CN205527444U - Device and hoisting equipment have been surpassed - Google Patents
Device and hoisting equipment have been surpassed Download PDFInfo
- Publication number
- CN205527444U CN205527444U CN201620119178.2U CN201620119178U CN205527444U CN 205527444 U CN205527444 U CN 205527444U CN 201620119178 U CN201620119178 U CN 201620119178U CN 205527444 U CN205527444 U CN 205527444U
- Authority
- CN
- China
- Prior art keywords
- setting
- jib
- lifting device
- principal arm
- super
- 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.)
- Withdrawn - After Issue
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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
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
-
- 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
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
Abstract
The utility model relates to a hoisting equipment technical field, in particular to device and hoisting equipment have been surpassed. The utility model provides a device has been surpassed, surpassed the cantilever crane including two, two first ends that have surpassed the cantilever crane are used for being connected with hoisting equipment's jack -up main arm, but every surpassed the cantilever crane around each self -corresponding pivot axis for the ground setting of jack -up main arm pivot, wherein, in the corresponding one side that the cantilever crane belonged to that has surpassed, one side of keeping away from in the left and right sides of jack -up main arm branch of pivot axis is for one side downward sloping near branch in the left and right sides of jack -up main arm. Like this two surpassed the cantilever crane around the pivot axis for jack -up main arm pivoted in -process, can realize that two have surpassed the expansion of cantilever crane or have drawn close for the expansion control that has surpassed the device is convenient more, quick and accurate, can effectively improve the stability of expanding the location.
Description
Technical field
This utility model relates to technical field of crane equipment, particularly to a kind of super lifting device and rise
Heavy equipment.
Background technology
Owing to constantly building and developing oil, wind-powered electricity generation and iron and steel on a large scale both at home and abroad at present
Deng Larger Engineering Projects, and build the specification of equipment of these projects and weight is also constantly increasing,
The performances such as lifting weight, lifting amplitude and the lifting height of the crane gears such as crane are just carried by this
Go out the highest requirement.In order to meet the modern mechanical demand to crane gear performance, fill
The jib performance of super-tonnage crane gear is waved in distribution, the most generally on the basis of original jib
Increase super lifting device.
Super lifting device is to improve crane gear jib in plane of rotation and luffing plane
Bearing capacity thus a kind of device of improving lifting performance and arranging, it can improve crane gear
Elevating capacity, increase lifting amplitude, and lifting stability can be improved, the quickest
And realize exactly the installation of super lifting device, location and transition be strengthen crane gear market competing
Strive an important indicator of power, be also the key element paid close attention to of client.
Fig. 1 shows the structural representation of existing super lifting device.As it is shown in figure 1, it is existing super
Lifting device includes two setting-ups for being connected to the lifting principal arm (not shown) left and right sides
Jib 1 ', the end of each setting-up jib 1 ' is articulated with lifting by setting-up jib pin joint 5 '
On principal arm, the top of each setting-up jib 1 ' is provided with setting-up elevator 2 ', and setting-up elevator 2 ' is used for
The setting-up steel wire rope being connected between setting-up jib 1 ' top and lifting principal arm top is received
Put, and setting-up elevator 2 ' is by the tensioning hydro-cylinder (not shown) being located in setting-up elevator
Realize the pretension of setting-up steel wire rope, to reduce the moment of flexure of lifting principal arm, improve lifting principal arm
Stress, improves the lifting performance of lifting principal arm；Near super between two setting-up jibs 1 '
The end playing jib 1 ' is provided with two setting-ups expansion oil cylinders 4 ', for controlling two setting-up jibs
The development distance of 1 '；It is additionally provided with setting-up amplitude oil cylinder between each setting-up jib 1 ' and lifting principal arm
3 ', setting-up amplitude oil cylinder 3 ' is articulated with on lifting principal arm by setting-up amplitude oil cylinder pin joint 6 ',
For controlling the luffing of setting-up jib 1 '.
