CN107082363A - The crane span structure and crane of crane - Google Patents
The crane span structure and crane of crane Download PDFInfo
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- CN107082363A CN107082363A CN201710326421.7A CN201710326421A CN107082363A CN 107082363 A CN107082363 A CN 107082363A CN 201710326421 A CN201710326421 A CN 201710326421A CN 107082363 A CN107082363 A CN 107082363A
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- girder
- crane
- end carriage
- span structure
- crane span
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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
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The invention provides a kind of crane span structure of crane and crane, it is related to hoisting machinery technical field.The crane span structure of crane include girder and located at the two ends of girder and with two end carriages of the perpendicular setting of girder, girder is overlapped in the top of two end carriages, and, girder is connected with end carriage by articulated mounting, the girder and end carriage for solving crane present in prior art are connected by screw bolts the technical problem that installation accuracy is difficult to ensure that and installs inconvenience, by being connected between girder and end carriage using articulated manner, it is easier to ensure that the installation accuracy of girder and end carriage, substantially increase installation effectiveness, reduce manufacture and the workload installed, metal structure to crane serves certain protective effect, simultaneously, improve the security performance of crane.
Description
Technical field
The present invention relates to hoisting machinery technical field, more particularly, to the crane span structure and crane of a kind of crane.
Background technology
Hoisting machinery refers to the electromechanical equipment for being vertically moved up or down or being vertically moved up or down and moving horizontally weight, and crane is made
Equipment is carried for a kind of important material, after thousands of years of development course, the solid wood structure driven by past manpower, animal power
Nowadays crane develops into by machinery, the steel construction crane of hydraulic-driven, enjoys the general laudatory title of numerous poems, and with China
The high speed development of national economy, production-scale continuous enlargement, metallurgy, ship, electricity are built, the industry such as petrochemical industry it is unprecedented numerous
Honor, crane turns into indispensable important hoisting device in modern industry production.
The crane span structure of crane is the main forms of crane span structure type crane metal structure, and metal structure is the bone of crane
Frame, to bear and transmit the various service loads of crane burden, natural load and be the main of crane from heavy load
Part, generally, the crane span structure of crane span structure type crane mainly include girder and end carriage, and trolley is on girder, and energy edge
Trolley track on girder is moved, and end carriage is located at the two ends of girder, also, two ends of end carriage are respectively provided with greatly
Car travelling mechanism so that end carriage can be moved along cart running track, by end carriage and the bidirectional-movement of trolley, makes
Obtaining crane can be moved to realize the function of crane in the orientation of each in space.
At present, the connection of the girder and end carriage of crane span structure type crane is generally connected by screw bolts, by the end and end of girder
Beam is spliced, and is then fixedly connected using bolt, still, because the lifting capacity of crane is larger, it is necessary to the spiral shell used
Bolt number is more, the precision in prefabricated bolt hole it is difficult to ensure that, and need successively to install bolt when mounted, workload is huge
Greatly, inefficiency, installing/dismounting inconvenience, due to manually installed, the pretightning force of each bolt easily makes spiral shell it is difficult to ensure that consistent
The bearing capacity reduction of bolt, service life reduction.
The content of the invention
It is an object of the invention to provide a kind of crane span structure of crane and crane, to solve to rise present in prior art
The girder and end carriage of heavy-duty machine are connected by screw bolts the technical problem that installation accuracy is difficult to ensure that and installs inconvenience.
The crane span structure for the crane that the present invention is provided include girder and located at the two ends of the girder and with the girder phase
Vertically disposed two end carriages；
The girder is overlapped in the top of two end carriages, also, the girder passes through articulated mounting with the end carriage
It is connected.
Further, the articulated mounting include upper free bearing on the girder and on the end carriage simultaneously
The lower free bearing being connected is rotated with the upper free bearing.
Further, the articulated mounting is provided with multiple, and multiple articulated mountings are respectively arranged on the both sides of the girder.
Further, the girder and the end carriage are box girder structure；
The girder and the end carriage include top flange plate, located at two webs of the top flange plate bottom and institute
State opposite top flange plate and bottom wing listrium that be connected respectively with two webs and located at the top flange plate two
Two cover plates held and be connected respectively with two webs.
