CN204265249U - A kind of transfer crane and portal frame thereof - Google Patents
A kind of transfer crane and portal frame thereof Download PDFInfo
- Publication number
- CN204265249U CN204265249U CN201420756076.2U CN201420756076U CN204265249U CN 204265249 U CN204265249 U CN 204265249U CN 201420756076 U CN201420756076 U CN 201420756076U CN 204265249 U CN204265249 U CN 204265249U
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- CN
- China
- Prior art keywords
- supporting leg
- girder
- stopping surface
- grade beam
- portal frame
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- 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.)
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- 210000001364 upper extremity Anatomy 0.000 claims description 10
- 239000000463 material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The utility model relates to a kind of transfer crane and portal frame thereof.The supporting leg of described portal frame has supporting leg top and the connection bit of main beam pivot and the fixed bit that is connected with grade beam supporting leg bottom on the path that girder axis swings up and down, described each supporting leg top is equipped with the lower stopping surface for coordinating with block below girder, before and after below described girder, both sides are respectively equipped with the upper stopping surface for coordinating with corresponding supporting leg block, swing to lower stopping surface described in busy hour fixed downwards at supporting leg to coordinate with upper stopping surface block, between described supporting leg and grade beam, be provided with detouchable fixed connecting piece.The utility model solves the labor intensive material resources needing multiple stage crane simultaneously to work when portal frame in prior art is installed to cause, the technical matters that production efficiency is low.
Description
Technical field
The utility model relates to a kind of transfer crane and portal frame thereof.
Background technology
In elevator machinery, crane portal frame generally comprises girder and two groups of supporting legs for two ends, left and right below bracketing girder, often organize supporting leg and comprise the front leg strut and a rear support leg that are positioned at both sides before and after below girder respectively, gantry structure volume, size is larger, it is very inconvenient to install, traditional gantry structure is generally front, rear support leg adopts bolt to be fixedly connected on the both sides, front and back of girder lower end respectively, first front leg strut and rear support leg are erected respectively during installation, front leg strut and rear support leg are erected at least needs two cranes to work simultaneously simultaneously, with crane, girder is sling again, staff climbs up top, gantry and is fixedly connected with supporting leg bolt by girder, it is very inconvenient to operate, and need in installation process to expend huge manpower and materials, due to operating difficulties, waste time and energy, finally cause production efficiency very low.
Utility model content
The purpose of this utility model is to provide a kind of transfer crane, in order to solve the labor intensive material resources needing multiple stage crane to work when crane portal frame in prior art is installed to cause, the technical matters that production efficiency is low simultaneously.The purpose of this utility model is also to provide a kind of portal frame.
For achieving the above object, the utility model adopts following technical scheme:
A kind of transfer crane, comprise portal frame, described portal frame comprises girder and two groups of supporting legs for two ends, left and right below bracketing girder, often organize supporting leg and comprise the front leg strut and a rear support leg that are positioned at both sides before and after below girder, two groups of supporting leg bottoms are provided with for connecting the left grade beam often organizing supporting leg, right grade beam, supporting leg top and girder lower end are provided with for being hinged on by supporting leg on girder with the articulated structure making supporting leg swing up and down around girder left and right extension line, described supporting leg has supporting leg top and the connection bit of main beam pivot and the fixed bit that is connected with grade beam supporting leg bottom on the path that girder axis swings up and down, described each supporting leg top is equipped with the lower stopping surface for coordinating with block below girder, before and after below described girder, both sides are respectively equipped with the upper stopping surface for coordinating with corresponding supporting leg block, swing to lower stopping surface described in busy hour fixed downwards at supporting leg to coordinate with upper stopping surface block, detouchable fixed connecting piece is provided with between described supporting leg and grade beam.
Described girder comprises the two groups of Connection Blocks for connecting two groups of supporting legs being arranged on two ends, girder left and right, and described articulated structure is arranged on Connection Block lower end and supporting leg top.
Described Connection Block lower end is connected with upper flange, and described supporting leg top is provided with lower flange, and described upper stopping surface is upper flange lower surface, and described lower stopping surface is the upper surface of lower flange.
Detouchable fixed connecting piece between described supporting leg and grade beam is bolt.
Portal frame, comprise girder and two groups of supporting legs for two ends, left and right below bracketing girder, often organize supporting leg and comprise the front leg strut and a rear support leg that are positioned at both sides before and after below girder, two groups of supporting leg bottoms are provided with for connecting the left grade beam often organizing supporting leg, right grade beam, supporting leg top and girder lower end are provided with for being hinged on by supporting leg on girder with the articulated structure making supporting leg swing up and down around girder left and right extension line, described supporting leg has supporting leg top and the connection bit of main beam pivot and the fixed bit that is connected with grade beam supporting leg bottom on the path that girder axis swings up and down, described each supporting leg top is equipped with the lower stopping surface for coordinating with block below girder, before and after below described girder, both sides are respectively equipped with the upper stopping surface for coordinating with corresponding supporting leg block, swing to lower stopping surface described in busy hour fixed downwards at supporting leg to coordinate with upper stopping surface block, detouchable fixed connecting piece is provided with between described supporting leg and grade beam.
