CN211080545U - Full bolted connection node of girder steel - Google Patents
Full bolted connection node of girder steel Download PDFInfo
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- CN211080545U CN211080545U CN201920697156.8U CN201920697156U CN211080545U CN 211080545 U CN211080545 U CN 211080545U CN 201920697156 U CN201920697156 U CN 201920697156U CN 211080545 U CN211080545 U CN 211080545U
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Abstract
The utility model relates to a architectural design and construction technical field specifically disclose an all-bolt connected node of girder steel, including first girder steel, second girder steel and connection structure, the first end of first girder steel sets up with the second end of second girder steel relatively, and connection structure includes coupling assembling and connecting bolt, and coupling assembling fixed connection is in first end and second end, and connecting bolt fixed connection is in first end, coupling assembling and second end. By adopting the mode, the two steel beams are connected without welding, but are all fixedly connected by the bolts, under the condition of connection, the nuts fixedly connected with the bolts can be arranged in advance when the steel beams are prefabricated in a factory, the site construction process can be reduced, and the thermal shrinkage deformation of the steel beams and the potential quality hazard possibly generated by welding seams caused by welding can be avoided. In addition, when the connecting bolt adopts ordinary bolt, can satisfy two girder steels and dismantle the back strange land and remount to carry out reuse.
Description
Technical Field
The utility model relates to an architectural design and construction technical field especially relate to an all-bolt connected node of girder steel.
Background
In the existing national standard, a bolted welding connection node is adopted for connecting two steel beams with box-shaped sections, and the main construction method of the node structure is as follows: the method comprises the steps of firstly arranging a mounting connecting plate and a mounting bolt at the end part of one steel beam, firstly connecting the other steel beam to the mounting bolt for temporary fixation, after the mounting steel beam is adjusted to be in place, firstly carrying out penetration welding on webs of the two steel beams, then carrying out penetration welding on bottom plates of the two steel beams, and finally carrying out penetration welding on cover plates of the two steel beams. However, the prior art has the following problems: the field process is more, after the temporary mounting bolt is fixed, welding is needed, and the field workload is larger; the welding length of the box-shaped section is long, so that the welding thermal shrinkage deformation of the steel beam is easily caused, and the construction and installation precision is influenced; the welding seams are penetration welding seams, and the welding seam detection requirement is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a full bolted connection node of girder steel, reducible on-the-spot construction process improves site efficiency to and avoid the quality hidden danger that the girder steel pyrocondensation that the welding leads to warp and the welding seam probably produces.
In order to realize above-mentioned purpose, the embodiment of the utility model discloses full bolted connection node of girder steel, include:
the first steel beam comprises a first end part, the second steel beam comprises a second end part, and the first end part and the second end part are arranged oppositely; and the number of the first and second groups,
connection structure, connection structure includes coupling assembling and connecting bolt, coupling assembling fixed connection in first end with the second tip, connecting bolt fixed connection in first end coupling assembling reaches the second tip.
As an optional implementation manner, in an embodiment of the present invention, the first steel beam and the second steel beam are box-shaped steel beams, the first end portion includes a first cover plate and a first bottom plate that are oppositely disposed, and a first web and a second web that are connected to the first cover plate and the first bottom plate and are oppositely disposed, and the second end portion includes a second cover plate and a second bottom plate that are oppositely disposed, and a third web and a fourth web that are connected to the second cover plate and the second bottom plate and are oppositely disposed;
the connecting assembly comprises a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate, the second cover plate is arranged opposite to the first cover plate, the first connecting plate is fixedly connected to the first cover plate and the second cover plate, the second bottom plate is arranged opposite to the first bottom plate, the second connecting plate is fixedly connected to the first bottom plate and the second bottom plate, the third web is arranged opposite to the first web, the third connecting plate is fixedly connected to the first web and the third web, the fourth web is arranged opposite to the second web, and the fourth connecting plate is fixedly connected to the second web and the fourth web;
the connecting bolt comprises a first bolt, a second bolt, a third bolt and a fourth bolt, wherein the first bolt is fixedly connected with the first connecting plate and fixedly connected with the first cover plate and the second cover plate, the second bolt is fixedly connected with the second connecting plate and fixedly connected with the first bottom plate and the second bottom plate, the third bolt is fixedly connected with the third connecting plate and fixedly connected with the first web and the third web and the fourth bolt is fixedly connected with the fourth connecting plate and fixedly connected with the second web and the fourth web.
