CN219669929U - Node big sample of net rack lower hanging crane - Google Patents
Node big sample of net rack lower hanging crane Download PDFInfo
- Publication number
- CN219669929U CN219669929U CN202321215890.9U CN202321215890U CN219669929U CN 219669929 U CN219669929 U CN 219669929U CN 202321215890 U CN202321215890 U CN 202321215890U CN 219669929 U CN219669929 U CN 219669929U
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- crane
- bolt
- connecting plate
- grid
- rack
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The utility model relates to the technical field of grid structures, in particular to a node large sample of a grid lower hanging crane, which comprises a grid bolt ball, a high-strength bolt, a grid rod piece and a crane I-beam, wherein the grid bolt ball is welded with an upper connecting plate, the high-strength bolt penetrates through the upper connecting plate to be in threaded connection with the grid bolt ball, a sleeve is welded at the bottom end of the upper connecting plate, a lower connecting plate is welded at the bottom end of the sleeve, the grid rod piece is connected with the grid bolt ball, the crane I-beam is connected with the lower connecting plate through a tension bolt, and a rib plate is welded on a web plate of the crane I-beam; the utility model effectively connects the crane I-shaped steel beam with the lower hanging net rack, simplifies the structure of the lower hanging node, and has high industrialization degree, convenient processing and simple installation of the whole lower hanging node.
Description
Technical Field
The utility model relates to the technical field of grid structures, in particular to a node large sample of a grid lower hanging crane.
Background
The grid structure is a space structure formed by connecting a plurality of rods through nodes according to a certain grid form. The grid structure has the advantages of space stress, light weight, high rigidity, good earthquake resistance and the like, and can be used as a roof of buildings such as gymnasiums, theatres, exhibition halls, waiting halls, stadium grandstands, hangars, material yards, two-way large-column-spacing workshops and the like.
In industrial building applications, the lower portion of the net rack is often required to be provided with a suspension crane or an electric hoist to meet the process and use requirements. How to make the lower hanging node stressed reasonably, connect effectively and easy to construct in the connecting process is an important problem to be considered by the constructor, and based on this, the utility model provides a node big sample of a net rack lower hanging crane.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a node big sample of a net rack down-hanging crane, which is used for solving the technical problems.
The utility model provides a node big sample of rack lower wall crane, includes rack bolt ball, high strength bolt, rack member and crane I-beam, rack bolt ball welding has the upper junction plate, high strength bolt passes upper junction plate and rack bolt ball threaded connection, the bottom welding of upper junction plate has the sleeve, telescopic bottom welding has the lower junction plate, rack member is connected with rack bolt ball, crane I-beam passes through tension bolt and is connected with the lower junction plate, and the web welding of crane I-beam has the floor.
Further, the tension bolts sequentially penetrate through the bolt holes of the upper flange and the lower connecting plate of the crane I-shaped steel beam from bottom to top, and are connected with double nuts through threads.
Further, the diameter of the bolt hole is equal to the diameter of the tension bolt plus 1-2mm.
Further, the rib plate center shaft and the net rack bolt ball center shaft are positioned on the same axis.
By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that:
1) The net rack bolt ball, the upper connecting plate, the sleeve, the high-strength bolt and the lower connecting plate form a support, and the crane I-beam is directly connected with a net rack rod piece of the lower hanging net rack through the support, so that the use requirement is met, the integral rigidity and the bearing capacity of the whole structure are ensured, and the crane I-beam is effectively connected with the lower hanging net rack;
2) The structure of the lower hanging node is simplified, and the whole lower hanging node is high in industrialization degree, convenient to process and simple to install.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the lower web;
FIG. 3 is a schematic side view of the present utility model;
FIG. 4 is a schematic view of the structure of the bracket;
the steel frame comprises the following components of a reference numeral, a 1-net frame bolt ball, a 2-connecting plate, a 3-sleeve, a 4-high-strength bolt, a 5-lower connecting plate, a 6-tension bolt, a 7-crane I-shaped steel beam, an 8-net frame rod piece and 9-rib plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Other embodiments, or equivalents, which are apparent to those skilled in the art based on the examples provided herein, are intended to be within the scope of the utility model.
