CN105936477A - Lightweight multifunctional container portal crane and anti-shaking method thereof - Google Patents
Lightweight multifunctional container portal crane and anti-shaking method thereof Download PDFInfo
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- CN105936477A CN105936477A CN201610459989.1A CN201610459989A CN105936477A CN 105936477 A CN105936477 A CN 105936477A CN 201610459989 A CN201610459989 A CN 201610459989A CN 105936477 A CN105936477 A CN 105936477A
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- fixed pulley
- pulley
- towed
- dolly
- steel wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
- B66C19/002—Container cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a lightweight multifunctional container portal crane and an anti-shaking method thereof. The portal crane comprises a portal assembly, walking trolleys mounted on the four corners of the portal assembly, a lifting mechanism mounted on the portal assembly and a lifting appliance and is characterized in that the lifting mechanism comprises a lifting winch mechanism, a dragging type fixed pulley trolley and a dragging type walking winch mechanism; the lifting winch mechanism is distributed at the lower end of the portal assembly, the dragging type fixed pulley trolley is matched with a main beam of the portal assembly, the dragging type walking winch mechanism is arranged above the main beam, and the dragging type fixed pulley trolley is correspondingly dragged by a dragging type walking winch; and characteristics that the triangle has stability are utilized, the characteristic of automatic balance of eccentric damping pulleys is combined, and the aim of shaking prevention of the lifting appliance of the container portal crane is achieved.
Description
Technical field
The present invention relates to crane field, particularly to a kind of lightweight Multifunctional container gantry crane and anti-shake method.
Background technology
Traditional lifting mechanism is made up of trolley, the hoisting system that hoists, fixed pulley group, walking system etc., and its volume is big,
Big from its lifting capacity of anharmonic ratio, particularly container crane is especially prominent, integrated after be placed on girder, cause not to girder
Necessary additional load.Therefore, research and development lightweight, efficient, advanced in performance lightweight Multifunctional container gate-type lifting
Machine construction technology and equipment thereof become the most urgent.
Additionally, there is also unpredictable operation inertia and the impact of wind load, cause suspender and container in vertical plane
Generation oscillates, and produces and reverse and concussion in horizontal plane.
This wave and reverse, shake, not only directly affect container position aligning time and the comfortableness of operation in cargo handling process,
Safety, also tends to make container produce collision.As collided frequently, by the electric of railway container crane hanger and hydraulic pressure
The stability of system, reliability produce strong influence.According to statistics, the fault of railway container bridge crane 80% is being hung
Tool, and the fault of suspender 80% is caused by casing working.Visible, waving and reverse, shaking of suspender, is to affect railway collection
The main cause of vanning crane work efficiency, and become railway container crane raising efficiency, reduced fault rate, reduction
Bottleneck in terms of labor intensity.Therefore, in order to ensure that railway container crane works efficiently, it is necessary to efficiently control it and hang
Have waves and reverses, shakes.
This wave and reverse, shake, not only directly affect container position aligning time and the comfortableness of operation, peace in cargo handling process
Quan Xing, also tends to make container produce collision.As collided frequently, by the electric of railway container crane hanger and hydraulic pressure system
The stability of system, reliability produce strong influence.According to statistics, the fault of railway container bridge crane 80% is being hung
Tool, and the fault of suspender 80% is caused by casing working.Visible, waving and reverse, shaking of suspender, is to affect railway collection
The main cause of vanning crane work efficiency, and become railway container crane raising efficiency, reduced fault rate, reduction
Bottleneck in terms of labor intensity.Therefore, in order to ensure that railway container crane works efficiently, it is necessary to efficiently control it and hang
Have waves and reverses, shakes.
Summary of the invention
The technical problem to be solved is not enough offer a kind of simple in construction, the operation existed for above-mentioned prior art
Flexibly, can effectively reduce the lightweight Multifunctional container gantry crane of crane weight and prevent shaking method.
