CN220182589U - Fixed container hoisting mechanism - Google Patents

Abstract

The fixed container lifting mechanism comprises a lifting drum and a lifting motor, wherein a power output shaft of the lifting motor is in transmission connection with the lifting drum, a fixed pulley block is rotatably assembled on the right side of the top end of a crane beam frame, a container lifting tool is arranged below the crane beam frame, a movable pulley assembly is arranged on the top end of the container lifting tool, two movable pulley assemblies at the left end of the container lifting tool are respectively in transmission connection with the lifting drum through steel wires, two movable pulley assemblies at the right end of the container lifting tool are connected onto the lifting drum through steel wires and bypass the fixed pulley block, container locking heads are arranged at the bottom end of the container lifting tool, and each container locking head is connected with a power mechanism; the utility model has the advantages that the mechanism is simple and convenient to use.

Description

Fixed container hoisting mechanism

Technical Field

The utility model belongs to the technical field of container handling, and particularly relates to a fixed container lifting mechanism.

Background

The container refers to a large-sized cargo container with certain strength, rigidity and specification specially used for turnover, the container is used for transporting cargo, the cargo can be directly loaded in a warehouse of a consigner, the cargo is transported to a warehouse of a consigner for unloading, the cargo does not need to be taken out from the container for replacement when the truck and the ship are replaced halfway, the container lifting device refers to a special lifting device for loading and unloading the container, the special lifting device is connected with top angle accessories of the container through screw locks at four corners of a cross beam at the end part of the special lifting device, the opening and closing of the screw locks are controlled by a driver operation, the container loading and unloading operation is carried out, the container lifting device can be divided into four types of fixed type, master-slave type, sub-master type and telescopic type according to the structural characteristics, the rotary lifting device, the double-box lifting device and the movable double-box lifting device are derived on the basis, the lifting mechanism of the container lifting device is lifted and moved through a lifting mechanism of a crane after the container lifting device is lifted, so that the container lifting device of the existing crane generally comprises two lifting mechanisms, namely a lifting drum mechanism and a lifting motor are arranged above two lifting motor sets at two ends of the container lifting devices, and the lifting motor sets of lifting mechanism are difficult to realize the same function when the two lifting motor sets of lifting mechanisms are independently; in addition, in the existing lifting mechanism, the condition of swinging easily occurs when the container is lifted, so that poor stability is caused. Therefore, the existing container lifting mechanism is low in positioning precision due to the existence of accumulated errors, and the existing container lifting mechanism is easy to shake when the container is lifted.

Disclosure of Invention

The utility model provides a fixed container lifting mechanism, which aims to solve the technical problems that the positioning precision is low and the container is easy to shake when the container is lifted due to different heights of two ends of a container lifting appliance caused by accumulated errors. The right side on crane beam frame top rotatable be equipped with two fixed pulley groups that the symmetry set up, crane beam frame's below is equipped with the container spreader that the level set up, container spreader's top four corners department all is equipped with movable pulley assembly, container spreader left end two movable pulley assemblies pass through wire rope transmission respectively and connect on lifting drum, container spreader right-hand member two movable pulley assemblies pass through wire rope and bypass fixed pulley group and connect on lifting drum, and container spreader's bottom is equipped with a plurality of container tapered end that is used for locking the container, power unit is all connected to each container tapered end, start lifting motor, lifting motor drives lifting drum rotation, lifting drum passes through wire rope and pulls container spreader respectively, realize container spreader's lift. The crane beam frame and the container spreader are provided with two groups of guide mechanisms which are symmetrical and are arranged at intervals, the upper ends of the guide mechanisms are assembled on the crane beam frame, the lower ends of the guide mechanisms are fixed at the top ends of the container spreader, the guide mechanisms comprise two support beams which are horizontally arranged, the two support beams are arranged at intervals up and down, the end parts of the two support beams are fixed on the crane beam frame, the two ends of the support beams are sleeved with guide columns which are vertically arranged, roller brackets are fixed on the support beams around the guide columns, guide rollers are rotatably assembled on the roller brackets, the guide rollers are in rolling fit with the guide columns, each guide roller vertically moves upwards when the container spreader ascends under the traction of a steel wire rope, each guide roller plays a role of limiting guide, the container spreader shakes under the action of the guide columns, the stability is enhanced, and each guide column vertically moves downwards when the container spreader descends.

Preferably, the cross section of the guide post is square quadrangular, so that the guide roller is in rolling fit with the guide post.

Preferably, the length of the guide post is longer than the distance between the upper and lower support beams.

