CN215558316U

CN215558316U - General assembly of bridge crane sling system

Info

Publication number: CN215558316U
Application number: CN202121254136.7U
Authority: CN
Inventors: 范旭东; 张跃; 吴建坤; 薛晖; 邬勇勇; 孟成宇
Original assignee: Ningbo Beilun Third Container Terminal Co Ltd; Ningbo Gangji Terminal Operators Co Ltd; Ningbo Cosco Jetty Management Co Ltd; Ningbo Yining Wharf Management Co Ltd
Current assignee: Ningbo Beilun Third Container Terminal Co Ltd; Ningbo Gangji Terminal Operators Co Ltd; Ningbo Cosco Jetty Management Co Ltd; Ningbo Yining Wharf Management Co Ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-18
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to the field of bridge crane lifting appliances, in particular to a bridge crane lifting appliance system assembly, which comprises a lifting appliance seat, a lifting appliance seat and a lifting appliance seat, wherein the lifting appliance seat comprises an adjusting mechanism and a buffer mechanism, the adjusting mechanism comprises a lead screw, a thread block is arranged on the outer side of the lead screw, and the adjusting block is fixedly arranged on the outer side of the thread block; the buffer mechanism comprises a limiting slide rod, the limiting slide rod is connected with the lifting appliance seat in a sliding mode, and a limiting rod capable of turning in a single direction is hinged to the lower side of the limiting slide rod. The present invention is directed to overcoming the deficiencies of the prior art and providing an assembly of a bridge crane spreader system that accelerates the positioning of the spreader relative to the load and mitigates the impact between the load and the spreader during such positioning.

Description

General assembly of bridge crane sling system

Technical Field

The utility model relates to the field of bridge crane lifting appliances, in particular to a bridge crane lifting appliance system assembly.

Background

The bridge crane sling is an indispensable part in wharf loading and unloading operation, is mainly used for connecting cargos so as to load and unload cargos, and because the connection mode of the sling and the bridge crane is a flexible steel cable mode, the connection time between the sling and the cargos is longer, and the connection mode between the sling and the cargos directly influences the cargo handling efficiency.

In the prior art, the assembly of a bridge crane lifting appliance system is divided into manual auxiliary hooking lifting appliance assembly and automatic positioning clamping hooking lifting appliance assembly according to the lifting process, wherein the manual auxiliary hooking lifting appliance assembly needs manual work when a cargo is lifted, the lifting appliance is connected with the cargo, certain danger exists, the connection efficiency is low, the swinging of the lifting appliance is controlled according to the swinging amplitude of the lifting appliance in the lifting process through the experience of a driver, the lifting appliance is stabilized by utilizing the rigid impact between the cargo and the lifting appliance, so that the connection between the lifting appliance and the cargo is established, but the cargo and the lifting appliance are easily damaged by the mode, and therefore the lifting appliance needs to be buffered and protected, and the damage to the cargo or the lifting appliance is prevented.

The existing positioning hanger system assembly controls the swinging of a hanger according to the swing amplitude of the hanger in the lifting process through the experience of a driver, and utilizes the rigid impact between the cargo and the hanger to stabilize the hanger so as to establish connection between the hanger and the cargo, however, the rigid impact between the cargo and the hanger can damage the cargo and the hanger, so how to design the bridge hanger system assembly, can accelerate the positioning of the hanger when the hanger is positioned, and can solve the technical problem of urgent need for technical personnel in the field by slowing down the impact force in the positioning process of the cargo and the hanger.

