CN105936477B - A kind of lightweight Multifunctional container gantry crane and its anti-shake method - Google Patents

A kind of lightweight Multifunctional container gantry crane and its anti-shake method Download PDF

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Publication number
CN105936477B
CN105936477B CN201610459989.1A CN201610459989A CN105936477B CN 105936477 B CN105936477 B CN 105936477B CN 201610459989 A CN201610459989 A CN 201610459989A CN 105936477 B CN105936477 B CN 105936477B
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China
Prior art keywords
pulley
fixed pulley
towed
dolly
fixed
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CN201610459989.1A
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CN105936477A (en
Inventor
车德慧
张尚尉
杨广全
董平华
史宏
孙志敏
孙华平
刘中玲
胡进
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Transport and Economics Research Institute, China Academy of Railway Sciences
China Academy of Railway Sciences Corp Ltd
China State Railway Group Co Ltd
China Railway Heavy Machinery Co Ltd
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Transport And Economics Research Institute China Academy Of Railway Sciences
China Railway Heavy Machinery Co Ltd
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Priority to CN201610459989.1A priority Critical patent/CN105936477B/en
Publication of CN105936477A publication Critical patent/CN105936477A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • B66C19/002Container cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear

Abstract

The invention discloses a kind of lightweight Multifunctional container gantry crane and its it is anti-shake method, it includes door frame assembly, the walking dolly on four angles of door frame assembly, lifting mechanism, the suspender being installed on door frame assembly, it is characterised in that:The lifting mechanism includes raising hoisting mechanism, towed fixed pulley dolly, towed traveling hoisting mechanism, the raising hoisting mechanism is distributed in the lower end of door frame assembly, towed fixed pulley dolly is mutually arranged with the girder of door frame assembly, the towed traveling hoisting mechanism is installed in the top of girder, and the towed fixed pulley dolly correspondence is pulled by towed traveling hoisting mechanism.The characteristics of present invention has stability using triangle, has self balancing characteristic with reference to eccentric damper pulley, realizes that container gantry crane sling prevents the purpose shaken.

Description

A kind of lightweight Multifunctional container gantry crane and its anti-shake method
Technical field
The present invention relates to crane field, more particularly to a kind of lightweight Multifunctional container gantry crane and its anti-shake Method.
Background technology
Traditional lifting mechanism is made up of trolley, raising hoisting system, fixed pulley group, walking system etc., its volume Greatly, big from anharmonic ratio its lifting capacity, particularly container crane is especially prominent, it is integrated after be placed on girder, caused to girder Unnecessary additional load.Therefore, research and development lightweight, efficient, advanced in performance lightweight Multifunctional container gate-type Crane construction technology and its equipment become particularly urgent.
Additionally, also there is the influence of unpredictable operation inertia and wind load, cause suspender and container in vertical Produced in plane and oscillated, produced in the horizontal plane and reverse and shake.
This to wave and reverse, shake, container position aligning time is comfortable with operation in not only directly affecting cargo handling process Property, security, also tend to make container to produce collision.Such as collide frequently, by the electric of railway container crane hanger and The stability of hydraulic system, reliability produce strong influence.According to statistics, the failure of railway container bridge crane 80% exists Suspender, and the failure of suspender 80% is caused by casing working.It can be seen that, waving and reversing, shake for suspender, is influence railway packaging The main cause of case crane operating efficiency, and turned into railway container crane raising efficiency, reduced fault rate, reduce labor Bottleneck in terms of fatigue resistance.Therefore, efficiently worked to ensure railway container crane, it is necessary to efficiently control its suspender Wave and reverse, shake.
This to wave and reverse, shake, container position aligning time is comfortable with operation in not only directly affecting cargo handling process Property, security, also tend to make container to produce collision.Such as collide frequently, by the electric of railway container crane hanger and The stability of hydraulic system, reliability produce strong influence.According to statistics, the failure of railway container bridge crane 80% exists Suspender, and the failure of suspender 80% is caused by casing working.It can be seen that, waving and reversing, shake for suspender, is influence railway packaging The main cause of case crane operating efficiency, and turned into railway container crane raising efficiency, reduced fault rate, reduce labor Bottleneck in terms of fatigue resistance.Therefore, efficiently worked to ensure railway container crane, it is necessary to efficiently control its suspender Wave and reverse, shake.
The content of the invention
The technical problems to be solved by the invention are that the deficiency existed for above-mentioned prior art provides a kind of structure letter Single, operation is flexible, can effectively reduce the lightweight Multifunctional container gantry crane of crane weight and its prevent shaking method.
