CN212769452U - Large-span single-beam crane - Google Patents
Large-span single-beam crane Download PDFInfo
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- CN212769452U CN212769452U CN202021727186.8U CN202021727186U CN212769452U CN 212769452 U CN212769452 U CN 212769452U CN 202021727186 U CN202021727186 U CN 202021727186U CN 212769452 U CN212769452 U CN 212769452U
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Abstract
The utility model discloses a large-span single-beam crane, including girder and electric block, the cross-section of girder is "concave" font structure of inversion, the girder is inside hollow, the girder includes the roof of level setting, the both sides of roof bottom are fixedly connected with the web of vertical setting respectively, two webs are symmetrical to be set up, the below level in roof middle part is provided with the reinforcing plate, the width of reinforcing plate is less than the width of roof, the both sides of reinforcing plate bottom are fixedly connected with the fixed plate of vertical setting respectively, the web of the same side and fixed plate bottom fixedly connected with track board, the width of track board is greater than the distance between the web of the same side and fixed plate, the track board widens the part of web and fixed plate and is regarded as the track; the electric hoist is arranged below the main beam, two wheel sets are symmetrically arranged at the top of the electric hoist, and the wheel sets are matched with the track slab; the utility model is used for solve among the prior art large-span monospar formula hoist's the not enough, the dead weight of girder horizontal rigidity, problem that the cost is high.
Description
Technical Field
The utility model relates to a hoist technical field, especially a large-span monospar formula hoist.
Background
At present, the cranes used in large-span plants are mostly double-beam cranes, because the main beams of the double-beam cranes can ensure sufficient horizontal rigidity and ensure the production safety, but the double-beam cranes have larger self weight and higher manufacturing cost due to the fact that the structure of the double-beam cranes is more complicated than that of a single-beam crane, so that a large amount of cost needs to be invested in building the plants; the horizontal rigidity of the existing single-beam girder is hardly in accordance with the use requirement on a large-span crane due to the influence of the structural form of the existing single-beam girder, so that the existing large-span factory building basically cannot use the single-beam crane; and single beam formula girder wants to guarantee that the girder possesses sufficient horizontal rigidity, just need improve the horizontal rigidity of girder through some additional strengthening, but these additional strengthening need increase the used raw and other materials of girder production, and the raw and other materials of production girder increase, will make the cost of girder improve, and complicated structure also can make the dead weight of girder increase in addition, and is great certainly, the cost is high makes the single beam formula girder of large-span not have the competitiveness in the market of the hoist of large-span.
Disclosure of Invention
The utility model aims at providing a large-span monospar formula hoist for solve among the prior art large-span monospar formula hoist's the problem that girder horizontal rigidity is insufficient, the dead weight is big, the cost is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a large-span single-beam crane comprises a main beam and an electric hoist, wherein end beams are fixedly connected to two ends of the main beam, the cross section of the main beam is of an inverted concave structure, the main beam is hollow and comprises a horizontally arranged top plate, two vertically arranged webs are fixedly connected to two sides of the bottom of the top plate respectively, the two webs are symmetrically arranged, a reinforcing plate is horizontally arranged below the middle part of the top plate, the width of the reinforcing plate is smaller than that of the top plate, two vertically arranged fixing plates are fixedly connected to two sides of the bottom of the reinforcing plate respectively, a track plate is fixedly connected to the webs on the same side and the bottom of the fixing plates, the width of the track plate is larger than the distance between the webs on the same side and the fixing plates, the webs and the fixing plates are symmetrically arranged relative to the central line of the; the electric block sets up in the below of girder, and electric block top symmetry is provided with two wheelsets, wheelset and track board phase-match.
Optionally, every the wheel group includes the mounting panel of two relative settings, and one side that two relative settings of mounting panel rotate respectively and are connected with the walking wheel, and the walking wheel is installed on the track, is provided with drive gear on the walking wheel that is close to the outside, and the outside of the mounting panel that leans on the outside is provided with driving motor, is connected through reduction gear transmission between driving motor and the drive gear.
Optionally, the top plate, the web, the reinforcing plate, the fixing plate and the track plate are all fixedly connected by welding.
Optionally, the reinforcing plate and the fixing plate are of an integrally formed structure, and the reinforcing plate and the fixing plate form an inverted U-shaped plate.
Optionally, the distance between the web and the fixing plate on the same side is denoted as D, the distance between the two webs is denoted as L, and L = 4D.
The utility model discloses a large-span monospar formula hoist has following advantage:
(1) the bottom of the main beam is provided with two track plates, and the force of the electric hoist for hoisting a heavy object is shared by the two track plates, so that the load of a single track plate is reduced, and the service life of the track plate is prolonged; the reinforcing plate and the fixed plate can increase the horizontal rigidity of the main beam and prevent the main beam from deforming.
(2) The main beam is hollow, so that raw materials for producing the main beam are saved; the utility model discloses a girder structure compares than current single beam type girder, and under the same condition of horizontal rigidity, the height and the width of girder all have the reduction, can save the raw and other materials of production girder equally, reduce the cost of manufacture of girder.
(3) The reinforcing plate and the fixed plate are integrally formed U-shaped plates, the reinforcing plate and the fixed plate are connected seamlessly, the horizontal rigidity of the main beam is improved, and the workload of welding workers can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of a main beam according to an embodiment.
