CN104150352B - A kind of portal frame and the gantry crane using the portal frame - Google Patents
A kind of portal frame and the gantry crane using the portal frame Download PDFInfo
- Publication number
- CN104150352B CN104150352B CN201410408343.1A CN201410408343A CN104150352B CN 104150352 B CN104150352 B CN 104150352B CN 201410408343 A CN201410408343 A CN 201410408343A CN 104150352 B CN104150352 B CN 104150352B
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- supporting leg
- girder
- attachment means
- connecting portion
- portal frame
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Abstract
The invention discloses the gantry crane of a kind of portal frame and the use portal frame.The side of the connecting portion of the portal frame middle girder is equipped with the attachment means being hinged with supporting leg around horizontal-extending axis, and remaining side of connecting portion is provided with the fixed structure for being used for being fixedly connected when swinging to lower section and the bracketing girder of girder under supporting leg with supporting leg.After job site is reached, girder is sling upwards, the supporting leg for being hinged on the girder left and right sides can be in the presence of deadweight relative to the girder bottom, until being swung under supporting leg behind the position of bracketing girder, the upper end of supporting leg is also just snapped on the connecting portion of girder, girder and supporting leg are now connected by fixed structure on connecting portion again, realize that the scene of portal frame is built, thus in the present invention gantry field installation process is simple, installation effectiveness and installation accuracy increase significantly.
Description
Technical field
The present invention relates to the gantry crane of a kind of portal frame and the use portal frame.
Background technology
At present, electric block gantry crane occupies great share in the crane market of various regions at home, and not
Come in a period of time, electric block gantry crane widely still has its irreplaceable with it using scope and price advantage
Property.The electric block that electric block gantry crane is mainly assembled by portal frame and thereon is constituted, and wherein portal frame is by grade beam, branch
Leg and girder saddle are constituted, when carrying out the installation of portal frame, it is necessary to which first grade beam and supporting leg are connected on the ground after, by ground
Beam is installed in the running track set on the ground, and is fixed by wind rope；Girder saddle handling is arrived with truck crane again
The top of supporting leg, and wind rope is adjusted manually so that after flange and girder saddle at the top of supporting leg are aligned, pass through the side of Site Welding
Girder saddle is fixed on the flange on supporting leg by formula.Although this installation method can ensure that girder saddle is reliably mounted at branch
On leg, but the either efficiency of field operation in whole assembling process, or girder saddle lifting, girder saddle and supporting leg
The operation such as align, all cause the problem of installation of portal frame has tedious process, operating difficulties, low span precision, Er Qie
There will be larger potential safety hazard after bulky girder lifting in installation process.
The content of the invention
It is an object of the invention to provide a kind of convenient portal frame of in-site installation, while additionally providing one kind uses the gantry
The gantry crane of frame.
In order to realize the above object the technical scheme of portal frame is as follows in the present invention：
Portal frame, including girder and two supporting legs for bracketing left and right sides below girder, the left and right sides of girder
The connecting portion being connected with supporting leg is respectively provided with, the side of connecting portion is equipped with what is be hinged with supporting leg around horizontal-extending axis
Attachment means, remaining side of connecting portion, which is provided with, to be used to be fixedly connected with supporting leg when swinging to lower section and the bracketing girder of girder under supporting leg
Fixed structure.
Attachment means on two connecting portions are in front side or rear side or the phase dorsal part of two connecting portions.
Attachment means on two connecting portions are in the phase dorsal part of two connecting portions, and the phase dorsal part of two connecting portions is the left and right of main beam
The edge of both sides.
Attachment means include axle sleeve and bearing pin fixed respectively on connecting portion and supporting leg, rotary shaft of the bearing pin around attachment means
Line direction rotates and is installed in axle sleeve.
Connecting portion is the saddle seat in the girder left and right sides, and fixed structure is the fixed upper flange of horse saddle base, branch
The lower flange matched with upper flange is installed with leg, upper and lower flange is connected by fastening bolt and forms be connected supporting leg and saddle
The releasable connection structure of seat.
