CN213865090U

CN213865090U - End beam buffering device

Info

Publication number: CN213865090U
Application number: CN202022956892.6U
Authority: CN
Inventors: 杨强; 缪海洋; 徐坤; 马云飞; 智鑫; 杜小东
Original assignee: Shanghai Port Machinery Co ltd; Shanghai Zhenghua Heavy Industries Co Ltd
Current assignee: Shanghai Port Machinery Co ltd; Shanghai Zhenghua Heavy Industries Co Ltd; Shanghai Gangji Heavy Industry Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-03
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses an end beam buffer in container crane technical field, this end beam buffer include hoist end beam, commentaries on classics round pin case, commentaries on classics round pin mechanism and hydro-cylinder buffer, be equipped with the step on the commentaries on classics round pin case, the commentaries on classics round pin case passes through the step is erect just stretch out on the hoist end beam, the compression of hydro-cylinder buffer is installed commentaries on classics round pin roof portion, commentaries on classics round pin mechanism is installed at commentaries on classics round pin incasement bottom, this end beam buffer guarantee that the hoist is being absorbed by the hydro-cylinder buffer at the impact force of case in-process mostly, avoid the hoist end beam to receive huge striking, prolong the life of end beam structure, improved work efficiency.

Description

End beam buffering device

Technical Field

The utility model relates to a container crane technical field, more specifically relates to an end beam buffer.

Background

With the development of science and technology and economy, maritime logistics still occupies the main part of global freight, and a container spreader is a large-scale special machine for loading, unloading and transferring containers. The lifting device is suitable for freight storage, water transportation ports and wharfs, has the characteristics of high reliability, stable operation, high operation efficiency and the like due to being special equipment, and is an important auxiliary machine tool of the lifting equipment. The buffer device is used for eliminating mechanical collision generated by inertia force and gravity when an object moving at high speed is about to collide by means of gas, liquid, machinery and the like, so that the purpose of buffering is achieved. The lifting appliance is a part directly contacted with the container, so the failure rate of the lifting appliance is the highest, the failure of the lifting appliance is mainly caused by impact when the container is placed, so the reduction of the impact means the reduction of the failure rate of the lifting appliance, and the working efficiency and the service life of the lifting appliance are integrally improved. The prior art reduces the speed when the lifting appliance is placed in a box through electric control, thereby reducing the impact force, but the electric control stability is poor, and the working efficiency is low. On the basis, the buffer is applied to the box landing process of the lifting appliance, and the requirement that the impact force of the box is reduced by the end beam buffering is met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an end beam buffer applies the hydro-cylinder buffer to the hoist and is the case in-process, has realized that the end beam buffering reduces the requirement of case impact force.

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

the utility model provides an end beam buffer, includes hoist end beam, commentaries on classics round pin case, commentaries on classics round pin mechanism and hydro-cylinder buffer, be equipped with the step on the commentaries on classics round pin case, the commentaries on classics round pin case passes through the step is erect on the hoist end beam and is stretched out hoist end beam, the compression of hydro-cylinder buffer is installed commentaries on classics round pin roof portion, commentaries on classics round pin mechanism installs the bottom in the commentaries on classics round pin case.

Furthermore, a cavity is arranged in the rotary pin box and comprises an upper cavity and a lower cavity, the upper cavity is provided with the oil cylinder buffer, and the lower cavity is internally provided with the rotary pin mechanism.

Furthermore, a round hole is formed in the top end face of the upper cavity, and the inner diameter of the round hole is larger than the outer diameter of the bottom end face of the oil cylinder buffer.

Furthermore, the kingpin box is connected with the contact of the container corner accessory of outside, the container corner accessory drives the kingpin box reciprocates.

Furthermore, the rotating pin mechanism comprises a rotating handle and a rotating pin, and the rotating handle drives the rotating pin to rotate.

Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:

the utility model provides an end beam buffer, hoist end beam special design, install the hydro-cylinder buffer in hoist end beam ingeniously, install whole commentaries on classics round pin mechanism in the commentaries on classics round pin incasement, the function of commentaries on classics round pin mechanism has both been kept, it has certain buffering space to make hoist end beam have again, the impact of hoist end beam and container has been reduced, the hydro-cylinder buffer is the gas compression hydro-cylinder form, its inside gas pressure also follows the increase along with the increase of compression distance, the required power of compression hydro-cylinder increases thereupon, the end beam, the commentaries on classics round pin case, the special arrangement form of buffer, guarantee that the hoist is most absorbed by the hydro-cylinder buffer at the impact force of case in-process, avoid the hoist end beam to receive huge striking, the life of extension end beam structure, and high work efficiency.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

Fig. 1 is a front view of a spreader end beam of the present invention;

fig. 2 is a top view of a spreader end beam of the present invention;

fig. 3 is a perspective view of the end beam of the lifting appliance of the present invention;

FIG. 4 is a right side view structure of the kingpin box of the present invention;

FIG. 5 is a rear view structural view of the kingpin box of the present invention;

FIG. 6 is a perspective view of the kingpin box of the present invention;

fig. 7 is a structural diagram of the cylinder buffer of the present invention;

FIG. 8 is a structural diagram of the free state of the cylinder damper according to the present invention;

fig. 9 is a structural diagram of the compression state of the cylinder buffer according to the present invention.

Detailed Description

The technical solution of the present invention is specifically described below with reference to the drawings of the specification.

The detailed features and advantages of the present invention are described in detail in the detailed description, which is sufficient for anyone skilled in the art to understand the technical content of the present invention and to implement the present invention, and the related objects and advantages of the present invention can be easily understood by those skilled in the art from the description, the claims and the accompanying drawings disclosed in the present specification.