SUMMERY OF THE UTILITY MODEL

Accordingly, the present invention is directed to overcoming the deficiencies of the prior art and providing an assembly of a bridge spreader system that provides for positioning of the spreader relative to the load and for mitigating the impact forces between the load and the spreader during such positioning.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a bridge crane hanger system assembly comprises a hanger seat, and comprises an adjusting mechanism and a buffer mechanism, wherein the adjusting mechanism comprises a lead screw, a thread block is arranged on the outer side of the lead screw, and an adjusting block is fixedly arranged on the outer side of the thread block; the buffer mechanism comprises a limiting slide rod, the limiting slide rod is connected with the lifting appliance seat in a sliding manner, and a limiting rod which turns in a one-way manner is hinged to the lower side of the limiting slide rod; the lead screw pushes the limiting slide rod through the thread block and the adjusting block so as to adjust the position of the limiting slide rod, the limiting rod limits the movement of the limiting slide rod through goods, and the limiting slide rod limits the swinging of the lifting appliance seat through the limiting block.

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

in the process of swinging the lifting appliance seat, the limiting rod on one side is abutted with the goods and overturned, the limiting rod on the other side is abutted with the goods, the lifting appliance seat continues swinging, the limiting rod abutted with the goods drives the limiting slide rod to slide, in the process, the limiting rod on one side is separated from the upper end face of the goods and is restored to a vertical state under the action of gravity, the goods is positioned between the two limiting rods, the screw rod adjusts the position of the limiting slide rod through the adjusting block, and the elastic potential energy stored by the pressure spring resets the limiting slide rod to accelerate the lifting appliance seat to stop swinging, so that the lifting appliance is positioned.

Furthermore, the number of the thread blocks is two, the lead screw is divided into two parts, the thread directions of the two parts of the lead screw are opposite, and the two parts of the lead screw are respectively in threaded connection with one thread block, so that the lead screw rotates to drive the two thread blocks to move reversely.

Furthermore, a rod groove is formed in the limiting slide rod, a limiting block is arranged in the rod groove in a sliding mode, the limiting block is fixedly connected with the lifting appliance seat, and the sliding range of the limiting slide rod is limited by the limiting block.

Furthermore, a stop block is arranged on one side of the limiting rod and fixedly connected with the limiting slide rod, and the limiting of the limiting rod is realized through the stop block so as to realize unidirectional overturning of the limiting rod.

Furthermore, buffer gear includes spacing spout, spacing spout with spacing slide bar sliding connection has realized spacing slide bar for the straight line of spacing spout slides, only right the speed of hoist seat horizontal direction hinders, has reduced the impact force between spacing slide bar and the goods.

Furthermore, a pressure spring is arranged in a communicating part of the limiting sliding groove and the rod groove, two ends of the pressure spring are fixedly connected with the limiting block and the inner wall of the rod groove respectively, and impact force between the limiting block and the limiting sliding rods is reduced by the aid of the pressure spring.

Furthermore, the adjusting mechanism further comprises an adjusting motor, the adjusting motor is embedded inside the lifting appliance seat, an adjusting motor shaft is controlled by the adjusting motor, and the adjusting motor shaft is fixedly connected with the lead screw and provides power for the lead screw through the adjusting motor.

Furthermore, two steel cables are fixedly arranged at the upper end of the lifting appliance seat, and the lifting appliance seat is lifted by the two steel cables.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view taken along the line A-A of FIG. 1;

fig. 3 is an enlarged schematic view of fig. 1 at B.

Reference numerals: 10. the lifting appliance comprises a lifting appliance seat, 11, a steel cable, 12, a thread block, 13, an adjusting motor, 14, an adjusting motor shaft, 15, a lead screw, 16, a pressure spring, 17, a limiting sliding groove, 18, a rod groove, 19, a limiting block, 20, a limiting sliding rod, 21, a stop block, 22, a limiting rod, 23 and an adjusting block.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

Referring to fig. 1 and 3, the present embodiment provides an assembly of a bridge spreader system, which is mainly used to speed up the positioning of the spreader relative to the load and to alleviate the impact between the load and the spreader during the process.

