CN109399470B - Folding arm type hoisting equipment - Google Patents

Folding arm type hoisting equipment Download PDF

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Publication number
CN109399470B
CN109399470B CN201811331078.6A CN201811331078A CN109399470B CN 109399470 B CN109399470 B CN 109399470B CN 201811331078 A CN201811331078 A CN 201811331078A CN 109399470 B CN109399470 B CN 109399470B
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CN
China
Prior art keywords
arm
pulley
swing frame
telescopic arm
folding
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CN201811331078.6A
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Chinese (zh)
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CN109399470A (en
Inventor
陈懿
王海江
梁兆环
谷文平
陈楚苗
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South China Marine Machinery Co Ltd
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South China Marine Machinery Co Ltd
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Application filed by South China Marine Machinery Co Ltd filed Critical South China Marine Machinery Co Ltd
Priority to CN201811331078.6A priority Critical patent/CN109399470B/en
Publication of CN109399470A publication Critical patent/CN109399470A/en
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Publication of CN109399470B publication Critical patent/CN109399470B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • B66C23/68Jibs foldable or otherwise adjustable in configuration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • B66C23/70Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic

Abstract

The invention provides a folding arm type hoisting device which comprises a tower body, a main arm, a folding arm and a telescopic arm, wherein the main arm is hinged on the tower body, the folding arm is hinged with the main arm, the telescopic arm is arranged in the folding arm in a sliding manner, a first telescopic arm pulley and a second telescopic arm pulley are oppositely arranged at the top end of the telescopic arm, a swing frame is hinged on the telescopic arm, a steel wire rope penetrates through the folding arm and the telescopic arm and penetrates out from the space between the first telescopic arm pulley and the second telescopic arm pulley, a hanging frame is arranged at the tail end of the steel wire rope, the steel wire rope is arranged on the gravity center of the hanging frame, and the first telescopic arm pulley and the second telescopic arm pulley which are oppositely arranged limit the steel wire rope in a sliding chute so as to hoist; after the steel wire rope is connected with the hanging bracket, the pulling force of the winch on the steel wire rope directly acts on the gravity center of the hanging bracket, so that the hanging bracket is stressed uniformly; after the steel wire rope tensions the hanging bracket, rigid connection is formed among the swing bracket, the hanging bracket and the goods, the goods cannot shake due to the influence of external factors in the hoisting process, and the hoisting safety and efficiency are improved.

Description

Folding arm type hoisting equipment
Technical Field
The invention relates to box body hoisting equipment, in particular to folding arm type hoisting equipment.
Background
When bulk goods are transported, in order to ensure the safety of the transportation process and the convenience of transportation, the goods are generally loaded into boxes for transportation, for example, general containers are generally used for transporting goods in ocean shipping, specific boxes can be manufactured as required when the specific goods are transported, a front crane or a common telescopic arm crane is generally used for hoisting the boxes on land, the crane grasps the boxes through box arms, and the boxes are hoisted onto a transport vehicle or stacked through the movement of a machine body; in large-scale ports, a gantry crane or a mobile crane is generally used for hoisting the box body between the wharf and the box body cargo ship; the invention discloses a hydraulic folding arm telescopic crane for a ship, which generally uses a crane to lift a box body at a small wharf, and is disclosed in patent application No. 201410349578.8, application publication No. 2014.11.19, wherein the crane comprises a base welded on a ship deck base, a stand column and a telescopic boom controlled by a first oil cylinder, a lifting winch is arranged at the lower end of the telescopic boom, an inner arm folded by a third oil cylinder is hinged between the top end of the stand column and the telescopic boom, a second oil cylinder for folding the telescopic boom is respectively hinged with the two ends of the inner arm below the inner arm, the bottom end of the stand column is connected with the base through a slewing bearing, a pump station and a wireless remote control receiver are arranged on the stand column, the first oil cylinder, the second oil cylinder and the third oil cylinder are all communicated with the pump station, and the wireless remote control receiver is electrically connected with a pump station motor through a controller, the invention can solve the problems that the ship crane can only operate in one way and can not fold and, the pulley has only been set up on the flexible davit of this loop wheel machine one-wayly, when flexible davit is rotated to vertical direction by the horizontal direction and continues the rotation again, wire rope can break away from the pulley, can damage flexible davit or cause the incident, and when using this loop wheel machine handling box, can only catch on the case angle of box with the wire rope of two bandeaks couple earlier, hang wire rope on the lifting hook of loop wheel machine again, adopt this kind of handling mode, the couple has the danger of deviating from the case angle of box, in addition the lifting hook is when putting down the box, the box is because there is not spacing, because the influence of factors such as wind-force, the box can swing along with the wind, need artifical guide to put right the box this moment, this can make the personnel of guide box be in dangerous situation.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides folding arm type hoisting equipment, which solves the problems that a box body can still be stably hoisted when a hoisting arm of a crane rotates clockwise by more than 90 degrees from the horizontal direction, a box body can be lifted by a steel wire rope in a balanced manner, and the problem that the box body shakes or swings when the box body is hoisted is solved by arranging a hoisting frame and a swinging frame.
