CN213741642U - Integral KT type connected node structure - Google Patents
Integral KT type connected node structure Download PDFInfo
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- CN213741642U CN213741642U CN202022307839.3U CN202022307839U CN213741642U CN 213741642 U CN213741642 U CN 213741642U CN 202022307839 U CN202022307839 U CN 202022307839U CN 213741642 U CN213741642 U CN 213741642U
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Abstract
The utility model discloses an integral KT type connected node structure, including KT type node, person in charge and a plurality of branch pipes, KT type node includes the root of welding with the person in charge outer wall and fixes, and a plurality of branches that extend outward from the root, branch portion cross-section is the rectangle, and the tip of branch portion is connected with the branch pipe end; the central line of each branch pipe is intersected with the central line of the main pipe; the KT type node is of an internal hollow structure; the root part is formed by enclosing a root part upper cover plate, a root part lower cover plate and two root part side plates; the branch part is enclosed by a branch part upper cover plate, a branch part lower cover plate and two webs. The utility model has the advantages that: KT type node whole atress offsets the back each other with the horizontal force and the vertical power of branch pipe, will join in marriage again and transmit to the person in charge, and is less to being responsible for the atress influence, and the atress is more reasonable, and the atress performance is good.
Description
Technical Field
The utility model relates to a building and bridge structures connected node, concretely relates to integral KT type connected node structure.
Background
Buildings and bridges play an important role in national production and life as important public building structures. The steel truss is used as a structure with higher rigidity, less steel consumption and definite structural stress, and is widely applied to buildings and bridge structures.
The steel truss structure combines one rod piece into a stress whole through connecting nodes, and for the truss structure, the key for determining the stress performance of the steel truss structure is the design and construction of the nodes. The connection structure of the node mainly comprises a spaced connection node and a lap joint connection node, aiming at the two connection nodes, a series of requirements are given in the current steel structure specification, such as the node spacing distance of the spaced node and the lap joint rate of the lap joint node, in the actual engineering, the requirements given in the specification cannot be met due to the limitation of specific engineering conditions, particularly for a KT type node, the stress and the structure of the node are complex, and the design and the manufacturing constraints of the node by the specification requirement are large. Therefore, there is a need for improvements in the prior art.
Disclosure of Invention
An object of the utility model is to prior art not enough, provide an integral KT type node structure that atress performance is good, site operation does not receive concrete engineering condition restriction.
The utility model adopts the technical proposal that: an integral KT-type connecting node structure comprises a KT-type node, a main pipe and a plurality of branch pipes, wherein the KT-type node comprises a root fixedly welded with the outer wall of the main pipe and a plurality of branch parts extending outwards from the root, the cross sections of the branch parts are rectangular, and the end parts of the branch parts are connected with the end parts of the branch pipes; the center line of each branch pipe is intersected with the center line of the main pipe.
According to the scheme, the KT type node is of an internal hollow structure; the root part is formed by enclosing a root part upper cover plate, a root part lower cover plate and two root part side plates, and the two root part side plates are respectively arranged on two sides of the root part upper and lower cover plates and are respectively connected with the root part upper and lower cover plates; the branch part is formed by enclosing a branch part upper cover plate, a branch part lower cover plate and two webs, and the two webs are respectively arranged on two sides of the branch part upper cover plate and the branch part lower cover plate and are respectively connected with the branch part upper cover plate and the branch part lower cover plate; one side of the root upper cover plate and one side of the root lower cover plate and one end of the side plate are respectively matched with the outer wall of the main pipe and are fixedly connected with the outer wall of the main pipe; the upper cover plate, the lower cover plate and the web plate end of the branch part are respectively in butt joint with the end parts of the branch pipes.
According to the scheme, the other side of the root upper cover plate is connected with the upper cover plates of the branch parts to form an integrated upper cover plate, and the other side of the root lower cover plate is connected with the lower cover plates of the branch parts to form an integrated lower cover plate; the web plate of the branch parts positioned at the two sides of the root part is connected with the lateral plate of the root part to form an integrated lateral plate.
According to the scheme, the web plates between the two adjacent branch parts are connected through the arc-shaped sealing plates, and the tops and the bottoms of the sealing plates are flush with the upper cover plate and the lower cover plate respectively.
According to the scheme, two branch web plates on two sides of the root are welded with the top of the upper cover plate and the bottom of the main pipe in an aligning manner; and two branch web plates on two sides of the root are welded with the bottom edges of two sides of the lower cover plate in an aligning way.
According to the scheme, the width of the branch part is equal to that of the connected branch pipe.
According to the scheme, the main pipe is a round steel pipe or a rectangular steel pipe.
The utility model has the advantages that:
1. KT type node whole atress is little to being responsible for stress influence, and the atress is more reasonable, and the atress performance is good: to KT type node, its atress generally is that one of two branch pipes is drawn a pressurized, the less atress mode of well branch pipe atress, and KT type node offsets the back each other with the horizontal force and the vertical power of branch pipe, will join in marriage again and transmit the person in charge, and is less to being responsible for the atress influence.
