CN217458620U

CN217458620U - Hoisting anti-falling winch for loading and unloading assault boat

Info

Publication number: CN217458620U
Application number: CN202221359144.2U
Authority: CN
Inventors: 徐哲; 关先恒
Original assignee: Guangzhou Hongshen Mach & Eqpt Co ltd
Current assignee: Guangzhou Hongshen Mach & Eqpt Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-20
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a charging boat loading and unloading are with hoist and mount anti-falling winch belongs to hoist and mount winch technical field, including the mount, the mount internal rotation is provided with first bull stick, second bull stick and subassembly connection, the outside fixed cover of first bull stick is equipped with the wind-up roll, be provided with anti-falling mechanism on the second bull stick; prevent weighing down the mechanism including fixing supporting seat and the torsional spring on the second bull stick, the symmetry articulates on the supporting seat has pawl subassembly, pawl subassembly's free end passes through pawl extension spring and is connected with the supporting seat, the outside of supporting seat be provided with pawl subassembly assorted ratchet subassembly, ratchet subassembly passes through the set casing and is connected with the supporting seat rotation, the torsional spring is kept away from the one end of second bull stick and is connected with ratchet subassembly. In the process of falling prevention, the acting force of certain gravity acceleration is absorbed through the torsion spring, so that the impact of the counter force to equipment when the pawl assembly is in rigid contact with the ratchet wheel assembly is avoided, and the safety coefficient is higher.

Description

Hoisting anti-falling winch for loading and unloading of assault boat

Technical Field

The utility model belongs to the technical field of the hoist and mount winch, concretely relates to charging boat loading and unloading are with hoist and drop-proof winch.

Background

The existing winch for loading and unloading the assault boat usually adopts a structure that a ratchet wheel pawl rubs a brake pad to lock a brake, for example, a patent with the publication number of CN206664866U, after the assault boat is lifted during operation, the brake pads on two sides of the ratchet wheel are pressed tightly through a threaded gear, and the brake self-locking is carried out under the action of an anti-reverse pawl, but the technology has the following safety risks:

1. when the threaded gear is clamped with the threaded shaft, the brake pads on the two sides of the ratchet wheel cannot be pressed tightly;

2. the brake pad is mostly made of asbestos materials, and becomes thin after being repeatedly used, so that the brake performance is slowly lost;

3. the anti-reverse pawl is supported by spring force and locked with the ratchet wheel, and the spring can generate faults of rusting, falling, blocking and the like after being used for a long time.

These safety risks can cause brake failure, resulting in acceleration of the lifted submachine boat falling, which can cause serious damage to equipment and operators.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a wind winch is prevented weighing down by hoist for loading and unloading of charge boat, when charge boat drives the haulage rope and falls fast, throw pawl subassembly fast through centrifugal force, and the cooperation through pawl subassembly and ratchet subassembly, with the effect on the torsional spring, the torsional spring absorbs certain acceleration of gravity's effort at charge boat in-process that falls, thereby the impact that the counter-force when having avoided pawl subassembly and ratchet subassembly rigid contact led to the fact equipment, the torsional spring prevents the second bull stick to rotate behind rotatory certain angle, charge boat stops to fall. The safety coefficient of the anti-falling mechanism is higher.

The purpose of the utility model can be realized by the following technical scheme:

a lifting anti-falling winch for assembling and disassembling a assault boat comprises a fixed frame, wherein a first rotating rod and a second rotating rod are arranged in the fixed frame in a rotating mode and are connected through a connecting assembly, a winding roller is fixedly sleeved on the outer side of the first rotating rod and is rotatably connected with the fixed frame through a mounting frame, one end of the second rotating rod penetrates through the fixed frame and is connected with a rocker, and an anti-falling mechanism is arranged on the second rotating rod;

prevent weighing down the mechanism including fixing supporting seat and the torsional spring on the second bull stick, the symmetry articulates on the supporting seat has pawl subassembly, pawl subassembly's free end passes through pawl extension spring and supporting seat connection, the outside of supporting seat be provided with pawl subassembly assorted ratchet subassembly, ratchet subassembly passes through the set casing and is connected with the supporting seat rotation, the torsional spring is kept away from the one end and the ratchet subassembly of second bull stick and is connected.

As a preferred technical scheme of the utility model, pawl subassembly is including the pawl board that the symmetry set up, two the pawl board is connected through a plurality of connecting rods, two the pawl board all is connected with the pawl extension spring.

As an optimal technical scheme of the utility model, the ratchet subassembly includes two floating ratchets that set up on the set casing inner wall, two the ratchet and two pawl board one-to-one float, the ratchet phase-match that floats and correspond, two the ratchet that floats all is connected with the torsional spring.

As a preferred technical scheme of the utility model, coupling assembling is including setting up the action wheel on the second bull stick and setting up the follow driving wheel on first bull stick, it is provided with the third bull stick to rotate between first bull stick and the second bull stick, be provided with first drive wheel and second drive wheel on the third bull stick, first drive wheel with from the driving wheel meshing, the second drive wheel meshes with the action wheel.

