CN108946515A - A kind of lifting equipment - Google Patents
A kind of lifting equipment Download PDFInfo
- Publication number
- CN108946515A CN108946515A CN201811029799.1A CN201811029799A CN108946515A CN 108946515 A CN108946515 A CN 108946515A CN 201811029799 A CN201811029799 A CN 201811029799A CN 108946515 A CN108946515 A CN 108946515A
- Authority
- CN
- China
- Prior art keywords
- trolley
- equalizer bar
- operating condition
- lifting
- load dividing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/18—Cranes 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 specially adapted for use in particular purposes
- B66C23/36—Cranes 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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/50—Cranes 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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes mounted on railway vehicles, e.g. breakdown cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/18—Cranes 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 specially adapted for use in particular purposes
- B66C23/36—Cranes 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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/60—Derricks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
- B66C9/12—Undercarriages or bogies, e.g. end carriages, end bogies with load-distributing means for equalising wheel pressure
Abstract
The present invention relates to a kind of lifting equipments, it include: chassis and arm support component, chassis includes track, sets multiple first load dividing dollies (2) and multiple second load dividing dollies (2 ') for being located at arm support component lower front portion and Background Region in orbit；In the case where small weight lifts operating condition, each first load dividing dolly (2) includes equalizer bar and two trolleys along track extending direction setting, and equalizer bar is overlapped on above two trolleys；Under overweight lifting operating condition, each first load dividing dolly (2) extension increases equalizer bar and trolley, increased trolley is located at original trolley along the outside of track extending direction, and at least partly increased equalizer bar is overlapped in the top of increased trolley and original equalizer bar.The present invention can configure the Lifting Capacity of lifting equipment according to practical hoist demand, and the waste of Lifting Capacity can be avoided when hoist amount is smaller and increases Lifting Capacity by structure extension in overweight hoist, while can also reduce the grounding pressure to ground.
Description
Technical field
The present invention relates to technical field of engineering machinery more particularly to a kind of lifting equipments.
Background technique
With the fast development of international energy and petrochemical industry project construction field, modularization, enlargement and integration in engineering
Lifting requirements are continuously improved, and to crane facility lifting capacity and hoisting moment, more stringent requirements are proposed.
Super large heavy-duty hoisting equipment is a kind of crane of new model, with the big advantage of lifting capacity and hoisting moment, often
It is used as the lifting of super-big and overweight part.In the composition of complete machine, chassis system accounts in complete machine about 1/3 cost.With super at present
Big overweight part construction is increasing, and the processing of ground is a problem in super-big and overweight part hoisting process, and be one can not
Inverse process needs to spend biggish cost that can solve, and ground needs the bigger cost to be spent of grounding pressure born
Also bigger.
In currently used Full Rotary ring rail crane, anterior-posterior balance trolley is arranged using same way, and counterweight is solid
Be scheduled on platform, it is irremovable, generally by increase platform balance weight, strengthen complete machine structure or adjustment race way diameter size come
Promote the bearing capacity of complete machine.The variation of such mode ring rail crane hoisting moment is by adjusting between front chassis and counterweight
Distance realize, entire conversion process is extremely complex.
For such crane, the promotion of bearing capacity be only capable of by replacement strengthen structural member, increase counterweight quantity or
Race way diameter is adjusted, bearing capacity promotion is limited, and cost is larger, and component poor universality, utilization rate is not high, and is limited by transport item
The limitation of part, structural member are also impossible to unconfined reinforcement.Moreover, after reinforcing improving elevating capacity by structural member, ground connection
Also increase than pressure, to basement process, more stringent requirements are proposed.In addition, in the case where meeting the lifting of overweight part, in small hoist
Measure operating condition when, and will cause elevating capacity waste, after all the lifting operating condition of overweight part frequency of use in actual work not
It is high.
Summary of the invention
The embodiment provides a kind of lifting equipments, can meet lifting equipment simultaneously under different hoist amounts
Demand.
To achieve the above object, the embodiment provides a kind of lifting equipment, including chassis and arm support component, bottoms
Disk includes track and multiple first load dividing dollies, and multiple first load dividing dollies are set in orbit and before being located at below arm support component
Portion region；
In the case where small weight lifts operating condition, each first load dividing dolly includes that equalizer bar and two set along track extending direction
The trolley set, equalizer bar are overlapped on above two trolleys；Under overweight lifting operating condition, each first load dividing dolly extension increases flat
Balance beam and trolley, increased trolley are located at original trolley along the outside of track extending direction, and at least partly increased equalizer bar is taken
It is connected to the top of increased trolley and original equalizer bar.
Further, under overweight lifting operating condition, one trolley of every increase just increase accordingly an equalizer bar, increased flat
Balance beam is overlapped on the lower section for increasing trolley and beneath level-one equalizer bar.
It further, include the first equalizer bar and two the in the case where small weight lifts operating condition, in each first load dividing dolly
One trolley, the first equalizer bar are overlapped on above two the first trolleys；Under overweight lifting operating condition, each first load dividing dolly extension
Increase the second equalizer bar and the second trolley, the second trolley is located at the first trolley along the outside of track extending direction, the second equalizer bar
It is overlapped on above the second trolley and the first equalizer bar.
Further, increased equalizer bar includes main supporting part and abutting part interconnected, and main supporting part is overlapped on bottom
On the equalizer bar in portion, abutting part is tapered from the one end connecting with main supporting part to free end cross-sectional area, and relative to main supporting part
It tilts down, until the free end of abutting part is contacted with the top surface for increasing trolley.
Further, under overweight lifting operating condition, it is even number that each first load dividing dolly, which extends increased trolley, is increased
Equalizer bar include higher level's equalizer bar and junior's equalizer bar, junior's equalizer bar is identical as original balance beam structure and by increased
Vehicle overlaps two-by-two, and higher level's equalizer bar is overlapped on each junior's equalizer bar.
Further, track is circular orbit, and the first load dividing dolly and the second load dividing dolly are in inner ring raceway and outer ring rail
It is arranged side by side on road, inner ring raceway is identical with the load dividing dolly structure of corresponding position in outer ring raceway.
Further, chassis further includes multiple second load dividing dollies, and multiple second load dividing dollies set in orbit and are located at
Background Region below arm support component.
Further, under overweight lifting operating condition, each second load dividing dolly, which also extends, increases equalizer bar and trolley, increases
Trolley be located at the outside of original trolley direction along ng a path, increased equalizer bar is overlapped on increased trolley and bottom equalizer bar
Top.
Further, chassis further includes revolving platform, and revolving platform includes:
Rear car platform is supported on multiple second load dividing dollies；
Front truck platform is supported on multiple first load dividing dollies；With
Stringer is connected between front truck platform and rear car platform；
Wherein, in the case where small weight lifts operating condition, front truck platform includes first crossbeam section and two supporting tables, first crossbeam section
Between two supporting tables, stringer is connect with first crossbeam section；Under overweight lifting operating condition, the both ends of first crossbeam section extend
Increase second cross beam section, the supporting table connection of second cross beam section and corresponding side.