2. The rod piece is freely connected: the design specifications have related requirements on the spacing distance or the lap joint rate between the branch pipes of the K-type node and the KT-type node when the branch pipes are welded with the main pipe, and the requirements are difficult to meet due to the difference of the pipe diameters and the included angles of the branch pipes and the main pipe in the construction process; and the utility model discloses KT type node can not receive these restraints, and its essence is a branch pipe with a plurality of branch pipe equivalence, and its effort with the person in charge is the resultant force of a plurality of branch pipes.
3. But the mill is prefabricated, reduces on-the-spot welding work load: the KT type node can be welded and manufactured in a factory according to a design drawing, the manufacturing quality is stable, and the field welding workload can be reduced.
4. The utility model discloses simple structure, reasonable in design, whole atress is stable.
Drawings
Fig. 1 is a schematic view of the overall connection according to an embodiment of the present invention.
Fig. 2 is an overall schematic diagram of the KT-type node in this embodiment.
Fig. 3 is a partial structural diagram of a KT-type node in this embodiment.
Fig. 4 is a schematic diagram of splitting a KT-type node in this embodiment.
Wherein: 1. KT type node, 1.1, root; 1.2, branch part; 1.3, an upper cover plate; 1.4, a lower cover plate; 1.5, a web plate; 1.6, sealing plates; 2. a main pipe; 3. and (4) branch pipes.
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and specific examples.
The integral KT-type connecting node structure comprises a KT-type node 1, a main pipe 2 and a plurality of branch pipes 3, wherein the KT-type node 1 comprises a root part 1.1 welded and fixed with the outer wall of the main pipe 2 and a plurality of branch parts 1.2 extending outwards from the root part 1.1, the cross sections of the branch parts 1.2 are rectangular, and the end parts of the branch parts 1.2 are connected with the end parts of the branch pipes 3 in an aligned mode; the centerline of each branch pipe 3 intersects the centerline of the main pipe 2. In this embodiment, the branch pipes 3 are hot-rolled rectangular branch pipes.
Preferably, as shown in fig. 2-4, the KT-type node 1 is of an internal hollow structure; the root part 1.1 is formed by enclosing a root part upper cover plate, a root part lower cover plate and two root part side plates, wherein the two root part side plates are respectively arranged on two sides of the root part upper cover plate and the root part lower cover plate and are respectively connected with the root part upper cover plate and the root part lower cover plate; the branch part 1.2 is formed by enclosing a branch part upper cover plate, a branch part lower cover plate and two webs 1.5, and the two webs 1.5 are respectively arranged on two sides of the branch part upper cover plate and the branch part lower cover plate and are respectively connected with the branch part upper cover plate and the branch part lower cover plate; one side of the root upper cover plate and one side of the root lower cover plate are matched with the outer wall of the main pipe 2 and are fixedly connected with the outer wall of the main pipe 2; the upper cover plate and the lower cover plate of the branch part and the end part of the web plate 1.5 are respectively butted with the end part of the branch pipe 3.
Preferably, the other side of the root upper cover plate is connected with the upper cover plates of the branch parts to form an integrated upper cover plate 1.3, and the other side of the root lower cover plate is connected with the lower cover plates of the branch parts to form an integrated lower cover plate 1.4; the branch parts 1.2 positioned at the two sides of the root part 1.1 are connected with the web plate 1.5 to form an integrated side plate.
Preferably, the web plates 1.5 between the two adjacent branch parts 1.2 are connected by an arc-shaped closing plate 1.6.
In this embodiment, it includes that one is responsible for 2, KT type node 1 and three branch pipe 3 to the node structure, and KT type node 1's root 1.1 welds with being responsible for 2, and KT type node 1 corresponds establishes three branch portion 1.2 (be left limb, well limb and right limb respectively), and each branch portion 1.2 width is as wide as hot rolling branch pipe 3 of being connected, corresponds the welding with branch pipe 3. The main pipe 2 can be a round steel pipe or a rectangular steel pipe; the main pipe 2 is connected with the KT-type node 1 in a mode that the periphery of the main pipe is welded by one circle (the upper cover plate and the lower cover plate of the root and the side plate of the root are welded with the main pipe 2).