The technical solution adopted in the present invention is:A kind of lightweight Multifunctional container gantry crane, it includes door frame Assembly, the walking dolly on four angles of door frame assembly, lifting mechanism, suspender, the driver being installed on door frame assembly Room, electrical system, cable drum, it is characterised in that:The lifting mechanism includes that raising hoisting mechanism, towed fixed pulley are small Car, towed traveling hoisting mechanism, the raising hoisting mechanism are distributed on the supporting leg of door frame assembly, towed fixed pulley dolly Girder with door frame assembly is mutually arranged, and the towed traveling hoisting mechanism is installed in the top of girder, and the towed is slided surely Wheel dolly correspondence is pulled by towed traveling hoisting mechanism.
By above-mentioned technical proposal, the door frame assembly include two door frames be arrangeding in parallel, the door frame by girder and The supporting leg at girder two ends is constituted, and two door frames are connected by entablature, sill, one group is correspondingly arranged on each door frame and is risen Mechanism is risen, the walking rails mutually arranged with towed fixed pulley dolly are provided with girder, every group of lifting mechanism includes that two sets are risen Rise hoisting mechanism, one group of towed fixed pulley dolly, a set of towed traveling hoisting mechanism.
By above-mentioned technical proposal, every group of lifting mechanism is additionally included in assembly pulley, the eccentric changed course damping for being oriented to Pulley, two-way hoisting drum and the steel wire rope group being wound in the two-way hoisting drum, assembly pulley, damper pulley, it is described Locus of the steel wire rope group between the suspender and fixed pulley dolly forms multiple dels, under the del Summit is symmetrically distributed on the suspender.
By above-mentioned technical proposal, every group of towed fixed pulley dolly is dragged by the first towed fixed pulley dolly and second Formula fixed pulley dolly composition is dragged, both structures are identical, every towed fixed pulley dolly includes trolley frame, is provided with trolley frame Travelling wheel group, 1 group of fixed pulley, the fixed pulley group that every group of fixed pulley is arranged side by side by two are arranged with the two ends of travelling wheel group Into, it is connected by connecting rod between two towed fixed pulley dollies, the first towed fixed pulley dolly and the second towed are fixed The fixed pulley of pulley trolley is inside and outside dislocation arrangement.
By above-mentioned technical proposal, 4 fixed pulleys that the assembly pulley includes being set on every towed fixed pulley dolly, The 4 groups of movable pulleys set on suspender, every group of movable pulley includes two movable pulleys, and the steel wire rope group includes left side steel wire rope and the right side Side steel wire rope, one end of the left side steel wire rope is fixed on a two-way hoisting drum, and other end correspondence is determined with the first towed After 2 movable pulley phase configurations on fixed pulley and suspender on pulley trolley, wind and be fixed on the two-way hoisting drum, it is right One end of side steel wire rope is fixed on another two-way hoisting drum, and in other end correspondence and the second towed fixed pulley dolly 4 After 2 movable pulley phase configurations on individual fixed pulley and suspender, wind and be fixed on the two-way hoisting drum.
By above-mentioned technical proposal, the first leading block group and the second leading block of the surrounding distribution on each door frame Group, four angles of the left side steel wire rope are oriented to by the first leading block group respectively, and the first leading block group includes peace It is located on the left of door frame two concentric leading blocks and two eccentric changed course damper pulleys being installed on the right side of door frame, the right side Four angles of steel wire rope are oriented to by the second leading block group respectively;The second leading block group includes being installed in door frame left side Two eccentric changed course damper pulleys and two concentric leading blocks being installed on the right side of door frame.
By above-mentioned technical proposal, the suspender is provided with 4 connecting seats on over sling, for being connected with running block.