Described girder comprises the two groups of Connection Blocks for connecting two groups of supporting legs being arranged on two ends, girder left and right, and described articulated structure is arranged on Connection Block lower end and supporting leg top.
Described Connection Block lower end is connected with upper flange, and described supporting leg top is provided with lower flange, and described upper stopping surface is upper flange lower surface, and described lower stopping surface is the upper surface of lower flange.
Detouchable fixed connecting piece between described supporting leg and grade beam is bolt.
Advantageous Effects of the present utility model is: between supporting leg and girder, adopt articulated structure, supporting leg swings up and down around the left and right extension line of girder, supporting leg top is provided with lower stopping surface, girder lower end is provided with stopping surface, have supporting leg and the connection bit of main beam pivot and fixed bit that supporting leg is connected with grade beam on the path that girder swings up and down at supporting leg, supporting leg and main beam pivot when supporting leg is in connection bit, girder is sling, under Gravitative Loads, supporting leg is to lower swing, lower stopping surface and upper stopping surface are pressed close to gradually, when arrival busy hour fixed, lower stopping surface coordinates with upper stopping surface block, grade beam is connected with supporting leg, detouchable fixed connection structure is provided with between supporting leg and grade beam, facilitate the Assembly &Disassembly of portal frame.Only girder need be sling and can install portal frame with crane when this portal frame is installed, use manpower and material resources sparingly, the upper stopping surface of girder coordinates with the lower stopping surface block of supporting leg, when installing or dismantle, staff does not need to climb up crane gantry again to connecting above supporting leg or dismantling, installation, convenient disassembly simply, substantially increase production efficiency.
Two ends, girder left and right correspondence is provided with two groups of Connection Blocks, and Connection Block lower end coordinates with supporting leg top, increases the area of contact of girder and supporting leg, improves the stability of girder.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of specific embodiment of the utility model portal frame;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the scheme of installation of a kind of embodiment of the utility model portal frame;
In figure, each label is expressed as: 1, girder, and 21, front leg strut, 22, rear support leg, 3, grade beam, 31, left grade beam, 32, right grade beam, 41, upper flange, 42, lower flange, 11, front Connection Block, 12, rear Connection Block, 6, articulated structure.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is explained in detail.
The specific embodiment of the utility model crane portal frame, as Fig. 1, 2, portal frame shown in 3, this portal frame comprises girder 1 and supporting leg group, supporting leg group comprises the left branch leg group laying respectively at two ends, left and right below girder 1, right supporting leg group, each supporting leg group includes the front leg strut 21 and a rear support leg 22 that are positioned at both sides before and after below girder 1, the bottom often organizing supporting leg is connected to grade beam 3, grade beam 3 comprises the left grade beam 31 be connected with left branch leg group and the right grade beam 32 be connected with right supporting leg group, girder 1 comprises two groups of Connection Blocks of the corresponding position being arranged on girder about 1 two ends supporting leg, often organize Connection Block and comprise the front Connection Block 11 being positioned at both sides before and after girder, rear Connection Block 12, described Connection Block is the shape of a saddle, Connection Block lower end is provided with upper flange 41, supporting leg top is provided with lower flange 42, the lower surface of described upper flange 41 forms the upper stopping surface that girder coordinates with supporting leg block, the upper surface of described lower flange 42 forms the lower stopping surface that supporting leg coordinates with girder block, supporting leg top and Connection Block lower end are provided with articulated structure 6, described supporting leg can swing up and down around the left and right extension line of girder 1, there is in the path that girder swings up and down fixed bit supporting leg being hinged on the connection bit on girder and grade beam being fixedly connected on supporting leg bottom, supporting leg is at busy hour fixed, described lower flange coordinates with upper flange block, two groups of supporting leg bottoms are connected with left grade beam 31 and right grade beam 32 respectively, bolt is adopted to be fixedly connected with between supporting leg with grade beam, facilitate portal frame Assembly &Disassembly.
Described articulated structure 6 comprises axle sleeve and bearing pin, and axle sleeve is welded on Connection Block and supporting leg, and bearing pin interts in axle sleeve along extension line direction, girder left and right, and supporting leg swings up and down around bearing pin axis.
During installation, by horizontally hinged for supporting leg on girder 1, to sling girder 1 with crane, girder 1 rises, drive on supporting leg top and rise, under Gravitative Loads, supporting leg is from connection bit to lower swing, the lower surface of described upper flange and the upper surface of lower flange are pressed close to gradually, when supporting leg arrives busy hour fixed, described lower flange coordinates with upper flange block, the spacing often organized between the front leg strut of supporting leg and rear support leg becomes large from top to bottom gradually, grade beam is fixedly connected on respectively the bottom of two groups of supporting legs, the installation of portal frame can be completed, up-narrow and down-wide trapezoidal portal frame is formed after installation.