The lifting appliance comprises a lifting appliance base 10 and is characterized by comprising an adjusting mechanism and a buffer mechanism, wherein the adjusting mechanism comprises a lead screw 15, the lead screw 15 is in threaded connection with a thread block 12, and the thread block 12 is fixedly connected with an adjusting block 23; the buffer mechanism comprises a limiting slide rod 20 which is connected with the hanger base 10 in a sliding manner, a rod groove 18 is formed in the limiting slide rod 20, the rod groove 18 is connected with a limiting block 19 in a sliding manner, the limiting block 19 is fixedly connected with the hanger base 10, a limiting rod 22 is hinged to the lower side of the limiting slide rod 20, and a stop block 21 is further fixedly arranged at the lower end of the limiting slide rod 20; the screw rod 15 pushes the limiting slide rod 20 through the thread block 12 and the adjusting block 23 to adjust the position of the limiting slide rod 20, the limiting rod 22 limits the movement of the limiting slide rod 20 through goods, and the limiting slide rod 20 limits the swing of the hanger base 10 through the limiting block 19.

Specifically, the method comprises the following steps:

referring to fig. 1 and 3, the number of the thread blocks 12 is two, the lead screw 15 is divided into two parts, the thread directions of the two parts of the lead screw 15 are opposite, and the two parts of the lead screw 15 are respectively in threaded connection with one of the thread blocks 12.

Through the device, the screw rod 15 rotates to drive the two thread blocks 12 to move reversely.

In order to limit the sliding range of the limiting slide rod, a rod groove is formed in the limiting slide rod, a limiting block is arranged in the rod groove in a sliding mode, and the limiting block is fixedly connected with the lifting appliance seat and limits the sliding range of the limiting slide rod.

In order to realize the unidirectional overturning of the limiting rod, a stop block is arranged on one side of the limiting rod and is fixedly connected with the limiting slide rod, and the unidirectional overturning of the limiting rod is realized by limiting the limiting rod through the stop block.

In order to reduce the impact force between the limiting slide bar 20 and the goods, the buffering mechanism comprises a limiting slide groove 17, and the limiting slide groove 17 is connected with the limiting slide bar 20 in a sliding manner, so that the limiting slide bar 20 can slide linearly relative to the limiting slide groove 17, and only the speed of the hanger base 10 in the horizontal direction is hindered.

In order to reduce the impact force between the limiting block 19 and the limiting slide rod 20, a pressure spring 16 is arranged inside a communication part between the limiting sliding groove 17 and the rod groove 18, two ends of the pressure spring 16 are fixedly connected with the inner walls of the limiting block 19 and the rod groove 18 respectively, and the impact force between the limiting block 19 and the limiting slide rod 20 is reduced by the pressure spring 16.

In order to provide power for the lead screw 15, the adjusting mechanism further comprises an adjusting motor 13, the adjusting motor 13 is embedded inside the hanger base 10, an adjusting motor shaft 14 is controlled by the adjusting motor 13, the adjusting motor shaft 14 is fixedly connected with the lead screw 15, and the lead screw 15 is provided with power through the adjusting motor 13.

In order to hoist the hanger base 10, two steel cables 11 are fixedly arranged at the upper end of the hanger base 10.

