A multi-dimensional spreader for container

Abstract

The invention discloses a multi-dimensional lifting device for a container, which relates to the field of load hanging devices, and comprises a vehicle body, an operating room, a lifting device, a hanging device and a locking device, wherein the lifting device is arranged at the front of the vehicle body, and the hanging device comprises a longitudinal sliding and swinging mechanism, a transverse sliding and swinging mechanism and a bridge frame, the longitudinal sliding and swinging mechanism can drive the bridge frame to slide and swing longitudinally along the vehicle body, the transverse sliding and swinging mechanism can drive the bridge frame to slide and swing transversely along the vehicle body, and the locking devices are arranged at both ends of the bridge frame, which can realize the longitudinal movement of the container on the horizontal plane, make up for the defects of the existing lifting precision adjustment, and have high lifting efficiency; the lifting device is vertically arranged at the front end of the vehicle body, and the operating room is slidably arranged on the top of the vehicle body through a field of view driving mechanism, which can move transversely to avoid field of view obstruction of the lifting device, and has good safety in use; the invention is reasonably designed, and has the advantages of a small number of components and a fast maintenance speed.

Description

Technical Field

[0001] The present invention relates to a load hanging device for connecting with these mechanisms for transmitting lifting force to objects by mechanical means, in particular to a multi-dimensional hanger for containers. Background Art

[0002] With the development of global economy, container logistics and transportation methods are growing rapidly. In order to improve the efficiency of container lifting and handling, our company is committed to the equipment research and development in the field of container cranes.

[0003] In the Chinese invention patent application specification with application publication number CN109335948A applied by our company, a "rotating spreader for containers" is disclosed, which realizes the vertical lifting and lowering of containers through the cooperation of a lifting drive mechanism and a flexible connecting device; drives the movement of a swing frame on a rotating arm through a swing drive mechanism to realize the horizontal rotation of the container; drives the movement of an upper bridge frame on a swing frame through a sliding drive mechanism to realize the lateral movement of the container on a horizontal plane; drives the movement of the swing frame through a rotating drive mechanism to realize the vertical flipping of both ends of the container, thereby completing the unloading operation of bulk materials.

[0004] The above-mentioned slings are favored by customers for their wide application range, convenient connection and disconnection, high unloading accuracy and many other advantages. In a large number of on-site practices, its shortcomings have also been exposed: first, it has a large number of components, a complex structure, time-consuming and labor-intensive maintenance, and high cost of use; second, it cannot realize the longitudinal movement of the container on the horizontal plane, and the longitudinal position of the container still needs to be slightly adjusted by moving the large vehicle body forward and backward during the lifting operation, which has defects in adjusting the lifting accuracy; third, the gantry of the above-mentioned structure is wide and is set in front of the operating room, which partially blocks the operator's line of sight, and its use safety is poor and the lifting efficiency is low. Summary of the invention

[0005] In order to overcome the shortcomings of existing spreaders such as high maintenance cost, defects in lifting precision adjustment, poor safety in use and low lifting efficiency, the present invention provides a multi-dimensional spreader for containers which has simple and reasonable design, fast maintenance speed, compensates for the defects in lifting precision adjustment, has good safety in use and high lifting efficiency.

[0006] The technical solution adopted by the present invention to solve the technical problem is: a multi-dimensional spreader for a container, which includes a vehicle body, an operating room, a lifting device, a hanger device and a locking device, wherein the lifting device is arranged at the front of the vehicle body, and is characterized in that:

[0007] The lifting device comprises a fixed column, a movable column, a lifting guide column and a sliding frame, wherein the fixed column is vertically fixedly connected to the front end of the vehicle body, the bottom of the movable column extends into the fixed column and is slidably connected to the fixed column, and an extension hydraulic cylinder is provided between the fixed column and the movable column; the lifting guide column is vertically arranged, one end of which is connected to the top of the movable column, and the other end is slidably arranged on the fixed column; the sliding frame is slidably arranged on the lifting guide column, and a lifting hydraulic cylinder is provided between the bottom of the sliding frame and the fixed column;

[0008] The hanger device comprises a longitudinal sliding mechanism, a transverse sliding mechanism and a bridge frame.

