CN104150352A - Portal frame and portal crane using portal frame - Google Patents
Portal frame and portal crane using portal frame Download PDFInfo
- Publication number
- CN104150352A CN104150352A CN201410408343.1A CN201410408343A CN104150352A CN 104150352 A CN104150352 A CN 104150352A CN 201410408343 A CN201410408343 A CN 201410408343A CN 104150352 A CN104150352 A CN 104150352A
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- girder
- supporting leg
- portal frame
- connecting portion
- connecting device
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- 230000013011 mating Effects 0.000 claims description 4
- 238000011900 installation process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a portal frame and a portal crane using the portal frame. A connecting device hinged to the axis, horizontally extending, of support legs is mounted at one side of a connecting part of a main beam in the portal frame; and the rest sides of the connecting part are provided with fixed structures fixedly connected with the support legs when the support legs are downwards swung below the main beam and support the main beam. In the construction site, the main beam is upwards lifted; the support legs hinged to the left and right sides of the main beam are downwards swung corresponding to the main beam under the effect of dead weight; and after the support legs are downwards swung in the position of the supporting the main beam, the upper ends of the support legs are aligned to the connecting part of the main beam, and the main beam and the support legs are connected through the fixed structures on the connecting part to realize the field construction of the portal frame, therefore, the field installation process of the portal frame is simple, and the mounting efficiency and mounting preciseness of the portal frame are prominently improved.
Description
Technical field
The present invention relates to a kind of portal frame and use the transfer crane of this portal frame.
Background technology
At present, electric block gantry crane occupies great share in the crane market of various places at home, and within following a period of time, and with it, range of use and price advantage still have its irreplaceability to electric block gantry crane widely.Electric block gantry crane is mainly made up of the electric block of portal frame and upper assembling thereof, wherein portal frame is made up of grade beam, supporting leg and girder saddle, in the time carrying out the installation of portal frame, after needing first grade beam and supporting leg to be connected on the ground, grade beam is installed on the orbit arranging on the ground, and be fixed by wind rope; Again with wheel crane by the handling of girder saddle to the top of supporting leg, and manual regulation wind rope, after the flange at supporting leg top and girder saddle are aligned, is fixed on girder saddle on the flange on supporting leg by the mode of Site Welding.Although this installation method can ensure girder saddle failure-free and be arranged on supporting leg, but no matter be the efficiency of field operation in whole fitting process, or lifting, girder saddle and the supporting leg of girder saddle the operation such as align, all make that the installation of portal frame exists that operation is loaded down with trivial details, operating difficulties, problem that span precision is low, and after heavy girder lifting, will there is larger potential safety hazard in installation process.
Summary of the invention
The object of this invention is to provide a kind of scene portal frame easy for installation, a kind of transfer crane that uses this portal frame is also provided simultaneously.
In order to realize above object, in the present invention, the technical scheme of portal frame is as follows:
Portal frame, comprise girder and two supporting legs for bracketing left and right sides below girder, the left and right sides of girder is respectively equipped with the connecting portion for being connected with supporting leg, one side of connecting portion is equipped with supporting leg around the hinged connecting device of horizontally extending axis, the fixed sturcture that all the other sides of connecting portion are provided with for the supporting leg bottom to the below of girder and are fixedly connected with supporting leg when bracketing girder.
Front side or rear side or the phase dorsal part of connecting device on two connecting portions in two connecting portions.
The phase dorsal part of connecting device on two connecting portions in two connecting portions, the edge of the left and right sides that the phase dorsal part of two connecting portions is girder.
Connecting device comprises on connecting portion and supporting leg fixing respectively axle sleeve and bearing pin, and bearing pin rotates and is installed in axle sleeve around the pivot center direction of connecting device.
Connecting portion is the saddle seat in the girder left and right sides, fixed sturcture is the upper flange that saddle seat bottom sets firmly, on supporting leg, be installed with the lower flange mating with upper flange, upper and lower flange is connected and is formed the separable joint structure of be connected supporting leg and saddle seat by binding bolt.
The technical scheme of transfer crane of the present invention is as follows:
Transfer crane, comprise the lifting appliance of portal frame and top assembling thereof, portal frame comprises the girder that coordinates along left and right directions guiding movement with lifting appliance and the supporting leg for bracketing left and right sides below girder, the left and right sides of girder is respectively equipped with the connecting portion for being connected with supporting leg, one side of connecting portion is equipped with supporting leg around the hinged connecting device of horizontally extending axis, the fixed sturcture that all the other sides of connecting portion are provided with for the supporting leg bottom to the below of girder and are fixedly connected with supporting leg when bracketing girder.
Front side or rear side or the phase dorsal part of connecting device on two connecting portions in two connecting portions.
The phase dorsal part of connecting device on two connecting portions in two connecting portions, the edge of the left and right sides that the phase dorsal part of two connecting portions is girder.