In order to achieve the purpose, the technical scheme of the invention is as follows: a folding arm type hoisting device comprises a tower body, a main arm, a folding arm and a telescopic arm, wherein the bottom end of the main arm is hinged to one side of the tower body, the folding arm is hinged to the top end of the main arm, the telescopic arm is arranged in the folding arm in a sliding manner, a main arm pulley is arranged on the main arm, a folding arm pulley is arranged on the folding arm, the folding arm comprises a telescopic arm sliding section, a sliding chute of the folding arm pulley is overlapped with the central line of the telescopic arm sliding section along the length direction at the tangent line along the length direction of the telescopic arm sliding section, the telescopic arm comprises a telescopic section and a pulley section, a pulley seat is arranged on the end surface of the pulley section, the pulley seat comprises a pulley seat base plate, a first mounting plate, a second mounting plate, a third mounting plate and a fourth mounting plate, the pulley seat base plate is connected with the end surface of the pulley section, the first mounting plate, the second mounting plate, the third mounting plate and the fourth mounting plate are, the pulley block comprises a first telescopic arm pulley and a second telescopic arm pulley, the first telescopic arm pulley and the second telescopic arm pulley are symmetrical relative to a central plane passing through the length direction of the telescopic arm and are vertical to the side surface of the second mounting plate, and the first telescopic arm pulley and the second telescopic arm pulley are arranged in a tangent mode; a swing frame is hinged on the pulley seat, and the hinged central line is intersected and vertical with the central line of the telescopic arm along the length direction; the tower body is provided with a winch, a steel wire rope is wound on the winch, one end of the steel wire rope bypasses the main arm pulley, folds the arm pulley, penetrates through the folding arm and the telescopic arm and penetrates out of the space between the first telescopic arm pulley and the second telescopic arm pulley, the end part of the steel wire rope is provided with a hanging bracket, the steel wire rope is arranged on the gravity center of the hanging bracket, and the upper end of the hanging bracket is detachably connected with the lower end of the swing bracket.
According to the structure, the winch is arranged on the tower body, and the tower body bears the weight of the winch, so that the burden of the suspension arm is reduced; the steel wire rope bypasses the main arm pulley and the folding arm pulley, passes through the center of the folding arm and penetrates out of the space between the first telescopic arm pulley and the second telescopic arm pulley, the steel wire rope is tangent to the folding arm pulley, the first telescopic arm pulley and the second telescopic arm pulley at the same time, the first telescopic arm pulley and the second telescopic arm pulley which are oppositely arranged limit the steel wire rope in the sliding chutes of the first telescopic arm pulley and the second telescopic arm pulley, and no matter which angle the folding arm swings to, if the suspension arm rotates clockwise from the horizontal direction to exceed 90 degrees, the steel wire rope is always positioned between the first telescopic arm pulley and the second telescopic arm pulley, so that the box body can be stably lifted and lifted; the swinging frame and the hanging frame are arranged, after the steel wire rope which bypasses the folding arm pulley is connected with the hanging frame, the pulling force of the winch on the steel wire rope directly acts on the gravity center of the hanging frame, and the situation that the hanging frame shakes due to the fact that the steel wire rope is easily influenced by the outside under the action of self gravity when acting on the non-gravity center position of the hanging frame is prevented; and the swing frame is hinged with the pulley seat, the lower end of the swing frame is detachably connected with the upper end of the suspension arm suspension bracket, so that after the suspension bracket is tensioned by the steel wire rope, reliable rigid connection is formed among the swing frame, the suspension bracket and the box body, the box body cannot shake or swing under the influence of external factors in the hoisting process, and the hoisting safety and efficiency are improved.
