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CN-120922718-B - Hoisting device with self-balancing function for container

CN120922718BCN 120922718 BCN120922718 BCN 120922718BCN-120922718-B

Abstract

The invention relates to the technical field of container hoisting, in particular to a hoisting device for a container with a self-balancing function, which comprises a frame, cross beams fixedly installed at two ends of the frame and connecting seats arranged at the top of the frame, wherein driving mechanisms are arranged in the two cross beams, locking mechanisms and two monitoring mechanisms are arranged at two ends of the two cross beams, one side of each monitoring mechanism is provided with a wedge block, and a first displacement mechanism and a second displacement mechanism are arranged in each wedge block. The invention has the advantages that the invention replaces the prior art that only a single box-attaching pin is in contact with the corner fitting, so that when the corner fitting is damaged by impact, the lock head still works without entering the lock hole, thereby causing false lock and falling accidents during subsequent lifting, the remote control system of the port container crane is directly in butt joint with the lifting device, and the lifting, transferring and lowering actions of the container are completed by controlling the lifting device through remote instructions.

Inventors

  • JIANG LIRONG
  • HE ZHENG

Assignees

  • 靖江新华港务有限公司

Dates

Publication Date
20260505
Application Date
20250911

Claims (5)

  1. 1. The lifting device for the container with the self-balancing function comprises a frame (1), cross beams (2) fixedly installed at two ends of the frame (1) and connecting seats (3) arranged at the tops of the frame (1), and is characterized in that driving mechanisms are arranged in the two cross beams (2), locking mechanisms and two monitoring mechanisms are arranged at two ends of the two cross beams (2), each locking mechanism is arranged between two adjacent monitoring mechanisms, a wedge block (22) is arranged on one side of each monitoring mechanism, a first displacement mechanism and a second displacement mechanism are arranged in each wedge block (22), a pressing frame (35) is arranged above each two adjacent wedge blocks (22) in a combined mode, guide rods I (36) are arranged at two ends of each pressing frame (35) in a sliding mode, the guide rods I (36) are fixedly installed in the corresponding cross beams (2) respectively, and a placing groove (37) is formed in one end of each pressing frame (35); The driving mechanism comprises a driving motor (6), one ends, far away from the driving motor (6), of two transmission arms (9) are provided with a first connecting hole (10), the tops, far away from the driving motor (6), of the two transmission arms (9) are provided with telescopic rods (11) in a rotating mode, the tops of the two telescopic rods (11) are provided with rotating plates (12) in a rotating mode, the tops of the two rotating plates (12) are connected with the inside of a cross beam (2) in a rotating mode, and the two transmission arms (9) are arranged in corresponding containing grooves (37) respectively; The locking mechanism comprises a lock head (14), a connecting plate (15) is fixedly arranged outside the top end of the lock head (14), a connecting shaft II (16) is fixedly arranged at one end of the top of the connecting plate (15), the connecting shaft II (16) is matched with a corresponding connecting hole I (10), a connecting hole II (17) is formed in one end of the connecting plate (15), a connecting shaft III (18) is sleeved in the connecting hole II (17), and the connecting shaft III (18) is fixedly connected with a corresponding pressing frame (35); The monitoring mechanism comprises a box pin (19) and a sensor (21), wherein the box pin (19) is in sliding connection with the cross beam (2), a first spring (20) is sleeved outside the box pin (19), the sensor (21) is fixedly arranged inside the cross beam (2), and the top end of the box pin (19) is matched with the sensor (21) and a corresponding wedge block (22); The first displacement mechanism comprises two guide rods II (23) and a U-shaped support (25), wherein the two guide rods II (23) are fixedly arranged in the cross beam (2) and are slidably arranged at two ends of a corresponding wedge block (22), springs II (24) are sleeved outside the two guide rods II (23), the U-shaped support (25) is sleeved at the end part of a corresponding pressing frame (35), one end of the U-shaped support (25) is slidably sleeved with two guide rods III (26), the two guide rods III (26) are fixedly connected with the cross beam (2), a turning rod I (27) is rotatably arranged at the bottom of the U-shaped support (25), and the bottom end of the turning rod I (27) is rotatably connected with the corresponding wedge block (22); The second displacement mechanism comprises a sliding seat (28) and a fixed shaft (33), wherein the sliding seat (28) is slidably mounted at the top of a corresponding wedge block (22), a spring III (29) is fixedly mounted between one side of the sliding seat (28) and the inner wall of the wedge block (22), a turnover rod II (30) is rotatably mounted at the top of the sliding seat (28), the top end of the turnover rod II (30) is rotatably connected with a corresponding turnover rod I (27), a push rod (31) is rotatably mounted at one end, far away from the spring III (29), of the sliding seat (28), a strip-shaped groove (32) is formed in the push rod (31), the fixed shaft (33) is fixedly mounted in the cross beam (2), and the fixed shaft (33) is arranged in the strip-shaped groove (32).
  2. 2. The lifting device for the container with the self-balancing function according to claim 1, wherein sliding rods (4) are fixedly arranged at two ends of the inside of the frame (1), two ends of the bottom of the connecting seat (3) are respectively sleeved outside the two sliding rods (4) in a sliding mode, an air cylinder (5) is fixedly arranged at the top of the frame (1), and the telescopic shaft end of the air cylinder (5) is fixedly connected with the connecting seat (3).
  3. 3. The lifting device for the container with the self-balancing function according to claim 1, wherein the driving motor (6) is fixedly arranged at the top of the cross beam (2), a support plate (7) is fixedly arranged at the output shaft end of the driving motor (6), a first connecting shaft (8) is fixedly arranged at two ends of the bottom of the support plate (7), and a driving arm (9) is sleeved outside each of the first connecting shafts (8) in a sliding mode.
  4. 4. The lifting device for the container with the self-balancing function according to claim 1, wherein the locking mechanism further comprises a fixing sleeve (13), the fixing sleeve (13) is fixedly arranged at the bottom end of the cross beam (2), and a lock head (14) is rotatably arranged in the fixing sleeve (13).
  5. 5. The lifting device with self-balancing function for a container according to claim 1, wherein the tops of the wedge-shaped blocks (22) are respectively provided with a T-shaped limiting chute (34), and the sliding seats (28) are respectively and slidably arranged in the T-shaped limiting chute (34) corresponding to the sliding seats.