The technical scheme of the gantry crane of the present invention is as follows：
Gantry crane, including portal frame and its boom hoisting of top assembling, portal frame includes left with boom hoisting edge
The girder that right direction guiding movement coordinates and the supporting leg for bracketing left and right sides below girder, the left and right sides difference of girder
Provided with the connecting portion for being connected with supporting leg, the side of connecting portion is equipped with the connection being hinged with supporting leg around horizontal-extending axis
Device, remaining side of connecting portion is provided with consolidating for being fixedly connected when being used for and swinging to lower section and the bracketing girder of girder under supporting leg with supporting leg
Determine structure.
Attachment means on two connecting portions are in front side or rear side or the phase dorsal part of two connecting portions.
Attachment means on two connecting portions are in the phase dorsal part of two connecting portions, and the phase dorsal part of two connecting portions is the left and right of main beam
The edge of both sides.
Attachment means include axle sleeve and bearing pin fixed respectively on connecting portion and supporting leg, rotary shaft of the bearing pin around attachment means
Line direction rotates and is installed in axle sleeve.
Connecting portion is the saddle seat in the girder left and right sides, and fixed structure is the fixed upper flange of horse saddle base, branch
The lower flange matched with upper flange is installed with leg, upper and lower flange is connected by fastening bolt and forms be connected supporting leg and saddle
The releasable connection structure of seat.
The side of the connecting portion of middle girder of the present invention is equipped with the attachment means being hinged with supporting leg around horizontal-extending axis,
Remaining side of connecting portion is provided with the fixed knot for being used for being fixedly connected when swinging to lower section and the bracketing girder of girder under supporting leg with supporting leg
Structure.When carrying out the assembling of portal frame, two supporting legs are just connected to the left and right sides of girder in grown place by attachment means
Connecting portion on, so carry out portal frame component transports during, girder and two supporting legs are to link together all the time
's；Reach job site after, girder is sling upwards, be hinged on the girder left and right sides supporting leg can in the presence of deadweight phase
For the girder bottom, until being swung under supporting leg behind the position of bracketing girder, the upper end of supporting leg also just snaps to the connecting portion of girder
On, girder and supporting leg are now connected by the fixed structure on connecting portion again, realize that the scene of portal frame is built, compared to existing skill
The supporting leg and girder of portal frame are that relatively independent split transhipment in place, then also needs to the side of building for aligning both in art
The field installation process at gantry is simple in formula, the present invention, installation effectiveness and installation accuracy increase significantly.
Brief description of the drawings
Fig. 1 be the present invention gantry crane embodiment in structural representation of the portal frame before building；
Fig. 2 be the present invention gantry crane embodiment in structural representation of the portal frame after building；
Fig. 3 is Fig. 2 right view.
Embodiment
The embodiment of gantry crane in the present invention：As shown in Figure 1 to Figure 3, the gantry crane is a kind of electric block
Gantry crane, is mainly made up of portal frame and electric block, and wherein portal frame is by girder 1, left branch leg 21 and the structure of right supporting leg 22
Into girder 1 is respectively arranged on the left side and the right side left saddle seat 11 and right saddle seat 12, and left saddle seat 11 and right saddle seat 12 form master
Beam 1 connects the connecting portion of left branch leg 21 and right supporting leg 22, and saddle seat 11 and saddle seat 12 are respectively arranged below with connection left branch leg
21 and the upper flange 13 of right supporting leg 22, the phase dorsal part of two upper flanges 12 is provided with the attachment means that correspondence saddle is hinged with supporting leg
14, attachment means 14 are made up of axle sleeve and bearing pin, axle sleeve and bearing pin be respectively welded at the upper flange 13 on saddle seat outside and
The outside of lower flange 23 on supporting leg, bearing pin is installed in axle sleeve around the pivot center of front and rear extension, so that left branch leg 21 and the right side
Supporting leg 22 is hinged on the outer of the upper flange 13 of saddle seat 11 and saddle seat 12 by attachment means 14 respectively.