Furthermore, the folding arm type hoisting equipment also comprises a base and a slewing bearing, wherein the inner ring of the slewing bearing is connected with the base, and the tower body is connected with the outer ring of the slewing bearing; a first oil cylinder is arranged between the other side of the tower body and the main arm; a second oil cylinder is arranged between the main arm and the folding arm; a third oil cylinder is arranged between the telescopic arm and the folding arm, and the base penetrates through the deck at the top of the cabin and is installed on the bottom plate of the cabin, so that the fixing is reliable; the slewing bearing is connected with the base and the tower body and provides a rotary support for the tower body; the first oil cylinder, the second oil cylinder and the third oil cylinder respectively provide power for the movement of the main arm, the folding arm and the telescopic arm.
Furthermore, the swing frame comprises four hydraulic buffers arranged in a rectangular shape, the cylinder bodies of the adjacent hydraulic buffers are connected through cross rods, vertical rods parallel to the hydraulic buffers are arranged at the centers of the two cross rods in the rectangular length direction, hinged rings are arranged at the top ends of the vertical rods, the axes of the hinged rings are perpendicular to the plane formed by the vertical rods and the cross rods on the same side, and inclined rods are arranged between the hinged rings and the hydraulic buffers; a reinforcing rib plate fixed with the transverse rod in the width direction is arranged between the two hydraulic buffers in the width direction; the push rod of the hydraulic buffer is provided with a positioning pin bush.
The swing frame structure arranged in the rectangular shape has simple and stable structure and light weight; the hydraulic buffer can provide buffer when the hanger is contacted with the swing frame, so that the impact on the suspension arm is prevented, and the suspension arm and the crane are protected.
Furthermore, the bottom inboard of locating pin cover is equipped with frustum shape spigot surface, frustum shape spigot surface has main aspects and tip, the main aspects of frustum shape spigot surface is located the bottom surface of locating pin cover, the tip of frustum shape spigot surface is located the inside of locating pin cover, tip department at frustum shape spigot surface is equipped with the locating hole, it can provide the direction for the insertion of locating pin to set up frustum shape spigot surface at the bottom inboard of locating pin cover, the locating pin inserts in the locating hole after the direction of frustum shape spigot surface when inserting, be favorable to the butt joint of gallows and swing span.
Further, the swing frame is hinged on the pulley seat through a swing frame hinged shaft, a swing frame driving device for driving the swing frame to swing is further arranged on the pulley seat, the swing frame driving device comprises a swing frame driving motor, a swing frame speed reducer, a swing frame driving gear and a swing frame driven gear, the swing frame driven gear is arranged on the swing frame hinged shaft, the swing frame speed reducer is arranged on the pulley seat, the swing frame driving gear is arranged on an output shaft of the swing frame speed reducer, the swing frame driving gear is meshed with the swing frame driven gear, an output shaft of the swing frame driving motor is connected with an input shaft of the swing frame speed reducer, the swing frame driving device can drive the swing frame to prevent the swing frame from freely rotating by taking the swing frame hinged shaft as an axis so as to prevent the hanger and the box from freely swinging, and the posture of the swing frame is constantly adjusted by the swing frame driving device through controlling the, the rigid connection of the box body is realized, the degree of freedom of the box body is limited in the process from lifting to putting down, the box body cannot move freely, the box body is not influenced by external factors, and the box body can be lifted safely and reliably.
Furthermore, the hanger comprises a cross beam and two longitudinal beams which are arranged at two ends of the cross beam and are perpendicular to the cross beam, the cross beam and the longitudinal beams are positioned in the same plane or are parallel to the same plane, the longitudinal beams are symmetrically arranged relative to the cross beam, a first pin seat and a second pin seat are symmetrically arranged on the cross beam relative to the center of the cross beam, a positioning pin group is arranged on the first pin seat and the second pin seat, and the structural arrangement of the cross beam and the longitudinal beams can ensure that the hanger is simple in structure and light in weight; the structure of the hanger can be simplified by separately arranging the first pin seat and the second pin seat, and on the premise of meeting the use function, the material consumption of the hanger is reduced and the weight is reduced.