Above-mentioned the anti-of lightweight Multifunctional container gantry crane shakes method, it is characterised in that:It comprises the following steps:
Step one, it is respectively symmetrically at the two ends of first, second towed fixed pulley dolly and is provided with 2 groups of fixed pulleys, every group is determined Pulley is made up of two fixed pulleys being arranged side by side, the fixed pulley dislocation arrangement of two dollies, is connected by connecting rod between two dollies, 4 groups of running blocks are symmetrically arranged with suspender, every group of running block is 2 movable pulleys, and each group of movable pulley is determined with towed One group of fixed pulley on pulley trolley is corresponding, and the fixed pulley spacing of two dollies is more than two groups of spacing of movable pulley, every dolly 2 spacing of movable pulley of two groups of fixed pulley spacing more than every group of movable pulley;
Step 2, steel wire rope group correspondence is divided into left side steel wire rope and right side steel wire rope, the surrounding point on each door frame Cloth the first leading block group and the second leading block group, four angles of the left side steel wire rope pass through the first leading block group respectively It is oriented to, the first leading block group includes two concentric leading blocks being installed on the left of door frame and is installed on the right side of door frame Two eccentric changed course damper pulleys, four angles of the right side steel wire rope are oriented to by the second leading block group respectively;Described Two eccentric changed course damper pulleys that two leading block groups include being installed on the left of door frame are same with two be installed on the right side of door frame Heart leading block;
Step 3, the winding method of left side steel wire rope are:
One end of the left side steel wire rope is fixed on the two-way hoisting drum of left side hoisting mechanism, and the other end is walked and led with one heart To the fixed pulley on pulley, the first towed fixed pulley dolly, the movable pulley on suspender, the first towed fixed pulley dolly On fixed pulley, bias changed course damper pulley, bias changed course damper pulley, another group on the first towed fixed pulley dolly One fixed pulley, the movable pulley on suspender, fixed pulley on the first towed fixed pulley dolly, concentric leading block eventually passes back to a left side Wound on the two-way hoisting drum of side raising hoist engine and fixed;
The winding method of step 4, right side steel wire rope:
One end of the right side steel wire rope is fixed on the two-way hoisting drum of right side hoisting mechanism, and the other end is walked and led with one heart To the fixed pulley on pulley, the second towed fixed pulley dolly, the movable pulley on suspender, the second towed fixed pulley dolly On fixed pulley, eccentric changed course damper pulley, eccentric changed course damper pulley, another group on the second towed fixed pulley dolly Fixed pulley, concentric leading block on movable pulley, the second towed fixed pulley dolly on one fixed pulley, suspender, eventually pass back to the right side Wound on the two-way hoisting drum of side raising hoist engine and fixed.
By above-mentioned technical proposal, the steel wire rope bottom footpath circle and the central pin shaft of pulley of the eccentric changed course damper pulley are inclined Core structure.
After steel wire rope winding, due to two towed fixed pulley dollies and two running block spacing differences, slided surely in towed Between wheel dolly and suspender, steel wire rope is projected in and forms triangle along main beam section;Due to a left side for towed fixed pulley dolly Away from difference, steel wire rope is projected in vertical main beam section and forms triangle the left and right moving pulley room of right fixed pulley and running block; Similarly, steel wire rope is projected in other any sections, has been respectively formed triangle.
After steel wire rope winding, because bias changed course damper pulley has automatic balance function, constraint steel wire rope drives eccentric Changed course damper pulley rotation.
Summary step, after steel wire rope winding, the characteristics of there is stability using triangle, with reference to bias changed course damping Pulley has self balancing characteristic, realizes the rocking-prevention function of suspender.
Having the beneficial effect that acquired by the present invention:1st, each raising hoisting mechanism correspondence of the invention is distributed in door frame assembly Four angles on, its position distribution realizes machine gravity and moves down, and reduces superstructure load weight, realizes container door Formula crane self structure lightweight;2nd, lifting mechanism of the invention forms multiple and falls along girder direction and vertical girder direction Triangle, by multi-direction triangular arrangement, coordinates damper pulley, realizes the purpose that all directions prevent shaking;3rd, 4 sets of the invention Raising elevator can be with a single movement, or two or three or four teamworks, for other handling goods, realize a machine Multipotency, operation is flexible, while the assymmetric motion of the towed dolly by two groups of lifting mechanisms on two door frames, is capable of achieving Loading and unloading container ± 30 ° revolute function, facilitates container to align.
Brief description of the drawings
Fig. 1 is front view of the invention.
Fig. 2 is side view of the invention.
Fig. 3 is the front view of door frame assembly in the present invention.
Fig. 4 is the side view of door frame assembly in the present invention.
The cross-sectional view of Fig. 5 middle girders of the present invention.
Fig. 6 is the partial structural diagram of middle girder of the present invention.
Fig. 7-Fig. 8 is the arrangement schematic diagram of lifting mechanism in the present invention.
Fig. 9 is the front view of towed fixed pulley dolly in the present invention.
Figure 10 is the top view of towed fixed pulley dolly in the present invention.
One group of winding schematic diagram of the steel wire rope of lifting mechanism in Figure 11 present invention.
Figure 12 is the wirerope-winding schematic diagram of two-way hoisting drum in the present invention.
Figure 13 is the wirerope-winding schematic diagram of traveling reel in towed traveling hoist engine.
Figure 14 is the winding schematic diagram of left side steel wire rope winding and right side steel wire rope.
Figure 15 is the inverted triangle schematic diagram formed along girder direction left side steel wire rope and right side steel wire rope winding.
Figure 16 is the inverted triangle schematic diagram that vertical girder direction left side steel wire rope winding is formed.
Figure 17 is the main sectional view of damper pulley in the present invention.
Figure 18 is the structural representation of damper pulley in the present invention.
