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CN-224226524-U - Movable gantry crane

CN224226524UCN 224226524 UCN224226524 UCN 224226524UCN-224226524-U

Abstract

The utility model relates to the technical field of gantry hangers, in particular to a movable gantry crane which comprises a U-shaped frame A, U, a sliding frame and a driving component B, wherein a group of power wheels are respectively arranged at each corner of the bottom of the U-shaped frame A, two supporting columns are symmetrically arranged on the U-shaped frame A, two supporting arms of the U-shaped frame B are respectively and rotatably connected with supporting columns at corresponding sides, a lifting component is arranged at the transverse end of the U-shaped frame B, a driving component A for adjusting the inclination angle between the U-shaped frame B and the U-shaped frame A is arranged on the U-shaped frame A, the sliding frame is arranged at the inner side of an opening of the U-shaped frame A and is in sliding connection with the U-shaped frame A, the driving component B is arranged on the U-shaped frame A, and the driving component B drives the sliding frame to slide along the transverse end of the U-shaped frame A in a working state. According to the utility model, the transportation direction can be rapidly switched, the lifted object is protected, and meanwhile, the U-shaped frame B can be adaptively adjusted to keep a vertical state all the time when the slope moves, so that side turning is avoided.

Inventors

  • SHI FEI

Assignees

  • 石非

Dates

Publication Date
20260512
Application Date
20250612

Claims (7)

  1. 1. A mobile gantry crane, comprising: The device comprises a U-shaped frame A (1), wherein a group of power wheels are respectively arranged at each corner of the bottom of the U-shaped frame A (1), and two support columns (4) are symmetrically arranged on the U-shaped frame A (1); The device comprises a U-shaped frame B (6), wherein two supporting arms of the U-shaped frame B (6) are respectively connected with supporting columns (4) at corresponding sides in a rotating way, a hoisting assembly is arranged at the transverse end of the U-shaped frame B (6), and a driving assembly A for adjusting the inclination angle between the U-shaped frame B (6) and the U-shaped frame A (1) is arranged on a U-shaped frame A (1); The sliding frame (12) is arranged at the inner side of the opening of the U-shaped frame A (1) and is in sliding connection with the two transverse ends of the U-shaped frame A (1); And the driving assembly B (17), the driving assembly B (17) is set up on U-shaped frame A (1), the driving assembly B (17) drives the sliding frame (12) to slide along the horizontal end of U-shaped frame A (1) under the working condition.
  2. 2. A mobile gantry crane according to claim 1, characterized in that a universal wheel (5) is arranged on the U-shaped frame a (1) below the two support columns (4), respectively.
  3. 3. The movable gantry crane according to claim 1, wherein the power wheel comprises a Mecanum wheel (2) and a motor (3), the bottom of the U-shaped frame A (1) is provided with a wheel frame, the Mecanum wheel (2) is rotationally connected with the wheel frame, the body of the motor (3) is connected with the wheel frame, and the output end of the motor (3) is connected with a mounting shaft of the Mecanum wheel (2).
  4. 4. The movable gantry crane of claim 1, wherein the driving assembly A comprises a hydraulic cylinder (9), an inclination sensor (10) and a controller, the body of the hydraulic cylinder (9) is rotationally connected with the U-shaped frame A (1), the movable end of the hydraulic cylinder (9) is rotationally connected with the U-shaped frame B (6), the inclination sensor (10) and the controller are arranged on the U-shaped frame B (6), and the inclination sensor and the control valve of the hydraulic cylinder (9) are electrically connected with the controller.
  5. 5. A mobile gantry crane according to claim 1, characterized in that the two support arms of the U-shaped frame a (1) are provided with a guide rail (11) on each side thereof adjacent to each other, and that the two ends of the carriage (12) are respectively clamped on the guide rail (11) on the corresponding side and are in sliding connection therewith.
  6. 6. The movable gantry crane according to claim 1, wherein a movable plate A (13) rotationally connected with the carriage (12) is arranged on the carriage (12), one end of the movable plate A (13) away from the carriage (12) is rotationally provided with a movable plate B (14), one end of the movable plate B (14) away from the movable plate A (13) is provided with a spline shaft (15), the spline shaft (15) is rotationally connected with the U-shaped frame A (1), and a coil spring (16) for driving the spline shaft (15) to rotate is arranged on the U-shaped frame A (1).
  7. 7. A mobile gantry crane according to claim 1, characterized in that the drive assembly B (17) comprises a scissor jack and a hydraulic cylinder B driving the scissor jack to retract, the body of the scissor jack being connected to the U-shaped frame a (1), the movable part of the scissor jack being connected to the carriage (12).