Furthermore, a lifting lug is arranged at the center of the upper surface of the cross beam, the end part of the steel wire rope is connected with the lifting lug, the steel wire rope is connected with the center of the cross beam through the lifting lug, the steel wire rope and the axle center of the hinged shaft of the swing frame are positioned on the same plane, and when the steel wire rope tensions the hanging frame, the stress of the hanging frame is uniform.
Furthermore, the positioning pin group comprises four positioning pins arranged in a rectangular shape, in each group of positioning pins, two positioning pins on one side are arranged on the first pin seat, two positioning pins on the other side are arranged on the second pin seat, and the four single group of positioning pins are divided into two groups which are respectively arranged on the first pin seat and the second pin seat, so that more reliable positioning directions can be provided.
Furthermore, container corner seats are arranged at two ends of the two longitudinal beams on the hanger, rotating lock heads are arranged on the container corner seats, and standard container corner seats and rotating lock heads are arranged on the hanger, so that the box body can be conveniently connected.
Further, a flange is arranged at the bottom of the positioning pin, and the first pin seat and the second pin seat are respectively fixed with the positioning pin through the flange; the top of the positioning pin is provided with a guide surface, the positioning pin can be subjected to certain impact when being inserted into the positioning pin sleeve, the positioning pin can be bent and deformed after long-term use, the bottom of the positioning pin is provided with a flange, and the positioning pin can be conveniently detached and maintained and replaced by fixing the positioning pin through the flange; the guide surface may provide a guide for insertion of the locating pin.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a main arm and a folding arm in a hoisting state in the invention.
Fig. 3 is an enlarged view of fig. 2 at K.
Fig. 4 is a schematic structural view of the pulley seat of the present invention.
FIG. 5 is a schematic view of the connection between the swing frame and the hanger in the present invention.
Fig. 6 is a schematic perspective view of the hanger of the present invention.
FIG. 7 is a schematic view of the structure of the swing frame of the present invention.
Fig. 8 is a schematic structural view of a dowel sleeve according to the present invention.
Fig. 9 is a schematic diagram of a box body hoisted by the folding arm type hoisting equipment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 8: a folding arm type hoisting device comprises a base 1, a slewing bearing 2, a tower body 3, a main arm 4, a folding arm 5 and a telescopic arm 6, wherein the base 1 penetrates through a deck on the top of a cabin and is installed on a bottom plate of the cabin, an inner ring of the slewing bearing 2 is connected with the base 1, the tower body 3 is connected with an outer ring of the slewing bearing 2, the bottom end of the main arm 4 is hinged to one side of the tower body 3, the folding arm 5 is hinged to the top end of the main arm 4, the telescopic arm 6 is slidably arranged in the folding arm 5, a main arm pulley 40 is arranged on the main arm 4, a folding arm pulley 50 is arranged on the folding arm 5, and a first oil cylinder 11 is arranged between the other side of the tower body; a second oil cylinder 12 is arranged between the main arm and the folding arm; a third oil cylinder 13 is arranged between the telescopic arm and the folding arm.
The folding arm 5 comprises a telescopic arm sliding section 51, a sliding groove of a folding arm pulley 50 is overlapped with a central line of the telescopic arm sliding section 51 along the length direction at a tangent line along the length direction of the telescopic arm sliding section 51, the telescopic arm 6 comprises a telescopic section 60 and a pulley section 61, a pulley seat is arranged on the end surface of the pulley section 61, the pulley seat comprises a pulley seat base plate 620, a first mounting plate 621, a second mounting plate 622, a third mounting plate 623 and a fourth mounting plate 624, the pulley seat base plate 620 is connected with the end surface of the pulley section 61, the first mounting plate 621, the second mounting plate 622, the third mounting plate 623 and the fourth mounting plate 624 are arranged on the pulley seat base plate 620 in parallel, a pulley block is arranged between the second mounting plate 622 and the third mounting plate 623, the pulley block comprises a first telescopic arm pulley 631 and a second telescopic arm pulley 632, the first telescopic arm pulley 631 and the second telescopic arm pulley 632 are symmetrical relative to the central plane passing through the telescopic arm 6 along the length direction and are vertical to the side surface of the, and the first telescopic arm pulley 631 is arranged tangentially to the second telescopic arm pulley 632; a swing frame 7 is hinged on the pulley seat, and the hinged central line is intersected and vertical with the central line of the telescopic arm 6 along the length direction; the tower body 3 is provided with a winch 14, the winch 14 is wound with a steel wire rope 8, one end of the steel wire rope 8 bypasses the main arm pulley 40, the arm folding pulley 50, passes through the folding arm 5 and the telescopic arm 6, and penetrates out from the space between the first telescopic arm pulley 631 and the second telescopic arm pulley 632, the end part of the steel wire rope 8 is provided with a hanging bracket 9, and the steel wire rope 8 is arranged on the gravity center of the hanging bracket 9.