[0009] The longitudinal sliding mechanism comprises a longitudinal sliding shaft, a longitudinal sliding frame, a longitudinal sliding hydraulic cylinder and a longitudinal swinging hydraulic cylinder, one end of the longitudinal sliding shaft is hinged on the sliding frame, the longitudinal sliding frame is slidably arranged on the longitudinal sliding shaft, the longitudinal sliding hydraulic cylinder is connected between the longitudinal sliding shaft and the longitudinal sliding frame, and the longitudinal swinging hydraulic cylinder is hinged between the longitudinal sliding shaft and the sliding frame;

[0010] The transverse sliding and swinging mechanism comprises two transverse sliding shafts, a transverse sliding frame, a transverse swing frame, a transverse sliding hydraulic cylinder and a transverse swinging hydraulic cylinder. The transverse sliding shafts are arranged horizontally and spaced apart on the longitudinal sliding frame and are arranged vertically with the longitudinal sliding shaft. The transverse sliding frame is arranged slidably on the transverse sliding shaft. The transverse swing frame is arranged rotatably on the transverse sliding shaft via a rotating connecting member. The transverse sliding hydraulic cylinder is arranged between the transverse sliding frame and the longitudinal sliding shaft. The transverse swinging hydraulic cylinder is arranged between the transverse sliding frame and the transverse swinging frame.

[0011] The bridge frame is connected to the horizontal swing frame via a flexible connection mechanism;

[0012] The locking devices are arranged at both ends of the bridge;

[0013] The operating room is slidably arranged on the top of the vehicle body via a field of view driving mechanism.

[0014] The rotating connecting piece is a turntable bearing.

[0015] The flexible connection mechanism includes four pulling components and four anti-rotation components, each of the pulling components includes an upper pulling ear, a lower pulling ear and a pulling rope, the upper pulling ear is fixed on the bottom of the horizontal swing frame, the lower pulling ear is fixed on the top of the bridge frame, and it is arranged along the length direction of the bridge frame with the corresponding upper pulling ear, and the pulling rope is connected between the upper pulling ear and the lower pulling ear; each of the anti-rotation components includes an upper anti-rotation ear, a lower anti-rotation ear and an anti-rotation rope, the upper anti-rotation ear is fixed on the top of the horizontal swing frame, the lower anti-rotation ear is fixed on the top of the bridge frame, and it is arranged diagonally with the corresponding upper anti-rotation ear, and the anti-rotation rope is connected between the upper anti-rotation ear and the lower anti-rotation ear.

[0016] The locking device comprises four long-axis rotary locks, which are respectively arranged on the four corners of the bridge frame. A locking drive mechanism is respectively arranged between the bridge frame and the long-axis rotary locks, and the locking drive mechanism drives the long-axis rotary locks to rotate accordingly.

[0017] The field of view driving mechanism includes two guide rails, a plurality of guide wheels, a rack, a gear and a hydraulic motor. The guide rails are arranged in parallel along the transverse direction of the vehicle body. The guide wheels are rotatably supported at the bottom of the operating room and rollingly cooperate with the guide wheels. The rack is arranged on the vehicle body below the operating room in a direction parallel to the guide rails. The hydraulic motor is fixed at the bottom of the operating room. The gear is connected to the output end of the hydraulic motor and meshes with the rack.

[0018] The locking drive mechanisms all include a locking oil cylinder, the cylinder body of the locking oil cylinder is arranged on the bridge frame, and the piston rods of the locking oil cylinder are respectively connected to the corresponding long-axis rotary locks.

[0019] The present invention comprises a vehicle body, an operating room, a lifting device, a hanging device and a locking device, wherein the lifting device is arranged at the front part of the vehicle body, the hanging device comprises a longitudinal sliding and swinging mechanism, a transverse sliding and swinging mechanism and a bridge frame, the longitudinal sliding and swinging mechanism can drive the bridge frame to slide and swing longitudinally along the vehicle body, the transverse sliding and swinging mechanism can drive the bridge frame to slide and swing transversely along the vehicle body, and the locking devices are arranged at both ends of the bridge frame, which can realize the longitudinal movement of the container on the horizontal plane, make up for the defects of the existing lifting precision adjustment and have high lifting efficiency; the lifting device is vertically arranged at the front end of the vehicle body, and the operating room is slidably arranged on the top of the vehicle body through the field of view driving mechanism, which can move transversely to avoid the field of view of the lifting device, and has good safety in use; the present invention has reasonable design, small number of components and fast maintenance speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural stereogram of the present invention;

[0021] Figure 2 It is a schematic diagram of the local structure of the present invention;

[0022] Figure 3 yes Figure 2 A partial enlarged view of the hanger device;

[0023] Figure 4 yes Figure 3 A top view of a partial view of the hanger device;

[0024] Figure 5 yes Figure 3 A left partial view of the hanger device;

[0025] Figure 6 yes Figure 3 A top view of a locking device;

[0026] Figure 7 It is a structural stereogram of the field of view driving mechanism in the present invention.

