CN216272743U

CN216272743U - Anti-swing device of crane sling

Info

Publication number: CN216272743U
Application number: CN202122588536.8U
Authority: CN
Inventors: 徐东海
Original assignee: Chibi Puqi Hoisting And Conveying Machinery Co ltd
Current assignee: Chibi Puqi Hoisting And Conveying Machinery Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-12
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses an anti-swing device of a crane sling, which comprises a crane base, wherein a lifting base is fixedly arranged at the upper end of the crane base, a lifting main arm is movably arranged at the upper end of the lifting base, a direction-adjusting secondary arm is movably arranged at the other end of the lifting main arm, and the anti-swing device is fixedly arranged at the other end of the direction-adjusting secondary arm. When the lifting device is used, the double-shaft driving motor is started, the threaded rod rotates, so that the sliding female seat moves inwards, the lifting devices at two ends lift simultaneously, the left and right balance of a lifting object is kept, and the swinging during lifting is prevented.

Description

Anti-swing device of crane sling

Technical Field

The utility model relates to the technical field of crane slings, in particular to an anti-swing device of a crane sling.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a navigation crane and a crane. The tire crane is mainly characterized in that: the traveling cab and the crane control cab are integrated, the traveling cab and the crane control cab are evolved by a crawler crane (crawler crane), a crawler and a traveling support part of a traveling mechanism are changed into a chassis with tires, the defect that a crawler plate of the crawler crane (crawler crane) damages a road surface is overcome, and the material handling machine belongs to material handling machinery. The bridge crane is a hoisting device which is transversely erected above workshops, warehouses and material yards to hoist materials, two ends of the bridge crane are located on high cement columns or metal supports, the shape of the bridge crane is similar to that of a bridge, the bridge crane runs longitudinally along rails laid on the elevated frames on two sides, the space below the bridge crane can be fully utilized to hoist the materials, the bridge crane is not hindered by ground equipment, and the bridge crane is a hoisting machine which is widest in application range and most in quantity.

However, the object is generally lifted by the lifting device of the conventional crane, and the object may sway from side to side due to different lifting speeds in the lifting process, so that the object may be separated from one side of the hook of the lifting sling. Accordingly, a person skilled in the art provides an anti-sway device for a crane spreader to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an anti-swing device of a crane sling, which comprises a crane base, wherein a lifting base is fixedly arranged at the upper end of the crane base, a lifting main arm is movably arranged at the upper end of the lifting base, a direction-adjusting secondary arm is movably arranged at the other end of the lifting main arm, and the anti-swing device is fixedly arranged at the other end of the direction-adjusting secondary arm;

the anti-shaking device comprises a limiting device seat, a limiting groove, a double-shaft driving motor, a threaded rod, a sliding female seat, a fixing seat and a lifting appliance, wherein the lower end of the limiting device seat is fixedly provided with the limiting groove, the double-shaft driving motor is fixedly installed in the middle of the limiting groove, the threaded rod is symmetrically and fixedly installed in the front and the back of the double-shaft driving motor, and the sliding female seat is sleeved on the threaded rod.

Preferably: the threaded rod is positioned at the front side and the rear side in the limiting groove, and the sliding female seat is in threaded engagement with the threaded rod.

Preferably: the lower end of the sliding female seat is fixedly provided with a fixed seat, and the lower end of the fixed seat is provided with a lifting appliance.

Preferably: the middle part of the left end of the direction-adjusting secondary arm is provided with a limiting sliding chute, and the right end of the lifting seat is fixedly provided with a stabilizing mechanism group.

Preferably: the stabilizing mechanism group comprises a hydraulic machine, a hydraulic rod, a movable seat and a sliding plate, and the hydraulic rod is fixedly installed at the right end of the hydraulic machine.

Preferably: the right end of the hydraulic rod is provided with a sliding plate, the sliding plate is connected with the limiting sliding groove in a sliding mode, the left end of the sliding plate is fixedly provided with a movable seat, and the movable seat is movably connected with the hydraulic rod.

The utility model has the technical effects and advantages that:

1. when the lifting device is used, the double-shaft driving motor is started, the threaded rod rotates, so that the sliding female seat moves inwards, the lifting devices at two ends lift simultaneously, the left and right balance of a lifting object is kept, and the swinging during lifting is prevented.

2. When the utility model is used, after the stabilizing mechanism group is additionally arranged, the sliding plate slides in the limiting sliding chute, and the hydraulic rod is matched with the lifting main arm and the direction-adjusting secondary arm to form a triangular stable shape, thereby increasing the stability of the whole lifting and improving the safety.