After girder 1 is sling, the saddle seat 11 and saddle seat 12 of the both sides of girder 1 are driven on the upper flange 13 on saddle
Rise, in uphill process, left branch leg 21 and right supporting leg 22 are rotated under Gravitative Loads around attachment means 14, the lower flange 23 on supporting leg
Gradually fitted with girder saddle upper flange 13, after left branch leg 21 and right supporting leg 22 are erected completely, lower flange 23 will be aligned in
The lower section of flange 13, then by installing bolt fastener on the lower flange 23 on the upper flange 13 and supporting leg on saddle seat, just
Left branch leg 21 and right supporting leg 22 can be fixedly connected on saddle seat 11 and saddle seat 12, form left saddle seat 11, right saddle seat
12 fixed structures removable with left branch leg 21, right supporting leg 22.
Left branch leg 21 is gradually tilted to the left from the top down after erecting, right supporting leg 22 after erecting from the top down gradually to the right
Tilt, so that whole portal frame forms up-narrow and down-wide trapezoidal stable portal frame after the completion of building.
The attachment structure of gantry crane is applicable not only to the installation of small-sized electric hoist gantry crane in this implementation, together
Sample is applied to the installation of electric block semi-goliath crane, by the attachment structure, will greatly improve electric block gate-type lifting
The installation exercise efficiency and operation quality of machine.
In the above-described embodiments, attachment means are axle sleeve type structures, in other embodiments, and attachment means can also be ball
Bearing pin, universal joint bearing pin etc..
In the above-described embodiments, two attachment means offices on girder are in the phase dorsal part of two connecting portions, in other embodiment
In, the two attachment means can also be in front side or rear side of two connecting portions etc. together, and such left branch leg and right supporting leg not only may be used
Transhipment is realized with opposite swing, transhipment can also be realized with side oscillation.
In the above-described embodiments, attachment means are the hinges of axle sleeve type, in other embodiments, and attachment means can also be
Ball attachment means, Universal joint connector etc..
In the above-described embodiments, the fixed structure between supporting leg and connecting portion is flange connection, in other embodiment
In, the flange connection can also be replaced with fixed structures such as welding structure, riveted structures.
In the above-described embodiments, the connecting portion of the girder left and right sides is saddle seat, in other embodiments, the connecting portion
Two spars of the girder left and right sides of extension etc. before and after being the termination of girder or being fixed on.
The embodiment of the portal frame of the present invention：In the present embodiment in the structure and above-described embodiment of portal frame portal frame knot
Structure is identical, therefore repeats no more.
Claims (4)
1. portal frame, including girder and the left and right supporting leg for bracketing left and right sides below girder, the left and right sides point of girder
The connecting portion being connected with supporting leg She You be used for, it is characterised in that left branch leg to be gradually tilted to the left from the top down after erecting, right
Supporting leg is gradually tilted to the right from the top down after erecting；Connecting portion is the saddle seat in the girder left and right sides, the one of connecting portion
Side is equipped with the attachment means being hinged with supporting leg around horizontal-extending axis, and attachment means are used to make girder and left and right supporting leg exist
Linked together all the time in transport process, the attachment means on left and right supporting leg are in the phase dorsal part of two connecting portions, two connecting portions
Phase dorsal part is the edge of the left and right sides of main beam；Remaining side of connecting portion is provided with lower section and the bracketing for being used under supporting leg swinging to girder
The fixed structure being fixedly connected during girder with supporting leg, fixed structure is equal on the fixed upper flange of horse saddle base, left and right supporting leg
It is installed with the lower flange matched with upper flange, upper and lower flange is connected by fastening bolt and forms be connected supporting leg and saddle seat
Releasable connection structure, the left branch leg and right supporting leg are hinged on the upper of corresponding saddle seat by what attachment means swung respectively
On the outer of flange, the upper flange that the girder is lifted on the saddle of rear girder both sides seat drive saddle seat rises, and rises
Journey middle left and right supporting leg can be rotated around attachment means in the presence of deadweight, the lower flange on left and right supporting leg gradually with upper flange
Laminating, after left branch leg and right supporting leg are erected completely, lower flange will be aligned in the lower section of upper flange.
2. portal frame according to claim 1, it is characterised in that attachment means include fixing respectively on connecting portion and supporting leg
Axle sleeve and bearing pin, bearing pin around attachment means pivot center direction rotate be installed in axle sleeve.