The swing frame 7 comprises four hydraulic buffers 70 arranged in a rectangular shape, the cylinder bodies of the adjacent hydraulic buffers 70 are connected through cross rods 71, vertical rods 72 parallel to the hydraulic buffers 70 are arranged in the centers of the two cross rods 71 in the length direction of the rectangle, hinged rings 73 are arranged at the top ends of the vertical rods 72, the axes of the hinged rings 73 are perpendicular to the plane formed by the vertical rods 72 and the cross rods 71 on the same side, and inclined rods 74 are arranged between the hinged rings 73 and the hydraulic buffers 70; a reinforcing rib plate 75 fixed to the cross bar 71 in the width direction is provided between the two hydraulic shock absorbers 70 in the width direction; a positioning pin bush 76 is provided on the push rod of the hydraulic shock absorber 70.
A frustum-shaped guide surface 760 is provided on the inner side of the bottom of the positioning pin sleeve 76, the frustum-shaped guide surface 760 has a large end and a small end, the large end of the frustum-shaped guide surface 760 is located on the bottom surface of the positioning pin sleeve 76, the small end of the frustum-shaped guide surface 760 is located inside the positioning pin sleeve 76, and a positioning hole 761 is provided at the small end of the frustum-shaped guide surface 760.
The swing frame 7 is hinged to the pulley seat through a swing frame hinge shaft, the swing frame hinge shaft is fixedly connected with the swing frame 7, the swing frame hinge shaft comprises a first swing frame hinge shaft and a second swing frame hinge shaft, the first swing frame hinge shaft and the second swing frame hinge shaft are coaxially arranged, the hinge center line is intersected with and perpendicular to the center line of the telescopic arm 6 in the length direction, and the first swing frame hinge shaft is hinged between the first mounting plate 621 and the second mounting plate 622; the second swing frame hinge shaft is hinged between the third mounting plate 623 and the fourth mounting plate 624, the first mounting plate 621 and the second mounting plate 622 are provided with a swing frame driving device for driving the first swing frame hinge shaft to rotate, the third mounting plate 623 and the fourth mounting plate 624 are provided with a swing frame driving device of the same structure for driving the second swing frame hinge shaft, the following description will be made by taking the swing frame driving device provided on the first mounting plate 621 and the second mounting plate 622 as an example, the swing frame driving device comprises a swing frame driven gear provided on the first swing frame hinge shaft and located between the first mounting plate 621 and the second mounting plate 622, the first mounting plate 621 is further provided with a swing frame speed reducer, an output shaft of the swing frame speed reducer is provided with a swing frame driving gear, the swing frame driving gear is engaged with the swing frame driven gear, and the swing frame driving motor is further provided on the swing frame speed reducer, the output shaft of the swing frame driving motor is connected with the input shaft of the swing frame speed reducer.
When the telescopic boom 6 changes the amplitude, the swing frame driving motor is started, the swing frame driving motor drives the swing frame driving gear to rotate, the swing frame driving gear drives the swing frame driven gear to rotate, and the swing frame 7 is driven to swing through the swing frame hinged shaft, so that the swing frame 7 is kept in a horizontal state all the time.