Further, the girder has the variable section structure that height is gradually reduced along the position close to the end carriage.
Further, the length of the variable section structure is less than 1/3rd of the girder span.
Further, the end carriage being connected with one end of the girder, which is provided between two, two end carriages, to be led to
Connector is crossed to be connected.
Further, the connector includes two the first connecting plates for connecting the web of two end carriages respectively
And the second connecting plate being connected respectively with the top of two first connecting plates；
First connecting plate is hinged with two end carriages respectively.
Further, it is additionally provided with and is connected respectively with two first connecting plates and described second in the middle part of the connector
The connected reinforcing plate of plate.
The crane that the present invention is provided, includes the crane span structure of the crane any one of above-mentioned technical proposal.
The crane span structure for the crane that the present invention is provided includes girder and end carriage, constitutes the metal structure skeleton of crane, uses
To bear and transmit the various service loads of crane burden, natural load and from heavy load, end carriage is arranged at the two of girder
End, therefore, end carriage is provided with two, also, end carriage is vertically arranged relative to girder, constitutes the citation form of crane span structure, girder
Connection with end carriage is connected using overlap joint, and girder is erected on two end carriages so that the end carriage that is forced through of girder is transmitted,
To make power transmission reliable, girder should be fixedly connected with end carriage, to ensure the safety of structure of crane, crane is continued surely
Fixed operation and work, girder is attached with end carriage by articulated mounting.
Articulated mounting realizes being hinged for girder and end carriage located at the junction of girder and end carriage using articulated mounting,
Girder and end carriage need to only be positioned over behind relevant position with presetting articulated mounting on end carriage, make articulated mounting by girder when mounted
It is fixedly connected, because girder and end carriage are using being articulated and connected, it is to avoid use the traditional spiral shell used between girder and end carriage
Bolt connected mode so that girder and end carriage it is quick and easy for installation, in girder with presetting articulated mounting on end carriage compared to tradition company
The default bolt hole of mode is connect, manufacturing process is reduced, manufacturing schedule is accelerated, and girder and end are easier to ensure that using being hinged
The installation accuracy of beam, bolt need not successively be installed, substantially increase installation effectiveness as bolt connection when mounted, be dropped
Low manufacture and the workload installed, and when crane needs dismounting, can be easily by girder and end using articulated mounting
Beam is disassembled, consequently facilitating maintenance and the recycling of crane.
When girder and end carriage use traditional bolt connection, due to using manually being installed, the pretightning force of each bolt
It is difficult to ensure that consistent, easily making the bearing capacity of bolt reduces, and in the junction of girder and end carriage, end carriage stress is larger so that
Junction it is bolt strained larger, easily destroy, cause bolt service life reduction so that the intensity of crane is difficult to
To guarantee, and girder with end carriage using being hinged when, because articulated mounting can only power transmission, it is impossible to moment of flexure is transmitted, in hinged place moment of flexure
It is zero so that the stress at connection between girder and carriage is preferable, and crane is operationally, and operation can be reduced using being hinged
The influence of mechanism brake band so that crane operates steadily, reduce travelling mechanism gnaws rail phenomenon, to the gold of crane
Category structure serves certain protective effect, meanwhile, improve the security performance of crane.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structure left view of the crane span structure of crane provided in an embodiment of the present invention；
Fig. 2 is the structural front view of the first embodiment of the crane span structure of crane provided in an embodiment of the present invention；
Fig. 3 is the structural front view of second of embodiment of the crane span structure of crane provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the end carriage of the crane span structure of crane provided in an embodiment of the present invention.