As an optional implementation manner, in the embodiment of the present invention, the first cover plate and the second cover plate are attached to two opposite sides of the first connecting plate, the first bottom plate and the second bottom plate are attached to two opposite sides of the second connecting plate, the first web and the third web are attached to two opposite sides of the third connecting plate, and the second web and the fourth web are attached to two opposite sides of the fourth connecting plate.
As an optional implementation manner, in the embodiment of the present invention, the connection node further includes a first supporting structure and a second supporting structure, the first supporting structure is fixedly disposed on the end surface of the first end portion, the second supporting structure is fixedly disposed on the end surface of the second end portion, and the first supporting structure abuts against the second supporting structure.
As an optional implementation manner, in an embodiment of the present invention, the first supporting structure includes a first end plate and a first supporting plate vertically disposed on the first end plate and extending forward from the first end plate, and the first end plate is fixedly disposed on the end surface of the first end portion; and the number of the first and second groups,
the second supporting structure comprises a second end plate and a second supporting plate which is vertically arranged on the second end plate and extends forwards from the second end plate, the second end plate is fixedly arranged on the end face of the second end part, and the lower surface of the second supporting plate is abutted to the upper surface of the first supporting plate.
As an optional implementation manner, in the embodiment of the present invention, the first supporting structure further includes a plurality of first stiffening ribs, and the plurality of first stiffening ribs are disposed at intervals and connected to the first supporting plate and the first end plate; the second supporting structure further comprises a plurality of second stiffening ribs, and the plurality of second stiffening ribs are arranged at intervals and connected to the second supporting plate and the second end plate.
As an optional implementation manner, in the embodiment of the present invention, the first cover plate, the first bottom plate, the first web, and the second web enclose and form a first cavity, the first end plate covers the first cavity, and the first end plate is provided with a first through hole communicated to the first cavity;
the second cover plate, the second bottom plate, the third web plate and the fourth web plate enclose to form a second cavity, the second end plate covers the second cavity, and a second through hole communicated to the second cavity is formed in the second end plate.
As an optional implementation manner, in an embodiment of the present invention, a first inner lining plate attached to the first cover plate, the first bottom plate, the first web plate, and the second web plate respectively is disposed in the first cavity; and the number of the first and second groups,
and second inner lining plates respectively attached to the second cover plate, the second bottom plate, the third web plate and the fourth web plate are arranged in the second cavity.
As an optional implementation manner, in the embodiment of the present invention, the connection structure further includes a first nut, a second nut, a third nut, and a fourth nut respectively connected to the first bolt, the second bolt, the third bolt, and the fourth bolt in a fitting manner.
Compared with the prior art, the utility model discloses a full bolted connection node of girder steel has following beneficial effect:
the utility model provides a full bolted connection node of girder steel, through setting up the connected node including first girder steel, second girder steel and connection structure, first girder steel includes the first end, and the second girder steel includes the second tip, and the first end sets up with the second tip relatively, and connection structure includes coupling assembling and connecting bolt, and coupling assembling fixed connection is in first end and second tip, and connecting bolt fixed connection is in first end, coupling assembling and second tip. By adopting the mode, the two steel beams are connected without welding, but are all fixedly connected by the bolts, and under the condition of connection, the nuts fixedly connected with the bolts can be arranged in advance when the steel beams are prefabricated in a factory, so that the site construction process can be reduced, the site efficiency is improved, the construction period is saved, and the thermal shrinkage deformation of the steel beams and the potential quality hazard possibly generated by welding seams caused by welding can be avoided. In addition, when connecting bolt adopted ordinary bolt, can satisfy two girder steels and dismantle the back strange land and remount for the girder steel can carry out reuse.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a connection node according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a connection node according to an embodiment of the present invention;
fig. 3 is an exploded view of a connection node according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a connection structure of a connection node according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
FIG. 6 is an exploded view of a prefabricated first steel beam of the first embodiment of the present invention;
FIG. 7 is a schematic structural view of a prefabricated first steel beam of the connection node according to the first embodiment of the present invention;
FIG. 8 is an exploded view of a prefabricated second steel girder of the connection node according to the first embodiment of the present invention;
fig. 9 is a schematic structural view of a prefabricated second steel beam of the connection node according to the first embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
The utility model discloses a full bolted connection node of girder steel, reducible on-the-spot construction process improves site efficiency to and avoid the quality hidden danger that the girder steel pyrocondensation that the welding leads to warp and the welding seam probably produces.