Preferably, both ends of the crane beam frame are provided with upper end beams, the crane beam frame is detachably fixed on the upper end beams, and the upper end beams play a supporting role.

Preferably, both ends of the upper end beam are provided with cart travelling mechanisms, and the cart travelling mechanisms comprise cart travelling wheels rotatably arranged on the upper end beam and cart travelling motors fixed on the upper end beam, and power output shafts of the cart travelling motors are in transmission connection with the cart travelling wheels.

The adoption of the scheme has the following advantages:

the lifting mechanism adopts one lifting motor, and the lifting of the container spreader is realized by winding the steel wire rope around the fixed pulley block and the movable pulley block, compared with the lifting of the two ends of the container spreader by two lifting mechanisms at the same time, the lifting heights of the two ends of the container spreader caused by accumulated errors are reduced, and the accuracy is improved; the arrangement of the guide mechanism ensures that the container lifting appliance always keeps ascending or descending in the vertical direction in the ascending or descending process through the arrangement of a plurality of groups of guide rollers and guide columns, reduces left-right or front-back swing, enhances stability and improves accuracy; the arrangement of the upper end beam and the cart travelling mechanism can drive the container lifting sling to integrally move, so that the container can be conveniently carried.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic diagram of a connection between a lifting reel and a traveling block assembly;

FIG. 4 is a schematic view of the connection of the fixed pulley block and the movable pulley assembly;

FIG. 5 is an enlarged schematic view of the portion A of FIG. 1;

fig. 6 is an enlarged schematic view of the portion B of fig. 2.

Reference numerals: 1. a crane beam frame; 2. a lifting mechanism; 3. a container spreader; 4. a guide mechanism; 11. an upper end beam; 12. a cart travel mechanism; 21. lifting the winding drum; 22. a lifting motor; 23. a brake; 24. a speed reducer; 25. a fixed pulley block; 26. a wire rope; 31. a movable pulley assembly; 32. a container lock; 41. a support beam; 42. a guide post; 43. a roller bracket; 44. and a guide roller.

Detailed Description

As shown in fig. 1-6, a fixed container lifting mechanism comprises a lifting mechanism 2 arranged on a crane beam frame 1, wherein the lifting mechanism 2 comprises a lifting reel 21 and a lifting motor 22, the lifting reel 21 is rotatably assembled on the left side of the top end of the crane beam frame 1 through a reel bracket, a power output shaft of the lifting motor 22 is in transmission connection with the lifting reel 21, the lifting mechanism 2 further comprises a brake 23, the brake 23 is assembled on a power output shaft of the lifting motor 22, a speed reducer 24 is further arranged between the lifting motor 22 and the lifting reel 21, the power output shaft of the lifting motor 22 is in transmission connection with a power input shaft of the speed reducer 24, and the power output shaft of the speed reducer 24 is in transmission connection with the lifting reel 21. The right side on crane beam frame 1 top rotatable be equipped with two fixed pulley group 25 that the symmetry set up, crane beam frame 1's below is equipped with the container spreader 3 that the level set up, container spreader 3's top four corners department all is equipped with movable pulley assembly 31, two movable pulley assembly 31 of container spreader 3 left end are connected on lifting drum 21 through wire rope 26 transmission respectively, two movable pulley assembly 31 of container spreader 3 right-hand member are connected on lifting drum 21 through wire rope 26 and bypassing fixed pulley group 25, and container spreader 3's bottom is equipped with a plurality of container tapered end 32 that are used for locking the container, each container tapered end 32 all connects power unit, start lifting motor 22, lifting motor 22 drives lifting drum 21 rotation, lifting drum 21 pulls container spreader 3 through wire rope 26 respectively, realize lifting of container spreader 3. Two groups of symmetrical and spaced guide mechanisms 4 are arranged between the crane beam frame 1 and the container spreader 3, the upper ends of the guide mechanisms 4 are assembled on the crane beam frame 1, the lower ends of the guide mechanisms 4 are fixed at the top ends of the container spreader 3, the guide mechanisms 4 comprise two horizontally arranged support beams 41, the two support beams 41 are arranged at intervals up and down, the end parts of the two support beams 41 are fixed on the crane beam frame 1, the two ends of the support beams 41 are respectively sleeved with guide columns 42 in vertical arrangement, roller supports 43 are respectively fixed on the support beams 41 around the guide columns 42, guide rollers 44 are rotatably assembled on the roller supports 43, the guide rollers 44 are in rolling fit with the guide columns 42, when the container spreader 3 ascends under the traction of the steel wire ropes 26, the guide columns 42 respectively move vertically upwards, the guide rollers 44 play a limiting guide role, the container spreader 3 is shake-reduced under the action of the guide columns 42, the stability is enhanced, and when the container spreader 3 descends, the guide columns 42 respectively move vertically downwards.