Further, stringer includes multiple construction sections, and in the case where small weight lifts operating condition, each construction section forms entirety and rail
The parallel stringer of plane where road；Under overweight lifting operating condition, the construction section connecting with front truck platform is relative to flat where track
Face is obliquely installed, and the first end that construction section is connect with front truck platform is higher than the second end connecting with adjacent construction section.
Further, boom system includes that two masts and two principal arms, the bottom end of two principal arms are connected to one
In supporting table, the bottom end of two masts is connected in a supporting table.
Further, arm support component includes two principal arms, and two principal arms are correspondingly connected in the position of top and bottom；Its
In, in the case where small weight lifts operating condition, the position of two principal arm bottoms passes through two first connecting rod sections connected along its length
Connection；Under overweight lifting operating condition, the position extension of two principal arm bottoms increases first connecting rod section；Or
Arm support component includes two auxiliarys, and two auxiliarys are correspondingly connected in the position of top and bottom；Wherein, in small weight
It lifts under operating condition, the position of two auxiliary bottoms passes through two first connecting rod section connections connected along its length；Overweight
It lifts under operating condition, the position extension of two auxiliary bottoms increases first connecting rod section.
Further, boom system includes two principal arms, two masts and two drawing pieces, and the bottom end of mast is on chassis
The bottom end of neighbouring corresponding principal arm is hinged, and top is connect by drawing piece with the top of corresponding principal arm, the top and bottom of two masts
It is correspondingly connected between portion；
Wherein, small weight lift operating condition under, positioned at the position of mast foot set there are two second connection rod segment；Overweight
It lifts under operating condition, extension increases by the second connection rod segment between two second connection rod segments of mast foot.
Further, boom system includes two principal arms and two masts, and two principal arms and/or two masts are hung overweight
It fills under operating condition from top to the trapezoidal structure in bottom.
Based on the above-mentioned technical proposal, the lifting equipment of one embodiment of the invention, in overweight lifting operating condition down toward few extension
Increase the equalizer bar and trolley in the first load dividing dolly, it, can be according to actually hanging to increase the support span of the first load dividing dolly
The Lifting Capacity of the demand configuration lifting equipment of weight, can reduce the waste of Lifting Capacity and super when hoist amount is smaller
Lifting Capacity is increased by structure extension when weight hoist, while the grounding pressure to ground can also be reduced, to reduce at ground
The difficulty and cost of reason.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of one embodiment of lifting equipment of the present invention；
Fig. 2 is the top view of one embodiment of lifting equipment of the present invention；
Fig. 3 A and Fig. 3 B are respectively that the revolving platform in lifting equipment of the present invention lifts operating condition and overweight lifting in small weight
Structural schematic diagram under operating condition；
Fig. 4 is the structural schematic diagram of one embodiment of revolving platform in lifting equipment of the present invention；
Fig. 5 is the setting structure schematic diagram of lifting equipment of the present invention load dividing dolly in the case where small weight lifts operating condition；
Fig. 6 is the setting structure schematic diagram of lifting equipment of the present invention load dividing dolly under overweight lifting operating condition；
Fig. 7 is the first load dividing dolly enlarged drawing in Fig. 6；
Fig. 8 is the force diagram of the first load dividing dolly in Fig. 7；
Fig. 9 A and Fig. 9 B are respectively load dividing dolly connecing under small weight lifting operating condition and overweight lifting operating condition in the present invention
Ground area schematic diagram；
Load dividing dolly is put down in the case where small weight lifts operating condition and overweight lifting operating condition in Figure 10 A and Figure 10 the B respectively present invention
The support span schematic diagram for the trolley layout that weighs；
Figure 11 is the structural schematic diagram on chassis in lifting equipment of the present invention；
Figure 12 A and 12B are respectively that the mast in lifting equipment of the present invention lifts operating condition and overweight lifting operating condition in small weight
Under structural schematic diagram；
Figure 13 A and 13B are respectively that the principal arm in lifting equipment of the present invention lifts operating condition and overweight lifting operating condition in small weight
Under structural schematic diagram；
Figure 14 is structural schematic diagram of the lifting equipment of the present invention under small weight lifting operating condition；
Figure 15 is structural schematic diagram of the lifting equipment of the present invention under overweight lifting operating condition.
Specific embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The various aspects of restriction can be combined with any other one aspect or many aspects, can not be combined unless explicitly stated otherwise.Especially,
It is considered as preferred or advantageous any feature can be considered as preferred or advantageous feature group with other one or more
It closes.
The terms descriptions merely for convenience such as " first " that occurs in the present invention, " second " have same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
In the description of the present invention, the instruction such as "upper", "lower", "top", "bottom", "front", "rear", "inner" and "outside" is used
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention, rather than
The device of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limiting the scope of the invention.The side of hoist is defined as when crane being executed lifting operation in subsequent embodiment
" preceding ", the rear of hoist are defined as " rear ".
Inventors noted that if to improve the bearing capacity of existing crane to meet the needs of overweight lifting operating condition,
The structural member of reinforcing is just needed replacing, increases counterweight quantity or adjusts race way diameter, these measures make the promotion of bearing capacity
Than relatively limited, and the raising of complete machine cost can be also brought in this way, element usage is low.
Further, the promotion of whole bearing capability can also bring the increase to ground grounding pressure, and even complete machine accounts for
Condition of compatibility with the increase of site area, bearing capacity and place to ground is more demanding, can greatly increase the place of ground
Manage difficulty and whole of processing.After all in comparison overweight lifting operating condition belongs to minority, under usually lifting operating condition at lifting equipment
In the state of lifting capacity waste, cause the use cost of equipment expensive.
In addition, the anterior-posterior balance trolley in lifting equipment is arranged using same way at present, but in practical hoisting process
In due to front hoist object effect, the first load dividing dolly bear power to be far longer than the second load dividing dolly, two balancers
The unevenness of vehicle stress causes the grounding pressure on ground under two load dividing dollies different, and the grounding pressure under the first load dividing dolly is also wanted
It is far longer than the second load dividing dolly, causes ground that must be handled by the grounding pressure under the first load dividing dolly, increases ground
Processing cost and processing difficulty.
Based on the above problem of inventor's discovery, just there is motivation to propose a kind of lifting equipment, has both been able to satisfy certain overweight hang
The bearing capacity under operating condition is filled, and can have that grounding pressure is small, element usage is high, dismounting is convenient and advantage of reasonable cost.