The technical solution of the present invention will be further described with reference to the following embodiments and the accompanying drawings.
Please refer to fig. 1 to 4 together, an embodiment of the present invention provides a full bolt connection node of steel beam, including first steel beam 1, second steel beam 2 and connection structure 3, first steel beam 1 includes first end 11, second steel beam 2 includes second end 21, first end 11 sets up with second end 21 relatively, connection structure 3 includes coupling assembling 31 and connecting bolt 32, coupling assembling 31 fixed connection is in first end 11 and second end 21, connecting bolt 32 fixed connection is in first end 11, coupling assembling 31 and second end 21. By adopting the mode, the two steel beams are connected without welding, but are all fixedly connected by the bolts, and under the condition of connection, the nuts fixedly connected with the bolts can be arranged in advance when the steel beams are prefabricated in a factory, so that the site construction process can be reduced, the site efficiency is improved, the construction period is saved, and the thermal shrinkage deformation of the steel beams and the potential quality hazard possibly generated by welding seams caused by welding can be avoided.
Because the stress of the connecting bolt 32 is mainly shear force basically, the connecting bolt 32 can adopt a high-strength bolt or a common bolt, and when the connecting bolt 32 adopts the common bolt, the connecting bolt can meet the requirement that two steel beams are remounted after being disassembled, so that the steel beams can be reused. The selection of the connecting bolt 32 may be determined according to the actual stress condition of the connecting bolt or the use characteristics of the steel beam, and is not limited herein.
Referring to fig. 1, 3, 4, 5, 6 and 7, in the present embodiment, the first steel beam 1 and the second steel beam 2 are each a box-shaped steel beam, the first end portion 11 includes a first cover plate 111 and a first base plate 112 that are oppositely disposed, and a first web 113 and a second web 114 that are connected to the first cover plate 111 and the first base plate 112 and are oppositely disposed, and the second end portion 21 includes a second cover plate 211 and a second base plate 212 that are oppositely disposed, and a third web 213 and a fourth web 214 that are connected to the second cover plate 211 and the second base plate 212 and are oppositely disposed. In order to enhance the connection strength between the connection assembly 31 and the first end portion 11 and the second end portion 21, the connection assembly 31 includes a first connection plate 311, a second connection plate 312, a third connection plate 313 and a fourth connection plate 314, the second cover plate 211 is disposed opposite to the first cover plate 111, the first connection plate 311 is fixedly connected to the first cover plate 111 and the second cover plate 211, the second base plate 212 is disposed opposite to the first base plate 112, the second connection plate 312 is fixedly connected to the first base plate 112 and the second base plate 212, the third web 213 is disposed opposite to the first web 113, the third connection plate 313 is fixedly connected to the first web 113 and the third web 213, the fourth web 214 is disposed opposite to the second web 114, and the fourth connection plate 314 is fixedly connected to the second web 114 and the fourth web 214.
