CN216889690U

CN216889690U - Hoisting sling with limiting device

Info

Publication number: CN216889690U
Application number: CN202123022575.8U
Authority: CN
Inventors: 张冬梅; 王晶
Original assignee: Kunshan East Coast Marine Engineering Co ltd
Current assignee: Kunshan East Coast Marine Engineering Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-07-05
Anticipated expiration: 2031-12-03

Abstract

The utility model belongs to the technical field of hoisting rigging, in particular to a hoisting rigging with a limiting device, aiming at the problems of unstable hanging and taking and falling danger, the utility model provides a proposal which comprises a chain, wherein a main hook is arranged on the chain, a vertical box is fixedly arranged on one side of the main hook, an auxiliary hook is rotatably arranged on the main hook, a handle is arranged on the vertical box, a limiting mechanism is arranged in the vertical box, the limiting mechanism comprises a screw rod, the screw rod is rotatably connected with the inner wall of the vertical box, the screw rod is fixedly connected with the handle, a threaded block is in threaded connection with the screw rod, a connecting shaft is arranged on the threaded block, a sleeve is rotatably arranged on the connecting shaft, the inner wall of the sleeve is in sliding connection with the auxiliary hook, and an auxiliary hanging mechanism is arranged in the vertical box, the utility model can lead the object to be hung more firmly, and avoid unnecessary loss caused by falling of the hanging object, simple use and convenient operation.

Description

Hoisting sling with limiting device

Technical Field

The utility model relates to the technical field of hoisting rigging, in particular to a hoisting rigging with a limiting device.

Background

The connecting piece between the crane or the crane main body and the lifted object is called as a sling; the metal sling mainly comprises: steel wire rope slings, chain slings, sling belts, shackle slings, lifting hooks, lifting (clamping) tongs and magnetic slings.

The lifting sling in the prior art is mainly used for lifting a heavy object by a hook, the lifting is unstable, and sometimes the lifting object falls off due to some unexpected reasons, so that the lifting object is damaged or other dangers occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of unstable hanging and taking and falling danger in the prior art, and provides a hoisting sling with a limiting device.

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

a hoisting sling with a limiting device comprises a chain, wherein a main hook is arranged on the chain, a vertical box is fixedly arranged on one side of the main hook, an auxiliary hook is rotatably arranged on the main hook, a handle is arranged on the vertical box, a limiting mechanism is arranged in the vertical box and comprises a screw rod, the screw rod is rotatably connected with the inner wall of the vertical box and is fixedly connected with the handle, a threaded block is connected with the screw rod in a threaded manner, a connecting shaft is arranged on the threaded block, a sleeve is rotatably arranged on the connecting shaft, the inner wall of the sleeve is slidably connected with the auxiliary hook, an auxiliary hanging mechanism is arranged in the vertical box and comprises a first bevel gear, the first bevel gear is fixedly connected with the screw rod, a second bevel gear is meshed with the first bevel gear, a rotating rod is fixedly arranged on the second bevel gear, and a winding wheel is fixedly arranged on the rotating rod, the reel is provided with a steel wire rope, and one end of the steel wire rope is rotationally connected with the auxiliary hook.

Preferably, the vertical box is provided with a rope guiding pipe, and the rope guiding pipe is movably connected with the steel wire rope.

Preferably, a groove rail is arranged in the vertical box and is in sliding connection with the connecting shaft.

Preferably, a second bearing is fixedly installed in the vertical box, and an inner ring of the second bearing is fixedly connected with the outer side of the rotating rod.

Preferably, a vertical rail is arranged in the vertical box and is in sliding connection with the thread block.

Preferably, two first bearings are arranged in the vertical box, and inner rings of the two first bearings are fixedly connected with the outer side of the screw rod.

Compared with the prior art, the utility model has the advantages that:

1. this scheme is when using, and the setting of assisting the couple can assist the main couple to hang and get the object, avoids the object to drop, and screw rod, screw thread piece, connecting axle and sheathed tube setting can restrict the assistance couple in the limiting mechanism for the object is hung in the restriction that the assistance couple can be better, avoids hanging the object and drops.

2. When the novel hanging mechanism is used, the first bevel gear, the second bevel gear, the rotating rod and the winding wheel can receive and release the steel wire rope, so that the auxiliary hook can move freely when an object needs to be hung and taken, the hook can be further limited and assisted after the object is hung and taken, the object can be hung by the auxiliary hook, and unnecessary loss caused by falling of the object is avoided.

The utility model can make the object hung and taken more firmly, avoid unnecessary loss caused by falling of the hung object, and has simple use and convenient operation.