Drawings

Fig. 1 is a schematic structural diagram of an anti-rolling device of a crane spreader according to embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of an anti-sway device in an anti-sway device of a crane spreader provided in embodiment 1 of the present application;

fig. 3 is a schematic structural diagram of an anti-rolling device of a crane spreader according to embodiment 2 of the present application;

fig. 4 is a schematic structural diagram of a stabilizing mechanism group in an anti-rolling device of a crane spreader provided in embodiment 2 of the present application;

in the figure: 1. a crane base; 2. a lifting seat; 3. lifting the main arm; 4. adjusting the direction of the secondary arm; 5. an anti-sway device; 6. a stabilizing mechanism group; 7. a limiting chute;

51. a limiting device seat; 52. a limiting groove; 53. a dual-axis drive motor; 54. a threaded rod; 55. sliding the female seat; 56. a fixed seat; 57. a spreader;

61. a hydraulic press; 62. a hydraulic lever; 63. a movable seat; 64. a sliding plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-2, in the present embodiment, an anti-sway device for a crane spreader is provided, including a crane base 1, a lifting base 2 is fixedly installed at an upper end of the crane base 1, a lifting main arm 3 is movably installed at an upper end of the lifting base 2, a direction-adjusting sub-arm 4 is movably installed at the other end of the lifting main arm 3, and an anti-sway device 5 is fixedly installed at the other end of the direction-adjusting sub-arm 4;

the anti-swing device 5 comprises a limiting device seat 51, a limiting groove 52, a double-shaft driving motor 53, a threaded rod 54, a sliding female seat 55, a fixed seat 56 and a lifting appliance 57, wherein the lower end of the limiting device seat 51 is fixedly provided with the limiting groove 52, the double-shaft driving motor 53 is fixedly installed in the middle of the limiting groove 52, the threaded rod 54 is symmetrically and fixedly installed in the front and the back of the double-

shaft driving motor

53, 54 bits of the threaded rod are positioned on the front side and the back side of the limiting groove 52, the sliding female seat 55 is sleeved on the threaded rod 54, the sliding female seat 55 is in threaded engagement with the threaded rod 54, the fixed seat 56 is fixedly installed at the lower end of the sliding female seat 55, and the lifting appliance 57 is arranged at the lower end of the fixed seat 56.

Example 2

Referring to fig. 3 to 4, in the present embodiment, a limiting chute 7 is disposed in the middle of the left end of the direction-adjusting sub-arm 4, and a stabilizing mechanism set 6 is fixedly mounted at the right end of the lifting seat 2;

the stabilizing mechanism group 6 comprises a hydraulic machine 61, a hydraulic rod 62, a movable seat 63 and a sliding plate 64, wherein the hydraulic rod 62 is fixedly installed at the right end of the hydraulic machine 61, the sliding plate 64 is arranged at the right end of the hydraulic rod 62, the sliding plate 64 is slidably connected with the limiting chute 7, the movable seat 63 is fixedly installed at the left end of the sliding plate 64, and the movable seat 63 is movably connected with the hydraulic rod 62.

The working principle of the utility model is as follows:

when the utility model is used, the double-shaft driving motor 53 is started, the threaded rod 54 rotates, so that the sliding female seat 55 moves inwards, and the lifting tools 57 at two ends lift simultaneously, so that the left and right balance of a lifting object is kept, and the swinging during lifting is prevented;

secondly, after the stabilizing mechanism group 6 is additionally arranged, the sliding plate 64 slides in the limiting sliding chute 7, and the hydraulic rod 62 is matched with the lifting main arm 3 and the direction-adjusting secondary arm 4 to form a triangular stable shape, so that the stability of the whole lifting is improved, and the safety is improved.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The anti-shaking device of the crane sling comprises a crane base (1) and is characterized in that a lifting base (2) is fixedly installed at the upper end of the crane base (1), a lifting main arm (3) is movably installed at the upper end of the lifting base (2), a direction-adjusting secondary arm (4) is movably installed at the other end of the lifting main arm (3), and an anti-shaking device (5) is fixedly installed at the other end of the direction-adjusting secondary arm (4);

the anti-shaking device (5) comprises a limiting device seat (51), a limiting groove (52), a double-shaft driving motor (53), a threaded rod (54), a sliding female seat (55), a fixing seat (56) and a lifting appliance (57), wherein the lower end of the limiting device seat (51) is fixedly provided with the limiting groove (52), the middle part of the double-shaft driving motor (53) is fixedly arranged in the limiting groove (52), the threaded rod (54) is symmetrically and fixedly arranged in the front and at the back of the double-shaft driving motor (53), and the sliding female seat (55) is sleeved on the threaded rod (54).

2. The anti-swing device of a crane spreader according to claim 1, wherein the threaded rod (54) is positioned at the front side and the rear side in the limiting groove (52), and the sliding female seat (55) is in threaded engagement with the threaded rod (54).

3. The anti-swing device of a crane spreader according to claim 1, wherein the lower end of the sliding female seat (55) is fixedly provided with a fixed seat (56), and the lower end of the fixed seat (56) is provided with a spreader (57).

4. The anti-swing device of a crane spreader according to claim 1, wherein the middle of the left end of the direction-adjusting secondary arm (4) is provided with a limiting sliding groove (7), and the right end of the lifting seat (2) is fixedly provided with a stabilizing mechanism group (6).

5. The anti-swing device of a crane spreader according to claim 4, wherein the stabilizing mechanism group (6) comprises a hydraulic machine (61), a hydraulic rod (62), a movable seat (63) and a sliding plate (64), and the hydraulic rod (62) is fixedly arranged at the right end of the hydraulic machine (61).

6. The anti-swing device of a crane spreader according to claim 5, wherein the hydraulic rod (62) is provided with a sliding plate (64) at the right end, the sliding plate (64) is slidably connected with the limit chute (7), the movable seat (63) is fixedly arranged at the left end of the sliding plate (64), and the movable seat (63) is movably connected with the hydraulic rod (62).