CN215483537U - Rectangular steel pipe joint with inhaul cable - Google Patents
Rectangular steel pipe joint with inhaul cable Download PDFInfo
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- CN215483537U CN215483537U CN202121071736.XU CN202121071736U CN215483537U CN 215483537 U CN215483537 U CN 215483537U CN 202121071736 U CN202121071736 U CN 202121071736U CN 215483537 U CN215483537 U CN 215483537U
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Abstract
The utility model discloses a rectangular steel pipe node with a stay cable, which comprises four rectangular steel pipes and a cross connecting piece for connecting the four rectangular steel pipes, wherein the cross connecting piece comprises a first connecting plate and a second connecting plate which are arranged in a crossed manner, the first connecting plate and the second connecting plate are vertically and crossly connected to form a cross structure, the cross structure is provided with four rectangular connecting corners, a rectangular steel pipe is welded in each rectangular connecting corner, and two overhanging ends of the first connecting plate and the second connecting plate are both connected with a stay cable. The rectangular steel pipe joint with the stay cable can reduce the sealing welding process, is convenient to connect with crossed rectangular steel pipes on one hand, and is convenient to connect with the stay cable on the other hand, and the rectangular steel pipe joint with the stay cable is convenient to construct, high in installation precision and strong in construction error adaptability.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to a rectangular steel pipe joint with inhaul cables.
Background
With the development of the material level and the modern technology, the requirements of people on the building are not only limited to the basic functional level, but also more and more requirements on the human interest, the aesthetic consciousness and the industrialization expressed by the building are required. As a structural form with higher industrialization degree, the steel structure is widely applied to various large-scale buildings due to the characteristics of short construction period, various shapes, small self weight and the like. The single-layer space grid steel structure is popular with more and more architects due to the characteristics of flexible and changeable building shape, exquisite and attractive appearance and the like. Nowadays, single-layer space steel structures are widely applied to various construction places such as stadiums, music halls, entertainment places, tourist facilities and the like, and a beautiful landscape is constructed for the world construction history.
In the single-layer space grid structure, the members and the nodes are two important components, and the connection between the members is realized through the nodes, so that the node design directly influences the safety of the whole steel structure, and the rigidity, strength and stability of the nodes are very important links in the steel structure design. The traditional rectangular steel pipe cross joint mostly adopts a connection form of intersecting joints, a large number of stiffening plates can be formed in the joint form, the welding and processing of the stiffening plates in the closed component are complicated, the welding missing condition often occurs, and the detection of the quality of welding seams is difficult. And in the single-layer space grid structure, the inclined rod can be additionally arranged to increase the overall stability of the structure, and the welding seam connection form between the inclined rod and the crossed rectangular steel pipe is complex, so that the construction quality and safety are difficult to ensure. Therefore, it is important to develop a crossed rectangular steel pipe joint which is convenient for connecting a stay cable, has strong adaptability and excellent mechanical properties, and is convenient for construction.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a rectangular steel pipe joint with a stay cable, which aims to reduce the sealing welding process, facilitate the connection with crossed rectangular steel pipes on one hand, and conveniently and mutually connect with the stay cable on the other hand.
In order to achieve the purpose, the utility model provides a rectangular steel pipe node with a stay cable, which comprises four rectangular steel pipes and a cross connecting piece for connecting the four rectangular steel pipes, wherein the cross connecting piece comprises a first connecting plate and a second connecting plate which are arranged in a crossed mode, the first connecting plate and the second connecting plate are vertically and crossly connected to form a cross structure, four rectangular connecting corners are formed in the cross structure, a rectangular steel pipe is welded in each rectangular connecting corner, and the two overhanging ends of the first connecting plate and the second connecting plate are connected with the stay cable.
Preferably, first connecting plate and second connecting plate all include middle part rectangle connecting plate and are located the semicircle connecting plate at middle part rectangle connecting plate both ends, are connected with the cable on the semicircle connecting plate.
Preferably, the thickness of the semicircular connecting plate is greater than or equal to that of the middle rectangular connecting plate.
Preferably, a pin shaft hole used for being connected with the inhaul cable is formed in the semicircular connecting plate.
Preferably, the connection position of the rectangular steel pipe and the rectangular connection corner is positioned on the middle rectangular connection plate.