The hanger 9 comprises a cross beam 91 and two longitudinal beams 92 which are arranged at two ends of the cross beam 91 and are perpendicular to the cross beam 91, the cross beam 91 and the longitudinal beams 92 are in the same plane or the cross beam 91 and the longitudinal beams 92 are parallel to the same plane, the longitudinal beams 92 are symmetrically arranged relative to the cross beam 91, a first pin seat 93 and a second pin seat 94 are symmetrically arranged on the cross beam 91 relative to the center of the cross beam 91, two sets of positioning pin groups are arranged on the first pin seat 93 and the second pin seat 94, the two sets of positioning pin groups are staggered by an angle by taking the center of the hanger as the center, each set of positioning pin group comprises four positioning pins 95 arranged in a rectangular shape, the bottom of each positioning pin 95 is provided with a flange 950, the top of each positioning pin 95 is provided with a guide surface 951, two positioning pins 95 on one side are arranged on the first pin seat 93, and two positioning pins 95 on the; container corner seats 96 are arranged at two ends of the two longitudinal beams 92 respectively, the container corner seats 96 are welded on the longitudinal beams 92, and the container corner seats 96 are provided with rotating lock heads 97; a lifting lug 98 is arranged at the center of the upper surface of the cross beam 91, and the steel wire rope 8 is connected with the lifting lug 98.
One end of a steel wire rope 8 bypasses the main arm pulley 40 and the arm folding pulley 50, penetrates through the centers of the arm folding 5 and the telescopic arm 6, penetrates out from between the first telescopic arm pulley 231 and the second telescopic arm pulley 232, and is connected with the lifting lug 98, the steel wire rope 8 is tangent to the arm folding pulley 50, the first telescopic arm pulley 631 and the second telescopic arm pulley 632 at the same time, the steel wire rope 8 is limited in the sliding chutes of the first telescopic arm pulley 631 and the second telescopic arm pulley 632 through the first telescopic arm pulley 631 and the second telescopic arm pulley 632 which are arranged oppositely, and as shown in fig. 2 and 3, no matter the arm folding 5 drives the telescopic arm 6 to rotate clockwise or counterclockwise, the steel wire rope 8 is always positioned between the first telescopic arm pulley 631 and the second telescopic arm pulley 632, and can hoist and convey the box body; the swinging frame 7 and the hanging bracket 9 with the structure are arranged, the pulling force of the winch 14 on the steel wire rope 8 directly acts on the gravity center of the hanging bracket 9, the pulling force acting on the hanging bracket 9 has no moment arm, no moment can be generated, and the hanging bracket 9 can be stressed uniformly; after the steel wire rope 8 tensions the hanging bracket 9, the swinging bracket 7, the hanging bracket 9 and the box body form reliable rigid connection, and the box body cannot rock or swing under the influence of external factors in the hoisting process, so that the hoisting safety and efficiency are improved.
In fig. 9, a denotes a case a; b represents a box body B; c represents the center of the folding arm type hoisting equipment; d represents a suspension arm, E represents a first group of positioning pin groups; f represents a second set of dowel sets; g represents a deck; h represents a box body placing area, a folding arm type hoisting device is arranged on a deck G, when the box body is arranged on a wharf, the folding arm type hoisting device firstly transports a hoisting device to the upper side of the box body A, the hanger 9 is put down through a steel wire rope 8, the hanger 9 is connected with the box body A through a rotating lock head 97 on a container corner seat 96, an automatic connecting device can be selected for connecting the hanger 9 with the box body A, after the box body A is hoisted to be separated from the wharf, the hanger 9 is pulled upwards through the steel wire rope 8, the position of the box body A is adjusted at the moment, F groups of positioning pins are inserted into a positioning pin sleeve 76, a positioning pin 95 enters a positioning hole 761 through the guide of a frustum-shaped guide surface 760, the steel wire rope 8 is continuously tensioned, the positioning pin 95 is completely inserted into the positioning hole 761, the box body A, the hanger 9 and a swinging frame 7 form a rigid whole, and the hanging arm D hoists the box, the connection between the rotary lock head 97 and the hanger 9 is loosened, the swing frame driving device drives the swing frame 7 to swing in the amplitude variation process of the suspension arm D, so that the swing frame 7, the hanger 9 and the box body A are always in a horizontal state and cannot swing freely, the suspension arm, the lifting appliance of the lifting appliance and the box body A are all in rigid connection in the lifting process of the whole box body A, and the relative motion among the swing frame 7, the hanger 9, the box body A and a deck G is not influenced by external factors, so that the box body A can be accurately placed at the box body placing area H, after the box body A is lifted, the lifting appliance of the lifting appliance is conveyed to the position above the box body B on a wharf, the folding arm type crane equipment does not need to be moved, the E group positioning pins are inserted into the positioning pin sleeves 76 by using the same method, and even if the telescopic direction of the telescopic arm forms a certain angle with the box body B, the lifting and placing of the boxes arranged side by side can be realized by inserting the E, therefore, in the hoisting process, the box body B can be hoisted to the box body placing area H and put down without manually pulling the box body to fix the position of the box body, the rotating lock head 97 is loosened to be connected with the hoisting frame 9, the folding arm type hoisting equipment returns to the placing position, and due to the arrangement of the E group of positioning pin groups and the F group of positioning pin groups, the box body A and the box body B can be neatly and accurately arranged at the box body placing area H, the safety and the hoisting efficiency in the hoisting process are improved, and the labor intensity and the danger of workers are greatly reduced.