Installation and the work process of existing super lifting device are as follows: connect setting-up jib pin joint respectively
Bearing pin between 5 ' and setting-up amplitude oil cylinder pin joint 6 ' and setting-up principal arm；By controlling setting-up
Amplitude oil cylinder 3 ' and setting-up launch oil cylinder 4 ' action, it is achieved the expansion of super lifting device and folding and unfolding；
The pretension of setting-up steel wire rope is realized by controlling tensioning hydro-cylinder action.
Through research, inventor finds that existing super lifting device has the disadvantages that
(1) existing super lifting device, setting-up jib 1 ' location inconvenience, setting-up jib 1 '
Launch and luffing control process is complex, and less stable.
(2) existing super lifting device, setting-up elevator 2 ' is arranged on setting-up jib 1 ' end, and
Configuration setting-up amplitude oil cylinder 3 ' and setting-up launch oil cylinder 4 ' etc., cause the weight of whole super lifting device
Amount is relatively big, is likely to result in axle load overload during transition.
(3) existing super lifting device, when assembling, need to connect setting-up jib 1 ' respectively, surpass
Play the connection hinge at amplitude oil cylinder 3 ' and lifting principal arm, waste time and energy.
Utility model content
One to be solved in the utility model technical problem is that: the expansion of existing super lifting device controls
Process is complex, it has not been convenient to, and less stable.
In order to solve above-mentioned technical problem, this utility model first aspect provides a kind of for lifting
The super lifting device of equipment, this super lifting device includes two setting-up jibs, the of two setting-up jibs
One end is for being connected with the lifting principal arm of crane gear, and each setting-up jib is around each self-corresponding
Pivot axis is pivotally arranged relative to lifting principal arm, wherein, in corresponding setting-up jib institute
Side, the side of the left and right split away from lifting principal arm of pivot axis is relative to close
The one of the left and right split of lifting principal arm is sloped downwardly.
Alternatively, pivot axis is parallel to the cross section vertical with the left and right split of lifting principal arm.
Alternatively, super lifting device include arranging with two setting-up jib one_to_one corresponding, connect respectively
Two the inclined-plane hinged groove being connected on lifting principal arm, and each inclined-plane hinged groove is provided with the first pin
Hole, the first end of each setting-up jib is provided with and the first pin-and-hole phase in corresponding inclined-plane hinged groove
The second pin-and-hole coordinated, in the inclined-plane hinged groove of the first end insertion correspondence of each setting-up jib also
By being pivotally connected on lifting principal arm through the inclination mounting pin of the first pin-and-hole and the second pin-and-hole, pivot
Shaft axis is to tilt to install the axis of bearing pin.
Alternatively, super lifting device also includes that setting-up elevator, setting-up elevator are arranged on crane gear
On turntable, setting-up elevator can control setting-up jib by controlling the folding and unfolding of setting-up steel wire rope
Distance between second end and lifting principal arm.
Alternatively, the rotation of setting-up elevator is capable of the pretension of setting-up steel wire rope.
Alternatively, setting-up elevator is Double-linkage elevator, and setting-up elevator can pass through Synchronization Control two
The folding and unfolding of bar setting-up steel wire rope realizes the Synchronization Control to two setting-up luffing range of cantilever supports.
Alternatively, super lifting device also includes two pulley mechanisms, and each pulley mechanism connects respectively
Between the second end and the lifting principal arm of corresponding setting-up jib, setting-up elevator Synchronization Control receive
The two setting-up steel wire ropes put are wound on two pulley mechanisms respectively.
Alternatively, each pulley mechanism includes the first assembly pulley and the second assembly pulley, the first pulley
Organizing the second end with corresponding setting-up jib to connect, the second assembly pulley is connected with lifting principal arm, the
Connected by a setting-up steel wire rope between one assembly pulley and the second assembly pulley.
Alternatively, super lifting device also includes that a setting-up launches oil cylinder, and setting-up is launched oil cylinder and connected
Between two setting-up jibs.
