CN210767232U - Mortise and tenon joint type node of socket joint space grid structure and space grid structure - Google Patents
Mortise and tenon joint type node of socket joint space grid structure and space grid structure Download PDFInfo
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- CN210767232U CN210767232U CN201921119352.3U CN201921119352U CN210767232U CN 210767232 U CN210767232 U CN 210767232U CN 201921119352 U CN201921119352 U CN 201921119352U CN 210767232 U CN210767232 U CN 210767232U
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- mortise
- ring body
- hub ring
- tenon
- joint
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Abstract
The utility model provides a socket joint connects space lattice structure's mortise type node and space lattice structure, this mortise type node, includes: the side wall of the hub ring body is provided with a plurality of mortise slots, and the hub ring body is provided with a central hole penetrating through the upper surface and the lower surface of the hub ring body; the tenon is arranged at one end of the beam and connected in the mortise of the hub ring body; and a fixing member for fixing the hub ring body and the beam through the central hollow hole to prevent the beam from sliding out of the hub ring body in a vertical direction. The utility model has the characteristics of simple structure, convenient processing and installation, and clear and reliable force transmission; and the space grid steel structure which is reasonable in cost, reliable in quality and convenient to maintain can be provided in a labor-saving and time-saving manner.
Description
Technical Field
The utility model belongs to the technical field of building structure engineering, especially, relate to a mortise type node and space grid structure of socket joint connection space grid structure.
Background
Mortise-tenon joint (dovetail) is a common connected mode in the china timber structure, the utility model discloses plan to be applied to space grid structure with it, form the space grid node of a neotype mortise-tenon joint steel pipe or I-steel.
Professor l.c.urquhart at cornell university says: "modern structural engineers build more economical structures by gradually improving the structural design methods and the structures using high strength materials. "it can also be said that low cost and high quality are the most important goals of modern structural engineering. In the last 30 years, the spatial grid steel structure in China has been rapidly developed, and for the spatial grid structure, the mechanical property of the node is a decisive factor of the structure safety.
At present, the nodes commonly used in the space grid structure can be divided into a welding node and an assembly node. Bolt connection type nodes in the assembly type are most commonly used, but sometimes the assembly structure is complex, the cost is high, and the assembly time is long. In order to reach the high-quality purpose of low-cost, the utility model provides a novel socket joint connects space lattice structure's mortise-tenon joint formula node. The mortise-tenon joint concept is mainly used for wood structures, and is also used for steel pipe scaffolds at present, but is not applied to space grid structures yet. The mortise-tenon joint structure and the stress principle of the novel socket joint connection space grid structure are simple, the bearing capacity is high, the structure is approximately in rigid connection, the economic benefit is better than that of a common assembly type node, the assembly time is short, and the structure is advantageous when being introduced into a space grid node system.
SUMMERY OF THE UTILITY MODEL
In view of the above, one of the main objects of the present invention is to provide a mortise and tenon type node and a space grid structure for socket connection of space grid structures, so as to at least partially solve at least one of the above technical problems.
In order to achieve the above object, the utility model provides a socket joint space lattice structure's mortise and tenon joint formula node, include:
the side wall of the hub ring body is provided with a plurality of mortise slots, and the hub ring body is provided with a central hole penetrating through the upper surface and the lower surface of the hub ring body;
the tenon is arranged at one end of the beam and connected in the mortise of the hub ring body; and
and the fixing component can fix the hub ring body and the beam through the central hollow hole to prevent the beam from sliding out of the hub ring body in the vertical direction.
As another aspect of the utility model provides a space grid structure still, it has as above to contain in the space grid structure tenon fourth of the twelve earthly branches formula node.
According to the above technical scheme, the utility model discloses a socket joint connects space lattice structure's mortise type node and space lattice structure has one of following advantage at least for prior art:
1. the utility model has the characteristics of simple structure, convenient processing and installation, and clear and reliable force transmission;
2. the utility model discloses a mortise type node can save labour the time and provide the space net steel construction with reasonable, the reliable, the maintenance of being convenient for of cost.
Drawings
Fig. 1-1 is a schematic view of an assembly explosion structure of a mortise and tenon joint according to a first embodiment of the present invention;
FIG. 1-2 is a schematic top view of the structure of FIG. 1-1;
FIGS. 1-3 are schematic cross-sectional views of FIGS. 1-1;
FIGS. 1-4 are schematic views of the tenon of FIGS. 1-1;
FIGS. 1-5 are schematic cross-sectional views of the tubular beam of FIGS. 1-1;
fig. 1 to 6 are schematic perspective views of mortise and tenon type nodes according to a first embodiment of the present invention;
FIGS. 1-7 are cross-sectional views of the hub ring of FIGS. 1-1;
FIGS. 1-8 are schematic perspective views of the hub ring of FIGS. 1-1;
FIGS. 1-9 are schematic views of the gasket of FIGS. 1-1;
fig. 2-1 is an assembly explosion structure schematic diagram of a mortise and tenon joint according to a second embodiment of the present invention;
FIG. 2-2 is a schematic top view of the structure of FIG. 2-1;
FIG. 2-3 is a schematic cross-sectional view of the structure of FIG. 2-1;
fig. 2-4 are schematic top views of mortise and tenon type nodes according to a second embodiment of the present invention;
2-5 are schematic views of the hexagonal spacer of FIG. 2-1;
2-6 are cross-sectional views of the hub ring of FIG. 2-1;
2-7 are perspective views of the hub ring of FIG. 2-1;
fig. 2-8 are schematic perspective views of the H-beam in fig. 2-1.
