CN220165629U - Double-layer split type eight-rod structure and gantry crane comprising same - Google Patents
Double-layer split type eight-rod structure and gantry crane comprising same Download PDFInfo
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- CN220165629U CN220165629U CN202320737110.0U CN202320737110U CN220165629U CN 220165629 U CN220165629 U CN 220165629U CN 202320737110 U CN202320737110 U CN 202320737110U CN 220165629 U CN220165629 U CN 220165629U
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- 229910000831 Steel Inorganic materials 0.000 claims description 21
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- 238000004519 manufacturing process Methods 0.000 description 7
- 230000011218 segmentation Effects 0.000 description 4
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- 238000005452 bending Methods 0.000 description 2
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Abstract
The utility model discloses a double-layer split type eight-rod structure and a gantry crane comprising the same, comprising a central tower, upper layer circular tube main limbs and lower layer sheet type structures, wherein the bottom of the central tower is connected with eight upper layer circular tube main limbs which are arranged in a forward conical manner, two upper layer circular tube main limbs positioned on the same side face of the central tower are arranged in an inverted V shape, and two upper layer circular tube main limbs positioned on adjacent side faces of the central tower are arranged in a forward V shape; the lower layer sheet structure consists of four sheet components which are arranged in a forward conical manner, and the top of each sheet component is connected with the bottom through flanges of the main limbs of the two upper layer circular tubes which are arranged in a forward V shape.
Description
Technical Field
The utility model belongs to the field of gantry cranes, and particularly relates to a gantry crane with a double-layer split eight-rod structure.
Background
With the expansion of production scale and the improvement of automation degree, the gantry crane serving as important equipment for material handling is increasingly applied to the modern production process, but the traditional gantry crane mostly adopts cylindrical, truss-type, independent gantry structures and the like, and the performance parameters such as large operation amplitude, large span, large lifting height and the like required at present of the gantry structures can not meet the use requirements of port hoisting.
The top of the portal structure of the traditional eight-rod type door seat machine is a circular ring structure, an annular track and a large gear are arranged on the circular ring structure, the circular ring section is always made into a box-shaped or wide web I-shaped section, the matching precision is required to be high, the manufacturing and processing technology is complex, the production cost is high, the welding quantity is large, the required detection standard is high, the welding quality is difficult to effectively control and guarantee, and the safety and the economical efficiency of the door seat machine are greatly influenced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a double-layer split type eight-rod structure and a gantry crane comprising the structure; the double-layer split type eight-rod structure for the portal crane has the advantages of definite stress, simplicity in manufacture, high rigidity, good economy, strong wind resistance and the like, is gradually favored by the port hoisting industry, and solves the technical problems of low lifting height, complex manufacturing process and high assembly precision of the traditional portal crane; solves the technical defects of heavy weight, high material consumption, high manufacturing cost and overrun transportation of the traditional door seat machine.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
in a first aspect, embodiments of the present utility model provide a two-layer split eight-bar structure for a gantry crane; the device comprises a central tower, upper layer circular tube main limbs and a lower layer sheet type structure, wherein the bottom of the central tower is connected with eight upper layer circular tube main limbs which are arranged in a positive taper shape, two upper layer circular tube main limbs positioned on the same side face of the central tower are arranged in an inverted V shape, and two upper layer circular tube main limbs positioned on adjacent side faces of the central tower are arranged in a positive V shape; the lower layer sheet structure consists of four sheet components which are arranged in a forward conical manner, and the top of each sheet component is connected with the bottoms of two upper layer circular tube main limbs which are arranged in a forward V shape through flanges.
As a further technical scheme, the central tower is formed by welding and combining a connecting flange, a first main limb, a K-shaped web member and a steel beam; the first main limbs include four, equal just parallel arrangement of four first main limbs, have all welded first flange at the top and the bottom of every first main limb, weld through K shape web member and girder steel between the adjacent first main limb for K shape web member and girder steel are located four planes of center tower and form wholly.
As a further technical scheme, the first connecting flange at the top of the first main limb is connected with a standard section of the crane tower body, and the first connecting flange at the bottom is connected with a basic section of the crane tower body.
As a further technical scheme, the K-shaped web member is positioned at the upper part of the adjacent first main limb; the steel beam is positioned at the lower part of the adjacent first main limb.
As a further technical scheme, the top and the bottom of the upper layer circular tube main limb are welded with second connecting flanges, the second connecting flanges at the top are connected with the steel beam of the central tower, and the second connecting flanges at the bottom are connected with the lower layer sheet type structure.
As a further technical scheme, adjacent steel beams are connected through connecting rods.
As a further technical scheme, the sheet-type components are welded into a tetrahedron structure by a second main limb and a triangular web member, wherein the upper ends of the second main limbs are split, and the triangular web member is used for connecting adjacent sheet-type components.
As a further technical scheme, the upper ends of the second main limbs are respectively connected with the lower parts of the two circular tube main limb structures with the positive V-shaped upper layers through third connecting flanges, and the lower ends of the second main limbs are connected with the portal frame through fourth connecting flanges.