Alternatively, setting-up expansion oil cylinder is hinged between two setting-up jibs in ball-joint mode.
This utility model second aspect provides a kind of crane gear, including lifting principal arm, turntable and
Super lifting device, the end of lifting principal arm is connected with turntable, and super lifting device is any of the above setting-up dress
Put.
Super lifting device provided by the utility model, each setting-up jib can be around relative to lifting master
The pivotal axis that the left and right split of arm is downward-sloping, so two setting-up jibs around
During pivot axis rotates relative to lifting principal arm, the exhibition of two setting-up jibs can be realized
Open or draw close so that the expansion of super lifting device controls convenient, fast and accurately, it is possible to have
Effect improves the stability launching location.
By referring to the drawings exemplary embodiment of the present utility model being described in detail,
Further feature of the present utility model and advantage thereof will be made apparent from.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, under
The accompanying drawing used required in embodiment or description of the prior art will be briefly described by face, aobvious and
Easily insight, the accompanying drawing in describing below is only embodiments more of the present utility model, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other accompanying drawing.
Fig. 1 illustrates the structural representation of super lifting device in prior art.
Fig. 2 illustrates the super lifting device of this utility model one embodiment and the assembling knot of lifting principal arm
Structure schematic diagram.
Fig. 3 illustrates the working state schematic representation of embodiment illustrated in fig. 2.
Fig. 4 illustrates the I partial structurtes enlarged diagram of Fig. 3.
Fig. 5 illustrates the travel position schematic diagram of embodiment illustrated in fig. 2.
In figure:
1 ', setting-up jib；2 ', setting-up elevator；3 ', setting-up amplitude oil cylinder；4 ', setting-up exhibition
Open oil cylinder；5 ', setting-up jib pin joint；6 ', setting-up amplitude oil cylinder pin joint；
1, flexible principal arm；2, setting-up jib；31, inclined-plane hinged groove；32, mounting pin is tilted
Axle；4, setting-up elevator；41, setting-up steel wire rope；5, wind-powered electricity generation arm head；6, turntable；71、
First assembly pulley；72, the second assembly pulley；7, setting-up launches oil cylinder；8, setting-up arm-tie.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment
Technical scheme is clearly and completely described, it is clear that described embodiment is only this practicality
Novel a part of embodiment rather than whole embodiments.Below at least one exemplary reality
The description only actually executing example is illustrative, never as to this utility model and application thereof
Or any restriction used.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not carrying out creative work premise, broadly falls into this reality
By novel protected scope.
May not make in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Thin discussion, but in the appropriate case, described technology, method and apparatus should be considered to authorize to be said
A part for bright book.
In description of the present utility model, it is to be understood that the noun of locality as " forward and backward, upper,
Under, left and right ", indicated by " laterally, vertical, vertical, level " and " top, the end " etc.
Orientation or position relationship be normally based on orientation shown in the drawings or position relationship, merely to
It is easy to describe this utility model and simplify description, in the case of illustrating on the contrary, these sides
Position word do not indicate that and imply the device of indication or element must have specific orientation or with
Specific azimuth configuration and operation, therefore it is not intended that limit to this utility model protection domain
System；The noun of locality " inside and outside " refers to inside and outside the profile relative to each parts itself.
In description of the present utility model, it is to be understood that use " first ", " second "
Parts are limited, it is only for be easy to corresponding parts be distinguished, as not having Deng word
Stated otherwise, above-mentioned word is had not to have particular meaning, therefore it is not intended that new to this practicality
The restriction of type protection domain.
Fig. 2-5 shows the super lifting device of this utility model one embodiment and the group of lifting principal arm
Assembling structure schematic diagram.With reference to Fig. 2-5, surpassing for crane gear provided by the utility model
Lifting device, including two setting-up jibs 2, the first end of two setting-up jibs 2 and crane gear
Lifting principal arm connect, and each setting-up jib 2 around each self-corresponding pivot axis relative to
Lifting principal arm is pivotally arranged, wherein, at the side at Dui Ying setting-up jib 2 place, pivot
The side of the left and right split away from lifting principal arm of shaft axis is relative near lifting principal arm
The one of left and right split is sloped downwardly.Left and right split herein refers to through lifting principal arm
Axis and the plane that the left and right of lifting principal arm is divided equally.