In the above figures, the reference numerals are as follows:
1-a hub ring; 2-tenon; 3-a circular tubular beam; 4-cover gasket; 5-bolt; 6-a gasket; 7-a nut; 8-mortise slot; 9-a hub ring; 10-H beam; 11-hexagonal gasket; 12-a tenon; 13-central void.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses a mortise and tenon joint formula node, include:
the side wall of the hub ring body is provided with a plurality of mortise slots, and the hub ring body is provided with a central hole penetrating through the upper surface and the lower surface of the hub ring body;
the tenon is arranged at one end of the beam and connected in the mortise of the hub ring body; and
and the fixing component can fix the hub ring body and the beam through the central hollow hole to prevent the beam from sliding out of the hub ring body in the vertical direction.
The mortise is a dovetail groove, and the narrow end of the dovetail groove is arranged at one end far away from the center of the hub ring body.
Wherein, a plurality of mortise slots are evenly distributed on the side wall of the hub ring body.
Wherein, the number of the mortise slots is 4, 6 or 9.
The width of the mortise slot is greater than that of the tenon.
The hub ring body is made of steel or aluminum alloy.
The hub ring body is provided with an arc-shaped groove, and the arc-shaped groove is arranged between two adjacent mortise grooves.
Wherein, the beam comprises an H-shaped or circular tube type;
one end of the H-shaped beam close to the tenon is wedge-shaped.
Wherein the fixing member includes:
at least two gaskets, which are respectively arranged at the top and the bottom of the hub ring body and are used for preventing the tenon from being separated from the mortise in the vertical direction;
the bolt penetrates through the central cavity to fix the hub ring body and the beam;
wherein the fixing member further comprises a washer for reinforcing the connection;
wherein, the gasket comprises a cross shape or a hexagon shape.
The utility model also discloses a space grid structure, it has as above to contain in the mortise type node.
The technical solution of the present invention is further explained by the following specific embodiments with reference to the attached drawings. It should be noted that the following specific examples are only illustrative, and the scope of the present invention is not limited thereto.
In the first embodiment of the present invention, the mortise and tenon joint structure of the socket joint space lattice structure mainly includes a hub ring 1 with four mortise slots, a tenon 2 of a circular pipe beam, a circular pipe beam 3, upper and lower large gaskets 4, high-strength bolts 5 connecting the upper and lower gaskets at the center, upper and lower small gasket washers 6, high-strength bolt and nut 7 connecting the upper and lower gaskets at the center, and mortise slots 8 of the hub ring, as shown in fig. 1-1 to fig. 1-9.
In a second embodiment of the present invention: the mortise and tenon joint of the socket joint space grid structure mainly comprises a hub ring 9 with six mortise slots, six H-shaped steel beams 10 with tenons, a hexagonal gasket 11, tenons 12 of the H-shaped steel beams, upper and lower large gaskets 4, a high-strength bolt 5 connecting the upper and lower gaskets at the center, upper and lower small gaskets 6, high-strength bolt nuts 7 connecting the upper and lower gaskets at the center and mortise slots 8 of the hub ring, as shown in fig. 2-1 to fig. 2-8.
In some embodiments of the present invention, the hub ring bodies of the mortise and tenon type node can be divided into two types, i.e., a node hub ring body with four mortise slots (as shown in fig. 1 to 7 and fig. 1 to 8) and a node hub ring body with six mortise slots (as shown in fig. 2 to 6 and fig. 2 to 7); the node beam can be a round tube beam (shown in figures 1-5) or an H-shaped beam (shown in figures 2-8); the tenon of node roof beam can be divided into two kinds: a round tube common tenon (shown in figures 1-4 and 1-5) and a common tenon of an H-shaped beam (shown in figures 2-8); the mortise of the hub ring body of the node can be divided into two types, namely a hub ring body with four concave dovetail grooves (shown in figures 1-7 and 1-8) and a hub ring body with six concave dovetail grooves (shown in figures 2-2, 2-6 and 2-7); the upper gasket and the lower gasket of the node can be divided into two types, namely a cross gasket (shown in figures 1-9) and a hexagonal gasket (shown in figures 2-5); other parts of the node comprise a bolt, a nut of the bolt and a small washer, and are determined according to the design requirement of the node if no special requirement exists.