As shown in Fig. 1 to Figure 15, the present invention provides a kind of lifting equipments, in a schematical embodiment, including
Chassis and arm support component, arm support component are integrally provided on chassis.With reference to Fig. 1, boom system includes principal arm 5, mast 4 and drawing piece
7, principal arm 5 is the main lifting arm section in lifting equipment front end, can be using " A " type or parallel double truss arm configurations；Mast 4 and master
The angled setting of arm 5, effect are to change crane arm work range, improve lifting performance.The bottom end of mast 4 and chassis are hinged,
And bottom end is located at close to the position of 5 bottom end of principal arm, top connect except through drawing piece 7 with 5 top of principal arm, also passes through mast branch
Frame 8 or suspension pulling plate are connect with the platform counterweight 9 for being located at Background Region on chassis.For example, drawing piece 7 can be pulling plate, drawstring
Or truss.Mast 8 can provide pulling force, or support mast 4 for mast 4.In the position that drawing piece 7 is connect with mast 4
Equipped with luffing pulley blocks 6, the flexible of wirerope can be controlled, by pulley blocks to pull principal arm 5 along lower hinge by drawing piece 7
Rotation, realizes the luffing of crane.
As shown in connection with fig. 2, chassis includes track, revolving platform 1, sets and be located at arm support component lower front portion in orbit
With multiple first load dividing dollies 2 and multiple second load dividing dollies 2 ' of Background Region, each first load dividing dolly 2 and second is flat
Weighing apparatus trolley 2 ' is set in orbit.Track can be in circular ring shape, and load dividing dolly bottom is car wheel structure, and pressure wheel is in circular orbit
On, complete machine is rotated on circular orbit by the drive motor on HYDRAULIC CONTROL SYSTEM load dividing dolly, driving load dividing dolly wheel,
Realize the revolution of crane.Revolving platform 1 is overlapped on each first load dividing dolly 2 and the second load dividing dolly 2 ', entire cantilever crane
Component may be provided on revolving platform 1, and specifically, principal arm 5, mast 4, platform counterweight 9, hoisting system 3 and dynamical system 10 are equal
It may be provided on revolving platform 1.Wherein, dynamical system 10 provides power for lifting equipment, and platform counterweight 9 is for keeping vehicle to stablize
Property.
With reference to Fig. 5, in the case where small weight lifts operating condition, each first load dividing dolly 2 is including equalizer bar and two along track
The trolley of extending direction setting, equalizer bar are overlapped on above two trolleys, and the second load dividing dolly 2 ' can be used and the first balancer
The identical structure of vehicle 2, revolving platform 1 are overlapped on each equalizer bar.Revolving platform 1 is flat for connecting first on lifting equipment
Weigh trolley 2 and the second load dividing dolly 2 ', can be used to install boom system, power device 10, platform counterweight 9 and control cabinl pulpit rack.
With reference to Fig. 6, under overweight lifting operating condition, extension increases equalizer bar and trolley in each first load dividing dolly 2, increases
The trolley added is located at the outside of original trolley direction along ng a path, and at least partly increased equalizer bar is overlapped in increased trolley and original
There is the top of equalizer bar, revolving platform 1 is overlapped on the equalizer bar of top.Wherein, at least partly increased equalizer bar can be straight
It connects and is overlapped on increased trolley, or be overlapped on increased trolley indirectly by the increased equalizer bar in part.
In practical hoisting process, due to the effect of front hoist object, the power that the first load dividing dolly 2 is born will be far longer than
Second load dividing dolly 2 ', under overweight lifting operating condition, the grounding pressure amplification on the lower ground of the first load dividing dolly 2 is bigger, by more
Trolley combination, and the structure type that multistage equalizer bar is superposed along short transverse, can increase by 2 pairs of each first load dividing dolly revolutions
Platform 1 provides the span of supporting point, effectively increases contact area, and complete machine bearing capacity can improved by varying without chassis system
While reduce to the grounding pressure on ground, to reduce the difficulty and cost of basement process.Wherein, grounding pressure refers to and ground
The vertical load born on the unit area of face contact object.
Load dividing dolly can realize walking motion on circular orbit, and realize equal power using multistage equalizer bar.More trolleys
Arrangement on the same track, can make full use of chassis, increase contact area, grounding pressure is effectively reduced, and basement process is simple,
Operation cost can be greatly decreased.
Since lifting equipment is in transition, each critical component is dismantled to transport, thus the scheme of this embodiment of the invention
Can lifting equipment assemble when, according to the demand of practical hoist configure lifting equipment Lifting Capacity, can hoist amount compared with
Hour reduces the waste of Lifting Capacity, and can increase Lifting Capacity by structure extension in overweight hoist, while can also reduce
To the grounding pressure on ground, to reduce the difficulty and cost of basement process.Such lifting equipment can realize a tractor serves several purposes, only need
On the basis of existing ring rail crane facility, the bearing capacity of complete machine can be promoted by increasing a few components.
In further embodiments, under overweight lifting operating condition, each second load dividing dolly 2 ', which also extends, increases equalizer bar
And trolley, increased trolley are located at the outside of original trolley direction along ng a path, increased equalizer bar be overlapped on increased trolley and
The top of bottom equalizer bar.If hoist amount is larger, which can increase the first load dividing dolly 2 and the second balancer simultaneously
Vehicle 2 ' provides the span of supporting point to revolving platform 1, to further increase contact area, reduces the grounding pressure to ground,
And then the difficulty and cost of basement process are reduced, crane can be made to obtain bigger hoist ability.
The mode of two kinds of increase trolleys and equalizer bar is given below.
In the first embodiment, under overweight lifting operating condition, it is even that each first load dividing dolly 2, which extends increased trolley,
Several, increased equalizer bar includes higher level's equalizer bar and junior's equalizer bar, junior's equalizer bar it is identical as original balance beam structure and
Increased trolley is overlapped two-by-two, two trolleys of every increase, it is necessary to increase junior's equalizer bar, higher level's equalizer bar is overlapped on
On each junior's equalizer bar.The embodiment can reduce the height after 2 expansion structure of the first load dividing dolly, reduce to original lifting
The influence of machine structure, and stablize symmetrical configuration, and original balance beam structure part can also be made full use of.
For example, according to grounding pressure require increase trolley quantity be two, using Liang Ge junior equalizer bar respectively across
Two trolleys, finally again by higher level's equalizer bar across on the Liang Ge junior equalizer bar of bottom, guaranteeing that four trolley stress are equal
It is even.
In second of embodiment, under overweight lifting operating condition, one trolley of every increase, it is necessary to increase accordingly one and put down
Balance beam, increased equalizer bar are overlapped on the lower section for increasing trolley and beneath level-one equalizer bar, one end of equalizer bar increased in this way
It is directly overlapped on increased trolley.This structure type can neatly increase trolley quantity, so as to according to hang weight requirements by
Gradually increase chassis supports intensity.
In a specific embodiment, as shown in figure 5, in the case where small weight lifts operating condition, in each first load dividing dolly 2
Including the first equalizer bar 22 and two the first trolleys 21, the first equalizer bar 22 is overlapped on two the first trolleys, 21 top.Two
One trolley, 21 structure size is identical, and trapezium structure can be used in the first trolley 21, and bottom is equipped with the directive wheel moved along track, the
One equalizer bar 22 may be designed as inverted trapezoidal structure, and both ends are overlapped on two the first trolleys, 21 top respectively, and centre is fitted to two
Space between first trolley 21, to improve the stability of strutting system and overall stiffness of load dividing dolly.
As shown in Figure 6 and Figure 7, under overweight lifting operating condition, each first load dividing dolly 2 is keeping small weight lifting operating condition
On the basis of flowering structure configuration, extension increases by the second equalizer bar 24 and the second trolley 23, the second trolley 23 are located at the first trolley 21
Along the outside of track extending direction, the second equalizer bar 24 is overlapped on 22 top of the second trolley 23 and the first equalizer bar.
The form that the embodiment uses two-stage balanced beam to be superposed in short transverse, structure is simple, can be by single first
Load dividing dolly 2 is displaced outwardly the supporting point of revolving platform 1, increases support of two the first load dividing dollies 2 to revolving platform 1
Spacing effectively increases contact area, the grounding pressure to ground is reduced, to reduce the difficulty and cost of basement process.
In one embodiment, still referring to FIG. 7, increased equalizer bar includes main supporting part 241 interconnected and abuts
Portion 242, main supporting part 241 are overlapped on the equalizer bar of bottom, and abutting part 242 is from the one end connecting with main supporting part 241 to certainly
It is tapered by end cross-sectional area, and tilted down relative to main supporting part 241, until the free end of abutting part 242 and increase balancer
The top surface of vehicle contacts.The embodiment can make the first load dividing dolly 2 form stable support knot in the case where saving weight
Structure.
For example, increased equalizer bar is the second equalizer bar 24, main supporting part 241 is overlapped on the first equalizer bar 22, is abutted
The one end in portion 242 is connect with main supporting part 241, and the other end is contacted with the top surface of the second trolley 23.The top of second equalizer bar 24
Equipped with installation interface, it can be achieved that the connection of revolving platform 1 and the first load dividing dolly 2.
The stress condition of the embodiment can refer to Fig. 8, and two the first trolleys 21 provide support jointly for the first equalizer bar 22
Power, the first equalizer bar 22 and the second trolley 23 provide support force jointly for the second equalizer bar 24, under overweight lifting operating condition, revolution
Platform 1, which is located on the second equalizer bar 24 of the first load dividing dolly 2, to be thereby realized through three trolley shared hoist amounts,
Not only increase support span, moreover it is possible to reduce the stress when work of each trolley, and guarantee three trolley uniform forces, thus may be used
Reduce structural member size, auxiliary equipment specification and the shipping parameters of load dividing dolly.
As shown in fig. 6, the front end of revolving platform 1 is across on two the first load dividing dollies 2, rear end is across at two second
On load dividing dolly 2 ', it is ensured that the two groups of load dividing dolly uniform forces in left and right, the operation is stable.
As illustrated in figs. 10 a and 10b, in the case where small weight lifts operating condition, with reference to Figure 10 A, between two the first load dividing dollies 2
Support span is L1；Under overweight lifting operating condition, with reference to Figure 10 B, by increasing trolley and equalizer bar, two the first load dividing dollies
Support span between 2 is L2, L2 > L1.
As illustrated in figures 9a and 9b, it in the case where small weight lifts operating condition, with reference to Fig. 9 A, is enclosed between two the first load dividing dollies 2
The bearing area S1 of formation；Under overweight lifting operating condition, with reference to Fig. 9 B, by increasing trolley and equalizer bar, two first balances
Bearing area S2, the S2 > S1 being enclosed between trolley 2.
In some embodiments, chassis includes subgrade case 30, and subgrade case 30 is laid on ground, is annular slab structure,
Area is big, can reduce lifting equipment to the pressure on ground.Track is circular orbit, is laid on subgrade case, and load dividing dolly can
Along its rotation.
Preferably, as shown in fig. 6, the first load dividing dolly 2 and the second load dividing dolly 2 ' are in inner ring raceway 31 and outer ring raceway
It is arranged side by side on 32, inner ring raceway 31 is identical with the load dividing dolly structure of corresponding position in outer ring raceway 32.It is in-orbit in Fig. 6
The front area in road is equipped at intervals with two group of first load dividing dolly 2, and every group of first load dividing dolly 2 is included in inner ring raceway 31 and outer
Two the first load dividing dollies 2 being correspondingly arranged on loop orbit 32, be equipped in each first load dividing dolly 2 increased equalizer bar and
Trolley, including three trolleys and two equalizer bars.Two group of second load dividing dolly 2 ' is equipped at intervals in the Background Region of track, every group
Second load dividing dolly 2 ' is included in two the second load dividing dollies 2 ' being correspondingly arranged in inner ring raceway 31 and outer ring raceway 32, respectively
Only have the first equalizer bar 22 to be overlapped on two the first trolleys 21 of bottom in a second load dividing dolly 2 '.
In this embodiment, the first load dividing dolly 2 and the second load dividing dolly 2 ' act on inside-and-outside ring track, the first He
Second load dividing dolly quantity takes differentiation to arrange according to stress, reduces the stress of single load dividing dolly, makes first and second flat
Each trolley uniform force in weighing apparatus trolley, while increasing the contact area with ground, reduce grounding pressure.
In some embodiments, such as Fig. 3 B and Fig. 4, chassis further includes revolving platform 1, and revolving platform 1 includes front truck platform
12, rear car platform 11 and two stringers 13.Rear car platform 11 is supported on multiple second load dividing dollies 2 ', and front truck platform 12 supports
In on multiple first load dividing dollies 2, two 13 spacing side by side of stringer are connected between front truck platform 12 and rear car platform 11.
Wherein, in the case where small weight lifts operating condition, front truck platform 12 includes first crossbeam section 121 and two supporting tables 122, the
One beam segments 121 are located between two supporting tables 122, in order to improve support stiffness and stability, between two supporting tables 122
Along the length direction interval of revolving platform 1, two first crossbeam sections 121, the first crossbeam section of two stringers 13 and inside are set
121 connections.Supporting table 122 is equipped with installation interface 123, for installing arm support component.Specifically, installation interface 123 can be
Otic placode, for the lifting equipment of double principal arms and double masts, the bottom end of two principal arms 5 is respectively hinged at the ear of a supporting table 122
On plate, the bottom end of two masts 4 is also connected on the otic placode of a supporting table 122.
Under overweight lifting operating condition, the both ends extension of first crossbeam section 121 increases second cross beam section 124, second cross beam section
124 connect with the supporting table 122 of corresponding side.Equivalent to increase the distance between two supporting tables 122, to increase front truck
The support span of platform 12, to match with the increase of 2 supporting point span of the first load dividing dolly of bottom.Special-shaped revolving platform 1
Front truck platform 12 be mounted on the top of the second equalizer bar 24, it is ensured that three trolleys in same first load dividing dolly 2 by
Power is uniform.
Preferably, the length of second cross beam section 124 is less than first crossbeam section 121, can be increased in this way with lesser step-length
Shape ability is hung, neatly to increase the rigidity of structure of component according to practical hoist demand, in order to avoid cause the waste of Lifting Capacity.
The embodiment can configure the Lifting Capacity of lifting equipment according to the demand of practical hoist, reduce when hoist amount is smaller
1 front truck platform 12 of revolving platform to the support span of boom system, and with the first load dividing dolly 2 for not increasing trolley and equalizer bar
Match, the waste of Lifting Capacity can be reduced.Lifting Capacity can be increased by structure extension in overweight hoist again, increase revolution
1 front truck platform 12 of platform to the support span of boom system, so as to 2 phase of the first load dividing dolly that increases trolley and equalizer bar
Match, while meeting Lifting Capacity, moreover it is possible to reduce to the grounding pressure on ground, thus reduce basement process difficulty and at
This.
In some embodiments, such as Fig. 3 B and Fig. 4, stringer 13 includes multiple construction sections, in the case where small weight lifts operating condition, by
Identical with 2 ' structure of the second load dividing dolly in the first load dividing dolly 2, overhead height is also identical, therefore each construction section is along itself
Length direction is sequentially connected, and forms the whole stringer 13 parallel with plane where track.It is flat with front truck under overweight lifting operating condition
The construction section that platform 12 connects is obliquely installed relative to plane where track, and the first end that construction section is connect with front truck platform 12 is high
In the second end being connect with adjacent construction section.Since under overweight lifting operating condition, the first load dividing dolly 2 is due in the height direction
It is superposed using multiple equalizer bars, total height is greater than the second load dividing dolly 2 ', therefore the installation that will be connect with front truck platform 12
Section, which is obliquely installed, to increase reserved space for first load dividing dolly 2, so as to make that front truck platform 12 is overlapped in that height increases the
On one load dividing dolly 2.Stringer 13 uses multistage separate structure, is suitable for the demand of different variations.
On the basis of the structure, it is arranged as shown in Fig. 2, hoisting system 3 and dynamical system 10 can overlap in two stringers
On 13, it may be provided on different construction sections.As shown in figure 4, rear car platform 11 include two crossbeams 111 disposed in parallel, two
It is connected between crossbeam 111 by two longitudinal beams 112, an installation interface 113 is respectively set on two longitudinal beams 112, put down
Platform counterweight 9 may be provided on rear car platform 11.Specifically, the installation interface 113 on rear car platform 11 can be otic placode, mast
8 one end is articulated with 4 top of mast, and the other end is articulated at the otic placode of rear car platform 11.
Specifically, in the case where small weight lifts operating condition, as shown in Figure 3A, between two supporting tables 122 of front truck platform 12,
Two first crossbeam sections 121 (D1) are equipped at intervals with along the length direction of revolving platform 1, the distance between two supporting tables 122 are
L1.Under overweight lifting operating condition, as shown in Figure 3B, between two supporting tables 122 of front truck platform 12, along revolving platform 1
Length direction is equipped at intervals with two groups of beam segments, and every group of beam segments include sequentially connected second cross beam section 124 (D2), the first cross
Beam section 121 (D1) and second cross beam section 124 (D2), the distance between two supporting tables 122 are L2.Due to increasing second cross beam
Section 124, L2 > L1 is equivalent to and increases the support span of front truck platform 12 under overweight lifting operating condition by structure extension.
Further, in the case where small weight lifts operating condition, as shown in Figure 3A, stringer 13 is from rear car platform 11 to front truck platform
12 include sequentially connected construction section C1, C2, C3 and C4 along its length, 13 place plane of stringer and parallel track.Overweight
It lifts under operating condition, as shown in Figure 3B, stringer 13 includes sequentially connected along its length from rear car platform 11 to front truck platform 12
Construction section C1, C2, C3 and C5 can be seen that construction section C5 from Fig. 4 and Figure 11 and be obliquely installed.
1 crossbeam of lifting equipment revolving platform and stringer 13 of the present invention are all made of modularized design, multistage split type structure, tool
There is the interface for upgrading to large span by small span, may be implemented by small span platform to the conversion to large span revolving platform 1.
In one embodiment, such as Figure 14 and 15, arm support component includes two principal arms 5, and two principal arms 5 are in top and bottom
Position be correspondingly connected with.Wherein, in the case where small weight lifts operating condition, such as Figure 13 A, the positions of two 5 bottoms of principal arm by two
The first connecting rod section 51 being connected on length direction connects；Under overweight lifting operating condition, such as Figure 13 B, the position of two 5 bottoms of principal arm
It sets extension and increases first connecting rod section 51.Specifically, can increase between two first connecting rod sections 51, it can also be in the first connection
Increase between rod segment 51 and principal arm 5.
Such as Figure 13 A and Figure 13 B, in the case where two 5 top widths of principal arm are certain, in the case where small weight lifts operating condition, such as
Shown in Figure 13 A, two 5 bottoms of principal arm are connected by two first connecting rod sections 51, respectively E1 and E2, between two principal arms 5
Bottom width be L1.Under overweight lifting operating condition, as shown in Figure 13 B, two 5 bottoms of principal arm pass through three first connecting rod sections
51 connections, increase E3 between E1 and E2, and the bottom width between two principal arms 5 is L2, and L2 > L1.In two kinds of operating conditions
Under, the bottom width between two principal arms 5 is all larger than top width, makes two principal arms 5 from top to the trapezoidal structure in bottom, has
Conducive to the overall stiffness for increasing principal arm 5.
Optionally, arm support component includes two auxiliarys, and auxiliary is the extension arm of principal arm 5, and two auxiliarys are in top and bottom
Position be correspondingly connected with；Wherein, in the case where small weight lifts operating condition, the position of two auxiliary bottoms passes through two phases along its length
First connecting rod section 51 even connects；Under overweight lifting operating condition, the position extension of two auxiliary bottoms increases first connecting rod
Section 51.
In one embodiment, such as Figure 14 and 15, boom system includes two principal arms, 5, two masts 4 and two drawing pieces
7, the bottom end of the bottom end of mast 4 neighbouring corresponding principal arm 5 on chassis is hinged, and top passes through the top of drawing piece 7 and corresponding principal arm 5
It connects, is correspondingly connected between the top and bottom of two masts 4.Wherein, in the case where small weight lifts operating condition, such as Figure 12 A, it is located at mast
The position of 4 bottom of bar is connected by two the second connected in the longitudinal direction connection rod segments 41；Under overweight lifting operating condition, such as
Figure 12 B, extension increases by the second connection rod segment 41 between two second connection rod segments 41 of 4 bottom of mast.It specifically, can be
Increase between two second connection rod segments 41, can also increase between the second connection rod segment 41 and principal arm 4.
Such as Figure 12 A and Figure 12 B, in the case where two 4 top widths of mast are certain, in the case where small weight lifts operating condition, such as
Shown in Figure 12 A, two 4 bottoms of mast are connected by two second connection rod segments 41, respectively D1 and D2, between two masts 4
Bottom width be L1, form rectangular configuration between two masts 4.Under overweight lifting operating condition, as shown in Figure 12 B, two masts
4 bottom of bar increases D3, the bottom between two masts 4 is wide by three second connection rod segment 41 connections between D1 and D2
Spending is L2, and L2 > L1.Under overweight lifting operating condition, the bottom width between two masts 4 is greater than top width, makes two masts
Bar 4 is conducive to the overall stiffness for increasing mast 4 from top to the trapezoidal structure in bottom.
The various embodiments described above are illustrated by taking loopful rail lifting equipment as an example, are equipped with the first balancer in chassis simultaneously
Vehicle 2 and the second load dividing dolly 2 ' correspond respectively to forward horizontal stand trolley and rear load dividing dolly on ordinary meaning, thus lifting equipment
Achievable complete cycle of getting on the bus turns round.In addition to this, improvement of the invention is also applied for half ring-rail type lifting equipment, is provided only in chassis
First load dividing dolly 2, corresponding to the forward horizontal stand trolley on ordinary meaning, lifting equipment get on the bus can only using the central point of counterweight as
The centre of gyration, along the partially circumferentially revolution of track.
In an embodiment of the present invention, vehicle is converted based on the same annular ring rail, and mapping mode is simple, cost
It is low；It only needs to carry out each component into assembling of remapping in conversion process, component general rate is high；More trolley arrangements are using same set of flat
Weigh trolley, and element usage is high, while can mitigate the design difficulty of load dividing dolly, reduces the structure size of load dividing dolly, drops
Stress when low work reduces auxiliary equipment specification and shipping parameters, realizes the purpose of " the small big bearing capacity of structure ".It below will be into
Row theory analysis:
Complete machine grounding pressure: P=F/S；
Wherein: F is the vertical force of vehicle；S is practical contact area, i.e. load dividing dolly contact area；
By Fig. 9 A and 9B it is found that more trolley contact area S2 > S1, thus it is identical in identical lifting amount and vehicle vertical force
In the case of P2 < P1, the grounding pressure to ground can be greatly lowered in the configuration of more trolleys.
By taking 8 chord member boom systems as an example, cross sectional moment of inertia are as follows:
Ix=8Idg+2A2Adg+2B2Adg
Iy=8Idg+2H2Adg
Wherein: Ix is that (in the plane of revolution, cantilever crane is as the fixed free mechanics mould in one end in one end for plane of rotation the moment of inertia
Type is analyzed)；Iy be luffing plane the moment of inertia (in the luffing plane, cantilever crane as the mechanical model of both ends freely-supported come into
Row analysis)；Idg is that the moment of inertia B of single main chord is single arm support cross-sectional width size；H is single arm support depth of section size；A
It is both arms frame center away from (i.e. span L in Figure 12 A, 12B, 13A and Figure 13 B).
It is found that under equal conditions, boom system main chord is more, the cross sectional moment of inertia of boom system is bigger, cantilever crane system
The bearing capacity of system is bigger；The center of double boom systems is away from bigger, and the cross sectional moment of inertia of the surface of revolution significantly increases, boom system
Bearing capacity also increase substantially.By Figure 12 A, 12B, 13A and 13B it is found that L2 > L1, therefore Ix21 > Ix1, special-shaped principal arm and
The bearing capacity of special-shaped mast is also remarkably enhanced.
This programme 8 chord member of both arms combined type for example, not limited to this.This programme is for Optimum cost, the first He
Second load dividing dolly is arranged using differentiation, not limited to this, can also be arranged in the same manner.Schematic diagram in this programme only table
Show principle, it is not limited to this.
Lifting equipment of the invention at least has one of following advantage:
(1) under the premise of by existing circular orbit, not increasing chassis cost and complete machine occupied area, by will be different
Shape load dividing dolly, special-shaped revolving platform, special-shaped principal arm and special-shaped mast use modularization, unitized construction form, can satisfy
The demand of different variations.
(2) on the basis of existing component, the carrying energy of super large heavy-duty hoisting equipment can be promoted by increasing a few components
Power can effectively reduce vehicle in the case where varying without chassis system to the grounding pressure on ground, both meet special operation condition
Lower super-big and overweight part lifts the demand to complete machine bearing capacity, and processing difficulty and the place of lifting place ground can be greatly lowered
Manage cost.The function that a tractor serves several purposes can be achieved, has widened use scope, and conventional type and extension type use same track, portion
Part utilization rate is high, at low cost, and does not increase complete machine occupied area；Conventional type and extension type use same set of balancer
Vehicle, element usage is high, while can mitigate the design difficulty of load dividing dolly, reduces the structure size of load dividing dolly, realizes " small
The purpose of the big bearing capacity of structure ".
(3) according to different hoist amounts, the Lifting Capacity of lifting equipment can be configured according to demand, can make full use of complete machine
Lifting Capacity.The operation grade that can satisfy " trolley " is provided simultaneously with the structure interface and method for promoting bearing capacity, can be with
The promotion for realizing bearing capacity, meets the lifting of individual super-big and overweight parts.
The differentiation of (4) first and second load dividing dollies arranges, makes the uniform force, rationally of every group of trolley.
(5) super large heavy-duty hoisting equipment uses same set of load dividing dolly, same set of chassis, reduces the knot on load dividing dolly and chassis
Structure size reduces stress when work, reduces auxiliary equipment specification and shipping parameters, realizes the mesh of " the small big bearing capacity of structure "
, complete machine realizes that the cost of bearing capacity enhanced feature is low.
(6) different super large heavy-duty hoisting equipments can be assembled according to conditions such as practical lifting operating condition, places, reduces vehicle
Condition requirement to external environment (such as lifting place), improves vehicle utilization rate, engineering adaptability is wider.
(7) complete machine form variation multiplicity, facilitates user to construct using various ways, and component general rate is high, at low cost.
(8) complete machine variation is simple and reliable, user-friendly, and can guarantee be returned under any operating condition
Turn.