Preferably, the first and second connecting plates are the same in shape and size.
Preferably, the height of each of the first connecting plate and the second connecting plate is greater than that of the rectangular steel pipe.
Preferably, the thickness of each of the first connecting plate and the second connecting plate is larger than or equal to the wall thickness of the rectangular steel tube.
Preferably, the tension of the cable is adjustable.
Preferably, the lock head of the inhaul cable comprises a pouring anchor cup sleeved on the inhaul cable, a U-shaped connecting piece and an adjusting screw rod for connecting the pouring anchor cup and the U-shaped connecting piece to adjust the distance between the pouring anchor cup and the U-shaped connecting piece, and the U-shaped connecting piece is connected with the first connecting plate or the second connecting plate through a pin shaft.
The rectangular steel pipe joint with the inhaul cable provided by the utility model has the following beneficial effects:
1. the rectangular steel pipe joint is convenient to construct, high in installation precision and strong in construction error adaptability. A large number of inner partition plates exist in a traditional rectangular steel pipe joint, the welding space is narrow, and construction is difficult. When construction errors occur, the cutting boundary of the pull rod and the boundary line of the rectangular steel pipe are difficult to coincide and match, and a series of reasons such as incapability of welding, poor welding quality and the like can be caused. This rectangle steel pipe node adopts cross connecting piece 3, and the welding seam is all in the open space, and very big improvement construction operation space reduces the welded degree of difficulty, guarantees structure construction quality. The stability can be improved by adopting the inhaul cable, firstly, the section size of the diagonal rod is greatly reduced, and the attractiveness of the structure is improved; secondly, the stay cable is convenient to connect on site, the adaptability to construction errors is strong, and the probability of site waste due to errors is avoided; finally, the stay cable greatly exerts the material performance and improves the structure economy;
2. the bearing capacity of the node is strong, the force transmission of the component is direct, the safety degree is high, and the mechanical property is good. The rectangular steel pipe node connects the rectangular steel pipe and the stay cable together through the middle cross-shaped connecting piece, the force transmission among all components of the node is direct and definite, and the bearing capacity and the stability of a single-layer grid structure are further improved;
3. the node has beautiful appearance and strong ornamental value. The node area is small and exquisite, the lighting and modeling influence on the grid area is small, and the appearance is extremely high;
4. the node construction error adaptability is strong. Firstly, the node pull rod adopts an adjustable inhaul cable, and a lock head of the inhaul cable comprises a section of adjusting end, so that the node pull rod has certain adjusting capacity and can better digest engineering errors. Secondly, the height of the cross-shaped connecting piece exceeds the rectangular steel pipe by a certain distance, and the cross-shaped connecting piece can adapt to construction errors to a certain degree. The adaptability of the construction error is particularly important for the single-layer grid structure of the complex space curved surface, the possibility of component waste is avoided, and the construction feasibility and the economical efficiency of the single-layer grid structure of the complex space curved surface are greatly improved.
Drawings
FIG. 1 is a schematic structural view of an upright surface of a preferred embodiment of a rectangular steel pipe joint with a guy cable according to the present invention;
FIG. 2 is an exploded schematic view of a preferred embodiment of the rectangular steel pipe node with a guy cable according to the present invention;
FIG. 3 is a schematic structural diagram of a stay cable in a preferred embodiment of the rectangular steel pipe node with the stay cable according to the utility model;
fig. 4 is a schematic top view of the structure shown in fig. 1.
In the figure, 1, a longitudinal rectangular pipe, 2, a transverse rectangular pipe, 3, a cross connecting piece, 4, a pin shaft hole, 5, a pull rope, 7, a pin shaft, 8, a U-shaped connecting piece, 9, an adjusting screw rod and 10, an anchor cup is poured.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 4, in the preferred embodiment, a rectangular steel pipe node with a pull cable includes four rectangular steel pipes and a cross connecting member 3 connecting the four rectangular steel pipes, where the cross connecting member 3 includes a first connecting plate and a second connecting plate arranged in a cross manner, the first connecting plate and the second connecting plate are perpendicularly cross-connected to form a cross structure, the cross structure is formed with four rectangular connecting corners, a rectangular steel pipe is welded in each rectangular connecting corner, and two outer ends of the first connecting plate and the second connecting plate are connected with a pull cable 5.