The technical solution adopted in the present invention is: a kind of lightweight Multifunctional container gantry crane, it include door frame assembly,
It is arranged on the walking dolly on four angles of door frame assembly, the lifting mechanism being installed on door frame assembly, suspender, drivers' cab, electricity
Gas system, cable drum, it is characterised in that: described lifting mechanism include hoisting hoisting mechanism, towed fixed pulley dolly, drag
Drag formula traveling hoisting mechanism, described in the hoisting mechanism that hoists be distributed on the supporting leg of door frame assembly, towed fixed pulley dolly and door frame
The girder of assembly arranges mutually, and described towed traveling hoisting mechanism is installed in the top of girder, described towed fixed pulley dolly pair
Should be pulled by towed traveling hoisting mechanism.
By technique scheme, described door frame assembly includes two door frames be arrangeding in parallel, and described door frame is by girder with at girder two
The supporting leg of end is constituted, and two door frames are connected by entablature, sill, are correspondingly arranged on one group of lifting machine on each door frame
Structure, is provided with the walking rails arranged mutually with towed fixed pulley dolly on girder, and often group lifting mechanism includes that two sets hoist elevator
Mechanism, one group of towed fixed pulley dolly, a set of towed traveling hoisting mechanism.
By technique scheme, described often group lifting mechanism be additionally included in assembly pulley, for the eccentric changed course damper pulley guided,
Two-way hoisting drum and be wound in the steel wire rope group in described two-way hoisting drum, assembly pulley, damper pulley, described steel wire rope
Group locus between described suspender and fixed pulley dolly forms multiple del, and the lower summit of described del is symmetrical
It is distributed on described suspender.
By technique scheme, described often group towed fixed pulley dolly is fixed by the first towed fixed pulley dolly and the second towed
Pulley trolley forms, and both structures are identical, and every towed fixed pulley dolly includes trolley frame, is provided with travelling wheel on trolley frame
Group, is arranged with 1 group of fixed pulley at the two ends of traveling wheels, and often group fixed pulley is made up of two fixed pulleys being arranged side by side, and two
It is connected by connecting rod between platform towed fixed pulley dolly, the first towed fixed pulley dolly and the second towed fixed pulley dolly
Fixed pulley be inside and outside dislocation arrange.
By technique scheme, described assembly pulley includes 4 fixed pulleys arranged on every towed fixed pulley dolly, at suspender
4 groups of movable pulleys of upper setting, often group movable pulley includes that two movable pulleys, described steel wire rope group include left side steel wire rope and right side steel
Cord, one end of described left side steel wire rope is fixed on a two-way hoisting drum, and the other end is corresponding little with the first towed fixed pulley
After fixed pulley on car and 2 movable pulley phase configuration on suspender, it is wound around and is fixed on this two-way hoisting drum, right side steel wire
One end of rope is fixed on another two-way hoisting drum, other end correspondence and 4 fixed pulleys on the second towed fixed pulley dolly
And after 2 movable pulley phase configuration on suspender, be wound around and be fixed on this two-way hoisting drum.
By technique scheme, the first leading block group of the surrounding distribution on each door frame and the second leading block group, described
Four angles of left side steel wire rope are guided by the first leading block group respectively, and it is left that described first leading block group includes being installed in door frame
Two concentric leading blocks of side and two be installed on the right side of door frame eccentric changed course damper pulley, four of described right side steel wire rope
Angle is guided by the second leading block group respectively；Described second leading block group includes being installed in the eccentric changed course of two on the left of door frame
Damper pulley and be installed in two concentric leading blocks on the right side of door frame.
By technique scheme, described suspender is provided with 4 on over sling and connects seat, 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 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, often organize fixed pulley
Being made up of two fixed pulleys being arranged side by side, the fixed pulley dislocation of two dollies is arranged, is connected by connecting rod, hanging between two dollies
Being symmetrically arranged with 4 groups of running blocks on tool, often group 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 the spacing of two groups of movable pulleys, two groups of every dolly
Fixed pulley spacing is more than the spacing of 2 movable pulleys often organizing 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 first on each door frame
Leading block group and the second leading block group, four angles of described left side steel wire rope are guided by the first leading block group respectively, institute
State the first leading block group include being installed in two concentric leading blocks on the left of door frame and be installed in two bias on the right side of door frame and change
To damper pulley, four angles of described right side steel wire rope are guided by the second leading block group respectively；Described second leading block group
Alter course damper pulley including two be installed on the left of door frame are eccentric and are installed in two concentric leading blocks on the right side of door frame；
Step 3, the winding method of left side steel wire rope be:
One end of described 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 guided cunning with one heart
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, eccentric changed course damper pulley, eccentric 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 pass back to left side and rise
Rise and be wound around on the two-way hoisting drum of hoist engine and fix；
Step 4, the winding method of right side steel wire rope:
One end of described 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 guided cunning with one heart
On a fixed pulley on wheel, the second towed fixed pulley dolly, the movable pulley on suspender, 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 on pulley, suspender, the second towed fixed pulley dolly, eventually pass back to right side and rise
Rise and be wound around on the two-way hoisting drum of hoist engine and fix.