Icon：100- girders；200- end carriages；300- articulated mountings；400- connectors；The upper free bearings of 310-；Free bearing under 320-；
The connecting plates of 410- first；The connecting plates of 420- second；430- reinforcing plates.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., orientation or position relationship indicated by it are based on orientation shown in the drawings or position
Relation, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " peace such as occurs
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1 and embodiment 2 are described in detail below in conjunction with the accompanying drawings：
Fig. 1 is the structure left view of the crane span structure of crane provided in an embodiment of the present invention；Fig. 2 provides for the embodiment of the present invention
Crane crane span structure the first embodiment structural front view；Fig. 3 is the bridge of crane provided in an embodiment of the present invention
The structural front view of second of embodiment of frame；Fig. 4 is the knot of the end carriage of the crane span structure of crane provided in an embodiment of the present invention
Structure schematic diagram.
Embodiment 1
Please with reference to Fig. 1-4, a kind of crane span structure of crane is present embodiments provided, including girder 100 and located at master
The two ends of beam 100 and with two end carriages 200 of the perpendicular setting of girder 100, specifically：
Girder 100 is overlapped in the top of two end carriages 200, also, girder 100 passes through the phase of articulated mounting 300 with end carriage 200
Even.
The crane span structure of crane includes girder 100 and end carriage 200, the metal structure skeleton of crane is constituted, to bear
With the various service loads of transmission crane burden, natural load and from heavy load, end carriage 200 is arranged at the two of girder 100
End, therefore, end carriage 200 is provided with two, also, end carriage 200 is vertically arranged relative to girder 100, constitutes the basic of crane span structure
Form, the connection of girder 100 and end carriage 200 is connected using overlap joint, and girder 100 is erected on two end carriages 200 so that girder
100 end carriage 200 that is forced through is transmitted, and to make power transmission reliable, girder 100 should be fixedly connected with end carriage 200, to ensure
The safety of structure of heavy-duty machine, enables operation and work that crane is continual and steady, girder 100 is with end carriage 200 by being hinged dress
300 are put to be attached.
Articulated mounting 300 realizes girder 100 located at the junction of girder 100 and end carriage 200 using articulated mounting 300
With being hinged for end carriage 200, articulated mounting 300 is preset on girder 100 and end carriage 200, when mounted only need to be by girder 100 and end
Beam 200 is positioned over behind relevant position, is fixedly connected with articulated mounting 300, is hinged because girder 100 is used with end carriage 200
Connection, it is to avoid use the conventional bolt connected mode used between girder 100 and end carriage 200 so that girder 100 and end carriage
200 it is quick and easy for installation, girder 100 with end carriage 200 preset articulated mounting 300 compared with conventional coupling arrangement default spiral shell
Keyhole, reduces manufacturing process, accelerates manufacturing schedule, and the installation for being easier to ensure that girder 100 and end carriage 200 using being hinged
Precision, bolt need not successively be installed, substantially increase installation effectiveness, reduce manufacture as bolt connection when mounted
With the workload of installation, and crane need dismounting when, can be easily by girder 100 and end carriage using articulated mounting 300
200 disassemble, consequently facilitating maintenance and the recycling of crane.
When girder 100 and end carriage 200 are using traditional bolt connection, due to using manually being installed, each bolt
Pretightning force is it is difficult to ensure that consistent, and easily making the bearing capacity of bolt reduces, and in the junction of girder 100 and end carriage 200, end carriage
200 stress are larger so that junction it is bolt strained larger, easily destroy, cause bolt service life reduction so that rise
The intensity of heavy-duty machine is difficult to be guaranteed, and girder 100 and end carriage 200 be using when being hinged, due to articulated mounting 300 can only power transmission,
Moment of flexure can not be transmitted, moment of flexure is zero in hinged place so that girder 100 and the stress of the junction of end carriage 200 are preferable, and lifting
Machine operationally, can reduce the influence of travelling mechanism brake band using being hinged so that crane operates steadily, reduce
Travelling mechanism gnaws rail phenomenon, and the metal structure to crane serves certain protective effect, meanwhile, improve crane
Security performance.