Further, the connecting bolt 32 includes a first bolt 321, a second bolt 322, a third bolt 323, and a fourth bolt 324, the first bolt 321 is fixedly connected to the first connecting plate 311 and fixedly connected to the first cover plate 111 and the second cover plate 211, so that the first cover plate 111 is fixedly connected to the second cover plate 211; the second bolt 322 is fixedly connected to the second connecting plate 312 and fixedly connected to the first bottom plate 112 and the second bottom plate 212, so that the first bottom plate 112 and the second bottom plate 212 are fixedly connected; the third bolt 323 is fixedly connected to the third connecting plate 313 and fixedly connected to the first web 113 and the third web 213, so that the first web 113 and the third web 213 are fixedly connected; and a fourth bolt 324 is fixedly connected to the fourth connecting plate 314 and the second web 114 and the fourth web 214, so that the second web 114 and the fourth web 214 are fixedly connected. The first bolt 321, the second bolt 322, the third bolt 323, and the fourth bolt 324 may be the same bolt to facilitate preparation and use of raw materials, and the connecting bolt 32 vertically penetrates through each connecting plate of the connecting assembly 31 (as shown in fig. 5, a partially enlarged schematic view of the structure in which the second bolt 322 is connected to the second connecting plate 312).
Preferably, the first cover plate 111 and the second cover plate 211 are attached to opposite surfaces of the first connection plate 311, the first base plate 112 and the second base plate 212 are attached to opposite surfaces of the second connection plate 312, the first web 113 and the third web 213 are attached to opposite surfaces of the third connection plate 313, and the second web 114 and the fourth web 214 are attached to opposite surfaces of the fourth connection plate 314, so as to increase a connection area between the connection assembly 31 and the first end portion 11 and the second end portion 21, thereby increasing connection strength.
Referring to fig. 3, 6, 7, 8 and 9, in this embodiment, in order to achieve the fast positioning and the preliminary fixing when the first steel beam 1 and the second steel beam 2 are connected, the connection node further includes a first support structure 4 and a second support structure 5, the first support structure 4 is fixedly disposed on the end surface of the first end portion 11, the second support structure 5 is fixedly disposed on the end surface of the second end portion 21, and when the first steel beam 1 and the second steel beam 2 are required to be fixedly connected, the first support structure 4 can be abutted against the second support structure 5, so that the center lines of the first steel beam 1 and the second steel beam 2 are located at the same horizontal height, thereby achieving the preliminary positioning and fixing. After the first supporting structure 4 abuts against the second supporting structure 5, the steel beam can be moved for fine adjustment so that the first end portion 11 is completely aligned with the second end portion 21, and therefore the installation accuracy of the first steel beam 1 and the second steel beam 2 is improved. In addition, the setting of first bearing structure 4 and second bearing structure 5 can also increase the intensity of first girder steel 1 and second girder steel 2 to avoid first girder steel 1 and second girder steel 2 to take place to warp when atress or being heated.
Further, the first supporting structure 4 includes a first end plate 41 fixed to the end surface of the first end portion 11 to fix the first supporting structure 4 to the first end portion 11, and a first supporting plate 42 vertically disposed on the first end plate 41 and extending forward from the first end plate 41. The second supporting structure 5 includes a second end plate 51 fixed to the end surface of the second end portion 21 to fix the second supporting structure 5 to the second end portion 21, and a second supporting plate 52 vertically disposed on the second end plate 51 and extending forward from the second end plate 51. The lower surface of the second support plate 52 abuts the upper surface of the first support plate 42 to effect the abutment of the first and second support structures 4, 5. Specifically, the first end plate 41 and the second end plate 51 are both rectangular plates, the first support plate 42 and the second support plate 52 are also rectangular plates, and the first support plate 42 and the second support plate 52 are respectively disposed at positions of the first end plate 41 and the second end plate 51 near the upper portions so as to be connected to the first steel beam 1 and the second steel beam 2.
Further, in order to increase the supporting strength of the first and second supporting plates 42 and 52, the first supporting structure 4 further includes a plurality of first stiffeners 43, the plurality of first stiffeners 43 are disposed at intervals and connected to the first supporting plate 42 and the first end plate 41, and the second supporting structure 5 further includes a plurality of second stiffeners 53, and the plurality of second stiffeners 53 are disposed at intervals and connected to the second supporting plate 52 and the second end plate 51. Since the lower surface of the second support plate 52 abuts against the upper surface of the first support plate 42, the plurality of first stiffening ribs 43 are connected to the lower surface of the first support plate 42, and the plurality of second stiffening ribs 53 are connected to the upper surface of the second support plate 52.