By technique scheme, at the bottom of the steel wire rope of described eccentric changed course damper pulley, footpath circle is eccentric knot with the central pin shaft of pulley
Structure.
After steel wire rope winding, due to two towed fixed pulley dollies and two running block spacing differences, at towed fixed pulley dolly
With between suspender, steel wire rope is projected in and defines triangle along main beam section；Left and right fixed pulley due to towed fixed pulley dolly
With the left and right moving pulley room of running block away from difference, steel wire rope is projected in vertical main beam section and defines triangle；In like manner, steel wire
Rope is projected in other arbitrary sections, has been respectively formed triangle.
After steel wire rope winding, owing to bias changed course damper pulley has automatic balance function, constraint steel wire rope drives bias changed course resistance
Buddhist nun's pulley rotates.
Summary step, after steel wire rope winding, utilizes triangle to have the feature of stability, in conjunction with eccentric changed course damper pulley
There is self balancing characteristic, it is achieved that the rocking-prevention function of suspender.
Acquired by the present invention have the beneficial effect that 1, each hoisting mechanism correspondence that hoists of the present invention is distributed in the four of door frame assembly
On individual angle, its position distribution achieves machine gravity and moves down, and reduces superstructure load weight, it is achieved container door rises
Heavy-duty machine self structure lightweight；2, the lifting mechanism of the present invention is forming multiple inverted triangle along girder direction and vertical girder direction
Shape, by multi-direction triangular arrangement, coordinates damper pulley, it is achieved that all directions prevent the purpose shaken；3,4 sets of the present invention
Hoist elevator can a single movement, or two or three or four teamworks, for other handling goods, it is achieved a machine
Multipotency, flexible operation, simultaneously by the assymmetric motion of the towed dolly of two groups of lifting mechanisms on two door frames, can realize
Loading and unloading container ± 30 ° revolute function, facilitates container para-position.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention.
Fig. 2 is the side view of the present 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 representation of Fig. 5 middle girder of the present invention.
Fig. 6 is the partial structurtes schematic diagram of middle girder of the present invention.
Fig. 7-Fig. 8 is the layout 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.
The winding schematic diagram of the steel wire rope of one group 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 left side steel wire rope winding and the winding schematic diagram of right side steel wire rope.
Figure 15 is the inverted triangle schematic diagram formed along steel wire rope on the left of girder direction and right side steel wire rope winding.
Figure 16 is the inverted triangle schematic diagram that on the left of vertical girder direction, 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 the layout schematic diagram that in the present invention, two ends at bogie frame arrange jack.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, present embodiments providing a kind of lightweight Multifunctional container gantry crane, it includes that door frame is total
One-tenth 1, the walking dolly 4 being arranged 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, described door frame assembly includes two door frames be arrangeding in parallel, and described door frame is by girder 8 with at girder 8
The supporting leg 9 at two ends is constituted, and two door frames are connected by entablature 10, sill 12, can set between entablature and sill
Needle beam 11, the primary structure form of girder 8 uses box beam cross section, is provided with dividing plate and waling, and both sides, bottom set
Ear beam is as dolly walking rails.Ear girder construction is by wearing plate 13, ear beam cover plate 14, ear web 15, ear beam dividing plate 16
Composition.Ear beam arranges 1:5 downward slope, it is simple to wheel automatic centering during towed fixed pulley trolley travelling, wearing plate is easy to soon
Speed is changed.Supporting leg 9 is variable section structure.Needle beam 11, sill 12 are box girder structure.The entablature 10 of every side,
Needle beam 11 and supporting leg 12 form " well " word structure, convenient on-the-spot quickly overall package.