As an optimal technical scheme of the utility model, be provided with the antiskid cover on the rocker.

As a preferred technical scheme of the utility model, top one side of mount is provided with the mounting panel.

The utility model has the advantages that:

when the submachine boat drives the haulage rope and falls fast, throw out pawl subassembly fast through centrifugal force to through pawl subassembly and ratchet subassembly's mating reaction, with the effort on the torsional spring, the torsional spring absorbs certain acceleration of gravity's effort at the submachine boat in-process that falls, thereby the counter-force when having avoided pawl subassembly and ratchet subassembly rigid contact is to the impact that equipment caused, the torsional spring stops the second bull stick to rotate after rotatory certain angle, the submachine boat stops to fall. The safety coefficient of the anti-falling mechanism is higher.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a schematic view of the internal structure of the fall arrest mechanism;

FIG. 4 is an internal cross-sectional view of the fall arrest mechanism;

description of the main element symbols:

in the figure: 1. a fixed mount; 2. a first rotating lever; 3. a second rotating rod; 4. a connecting assembly; 41. a driving wheel; 42. a driven wheel; 43. a third rotating rod; 44. a first drive pulley; 45. a second transmission wheel; 5. an anti-falling mechanism; 51. a supporting seat; 52. a pawl assembly; 521. a pawl plate; 53. a ratchet assembly; 531. a floating ratchet wheel; 54. a pawl tension spring; 55. a torsion spring; 6. a wind-up roll; 7. mounting a plate; 8. a rocker.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-4, a lifting anti-falling winch for loading and unloading a assault boat comprises a fixed frame 1, wherein a first rotating rod 2 and a second rotating rod 3 are rotatably arranged in the fixed frame 1, the first rotating rod 2 and the second rotating rod 3 are connected through a connecting assembly 4, a winding roller 6 is fixedly sleeved on the outer side of the first rotating rod 2, the winding roller 6 is rotatably connected with the fixed frame 1 through a mounting frame, one end of the second rotating rod 3 penetrates through the fixed frame 1 and is connected with a rocker 8, and an anti-falling mechanism 5 is arranged on the second rotating rod 3;

prevent weighing down mechanism 5 is including fixing supporting seat 51 and torsional spring 55 on second bull stick 3, the symmetry articulates on the supporting seat 51 has pawl subassembly 52, pawl subassembly 52's free end passes through pawl extension spring 54 and is connected with supporting seat 51, the outside of supporting seat 51 is provided with the ratchet subassembly 53 with pawl subassembly 52 assorted, ratchet subassembly 53 rotates with supporting seat 51 through the set casing to be connected, the one end that second bull stick 3 was kept away from to torsional spring 55 is connected with ratchet subassembly 53.

And an anti-skid sleeve is arranged on the rocker 8.

And a mounting plate 7 is arranged on one side of the top end of the fixing frame 1.

In this embodiment, the hoist and mount winch uses in pairs, fixes the assault boat through the hoist and mount frame during the use, and it is fixed that the haulage rope is passed through at the both ends of hoist and mount frame, and the other end of two haulage ropes passes corresponding fixed bolster after-fixing on the wind-up roll 6 that corresponds the hoist and mount winch. The internal structure of the two hoisting winches is identical and only one of them will be described in detail below.

Rotate through rocking the rocker 8 and drive second bull stick 3 and rotate to through the connection effect of coupling assembling 4, drive first bull stick 2 syntropy and rotate, tighten up or loosen the haulage rope through wind-up roll 6, and then hang or put down the assault boat. In the normal loading and unloading process, the anti-falling mechanism 5 does not act; when the assault boat drives the haulage rope and falls fast, the haulage rope drives wind-up roll 6 and first bull stick 2 fast rotation to through coupling assembling 4's connection effect, pass on second bull stick 3 with the pulling force of haulage rope, pawl component 52 throws out fast under the effect of centrifugal force this moment, and with ratchet component 53 contact, ratchet component 53 takes place to rotate and with the effect to torsional spring 55 on, torsional spring 55 prevents second bull stick 3 to rotate after rotatory certain angle, the assault boat stops to fall.

Through setting up torsional spring 55, make torsional spring 55 absorb certain gravity acceleration's effort at the assault boat in-process that falls to counter-force when having avoided pawl subassembly 52 and ratchet subassembly 53 rigid contact causes the impact to equipment.

By arranging the anti-slip sleeve on the rocker 8, slipping of the hand when the rocker 8 is rotated is avoided.

The device is convenient to install by arranging the mounting plate 7 at the top end of the fixing frame 1.

Specifically, the pawl assembly 52 includes pawl plates 521 symmetrically arranged, two of the pawl plates 521 are connected by a plurality of connecting rods, and both of the pawl plates 521 are connected with the pawl tension spring 54.

The ratchet assembly 53 comprises two floating ratchets 531 arranged on the inner wall of the fixed shell, the two floating ratchets 531 correspond to the two pawl plates 521 one by one, the floating ratchets 531 are matched with the corresponding pawl plates 521, and the two floating ratchets 531 are connected with the torsion springs 55.