Figure 19-Figure 20 is the damper pulley torque analysis schematic diagram in the present invention.
The front view of suspender in Figure 21 present invention.
Figure 22 is the top view of suspender in the present invention.
Figure 23 is the front view of over sling in the present invention.
Figure 24 is the top view of over sling in the present invention.
Figure 25-Figure 28 is the structural representation of rotating lock mechanism in the present invention.
Figure 29 is the front view of walking carriage in the present invention.
Figure 30 is to set the arrangement schematic diagram of jack at the two ends of bogie frame in the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of lightweight Multifunctional container gantry crane is present embodiments provided, it includes door frame Assembly 1, the walking dolly 4 on four angles of door frame assembly 1, the lifting mechanism 2 being installed on door frame assembly, suspender 3, Drivers' cab 5, ladder access railing 6, electrical system 7, cable drum 62, windbreak anchoring 63.
As seen in figures 3-6, the door frame assembly includes two door frames be arrangeding in parallel, and the door frame is by girder 8 and in master The supporting leg 9 at the two ends of beam 8 is constituted, and two door frames are connected by entablature 10, sill 12, can be set between entablature and sill Needle beam 11, the primary structure form of girder 8 uses box beam section, is provided with dividing plate and waling, and bottom both sides set ear Beam is used as dolly walking rails.Ear girder construction is made up of wearing plate 13, ear beam cover plate 14, ear web 15, ear beam dividing plate 16.Ear Beam sets 1:5 downward slopes, wheel automatic centering when being easy to towed fixed pulley trolley travelling, wearing plate is easy to quick-replaceable. Supporting leg 9 is variable section structure.Needle beam 11, sill 12 are box girder structure.Entablature 10, needle beam 11 and branch per side Leg 12 constitutes " well " word structure, the convenient quick overall package in scene.
As Figure 7-8, one group of lifting mechanism is correspondingly arranged on each door frame, two groups is had on door frame assembly and is risen Mechanism is risen, by the towed fixed pulley dolly assymmetric motion on the girder of the left and right sides, realizes that loading and unloading container ± 30 ° are turned round Function, facilitates container to align.Every group of lifting mechanism includes two sets of raising hoisting mechanisms, 17, one group of towed fixed pulley dolly 18th, a set of towed traveling hoisting mechanism 19.Each raising hoisting mechanism 17 correspondence is distributed on each sill 12, positioned at branch At leg 9 and supporting leg is penetrated, its position distribution realizes machine gravity and moves down, reduce superstructure load weight, realize collection Vanning gantry crane self structure lightweight.It is hung under towed fixed pulley dolly 18 on the lower ear beam of the girder 8 of door frame, is dragged Formula traveling hoisting mechanism 19 is dragged installed in the top of girder 8.Arranged by lifting mechanism dispersiveness in the present invention, improve door frame The stress of assembly.
In the present embodiment, the lifting mechanism has the anti-effect of shaking, and every group of lifting mechanism also includes assembly pulley, two-way raising Reel and the steel wire rope group being wound on the two-way hoisting drum, assembly pulley, the steel wire rope group the suspender with it is fixed Locus between pulley trolley forms multiple dels, and the lower summit of the del is symmetrically distributed in the suspender On.The present invention utilizes geometrical principle, winding angle and different fixed positions by steel wire rope group, and forming one kind has certain firm Property flexible connection mode, thus the suspender for having single pendulum property increased geometrical interference damping, eliminate bobbing amplitude, And then the swing of suspender is eliminated, realize multidirectional anti-shake.
Wherein, raising hoisting mechanism 17 is using two-way hoisting drum in the same direction, while it is for left-handed, another side be dextrorotation (such as Shown in Figure 12), steel wire rope is separately fixed at spool body two ends or middle part, its variable frequency reducer motor for passing through brake and encoder Drive.2 are respectively set in the left and right of sill, totally 4.
As shown in figs. 9-10, every group of towed fixed pulley dolly 18 is dragged by the first towed fixed pulley dolly and second Formula fixed pulley dolly composition is dragged, both structures are identical, on the walking track of its ear beam for hanging over girder down.Every towed is determined Pulley trolley includes trolley frame 26, and travelling wheel group 29 and 1 group of fixed pulley 27 are symmetrically arranged on two with trolley frame 26, and every group slides surely Wheel is made up of two fixed pulleys being arranged side by side, and every group of fixed pulley is made up of two fixed pulleys being arranged side by side, and two fixed pulleys are small 2 groups of fixed pulleys of car are arranged in dislocation, it is to avoid steel wire rope is interfered.Torr rope sheave 25 is equipped with the two ends of trolley frame 26.It is described Travelling wheel group 29 is pyramidal structure.It is connected by connecting rod 28 between two towed fixed pulley dollies, constitutes one group.To ensure Trolley travelling is steady, and trolley frame running track extreme position sets buffer unit 23 (illustrating in the figure 7).Also configured on trolley frame There is tensioning apparatus 22, its tensioning apparatus 22- uses screw machine locking mechanism, designed for regulation steel wire rope length.Wherein, Trolley frame 26 is main components and bearing part, with enough intensity, rigidity, fatigue strength and stability.For ease of installing Convenient, trolley frame 26 uses segment design, and junction is coupled using flange high-strength bolt.