In this embodiment, since first steel beam 1 and second steel beam 2 are box-shaped steel beams, first cover plate 111, first bottom plate 112, first web 113 and second web 114 enclose to form a first cavity, and first end plate 41 covers the first cavity, that is, first end plate 41 is connected to the end surfaces of first cover plate 111, first bottom plate 112, first web 113 and second web 114, so as to connect first end plate 41 to the end surface of first end portion 11. The second cover plate 211, the second bottom plate 212, the third web 213 and the fourth web 214 enclose a second cavity, and the second end plate 51 covers the second cavity, that is, the second end plate 51 is connected to the end surfaces of the second cover plate 211, the second bottom plate 212, the third web 213 and the fourth web 214, so as to connect the second end plate 51 to the end surface of the second end portion 21.
Furthermore, since the first end portion 11 and the second end portion 21 are formed as a hollow cavity, in order to enhance the strength of the first end portion 11 and the second end portion 21, a first lining plate 6 respectively attached to the first cover plate 111, the first base plate 112, the first web 113 and the second web 114 is disposed in the first hollow cavity, a second lining plate 7 respectively attached to the second cover plate 211, the second base plate 212, the third web 213 and the fourth web 214 is disposed in the second hollow cavity, and the tail ends of the first bolt 321, the second bolt 322, the third bolt 323 and the fourth bolt 324 respectively penetrate through the first lining plate 6 and the second lining plate 7. It is understood that when the strength of the first end portion 11 and the second end portion 21 is sufficiently large, the first end portion 11 and the second end portion 21 may not be provided with the lining plate, and the lining plate is exemplified in the first cavity and the second cavity in the present embodiment.
In the present embodiment, the connection structure 3 further includes a first nut (not shown), a second nut (not shown), a third nut (not shown), and a fourth nut (not shown) respectively coupled to the first bolt 321, the second bolt 322, the third bolt 323, and the fourth bolt 324, wherein the first nut, the second nut, the third nut, and the fourth nut are attached to the lining plate 6 and respectively screwed to the first bolt 321, the second bolt 322, the third bolt 323, and the fourth bolt 324.
Further, since the first end plate 41 covers the first cavity, in order to adjust the nut located in the first cavity after the first cavity of the first end portion 11 is covered, the first end plate 41 is provided with a first through hole 411 communicated to the first cavity; similarly, since the second end plate 51 covers the second cavity, the second end plate 51 is provided with a second through hole 511 communicating with the second cavity. Preferably, the first through hole 411 and the second through hole 511 are circular holes with a certain radius, so that a constructor can conveniently extend an arm into the first cavity and the first cavity for adjustment. It is understood that the first through hole 411 and the second through hole 511 may be through holes with other shapes, and are not limited herein.
The embodiment of the utility model provides a pair of full bolted connection node of girder steel through setting up first bearing structure and second bearing structure, tentatively fixes a position with easy to assemble two girder steels before connecting to and tentatively fix a position the installation accuracy of back fine setting in order to improve first girder steel and second girder steel. The setting of first bearing structure and second bearing structure can also strengthen the intensity of first girder steel and second girder steel, avoids first girder steel and second girder steel to take place to warp when atress or being heated. In addition, the first end part and the second end part are also internally provided with lining plates, so that the strength of the first end part and the second end part can be increased.
The full-bolt connection node of the steel beam disclosed by the embodiment of the invention is described in detail, a specific example is applied to explain the principle and the implementation mode of the invention, and the description of the above embodiment is only used for helping to understand the full-bolt connection node of the steel beam of the invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. The utility model provides an all bolted connection node of girder steel, its characterized in that includes:
the first steel beam comprises a first end part, the second steel beam comprises a second end part, and the first end part and the second end part are arranged oppositely; and the number of the first and second groups,
the connecting structure comprises a connecting assembly and a connecting bolt, the connecting assembly is fixedly connected to the first end part and the second end part, and the connecting bolt is fixedly connected to the first end part, the connecting assembly and the second end part;
the connection node further comprises a first support structure and a second support structure, the first support structure is fixedly arranged on the end face of the first end portion, the second support structure is fixedly arranged on the end face of the second end portion, and the first support structure is abutted to the second support structure.