1-4, a node big sample of a net rack lower hanging crane is used for a light working crane with less than or equal to 5 tons of lifting capacity and without checking fatigue, and comprises a net rack bolt ball 1, an upper connecting plate 2, a sleeve 3, a high-strength bolt 4, a lower connecting plate 5, a tension bolt 6, a crane I-shaped steel beam 7, a net rack rod piece 8 and a rib plate 9;
the net rack bolt ball 1 is provided with a threaded hole, a high-strength bolt 4 passes through the upper connecting plate 2 to be screwed and connected, the diameter of the high-strength bolt 4 is determined by calculation and construction, the net rack bolt ball 1 and the upper connecting plate 2 are welded and fixed on site through a fillet weld, and the thickness of the fillet weld meets the requirements of calculation and construction;
welding the sleeve 3 and the upper connecting plate 2 on the ground, wherein the thickness of the fillet weld meets the requirements of calculation and construction, the section size of the sleeve 3 meets the stress requirement, the lower connecting plate 5 and the sleeve 3 are welded and connected into a whole in a factory, and the thickness of the fillet weld meets the requirements of calculation and construction;
the lower connecting plate 5 and the crane I-shaped steel beam 7 are connected into a whole through the tension bolts 6, all the tension bolts 6 are fixed by double nuts, bolt holes are formed in the upper flanges of the lower connecting plate 5 and the crane I-shaped steel beam 7, the diameters of the bolt holes are equal to the diameter of the tension bolts 6 plus 1-2mm, and the diameters and the number of the tension bolts 6 are determined by calculation and construction;
the net rack bolt ball 1, the upper connecting plate 2, the sleeve 3, the high-strength bolt 4 and the lower connecting plate 5 are connected into a whole and then connected with the net rack rod piece 8 at high altitude for installation, and the elevation of the bottom of the lower connecting plate 5 is checked to be positioned at the same elevation with the bottom of the lower connecting plate at other net rack ball joints in the installation process;
the web plate of the crane I-beam 7 is provided with the rib plate 9, the central shaft of the rib plate 9 and the central shaft of the grid bolt ball 1 are positioned on the same axis, the rib plate 9 and the crane I-beam 7 adopt fillet welds of three-face girth welding, the thickness of the fillet welds meets the requirements of calculation and construction, the thickness of the flange and the web plate of the section height of the crane I-beam 7 meets the requirements of the bearing capacity limit state and the normal use limit state, and the size of the rib plate 9 meets the requirements of the relevant construction and calculation of stiffening ribs.
The installation steps of the utility model include: 1) The lower connecting plate 5 and the sleeve 3 are welded and connected into a whole in a factory;
2) The net rack bolt ball 1 and the upper connecting plate 2 are welded and fixed on site through fillet welds, and the high-strength bolt 4 penetrates through the upper connecting plate 2 to be connected with a threaded hole on the net rack bolt ball 1;
3) The sleeve 3 is welded with the upper connecting plate 2 on the ground, the net rack bolt ball 1, the upper connecting plate 2, the sleeve 3, the high-strength bolt 4 and the lower connecting plate 5 form a support, and the support is connected with the net rack rod piece 8 through the net rack bolt ball 1 at high altitude after being connected into a whole;
4) The lower connecting plate 5 is connected with the crane I-beam 7 into a whole through the tension bolt 6, and the rib plate 9 is welded with the crane I-beam 7.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The utility model provides a node big sample of rack lower wall crane, includes rack bolt ball (1), high strength bolt (4), rack member (8) and crane I-beam (7), its characterized in that: the utility model discloses a crane I-beam, including rack bolt ball (1), upper connecting plate (2) have been welded to rack bolt ball (1), high strength bolt (4) pass upper connecting plate (2) and rack bolt ball (1) threaded connection, the bottom welding of upper connecting plate (2) has sleeve (3), the bottom welding of sleeve (3) has lower connecting plate (5), rack member (8) are connected with rack bolt ball (1), crane I-beam (7) are connected with lower connecting plate (5) through tension bolt (6), and the web welding of crane I-beam (7) has floor (9).
2. The grid underslung crane node master as set forth in claim 1, wherein: the tension bolt (6) sequentially penetrates through the upper flange of the crane I-shaped steel beam (7) and the bolt hole of the lower connecting plate (5) from bottom to top, and is connected with a double nut in a threaded manner.
3. The grid underslung crane node master as set forth in claim 2, wherein: the diameter of the bolt hole is equal to the diameter of the tension bolt (6) plus 1-2mm.
4. The grid underslung crane node master as set forth in claim 1, wherein: the central shaft of the rib plate (9) and the central shaft of the grid bolt ball (1) are positioned on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215890.9U CN219669929U (en) | 2023-05-19 | 2023-05-19 | Node big sample of net rack lower hanging crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215890.9U CN219669929U (en) | 2023-05-19 | 2023-05-19 | Node big sample of net rack lower hanging crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219669929U true CN219669929U (en) | 2023-09-12 |
Family
ID=87925917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321215890.9U Active CN219669929U (en) | 2023-05-19 | 2023-05-19 | Node big sample of net rack lower hanging crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219669929U (en) |
-
2023
- 2023-05-19 CN CN202321215890.9U patent/CN219669929U/en active Active
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