Connecting device comprises on connecting portion and supporting leg fixing respectively axle sleeve and bearing pin, and bearing pin rotates and is installed in axle sleeve around the pivot center direction of connecting device.
Connecting portion is the saddle seat in the girder left and right sides, fixed sturcture is the upper flange that saddle seat bottom sets firmly, on supporting leg, be installed with the lower flange mating with upper flange, upper and lower flange is connected and is formed the separable joint structure of be connected supporting leg and saddle seat by binding bolt.
One side of the connecting portion of middle girder of the present invention is equipped with supporting leg around the hinged connecting device of horizontally extending axis, the fixed sturcture that all the other sides of connecting portion are provided with for the supporting leg bottom to the below of girder and are fixedly connected with supporting leg when bracketing girder.In the time carrying out the assembling of portal frame, just two supporting legs are connected to by connecting device on the connecting portion of the left and right sides of girder in grown place, in the process of parts transhipment of carrying out portal frame, girder and two supporting legs link together all the time like this, arrive behind camp site, girder is upwards sling, the supporting leg that is hinged on the girder left and right sides can be with respect to the girder bottom under the effect of deadweight, until the supporting leg bottom is behind the position of bracketing girder, the upper end of supporting leg also just snaps on the connecting portion of girder, now connect girder and supporting leg by the fixed sturcture on connecting portion again, realizing the scene of portal frame builds, the supporting leg of middle portal frame and girder are that relatively independent split transhipment puts in place compared to existing technology, then also need the mode of building that both are aligned, in the present invention, the field installation process at gantry is simple, installation effectiveness and setting accuracy increase significantly.
Brief description of the drawings
Fig. 1 is the structural representation of portal frame before building in the embodiment of transfer crane of the present invention;
Fig. 2 is the structural representation of portal frame after building in the embodiment of transfer crane of the present invention;
Fig. 3 is the right elevation of Fig. 2.
Detailed description of the invention
The embodiment of transfer crane in the present invention: as shown in Figure 1 to Figure 3, this transfer crane is a kind of electric block gantry crane, mainly formed by portal frame and electric block, wherein portal frame is by girder 1, left branch leg 21 and right supporting leg 22 form, girder 1 left and right sides is respectively equipped with left saddle seat 11 and right saddle seat 12, left saddle seat 11 has formed the connecting portion that girder 1 is connected left branch leg 21 and right supporting leg 22 with right saddle seat 12, saddle seat 11 is respectively equipped with the below of saddle seat 12 upper flange 13 that is connected left branch leg 21 and right supporting leg 22, the phase dorsal part of two upper flanges 12 is provided with the connecting device 14 of corresponding saddle and the hinged use of supporting leg, connecting device 14 is made up of axle sleeve and bearing pin, axle sleeve and bearing pin are welded on respectively the outside of the lower flange 23 on outside and the supporting leg of the upper flange 13 on saddle seat, the pivot center that bearing pin extends around front and back is installed in axle sleeve, so that left branch leg 21 and right supporting leg 22 are hinged on the outer of upper flange 13 of saddle seat 11 and saddle seat 12 by connecting device 14 respectively.
After girder 1 is sling, the saddle seat 11 of girder 1 both sides and saddle seat 12 drive the upper flange 13 on saddle to rise, in uphill process, left branch leg 21 and right supporting leg 22 rotate around connecting device 14 under Gravitative Loads, lower flange 23 on supporting leg is fitted with girder saddle upper flange 13 gradually, after left branch leg 21 and right supporting leg 22 erect completely, lower flange 23 will be aligned in the below of upper flange 13, again by installing bolt fastener on the lower flange 23 on 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 and left branch leg 21, the removable fixed sturcture of right supporting leg 22.
Left branch leg 21 is tilted to the left gradually from the top down after erecting, and right supporting leg 22 is tilted to the right gradually from the top down after erecting, so that whole portal frame forms up-narrow and down-wide trapezoidal stable portal frame after having built.
In this enforcement, the connection structure of transfer crane is not only applicable to the installation of small-sized electric hoist transfer crane, be equally applicable to the installation of electric block semi-goliath crane, by this connection structure, installation exercise efficiency and the operation quality of electric block gantry crane will be improved greatly.
In the above-described embodiments, connecting device is axle sleeve type structure, and in other embodiments, connecting device can be also ball pin axle, universal-joint bearing pin etc.
In the above-described embodiments, two connecting devices on girder divide the phase dorsal part in two connecting portions, in other embodiments, these two connecting devices also can be in front side or the rear side etc. of two connecting portions together, left branch leg and right supporting leg not only can opposing swings and are realized transhipment like this, also can realize transhipment with side oscillation.
In the above-described embodiments, connecting device is the hinge of axle sleeve type, and in other embodiments, connecting device can be also ball connecting device, Universal joint connector etc.