[0027] Markings in the figure: 1. vehicle body, 2. operating room, 3. lifting device, 31. fixed column, 32. movable column, 33. lifting guide column, 34. sliding frame, 35. extension hydraulic cylinder, 36. lifting hydraulic cylinder, 4. hanging frame device, 41. longitudinal sliding and swinging mechanism, 411. longitudinal sliding shaft, 412. longitudinal sliding frame, 413. longitudinal sliding hydraulic cylinder, 414. longitudinal swinging hydraulic cylinder, 42. transverse sliding and swinging mechanism, 421. transverse sliding shaft, 422. transverse sliding frame, 423. transverse swing frame, 424. transverse sliding hydraulic cylinder, 4 25. Lateral swing hydraulic cylinder, 426. Rotating connecting piece, 43. Bridge, 5. Locking device, 51. Long-axis rotary lock, 52. Locking drive mechanism, 521. Locking cylinder, 6. Flexible connecting mechanism, 61. Pulling assembly, 611. Upper pulling ear, 612. Lower pulling ear, 613. Pulling rope, 62. Anti-rotation assembly, 621. Upper anti-rotation ear, 622. Lower anti-rotation ear, 623. Anti-rotation rope, 7. Field of view drive mechanism, 71. Guide rail, 72. Guide wheel, 73. Rack, 74. Gear, 75. Hydraulic motor. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] like Figure 1 As shown, a multi-dimensional lifting device for a container includes a vehicle body 1, an operating room 2, a lifting device 3, a hanging device 4 and a locking device 5.

[0030] The lifting device 3 is arranged at the front of the vehicle body 1. Figure 2 As shown, it includes a fixed column 31 , a movable column 32 , a lifting guide column 33 and a sliding frame 34 .

[0031] The fixed column 31 is vertically fixedly connected to the front end of the vehicle body 1, and the bottom of the movable column 32 extends into the fixed column 31, and is slidably connected to the fixed column 31. An extension hydraulic cylinder 35 is provided between the fixed column 31 and the movable column 32, and the extension hydraulic cylinder 35 drives the movable column 32 to be lifted or dropped along the fixed column 31.

[0032] The lifting guide column 33 is vertically arranged, and its upper end is connected to the top of the movable column 32, and the lower end is slidably arranged on the fixed column 31. The lifting guide column 33 is synchronously lifted or dropped with the movable column 32.

[0033] exist Figure 2 In the embodiment, the sliding frame 34 is vertically slidably arranged on the lifting guide column 33 , and a lifting hydraulic cylinder 36 is arranged between the bottom of the sliding frame 34 and the fixed column 31 , and the extension hydraulic cylinder 35 drives the sliding frame 34 to slide up and down on the lifting guide column 33 .

[0034] The hanger device 4 includes a longitudinal sliding mechanism 41 , a transverse sliding mechanism 42 and a bridge 43 .

[0035] like Figure 3 As shown, the longitudinal sliding mechanism 41 includes a longitudinal sliding shaft 411, a longitudinal slide 412, a longitudinal sliding hydraulic cylinder 413 and a longitudinal swinging hydraulic cylinder 414. Among them, one end of the longitudinal sliding shaft 411 is hinged on the slide frame 34, the longitudinal slide 412 is slidably assembled on the longitudinal sliding shaft 411, and the longitudinal sliding hydraulic cylinder 413 is connected between the longitudinal sliding shaft 411 and the longitudinal slide 412, which drives the longitudinal slide 412 to slide on the longitudinal sliding shaft 411; refer to Figure 3 The longitudinal swing hydraulic cylinder 414 is hinged between the longitudinal sliding shaft 411 and the sliding frame 34, and drives the longitudinal sliding shaft 411 to swing toward both sides of the vehicle body 1 on a horizontal plane.