Super lifting device provided by the utility model, each setting-up jib 2 can be around relative to rising
Weigh the pivotal axis that the left and right split of principal arm is downward-sloping, so at two setting-up jibs
During 2 rotate around pivot axis relative to lifting principal arm, two setting-up arms can be realized
The expansion of frame 2 or draw close so that the expansion of super lifting device controls convenient, fast and accurately,
The stability launching location can be effectively improved.
Below in conjunction with the embodiment shown in Fig. 2-5, this utility model is described further.
As shown in Figure 2-5, in this embodiment, super lifting device includes setting-up jib 2, inclined-plane
Hinged groove 31, inclination install bearing pin 32, setting-up elevator 4, pulley mechanism, setting-up expansion oil
Cylinder 7 and setting-up mast 8.Wherein:
Setting-up jib 2 is for being connected with lifting principal arm.From Fig. 2 and 3, in this embodiment
In, lifting principal arm includes that flexible principal arm 1 and wind-powered electricity generation arm head 5, the end of flexible principal arm 1 are used for
Being connected with the turntable 6 of crane gear, wind-powered electricity generation arm head 5 is then connected to the top of flexible principal arm 1,
First end of two setting-up jibs 2 is hingedly connected to the left and right sides of flexible principal arm 1.Real at this
Executing in example, setting-up jib 2 uses box or truss structure, alleviates weight further.
Inclined-plane hinged groove 31 and inclination are installed bearing pin 32 and are used for realizing setting-up jib 2 and stretching main
Arm 1 hinged.In this embodiment, two setting-up jibs 2 are by two inclined-plane hinged groove
31 and two tilt bearing pin 32 is installed and be articulated with the left and right sides of flexible principal arm 1, so that each
Setting-up jib 2 can to tilt to install the pivot axis that bearing pin 32 formed relative around corresponding
It is pivoted in lifting principal arm.As it is shown on figure 3, in working order time, two setting-up jibs 2
Y type can be launched into；And when off working state, as it is shown in figure 5, two setting-up jibs 2
Can let-down in the left and right sides of flexible principal arm 1, it is ensured that the combination of setting-up jib 2 and lifting principal arm
Structure width is within the range of permission.
Specifically, as in Figure 2-4, two inclined-plane hinged groove 31 are connected to flexible main
In the left and right sides of arm 1, and the left and right that each inclined-plane hinged groove 31 is relative to flexible principal arm 1
Facet outwards and is inclined upwardly.Each inclined-plane hinged groove 31 is provided with the first pin-and-hole, and each
First end (being the end of setting-up jib 2 in Fig. 2-4) of setting-up jib 2 is provided with right
The second pin-and-hole that the first pin-and-hole in inclined-plane hinged groove 31 answered matches, so by each super
The first end playing jib 2 inserts in corresponding inclined-plane hinged groove 31, then tilts peace with two
Dress bearing pin 32 is each passed through the first pin-and-hole and second pin-and-hole of correspondence, can realize setting-up jib
2 hinged with flexible principal arm 1, and each tilt install the central axis of bearing pin 31 formed right
The pivot axis of the setting-up jib 2 answered, setting-up jib 2 can be relative to around this pivot axis
Flexible principal arm 1 rotates.Tilt bearing pin 32 is installed and can use hydraulic draw shaft device, high
Imitate and convenient.
