Search

CN-122009763-A - Crown block for material conveying and material conveying method

CN122009763ACN 122009763 ACN122009763 ACN 122009763ACN-122009763-A

Abstract

The invention discloses a crown block for conveying materials and a material conveying method, which relate to the field of crown block equipment, wherein a feeding part is rotationally connected with a self-propelled moving unit through an upper rotating pair, a blanking part is rotationally arranged below the feeding part through a lower rotating pair, the axes of the upper rotating pair and the lower rotating pair are mutually perpendicular, the whole gravity centers of the feeding part and the blanking part are positioned below the lower rotating pair axis, based on the structure, when the self-propelled moving unit shakes due to external influence, the feeding part and the blanking part can carry out self-adaptive rotation adjustment along the upper rotating pair, the lower rotating pair or the combination of the upper rotating pair and the lower rotating pair under the action of the gravity center, so that the stable posture of the feeding part and the blanking part is kept approximately vertical, and the feeding part and the blanking part do not shake synchronously along with the self-propelled moving unit.

Inventors

  • Yu Lanxiang
  • ZHAO YONG
  • LI KAIXUAN

Assignees

  • 广州崮德技术有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (10)

  1. 1. The crown block for conveying materials is characterized by comprising a moving part, a material conveying part and an adjusting and stabilizing part, wherein the moving part comprises a crown block truss and a self-propelled moving unit, the self-propelled moving unit can transversely or longitudinally move along the crown block truss, and the material conveying part is arranged on the self-propelled moving unit so that the self-propelled moving unit can drive the material conveying part to transversely or longitudinally move on the crown block truss; The material conveying part comprises a feeding part, a blanking part, an upper rotating pair and a lower rotating pair, wherein the feeding part is rotatably arranged on the self-propelled moving unit through the upper rotating pair, the blanking part is rotatably arranged below the feeding part through the lower rotating pair, the axes of the upper rotating pair and the lower rotating pair are vertically arranged, the feeding part and the blanking part are vertically communicated, the gravity centers of the whole feeding part and the blanking part are positioned below the lower rotating pair, and the feeding part and the blanking part can be rotatably adjusted along at least one of the upper rotating pair and the lower rotating pair under the action of the gravity center when the self-propelled moving unit shakes, so that the feeding part and the blanking part are kept stable; The adjusting and stabilizing part comprises a plurality of telescopic adjusting units, the telescopic adjusting units are arranged on the self-propelled moving unit and are respectively located around the material conveying part, the telescopic adjusting units can stretch and fold synchronously, so that the telescopic adjusting units can synchronously abut against the periphery of the material conveying part to clamp and position the material conveying part, the telescopic adjusting units can independently stretch and adjust when the self-propelled moving unit shakes, and the material conveying part is driven to rotate along at least one of the upper rotating pair and the lower rotating pair, so that the material conveying part is kept stable.
  2. 2. The crown block for transporting materials according to claim 1, wherein the self-propelled moving unit comprises a longitudinal traveling unit and a transverse traveling unit, the longitudinal traveling unit can travel and translate along the longitudinal direction of the crown block truss in a reciprocating manner, the transverse traveling unit can travel and translate along the transverse direction on the longitudinal traveling unit in a reciprocating manner, and the material transporting part and the adjusting and stabilizing part are both arranged on the transverse traveling unit.
  3. 3. The crown block for conveying materials according to claim 2, wherein the longitudinal traveling unit comprises a longitudinal guide rail and a longitudinal traveling frame, the longitudinal guide rail is paved and installed on a longitudinal truss of the crown block truss, the longitudinal traveling frame is rotatably provided with longitudinal traveling wheels, the lower rolling surface of the longitudinal traveling wheels is supported on the rail surface of the longitudinal guide rail, and the longitudinal traveling frame is also provided with a longitudinal traveling driving piece capable of driving the longitudinal traveling wheels to rotationally roll on the longitudinal guide rail; the transverse traveling unit comprises a traveling carriage and a transverse guide rail, the transverse guide rail is paved on the top surface of the longitudinal traveling frame, transverse traveling wheels are rotatably installed on the traveling carriage, the lower rolling surface of each transverse traveling wheel is supported on the track surface of the transverse guide rail, a transverse traveling driving piece capable of driving the transverse traveling wheels to rotationally roll on the transverse guide rail is further installed on the traveling carriage, and the material conveying part and the adjusting and stabilizing part are installed on the traveling carriage.