In the above-described embodiments, the fixed sturcture between supporting leg and connecting portion is flange connection, and in other embodiments, this flange connection also can use the fixed sturctures such as welded structure, riveted structure to replace.
In the above-described embodiments, the connecting portion of the girder left and right sides is saddle seat, and in other embodiments, this connecting portion can be also the termination of girder or two spars that are fixed on the girder left and right sides of extending front and back etc.
The embodiment of portal frame of the present invention: in the present embodiment, the structure of portal frame is identical with the structure of portal frame in above-described embodiment, therefore repeats no more.
Claims (10)
1. portal frame, comprise girder and two supporting legs for bracketing left and right sides below girder, the left and right sides of girder is respectively equipped with the connecting portion for being connected with supporting leg, it is characterized in that, one side of connecting portion is equipped with supporting leg around the hinged connecting device of horizontally extending axis, the fixed sturcture that all the other sides of connecting portion are provided with for the supporting leg bottom to the below of girder and are fixedly connected with supporting leg when bracketing girder.
2. portal frame according to claim 1, is characterized in that, front side or rear side or the phase dorsal part of the connecting device on two connecting portions in two connecting portions.
3. portal frame according to claim 2, is characterized in that, the phase dorsal part of the connecting device on two connecting portions in two connecting portions, the edge of the left and right sides that the phase dorsal part of two connecting portions is girder.
4. portal frame according to claim 1, is characterized in that, connecting device comprises on connecting portion and supporting leg fixing respectively axle sleeve and bearing pin, and bearing pin rotates and is installed in axle sleeve around the pivot center direction of connecting device.
5. according to the portal frame described in any one in claim 1 to 4, it is characterized in that, connecting portion is the saddle seat in the girder left and right sides, fixed sturcture is the upper flange that saddle seat bottom sets firmly, on supporting leg, be installed with the lower flange mating with upper flange, upper and lower flange is connected and is formed the separable joint structure of be connected supporting leg and saddle seat by binding bolt.
6. transfer crane, comprise the lifting appliance of portal frame and top assembling thereof, portal frame comprises the girder that coordinates along left and right directions guiding movement with lifting appliance and the supporting leg for bracketing left and right sides below girder, the left and right sides of girder is respectively equipped with the connecting portion for being connected with supporting leg, it is characterized in that, one side of connecting portion is equipped with supporting leg around the hinged connecting device of horizontally extending axis, the fixed sturcture that all the other sides of connecting portion are provided with for the supporting leg bottom to the below of girder and are fixedly connected with supporting leg when bracketing girder.
7. transfer crane according to claim 6, is characterized in that, front side or rear side or the phase dorsal part of the connecting device on two connecting portions in two connecting portions.
8. transfer crane according to claim 7, is characterized in that, the phase dorsal part of the connecting device on two connecting portions in two connecting portions, the edge of the left and right sides that the phase dorsal part of two connecting portions is girder.
9. transfer crane according to claim 6, is characterized in that, connecting device comprises on connecting portion and supporting leg fixing respectively axle sleeve and bearing pin, and bearing pin rotates and is installed in axle sleeve around the pivot center direction of connecting device.
10. according to the transfer crane described in any one in claim 6 to 9, it is characterized in that, connecting portion is the saddle seat in the girder left and right sides, fixed sturcture is the upper flange that saddle seat bottom sets firmly, on supporting leg, be installed with the lower flange mating with upper flange, upper and lower flange is connected and is formed the separable joint structure of be connected supporting leg and saddle seat by binding bolt.
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 true CN104150352A (en) | 2014-11-19 |
| CN104150352B CN104150352B (en) | 2017-11-03 |
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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 |
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| CN (1) | CN104150352B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218482A (en) * | 2016-08-30 | 2016-12-14 | 北京华力兴科技发展有限责任公司 | Portal frame assembling structure and the container/vehicle inspection equipment of car is carried from walking |
| CN112122852A (en) * | 2020-09-24 | 2020-12-25 | 纽科伦（新乡）起重机有限公司 | Novel assembling tool and assembling method for flange of gantry crane |
Citations (7)
| 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 |
| 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 |
| JP3184462U (en) * | 2013-04-17 | 2013-06-27 | 保線機器整備株式会社 | Yamakoshi |
| 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 (7)
| 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 |
| 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 |
| JP3184462U (en) * | 2013-04-17 | 2013-06-27 | 保線機器整備株式会社 | Yamakoshi |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218482A (en) * | 2016-08-30 | 2016-12-14 | 北京华力兴科技发展有限责任公司 | Portal frame assembling structure and the container/vehicle inspection equipment of car is carried from walking |
| 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 |
| CN112122852A (en) * | 2020-09-24 | 2020-12-25 | 纽科伦（新乡）起重机有限公司 | Novel assembling tool and assembling method for flange of gantry crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104150352B (en) | 2017-11-03 |
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