Owing to two inclined-plane hinged groove 31 are arranged on flexible principal arm 1 obliquely, then by tilting
The pivot axis installing bearing pin 32 formation is also to tilt relative to flexible principal arm 1, and by
Outwardly and upwardly incline relative to the left and right split of flexible principal arm 1 in each inclined-plane hinged groove 31
Tiltedly (" outward " herein refers to that the left and right split by flexible principal arm 1 is to flexible principal arm 1 left side
The direction that edge or right hand edge extend, the most following " interior " refers to by the left side of flexible principal arm 1
The direction that edge or right hand edge extend to the left and right split of flexible principal arm 1), then by two inclinations
Install bearing pin 32 formed two pivot axis relative to flexible principal arm 1 left and right split to
Outer and downward-sloping, i.e. in the side at Dui Ying setting-up jib 2 place, pivot axis away from
The side of the left and right split of lifting principal arm is relative to a left side for the close lifting principal arm of pivot axis
The one of right facet is sloped downwardly, namely the distance between two pivot axis is by the principal arm that stretches
The bottom surface of 1 is gradually reduced to end face, so when each setting-up jib 2 is around each self-corresponding pivot
When shaft axis rotates, the distance between two setting-up jibs 2 can increase therewith or reduce,
So that at setting-up jib 2 during pivot axis rotates in inclined-plane hinged groove 31
I.e. it is capable of the expansion between two setting-up jibs 2 or draws close, and then making super lifting device energy
Enough location of more quickly and accurately launching, and the stability launching location is higher.
As shown in Figure 4, in this embodiment, pivot axis is parallel with the cross section of lifting principal arm
Arrange, so can realize the expansion location of setting-up jib 2 more easily.Herein transversal
Face refers to the plane vertical with the left and right split of lifting principal arm.
Setting-up elevator 4 be capable of the folding and unfolding of setting-up steel wire rope, the pretension of setting-up steel wire rope and
The luffing of setting-up jib 2 controls.As in figure 2 it is shown, in this embodiment, setting-up elevator 4
It is arranged on the turntable 6 of crane gear, and setting-up elevator 4 is by being wound in setting-up steel thereon
Cord 41 and second end (being the top of setting-up jib 2 in fig. 2) of setting-up jib 2
Connect, so that the receipts of setting-up steel wire rope 41 can be realized by the rotation of setting-up elevator 4
Put and pretension, and make setting-up elevator 4 can by control setting-up steel wire rope 41 folding and unfolding
Control the distance between the second end of setting-up jib 2 and lifting principal arm, and then realize setting-up arm
The luffing of frame 2.So arrange and be advantageous in that: on the one hand, owing to setting-up elevator 4 no longer sets
Put the second end at setting-up jib 2, therefore can alleviate the weight of setting-up jib 2, it is to avoid turn
Axle load overload problems during Chang；On the other hand, due to by setting-up elevator 4 and setting-up steel
The cooperation of cord 41 can realize luffing control so that the luffing of super lifting device controls process more
Add simple and convenient, and, owing to setting-up amplitude oil cylinder need not be arranged again, therefore super lifting device
Structure is simpler, and weight is lighter, additionally, due to can omit setting-up luffing oil when dismounting
The dismounting step at hinge (i.e. setting-up amplitude oil cylinder pin joint 6 ' in Fig. 1) place of cylinder, because of
This can be convenient and quickly complete installation and the transhipment of super lifting device, is effectively improved installation
With transport efficacy.
In this embodiment, setting-up steel wire rope 41 is connected to be arranged on setting-up jib 2 second end
With on the pulley mechanism between lifting principal arm, setting-up elevator 4 is wound in pulley mechanism by control
On the folding and unfolding of setting-up steel wire rope 41 realize the luffing of super lifting device.