As shown in Fig. 7,11, towed traveling hoisting mechanism includes traveling hoist engine 19, is distributed in the corner of each door frame The 3rd leading block group 20, the 3rd leading block group 20 includes 4 concentric leading blocks, the steel wire rope of traveling hoisting mechanism around Prescription formula is:Towed steel wire rope 24 is fixed on traveling hoist engine, around No. 13 concentric leading blocks from traveling hoist engine, No. 14 concentric leading blocks are walked, the tensioning apparatus on trolley frame is walked, No. 15 concentric leading blocks are walked, No. 16 is walked and is oriented to cunning with one heart Wheel, eventually passes back on traveling hoist engine, and its drum rope groove is same rotation direction, and two ends or middle part are provided with Locking stylet rope device.
The stabilization method of above-mentioned crane, comprises the following steps:
Step one, it is respectively symmetrically at the two ends of first, second towed fixed pulley dolly and is provided with 2 groups of fixed pulleys 27, every group Fixed pulley is made up of two fixed pulleys being arranged side by side, and 4 groups of movable pulleys 22 are symmetrically arranged with suspender, and every group of movable pulley includes 2 movable pulleys, every group of movable pulley 22 is corresponding with two groups of fixed pulleys 27 on towed fixed pulley dolly, and the spacing of two dollies is big In the spacing of two groups of movable pulleys (along two groups of girder direction), every the two of dolly groups of fixed pulley spacing (vertical girder direction) is big In every group of left and right moving pulley room of movable pulley away from;
Step 2, steel wire rope group correspondence is divided into left side steel wire rope 30 and right side steel wire rope 31, in the upper end of door frame assembly Surrounding is respectively provided with the first leading block group and the second leading block group, and the first leading block group is used for the ring for left side steel wire rope Around guiding, the first leading block group includes two concentric leading blocks being installed on the left of door frame and is installed in door frame right side Two eccentric changed course damper pulleys, the second leading block group is used for circular the guiding for right side steel wire rope, second guiding Two eccentric changed course damper pulleys that assembly pulley includes being installed on the left of door frame are oriented to one heart with two be installed on the right side of door frame Pulley.The steel wire rope bottom footpath circle of the eccentric changed course damper pulley and the central pin shaft circle 32 of pulley be eccentric structure (such as Figure 19, Shown in 20);Angle excursion when steel wire rope moves into or lay out rope race is less than 3 °.When damper pulley is balanced, the radius of gyration L1=L2, flywheel moment, L1*F=L2*F;When damper pulley is rotated, one enters radius of gyration L1 at rope and becomes big, it is another enter Radius of gyration L2 at rope diminishes, L1*F>L2*F, self-assembling formation prevents the torque that it is rotated, and keeps two torques entered at rope to put down Weighing apparatus.The bearing pin of directive wheel increases frictional resistance using the big material of coefficient of friction, constrains pulley rotation.The design of pulley is abundant The convenience for consider pulley inspection, lubrication, installing and changing, and it is provided with the protection device for preventing steel cable slot disengaging;
Step 3, as shown in Figure 11,14, the winding method of left side steel wire rope 30 is:
One end of the left side steel wire rope 30 be fixed on left side hoisting mechanism two-way hoisting drum on, the other end correspondence around To No. 20 concentric leading blocks, No. 4 fixed pulleys are walked, walk No. 10 movable pulleys, walk No. 3 fixed pulleys, walked No. 19 eccentric changed course dampings and slide Wheel, walks No. 18 eccentric changed course damper pulleys, walks No. 6 fixed pulleys, walks No. 11 movable pulleys, walks No. 5 fixed pulleys, walks No. 17 and is oriented to one heart Pulley, winds and fixed on the two-way hoisting drum for eventually passing back to left side raising hoist engine.