3. gantry crane, including portal frame and its boom hoisting of top assembling, portal frame include and boom hoisting edge left and right
The girder that direction guiding movement coordinates and the supporting leg for bracketing left and right sides below girder, the left and right sides of girder is set respectively
There is the connecting portion for being connected with supporting leg, it is characterised in that left branch leg is gradually tilted to the left from the top down after erecting, right supporting leg
Gradually it is tilted to the right from the top down after erecting；Connecting portion is the saddle seat in the girder left and right sides, the side dress of connecting portion
Equipped with the attachment means being hinged with supporting leg around horizontal-extending axis, attachment means are used to make girder and left and right supporting leg in transhipment
During link together all the time, the attachment means on left and right supporting leg be in two connecting portions phase dorsal part, two connecting portions it is opposite
Side is the edge of the left and right sides of girder；Remaining side of connecting portion is provided with lower section and the bracketing girder for being used under supporting leg swinging to girder
When the fixed structure that is fixedly connected with supporting leg, fixed structure is fixed on the fixed upper flange of horse saddle base, left and right supporting leg
There is a lower flange matched with upper flange, upper and lower flange is connected by fastening bolt and forms the removable of be connected supporting leg and saddle seat
The upper flange for being hinged on corresponding saddle seat that attachment structure, the left branch leg and right supporting leg are swung by attachment means respectively
Outer on, the upper flange that the girder is lifted on the saddle of rear girder both sides seat drive saddle seat rises, in uphill process
Left and right supporting leg can be rotated around attachment means in the presence of deadweight, and the lower flange on left and right supporting leg is pasted with upper flange gradually
Close, after left branch leg and right supporting leg are erected completely, lower flange will be aligned in the lower section of upper flange.
4. gantry crane according to claim 3, it is characterised in that attachment means are included on connecting portion and supporting leg respectively
Fixed axle sleeve and bearing pin, bearing pin is rotated around the pivot center direction of attachment means and is installed in axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408343.1A CN104150352B (en) | 2014-08-19 | 2014-08-19 | A kind of portal frame and the gantry crane using the portal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408343.1A CN104150352B (en) | 2014-08-19 | 2014-08-19 | A kind of portal frame and the gantry crane using the portal frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104150352A CN104150352A (en) | 2014-11-19 |
| CN104150352B true CN104150352B (en) | 2017-11-03 |
Family
ID=51876024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410408343.1A Active CN104150352B (en) | 2014-08-19 | 2014-08-19 | A kind of portal frame and the gantry crane using the portal frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104150352B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218482B (en) * | 2016-08-30 | 2019-11-22 | 北京华力兴科技发展有限责任公司 | From the portal frame assembling structure and container/vehicle inspection equipment of walking carrier vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU992399A1 (en) * | 1981-08-07 | 1983-01-30 | Предприятие П/Я Р-6476 | Self-erecting gantry crane |
| JP3184462U (en) * | 2013-04-17 | 2013-06-27 | 保線機器整備株式会社 | Yamakoshi |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1730009A1 (en) * | 1990-03-14 | 1992-04-30 | Всесоюзное Научно-Производственное Объединение По Материально-Техническому Снабжению Агропромышленного Комплекса | Gantry crane |
| RU2038283C1 (en) * | 1992-07-30 | 1995-06-27 | Государственный конструкторско-технологический институт по механизации монтажных и специальных строительных работ | Travelling gantry self-assembling crane |
| RU2097305C1 (en) * | 1993-04-09 | 1997-11-27 | Центральное Конструкторское Бюро Тяжелого Машиностроения | Mobile reloading facility |
| RU2252910C2 (en) * | 2003-02-04 | 2005-05-27 | Государственное предприятие Специализированное конструкторско-технологическое бюро "Краностроитель" | Gantry crane |
| CN204079262U (en) * | 2014-08-19 | 2015-01-07 | 纽科伦（新乡）起重机有限公司 | Portal frame and use the transfer crane of this portal frame |
-
2014
- 2014-08-19 CN CN201410408343.1A patent/CN104150352B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU992399A1 (en) * | 1981-08-07 | 1983-01-30 | Предприятие П/Я Р-6476 | Self-erecting gantry crane |
| JP3184462U (en) * | 2013-04-17 | 2013-06-27 | 保線機器整備株式会社 | Yamakoshi |
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| Publication number | Publication date |
|---|---|
| CN104150352A (en) | 2014-11-19 |
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