As Figure 7-8, each door frame is correspondingly arranged on one group of lifting mechanism, door frame assembly has two groups of lifting machines
Structure, by the towed fixed pulley dolly assymmetric motion on the girder of the left and right sides, it is achieved loading and unloading container ± 30 ° revolution merit
Can, facilitate container para-position.Often group lifting mechanism includes that two sets hoist 17, one group of towed fixed pulley dolly of hoisting mechanism
18, a set of towed traveling hoisting mechanism 19.Each hoisting mechanism 17 correspondence that hoists is distributed on each sill 12, position
At supporting leg 9 and penetrate supporting leg, its position distribution achieves machine gravity and moves down, and reduces superstructure load weight, real
Existing gantry container crane self structure lightweight.Towed fixed pulley dolly is hung on the Xia Erliang of the girder 8 of door frame for 18 times
On, towed traveling hoisting mechanism 19 is arranged on the top of girder 8.The present invention is arranged by lifting mechanism dispersibility, changes
It is apt to the stress of door frame assembly.
In the present embodiment, described lifting mechanism has to be prevented shaking effect, and often group lifting mechanism also includes assembly pulley, two-way hoisting drum
And it being wound in the steel wire rope group on described two-way hoisting drum, assembly pulley, described steel wire rope group is little with fixed pulley at described suspender
Locus between car forms multiple del, and the lower summit of described del is symmetrically distributed on described suspender.This
Bright utilize geometrical principle, by winding angle and the different fixed positions of steel wire rope group, form a kind of flexibility having certain rigidity
Connected mode, thus adds geometrical interference damping to the suspender having single pendulum character, eliminates bobbing amplitude, and then eliminates
The swing of suspender, it is achieved multidirectional anti-shake.
Wherein, the hoisting mechanism 17 that hoists uses the most two-way hoisting drum, and it is left-handed, and another side is that dextrorotation is (such as figure
Shown in 12), steel wire rope is separately fixed at spool body two ends or middle part, and it is driven by the variable frequency reducer motor of brake and encoder
Dynamic.2 are respectively set in the left and right of sill, totally 4.
As shown in figs. 9-10, described often group towed fixed pulley dolly 18 is by the first towed fixed pulley dolly and the second towed
Fixed pulley dolly forms, and both structures are identical, on the walking track of its ear beam hanging over down girder.Every towed fixed pulley
Dolly includes trolley frame 26, is symmetrically arranged on two with traveling wheels 29 and 1 group of fixed pulley 27 at trolley frame 26, and often group is fixed sliding
Wheel is made up of two fixed pulleys being arranged side by side, and often group fixed pulley is made up of two fixed pulleys being arranged side by side, two fixed pulley dollies
2 groups of fixed pulleys in dislocation arrange, it is to avoid steel wire rope interfere.Two ends at trolley frame 26 is equipped with torr rope sheave 25.Described
Traveling wheels 29 are pyramidal structure.It is connected by connecting rod 28 between two towed fixed pulley dollies, forms one group.For protecting
Card trolley travelling is steady, and the trolley frame operation pole of orbit is spacing installs buffer unit 23 (signal in the figure 7).On trolley frame also
Being configured with tensioner 22, its tensioner 22-uses screw machine locking mechanism, designs for regulation steel wire rope length.
Wherein, trolley frame 26 is main components and bearing part, has enough intensity, rigidity, fatigue strength and stability.For
Being easily installed conveniently, trolley frame 26 uses segment design, and junction uses flange high-strength bolt to couple.
Such as Fig. 7, shown in 11, towed traveling hoisting mechanism includes traveling hoist engine 19, four angular distribution at each door frame
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, slides around No. 13 concentric guiding from traveling hoist engine
Wheel, walks No. 14 concentric leading blocks, walks the tensioner on trolley frame, walk No. 15 concentric leading blocks, walks No. 16 with one heart
Leading block, eventually passes back on traveling hoist engine, and its drum rope groove is that same rotation direction, two ends or middle part are provided with Locking stylet rope dress
Put.