[0036] like Figure 3 , Figure 4 and Figure 5 As shown, the transverse sliding and swinging mechanism 42 includes two transverse sliding shafts 421, a transverse sliding frame 422, a transverse swing frame 423, a transverse sliding hydraulic cylinder 424 and a transverse swinging hydraulic cylinder 425. Among them, the transverse sliding shaft 421 is fixed on the longitudinal sliding frame 412 at intervals horizontally, and is vertically arranged with the longitudinal sliding shaft 411. The transverse sliding shaft 422 is slidably arranged on the transverse sliding shaft 421. The transverse swing frame 423 is rotatably arranged on the transverse sliding shaft 422 via a rotating connecting member 426. The transverse sliding hydraulic cylinder 424 is connected between the transverse sliding shaft 422 and the longitudinal sliding shaft 411, and drives the transverse sliding shaft 422 to slide on the two transverse sliding shafts 421; the transverse swinging hydraulic cylinder 425 is hinged between the transverse sliding shaft 422 and the transverse swing frame 423, and drives the rotating connecting member 426 of the transverse swing frame 423 to rotate.

[0037] In this embodiment, the rotating connection member 426 is a turntable bearing.

[0038] The bridge frame 43 is connected to the horizontal swing frame 423 via the flexible connection mechanism 6. Figure 4 As shown, in this embodiment, the flexible connection mechanism 6 includes four pulling components 61 and four anti-rotation components 62 .

[0039] Each pulling assembly 61 includes an upper pulling ear 611, a lower pulling ear 612 and a pulling rope 613. The upper pulling ear 611 is welded to the bottom of the horizontal swing frame 423, and the lower pulling ear 612 is welded to the top of the bridge frame 43. The upper pulling ear 611 and the corresponding lower pulling ear 612 are arranged along the length direction of the bridge frame 43, and the pulling rope 613 is connected between the upper pulling ear 611 and the lower pulling ear 612.

[0040] Each anti-rotation assembly 62 includes an upper anti-rotation ear 621, a lower anti-rotation ear 622 and an anti-rotation cable 623. The upper anti-rotation ear 621 is welded to the top of the transverse swing frame 423, and the lower anti-rotation ear 622 is welded to the top of the bridge frame 43. The upper anti-rotation ear 621 and the corresponding upper anti-rotation ear 621 are arranged diagonally along the transverse swing frame 423, and the anti-rotation cable 623 is connected between the upper anti-rotation ear 621 and the lower anti-rotation ear 622. The setting of the anti-rotation assembly 62 can effectively reduce the shaking of the bridge frame 43 when the longitudinal sliding swing mechanism 41 and the transverse sliding swing mechanism 42 are in action, and maintain the stability of the hoisting.

[0041] like Figure 6 As shown, the locking device 5 is arranged at both ends of the bridge 43. The locking device 5 includes four long-axis rotary locks 51, which are respectively arranged at the four corners of the bridge 43, and a locking drive mechanism 52 is respectively arranged between the bridge 43 and the long-axis rotary locks 51. In this embodiment, the locking drive mechanism 52 includes a locking cylinder 521, the cylinder body of the locking cylinder 521 is arranged on the bridge 43, and the piston rod of the locking cylinder 521 is respectively connected to the corresponding long-axis rotary lock 51. The piston rod of the locking cylinder 521 can be extended and retracted to drive the corresponding long-axis rotary lock 51 to rotate, so as to realize the locking and unlocking of the container by the long-axis rotary lock 51.

[0042] The operating room 2 is slidably arranged on the top of the vehicle body 1 via the field of view driving mechanism 7. The field of view driving mechanism 7 drives the operating room 2 to slide laterally along the vehicle body 1 to avoid the field of view being blocked by the lifting device 3.

[0043] like Figure 7As shown, the field of view driving mechanism 7 includes two guide rails 71, a plurality of guide wheels 72, a rack 73, a gear 74 and a hydraulic motor 75. The guide rails 71 are arranged in parallel along the vehicle body 1, the guide wheels 72 are rotatably supported at the bottom of the operating room 2, and are in rolling cooperation with the guide wheels 72. The rack 73 is arranged on the vehicle body 1 below the operating room 2 in a direction parallel to the guide rails 71. The hydraulic motor 75 is fixed at the bottom of the operating room 2, and the gear 74 is connected to the output end of the hydraulic motor 75, and is meshed with the rack 73. The hydraulic motor 75 drives the gear 74 to rotate forward or reverse, and the rack 73 reacts to drive the operating room 2 to reciprocate along the rack 73.

[0044] The invention has a simple and reasonable design and a fast maintenance speed, and can make up for the defects of hoisting precision adjustment, and has good use safety and high hoisting efficiency.