In this embodiment, by providing two pawl plates 521 and two floating ratchets 531, the pawl plates 521 contact with the corresponding floating ratchets 531 in the process of rapid ejection, and both the floating ratchets 531 rotate and apply force to the torsion spring 55, so that the safety coefficient in the braking process is higher.

Specifically, coupling assembling 4 is including setting up the action wheel 41 on second bull stick 3 and setting up the follow driving wheel 42 on first bull stick 2, it is provided with third bull stick 43 to rotate between first bull stick 2 and the second bull stick 3, be provided with first drive wheel 44 and second drive wheel 45 on the third bull stick 43, first drive wheel 44 meshes with from driving wheel 42, second drive wheel 45 meshes with action wheel 41.

In this embodiment, the second rotating rod 3 drives the driving wheel 41 to rotate when rotating, then drives the second driving wheel 45, the third rotating rod 43 and the first driving wheel 44 to rotate through the meshing action of the driving wheel 41 and the second driving wheel 45, and drives the driven wheel 42 and the first rotating rod 2 to rotate through the meshing action of the first driving wheel 44 and the driven wheel 42, so as to realize the equidirectional rotation of the first rotating rod 2 and the second rotating rod 3; similarly, when the first rotating rod 2 rotates, the second rotating rod 3 can also be driven to rotate.

The utility model discloses a theory of operation and use flow:

in the normal loading and unloading process of the assault boat, the anti-falling mechanism 5 does not act, when the assault boat drives the traction rope to rapidly fall, the traction rope drives the wind-up roll 6 and the first rotating rod 2 to rapidly rotate, the tension of the traction rope is transmitted to the second rotating rod 3 through the connection effect of the connecting component 4, at the moment, the pawl component 52 is rapidly thrown out under the action of centrifugal force, the pawl plate 521 is in contact with the corresponding floating ratchet 531 in the rapid throwing process, the two floating ratchets 531 rotate and apply force to the torsion spring 55, the torsion spring 55 absorbs the acting force of certain gravity acceleration in the falling process of the assault boat, the impact on equipment caused by the counter force when the pawl component 52 and the ratchet component 53 are in rigid contact is avoided, the torsion spring 55 stops the second rotating rod 3 from rotating after rotating for a certain angle, and the assault boat stops.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a submachine boat loading and unloading prevents weighing down winch with hoist and mount, includes mount (1), its characterized in that: a first rotating rod (2) and a second rotating rod (3) are rotatably arranged in the fixing frame (1), the first rotating rod (2) and the second rotating rod (3) are connected through a connecting assembly (4), a winding roller (6) is fixedly sleeved on the outer side of the first rotating rod (2), the winding roller (6) is rotatably connected with the fixing frame (1) through a mounting frame, one end of the second rotating rod (3) penetrates through the fixing frame (1) and is connected with a rocker (8), and an anti-falling mechanism (5) is arranged on the second rotating rod (3);

prevent weighing down mechanism (5) including fixing supporting seat (51) and torsional spring (55) on second bull stick (3), the symmetry articulates in supporting seat (51) has pawl subassembly (52), the free end of pawl subassembly (52) passes through pawl extension spring (54) and is connected with supporting seat (51), the outside of supporting seat (51) is provided with ratchet subassembly (53) with pawl subassembly (52) assorted, ratchet subassembly (53) rotate with supporting seat (51) through the set casing and are connected, the one end that second bull stick (3) was kept away from in torsional spring (55) is connected with ratchet subassembly (53).

2. The hoisting anti-falling winch for loading and unloading the assault boat according to claim 1, characterized in that: the pawl assembly (52) comprises pawl plates (521) which are symmetrically arranged, the two pawl plates (521) are connected through a plurality of connecting rods, and the two pawl plates (521) are connected with pawl tension springs (54).

3. The hoisting anti-falling winch for loading and unloading the assault boat according to claim 2, characterized in that: the ratchet assembly (53) comprises two floating ratchets (531) arranged on the inner wall of the fixed shell, the two floating ratchets (531) correspond to the two pawl plates (521) one by one, the floating ratchets (531) are matched with the corresponding pawl plates (521), and the two floating ratchets (531) are connected with the torsion spring (55).

4. The hoisting anti-falling winch for loading and unloading the assault boat according to claim 1, characterized in that: coupling assembling (4) are including setting up driving wheel (41) on second bull stick (3) and setting up from driving wheel (42) on first bull stick (2), it is provided with third bull stick (43) to rotate between first bull stick (2) and second bull stick (3), be provided with first drive wheel (44) and second drive wheel (45) on third bull stick (43), first drive wheel (44) and follow driving wheel (42) meshing, second drive wheel (45) and driving wheel (41) meshing.

5. The hoisting anti-falling winch for loading and unloading the assault boat according to claim 1, characterized in that: and the rocker (8) is provided with an anti-skid sleeve.

6. The hoisting anti-falling winch for loading and unloading the assault boat according to claim 1, characterized in that: and a mounting plate (7) is arranged on one side of the top end of the fixing frame (1).