Claims (10)

1. The utility model provides a roll over arm-type lifting device, includes body of the tower, main arm, rolls over arm and flexible arm, and the bottom of main arm articulates in one side of body of the tower, rolls over the top of arm and main arm and articulates, and flexible arm is established in rolling over the arm with sliding, its characterized in that: the main arm is provided with a main arm pulley, the folding arm is provided with an arm folding pulley, the folding arm comprises a telescopic arm sliding section, a chute of the arm folding pulley is overlapped with the central line of the telescopic arm sliding section along the length direction at the tangent line along the length direction of the telescopic arm sliding section, the telescopic arm comprises a telescopic section and a pulley section, the end surface of the pulley section is provided with a pulley seat, the pulley seat comprises a pulley seat base plate, a first mounting plate, a second mounting plate, a third mounting plate and a fourth mounting plate, the pulley seat base plate is connected with the end surface of the pulley section, the first mounting plate, the second mounting plate, the third mounting plate and the fourth mounting plate are arranged on the pulley seat base plate in parallel, a pulley block is arranged between the second mounting plate and the third mounting plate, the pulley block comprises a first telescopic arm pulley and a second telescopic arm pulley, the first telescopic arm pulley and the second telescopic arm pulley are symmetrical relative to the central plane passing through the length direction of the telescopic arm and, the first telescopic arm pulley and the second telescopic arm pulley are arranged in a tangent mode; a swing frame is hinged on the pulley seat, and the hinged central line is intersected and vertical with the central line of the telescopic arm along the length direction; the tower body is provided with a winch, a steel wire rope is wound on the winch, one end of the steel wire rope bypasses the main arm pulley, folds the arm pulley, penetrates through the folding arm and the telescopic arm and penetrates out of the space between the first telescopic arm pulley and the second telescopic arm pulley, the end part of the steel wire rope is provided with a hanging bracket, the steel wire rope is arranged on the gravity center of the hanging bracket, and the upper end of the hanging bracket is detachably connected with the lower end of the swing bracket.
2. The folding arm type hoisting device of claim 1, wherein: the folding arm type hoisting equipment further comprises a base and a slewing bearing, wherein the inner ring of the slewing bearing is connected with the base, and the tower body is connected with the outer ring of the slewing bearing; a first oil cylinder is arranged between the other side of the tower body and the main arm; a second oil cylinder is arranged between the main arm and the folding arm; a third oil cylinder is arranged between the telescopic arm and the folding arm.
3. The folding arm type hoisting device of claim 1, wherein: the swing frame comprises four hydraulic buffers arranged in a rectangular shape, the cylinder bodies of the adjacent hydraulic buffers are connected through cross rods, vertical rods parallel to the hydraulic buffers are arranged in the centers of the two cross rods in the rectangular length direction, hinged rings are arranged at the top ends of the vertical rods, the axes of the hinged rings are perpendicular to the plane formed by the vertical rods and the cross rods on the same side, and inclined rods are arranged between the hinged rings and the hydraulic buffers; a reinforcing rib plate fixed with the transverse rod in the width direction is arranged between the two hydraulic buffers in the width direction; the push rod of the hydraulic buffer is provided with a positioning pin bush.
4. The folding arm type hoisting device of claim 3, wherein: the inner side of the bottom of the positioning pin sleeve is provided with a frustum-shaped guide surface, the frustum-shaped guide surface is provided with a large end and a small end, the large end of the frustum-shaped guide surface is arranged on the bottom surface of the positioning pin sleeve, the small end of the frustum-shaped guide surface is arranged inside the positioning pin sleeve, and the small end of the frustum-shaped guide surface is provided with a positioning hole.