Description

Hoisting device with self-balancing function for container Technical Field The invention relates to the technical field of container hoisting, in particular to a hoisting device for a container with a self-balancing function. Background The lifting of the container is mainly carried out through a lifting appliance, the lifting appliance is placed on the container, the positions of four locking heads at the lower part of the lifting appliance and corner pieces at four corners of the container are adjusted, the four locking heads are embedded into the four corner pieces of the container, then steel wire ropes are connected through lifting rings at four corners at the upper part of the lifting appliance, and then a shackle and a crane are connected for lifting. The remote control system of the port container crane is directly in butt joint with the lifting device, and the lifting device is controlled by a remote instruction to finish the actions of lifting, transferring and lowering the container. The Chinese patent application with the patent number of CN201610986973.6 discloses a container lifting appliance with a novel rotary locking mechanism, which adopts rotary locking state detection to monitor the running state of the rotary locking and is matched with box pin detection to avoid the safety problem caused by disturbance of the rotary locking state and improve the safety of the whole machine, and adopts a rotary mechanical locking device to realize mechanical positioning of the rotary locking mechanism, thereby avoiding the safety problem caused by failure of an electrical system and improving the safety of the whole machine. However, in this application, only one box landing pin is set on one side of each rotating lock shaft, when the lifting appliance descends, each box landing pin can only touch one end of a corresponding container corner fitting, a single box landing pin can only judge whether the box landing pin is in contact with the corner fitting or not, whether the top surface of the corner fitting is horizontal or not cannot be judged, when the corner fitting is damaged by impact, the top surface of the corner fitting is not horizontal, the system still allows work after the box landing pin touches the corner fitting, the rotating lock shaft possibly does not enter a lock hole in the corner fitting, and when the lifting appliance lifts, false lock and falling accidents are extremely easy to cause. Disclosure of Invention The invention aims to provide a hoisting device for a container with a self-balancing function, which solves the problems in the prior art. The lifting device for the container with the self-balancing function comprises a frame, cross beams fixedly installed at two ends of the frame and connecting seats arranged at the top of the frame, wherein driving mechanisms are arranged in the two cross beams, locking mechanisms and two monitoring mechanisms are arranged at two ends of the two cross beams, each locking mechanism is arranged between the two adjacent monitoring mechanisms, a wedge block is arranged on one side of each monitoring mechanism, a first displacement mechanism and a second displacement mechanism are arranged in each wedge block, a pressing frame is arranged above each two adjacent wedge blocks, guide rods I are arranged at two ends of each pressing frame in a sliding mode, the guide rods I are fixedly installed in the cross beams corresponding to the guide rods I respectively, and a placing groove is formed in one end of each pressing frame. Preferably, the two ends inside the frame are fixedly provided with sliding rods, the two ends at the bottom of the connecting seat are respectively sleeved outside the two sliding rods in a sliding manner, the top of the frame is fixedly provided with an air cylinder, and the telescopic shaft end of the air cylinder is fixedly connected with the connecting seat. Preferably, the driving mechanism comprises a driving motor, the driving motor is fixedly mounted at the top of the cross beam, a support plate is fixedly mounted at the output shaft end of the driving motor, a first connecting shaft is fixedly mounted at two ends of the bottom of the support plate, a first transmission arm is sleeved outside the first connecting shaft in a sliding mode, a first connecting hole is formed in one end, far away from the driving motor, of the transmission arm, a telescopic rod is rotatably mounted at the top, far away from one end of the driving motor, of the transmission arm, a rotating plate is rotatably mounted at the top of the telescopic rod, the top of the rotating plate is rotatably connected with the inside of the cross beam, and the transmission arms are respectively arranged in the corresponding holding grooves. Preferably, the locking mechanism comprises a fixed sleeve, the fixed sleeve is fixedly arranged at the bottom end of the cross beam, a lock head is rotatably arranged in the fixed sleeve, a connecting plate is fixedly a