As shown in fig. 2 to 3, the KT-type node 1 is provided with three branches 1.2 and two sealing plates 1.6; the root upper cover plate and each branch upper cover plate are connected to form an integrated upper cover plate 1.3, and the root lower cover plate and each branch lower cover plate are connected to form an integrated lower cover plate 1.4; the two branch parts 1.2 are positioned at two sides of the root part 1.1, and a web plate 1.5 of the two branch parts 1.2 is connected with a side plate of the root part to form an integrated side plate; one branch 1.2 is located in the middle of the root 1.1. The extension lines of the midline of the three branch parts 1.2 intersect the center line of the main pipe 2. The web plates 1.5 of the two branch parts 1.2 at the two sides of the root part 1.1 are aligned and welded with the top of the upper cover plate 1.3 and the bottom of the main pipe 2; two webs 1.5 on two sides of the root 1.1 are aligned and welded with the bottom edges on two sides of the lower cover plate 1.4, and bear the stress of the integral node together. The upper edge of the web plate 1.5 of the branch part 1.2 positioned at the middle part is 10-20 mm away from the upper edge of the upper cover plate 1.3, and the upper edge is not contacted with the web plates 1.5 of other branch parts 1.2 and is not connected by welding. A sealing plate 1.6 is arranged between the two adjacent branch parts 1.2, and the top and the bottom of the sealing plate 1.6 are respectively flush with the upper cover plate and the lower cover plate; shrouding 1.6 adopts the sheet steel of radius 50mm to make, and its main function is right the node structure seals, prevents that rainwater etc. from getting into, can increase the pleasing to the eye effect of integral node simultaneously.
In this embodiment, the shape and cross-sectional configuration of each of the caps and webs 1.5 is determined by the particular configuration of the parent pipe 2 and branch pipe 3.
The utility model discloses a welding process as follows:
1) the web plate 1.5 of each branch part 1.2 is welded with the lower cover plate 1.4;
2) welding the KT-type node 1 and the main pipe 2 through two side plates;
3) welding an upper cover plate 1.3;
4) the branch pipe 3 is welded to the branch part 1.2.
It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. An integral KT-type connecting node structure is characterized by comprising a KT-type node, a main pipe and a plurality of branch pipes, wherein the KT-type node comprises a root fixedly welded with the outer wall of the main pipe and a plurality of branch parts extending outwards from the root, the cross sections of the branch parts are rectangular, and the end parts of the branch parts are connected with the end parts of the branch pipes; the center line of each branch pipe is intersected with the center line of the main pipe.
2. The integral KT-type connection node structure of claim 1, wherein the KT-type node is an internal hollow structure; the root part is formed by enclosing a root part upper cover plate, a root part lower cover plate and two root part side plates, and the two root part side plates are respectively arranged on two sides of the root part upper and lower cover plates and are respectively connected with the root part upper and lower cover plates; the branch part is formed by enclosing a branch part upper cover plate, a branch part lower cover plate and two webs, and the two webs are respectively arranged on two sides of the branch part upper cover plate and the branch part lower cover plate and are respectively connected with the branch part upper cover plate and the branch part lower cover plate; one side of the root upper cover plate and one side of the root lower cover plate and one end of the side plate are respectively matched with the outer wall of the main pipe and are fixedly connected with the outer wall of the main pipe; the upper cover plate, the lower cover plate and the web plate end of the branch part are respectively in butt joint with the end parts of the branch pipes.
3. The integral KT-type connecting node structure of claim 2, wherein the other side of the root upper cover plate is connected with each of the leg upper cover plates to form an integral upper cover plate, and the other side of the root lower cover plate is connected with each of the leg lower cover plates to form an integral lower cover plate; the web plate of the branch parts positioned at the two sides of the root part is connected with the lateral plate of the root part to form an integrated lateral plate.
4. An integral KT-type connecting node structure as defined in claim 3 wherein the webs between adjacent legs are connected by arcuate sealing plates having top and bottom portions flush with the upper and lower cover plates respectively.
5. The integral KT-type connecting node structure of claim 3, wherein two web branches at both sides of the root are welded in alignment with the top of the upper cover plate and the bottom of the main pipe; and two branch web plates on two sides of the root are welded with the bottom edges of two sides of the lower cover plate in an aligning way.
6. An integral KT-type connection node structure as set forth in claim 3 wherein said leg width is the same as the connected leg width.
7. An integral KT-type connection node structure as claimed in claim 2, wherein the main pipe is a round steel pipe or a rectangular steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022307839.3U CN213741642U (en) | 2020-10-16 | 2020-10-16 | Integral KT type connected node structure |
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| CN202022307839.3U CN213741642U (en) | 2020-10-16 | 2020-10-16 | Integral KT type connected node structure |
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| CN213741642U true CN213741642U (en) | 2021-07-20 |
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| CN202022307839.3U Active CN213741642U (en) | 2020-10-16 | 2020-10-16 | Integral KT type connected node structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718624A (en) * | 2021-09-18 | 2021-11-30 | 中交第二公路勘察设计研究院有限公司 | Combined truss node structure, bridge and construction method |
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2020
- 2020-10-16 CN CN202022307839.3U patent/CN213741642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718624A (en) * | 2021-09-18 | 2021-11-30 | 中交第二公路勘察设计研究院有限公司 | Combined truss node structure, bridge and construction method |
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