The mortise and tenon joint type nodes of the socket connection space grid structure adopt a socket connection concept, as shown in figures 1-1 and 2-1. After the ring welding casting (tenon) and the circular tube or the H-shaped beam are ring welded, the hub ring body of the node and the beam can be connected together. Each tenon of the node may be inserted into a mortise of the hub body of the node one by one, in a manner such that the combination of the tenon and mortise dovetail prevents horizontal displacement of the beam (as shown in fig. 1-6 and 2-2). In order to prevent the beam from being pulled out, after the tenon is inserted into the mortise slot dovetail, the bolt penetrates through the centers of the upper and lower large gaskets and the center of the small gasket which are arranged at the two ends of the joint of the tenon and the mortise slot dovetail, and then the two ends are connected by the bolt and the nut (as shown in figures 1-2 and 2-4) so as to restrain the vertical displacement of the beam (as shown in figures 1-3 and 2-3). In order to ensure the fault tolerance of the design, the mortise and tenon of the hub ring body is a little larger than that of the beam, and the installation requirement can refer to the specification of the single-layer reticulated shell embedded hub node. Because the shape of the mortise-tenon joint of the novel socket joint connection space grid structure is special, the joint should be made of high-yield-strength steel to form a hub ring body, a tenon component, a bolt and a nut, such as steel Q345, and the beam and the gasket of the joint can be made of common steel.
The control parameters to be considered in the design of the mortise and tenon joint type nodes of the novel socket joint connection space grid structure comprise: the thickness of the hub ring wall, the outer diameter of the hub ring body, the heights of the hub ring body and the tenon, the tenon shape, the maximum and minimum widths of the tenon, the depth of the mortise dovetail, the number of the mortise dovetails of the hub ring body and the adopted materials.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a socket joint connects space lattice structure's mortise type node which characterized in that includes:
the side wall of the hub ring body is provided with a plurality of mortise slots, and the hub ring body is provided with a central hole penetrating through the upper surface and the lower surface of the hub ring body;
the tenon is arranged at one end of the beam and connected in the mortise of the hub ring body; and
and the fixing component can fix the hub ring body and the beam through the central hollow hole to prevent the beam from sliding out of the hub ring body in the vertical direction.
2. The mortise and tenon joint of claim 1, wherein,
the mortise is a dovetail groove, and the narrow end of the dovetail groove is arranged at one end far away from the center of the hub ring body.
3. The mortise and tenon joint of claim 1, wherein,
and a plurality of mortise slots are uniformly distributed on the side wall of the hub ring body.
4. The mortise and tenon joint of claim 1, wherein,
the number of the mortise slots is 4, 6 or 9.
5. The mortise and tenon joint of claim 1, wherein,
the width of the mortise slot is greater than that of the tenon.
6. The mortise and tenon joint of claim 1, wherein,
the hub ring body is made of steel or aluminum alloy.
7. The mortise and tenon joint of claim 1, wherein,
the hub ring body is provided with arc-shaped grooves, and the arc-shaped grooves are arranged between two adjacent mortise slots.
8. The mortise and tenon joint of claim 1, wherein,
the beam comprises an H-shaped or round tube type;
one end of the H-shaped beam close to the tenon is wedge-shaped.
9. The mortise and tenon joint of claim 1, wherein,
the fixing member includes:
at least two gaskets, which are respectively arranged at the top and the bottom of the hub ring body and are used for preventing the tenon from being separated from the mortise in the vertical direction;
the bolt penetrates through the central cavity to fix the hub ring body and the beam;
the fixing part further comprises a gasket for reinforcing the connection;
the gasket comprises a cross shape or a hexagon shape.
10. A space lattice structure comprising mortise and tenon type nodes according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119352.3U CN210767232U (en) | 2019-07-17 | 2019-07-17 | Mortise and tenon joint type node of socket joint space grid structure and space grid structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119352.3U CN210767232U (en) | 2019-07-17 | 2019-07-17 | Mortise and tenon joint type node of socket joint space grid structure and space grid structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210767232U true CN210767232U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921119352.3U Expired - Fee Related CN210767232U (en) | 2019-07-17 | 2019-07-17 | Mortise and tenon joint type node of socket joint space grid structure and space grid structure |
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| CN (1) | CN210767232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258806A (en) * | 2019-07-17 | 2019-09-20 | 天津大学 | The mortise and tenon type node and spatial mesh structure of socket joint connection space network |
-
2019
- 2019-07-17 CN CN201921119352.3U patent/CN210767232U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258806A (en) * | 2019-07-17 | 2019-09-20 | 天津大学 | The mortise and tenon type node and spatial mesh structure of socket joint connection space network |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |