CN108455467A - A kind of multi-track super large heavy-duty hoisting equipment with deformation function - Google Patents
A kind of multi-track super large heavy-duty hoisting equipment with deformation function Download PDFInfo
- Publication number
- CN108455467A CN108455467A CN201810321987.5A CN201810321987A CN108455467A CN 108455467 A CN108455467 A CN 108455467A CN 201810321987 A CN201810321987 A CN 201810321987A CN 108455467 A CN108455467 A CN 108455467A
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- Prior art keywords
- circular orbit
- super large
- track
- large heavy
- getting
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Classifications
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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
- 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
-
- 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
Abstract
The invention discloses a kind of multi-track super large heavy-duty hoisting equipments with deformation function, including sling system of getting on the bus, system of getting off, hoisting system, dynamical system and counterweight；Circular orbit is inside and outside two circle circular orbit or multi-ring annular track；One, independent two or arranged side by side more ring rail lifting equipments are assembled by sling system of getting on the bus, system of getting off, hoisting system, dynamical system and counterweight respectively, in same circle or the circular orbit upper rotary of different circles.There is the present invention more trolleys, more circular orbits, more trolleys to be respectively acting on more circular orbits, and the revolution operation of vehicle 360 degrees omnidirection may be implemented, and job area is wide；More trolleys, multi-track structure can increase the contact area on vehicle and ground, substantially reduce grounding pressure so that the processing of ground becomes simple, reduces basement process expense.
Description
Technical field
The present invention relates to a kind of super large heavy-duty hoisting equipments, belong to technical field of crane equipment.
Background technology
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.But super large shape rises and resets
Standby use is often several typical large-scale operating modes, and frequency of use is not high in real work；And super-big and overweight part lifts
When ground grounding pressure（Grounding pressure：The vertical load for referring to and being born on the unit area of ground contact object）It is larger, ground
Base processing cost is higher.Therefore, cost is reasonable, dismounts facility, and element usage is high, and grounding pressure is small, while disclosure satisfy that again
The lifting equipment of certain super large duty requirements requires higher and higher.
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.With the fast development of international energy and chemical field, the construction of super-big and overweight part part is more next
It is more.Under the premise of considering that cost and dismounting are convenient, increase substantially the elevating capacity of lifting equipment, reduce grounding pressure and
It is trend of the times to collect the higher lifting equipment of utilization rate.Traditional ring rail crane structure is illustrated as shown in Figure 1, Full Rotary
The counterweight of ring rail crane is fixed on platform, and the variation of complete machine hoisting moment is by adjusting ring rail diameter with reality
Existing, entire transfer process is extremely complex, half swinging ring rail crane counterweight is placed on the ground, and complete machine front chassis is around counterweight
Center steering, balance position can not move.The variation of such mode ring rail crane hoisting moment be by adjusting front chassis with
What the distance between counterweight was realized, entire transfer process is extremely complex.
The prior art one, ring rail crane shown in FIG. 1, circular orbit are inside and outside double rail type, and counterweight is fixed on platform,
It is irremovable, generally realized by increasing platform balance weight, reinforcing complete machine structure or adjustment adjustment race way diameter size.
Complete machine does not have deformation function, and the adjusting of elevating capacity is only capable of through reinforced structure part ability, increases counterweight quantity or adjustment
The adjusting of race way diameter, elevating capacity is limited, and is limited by the limitation of traffic condition, and structural member is also impossible to unconfined add
By force.
The prior art two：The super large heavy-duty hoisting equipment of counterweight variable width shown in Fig. 2, be by the technology of ring rail crane with
The super-starting balance weight technology of crawler crane is combined, and rising for complete machine is improved by changing counterweight quantity and the amplitude of suspended counterweight
Gravitational moment.It removes suspended counterweight and can be changed to traditional ring rail crane shown in FIG. 1.The adjusting of elevating capacity is except through scheme
One form can also be adjusted, but the adjusting of performance is subject to outside being adjusted by way of increasing suspended counterweight
The limitation of complete vehicle structure part bearing capacity.If bearing capacity when complete vehicle structure part is according to suspended counterweight matches, when whole
When vehicle works without suspended counterweight, structural member bearing capacity surplus capacity is larger, and holding for vehicle can be reduced when especially arm support is heavier
Loading capability；If bearing capacity when complete vehicle structure part is according to without with suspended counterweight matches, when vehicle band suspended counterweight work
When making, structural member bearing capacity is insufficient, and the bearing capacity of vehicle gets a promotion limited.And complete machine will ensure to hang during the work time
Extension counterweight is liftoff, and otherwise lifting equipment cannot carry out revolution operation.This requires during design and use, lifting appliance and
The weight and its work range of its work range and suspended counterweight exactly match, to keep the whole machine balancing of system.And work as
When heavy-duty machine working condition changes, such as lifting weight amplitude is changed, it is necessary to be adjusted the quantity of suspended counterweight at any time, be carried out
The increase or reduction of counterweight quantity, to ensure that suspended counterweight is liftoff, labor intensity is big, and efficiency is low.And when not hanging load, it hangs
Hanging counterweight all can be on whole pressure ground, and lifting equipment can not be turned round at this time, need all to remove suspended counterweight at this time,
Host is turned back to suitable position, and whole suspended counterweights is then moved to corresponding position again using auxiliary hoist, from
It is newly assembled, inefficiency, greatly reduces the practical performance of crane.When lifting appliance is increasing, suspended counterweight
Weight and amplitude can all increase therewith, realize the liftoff of suspended counterweight, will greatly increase the negative of mast, mast and host
Lotus, the stability to vehicle are also serious prepare for the postgraduate qualifying examination.The ground flat degree and ground loading ability of suspended counterweight are parked simultaneously
Also it to meet the requirements.
Therefore, scheme one and two whole bearing capability of scheme are promoted limited, cannot carry out phase according to actual lifting demand
The adjusting answered can not realize that the trolley in the present invention becomes the function of two trolleys；Vehicle grounding pressure is larger, to ground
Requirement for bearing capacity is higher；Vehicle utilization rate is not high.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, provide a kind of super with deformation function
Large-scale multi-track lifting equipment.On the basis of super large heavy-duty hoisting equipment original component, by increasing a few components, you can assembling
Go out two or more platform large lifting equipments, improves the utilization rate of super large heavy-duty hoisting equipment component, user is facilitated to hang difference
Fill the demand of operating mode；Complete machine element usage is high, and the general rate of component is high, at low cost；Complete machine deformation conversion is simple and reliable, convenient
Client uses；The present invention super large heavy-duty hoisting equipment, be a kind of large equipment with more circular orbits, with more trolleys,
More circular orbits, more trolleys are respectively acting on more circular orbits, and the revolution operation of vehicle 360 degrees omnidirection, operation may be implemented
Range is wide；More trolleys, multi-track structure can increase the contact area on vehicle and ground, substantially reduce grounding pressure so that ground
The processing of base becomes simple, reduces basement process expense.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of multi-track super large heavy-duty hoisting equipment with deformation function, characterized in that including sling system of getting on the bus, getting off is
System, hoisting system, dynamical system and counterweight；
Sling system of getting on the bus includes principal arm, mast, suspension pulling plate, luffing pulley blocks and pulling plate；Principal arm bottom and mast foot hinge
It is connected at the otic placode of revolving platform front end；Suspension pulling plate one end is articulated with mast top, and the other end is articulated with revolving platform rear end ear
At plate；Principal arm is connect by pulling plate, luffing pulley blocks with mast top；
The system of getting off includes load dividing dolly, revolving platform, circular orbit and subgrade case；Circular orbit is laid on subgrade case；It returns
Turn platform to be located on load dividing dolly, is driven by load dividing dolly and turned round along circular orbit；
It is characterized in that circular orbit is inside and outside two circle circular orbit or multi-ring annular track；By the sling system of getting on the bus,
System, hoisting system, dynamical system and the counterweight of getting off are assembled into one, independent two or arranged side by side more ring rail liftings respectively
Equipment；Circular rails of the load dividing dolly of any one ring rail lifting equipment in same circle or different circles in one or two independent
Road upper rotary, the load dividing dolly in more ring rail lifting equipments arranged side by side turn round on the circular orbit of same circle simultaneously.
Load dividing dolly includes forward horizontal stand trolley and rear load dividing dolly；
Forward horizontal stand trolley is located at the circular orbit upper rotary of same circle or different circles from rear load dividing dolly.
More ring rail cranes arranged side by side and when being listed in same circle circular orbit upper rotary, on these ring rail cranes
Adjacent principal arm is attached by connecting rod.
More ring rail cranes arranged side by side and when being listed in same circle circular orbit upper rotary, on these ring rail cranes
Adjacent mast is attached by connecting rod.
Forward horizontal stand trolley/rear load dividing dolly has multigroup.
Revolving platform includes front platform, rear platform and the tie-beam that front platform and rear platform link into an integrated entity.
The tie-beam use multistage separate structure, assembled by multistage, the circular orbit bridged as needed away from
From the hop count for increasing or decreasing assembling.
Hoisting system and dynamical system are arranged in the front of the tie-beam of revolving platform.
Counterweight is fixed on the rear platform of revolving platform.
Any circle circular orbit is double track.
The advantageous effect that the present invention is reached：
The present invention has broken the design concept of traditional super large heavy-duty hoisting equipment, using existing component or increases a few components, leads to
The intercombination crossed between each component can be assembled into the super large heavy-duty hoisting equipment with different elevating capacities, realize a tractor serves several purposes
Function.
（1）On the basis of existing ring rail crane structure, by increasing a few components, you can decomposition assembles two super larges
Heavy-duty hoisting equipment uses.
（2）When cart multi-track, the promotion at double of the lifting performance of vehicle, space but increases unobvious, and is grounded
It is smaller than pressing.
（3）The lifting equipment that different elevating capacities can be assembled according to conditions such as practical lifting operating mode, places, reduces whole
Vehicle is to external environment（Such as lift place）Condition requirement, improve vehicle utilization rate, engineering adaptability is wider.
（4）The variation of complete machine form is various, and user is facilitated to construct using various ways, and component general rate is high, at low cost.
（5）Complete machine variation is simple and reliable, user-friendly, and can ensure be returned under any operating mode
Turn.
The implementation of the present invention not only increases the elevating capacity of super large heavy-duty hoisting equipment, solves big module in Practical Project
The problem of installation more improves the use scope and utilization rate of super large heavy-duty hoisting equipment, and huge economic effect is brought for user
Benefit.
Description of the drawings
Fig. 1 is one ring rail crane schematic diagram of the prior art；
Fig. 2 is the circular orbit of the ring rail crane of Fig. 1；
Fig. 3 is the super large heavy-duty hoisting equipment of two counterweight variable width of the prior art；
Fig. 4 is the multi-track super large heavy-duty hoisting equipment of the present invention；
Fig. 5 is the circular orbit in Fig. 4；
Fig. 6 is that arm support converts schematic diagram；
Fig. 7 is that mast converts schematic diagram；
Fig. 8, Fig. 9 are that complete machine converts schematic diagram.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
By taking Fig. 4 and Fig. 5 as an example（Shown in Fig. 4, its principle is only indicated）, the present invention is a kind of with deformation
The multi-track super large heavy-duty hoisting equipment of function, including sling system of getting on the bus, system of getting off, revolving platform, hoisting system 10, power
System 11 and counterweight 12.
Sling system of getting on the bus includes A types principal arm 1, mast 2, suspension pulling plate 3, luffing pulley blocks 4 and pulling plate 5.A types principal arm 1
Bottom and 2 bottom of mast are hinged at 7 front end otic placode of revolving platform；Suspension pulling plate one end is articulated with mast top, other end hinge
It is connected at the otic placode of revolving platform rear end；A types principal arm is connect by pulling plate, luffing pulley blocks with mast top.Luffing pulley blocks are logical
The flexible of pulley blocks control steel wire rope is crossed, pulls A types principal arm to be rotated along lower part hinge through pulling plate, realizes luffing.
The system of getting off includes load dividing dolly 6, revolving platform 7, circular orbit 8 and subgrade case 9.It is preceding flat that load dividing dolly 6, which divides,
Weigh trolley 61 and rear load dividing dolly 62, and load dividing dolly 6 is connected to 7 bottom of revolving platform using multistage balance beam structure, upper end, under
The pressure wheel at end can walk on circular orbit 8 on circular orbit 8.Forward and backward load dividing dolly all has multigroup, makees respectively
For a plurality of circular orbit, and then increase the contact area with ground, reduces grounding pressure.
Revolving platform 7 divides for front platform 71, rear platform 72 and the tie-beam 73 that front platform and rear platform link into an integrated entity；
Tie-beam 73 use multistage separate structure, assembled by multistage, adapt to different-diameter circular orbit connection, when be connected across compared with
When on the outer ring circular orbit of major diameter, length requirement can be met by increasing the hop count of tie-beam, when smaller when being connected across
When on the inner ring circular orbit of diameter, length requirement can be met by reducing the hop count of tie-beam；Cloth successively on tie-beam 73
It is equipped with raising elevator, dynamical system 11 and luffing elevator.A types principal arm, suspension pulling plate, luffing pulley blocks, preceding pulling plate, is put down at mast
Weigh trolley, revolving platform, elevator, dynamical system（Headstock）It is independently operated, and can also make Deng two systems can be split into
It is an entirety for being used when cart.
Circular orbit 8 is inside and outside two circle track or multi-turn track, can meet the use demand of different operating modes, Ke Yizuo
The multi-track entirety used for cart for one, can also split into two systems and independently use.Inner race track 81 and outer ring rail
Road 82 is the double track for being adapted to hold balance and stability.Load dividing dolly bottom is car wheel structure, and pressure wheel is on circular orbit, complete machine
By the drive motor on HYDRAULIC CONTROL SYSTEM load dividing dolly, circular rails of the driving load dividing dolly wheel in same circle or different circles
It is rotated on road, realizes the revolute function of complete machine.
A types principal arm, mast, suspension pulling plate, luffing pulley blocks, preceding pulling plate, load dividing dolly, revolving platform, elevator, headstock
It is used alone etc. two sets of identical systems can be assembled into simultaneously；By increasing fraction of circular rails guidance tape and subgrade case, annular
Track can also be assembled into two sets of Crossed Circle rail systems simultaneously, can assemble two elevating capacities simultaneously in this way and all compare
Big ring rail crane.This two ring rail cranes are disposed in parallel on circular orbit, and will be on two ring rail cranes
The adjacent A types centre positions principal arm 1a, 1b are attached by intersecting the pull rod 1-1 of oblique pull, and both ends are connected by straight connecting rod 1-2
It connects, the adjacent centre positions mast 2a, 2b on two ring rail cranes is attached by intersecting the pull rod 2-1 of oblique pull,
Both ends are connected by straight connecting rod 2-2, make this two ring rail cranes be more easy to keep stablizing, the vehicle of multigroup forward and backward load dividing dolly
Wheel can be simultaneously in same outer ring circular orbit upper rotary, can also be simultaneously in same inner ring circular orbit upper rotary, can be with
Enclose circular orbit and outer ring circular orbit upper rotary inside simultaneously.As Fig. 6 is principal arm, Fig. 7 is mast, Fig. 8 and Fig. 9 are complete machine
Shift theory schematic diagram only represents principle, does not represent specific implementation.
Since complete vehicle structure part is equivalent to the composition of two systems, bearing capacity that is, two large cranes property
Can, floor space but increases less, and grounding pressure is smaller.When the elevating capacity for lifting operating mode needs is larger, Ke Yifen
Do not assemble two ring rail cranes, make this two ring rail cranes in same outer ring circular orbit upper rotary, or simultaneously across
Inner ring circular orbit and outer ring circular orbit can be assembled into cart and be lifted.When lifting operating mode need elevating capacity not
When being especially big, two traditional ring rail cranes can be assembled respectively, make two ring rail cranes in same inner ring annular
The utilization rate of track upper rotary, complete machine is higher.
In order to improve the use scope and utilization rate of super large heavy-duty hoisting equipment, multi-track super large heavy-duty hoisting equipment of the invention
It can be deformed according to the demand of different operating modes, different liftings.When lifting the elevating capacity that weight is heavier, needs are larger,
Using the form of cart multi-track, improve the elevating capacity of crane, bearing capacity obtain promotion at double and grounding pressure compared with
It is small；When lifting relatively light, two independent equipment can be split into and used.The transformation of big trolley only need by track into
The simple adjustment of row, the structural members such as principal arm, mast are split, and mapping mode is simple, and element usage is high.
Principal arm operating mode is only embodied in the technical program, it is equally applicable for auxiliary operating mode etc..This programme middle mast with it is flat
Using suspension pulling plate connection between platform, can also be attached using mast, mast can also decompose and be assembled into two
Set is independent to be used；Arm support in this programme is A arm framves, not limited to this, can also be parallel both arms frame etc.；In this programme
Schematic diagram only indicates principle, it is not limited to this, three trolleys, four trolleys etc. can also be split into simultaneously.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of multi-track super large heavy-duty hoisting equipment with deformation function, including sling system of getting on the bus, system of getting off, elevator system
System, dynamical system and counterweight；
Sling system of getting on the bus includes principal arm, mast, suspension pulling plate, luffing pulley blocks and pulling plate；Principal arm bottom and mast foot hinge
It is connected at the otic placode of revolving platform front end；Suspension pulling plate one end is articulated with mast top, and the other end is articulated with revolving platform rear end ear
At plate；Principal arm is connect by pulling plate, luffing pulley blocks with mast top；
The system of getting off includes load dividing dolly, revolving platform, circular orbit and subgrade case；Circular orbit is laid on subgrade case；It returns
Turn platform to be located on load dividing dolly, is driven by load dividing dolly and turned round along circular orbit；
It is characterized in that circular orbit is inside and outside two circle circular orbit or multi-ring annular track；By the sling system of getting on the bus,
System, hoisting system, dynamical system and the counterweight of getting off are assembled into one, independent two or arranged side by side more ring rail liftings respectively
Equipment；Circular rails of the load dividing dolly of any one ring rail lifting equipment in same circle or different circles in one or two independent
Road upper rotary, the load dividing dolly in more ring rail lifting equipments arranged side by side turn round on the circular orbit of same circle simultaneously.
2. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 1, characterized in that balance
Trolley includes forward horizontal stand trolley and rear load dividing dolly；
Forward horizontal stand trolley is located at the circular orbit upper rotary of same circle or different circles from rear load dividing dolly.
3. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 1, characterized in that more
Ring rail crane arranged side by side and when being listed in same circle circular orbit upper rotary, the adjacent principal arm on these ring rail cranes is logical
Connecting rod is crossed to be attached.
4. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 1, characterized in that more
Ring rail crane arranged side by side and when being listed in same circle circular orbit upper rotary, the adjacent mast on these ring rail cranes is logical
Connecting rod is crossed to be attached.
5. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 2, characterized in that preceding flat
Trolley/rear the load dividing dolly that weighs has multigroup.
6. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 1, characterized in that revolution
Platform includes front platform, rear platform and the tie-beam that front platform and rear platform link into an integrated entity.
7. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 6, characterized in that described
Tie-beam uses multistage separate structure, is assembled by multistage, the distance of the circular orbit bridged as needed increases or decreases
The hop count of assembling.
8. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 6, characterized in that elevator
System and dynamical system are arranged in the front of the tie-beam of revolving platform.
9. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 6, characterized in that counterweight
It is fixed on the rear platform of revolving platform.
10. a kind of multi-track super large heavy-duty hoisting equipment with deformation function according to claim 1, characterized in that appoint
One circle circular orbit is double track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321987.5A CN108455467A (en) | 2018-04-11 | 2018-04-11 | A kind of multi-track super large heavy-duty hoisting equipment with deformation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321987.5A CN108455467A (en) | 2018-04-11 | 2018-04-11 | A kind of multi-track super large heavy-duty hoisting equipment with deformation function |
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| Publication Number | Publication Date |
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| CN108455467A true CN108455467A (en) | 2018-08-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321987.5A Pending CN108455467A (en) | 2018-04-11 | 2018-04-11 | A kind of multi-track super large heavy-duty hoisting equipment with deformation function |
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| CN (1) | CN108455467A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115744689A (en) * | 2022-10-25 | 2023-03-07 | 中铁二十局集团南方工程有限公司 | Hoisting equipment and method for shield machine |
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| CN1899949A (en) * | 2005-05-11 | 2007-01-24 | 特雷克斯—德马格合资有限公司 | Lattice-boom crane for lifting heavy loads |
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| CN104925673A (en) * | 2015-05-21 | 2015-09-23 | 中国矿业大学 | Auxiliary slinging device and method through combination process of a plurality of cranes |
| CN105439017A (en) * | 2016-01-11 | 2016-03-30 | 徐工集团工程机械股份有限公司 | Crane |
| CN105439004A (en) * | 2016-01-11 | 2016-03-30 | 徐工集团工程机械股份有限公司 | Hoisting equipment |
| CN208182501U (en) * | 2018-04-11 | 2018-12-04 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6516961B1 (en) * | 1998-03-26 | 2003-02-11 | Atecs Mannesmann Ag | Ringlift crane |
| CN1899949A (en) * | 2005-05-11 | 2007-01-24 | 特雷克斯—德马格合资有限公司 | Lattice-boom crane for lifting heavy loads |
| CN103145052A (en) * | 2013-03-14 | 2013-06-12 | 辽宁抚挖重工机械股份有限公司 | Movable circular track type crane |
| CN104925673A (en) * | 2015-05-21 | 2015-09-23 | 中国矿业大学 | Auxiliary slinging device and method through combination process of a plurality of cranes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115744689A (en) * | 2022-10-25 | 2023-03-07 | 中铁二十局集团南方工程有限公司 | Hoisting equipment and method for shield machine |
| CN115744689B (en) * | 2022-10-25 | 2023-11-28 | 中铁二十局集团南方工程有限公司 | Hoisting equipment and method for shield tunneling machine |
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