With setting-up jib 2 correspondingly, the super lifting device of this embodiment includes two pulley mechanisms,
For convenience, only illustrate as a example by the pulley mechanism of side.As in figure 2 it is shown, it is sliding
Wheel mechanism includes the first assembly pulley 71 and the second assembly pulley 72, wherein, the first assembly pulley 71
Connect with the second end of corresponding setting-up jib 2, the second assembly pulley 72 and the wind of lifting principal arm
Electric arm 5 connects, by a setting-up steel between the first assembly pulley 71 and the second assembly pulley 72
Cord 41 connects.So when setting-up elevator 4 rotates, it is possible to control setting-up steel wire rope 41
Folding and unfolding, and the folding and unfolding of setting-up steel wire rope 41 can regulate the first assembly pulley 71 and the second pulley
Distance between group 72, namely can regulate between setting-up jib 2 second end and lifting principal arm
Distance, thus realize setting-up jib 2 luffing control.Additionally, based on this setting, setting-up
Elevator 4 by the pretension rotating control setting-up steel wire rope 41 of self, and then can also realize
Pretension to lifting principal arm, and pre-locking oil cylinder need not be additionally set as needing in the prior art
Realize setting-up steel wire rope pretension, structure can not only be simplified, and enable to pretension control
Convenient reliably.
In order to be further ensured that the synchronicity that left and right sides setting-up jib 2 luffing controls, real at this
Executing in example, only arrange a setting-up elevator 4, this setting-up elevator 4 is Double-linkage elevator, and it leads to
The folding and unfolding crossing two setting-up steel wire ropes 41 of Synchronization Control realizes two setting-up jib 2 luffings
Synchronization Control.Relative to prior art needing controlled respectively by two setting-up amplitude oil cylinder
Situation, the change of two setting-up jibs 2 that this embodiment is controlled by same setting-up elevator 4
Width action can keep more preferable synchronicity such that it is able to improves the reliable operation of super lifting device
Property.Additionally, due to this embodiment can also be realized by the setting-up elevator 4 that this is Double-linkage elevator
The pretension of the left and right sides setting-up steel wire rope corresponding with left and right sides setting-up jib 2, therefore, phase
When needing to arrange two setting-up elevators pretension respectively in prior art, this embodiment is also
The synchronicity of both sides setting-up steel wire rope pretension can be improved, be possible to prevent the lifting principal arm left and right sides
Pretightning force is different, such that it is able to improve the stress of lifting principal arm further.It is additionally, since
One setting-up elevator of installation can be saved, additionally it is possible to alleviate the weight of super lifting device further, joint
About cost so that the installation of super lifting device and transition transport are more convenient.
Additionally, this embodiment carries out mould to setting-up jib 2, setting-up elevator 4 and pulley mechanism
Massing designs so that be capable of modularity dismounting in the disassembly process of super lifting device, thus
Accelerate disassembly process, improve dismounting efficiency.
As it is shown on figure 3, in this embodiment, super lifting device only includes a setting-up and launches oil cylinder
7, this setting-up is launched oil cylinder 7 and is connected between two setting-up jibs 2.So at setting-up jib
2 in time tilting to install the pivotal axis that bearing pin 32 is formed, and this setting-up launches oil cylinder 7
Can carry out therewith stretching out or retract action so that two setting-up jibs 2 can synchronous expansion or
Draw close, improve and launch the stable of location and reliability, additionally, need relative in prior art
Arranging two setting-ups and launch the situation of oil cylinders, this setting also makes the structure of super lifting device simpler
Single compact.
The regularity and stability of action is launched in order to improve setting-up jib 2 further, real at this
Executing in example, setting-up is launched oil cylinder 7 and is hinged between two setting-up jibs 2 in ball-joint mode,
So can ensure that setting-up is launched oil cylinder 7 and had good trackability so that setting-up jib 2
Folding and unfolding process more steady.
As in figure 2 it is shown, setting-up arm-tie 8 is connected to the second end of setting-up jib 2 and flexible principal arm
On 1, and the junction point of setting-up arm-tie 8 and flexible principal arm 1 is closer to the end of flexible principal arm 1,
So setting-up arm-tie 8 is positioned at the opposite side of setting-up jib 2 relative to pulley mechanism, it is possible to super
Play jib 2 to be formed and more securely support.