A kind of lifting equipment provided by the present invention is described in detail above.Specific implementation used herein
Principle and implementation of the present invention are described for example, and it is of the invention that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
Protection scope in.
Claims (14)
1. a kind of lifting equipment, which is characterized in that including chassis and arm support component, the chassis includes track and multiple first flat
It weighs trolley (2), multiple first load dividing dollies (2) set the front area on the track and being located at below arm support component；
In the case where small weight lifts operating condition, each first load dividing dolly (2) is including equalizer bar and two along track extension side
To the trolley of setting, the equalizer bar is overlapped on above two trolleys；Under overweight lifting operating condition, each described first is flat
Weighing apparatus trolley (2) extension increases equalizer bar and trolley, the increased trolley are located at original trolley along the track extending direction
Outside, at least partly increased equalizer bar are overlapped in the top of increased trolley and original equalizer bar.
2. lifting equipment according to claim 1, which is characterized in that every to increase described in one under overweight lifting operating condition
Trolley just increase accordingly an equalizer bar, and increased equalizer bar is overlapped on the lower section for increasing trolley and beneath level-one equalizer bar.
3. lifting equipment according to claim 2, which is characterized in that in the case where small weight lifts operating condition, each described first
It include the first equalizer bar (22) and two the first trolleys (21) in load dividing dolly (2), first equalizer bar (22) is overlapped on two
Above a first trolley (21)；Under overweight lifting operating condition, it is flat that each first load dividing dolly (2) extension increases by second
Balance beam (24) and the second trolley (23), second trolley (23) are located at first trolley (21) along the track extending direction
Outside, second equalizer bar (24) is overlapped on above second trolley (23) and the first equalizer bar (22).
4. lifting equipment according to claim 2, which is characterized in that the increased equalizer bar includes master interconnected
Supporting part (241) and abutting part (242), the main supporting part (241) are overlapped on the equalizer bar of bottom, the abutting part
(242) tapered from the one end being connect with main supporting part (241) to free end cross-sectional area, and relative to the main supporting part (241)
It tilts down, until the free end of the abutting part (242) is contacted with the top surface for increasing trolley.
5. lifting equipment according to claim 1, which is characterized in that under overweight lifting operating condition, each described first is flat
The increased trolley of trolley (2) extension that weighs is even number, and increased equalizer bar includes higher level's equalizer bar and junior's equalizer bar, under described
Grade equalizer bar is identical as original balance beam structure and overlap increased trolley two-by-two, higher level's equalizer bar be overlapped on it is each under
On grade equalizer bar.
6. lifting equipment according to claim 1, which is characterized in that the track is circular orbit, first balance
Trolley (2) and the second load dividing dolly (2 ') are arranged side by side in inner ring raceway (31) and outer ring raceway (32), the inner ring raceway
(31) identical with the load dividing dolly structure of corresponding position on outer ring raceway (32).
7. lifting equipment according to claim 1, which is characterized in that the chassis further includes multiple second load dividing dollies
(2 '), multiple second load dividing dollies (2 ') set the Background Region on the track and being located at below arm support component.
8. lifting equipment according to claim 7, which is characterized in that under overweight lifting operating condition, each described second is flat
Weighing, trolley (2 ') also extension increases equalizer bar and trolley, and the increased trolley is located at original trolley along the outer of the orbital direction
Side, the increased equalizer bar are overlapped on the top of increased trolley and bottom equalizer bar.
9. lifting equipment according to claim 7, which is characterized in that the chassis further includes revolving platform (1), and described time
Turning platform (1) includes:
Front truck platform (12) is supported on multiple first load dividing dollies (2)；
Rear car platform (11) is supported on multiple second load dividing dollies (2 ')；With
Stringer (13) is connected between the front truck platform (12) and rear car platform (11)；
Wherein, in the case where small weight lifts operating condition, the front truck platform (12) includes first crossbeam section (121) and two supporting tables
(122), the first crossbeam section (121) is located between two supporting tables (122), the stringer (13) and first cross
Beam section (121) connection；Under overweight lifting operating condition, the both ends extension of the first crossbeam section (121) increases second cross beam section
(124), the second cross beam section (124) connect with the supporting table (122) of corresponding side.
10. lifting equipment according to claim 9, which is characterized in that the stringer (13) includes multiple construction sections, small
Weight lifts under operating condition, and each construction section forms the entirety stringer (13) parallel with plane where track；In overweight lifting
Under operating condition, the construction section connecting with the front truck platform (12) is obliquely installed relative to plane where track, and the peace
The first end that dress section is connect with the front truck platform (12) is higher than the second end connecting with adjacent construction section.
11. lifting equipment according to claim 9, which is characterized in that the boom system includes two masts (4) and two
A principal arm (5), the bottom end of two principal arms (5) are connected on the supporting table (122), two masts
(4) bottom end is connected on the supporting table (122).
12. lifting equipment according to claim 1, which is characterized in that the arm support component include two principal arms (5), two
A principal arm (5) is correspondingly connected in the position of top and bottom；Wherein, in the case where small weight lifts operating condition, two principal arms
(5) position of bottom passes through two first connecting rod section (51) connections connected along its length；Under overweight lifting operating condition, two
The position extension of a principal arm (5) bottom increases first connecting rod section (51)；Or
The arm support component includes two auxiliarys, and two auxiliarys are correspondingly connected in the position of top and bottom；Wherein, small
Weight lifts under operating condition, and the position of two auxiliary bottoms passes through two first connecting rod sections (51) connected along its length
Connection；Under overweight lifting operating condition, the position extension of two auxiliary bottoms increases first connecting rod section (51).
13. lifting equipment according to claim 1, which is characterized in that the boom system includes two principal arms (5), two
A mast (4) and two drawing pieces (7), the bottom end of the mast (4) bottom end of neighbouring corresponding principal arm (5) on the chassis are cut with scissors
It connects, top is connect by the drawing piece (7) with the top of the corresponding principal arm (5), the top and bottom of two masts (4)
It is correspondingly connected between portion；
Wherein, small weight lift operating condition under, be located at the mast (4) bottom position set there are two it is described second connection rod segment
(41)；Under overweight lifting operating condition, it is located between two second connections rod segment (41) of the mast (4) bottom and extends increasing
Add the second connection rod segment (41).