The stabilization method of above-mentioned crane, comprises the steps:
Step one, being respectively symmetrically at the two ends of first, second towed fixed pulley dolly and be provided with 2 groups of fixed pulleys 27, often group is fixed
Pulley is made up of two fixed pulleys being arranged side by side, and is symmetrically arranged with 4 groups of movable pulleys 22 on suspender, and often group movable pulley includes 2
Individual movable pulley, often group 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), two groups of fixed pulley spacing (vertical girder direction) of every dolly
More than often organize the 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 surrounding of door frame assembly
Being respectively provided with the first leading block group and the second leading block group, the first leading block group is led for the cincture for left side steel wire rope
To, described first leading block group includes two the concentric leading blocks being installed on the left of door frame and is installed in two on the right side of door frame
Eccentric changed course damper pulley, the second leading block group guides for the cincture for right side steel wire rope, described second leading block group bag
Include and be installed in the eccentric changed course damper pulley of two on the left of door frame and be installed in two concentric leading blocks on the right side of door frame.Described partially
Footpath circle at the bottom of the steel wire rope of heart changed course damper pulley and the central pin shaft of pulley circle 32 are 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 balances, radius of gyration L1=L2, returns
Torque, L1*F=L2*F；When damper pulley rotates, one enters the radius of gyration L1 at rope and becomes big, and another enters returning at rope
Turning radius L2 to diminish, L1*F > L2*F, self-assembling formation stops its moment rotated, and keeps two to enter the equalising torque at rope.Guide
The bearing pin of wheel uses the material that coefficient of friction is big, increases frictional resistance, retrains pulley rotation.The design of pulley takes into full account pulley
The convenience checking, lubricate, install and changing, and it is provided with the protection device preventing steel cable slot disengaging；
Step 3, such as Figure 11, shown in 14, the winding method of left side steel wire rope 30 is:
One end of described left side steel wire rope 30 is fixed on the two-way hoisting drum of left side hoisting mechanism, and the other end is corresponding around 20
Number concentric leading block, walks No. 4 fixed pulleys, walks No. 10 movable pulleys, walk No. 3 fixed pulleys, walks No. 19 eccentric changed course dampings sliding
Wheel, walks No. 18 eccentric changed course damper pulley, walks No. 6 fixed pulleys, walk No. 11 movable pulleys, walk No. 5 fixed pulleys, walk No. 17
With one heart leading block, eventually pass back to left side hoist hoist engine two-way hoisting drum on be wound around and fix.
Step 4, such as Figure 11, shown in 14, the winding method of right side steel wire rope is:
On the two-way hoisting drum of the hoisting mechanism that one end of right side steel wire rope 31 is fixed on right side, other end correspondence is dragged with first
Drag No. 23 concentric leading blocks on formula 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 pulley, walk No. 21 eccentric changed course damper pulley, walk No. 7 fixed pulleys, walk No. 12 movable pulleys,
Walk No. 8 fixed pulleys, walk No. 22 second leading blocks, eventually pass back to right side hoist hoist engine two-way hoisting drum on be wound around also
Fixing.
After step 5, steel wire rope winding, due to two towed fixed pulley dollies and two running block spacing differences, fixed in towed
Between pulley trolley and suspender, steel wire rope is projected in and defines triangle (as shown in figure 15) along main beam section；Due to towed
The left and right fixed pulley of fixed pulley dolly and the left and right moving pulley room of running block are away from difference, and steel wire rope is projected in vertical main beam section shape
Become triangle (as shown in figure 16)；In like manner, steel wire rope is projected in other arbitrary sections, has been respectively formed triangle；
After step 6, steel wire rope winding, owing to bias changed course damper pulley has automatic balance function, constraint steel wire rope drives partially
Heart changed course damper pulley rotates；
Step 7, summary step, after steel wire rope winding, utilize triangle to have the feature of stability, in conjunction with eccentric changed course
Damper pulley has self balancing characteristic, it is achieved that the rocking-prevention function of suspender.
In sum, 4 sets of the present invention hoist elevator can a single movement, or two or three or four teamworks,
For other handling goods, it is achieved 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 in hang oneself
Frame 64 is connected with lower suspension bracket 33 by slew gear, and described slew gear is used for realizing the revolution of 360 degree of lower suspension bracket, at over sling
64 are provided with 4 connects seat 34, for realizing quickly being connected with movable pulley by bearing pin.Two right-angle sides at lower suspension bracket 33
On be provided with guide plate 35, the quick location in time realizing container hanging.Equal at the two ends of the end carriage 37 of lower suspension bracket 33
Rotating lock mechanism 36 is installed.