Description

Movable gantry crane Technical Field The utility model relates to the technical field of gantry cranes, in particular to a movable gantry crane. Background The gantry crane is hoisting equipment and is mainly used for solving the field hoisting problems of large span, large hoisting weight and large hoisting height. The steel rail consists of a cross rod, an inclined rod, an upright post and a foot margin, and is usually processed by adopting a whole steel structure, such as a steel plate and other materials. The design and manufacture of the gantry crane introduces western technology, has the characteristics of modern hoisting equipment, and most of the existing gantry cranes are fixedly installed and move on the existing rails, and also have movable gantry cranes. The Chinese patent with the publication number of CN221836615U discloses a movable telescopic lifting gantry crane, which is provided with a clamping plate, when the gantry crane lifts an object, the object is clamped by the clamping plate, so that operators are prevented from being accidentally injured by the object during the lifting process, and the stability of clamping two sides of the object is improved. However, the device still has the defects that the gantry crane is easy to turn on one's side when moving on a slope and transporting objects, and traction equipment is needed when ascending and descending, otherwise, the gantry crane is easy to slide. Disclosure of utility model The utility model aims to solve the problems in the background technology and provides a movable gantry crane. The technical scheme of the utility model is that the movable gantry crane comprises a U-shaped frame A, wherein a group of power wheels are respectively arranged at each corner at the bottom of the U-shaped frame A, and two support columns are symmetrically arranged on the U-shaped frame A; The U-shaped frame B is rotatably connected with the support columns at the corresponding sides respectively, a hoisting component is arranged at the transverse end of the U-shaped frame B, and a driving component A for adjusting the inclination angle between the U-shaped frame B and the U-shaped frame A is arranged on the U-shaped frame A; The sliding frame is arranged at the inner side of the opening of the U-shaped frame A and is in sliding connection with the two transverse ends of the U-shaped frame A; And the driving component B is arranged on the U-shaped frame A and drives the sliding frame to slide along the transverse end of the U-shaped frame A in the working state. Preferably, a universal wheel is respectively arranged below the two support columns on the U-shaped frame A. Preferably, the power wheel comprises a Mecanum wheel and a motor, the bottom of the U-shaped frame A is provided with a wheel frame, the Mecanum wheel is rotationally connected with the wheel frame, the body of the motor is connected with the wheel frame, and the output end of the motor is connected with a mounting shaft of the Mecanum wheel. Preferably, the driving assembly A comprises a hydraulic cylinder, an inclination angle sensor and a controller, the body of the hydraulic cylinder is rotationally connected with the U-shaped frame A, the movable end of the hydraulic cylinder is rotationally connected with the U-shaped frame B, the inclination angle sensor and the controller are both arranged on the U-shaped frame B, and the inclination angle sensor and a control valve of the hydraulic cylinder are both electrically connected with the controller. Preferably, one side of the two supporting arms of the U-shaped frame A, which are close to each other, is respectively provided with a guide rail, and two ends of the sliding frame are respectively clamped on the guide rails on the corresponding sides and are in sliding connection with the guide rails. Preferably, the sliding frame is provided with a movable plate A which is rotationally connected with the sliding frame, one end of the movable plate A, which is far away from the sliding frame, is rotationally provided with a movable plate B, one end of the movable plate B, which is far away from the movable plate A, is provided with a spline shaft, the spline shaft is rotationally connected with the U-shaped frame A, and the U-shaped frame A is provided with a coil spring for driving the spline shaft to rotate. Preferably, the driving component B comprises a scissor type expansion bracket and a hydraulic cylinder B for driving the scissor type expansion bracket to stretch and retract, the body of the scissor type expansion bracket is connected with the U-shaped bracket A, and the movable part of the scissor type expansion bracket is connected with the sliding frame. Compared with the prior art, the utility model has the following beneficial technical effects: The device can quickly adjust the transportation direction by arranging the Mecanum wheel and a motor for controlling the Mecanum wheel to independently rotate, the running speed is