Girder 100 and end carriage 200 are hinged by articulated mounting 300 to realize, in a kind of specific embodiment, are hinged
Device 300 includes the upper free bearing 310 on girder 100 and the lower free bearing 320 on end carriage 200, and upper free bearing 310
Rotate and be connected to realize being hinged for girder 100 and end carriage 200 with lower free bearing 320, specifically, upper free bearing 310 and lower free bearing 320 are answered
It is oppositely arranged, and the quantity of upper free bearing 310 and lower free bearing 320 should match, to constitute complete articulated mounting 300, upper free bearing
310 are connected with the rotation of lower free bearing 320 and can be realized using bearing pin, and the junction of upper free bearing 310 and lower free bearing 320 is provided with aperture
Identical pin shaft hole, the diameter of bearing pin is identical with the aperture of pin shaft hole, so that bearing pin can be arranged in pin shaft hole, in realization
Free bearing 310 is connected with the rotation of lower free bearing 320, so that being hinged for girder 100 and end carriage 200 is realized, it is convenient and fast connection, rising
In the design calculation process of heavy-duty machine, that is, carry out the design checking of articulated mounting 300, it is ensured that the structure of articulated mounting 300 can expire
The job requirement of sufficient crane, so that when manufacturing the girder 100 of crane with end carriage 200, can be in advance by the upper He of free bearing 310
Lower free bearing 320 is prefabricated on girder 100 and end carriage 200, when mounted, only girder 100 and end carriage 200 need to be positioned over into corresponding positions
Put, make free bearing 310 in place with lower free bearing 320, then bearing pin is arranged in pin shaft hole, carry out connection work, so that
Make the installation of girder 100 and end carriage 200 convenient and fast connection.
Because articulated mounting 300 is used to make girder 100 be connected with end carriage 200, and the connection of girder 100 and end carriage 200 must
Must be firm, the design requirement of crane is met, therefore, articulated mounting 300 should be provided with multiple, and multiple articulated mountings 300 are distinguished
Located at the both sides of girder 100, to ensure the stress balance of articulated mounting 300, girder 100 is set to be connected with end carriage 200 reliably, and to protect
Stress equalization is demonstrate,proved, the articulated mounting 300 located at the both sides of girder 100 should be symmetrical arranged, because two end carriages 200 are respectively arranged on girder
100 two ends, therefore the articulated mounting 300 of crane span structure should be located at two, and each end at least provided with four on each end carriage 200
Two articulated mountings 300 on beam 200 are symmetrical arranged relative to girder 100, are cut with scissors to improve girder 100 with the junction of end carriage 200
The structural strength of connection device 300, improves the hinge that the homonymy of girder 100 is located on the security of crane work, each end carriage 200
Connection device 300 may also set up it is multiple, meanwhile, multiple articulated mountings 300 located at the homonymy of girder 100 also can be relative to girder 100
The opposite side of girder 100 is symmetricly set in, also, to ensure to be located on the stress equalization of articulated mounting 300, each end carriage 200
Multiple articulated mountings 300 of the homonymy of girder 100 should be symmetrical arranged relative to the end carriage 200.
In a kind of specific embodiment, girder 100 and end carriage 200 are box girder structure, and box beam is crane span structure type
The conventional girder structure of crane, is simple to manufacture, and power transmission is reliable, using quite varied, and girder 100 and end carriage 200 include upper
Flange plate, two webs, bottom wing listrium and two cover plates, two webs are located at the bottom of top flange plate, and and top flange plate
Two sides along its length are connected, and bottom wing listrium is connected with two webs, is oppositely arranged with top flange plate, two cover plates point
Two sides not with top flange plate in the width direction are connected, and are connected with two webs, and girder 100 is each with end carriage 200
Connection between plate can be using being welded to connect, because the stress of end carriage 200 is smaller, to be simple to manufacture end carriage 200, end carriage 200
Rectangular beam can be used, to reduce the stress concentration that welded bands are come, the intensity of end carriage 200 is improved.