The implementation principle is as follows: firstly, the adjusting motor shaft 14 is controlled to rotate by the adjusting motor 13 according to the width of a cargo 27, the adjusting motor shaft 14 drives the two lead screws 15 to rotate, the two lead screws 15 drive the respective thread blocks 12 to move in the direction away from each other, the two thread blocks 12 drive the respective adjusting blocks 23 to push the respective limit slide rods 20 to slide relative to the limit slide grooves 17, the two limit slide rods 20 compress the respective rod grooves 18, the two limit slide rods 20 drive the respective stop blocks 21 and the limit rods 22 to move, the distance between the two limit rods 22 is matched with the width of the cargo 27, the two wire ropes 11 control the movement of the hanger base 10, in the moving process of the hanger base 10, because the wire ropes 11 are made of flexible materials, the wire ropes 11 drive the hanger base 10 to swing, the hanger base 10 drives the two limit rods 22 to swing through the two limit slide rods 20, and after the cargo 27 is impacted on one side of the limit rods 22 away from the hanger base 10, the limiting rod 22 is turned over under the limiting action of the goods 27, the limiting rod 22 on one side is reset after being separated from contact with the goods 27, after the goods 27 impact the limiting rod 22 on the other side, the limiting rod 22 on the other side and the stop block 21 on the other side drive the limiting slide rod 20 on the other side to be stationary relative to the goods 27, the lifting appliance base 10 moves in the opposite direction relative to the limiting slide rod 20, the pressure spring 16 on the other side compresses, after the impact force buffering between the goods 27 and the limiting rod 22 is completed, the pressure spring 16 resets, the lifting appliance base 10 swings in the opposite direction under the action of the limiting block 19, the pressure spring 16 on one side repeats the compression resetting process of the pressure spring 16 on the other side, the adjusting motor 13 controls the screw rod 15 to rotate through the adjusting motor shaft 14, the screw rod 15 transmits to the two adjusting blocks 12, the two adjusting blocks 12 adjust the positions of the two limiting slide rods 20, the elastic potential energy stored in the pressure spring 16 drives the slide rods to reset to accelerate the lifting appliance base to stop swinging, thereby realizing the positioning of the lifting appliance.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention.

Claims

1. The general assembly of the bridge crane lifting appliance system comprises a lifting appliance base (10) and is characterized by comprising an adjusting mechanism and a buffer mechanism, wherein the adjusting mechanism comprises a lead screw (15), a thread block (12) is arranged on the outer side of the lead screw (15), and an adjusting block (23) is fixedly arranged on the outer side of the thread block (12); the buffer mechanism comprises a limiting slide rod (20), the limiting slide rod (20) is connected with the lifting appliance base (10) in a sliding mode, and a limiting rod (22) which turns in a one-way mode is hinged to the lower side of the limiting slide rod (20); the screw rod (15) pushes the limiting slide rod (20) through the thread block (12) and the adjusting block (23) to further adjust the position of the limiting slide rod (20), the limiting rod (22) limits the movement of the limiting slide rod (20) through goods, and the limiting slide rod (20) limits the swinging of the lifting appliance base (10) through the limiting rod (22).

2. A bridge crane spreader system assembly according to claim 1, wherein the limiting slide rod (20) is internally provided with a rod groove (18), a limiting block (19) is slidably arranged in the rod groove (18), and the limiting block (19) is fixedly connected with the spreader base (10).

3. A bridge crane spreader system assembly according to claim 1, wherein a stop (21) is arranged at one side of the stop rod (22), and the stop (21) is fixedly connected with the stop slide rod (20).

4. A bridge crane spreader system assembly according to claim 1, wherein there are two of the thread blocks (12), the lead screw (15) is divided into two parts, the thread directions of the two parts of the lead screw (15) are opposite, and the two parts of the lead screw (15) are respectively in threaded connection with one of the thread blocks (12).

5. A bridge crane spreader system assembly according to claim 2, wherein the damping mechanism further comprises a limiting runner (17), the limiting runner (17) being slidably connected to the limiting slide bar (20).

6. A bridge crane spreader system assembly according to claim 5, wherein a pressure spring (16) is arranged in a communicating part between the limiting sliding groove (17) and the rod groove (18), and two ends of the pressure spring (16) are respectively fixedly connected with the limiting block (19) and the inner wall of the rod groove (18).

7. The assembly of a bridge crane spreader system according to claim 1, wherein the adjusting mechanism further comprises an adjusting motor (13), the adjusting motor (13) is embedded inside the spreader base (10), an adjusting motor shaft (14) is controlled by the adjusting motor (13), and the adjusting motor shaft (14) is fixedly connected with the lead screw (15).