By analyzing above it can be seen that the super lifting device of this embodiment, based on Y type setting-up arm
The stable triangle version that frame is formed, improves on the basis of existing super lifting device,
The inclined-plane hinged groove 31 on flexible principal arm 1 and setting-up is utilized to launch the connection constraints of oil cylinder 31,
Can quickly realize super lifting device accurately launches location, controls to be wound in by setting-up elevator 4
The folding and unfolding tension of the setting-up steel wire rope 41 on pulley mechanism, it is possible to quickly realize super lifting device
Accurately luffing location, so ensure that super lifting device can put in place rapidly in folding and unfolding, simplifies and launches
And luffing controls process, and improve Position location accuracy and reliability further.And, use one
The individual Double-linkage elevator being arranged on turntable 6, it is possible to be further ensured that left and right sides setting-up jib
2 luffings control synchronicity, uses one be arranged between left and right sides setting-up jib 2 surpass
Rise and launch oil cylinder 7, it is possible to be further ensured that left and right sides setting-up jib 2 launches the synchronization controlled
Property such that it is able to improve expansion and the luffing control accuracy of super lifting device.Arrange additionally, cancel
Two setting-up elevators on setting-up jib 2, the Double-linkage being instead arranged on turntable 6 is rolled up
Raise, and omit setting-up amplitude oil cylinder and pre-locking oil cylinder, cost can not only be reduced, and can
Simplify structure, alleviate weight, it is achieved the light-weight design of super lifting device, further facilitate setting-up
The installation of device and transition.
This utility model additionally provides a kind of crane gear, and it includes lifting principal arm, turntable 6
With above super lifting device, the end of lifting principal arm is connected with turntable 6, and each of super lifting device surpasses
Play jib 2 to be pivotally arranged around each self-corresponding pivot axis relative to lifting principal arm.
The foregoing is only exemplary embodiment of the present utility model, not new in order to limit this practicality
Type, all within spirit of the present utility model and principle, any amendment of being made, equivalent,
Improve, within should be included in protection domain of the present utility model.
Claims (11)
1. a super lifting device, for crane gear, described super lifting device includes two setting-ups
Jib (2), the first end of said two setting-up jib (2) is used for and described crane gear
Lifting principal arm connects, it is characterised in that each described setting-up jib (2) is around each self-corresponding
Pivot axis is pivotally arranged relative to described lifting principal arm, and wherein, described in correspondence surpasses
Play the side at jib (2) place, in the left and right away from described lifting principal arm of described pivot axis
The side of facet is sloped downwardly relative to one of the left and right split near described lifting principal arm.
Super lifting device the most according to claim 1, it is characterised in that described pivotal axis
Line is parallel to the cross section vertical with the left and right split of described lifting principal arm.
Super lifting device the most according to claim 1 and 2, it is characterised in that described super
Lifting device include with said two setting-up jib (2) one_to_one corresponding arrange, be connected to institute
State two inclined-plane hinged groove (31) on lifting principal arm, and each described inclined-plane hinged groove (31)
Being provided with the first pin-and-hole, the first end of each described setting-up jib (2) is provided with described with corresponding
The second pin-and-hole that described first pin-and-hole in inclined-plane hinged groove (31) matches is each described super
Rise in the first end of jib (2) inserts corresponding described inclined-plane hinged groove (31) and pass through through
The inclination of described first pin-and-hole and described second pin-and-hole is installed bearing pin (32) and is connected to described lifting
On principal arm, described pivot axis is the axis that bearing pin (32) is installed in described inclination.
Super lifting device the most according to claim 1 and 2, it is characterised in that described super
Lifting device also includes that setting-up elevator (4), described setting-up elevator (4) are arranged on described rising and reset
On standby turntable (6), described setting-up elevator (4) can be by controlling setting-up steel wire rope (41)
Folding and unfolding control the distance between the second end and the described lifting principal arm of described setting-up jib (2).
Super lifting device the most according to claim 4, it is characterised in that described setting-up is rolled up
The rotation raising (4) is capable of the pretension of described setting-up steel wire rope (41).