As a further technical solution, the triangular web members of adjacent sheet members are connected by a fifth connecting flange.
In a second aspect, the utility model also discloses a portal crane, which comprises the double-layer split eight-rod structure.
The beneficial effects of the embodiment of the utility model are as follows:
1) The utility model cancels the top circular ring of the traditional eight-rod structure, adopts a pipe truss structure, has definite stress, low wind power coefficient and strong wind and skid resistance;
2) Compared with a single-layer structure, the double-layer eight-rod structure can greatly increase the lifting height of the crane and the rigidity of the whole crane;
3) The split type eight-rod structure adopts an upper layer segmentation and lower layer segmentation structure splitting mode, so that the number of connecting nodes can be reduced, transportation is not overrun, and transportation cost is reduced;
4) The novel eight-rod structure is connected with the crane central tower by adopting a flange, the height of the central tower can be increased according to requirements under the condition of meeting the strength and the stability, and the adaptability of the crane can be enhanced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of a central tower transition section of the present utility model;
FIG. 3 is a schematic view of the upper layer V-shaped circular tube main limb structure of the utility model;
FIG. 4 is a schematic illustration of a lower layer sheet structure of the present utility model;
FIG. 5 is a schematic diagram showing the connection state of the upper layer V-shaped circular tube main limb structure and the lower layer sheet structure;
FIG. 6 is a top view of the overall structure of the present utility model;
in the figure: 1. the device comprises a central tower, 2, an upper layer V-shaped circular tube main limb, 3, a connecting flange, 4 and a lower layer sheet structure; 11. a connecting flange; 12. a main limb; 13. k-shaped web members; 14 steel beams; 41 main limbs, 42 connecting flanges, 43 connecting flanges, 44 triangular web members.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms also are intended to include the plural forms unless the present utility model clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the "up" and "down" directions in the present utility model are defined with reference to the height direction of the gantry crane tower.
As described in the background art, the utility model provides a double-layer split eight-rod structure for solving the technical problems.
In a typical embodiment of the present utility model, as shown in fig. 1, the double-layered split eight-pole structure disclosed in this embodiment includes a central tower 1, a connecting flange 3, an upper round pipe main limb 2, and a lower layer sheet structure 4; the upper structure of the portal crane is connected with the central tower 1 through a flange to downwards transmit bending moment, transverse force and axial force, the central tower 1 is connected with the eight upper layer circular tube main limbs 2 through a flange to form a transition structure, the upper layer circular tube main limbs 2 are connected with the lower layer sheet type structure 4 through a plurality of flanges to form a space symmetrical truss eight-rod structure, all loads on the upper portion sequentially pass through the central tower 1, the eight upper layer circular tube main limbs 2 and the lower layer sheet type structure 4, and finally, the loads are transmitted to a tower body base of the portal crane through four nodes at the bottom of the lower layer sheet type structure 4 and are transmitted to a foundation through a portal crane running mechanism to form a stable space eight-rod portal structure.
Furthermore, the central tower 1 is formed by welding and combining a connecting flange 11, a main limb 12, a K-shaped web member 13 and a steel beam 14; the main limbs 12 comprise four main limbs 12 which are equal in length and are arranged in parallel, the top and the bottom of each main limb 12 are welded with connecting flanges 11, the connecting flanges 11 at the top of each main limb 12 are connected with standard sections of a crane tower body, and the connecting flanges at the bottom of each main limb 12 are connected with basic sections of the crane tower body; the adjacent main limbs 12 are welded through the K-shaped web members 13 and the steel beams 14, so that the K-shaped web members 13 and the steel beams 14 are positioned on four planes of the central tower to form a whole, and the main limbs 12 are of a square structure with equal cross sections.
Further, the K-shaped web members 13 are connected to the upper portions of the adjacent main limbs 12, and the steel beams 14 are connected to the lower portions of the adjacent main limbs 12.
Further, in order to enhance the strength of the whole device, the adjacent steel beams 14 are also connected through connecting rods to form a whole.
Further, the upper layer circular tube main limb structure consists of eight circular steel tubes with the same specification, connecting flanges are welded at two ends of each steel tube, the upper end flanges are connected with a steel beam 14 of the central tower through hinging holes and bolts, the lower end flanges are connected with eight lower layer sheet structures through hinging holes and bolts, the whole structure is in a forward conical arrangement, two upper layer circular tube main limbs positioned on the same side face of the central tower are in an inverted V-shaped arrangement, and two upper layer circular tube main limbs positioned on adjacent side faces of the central tower are in a forward V-shaped arrangement; the structure converts the upper bending moment, the transverse force and the axial force into the upper eight-bar axial force, and the axial force is cyclically alternating internal force according to different angles of the arm support.