In the above-described embodiments, Connection Block is the shape of a saddle, and in other embodiments, Connection Block also can be wedge shape contiguous block or the cantilever beam for being fixed on two ends, crossbeam left and right.
In the above-described embodiments, attaching parts is axle sleeve and pin shaft structure, and in other embodiments, attaching parts also can be replaced ball connecting device, universal-joint bearing pin etc.
In the above-described embodiments, supporting leg bottom and grade beam with bolts, in other embodiments of the present utility model, supporting leg bottom can be welded on grade beam or in employing riveted structure.
The specific embodiment of the utility model transfer crane, this hoisting crane comprises portal frame, and the concrete structure of described portal frame is as above-mentioned, and therefore not to repeat here.
Claims (8)
1. a transfer crane, comprise portal frame, described portal frame comprises girder and two groups of supporting legs for two ends, left and right below bracketing girder, often organize supporting leg and comprise the front leg strut and a rear support leg that are positioned at both sides before and after below girder, two groups of supporting leg bottoms are provided with for connecting the left grade beam often organizing supporting leg, right grade beam, it is characterized in that: supporting leg top and girder lower end are provided with for being hinged on by supporting leg on girder with the articulated structure making supporting leg swing up and down around girder left and right extension line, described supporting leg has supporting leg top and the connection bit of main beam pivot and the fixed bit that is connected with grade beam supporting leg bottom on the path that girder axis swings up and down, described each supporting leg top is equipped with the lower stopping surface for coordinating with block below girder, before and after below described girder, both sides are respectively equipped with the upper stopping surface for coordinating with corresponding supporting leg block, swing to lower stopping surface described in busy hour fixed downwards at supporting leg to coordinate with upper stopping surface block, detouchable fixed connecting piece is provided with between described supporting leg and grade beam.
2. transfer crane according to claim 1, is characterized in that: described girder comprises the two groups of Connection Blocks for connecting two groups of supporting legs being arranged on two ends, girder left and right, and described articulated structure is arranged on Connection Block lower end and supporting leg top.
3. transfer crane according to claim 2, is characterized in that: described Connection Block lower end is connected with upper flange, and described supporting leg top is provided with lower flange, and described upper stopping surface is upper flange lower surface, and described lower stopping surface is the upper surface of lower flange.
4. the transfer crane according to claim 1 or 2 or 3, is characterized in that: the detouchable fixed connecting piece between described supporting leg and grade beam is bolt.
5. portal frame, comprise girder and two groups of supporting legs for two ends, left and right below bracketing girder, often organize supporting leg and comprise the front leg strut and a rear support leg that are positioned at both sides before and after below girder, two groups of supporting leg bottoms are provided with for connecting the left grade beam often organizing supporting leg, right grade beam, it is characterized in that: supporting leg top and girder lower end are provided with for being hinged on by supporting leg on girder with the articulated structure making supporting leg swing up and down around girder left and right extension line, described supporting leg has supporting leg top and the connection bit of main beam pivot and the fixed bit that is connected with grade beam supporting leg bottom on the path that girder axis swings up and down, described each supporting leg top is equipped with the lower stopping surface for coordinating with block below girder, before and after below described girder, both sides are respectively equipped with the upper stopping surface for coordinating with corresponding supporting leg block, swing to lower stopping surface described in busy hour fixed downwards at supporting leg to coordinate with upper stopping surface block, detouchable fixed connecting piece is provided with between described supporting leg and grade beam.
6. portal frame according to claim 5, is characterized in that: described girder comprises the two groups of Connection Blocks for connecting two groups of supporting legs being arranged on two ends, girder left and right, and described articulated structure is arranged on Connection Block lower end and supporting leg top.
7. portal frame according to claim 6, is characterized in that: described Connection Block lower end is connected with upper flange, and described supporting leg top is provided with lower flange, and described upper stopping surface is upper flange lower surface, and described lower stopping surface is the upper surface of lower flange.
8. the portal frame according to claim 5 or 6 or 7, is characterized in that: the detouchable fixed connecting piece between described supporting leg and grade beam is bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420756076.2U CN204265249U (en) | 2014-12-05 | 2014-12-05 | A kind of transfer crane and portal frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420756076.2U CN204265249U (en) | 2014-12-05 | 2014-12-05 | A kind of transfer crane and portal frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204265249U true CN204265249U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420756076.2U Expired - Fee Related CN204265249U (en) | 2014-12-05 | 2014-12-05 | A kind of transfer crane and portal frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204265249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904538A (en) * | 2017-04-19 | 2017-06-30 | 郑州国水机械设计研究所有限公司 | A kind of installation method of cucurbit gantry crane |
-
2014
- 2014-12-05 CN CN201420756076.2U patent/CN204265249U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904538A (en) * | 2017-04-19 | 2017-06-30 | 郑州国水机械设计研究所有限公司 | A kind of installation method of cucurbit gantry crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20161205 |