Claims

1. A multi-dimensional spreader for a container, comprising a vehicle body, an operating room, a lifting device, a hanger device and a locking device, wherein the lifting device is arranged at the front of the vehicle body, and is characterized in that: The lifting device comprises a fixed column, a movable column, a lifting guide column and a sliding frame, wherein the fixed column is vertically fixedly connected to the front end of the vehicle body, the bottom of the movable column extends into the fixed column and is slidably connected to the fixed column, and an extension hydraulic cylinder is provided between the fixed column and the movable column; the lifting guide column is vertically arranged, one end of which is connected to the top of the movable column, and the other end is slidably arranged on the fixed column; the sliding frame is slidably arranged on the lifting guide column, and a lifting hydraulic cylinder is provided between the bottom of the sliding frame and the fixed column; The hanger device comprises a longitudinal sliding mechanism, a transverse sliding mechanism and a bridge frame. The longitudinal sliding mechanism comprises a longitudinal sliding shaft, a longitudinal sliding frame, a longitudinal sliding hydraulic cylinder and a longitudinal swinging hydraulic cylinder, one end of the longitudinal sliding shaft is hinged on the sliding frame, the longitudinal sliding frame is slidably arranged on the longitudinal sliding shaft, the longitudinal sliding hydraulic cylinder is connected between the longitudinal sliding shaft and the longitudinal sliding frame, and the longitudinal swinging hydraulic cylinder is hinged between the longitudinal sliding shaft and the sliding frame; The transverse sliding and swinging mechanism comprises two transverse sliding shafts, a transverse sliding frame, a transverse swing frame, a transverse sliding hydraulic cylinder and a transverse swinging hydraulic cylinder. The transverse sliding shafts are arranged horizontally and spaced apart on the longitudinal sliding frame and are arranged vertically with the longitudinal sliding shaft. The transverse sliding frame is arranged slidably on the transverse sliding shaft. The transverse swing frame is arranged rotatably on the transverse sliding shaft via a rotating connecting member. The transverse sliding hydraulic cylinder is arranged between the transverse sliding frame and the longitudinal sliding shaft. The transverse swinging hydraulic cylinder is arranged between the transverse sliding frame and the transverse swinging frame. The bridge frame is connected to the horizontal swing frame via a flexible connection mechanism; The locking devices are arranged at both ends of the bridge; The operating room is slidably arranged on the top of the vehicle body via a field of view driving mechanism; The flexible connection mechanism includes four pulling components and four anti-rotation components, each of the pulling components includes an upper pulling ear, a lower pulling ear and a pulling rope, the upper pulling ear is fixed on the bottom of the horizontal swing frame, the lower pulling ear is fixed on the top of the bridge frame, and it is arranged along the length direction of the bridge frame with the corresponding upper pulling ear, and the pulling rope is connected between the upper pulling ear and the lower pulling ear; each of the anti-rotation components includes an upper anti-rotation ear, a lower anti-rotation ear and an anti-rotation rope, the upper anti-rotation ear is fixed on the top of the horizontal swing frame, the lower anti-rotation ear is fixed on the top of the bridge frame, and it is arranged along the diagonal direction with the corresponding upper anti-rotation ear, and the anti-rotation rope is connected between the upper anti-rotation ear and the lower anti-rotation ear; The field of view driving mechanism includes two guide rails, a plurality of guide wheels, a rack, a gear and a hydraulic motor. The guide rails are arranged in parallel along the transverse direction of the vehicle body. The guide wheels are rotatably supported at the bottom of the operating room and rollingly cooperate with the guide wheels. The rack is arranged on the vehicle body below the operating room in a direction parallel to the guide rails. The hydraulic motor is fixed at the bottom of the operating room. The gear is connected to the output end of the hydraulic motor and meshes with the rack.

2. A multi-dimensional container spreader according to claim 1, characterized in that: The rotating connecting piece is a turntable bearing.

3. A multi-dimensional container spreader according to claim 1, characterized in that: The locking device comprises four long-axis rotary locks, which are respectively arranged on the four corners of the bridge frame. A locking drive mechanism is respectively arranged between the bridge frame and the long-axis rotary locks, and the locking drive mechanism drives the long-axis rotary locks to rotate accordingly.

4. A multi-dimensional container spreader according to claim 3, characterized in that: The locking drive mechanisms all include a locking oil cylinder, the cylinder body of the locking oil cylinder is arranged on the bridge frame, and the piston rods of the locking oil cylinder are respectively connected to the corresponding long-axis rotary locks.

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