Examples

Fig. 1 shows a front view of a spreader end beam, fig. 2 shows a top view of the spreader end beam, fig. 3 shows a three-dimensional structure view of the spreader end beam, fig. 4 shows a right-side structure view of a kingpin box, fig. 5 shows a rear-side structure view of the kingpin box, fig. 6 shows a three-dimensional structure view of the kingpin box, and an end beam buffering device comprises a spreader end beam 1, a kingpin box 2, a kingpin mechanism 3, and a cylinder buffer 4, wherein the specific structure of the spreader end beam 1 is shown in fig. 1, fig. 2, and fig. 3, and the specific structure of the kingpin box 2 is shown in fig. 4, fig. 5, and fig. 6, wherein: steps 5 are fixedly arranged on two sides of the outer side surface of the kingpin box 2, the kingpin box 2 is just erected on the bottom plate of the end beam 1 of the lifting appliance through the steps 5 on the two sides, the part of the kingpin box 2 extends out of the bottom plate of the end beam 1 of the lifting appliance, and the part of the kingpin box 2 extends out of the bottom plate of the end beam of the lifting appliance by 60 mm. The cavity has been seted up to the inside fixed of bull pin case 2, and the cavity includes two parts, is last cavity 6 and lower cavity 7 respectively, installs hydro-cylinder buffer 4 on the last cavity 6, and the top terminal surface of going up cavity 6 is equipped with round hole 8, and the internal diameter of round hole 8 is greater than the external diameter of the 4 bottom terminal surfaces of hydro-cylinder buffer, and the hydro-cylinder buffer 4 of being convenient for like this can fixed mounting on last cavity 6. The cylinder buffer 4 is a gas compression cylinder, as shown in fig. 7, and the gas pressure inside the cylinder buffer increases with the increase of the compression distance, and the force required for compressing the cylinder increases with the increase of the compression distance.

Fig. 8 shows a structure diagram of a free state of the cylinder buffer, fig. 9 shows a structure diagram of a compression state of the cylinder buffer, the cylinder buffer 4 is installed on the rotating pin box 2 after being compressed through a tool, the rotating pin mechanism 3 is installed in the lower cavity 7, and the installation process of the whole end beam buffering device is as follows: the compressed oil cylinder buffer 4 is installed on the rotary pin box 2 through the tool, the oil cylinder buffer 4 is recovered to the free initial state, the rotary pin mechanism 3 is installed in the rotary pin box 2, and the whole set of end beam buffering device is assembled.

In addition, the rotating pin mechanism 3 comprises a rotating handle 9 and a rotating pin 10, the rotating pin 10 is driven to rotate through the rotating handle 9, the function of the rotating pin mechanism is reserved, the rotating pin action under different working conditions can be solved, and the rotating pin mechanism is matched with the oil cylinder buffer 4 for use to carry out hoisting operation. The kingpin box 2 is connected with the contact of the container corner accessory of outside, and the container corner accessory drives the kingpin box 2 and reciprocates.

The working process of the whole end beam buffering device is as follows:

under the normal state, the oil cylinder buffer is in a free extension state as shown in fig. 8, the kingpin box 2 is under the action of the oil cylinder buffer 4, the kingpin box 2 is in a limit state, the lower surface of a bottom plate of an end beam of a lifting appliance is protruded by 60mm, the lifting appliance enters a corner accessory of the container when the lifting appliance is in a container process, the kingpin box 2 is firstly contacted with the corner accessory of the container, the kingpin box 2 rises upwards to compress the oil cylinder buffer 4, the compression distance is larger, the pressure is larger until the kingpin box 2 is flush with the lower surface of the bottom plate of the end beam of the lifting appliance, at the moment, the oil cylinder buffer 4 is in a complete compression state as shown in fig. 9, after the lifting appliance is lifted, the kingpin 10 is driven by a rotating handle 9 to rotate, after the kingpin mechanism 3 is locked, the lifting appliance is lifted, the kingpin box 2 descends under the action of the container, the oil cylinder buffer 4 is gradually restored to an initial extension state, and the kingpin box 2 drives the container to lift.

Finally, it should be noted that, although the present invention has been described with reference to the present specific embodiments, it should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that various equivalent changes or substitutions can be made without departing from the spirit of the present invention, and therefore, the changes and modifications to the above embodiments within the spirit of the present invention are all within the scope of the claims of the present invention.

Claims

1. The utility model provides an end beam buffer, its characterized in that includes hoist end beam, commentaries on classics round pin case, commentaries on classics round pin mechanism and hydro-cylinder buffer, be equipped with the step on the commentaries on classics round pin case, the commentaries on classics round pin case passes through the step is erect on the hoist end beam and stretch out hoist end beam, the hydro-cylinder buffer compression is installed change round pin roof portion, commentaries on classics round pin mechanism installs the bottom in the commentaries on classics round pin case.

2. The end beam cushioning device of claim 1, wherein said pivot pin housing includes a cavity therein, said cavity including an upper cavity and a lower cavity, said upper cavity having said cylinder bumper disposed thereon, said pivot pin mechanism being disposed within said lower cavity.

3. The end beam buffering device as claimed in claim 2, wherein the top end face of the upper cavity is provided with a circular hole, and the inner diameter of the circular hole is larger than the outer diameter of the bottom end face of the cylinder buffer.

4. An end beam draft gear according to claim 1, wherein said kingpin box is in contact with an external corner fitting of a container, said corner fitting of the container moving said kingpin box up and down.

5. The end beam cushioning device of claim 1, wherein said pivot pin mechanism comprises a pivot handle and a pivot pin, said pivot handle rotating said pivot pin.