Drawings

Fig. 1 is a schematic perspective view of a main hook of a lifting sling according to the present invention, provided with a limiting device;

FIG. 2 is a schematic cross-sectional view of a first embodiment of a hoist rigging having a position limiting device according to the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2 of a hoist rigging having a spacing device in accordance with the present invention;

FIG. 4 is a schematic view of the connection structure of the vertical box, the screw rod, the thread block, the connecting shaft and the sleeve of the hoisting rigging with the limiting device according to the present invention;

fig. 5 is a schematic cross-sectional structural view of a second embodiment of a hoisting rigging with a limiting device according to the present invention;

fig. 6 is an enlarged schematic view of part B of fig. 5 of a hoist rigging having a stop arrangement according to the present invention.

In the figure: 1 chain, 2 main hooks, 3 vertical boxes, 4 auxiliary hooks, 5 handles, 6 screw rods, 7 thread blocks, 8 connecting shafts, 9 sleeves, 10 first bevel gears, 11 second bevel gears, 12 rotating rods, 13 winding wheels, 14 steel wire ropes, 15 rope guiding pipes, 16 first belt wheels, 17 wire collecting boxes, 18 second belt wheels and 19 belts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-4, a lifting sling with stop device, including chain 1, be provided with main couple 2 on the chain 1, one side fixed mounting of main couple 2 has perpendicular box 3, it has supplementary couple 4 to rotate to install on the main couple 2, be provided with handle 5 on the perpendicular box 3, be provided with the limiting mechanism in the perpendicular box 3, the limiting mechanism includes screw rod 6, screw rod 6 rotates with the inner wall of erecting box 3 and is connected, screw rod 6 and handle 5 fixed connection, threaded connection has screw thread piece 7 on the screw rod 6, be provided with connecting axle 8 on the screw thread piece 7, it installs sleeve pipe 9 to rotate on the connecting axle 8, the inner wall and the supplementary couple 4 sliding connection of sleeve pipe 9 erect and be provided with in the box 3 and assist and hang the mechanism.

In the utility model, the auxiliary hanging mechanism comprises a first bevel gear 10, the first bevel gear 10 is fixedly connected with a screw 6, a second bevel gear 11 is meshed with the first bevel gear 10, a rotating rod 12 is fixedly installed on the second bevel gear 11, a winding wheel 13 is fixedly installed on the rotating rod 12, a steel wire rope 14 is arranged on the winding wheel 13, and one end of the steel wire rope 14 is rotatably connected with the auxiliary hook 4.

In the utility model, the vertical box 3 is provided with the rope guiding pipe 15, the rope guiding pipe 15 is movably connected with the steel wire rope 14, and the rope guiding pipe 15 can prevent the steel wire rope 14 from falling off from the winding wheel 13.

In the utility model, a vertical rail is arranged in the vertical box 3 and is in sliding connection with the thread block 7, and the vertical rail can enable the thread block 7 to slide at a fixed position.

In the utility model, the vertical box 3 is internally provided with a groove rail which is connected with the connecting shaft 8 in a sliding way, and the groove rail can enable the connecting shaft 8 to slide at a fixed position.

According to the utility model, two first bearings are arranged in the vertical box 3, inner rings of the two first bearings are fixedly connected with the outer side of the screw 6, and the screw 6 can rotate at a fixed position through the first screw bearings.

In the utility model, a second bearing is fixedly arranged in the vertical box 3, the inner ring of the second bearing is fixedly connected with the outer side of the rotating rod 12, and the second bearing can enable the rotating rod 12 to rotate at a fixed position.

The working principle is as follows: when in use, the handle 5 is rotated to drive the screw rod 6 to rotate, the screw rod 6 rotates to drive the screw block 7 to descend, the screw block 7 descends, the connecting shaft 8 descends, the sleeve 9 descends, the tail part of the auxiliary hook 4 descends, the hook part upwarps, the object is conveniently hung, the screw rod 6 rotates, the first bevel gear 10 rotates, the second bevel gear 11 rotates, the rotating rod 12 rotates, the winding wheel 13 rotates, the steel wire rope 14 is released, the auxiliary hook 4 is prevented from being limited from moving, after the object is hung, the handle 5 is reversed, the hook part of the auxiliary hook 4 descends to be clamped on the hung object, the auxiliary main hook 2 clamps the hung object, the hung object is prevented from falling off, the sleeve 9 can limit the auxiliary hook 4 and the winding wheel 13 to wind the steel wire rope 14 when not moving, so that the steel wire rope 14 tensions the auxiliary hook 4, the auxiliary hook 4 is further limited, and the stability is improved.