In the present embodiment, described slew gear includes that the turning motor 65 being installed on over sling 64 is defeated with turning motor 65
The turbine and worm mechanism 66 that shaft is connected, with the gyroaxis 67 of turbine and worm mechanism phase configuration, the upper connection of described gyroaxis 67
Seat is connected with over sling 64, and the lower connecting base on gyroaxis is connected with lower suspension bracket 33, to realize lower 360 degree of suspension bracket revolution, real
Show the handling requirement of railway container " door t door ".
As shown in Figure 25-28, rotating lock mechanism include electric pushrod 38, eccentric 39, linkage 40, guide wheel assembly 41,
Rotation lock assembly 42, a termination of described electric pushrod 38 is connected with eccentric 39, eccentric 39 and linkage 40 phase
Even, described linkage 40 is connected with rotation lock assembly 42, and described guide wheel assembly 41 provides guide effect for linkage 40.
According to reasonable climb displacement, electric pushrod 38 drives eccentric 39 half-twist, then can be driven rotation lock by linkage 40
Assembly is shipped and resell on another market half-twist, can realize rotating lock mechanism open locking.Electric pushrod 38 is a kind of electric operator, and its work is former
Reason is to be rotated by motor to change into linear motion through turbine and worm or gear, is come and gone by push-and-pull, reaches to make linkage complete
Become reciprocating action, have that volume is little, easy for installation, environment friendly and pollution-free, operate steadily, load big, precision is high and can realize
The advantages such as synchronised automatic control.Electric pushrod uses minimum thrust 300kg.f.As shown in figure 27, described linkage 40
Including the fork 43 being sequentially connected, horizon bar 44, pull bar 45, described fork 43 is connected with eccentric 39, horizon bar 44
With guide wheel assembly 41 phase configuration, pull bar 15 is connected with rotation lock assembly 42.Wherein, horizon bar 44 can be along guide wheel assembly 41
Move along a straight line；Fork 43 can do cycloid motion around connecting shaft under the promotion of electric pushrod and eccentric 39.Wherein, such as figure
Shown in 28, rotation lock assembly by shipping and reselling on another market 46, seat ring 47, sliding sleeve 48, slide plate 49, convex ball block 50, recessed ball block 51, fairlead
52 compositions.Seat ring 47 is made up of male and female seat ring, easy assembly and disassembly.Mechanism is driven seat ring 47 turns by linkage 40
Dynamic, thus drive 46 rotations of shipping and reselling on another market.Slide plate 49, convex ball block 50, recessed ball block 51 arrange oil groove, convenient lubrication.Guide
Set 52 can be protected when container hanging works to ship and resell on another market and 46 not be mechanically damaged.
When needing to lift container, control suspender and fall, utilize suspender both sides guide plate 35 to realize shipping and reselling on another market being accurately positioned, adjust
Suspender, declines suspender after making four twist lock hook four oblong hole of para-position container again, and four corners of suspender the spacing biography of case
Sensor transmission signal, to control room, starts electric pushrod, drives 90-degree rotation of shipping and reselling on another market, twist lock head by linkage after putting in place
Clasp lockhole；1 entirety locked into by container with suspender, for blocking, can carry out handling.
Suspender in the present invention uses electric pushrod to drive rotation latch mechanism, and structural detail is few, compact conformation, and installation and debugging are convenient,
Performance safety is reliable, and mechanism driving degree of accuracy is easily guaranteed that, passes through slew gear, it is achieved the arbitrarily revolution of 360 degree of container, has
Imitate improves work efficiency, it is achieved that the handling requirement of railway container " door t door ".And at middle-size and small-size goods yard task amount not
Suspender can be changed in the case of great the most at any time and realize the handling operation of different box, simplify system, lightweight, safeguard
Convenient, can effectively lower girder load and complete machine traveling power, reduce the cost of suspender simultaneously.