Preferably, the guide post 42 is square in cross section and is square in shape to facilitate the roll-fit of the guide roller 44 to the guide post 42.

Preferably, the length of the guide post 42 is longer than the distance between the upper and lower support beams 41.

Preferably, both ends of the crane beam frame 1 are provided with upper end beams 11, the crane beam frame 1 is detachably fixed on the upper end beams 11, and the upper end beams 11 play a supporting role.

Preferably, both ends of the upper end beam 11 are provided with a cart running mechanism 12, and the cart running mechanism 12 comprises cart running wheels rotatably arranged on the upper end beam 11 and cart running motors fixed on the upper end beam 11, and a power output shaft of each cart running motor is in transmission connection with each cart running wheel.

The using process comprises the following steps:

when the container lifting device is used, firstly, the large trolley travelling mechanism 12 on the upper end beam 11 is started, the large trolley travelling mechanism 12 drives the crane beam frame 1 to move, when the crane beam frame 1 moves to the position right above a container to be lifted, the large trolley travelling mechanism 12 is stopped, then, the lifting motor 22 on the lifting mechanism 2 is started, the lifting motor 22 drives the lifting drum 21 to release the steel wire rope 26, at the moment, the guide column 42 vertically moves downwards under the action of each guide roller 44, the container lifting tool 3 vertically moves downwards under the limiting action of the guide column 42, when the container lifting tool 3 moves to the position of the container to be lifted, the container is locked through the container locking head assembly 32, then, the lifting motor 22 is started again, the lifting motor 22 drives the lifting drum 21 to wind the steel wire rope 26, the steel wire rope 26 pulls the container lifting tool 3 to vertically move upwards, the large trolley travelling mechanism 12 is started, and when the container moves to a designated position, the container is unloaded, and the container lifting tool 3 is carried out to the carrying work of the next container.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (7)

1. The utility model provides a fixed container hoisting mechanism, includes the hoisting mechanism who sets up on the hoist roof beam structure, and hoisting mechanism is including lifting reel and play to rise the motor, and it is left at the top of hoist roof beam structure that the reel passes through the rotatable assembly of reel support to play to rise the reel, and plays to rise the power take off shaft of motor and play to rise the reel transmission and be connected, its characterized in that: the right side of the top end of the crane beam frame is rotatably provided with two fixed pulley blocks which are symmetrically arranged, a container spreader which is horizontally arranged is arranged below the crane beam frame, movable pulley assemblies are arranged at four corners of the top end of the container spreader, the two movable pulley assemblies at the left end of the container spreader are respectively connected to a lifting reel through steel wire ropes in a transmission manner, the two movable pulley assemblies at the right end of the container spreader are connected to the lifting reel through the steel wire ropes and bypass the fixed pulley blocks, a plurality of container locking heads for locking containers are arranged at the bottom end of the container spreader, and each container locking head is connected with a power mechanism; two groups of guide mechanisms which are symmetrical and are arranged at intervals are arranged between the crane beam frame and the container spreader, the upper ends of the guide mechanisms are assembled on the crane beam frame, and the lower ends of the guide mechanisms are fixed at the top end of the container spreader.

2. A fixed container lifting mechanism as claimed in claim 1, wherein: the guiding mechanism comprises two supporting beams which are horizontally arranged, the two supporting beams are arranged at intervals up and down, the end parts of the two supporting beams are fixed on a crane beam frame, guiding columns which are vertically arranged are sleeved at the two ends of the supporting beams, roller supports are fixed on the supporting beams around the guiding columns, guiding rollers are rotatably assembled on the roller supports, and the guiding rollers are in rolling fit with the guiding columns.

3. A fixed container lifting mechanism as claimed in claim 2, wherein: the guide post is a quadrangular prism with a square cross section.

4. A fixed container lifting mechanism according to claim 3, wherein: the length of the guide post is longer than the distance between the upper support beam and the lower support beam.

5. A stationary container lifting mechanism as claimed in claim 4 wherein: the lifting mechanism further comprises a brake, and the brake is assembled on the power output shaft of the lifting motor.

6. A fixed container lifting mechanism as claimed in claim 1, wherein: the both ends of hoist roof beam structure all are equipped with the upper end roof beam, and hoist roof beam structure can dismantle and fix on the upper end roof beam.

7. A stationary container lifting mechanism as claimed in claim 6, wherein: both ends of the upper end beam are provided with cart travelling mechanisms.