5. The folding arm type hoisting device of claim 1, wherein: the swing frame is hinged to the pulley seat through a swing frame hinged shaft, a swing frame driving device for driving the swing frame to swing is further arranged on the pulley seat, the swing frame driving device comprises a swing frame driving motor, a swing frame speed reducer, a swing frame driving gear and a swing frame driven gear, the swing frame driven gear is arranged on the swing frame hinged shaft, the swing frame speed reducer is arranged on the pulley seat, the swing frame driving gear is arranged on an output shaft of the swing frame speed reducer, the swing frame driving gear is meshed with the swing frame driven gear, and the output shaft of the swing frame driving motor is connected with an input shaft of the swing frame speed reducer.
6. The folding arm type hoisting device of claim 1, wherein: the hanger comprises a cross beam and two longitudinal beams which are arranged at two ends of the cross beam and are perpendicular to the cross beam, the cross beam and the longitudinal beams are located in the same plane or are parallel to the same plane, the longitudinal beams are symmetrically arranged relative to the cross beam, a first pin seat and a second pin seat are symmetrically arranged on the cross beam relative to the center of the cross beam, and a positioning pin group is arranged on the first pin seat and the second pin seat.
7. The folding arm type hoisting device of claim 6, wherein: a lifting lug is arranged in the center of the upper surface of the cross beam, and the end part of the steel wire rope is connected with the lifting lug.
8. The folding arm type hoisting device of claim 6, wherein: the positioning pin group comprises four positioning pins arranged in a rectangular shape, and in each group of positioning pins, two positioning pins on one side are arranged on the first pin seat, and two positioning pins on the other side are arranged on the second pin seat.
9. The folding arm type hoisting device of claim 6, wherein: the two ends of the two longitudinal beams on the hanger are provided with container corner seats, and the container corner seats are provided with rotating lock heads.
10. The folding arm type hoisting device of claim 8, wherein: the bottom of the positioning pin is provided with a flange, and the first pin seat and the second pin seat are respectively fixed with the positioning pin through the flange; the top of the positioning pin is provided with a guide surface.
CN201811331078.6A 2018-11-09 2018-11-09 Folding arm type hoisting equipment Active CN109399470B (en)

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CN113879953B (en) * 2020-07-02 2023-07-25 沈阳新松机器人自动化股份有限公司 Automatic butt-joint power hanging beam based on visual identification and positioning
CN116281679B (en) * 2023-05-18 2023-10-03 四川川运重工机械有限公司 Lorry-mounted crane and stretching system thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58187581U (en) * 1982-06-09 1983-12-13 株式会社竹中工務店 Fixed posture control mechanism for the arm attachment frame at the tip of the boom in a wind-resistant crane
CN1351572A (en) * 1999-05-19 2002-05-29 韩万烨 Power transfer system of circulating type gantry crane
WO2014109637A1 (en) * 2013-01-08 2014-07-17 Innovative Input B.V. Crane with heave compensation
CN104973521A (en) * 2014-04-08 2015-10-14 中国农业机械化科学研究院 Special-shaped object hoisting and transporting loading truck and hoisting and loading method thereof
CN108249323A (en) * 2018-01-19 2018-07-06 江苏政田重工股份有限公司 A kind of folding arm loop wheel machine peculiar to vessel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58187581U (en) * 1982-06-09 1983-12-13 株式会社竹中工務店 Fixed posture control mechanism for the arm attachment frame at the tip of the boom in a wind-resistant crane
CN1351572A (en) * 1999-05-19 2002-05-29 韩万烨 Power transfer system of circulating type gantry crane
WO2014109637A1 (en) * 2013-01-08 2014-07-17 Innovative Input B.V. Crane with heave compensation
CN104973521A (en) * 2014-04-08 2015-10-14 中国农业机械化科学研究院 Special-shaped object hoisting and transporting loading truck and hoisting and loading method thereof
CN108249323A (en) * 2018-01-19 2018-07-06 江苏政田重工股份有限公司 A kind of folding arm loop wheel machine peculiar to vessel

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