In the present embodiment, running truck wheel is complete machine load-bearing traveling part, the most month after month frequent operation easily cause wheel wear and
Bearing damage etc., therefore the present invention study emphatically it can be with the structure of quick-replaceable running truck wheel.As illustrated in figs. 29-30,
Described running truck includes equalizer bar 55, and the upper end of described equalizer bar 55 is by the sill phase of free bearing 54 with door frame assembly
Even, lower end is connected with bogie frame 56, is equipped with the reducing motor 53 with brake and encoder, traveling on bogie frame 56
Wheels 57, are provided with the jack pad assembly matched with jack 59, in the both sides of bogie frame 56 on the leading section of equalizer bar 55
It is equipped with the jack pad assembly 61 matched with jack 58.Three jack pad assembly correspondence three jack of configuration, triangle
Structure, when traveling wheels changed by needs, starts jacking and makes travelling wheel leave rail level after jack is in place, employing instrument makes bearing
Separate with bogie frame, then carry out the replacing of traveling wheels.
The metal material of the door frame assembly in the present invention all uses high-strength weathering steel, by the optimization of structure, with the same merit of type
Can conventional hoist contrast, weight be only its 1/2, effectively reduce the deadweight of crane, it is achieved that the lightweight of complete machine.
Claims (9)
1. a lightweight Multifunctional container gantry crane, it includes door frame assembly, it is arranged on the walking dolly on four angles of door frame assembly, it is installed in the lifting mechanism on door frame assembly, suspender, drivers' cab, electrical system, cable drum, it is characterized in that: described lifting mechanism includes the hoisting mechanism that hoists, towed fixed pulley dolly, towed traveling hoisting mechanism, the described hoisting mechanism that hoists is distributed on the supporting leg of door frame assembly, towed fixed pulley dolly arranges mutually with the girder of door frame assembly, described towed traveling hoisting mechanism is installed in the top of girder, described towed fixed pulley dolly correspondence is pulled by towed traveling hoisting mechanism.
2. to remove a kind of lightweight Multifunctional container gantry crane described in 1 according to right, it is characterized in that: described door frame assembly includes two door frames be arrangeding in parallel, described door frame is made up of girder and the supporting leg at girder two ends, two door frames are connected by entablature, sill, each door frame is correspondingly arranged on one group of lifting mechanism, being provided with the walking rails arranged mutually with towed fixed pulley dolly on girder, often group lifting mechanism includes that two sets hoist hoisting mechanism, one group of towed fixed pulley dolly, a set of towed traveling hoisting mechanism.
A kind of lightweight Multifunctional container gantry crane the most according to claim 2, it is characterized in that: described often group lifting mechanism is additionally included in assembly pulley, for eccentric changed course damper pulley, the two-way hoisting drum guided and be wound in the steel wire rope group in described two-way hoisting drum, assembly pulley, damper pulley, described steel wire rope group locus between described suspender and fixed pulley dolly forms multiple del, and the lower summit of described del is symmetrically distributed on described suspender.
A kind of lightweight Multifunctional container gantry crane the most according to claim 3, it is characterized in that: described often group towed fixed pulley dolly is made up of the first towed fixed pulley dolly and the second towed fixed pulley dolly, both structures are identical, every towed fixed pulley dolly includes trolley frame, trolley frame is provided with traveling wheels, 1 group of fixed pulley it is arranged with at the two ends of traveling wheels, often group fixed pulley is made up of two fixed pulleys being arranged side by side, it is connected by connecting rod between two towed fixed pulley dollies, the fixed pulley of the first towed fixed pulley dolly and the second towed fixed pulley dolly is that inside and outside dislocation is arranged.
A kind of lightweight Multifunctional container gantry crane the most according to claim 4, it is characterized in that: described assembly pulley includes 4 fixed pulleys arranged on every towed fixed pulley dolly, the 4 groups of movable pulleys arranged on suspender, often group movable pulley includes two movable pulleys, described steel wire rope group includes left side steel wire rope and right side steel wire rope, one end of described left side steel wire rope is fixed on a two-way hoisting drum, after fixed pulley in other end correspondence and the first towed fixed pulley dolly and 2 movable pulley phase configuration on suspender, it is wound around and is fixed on this two-way hoisting drum, one end of right side steel wire rope is fixed on another two-way hoisting drum, after 4 fixed pulleys in other end correspondence and the second towed fixed pulley dolly and 2 movable pulley phase configuration on suspender, it is wound around and is fixed on this two-way hoisting drum.