Because the metal structure of crane is to be designed to join according to size and lifting altitude value of lifting capacity etc. in design
Number carries out structure design checking computations, to ensure that the metal structure of crane meets the requirement of intensity, rigidity and stability, it is ensured that lifting
Machine can be run to realize its function, and when lifting value is larger normal table, the height value of girder 100 designed also compared with
Height, as shown in Fig. 2 the crane structure manufactured is often very heavy, therefore, in order to reduce the metal structure weight of crane
Amount so that crane lightweight, according to the loading characteristic of the structure of crane girder 100, as shown in figure 3, in girder 100 along close
The Position Design of end carriage 200 be with the variable section structure that is gradually reduced of height, so as to reduce structure material, saved into
This, the deadweight of girder 100 is reduced again so that crane it is structure lightened, due to girder 100 need carrying trolley enter
The handling of row weight, the top flange plate of girder 100 is primarily subjected to pressure, and bottom wing listrium is primarily subjected to pulling force, therefore, girder 100
Variable section structure should carry out variable cross-section downwards along bottom wing listrium, to adapt to the stressing conditions of girder 100, although use variable cross-section
Structure can reduce the deadweight of girder 100, but many factors such as being manufactured by rubber tyre gantry crane design is influenceed, variable section structure
Length should be less than 1/3rd of the span of girder 100, so that girder 100 still ensures that structure in the case where structure is relatively light
Intensity, rigidity, stable sexual satisfaction design requirement, reduce the manufacture complexity of structure.
The end carriage 200 of crane is used for support main beam 100, also, the two ends of end carriage 200 are provided with traveling mechanism of the larger traveller,
Traveling mechanism of the larger traveller can be run on the track being arranged on factory building, so that crane can move to lift by crane in space
Goods, when the lifting capacity of crane is excessive, the end carriage 200 designed can also seem heavy so that the deadweight of end carriage 200 compared with
Greatly, to reduce in the deadweight of end carriage 200, a kind of specific embodiment, the end carriage 200 being connected with one end of girder 100 is set
Have connected by connector 400 between two, two end carriages 200, due to when lifting capacity is larger, generally using two girders
100 carry trolley, and two girders 100 be arranged in parallel, trolley travelling track is equipped with each girder 100, by lifting
Dolly is positioned in trolley travelling track, so that trolley can be run on two girders 100, and with two girders 100
The connected end carriage 200 in same one end be provided with two, then single girder 100 can be made to be arranged at the end corresponding with the girder 100
On beam 200, it is connected between two end carriages 200 with connector 400, then while 200 function of end carriage is ensured, with being held using one
Beam 200 is compared, and can mitigate the deadweight of end carriage 200 significantly using connector 400.
Specifically, connector 400 include the first connecting plate 410 and the second connecting plate 420, the first connecting plate 410 respectively with
The web of two end carriages 200 of the one end of girder 100 is connected, and therefore, the first connecting plate 410 is relatively set with two, two first
The top of connecting plate 410 is connected with the second connecting plate 420, so that the intensity of connector 400 is improved, two the first connecting plates 410
It is hinged respectively with two end carriages 200 so that connector 400 is articulated and connected with two end carriages 200, and installing/dismounting is convenient, is easy to end
The modularized production of beam 200, can only power transmission due to being hinged, it is impossible to transmit moment of flexure, moment of flexure is zero in hinged place so that two end carriages
Preferably, crane operationally, can reduce the influence of travelling mechanism brake band to the stress of 200 junctions so that
Crane operates steadily, and reduce travelling mechanism gnaws rail phenomenon, and the metal structure to crane serves certain protection work
With, meanwhile, improve the security performance of crane, to make connection reliable, the middle part of connector 400 be additionally provided with respectively with two the
One connecting plate 410 and the connected reinforcing plate 430 of the second connecting plate 420, reinforcing plate 430 is parallel with the cover plate of two end carriages 200 to be set
Put, to improve the strength and stability of connector 400, it is ensured that crane being capable of normal table operation.