Two of the four rectangular steel pipes are transverse rectangular pipes 2, and two of the four rectangular steel pipes are longitudinal rectangular pipes 1. The first connecting plate and the second connecting plate are both steel plates. The longitudinal steel pipe and the transverse steel pipe are both cut-off rod pieces, and the longitudinal steel pipe and the transverse steel pipe are cut into connecting joints along intersecting lines of the longitudinal steel pipe and the transverse steel pipe with the cross connecting piece 3 by using a machine in a factory and are connected with the cross connecting piece 3 through full penetration butt welding seams.
Specifically, referring to fig. 2, in this embodiment, the first connecting plate and the second connecting plate each include a middle rectangular connecting plate and a semicircular connecting plate located at both ends of the middle rectangular connecting plate, and the semicircular connecting plate is connected with a cable 5.
Further, referring to fig. 1, the thickness of the semicircular connecting plate is greater than or equal to that of the middle rectangular connecting plate.
Referring to fig. 2, a pin shaft hole 4 for connecting with a pulling cable 5 is formed on the semicircular connecting plate. The connection position of the rectangular steel pipe and the rectangular connection angle is positioned on the middle rectangular connection plate.
The first connecting plate and the second connecting plate are the same in shape and size.
Further, the height of first connecting plate and second connecting plate all is greater than the height of rectangle steel pipe, can improve the joint strength of cross connecting piece 3 on the one hand, and on the other hand can adapt to the construction error of certain degree.
In this embodiment, the thickness of each of the first connecting plate and the second connecting plate is greater than or equal to the thickness of the rectangular steel tube.
Further, the tension degree of the cable 5 is adjustable. Referring to fig. 3, the present embodiment proposes a specific structure: the lock head of the inhaul cable 5 comprises a pouring anchor cup 10 sleeved on a rope of the inhaul cable 5, a U-shaped connecting piece 8 and an adjusting screw rod 9 for connecting the pouring anchor cup 10 and the U-shaped connecting piece 8 to adjust the distance between the pouring anchor cup and the U-shaped connecting piece, and the U-shaped connecting piece 8 is connected with the first connecting plate or the second connecting plate through a pin shaft 7.
The manufacturing process of the rectangular steel pipe joint with the inhaul cable is as follows: the overhanging end of the cross connecting piece 3 is processed in advance in a factory to form a pin shaft hole 4 according to the size of the pin shaft 7. The crossed rectangular pipe nodes are processed and manufactured in a steel structure factory, transported to a construction site, positioned and installed by the tower and the crane, then the stay cable 5 is connected with the cross connecting piece 3, the adjusting screw 9 of the lock head is adjusted, the designed tension degree is reached, and the construction of a single-layer grid structure is completed.
The rectangular steel tube node of taking the cable that this embodiment provided has following beneficial effect:
1. the rectangular steel pipe joint is convenient to construct, high in installation precision and strong in construction error adaptability. A large number of inner partition plates exist in a traditional rectangular steel pipe joint, the welding space is narrow, and construction is difficult. When construction errors occur, the cutting boundary of the pull rod and the boundary line of the rectangular steel pipe are difficult to coincide and match, and a series of reasons such as incapability of welding, poor welding quality and the like can be caused. This rectangle steel pipe node adopts cross connecting piece 3, and the welding seam is all in the open space, and very big improvement construction operation space reduces the welded degree of difficulty, guarantees structure construction quality. The stability can be improved by adopting the inhaul cable 5, firstly, the section size of the diagonal rod is greatly reduced, and the attractiveness of the structure is improved; secondly, the inhaul cable 5 is convenient to connect on site, has strong adaptability to construction errors, and avoids the probability of site waste due to errors in early days; finally, the inhaul cable 5 greatly exerts the material performance and improves the structure economy;
2. the bearing capacity of the node is strong, the force transmission of the component is direct, the safety degree is high, and the mechanical property is good. The rectangular steel pipe node connects the rectangular steel pipe and the inhaul cable 5 together through the middle cross-shaped connecting piece 3, the force transmission among all components of the node is direct and clear, and the bearing capacity and the stability of a single-layer grid structure are further improved;