  4. 4. The crown block for transporting materials as set forth in claim 3, wherein the longitudinal traveling frame and the traveling block are rotatably provided with limit wheels, and the rolling surfaces of the limit wheels are abutted against the side surfaces of the corresponding longitudinal guide rail or transverse guide rail.
  5. 5. The crown block for transporting materials according to claim 1, wherein the material transporting portion further comprises a bracket fixedly installed on the self-propelled moving unit, an upper rotation adjusting shaft serving as an upper rotation pair is rotatably installed at the upper end of the bracket, the feeding portion comprises a feeding hopper, and the side wall of the feeding hopper is connected with the upper rotation adjusting shaft; the blanking portion includes the blanking hopper, the blanking hopper sets up in the below of feeder hopper, just the bottom discharge portion of feeder hopper extends to the inside of blanking hopper, the top fixed mounting of blanking hopper has the otic placode, rotate on the otic placode and install the lower rotatory governing shaft as lower revolute pair, the tip of lower rotatory governing shaft is installed on the lateral wall of feeder hopper, and the axis of lower rotatory governing shaft and last rotatory governing shaft sets up perpendicularly.
  6. 6. The crown block for material conveying according to claim 5, wherein a feed hopper limit slide rail is fixedly arranged on the inner wall of the bracket, a feed hopper limit guide block which can be slidably clamped in the feed hopper limit slide rail is fixedly arranged on the outer wall of the feed hopper, the feed hopper limit slide rail and the feed hopper limit guide block are of circular arc structures, and the circle centers of the feed hopper limit slide rail and the feed hopper limit guide block are positioned on the same axis with the circle center of the upper rotation adjusting shaft; the utility model discloses a blanking hopper, including blanking hopper, limiting slide rail, limiting guide block, lower rotary adjusting shaft, blanking hopper, limiting slide rail, limiting guide block, and lower rotary adjusting shaft.
  7. 7. The overhead travelling crane for conveying materials as set forth in claim 5, wherein the bottom end of the blanking hopper is connected with a blanking pipe, the lower end of the blanking pipe extends to the lower side of the self-propelled moving unit through a through groove on the self-propelled moving unit, a bottom plate is fixedly installed on the outer wall of the lower end of the blanking pipe, and a balancing weight is supported and installed on the bottom plate.
  8. 8. The crown block for material conveying according to claim 1, wherein the telescopic adjusting unit comprises a telescopic driving piece, the telescopic driving piece is fixedly arranged on the self-propelled moving unit, a telescopic end of the telescopic driving piece extends to one side of the outer wall of the blanking portion and is fixedly provided with a limiting head, the limiting head is provided with a buffer connecting piece, the buffer connecting piece is connected with a limiting plate, the buffer connecting piece can buffer and damp the limiting plate and the blanking portion when the limiting plate is abutted against the outer wall of the blanking portion, and the buffer connecting piece can conduct angle adjustment on the limiting plate, so that the limiting plate can be always clung to the outer wall of the blanking portion when the angle changes in the rotation adjusting process of the blanking portion.
  9. 9. The crown block for material conveying according to claim 8, wherein the buffer connection piece comprises a plurality of buffer connection units, the buffer connection units are circumferentially distributed and mounted on an inner ring of the limiting head, and one ends of the buffer connection units are rotationally connected with the back surface of the limiting plate; The buffer connection unit comprises a guide shaft, the guide shaft is fixedly arranged on the inner wall of the limiting head, a sliding sleeve is sleeved on the guide shaft in a sliding manner, the sliding sleeve can rotate relative to the guide shaft, a connecting rod is rotatably arranged on the outer ring of the sliding sleeve, one end of the connecting rod is rotatably connected with the back of the limiting plate, one end of the guide shaft is sleeved with a buffer spring which is abutted to the outer side end of the sliding sleeve, and the other end of the guide shaft is fixedly provided with an end plate which is used for limiting the sliding sleeve in an abutting manner.
  10. 10. A material conveying method using the crown block for material conveying according to any one of claims 1 to 9, characterized by comprising the following specific steps: Conveying the material into a blanking part through a feeding part, so that the material is conveyed downwards in the blanking part for blanking; The self-propelled moving unit drives the feeding part and the blanking part to move transversely or longitudinally on the crown block truss so as to adjust the blanking conveying position; When the self-propelled moving unit shakes, the feeding part and the blanking part can be rotationally adjusted along at least one of the upper rotating pair and the lower rotating pair under the action of the gravity center, so that the feeding part and the blanking part can keep a stable vertical blanking conveying state; Simultaneously, the plurality of telescopic adjusting units are independently telescopic to drive the feeding part and the blanking part to be rotatably adjusted along at least one of the upper rotating pair and the lower rotating pair so as to perform active stable adjustment of the feeding part and the blanking part.