Super lifting device the most according to claim 4, it is characterised in that described setting-up is rolled up
Raising (4) is Double-linkage elevator, and described setting-up elevator (4) can be surpassed by Synchronization Control two
The folding and unfolding of steel wire rope (41) realizes the synchronization control to said two setting-up jib (2) luffing
System.
Super lifting device the most according to claim 6, it is characterised in that described setting-up fills
Putting and also include two pulley mechanisms, each described pulley mechanism is connected to the described super of correspondence
Rise between the second end and the described lifting principal arm of jib (2), same by described setting-up elevator (4)
Step controls two setting-up steel wire ropes (41) of folding and unfolding and is wound in respectively on two described pulley mechanisms.
Super lifting device the most according to claim 7, it is characterised in that each described cunning
Wheel mechanism includes the first assembly pulley (71) and the second assembly pulley (72), described first assembly pulley
(71) connect with the second end of corresponding described setting-up jib (2), described second assembly pulley (72)
It is connected with described lifting principal arm, described first assembly pulley (71) and described second assembly pulley (72)
Between connected by described setting-up steel wire rope (41).
Super lifting device the most according to claim 1 and 2, it is characterised in that described super
Lifting device also includes that a setting-up launches oil cylinder (7), and described setting-up is launched oil cylinder (7) and connected
Between said two setting-up jib (2).
Super lifting device the most according to claim 9, it is characterised in that described setting-up exhibition
Open oil cylinder (7) to be hinged between said two setting-up jib (2) in ball-joint mode.
11. 1 kinds of crane gears, including lifting principal arm, turntable (6) and super lifting device, described
The end of lifting principal arm is connected with described turntable (6), it is characterised in that described super lifting device is
The arbitrary described super lifting device of claim 1-10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828150 | 2015-11-24 | ||
| CN2015108281506 | 2015-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205527444U true CN205527444U (en) | 2016-08-31 |
Family
ID=55875919
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610083804.1A Active CN105565191B (en) | 2015-11-24 | 2016-02-06 | Super lifting device and crane gear |
| CN201620119178.2U Withdrawn - After Issue CN205527444U (en) | 2015-11-24 | 2016-02-06 | Device and hoisting equipment have been surpassed |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610083804.1A Active CN105565191B (en) | 2015-11-24 | 2016-02-06 | Super lifting device and crane gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105565191B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565191A (en) * | 2015-11-24 | 2016-05-11 | 徐州重型机械有限公司 | Lifting device and lifting equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0334187B1 (en) * | 1988-03-23 | 1991-10-16 | Liebherr-Werk Ehingen GmbH | Mobile telescopic jib crane |
| CN101659378A (en) * | 2009-08-27 | 2010-03-03 | 三一汽车制造有限公司 | Lift and superlift device thereof |
| CN102180413B (en) * | 2011-05-20 | 2012-12-05 | 中联重科股份有限公司 | Hoisting arm support system and hoisting apparatus including same |
| CN102267670B (en) * | 2011-07-29 | 2013-03-20 | 徐州重型机械有限公司 | Connecting frame, boom system with connecting frame, and lifting appliance |
| CN102491193B (en) * | 2011-11-16 | 2013-06-12 | 中联重科股份有限公司 | Crane super-lifting device and all-terrain crane with the crane super-lifting device |
| CN102874694B (en) * | 2012-09-27 | 2015-08-12 | 三一重工股份有限公司 | Hoisting crane and super lifting device thereof |
| CN105565191B (en) * | 2015-11-24 | 2017-11-24 | 徐州重型机械有限公司 | Super lifting device and crane gear |
-
2016
- 2016-02-06 CN CN201610083804.1A patent/CN105565191B/en active Active
- 2016-02-06 CN CN201620119178.2U patent/CN205527444U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565191A (en) * | 2015-11-24 | 2016-05-11 | 徐州重型机械有限公司 | Lifting device and lifting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105565191A (en) | 2016-05-11 |
| CN105565191B (en) | 2017-11-24 |
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