3. the node has beautiful appearance and strong ornamental value. The node area is small and exquisite, the lighting and modeling influence on the grid area is small, and the appearance is extremely high;
4. the node construction error adaptability is strong. Firstly, the node pull rod adopts adjustable cable 5, and the tapered end of cable 5 contains one section regulation end, has certain regulating power, can better digestion engineering error. Secondly, the height of the cross connecting piece 3 exceeds the rectangular steel pipe by a certain distance, and the cross connecting piece can also adapt to construction errors to a certain degree. The adaptability of the construction error is particularly important for the single-layer grid structure of the complex space curved surface, the possibility of component waste is avoided, and the construction feasibility and the economical efficiency of the single-layer grid structure of the complex space curved surface are greatly improved.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a take rectangle steel pipe node of cable, its characterized in that, includes four rectangle steel pipes and connects the cross connecting piece of four rectangle steel pipes, wherein, the cross connecting piece includes first connecting plate and the second connecting plate that cross set up, and first connecting plate and the perpendicular cross connection of second connecting plate form the cruciform structure, and the cruciform structure is formed with four rectangular connection angles, and the welding has a rectangle steel pipe in each rectangular connection angle, and the end is chosen outward to two of first connecting plate and second connecting plate and all is connected with a cable.
2. The rectangular steel pipe node with the inhaul cable according to claim 1, wherein the first connecting plate and the second connecting plate each comprise a middle rectangular connecting plate and semicircular connecting plates located at two ends of the middle rectangular connecting plate, and the inhaul cable is connected to the semicircular connecting plates.
3. The rectangular steel tube joint with the inhaul cable as recited in claim 2, wherein the thickness of the semicircular connecting plate is greater than or equal to that of the middle rectangular connecting plate.
4. The rectangular steel tube joint with the inhaul cable according to claim 2, wherein a pin shaft hole for connecting with the inhaul cable is formed in the semicircular connecting plate.
5. The rectangular steel pipe node with the inhaul cable according to claim 2, wherein the joints of the rectangular steel pipes and the rectangular connecting corners are located on the middle rectangular connecting plate.
6. The rectangular steel tube node with guy cable of claim 1, wherein the first and second connecting plates are identical in shape and size.
7. The rectangular steel pipe node with the inhaul cable according to claim 1, wherein the height of each of the first connecting plate and the second connecting plate is larger than that of the rectangular steel pipe.
8. The rectangular steel tube node with guy cable of claim 1, wherein the thickness of each of the first connecting plate and the second connecting plate is greater than or equal to the wall thickness of the rectangular steel tube.
9. The rectangular steel tube node with the stay cable according to any one of claims 1 to 8, wherein the tension degree of the stay cable is adjustable.
10. The rectangular steel pipe node with a stay cable of claim 9, wherein the stay cable locking head comprises a casting anchor cup sleeved on the stay cable, a U-shaped connecting member, and an adjusting screw rod connecting the casting anchor cup and the U-shaped connecting member to adjust the distance therebetween, and the U-shaped connecting member is connected with the first connecting plate or the second connecting plate through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121071736.XU CN215483537U (en) | 2021-05-19 | 2021-05-19 | Rectangular steel pipe joint with inhaul cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121071736.XU CN215483537U (en) | 2021-05-19 | 2021-05-19 | Rectangular steel pipe joint with inhaul cable |
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| Publication Number | Publication Date |
|---|---|
| CN215483537U true CN215483537U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121071736.XU Active CN215483537U (en) | 2021-05-19 | 2021-05-19 | Rectangular steel pipe joint with inhaul cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012535A (en) * | 2022-06-16 | 2022-09-06 | 浙江东南网架股份有限公司 | Novel cable-through frame beam-column connecting joint |
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2021
- 2021-05-19 CN CN202121071736.XU patent/CN215483537U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012535A (en) * | 2022-06-16 | 2022-09-06 | 浙江东南网架股份有限公司 | Novel cable-through frame beam-column connecting joint |
| CN115012535B (en) * | 2022-06-16 | 2023-12-29 | 浙江东南网架股份有限公司 | Novel cable-through frame beam column connection node |
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