Description

Crown block for material conveying and material conveying method Technical Field The invention belongs to the field of crown block equipment, and particularly relates to a crown block for material conveying and a material conveying method. Background The overhead travelling crane for conveying materials, also called bridge crane, is a high-efficiency material conveying device which spans the space above a workshop, a warehouse or a stock yard. The main structure of the material lifting device mainly comprises main beams (bridges) erected on overhead tracks on two sides and lifting trolley groups transversely moving along the main beams, and can realize accurate lifting and conveying of the material in a three-dimensional space. The equipment is widely applied to industries such as metallurgy, manufacturing, logistics, ports and the like, and is commonly used for operating scenes such as loading and unloading of heavy objects, material transfer of production lines, equipment installation and maintenance and the like. In the field of ocean engineering, the crown block can also be mounted on an engineering ship to assist in carrying out equipment and material conveying operation. However, due to the influence of the sea storm, the engineering ship often generates continuous swinging movement, which further causes the overhead travelling crane system on the ship to shake, and seriously influences the stability and the operation safety of the material conveying process. Disclosure of Invention Aiming at the problems in the related art, the invention provides a crown block for conveying materials and a material conveying method, so as to overcome the technical problems in the prior art. In order to solve the technical problems, the invention is realized by the following technical scheme: The invention relates to a crown block for conveying materials, which comprises a moving part, a material conveying part and an adjusting and stabilizing part, wherein the moving part comprises a crown block truss and a self-propelled moving unit, the self-propelled moving unit can transversely or longitudinally move along the crown block truss, and the material conveying part is arranged on the self-propelled moving unit so that the self-propelled moving unit can drive the material conveying part to transversely or longitudinally move on the crown block truss; The material conveying part comprises a feeding part, a blanking part, an upper rotating pair and a lower rotating pair, wherein the feeding part is rotatably arranged on the self-propelled moving unit through the upper rotating pair, the blanking part is rotatably arranged below the feeding part through the lower rotating pair, the axes of the upper rotating pair and the lower rotating pair are vertically arranged, the feeding part and the blanking part are vertically communicated, the gravity centers of the whole feeding part and the blanking part are positioned below the lower rotating pair, and the feeding part and the blanking part can be rotatably adjusted along at least one of the upper rotating pair and the lower rotating pair under the action of the gravity center when the self-propelled moving unit shakes, so that the feeding part and the blanking part are kept stable; The adjusting and stabilizing part comprises a plurality of telescopic adjusting units, the telescopic adjusting units are arranged on the self-propelled moving unit and are respectively located around the material conveying part, the telescopic adjusting units can stretch and fold synchronously, so that the telescopic adjusting units can synchronously abut against the periphery of the material conveying part to clamp and position the material conveying part, the telescopic adjusting units can independently stretch and adjust when the self-propelled moving unit shakes, and the material conveying part is driven to rotate along at least one of the upper rotating pair and the lower rotating pair, so that the material conveying part is kept stable. Preferably, the self-propelled moving unit comprises a longitudinal moving unit and a transverse moving unit, the longitudinal moving unit can reciprocate along the longitudinal direction of the crown block truss and move horizontally, the transverse moving unit can reciprocate along the transverse direction on the longitudinal moving unit and move horizontally, and the material conveying part and the adjusting stabilizing part are both arranged on the transverse moving unit. Preferably, the longitudinal traveling unit comprises a longitudinal guide rail and a longitudinal traveling frame, the longitudinal guide rail is paved and installed on a longitudinal truss of the crown block truss, the longitudinal traveling frame is rotatably provided with longitudinal traveling wheels, the lower rolling surface of each longitudinal traveling wheel is supported on the track surface of the longitudinal guide rail, and the longitudinal traveling frame is also provided