2. The all-bolt connection node of claim 1, wherein the first and second steel beams are box-type steel beams, the first end portion includes first and second oppositely disposed cover plates and a first base plate, and first and second oppositely disposed webs connected to the first cover plates and the first base plate, and the second end portion includes second and second oppositely disposed cover plates and a second base plate, and third and fourth oppositely disposed webs connected to the second cover plates and the second base plate;
the connecting assembly comprises a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate, the second cover plate is arranged opposite to the first cover plate, the first connecting plate is fixedly connected to the first cover plate and the second cover plate, the second bottom plate is arranged opposite to the first bottom plate, the second connecting plate is fixedly connected to the first bottom plate and the second bottom plate, the third web is arranged opposite to the first web, the third connecting plate is fixedly connected to the first web and the third web, the fourth web is arranged opposite to the second web, and the fourth connecting plate is fixedly connected to the second web and the fourth web;
the connecting bolt comprises a first bolt, a second bolt, a third bolt and a fourth bolt, wherein the first bolt is fixedly connected with the first connecting plate and fixedly connected with the first cover plate and the second cover plate, the second bolt is fixedly connected with the second connecting plate and fixedly connected with the first bottom plate and the second bottom plate, the third bolt is fixedly connected with the third connecting plate and fixedly connected with the first web and the third web and the fourth bolt is fixedly connected with the fourth connecting plate and fixedly connected with the second web and the fourth web.
3. The all-bolt connection node according to claim 2, wherein the first cover plate and the second cover plate are attached to opposite sides of the first connection plate, the first base plate and the second base plate are attached to opposite sides of the second connection plate, the first web plate and the third web plate are attached to opposite sides of the third connection plate, and the second web plate and the fourth web plate are attached to opposite sides of the fourth connection plate.
4. The all-bolt connection node according to claim 2 or 3, wherein the first support structure comprises a first end plate and a first support plate vertically disposed on the first end plate and extending forward from the first end plate, the first end plate being fixedly disposed on the end surface of the first end portion; and the number of the first and second groups,
the second supporting structure comprises a second end plate and a second supporting plate which is vertically arranged on the second end plate and extends forwards from the second end plate, the second end plate is fixedly arranged on the end face of the second end part, and the lower surface of the second supporting plate is abutted to the upper surface of the first supporting plate.
5. The all-bolt connection node according to claim 4, wherein the first support structure further comprises a plurality of first stiffening ribs spaced apart and connected to the first support plate and the first end plate; the second supporting structure further comprises a plurality of second stiffening ribs, and the plurality of second stiffening ribs are arranged at intervals and connected to the second supporting plate and the second end plate.
6. The all-bolt connection node according to claim 4, wherein the first cover plate, the first base plate, the first web and the second web enclose a first cavity, the first cover plate covers the first cavity, and the first cover plate is provided with a first through hole communicated to the first cavity;
the second cover plate, the second bottom plate, the third web plate and the fourth web plate enclose to form a second cavity, the second end plate covers the second cavity, and a second through hole communicated to the second cavity is formed in the second end plate.
7. The all-bolt connection node according to claim 6, wherein a first inner lining plate is arranged in the first cavity and is respectively attached to the first cover plate, the first bottom plate, the first web plate and the second web plate; and the number of the first and second groups,
and second inner lining plates respectively attached to the second cover plate, the second bottom plate, the third web plate and the fourth web plate are arranged in the second cavity.
8. The all-bolt connection node according to claim 2 or 3, wherein the connection structure further comprises a first nut, a second nut, a third nut and a fourth nut respectively connected to the first bolt, the second bolt, the third bolt and the fourth bolt in a fitting manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697156.8U CN211080545U (en) | 2019-05-15 | 2019-05-15 | Full bolted connection node of girder steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697156.8U CN211080545U (en) | 2019-05-15 | 2019-05-15 | Full bolted connection node of girder steel |
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| CN211080545U true CN211080545U (en) | 2020-07-24 |
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| CN201920697156.8U Active CN211080545U (en) | 2019-05-15 | 2019-05-15 | Full bolted connection node of girder steel |
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