Embodiment 2
Present embodiments provide a kind of crane span structure of the crane in crane, including embodiment 1.Crane also includes being located at
Trolley on girder 100, located at the two ends of end carriage 200 bottom traveling mechanism of the larger traveller, for for trolley and cart
Travelling mechanism provides raising and runs electric device, the railing on girder 100 and the department being connected with girder 100 of power
Machine room, the connected mode being hinged due to the crane span structure of crane using girder 100 and end carriage 200, it is to avoid use girder 100 and end
The conventional bolt connected mode used between beam 200 so that girder 100 is quick and easy for installation with end carriage 200, in girder 100
The default bolt hole of conventional coupling arrangement, reduces manufacturing process, accelerates compared with presetting articulated mounting 300 on end carriage 200
Manufacturing schedule, and the installation accuracy for being easier to ensure that girder 100 and end carriage 200 using being hinged, when mounted need not be as bolt
Connection equally installs bolt successively, substantially increases installation effectiveness, reduces manufacture and the workload installed, and in crane
When needing dismounting, easily girder 100 can be disassembled with end carriage 200 using articulated mounting 300, consequently facilitating crane
Maintenance and recycling.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of crane span structure of crane, it is characterised in that including girder (100) and located at the two ends of the girder (100) simultaneously
With two end carriages (200) of the girder (100) perpendicular setting；
The girder (100) is overlapped in the top of two end carriages (200), also, the girder (100) and the end carriage
(200) it is connected by articulated mounting (300).
2. the crane span structure of crane according to claim 1, it is characterised in that the articulated mounting (300) includes being located at institute
State the upper free bearing (310) on girder (100) and be connected on the end carriage (200) and with upper free bearing (310) rotation
Lower free bearing (320).
3. the crane span structure of crane according to claim 2, it is characterised in that the articulated mounting (300) is more provided with multiple
The individual articulated mounting (300) is respectively arranged on the both sides of the girder (100).
4. the crane span structure of crane according to claim 1, it is characterised in that the girder (100) and the end carriage (200)
It is box girder structure；
The girder (100) and the end carriage (200) include top flange plate, two abdomens located at the top flange plate bottom
Plate, bottom wing listrium that is opposite with the top flange plate and being connected respectively with two webs and located at the top flange
The two ends of plate and two cover plates being connected respectively with two webs.
5. the crane span structure of crane according to claim 4, it is characterised in that the girder (100) is along close to the end carriage
(200) position has the variable section structure that height is gradually reduced.
6. the crane span structure of crane according to claim 5, it is characterised in that the length of the variable section structure is less than described
/ 3rd of girder (100) span.
7. the crane span structure of crane according to claim 4, it is characterised in that be connected with one end of the girder (100)
The end carriage (200) is provided between two, two end carriages (200) to be connected by connector (400).
8. the crane span structure of crane according to claim 7, it is characterised in that the connector (400) includes connecting respectively
Two the first connecting plates (410) of the web of two end carriages (200) and respectively with two first connecting plates
(410) connected the second connecting plate (420) in top；
First connecting plate (410) is hinged with two end carriages (200) respectively.
9. the crane span structure of crane according to claim 8, it is characterised in that be additionally provided with the middle part of the connector (400)
The reinforcing plate (430) being connected respectively with two first connecting plates (410) and second connecting plate (420).
10. a kind of crane, it is characterised in that include the crane span structure of crane as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710326421.7A CN107082363A (en) | 2017-05-10 | 2017-05-10 | The crane span structure and crane of crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710326421.7A CN107082363A (en) | 2017-05-10 | 2017-05-10 | The crane span structure and crane of crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052161A (en) * | 2018-09-06 | 2018-12-21 | 大连华锐重工起重机有限公司 | The quickly device and its application method of assembling horizontal flange pattern gantry |
| CN109473920A (en) * | 2018-12-18 | 2019-03-15 | 天长市福骏金属制品有限公司 | A kind of seamless overlap joint gantry of high strength easy dismounting |
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| CN109052161A (en) * | 2018-09-06 | 2018-12-21 | 大连华锐重工起重机有限公司 | The quickly device and its application method of assembling horizontal flange pattern gantry |
| CN109052161B (en) * | 2018-09-06 | 2023-07-25 | 大连华锐重工起重机有限公司 | Device for quickly assembling horizontal flange type bridge and application method thereof |
| CN109473920A (en) * | 2018-12-18 | 2019-03-15 | 天长市福骏金属制品有限公司 | A kind of seamless overlap joint gantry of high strength easy dismounting |
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