stressed state for a long time, and the service life of the steel wire rope is prolonged.

Optionally, a steel wire rope through hole 223 is formed in the bottom plate 22 for the steel wire rope to pass through. In this embodiment, as shown in fig. 5, the two oblique side surfaces of the bottom plate 22 are both provided with steel wire rope through holes 223, so as to facilitate the arrangement of the steel wire ropes.

Optionally, the latch device 31 in this embodiment is a hydraulic or electric telescopic latch device, and the latch device 31 is a component commonly used in the art, and the detailed structure and principle thereof are not described in this embodiment again.

Optionally, two support plates 12 are arranged on the suspension arm 1 at intervals, when the hanging plate 411 extends into the hanging plate via hole 222, the hanging plate 411 is inserted between the two support plates 12, and the hanging plate 411 and the two support plates 12 are inserted and fixed by the latch device 31. In this embodiment, as shown in fig. 4, two supporting plates 12 are disposed on the boom 1 at intervals, when the hook 4 is fixed, the pin end of the pin device 31 passes through the hanging plate 411 and the two supporting plates 12, and the two supporting plates 12 are disposed at two sides of the hanging plate 411 to effectively prevent the pin end of the pin device 31 from being bent due to uneven stress, thereby ensuring the locking stability.

Optionally, a remote control module is provided in the latch device 31, and the remote control module can control the start and stop of the latch device 31. The remote control module is arranged in the bolt device 31 in the embodiment, when the lifting hook 4 is lifted in place, a crew can remotely control the bolt end of the bolt device 31 to stretch into or stretch out of the hanging plate 411 and the two supporting plates 12 to fixedly lock or unlock the lifting hook 4, and the operation safety of the crew on the deck can be ensured conveniently.

Alternatively, as shown in FIG. 3, the cushion pad 23 is fixedly attached to the base plate 22 by a plurality of fasteners 100. The fastener 100 comprises a bolt 101, a nut 102 and a washer 103, a counter bore is formed in the cushion pad 23, the bolt 101 extends into the counter bore, one end of the bolt 101 is in threaded connection with the bottom plate 22, and the other end of the bolt 101 is in threaded connection with the nut 102 and is sleeved on the bolt 101 through the washer 103. The cushion pad 23 and the bottom plate 22 in this embodiment are detachably connected by a plurality of fasteners 100, so that the cushion pad 23 can be conveniently repaired and replaced.

Optionally, the bottom plate 22 and the top surface of the hanging seat 41 are shaped like an isosceles trapezoid. The shape of the bottom plate 22 in this embodiment is matched with the shape of the top surface of the hanging seat 41, and the shape of the cushion pad 23 is also matched with the shape of the bottom plate 22, which is not limited to the isosceles trapezoid shown in the drawings of this embodiment, and the shapes of the rest shapes such as the taper shape, which are matched with each other and are convenient to store and release, are also applicable.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. 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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a marine material hangs lifting hook solid locking mechanism which characterized in that includes:

the suspension arm (1), the bottom end of the suspension arm (1) is provided with a mounting groove (11) with a downward notch;

a cushioning assembly (2), the cushioning assembly (2) comprising:

the spring base (21) is installed on the suspension arm (1), a spring is arranged in the spring base (21), and one end of the spring is fixedly connected with the spring base (21);

the spring base is characterized by comprising a base plate (22), wherein a sliding piece (221) is fixedly mounted on the base plate (22), one end, far away from the base plate (22), of the sliding piece (221) extends into the spring base (21) and is fixedly connected with the other end of the spring, and a hanging plate through hole (222) is formed in the base plate (22);

the buffer pad (23), the said buffer pad (23) is made of elastic material, lay on the said bottom plate (22);

the locking assembly (3), the locking assembly (3) comprises a bolt device (31), and the bolt device (31) is fixedly connected with the suspension arm (1);

the lifting hook (4), the lifting hook (4) comprises a lifting seat (41) and a hook body (42), the hook body (42) is installed at the bottom of the lifting seat (41), the top surface of the lifting seat (41) is matched with the bottom plate (22) in shape, and a hanging plate (411) is arranged on the lifting seat (41); when the lifting hook (4) is folded, the hanging plate (411) extends into the hanging plate via hole (222), the bolt device (31) is locked with the hanging plate (411), and the hanging seat (41) is abutted to the cushion pad (23).

2. A marine material lifting hook locking mechanism as claimed in claim 1, wherein the base plate (22) is provided with a steel wire rope through hole (223) for a steel wire rope to pass through.

3. A marine material lifting hook locking mechanism as claimed in claim 1, wherein the latch means (31) is a hydraulic or electric telescopic latch means.

4. The marine material lifting hook locking mechanism according to claim 1, wherein two support plates (12) are arranged on the lifting arm (1) at intervals, when the hanging plate (411) extends into the hanging plate through hole (222), the hanging plate (411) is inserted between the two support plates (12), and the hanging plate (411) and the two support plates (12) are fixed by inserting the pin device (31).

5. A marine material lifting hook locking mechanism as claimed in claim 1, characterized in that a remote control module is arranged in the latch means (31), and the remote control module can control the on/off of the latch means (31).

6. A marine material lifting hook locking mechanism as claimed in claim 1, wherein the bumper pad (23) is fixedly connected to the base plate (22) by a plurality of fasteners (100).

7. The locking mechanism of a marine material lifting hook according to claim 6, wherein the fastener (100) comprises a bolt (101) and a nut (102), the cushion pad (23) is provided with a counter bore, the bolt (101) extends into the counter bore, one end of the bolt is in threaded connection with the bottom plate (22), and the other end of the bolt is in threaded connection with the nut (102).

8. The marine material lifting hook locking mechanism as claimed in claim 7, wherein the fastener (100) further comprises a washer (103), and the washer (103) is sleeved on the bolt (101).

9. A marine material lifting hook locking mechanism as claimed in claim 1, wherein the shape of the top surfaces of the base plate (22) and the lifting seat (41) is isosceles trapezoid.

10. A marine material lifting hook locking mechanism as claimed in claim 1 wherein the material of the bumper pad (23) is rubber.