A kind of lightweight Multifunctional container gantry crane the most according to claim 5, it is characterized in that: the first leading block group of the surrounding distribution on each door frame and the second leading block group, four angles of described left side steel wire rope are guided by the first leading block group respectively, described first leading block group includes two the concentric leading blocks being installed on the left of door frame and two the eccentric changed course damper pulley being installed on the right side of door frame, and four angles of described right side steel wire rope are guided by the second leading block group respectively；Described second leading block group includes being installed in the eccentric changed course damper pulley of two on the left of door frame and being installed in two concentric leading blocks on the right side of door frame.
A kind of lightweight Multifunctional container gantry crane the most according to claim 1 and 2, it is characterised in that: described suspender is provided with 4 on over sling and connects seat, for being connected with running block.
A kind of the anti-of lightweight Multifunctional container gantry crane the most according to claim 4 shakes method, it is characterised in that: it comprises the steps:
Step one, first, the two ends of the second towed fixed pulley dolly are respectively symmetrically and are provided with 2 groups of fixed pulleys, often group fixed pulley is made up of two fixed pulleys being arranged side by side, the fixed pulley dislocation of two dollies is arranged, connected by connecting rod between two dollies, suspender is symmetrically arranged with 4 groups of running blocks, often group running block is 2 movable pulleys, each group of movable pulley is corresponding with one group of fixed pulley on towed fixed pulley dolly, the fixed pulley spacing of two dollies is more than the spacing of two groups of movable pulleys, two groups of fixed pulley spacing of every dolly are more than the spacing of 2 movable pulleys often organizing movable pulley；
Step 2, steel wire rope group correspondence is divided into left side steel wire rope and right side steel wire rope, surrounding on each door frame is distributed the first leading block group and the second leading block group, four angles of described left side steel wire rope are guided by the first leading block group respectively, described first leading block group includes two the concentric leading blocks being installed on the left of door frame and two the eccentric changed course damper pulley being installed on the right side of door frame, and four angles of described right side steel wire rope are guided by the second leading block group respectively；Described second leading block group includes being installed in the eccentric changed course damper pulley of two on the left of door frame and being installed in two concentric leading blocks on the right side of door frame.；
Step 3, the winding method of left side steel wire rope be:
One end of described left side steel wire rope is fixed on the two-way hoisting drum of left side hoisting mechanism, the other end walks the fixed pulley on concentric leading block, the first towed fixed pulley dolly, a movable pulley on suspender, fixed pulley on first towed fixed pulley dolly, eccentric changed course damper pulley, eccentric changed course damper pulley, one fixed pulley of another group on the first towed fixed pulley dolly, movable pulley on suspender, fixed pulley on first towed fixed pulley dolly, with one heart leading block, eventually pass back to left side hoist hoist engine two-way hoisting drum on be wound around and fix；
Step 4, the winding method of right side steel wire rope:
One end of described right side steel wire rope is fixed on the two-way hoisting drum of right side hoisting mechanism, the other end walks fixed pulley, concentric leading block on the fixed pulley of another group on the fixed pulley on concentric leading block, the second towed fixed pulley dolly, the movable pulley on suspender, the fixed pulley on the second towed fixed pulley dolly, eccentric changed course damper pulley, eccentric changed course damper pulley, the second towed fixed pulley dolly, movable pulley on suspender, the second towed fixed pulley dolly, eventually pass back to right side hoist hoist engine two-way hoisting drum on be wound around and fix.
A kind of the anti-of lightweight Multifunctional container gantry crane the most according to claim 8 shakes method, it is characterised in that: at the bottom of the steel wire rope of described eccentric changed course damper pulley, footpath circle is eccentric structure with the central pin shaft of pulley.
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Effective date of registration: 20171023 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Co-patentee after: China Academy of Railway Sciences Patentee after: CHINA RAILWAY CORPORATION Co-patentee after: Transport and Economics Research Institute, China Academy of Railway Sciences Co-patentee after: China Railway Heavy Machinery Co., Ltd. Address before: 100081 Beijing City, Haidian District Road No. 2 Daliushu district 15 building five layer Co-patentee before: China Railway Heavy Machinery Co., Ltd. Patentee before: Transport and Economics Research Institute, China Academy of Railway Sciences |