Further, the lower layer sheet structure 4 comprises four sheet components with identical structures, the four sheet components are integrally arranged in a forward conical shape, one sheet component structure is shown in fig. 4, the sheet component structure is formed by welding a main limb 41, a connecting flange 42, a connecting flange 43 and a triangular web member 44 into a tetrahedron structure, wherein the upper end of the main limb 41 is split and connected with the lower parts of two circular tube main limb structures, the upper layers of which are arranged in a positive V shape, of the main limb structure through the flange, the lower ends of the main limb are connected with a door frame through the flange and high-strength bolts, all external loads are transmitted to the door frame, and the structure can reduce the number of connecting nodes, ensure that transportation is not overrun and reduce transportation cost. Specifically, the main limbs 41 of the whole lower layer sheet structure 4 comprise four main limbs 41 with equal length, and the adjacent main limbs 41 are connected through the triangular web members 42 to form a whole.
Further, the triangular web member 42 of one sheet member includes 5 web members, four triangles are formed between the 5 web members and the main limb 41, and the four triangles form a stable structure, further increasing the stability of the whole device.
The utility model cancels the top circular ring of the traditional eight-rod structure, adopts a pipe truss structure, has definite stress, low wind power coefficient and strong wind and skid resistance; compared with a single-layer structure, the double-layer eight-rod structure can greatly increase the lifting height of the crane and the rigidity of the whole crane; the split type eight-rod structure adopts an upper layer segmentation and lower layer segmentation structure splitting mode, so that the number of connecting nodes can be reduced, transportation is not overrun, and transportation cost is reduced; the novel eight-rod structure is connected with the crane central tower by adopting a flange, the height of the central tower can be increased according to requirements under the condition of meeting the strength and the stability, and the adaptability of the crane can be enhanced.
The embodiment also provides a gantry crane, which comprises the double-layer split type eight-rod structure. The gantry crane has all the advantages as described above since the two-layer split eight-bar structure is provided in the gantry crane.
Finally, it is pointed out that relational terms such as first and second are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The double-layer split type eight-rod structure is characterized by comprising a central tower, upper layer circular tube main limbs and a lower layer sheet type structure, wherein the bottom of the central tower is connected with eight upper layer circular tube main limbs which are arranged in a positive taper manner, the two upper layer circular tube main limbs positioned on the same side face of the central tower are arranged in an inverted V shape, and the two upper layer circular tube main limbs positioned on the adjacent side faces of the central tower are arranged in a positive V shape; the lower layer sheet structure consists of four sheet components which are arranged in a forward conical manner, and the top of each sheet component is connected with the bottoms of two upper layer circular tube main limbs which are arranged in a forward V shape through flanges.
2. The double-layered and split eight-bar structure according to claim 1, wherein the central tower is formed by welding and combining a connecting flange, a first main limb, a K-shaped web member and a steel beam; the first main limbs include four, equal just parallel arrangement of four first main limbs, have all welded first flange at the top and the bottom of every first main limb, weld through K shape web member and girder steel between the adjacent first main limb for K shape web member and girder steel are located four planes of center tower and form wholly.
3. The double-layered and segmented eight-bar structure of claim 2, wherein the first connecting flange at the top of the first main limb is connected with a standard section of a crane tower body, and the connecting flange at the bottom is connected with a base section of the crane tower body.
4. The two-layer segmented eight-bar structure of claim 2 wherein said K-shaped web members are located adjacent the upper portion of the first main limb; the steel beam is positioned at the lower part of the adjacent first main limb.
5. The double-layered and split eight-bar structure according to claim 2, wherein the top and the bottom of the main limb of the upper circular tube are welded with second connecting flanges, the second connecting flange at the top is connected with the steel beam of the central tower, and the second connecting flange at the bottom is connected with the lower layer sheet structure.
6. The two-layer split eight-bar structure of claim 1, wherein,
adjacent steel beams are connected through connecting rods.
7. The two-layer split eight-bar structure according to claim 1, wherein the sheet-type components are welded into a tetrahedron structure by a second main limb and a triangular web member, wherein the upper ends of the second main limbs are split, and the triangular web member is used for connecting adjacent sheet-type components.
8. The double-layer split type eight-rod structure according to claim 1, wherein the upper ends of the second main limbs are respectively connected with the lower parts of the two circular tube main limb structures with positive V-shaped upper layers through third connecting flanges, and the lower ends of the second main limbs are connected with the portal frame through fourth connecting flanges.
9. The double-layered split eight-bar structure of claim 1, wherein triangular web members of adjacent sheet members are connected by a fifth connecting flange.
10. A gantry crane comprising a double-layered split eight-bar structure according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320737110.0U CN220165629U (en) | 2023-03-31 | 2023-03-31 | Double-layer split type eight-rod structure and gantry crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320737110.0U CN220165629U (en) | 2023-03-31 | 2023-03-31 | Double-layer split type eight-rod structure and gantry crane comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN220165629U true CN220165629U (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320737110.0U Active CN220165629U (en) | 2023-03-31 | 2023-03-31 | Double-layer split type eight-rod structure and gantry crane comprising same |
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| Country | Link |
|---|---|
| CN (1) | CN220165629U (en) |
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- 2023-03-31 CN CN202320737110.0U patent/CN220165629U/en active Active
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