14. lifting equipment according to claim 1, which is characterized in that the boom system includes two principal arms (5) and two
A mast (4), two principal arms (5) and/or two masts (4) are under overweight lifting operating condition from top to bottom in ladder
Shape structure.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029799.1A CN108946515A (en) | 2018-09-05 | 2018-09-05 | A kind of lifting equipment |
| GB2102004.5A GB2590831B (en) | 2018-09-05 | 2019-03-01 | Hoisting apparatus |
| RU2021108671A RU2761006C1 (en) | 2018-09-05 | 2019-03-01 | Lifting device |
| PCT/CN2019/076667 WO2020048102A1 (en) | 2018-09-05 | 2019-03-01 | Hoisting equipment |
| ZA2021/02235A ZA202102235B (en) | 2018-09-05 | 2021-04-01 | Hoisting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029799.1A CN108946515A (en) | 2018-09-05 | 2018-09-05 | A kind of lifting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108946515A true CN108946515A (en) | 2018-12-07 |
Family
ID=64475195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811029799.1A Pending CN108946515A (en) | 2018-09-05 | 2018-09-05 | A kind of lifting equipment |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN108946515A (en) |
| GB (1) | GB2590831B (en) |
| RU (1) | RU2761006C1 (en) |
| WO (1) | WO2020048102A1 (en) |
| ZA (1) | ZA202102235B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020048102A1 (en) * | 2018-09-05 | 2020-03-12 | 徐工集团工程机械股份有限公司 | Hoisting equipment |
| CN111847285A (en) * | 2020-08-13 | 2020-10-30 | 合肥工业大学 | Stable adjusting mechanism and adjusting method suitable for flexible cable parallel hoisting robot |
| CN112960574A (en) * | 2021-04-28 | 2021-06-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane counterweight bracket and crane |
| CN113023564A (en) * | 2021-03-29 | 2021-06-25 | 中核能源科技有限公司 | Annular crane |
| CN113184697A (en) * | 2021-04-28 | 2021-07-30 | 徐工集团工程机械股份有限公司建设机械分公司 | Track walking assembly and circular track crane |
| CN113460594A (en) * | 2020-03-30 | 2021-10-01 | 南京宝地梅山产城发展有限公司 | Material machine with rotary auxiliary support |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550500B (en) * | 2024-01-10 | 2024-03-19 | 天津同丰信息技术有限公司 | Cantilever crane work safety device for cargo transportation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999048793A2 (en) * | 1998-03-26 | 1999-09-30 | Atecs Mannesmann Aktiengesellschaft | Ring lift crane |
| CN204625000U (en) * | 2015-01-07 | 2015-09-09 | 河南省矿山起重机有限公司 | A kind of trolley device and use the transfer crane of this trolley device |
| CN108328487A (en) * | 2018-04-11 | 2018-07-27 | 徐工集团工程机械股份有限公司 | A kind of two-orbit super large heavy-duty hoisting equipment with deformation function |
| CN108455467A (en) * | 2018-04-11 | 2018-08-28 | 徐工集团工程机械股份有限公司 | A kind of multi-track super large heavy-duty hoisting equipment with deformation function |
| CN208883351U (en) * | 2018-09-05 | 2019-05-21 | 徐工集团工程机械股份有限公司 | A kind of lifting equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394911A (en) * | 1980-04-08 | 1983-07-26 | Fmc Corporation | Heavy duty crane |
| SU1207988A1 (en) * | 1984-04-11 | 1986-01-30 | Донецкий Филиал Института "Автомэнергостройпроект" | Crane running gear |
| CN202609838U (en) * | 2012-05-07 | 2012-12-19 | 徐工集团工程机械股份有限公司 | Combined trolley and crawler crane |
| CN108083140B (en) * | 2017-09-18 | 2020-05-08 | 太原重型机械集团工程技术研发有限公司 | Circular-rail and straight-rail dual-purpose crane |
| CN108328483A (en) * | 2018-03-29 | 2018-07-27 | 徐工集团工程机械股份有限公司 | A kind of super large heavy-duty hoisting equipment with door frame |
| CN108946515A (en) * | 2018-09-05 | 2018-12-07 | 徐工集团工程机械股份有限公司 | A kind of lifting equipment |
-
2018
- 2018-09-05 CN CN201811029799.1A patent/CN108946515A/en active Pending
-
2019
- 2019-03-01 GB GB2102004.5A patent/GB2590831B/en active Active
- 2019-03-01 RU RU2021108671A patent/RU2761006C1/en active
- 2019-03-01 WO PCT/CN2019/076667 patent/WO2020048102A1/en active Application Filing
-
2021
- 2021-04-01 ZA ZA2021/02235A patent/ZA202102235B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999048793A2 (en) * | 1998-03-26 | 1999-09-30 | Atecs Mannesmann Aktiengesellschaft | Ring lift crane |
| CN204625000U (en) * | 2015-01-07 | 2015-09-09 | 河南省矿山起重机有限公司 | A kind of trolley device and use the transfer crane of this trolley device |
| CN108328487A (en) * | 2018-04-11 | 2018-07-27 | 徐工集团工程机械股份有限公司 | A kind of two-orbit super large heavy-duty hoisting equipment with deformation function |
| CN108455467A (en) * | 2018-04-11 | 2018-08-28 | 徐工集团工程机械股份有限公司 | A kind of multi-track super large heavy-duty hoisting equipment with deformation function |
| CN208883351U (en) * | 2018-09-05 | 2019-05-21 | 徐工集团工程机械股份有限公司 | A kind of lifting equipment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020048102A1 (en) * | 2018-09-05 | 2020-03-12 | 徐工集团工程机械股份有限公司 | Hoisting equipment |
| GB2590831A (en) * | 2018-09-05 | 2021-07-07 | Xuzhou Construction Machinery Group Co Ltd | Hoisting equipment |
| GB2590831B (en) * | 2018-09-05 | 2022-06-29 | Xuzhou Construction Machinery Group Co Ltd | Hoisting apparatus |
| CN113460594A (en) * | 2020-03-30 | 2021-10-01 | 南京宝地梅山产城发展有限公司 | Material machine with rotary auxiliary support |
| CN111847285A (en) * | 2020-08-13 | 2020-10-30 | 合肥工业大学 | Stable adjusting mechanism and adjusting method suitable for flexible cable parallel hoisting robot |
| CN113023564A (en) * | 2021-03-29 | 2021-06-25 | 中核能源科技有限公司 | Annular crane |
| CN112960574A (en) * | 2021-04-28 | 2021-06-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane counterweight bracket and crane |
| CN113184697A (en) * | 2021-04-28 | 2021-07-30 | 徐工集团工程机械股份有限公司建设机械分公司 | Track walking assembly and circular track crane |
| CN112960574B (en) * | 2021-04-28 | 2023-10-24 | 徐工集团工程机械股份有限公司建设机械分公司 | Bracket of crane counterweight and crane |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020048102A1 (en) | 2020-03-12 |
| RU2761006C1 (en) | 2021-12-02 |
| GB2590831A (en) | 2021-07-07 |
| GB202102004D0 (en) | 2021-03-31 |
| GB2590831B (en) | 2022-06-29 |
| ZA202102235B (en) | 2022-10-26 |
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