Step 4, as shown in Figure 11,14, the winding method of right side steel wire rope is:
One end of right side steel wire rope 31 is fixed on the two-way hoisting drum of the hoisting mechanism on right side, other end correspondence and the No. 23 concentric leading blocks on one towed fixed pulley dolly, walk No. 1 fixed pulley, walk No. 9 movable pulleys, walk No. 2 fixed pulleys, walk No. 24 eccentric changed course damper pulleys, walk No. 21 eccentric changed course damper pulleys, walk No. 7 fixed pulleys, walk No. 12 movable pulleys, walk No. 8 and determine Pulley, walks No. 22 second leading blocks, is wound on the two-way hoisting drum for eventually passing back to right side raising hoist engine and fixed.
After step 5, steel wire rope winding, due to two towed fixed pulley dollies and two running block spacing differences, pulling Between formula fixed pulley dolly and suspender, steel wire rope is projected in and forms triangle (as shown in figure 15) along main beam section;Due to dragging The left and right fixed pulley of formula fixed pulley dolly and the left and right moving pulley room of running block are dragged away from difference, steel wire rope is projected in vertical girder Section forms triangle (as shown in figure 16);Similarly, steel wire rope is projected in other any sections, has been respectively formed triangle;
After step 6, steel wire rope winding, because bias changed course damper pulley has automatic balance function, rope belt is constrained Dynamic eccentric changed course damper pulley rotation;
Step 7, summary step, after steel wire rope winding, the characteristics of there is stability using triangle, with reference to bias Changed course damper pulley has self balancing characteristic, realizes the rocking-prevention function of suspender.
In sum, 4 sets of raising elevators of the invention can be with a single movement, or two or three or four joints are moved Make, for other handling goods, realize one-machine-multi-function.
As further illustrated in figures 21-24, the suspender in the present embodiment includes over sling 64, slew gear, lower suspension bracket 33, described to hang oneself Frame 64 is connected by slew gear with lower suspension bracket 33, and the slew gear is used to realize the 360 degree of revolutions of lower suspension bracket, in over sling 64 4 connecting seats 34 are provided with, for realizing quickly being connected by bearing pin and movable pulley.Set on two right-angle sides of lower suspension bracket 33 Guide plate 35 is equipped with, for realizing quick positioning during container hanging.It is mounted at the two ends of the end carriage 37 of lower suspension bracket 33 Rotating lock mechanism 36.
In the present embodiment, the slew gear includes the turning motor 65 and turning motor 65 that are installed on over sling 64 The connected turbine and worm mechanism 66 of output shaft, the gyroaxis 67 with turbine and worm mechanism phase configuration, the upper company of the gyroaxis 67 Joint chair is connected with over sling 64, and the lower connecting base on gyroaxis is connected with lower suspension bracket 33, real to realize the 360 degree of revolutions of lower suspension bracket The handling requirement of railway container " door t door " is showed.
As shown in Figure 25-28, rotating lock mechanism include electric pushrod 38, eccentric wheel 39, linkage 40, guide wheel assembly 41, Rotation lock assembly 42 a, termination of the electric pushrod 38 is connected with eccentric wheel 39, and eccentric wheel 39 is connected with linkage 40, described Linkage 40 is connected with rotation lock assembly 42, and the guide wheel assembly 41 is that linkage 40 provides guide effect.According to reasonable row Journey is calculated, and electric pushrod 38 drives eccentric wheel 39 to be rotated by 90 °, and can then drive rotation lock assembly to ship and resell on another market rotation by linkage 40 90 °, it is capable of achieving rotating lock mechanism open locking.Electric pushrod 38 is a kind of electric operator, and its operation principle is rotated by motor Change into linear motion through turbine and worm or gear, by push-and-pull come and go reach make linkage complete reciprocating action, tool Have small volume, it is easy for installation, environment friendly and pollution-free, operate steadily, load big, high precision and can realize synchronised automatic control etc. Advantage.Electric pushrod uses minimum thrust 300kg.f.As shown in figure 27, the linkage 40 includes the swing rod being sequentially connected 43rd, horizon bar 44, pull bar 45, the swing rod 43 are connected with eccentric wheel 39, horizon bar 44 and the phase configuration of guide wheel assembly 41, pull bar 15 It is connected with rotation lock assembly 42.Wherein, horizon bar 44 can move along a straight line along guide wheel assembly 41;Swing rod 43 is in electric pushrod and partially Cycloid motion can be done under the promotion of heart wheel 39 around connecting shaft.Wherein, as shown in figure 28, rotation lock assembly is by 46, seat ring 47 of shipping and reselling on another market, cunning Set 48, slide plate 49, convex ball block 50, recessed ball block 51, fairlead 52 are constituted.Seat ring 47 is made up of male and female seat ring, ease of assembly and tears open Unload.Mechanism drives seat ring 47 to rotate by linkage 40, so as to drive 46 rotations of shipping and reselling on another market.Slide plate 49, convex ball block 50, recessed ball block Oil groove, convenient lubrication are set in 51.Fairlead 52 can be protected to ship and resell on another market when container hanging works and 46 is not mechanically damaged.