Example two

Referring to fig. 5 to 6, the difference from the first embodiment is that: the auxiliary hanging mechanism comprises a first belt wheel 16, the first belt wheel 16 is fixedly connected with the screw 6, a second belt wheel 18 is rotatably mounted on the vertical box 3, the first belt wheel 16 and the second belt wheel 18 are provided with a same belt 19 in a transmission mode, a winding wheel 13 is fixedly mounted on the second belt wheel 18, a steel wire rope 14 is arranged on the winding wheel 13, and one end of the steel wire rope 14 is rotatably connected with the auxiliary hook 4.

In the utility model, the vertical box 3 is provided with the wire collecting box 17, the wire collecting box 17 is movably connected with the steel wire rope 14, and the wire collecting box 17 can prevent the steel wire rope 14 from falling off from the winding wheel 13.

In the utility model, a second bearing is fixedly arranged in the vertical box 3, the inner ring of the second bearing is fixedly connected with one side of the second belt wheel 18, and the second bearing can enable the second belt wheel 18 to rotate at a fixed position.

The working principle is as follows: when the device is used, the handle 5 is rotated to drive the screw rod 6 to rotate, the screw rod 6 rotates to drive the thread block 7 to descend, the thread block 7 descends, the connecting shaft 8 descends, the sleeve 9 descends, the tail part of the auxiliary hook 4 descends, the hook part is upwarped, the object is conveniently hung, the screw rod 6 rotates to drive the first belt wheel 16 to rotate, the first belt wheel 16 rotates under the coordination of the belt 19 to drive the second belt wheel 18 to rotate, the second belt wheel 18 rotates to drive the reel 13 to rotate, the steel wire rope 14 is released, the auxiliary hook 4 is prevented from being limited to move, after the object is hung, the handle 5 is reversed, the hook part of the auxiliary hook 4 descends to be clamped on the hung object, the auxiliary main hook 2 clamps the hung object to prevent the hung object from falling off, the sleeve 9 can limit the auxiliary hook 4 when the auxiliary hook is not moving, the reel 13 can wind the steel wire rope 14, and the steel wire rope 14 tightens the auxiliary hook 4, the auxiliary hook 4 is further limited, and the stability is improved.

The rest is the same as the first embodiment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A hoisting sling with a limiting device comprises a lock chain (1) and is characterized in that a main hook (2) is arranged on the lock chain (1), a vertical box (3) is fixedly arranged on one side of the main hook (2), an auxiliary hook (4) is rotatably arranged on the main hook (2), a handle (5) is arranged on the vertical box (3), a limiting mechanism is arranged in the vertical box (3) and comprises a screw rod (6), the screw rod (6) is rotatably connected with the inner wall of the vertical box (3), the screw rod (6) is fixedly connected with the handle (5), a thread block (7) is in threaded connection with the screw rod (6), a connecting shaft (8) is arranged on the thread block (7), a sleeve (9) is rotatably arranged on the connecting shaft (8), and the inner wall of the sleeve (9) is in sliding connection with the auxiliary hook (4), an auxiliary hanging mechanism is arranged in the vertical box (3).

2. The hoisting rigging with the limiting device according to claim 1, wherein the auxiliary hanging mechanism comprises a first bevel gear (10), the first bevel gear (10) is fixedly connected with the screw (6), a second bevel gear (11) is meshed with the first bevel gear (10), a rotating rod (12) is fixedly mounted on the second bevel gear (11), a rolling wheel (13) is fixedly mounted on the rotating rod (12), a steel wire rope (14) is arranged on the rolling wheel (13), and one end of the steel wire rope (14) is rotatably connected with the auxiliary hook (4).

3. A hoisting sling according to claim 1, wherein the erection box (3) is provided with a rope guiding tube (15), and the rope guiding tube (15) is movably connected with the steel wire rope (14).

4. A hoist rigging with a limiting device according to claim 1, characterised in that a vertical rail is provided in the vertical box (3) and is slidably connected to the threaded block (7).

5. A hoisting sling according to claim 1, wherein the vertical box (3) is provided with a grooved rail therein, which is slidably connected to the connection shaft (8).

6. A hoisting sling according to claim 1, wherein two first bearings are arranged in the vertical box (3), and the inner rings of the two first bearings are fixedly connected with the outer side of the screw rod (6).

7. A hoist rigging with a limiting device according to claim 1, characterised in that a second bearing is fixedly mounted in the vertical box (3), the inner race of the second bearing being fixedly connected to the outside of the swivel (12).