FIG. 3 is a schematic structural view of a main beam according to an embodiment.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1-2, a large-span single-beam crane includes a main beam 1 and an electric hoist 12, two ends of the main beam 1 are fixedly connected with end beams (not shown in the figures), the cross section of the main beam 1 is an inverted concave structure, the main beam 1 is hollow, the main beam 1 includes a horizontally arranged top plate 2, two sides of the bottom of the top plate 2 are respectively fixedly connected with vertically arranged webs 3, the two webs 3 are symmetrically arranged about the center line of the top plate 2, a reinforcing plate 4 is horizontally arranged below the middle part of the top plate 2, the width of the reinforcing plate 4 is smaller than that of the top plate 2, two sides of the bottom of the reinforcing plate 4 are respectively fixedly connected with vertically arranged fixing plates 5, the two fixing plates 5 are symmetrically arranged about the center line of the reinforcing plate 4, the distance between the web 3 and the fixing plate 5 on the same side is denoted as D, the distance between the two webs 3 is denoted, web 3 and fixed plate 5 bottom fixedly connected with track board 6 with one side, the width of track board 6 is greater than D, and web 3 and fixed plate 5 set up for track board 6's central line symmetry, and track board 6 widens track 7 of 11 operations of part conduct walking wheels of web 3 and fixed plate 5, and roof 2, web 3, reinforcing plate 4, fixed plate 5 and track board 6 are all through welded mode fixed connection between.
The main beam 1 is hollow, so that raw materials of the main beam 1 are saved in large scale production; compared with the existing single-beam girder, the girder 1 of the utility model has the advantages that the height and the width of the girder 1 are reduced under the condition of the same horizontal rigidity, and the raw materials for producing the girder 1 can be saved; the track plates 6 are also arranged into two blocks, under the same bearing condition, the thickness of the track plates 6 is greatly reduced, the three structures can save raw materials for producing the main beam 1, and the manufacturing cost of the main beam 1 is reduced.
The bottom of the main beam 1 is provided with two track plates 6, the force of the electric hoist 12 for hoisting a heavy object is shared by the two track plates 6, the load of a single track plate 6 is reduced, and the service life of the track plate 6 is prolonged; the reinforcing plate 4 and the fixing plate 5 can increase the horizontal rigidity of the main beam 1, and prevent the main beam 1 from deforming.
Example two:
as shown in fig. 3, the general structure of this embodiment is the same as that of the first embodiment, and the difference is that in this embodiment, the reinforcing plate 4 and the fixing plate 5 are integrally formed, the reinforcing plate 4 and the fixing plate 5 form an inverted U-shaped plate structure, and the reinforcing plate 4 and the fixing plate 5 are connected seamlessly, so that the connection strength between the reinforcing plate 4 and the fixing plate 5 is improved, and further, the horizontal rigidity of the main beam 1 is improved, the reinforcing plate 4 and the fixing plate 5 are integrally formed, welding is not required, and the workload of a welder is reduced.
The embodiments described above are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a large-span monospar formula hoist, includes girder and electric block, the both ends fixedly connected with end beam of girder, its characterized in that: the section of the main beam is of an inverted concave structure, the main beam is hollow, the main beam comprises a horizontally arranged top plate, two vertically arranged webs are fixedly connected to two sides of the bottom of the top plate respectively, the two webs are symmetrically arranged, a reinforcing plate is horizontally arranged below the middle of the top plate, the width of the reinforcing plate is smaller than that of the top plate, two vertically arranged fixing plates are fixedly connected to two sides of the bottom of the reinforcing plate respectively, the two fixing plates are symmetrically arranged, the web on the same side and the bottom of the fixing plate are fixedly connected with a track plate, the width of the track plate is larger than the distance between the web on the same side and the fixing plate, the web and the fixing plate are symmetrically arranged relative to the central line of the track plate, and the; the electric block sets up in the below of girder, and electric block top symmetry is provided with two wheelsets, wheelset and track board phase-match.
2. The large-span single-beam crane according to claim 1, wherein: every the wheel group includes the mounting panel of two relative settings, and one side that two mounting panels set up relatively rotates respectively and is connected with the walking wheel, and the walking wheel is installed on the track, is provided with drive gear on the walking wheel that is close to the outside, and the outside of the mounting panel that leans on the outside is provided with driving motor, is connected through reduction gear transmission between driving motor and the drive gear.
3. The large-span single-beam crane according to claim 1, wherein: the top plate, the web plate, the reinforcing plate, the fixing plate and the track plate are fixedly connected in a welding mode.
4. The large-span single-beam crane according to claim 1, wherein: the reinforcing plate and the fixing plate are of an integrally formed structure, and the reinforcing plate and the fixing plate form an inverted U-shaped plate.
5. The large-span single-beam crane according to claim 1, wherein: the distance between the web and the fixing plate on the same side is recorded as D, the distance between the two webs is recorded as L, and L = 4D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021727186.8U CN212769452U (en) | 2020-08-18 | 2020-08-18 | Large-span single-beam crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021727186.8U CN212769452U (en) | 2020-08-18 | 2020-08-18 | Large-span single-beam crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212769452U true CN212769452U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021727186.8U Active CN212769452U (en) | 2020-08-18 | 2020-08-18 | Large-span single-beam crane |
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| Country | Link |
|---|---|
| CN (1) | CN212769452U (en) |
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2020
- 2020-08-18 CN CN202021727186.8U patent/CN212769452U/en active Active
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