When needing lifting container, control suspender falls, and realizes shipping and reselling on another market using suspender both sides guide plate 35 being accurately positioned, and adjusts Whole suspender, suspender is declined after making four twist lock hook contraposition four oblong holes of container again, and four corners of suspender case limit Level sensor transmits signal to control room, starts electric pushrod afterwards in place, is shipped and resell on another market by linkage driving and is rotated by 90 °, twist lock Head clasps lockhole;Container and suspender lock into 1 entirety, are blocking, can carry out handling.
Suspender in the present invention drives rotation latch mechanism using electric pushrod, and structural detail is few, compact conformation, installation and debugging side Just, performance safety reliability, mechanism driving accuracy is easily guaranteed that, by slew gear, realizes 360 degree of any revolutions of container, Operating efficiency is effectively raised, the handling requirement of railway container " door t door " is realized.And in middle-size and small-size goods yard task amount The handling operation that suspender realizes different boxes can be at any time changed as needed in the case of less, simplify system, lightweight, dimension Shield is convenient, can effectively lower girder load and whole machine traveling power, while reducing the cost of suspender.
In the present embodiment, running truck wheel is whole machine load-bearing traveling part, and month after month frequent operation easily causes wheel rim throughout the year Abrasion and bearing damage etc., thus the present invention study it emphatically can be with the structure of quick-replaceable running truck wheel.Such as Figure 29-30 Shown, the running truck includes equalizer bar 55, and the upper end of the equalizer bar 55 is by free bearing 54 and the sill of door frame assembly It is connected, lower end is connected with bogie frame 56, equipped with the reducing motor 53, travelling wheel with brake and encoder on bogie frame 56 Group 57, is provided with the jack pad assembly matched with jack 59 on the leading section of equalizer bar 55, is all provided with the both sides of bogie frame 56 There is the jack pad assembly 61 matched with jack 58.Three jack pad assembly correspondence three jack of configuration, triangle structure, When needing to change travelling wheel group, jacking is started after jack is in place makes travelling wheel leave rail level, and bearing and platform are made using instrument Vehicle frame is separated, and then carries out the replacing of travelling wheel group.
The metal material of the door frame assembly in the present invention uses high-strength weathering steel, by the optimization of structure and similar Type congenerous conventional hoist contrast, weight be only its 1/2, effectively reduce the deadweight of crane, realize the light of whole machine Quantify.

Claims (8)

1. a kind of lightweight Multifunctional container gantry crane, it includes door frame assembly, four angles installed in door frame assembly On walking dolly, the lifting mechanism, suspender, drivers' cab, electrical system, the cable drum that are installed on door frame assembly, its feature It is:The lifting mechanism includes raising hoisting mechanism, towed fixed pulley dolly, towed traveling hoisting mechanism, described Rise hoisting mechanism to be distributed on the supporting leg of door frame assembly, towed fixed pulley dolly is mutually arranged with the girder of door frame assembly, described Towed traveling hoisting mechanism is installed in the top of girder, and the towed fixed pulley dolly correspondence is by towed traveling hoist engine Structure is pulled, and the door frame assembly includes two door frames be arrangeding in parallel, and the door frame is by girder and the supporting leg structure at girder two ends Into two door frames are connected by entablature, sill, one group of lifting mechanism are correspondingly arranged on each door frame, on girder Be provided with the walking rails mutually arranged with towed fixed pulley dolly, every group of lifting mechanism include two sets of raising hoisting mechanisms, one group Towed fixed pulley dolly, a set of towed traveling hoisting mechanism.
2. a kind of lightweight Multifunctional container gantry crane according to claim 1, it is characterised in that:Described every group Lifting mechanism is additionally included in assembly pulley, eccentric changed course damper pulley, the two-way hoisting drum for guiding and is wound in described Steel wire rope group in two-way hoisting drum, assembly pulley, damper pulley, the steel wire rope group the suspender and fixed pulley dolly it Between locus form multiple dels, the lower summit of the del is symmetrically distributed on the suspender.
3. a kind of lightweight Multifunctional container gantry crane according to claim 2, it is characterised in that:Described every group Towed fixed pulley dolly is made up of the first towed fixed pulley dolly and the second towed fixed pulley dolly, both structure phases Together, every towed fixed pulley dolly includes trolley frame, and travelling wheel group is provided with trolley frame, symmetrical at the two ends of travelling wheel group 1 group of fixed pulley is provided with, every group of fixed pulley is made up of two fixed pulleys being arranged side by side, led between two towed fixed pulley dollies Cross connecting rod to be connected, the fixed pulley of the first towed fixed pulley dolly and the second towed fixed pulley dolly is inside and outside dislocation cloth Put.
4. a kind of lightweight Multifunctional container gantry crane according to claim 3, it is characterised in that:The pulley Group includes 4 fixed pulleys set on every towed fixed pulley dolly, the 4 groups of movable pulleys set on suspender, every group of dynamic cunning Wheel includes two movable pulleys, and the steel wire rope group includes left side steel wire rope and right side steel wire rope, one end of the left side steel wire rope It is fixed on a two-way hoisting drum, in other end correspondence and the first towed fixed pulley dolly on fixed pulley and suspender 2 After individual movable pulley phase configuration, wind and be fixed on the two-way hoisting drum, one end of right side steel wire rope is fixed on another two-way On hoisting drum, the other end is corresponded to and 4 fixed pulleys on the second towed fixed pulley dolly and 2 movable pulley phases on suspender With postponing, wind and be fixed on the two-way hoisting drum.
5. a kind of lightweight Multifunctional container gantry crane according to claim 4, it is characterised in that:In each door The first leading block group and the second leading block group of the surrounding distribution on frame, four angles of the left side steel wire rope pass through respectively First leading block group is oriented to, and the first leading block group includes being installed in two concentric leading blocks and the peace on the left of door frame Two eccentric changed course damper pulleys on the right side of door frame are located at, four angles of the right side steel wire rope pass through the second leading block respectively Group is oriented to;The second leading block group includes being installed in two eccentric changed course damper pulleys on the left of door frame and is installed in door frame The concentric leading block of two of right side.
6. a kind of lightweight Multifunctional container gantry crane according to claim 1, it is characterised in that:The suspender 4 connecting seats are provided with over sling, for being connected with running block.
7. a kind of the anti-of lightweight Multifunctional container gantry crane according to claim 3 shakes method, and its feature exists In:It comprises the following steps:
Step one, it is respectively symmetrically at the two ends of first, second towed fixed pulley dolly and is provided with 2 groups of fixed pulleys, every group of fixed pulley It is made up of two fixed pulleys being arranged side by side, the fixed pulley dislocation arrangement of two dollies is connected between two dollies by connecting rod, is being hung 4 groups of running blocks are symmetrically arranged with tool, every group of running block is 2 movable pulleys, each group of movable pulley and towed fixed pulley One group of fixed pulley on dolly is corresponding, and the fixed pulley spacing of two dollies is more than two groups of spacing of movable pulley, every the two of dolly Group fixed pulley spacing is more than every group of 2 spacing of movable pulley of movable pulley;
Step 2, steel wire rope group correspondence is divided into left side steel wire rope and right side steel wire rope, the surrounding distribution on each door frame the Led by the first leading block group respectively at one leading block group and the second leading block group, four angles of the left side steel wire rope To the first leading block group includes two concentric leading blocks being installed on the left of door frame and be installed on the right side of door frame two Individual eccentric changed course damper pulley, four angles of the right side steel wire rope are oriented to by the second leading block group respectively;Described second Two eccentric changed course damper pulleys that leading block group includes being installed on the left of door frame are concentric with two be installed on the right side of door frame Leading block;
Step 3, the winding method of left side steel wire rope are:
One end of the left side steel wire rope is fixed on the two-way hoisting drum of left side hoisting mechanism, and the other end is walked to be oriented to one heart and slided A fixed pulley on wheel, the first towed fixed pulley dolly, the movable pulley on suspender, on the first towed fixed pulley dolly Fixed pulley, bias changed course damper pulley, bias changed course damper pulley, another group on the first towed fixed pulley dolly certain Pulley, the movable pulley on suspender, fixed pulley on the first towed fixed pulley dolly, concentric leading block eventually passes back to left side and rises Wound on the two-way hoisting drum for rising hoist engine and fixed;
The winding method of step 4, right side steel wire rope:
One end of the right side steel wire rope is fixed on the two-way hoisting drum of right side hoisting mechanism, and the other end is walked to be oriented to one heart and slided Wheel, the fixed pulley on the second towed fixed pulley dolly, the movable pulley on suspender, on the second towed fixed pulley dolly Another group on fixed pulley, eccentric changed course damper pulley, eccentric changed course damper pulley, the second towed fixed pulley dolly certain Fixed pulley, concentric leading block on movable pulley, the second towed fixed pulley dolly on pulley, suspender, eventually pass back to right side and rise Wound on the two-way hoisting drum for rising hoist engine and fixed.
8. a kind of the anti-of lightweight Multifunctional container gantry crane according to claim 7 shakes method, and its feature exists In:The steel wire rope bottom footpath circle and the central pin shaft of pulley of the eccentric changed course damper pulley are eccentric structure.
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