CN210134526U - Variable-beam-height assembled H-shaped steel beam - Google Patents
Variable-beam-height assembled H-shaped steel beam Download PDFInfo
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- CN210134526U CN210134526U CN201920719545.6U CN201920719545U CN210134526U CN 210134526 U CN210134526 U CN 210134526U CN 201920719545 U CN201920719545 U CN 201920719545U CN 210134526 U CN210134526 U CN 210134526U
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- shaped steel
- connecting piece
- roof beam
- strength bolt
- steel roof
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Abstract
The utility model relates to a H shaped steel roof beam technical field just discloses a height-variable assembled H shaped steel roof beam, including H shaped steel post, the right side contact of H shaped steel post has H shaped steel roof beam, the top of H shaped steel roof beam sets up the contact and has first connecting piece. The utility model discloses a, carry out fixed connection with the top and the first connecting piece of H shaped steel roof beam through first high-strength bolt, through the second high-strength bolt with the top of two second connecting pieces and the bottom fixed connection of H shaped steel roof beam, make the shear stress of H shaped steel roof beam disperse to support on transmitting H shaped steel post through first connecting piece and second connecting piece, make the rotational rigidity of junction obtain effectual improvement, connected node's stability has been increased, simultaneously through the full assembled installation of first high-strength bolt and second high-strength bolt, the installation degree of difficulty when having reduced the construction, the efficiency of installation has been improved, need not the field weld, construction cost has been reduced.
Description
Technical Field
The utility model relates to a H shaped steel roof beam technical field specifically is a height-adjustable assembled H shaped steel roof beam.
Background
The H-shaped steel is an economic section efficient section with more optimized section area distribution and more reasonable strength-to-weight ratio, the section is named after the same as an English letter 'H', and because all parts of the H-shaped steel are arranged at right angles, the H-shaped steel has the advantages of strong bending resistance, simplicity in construction, cost saving, light structural weight and the like in all directions and is widely applied.
General H shaped steel generally divide into welded connection, bolted connection or set up the connection mounting method of bolt in the steel pipe when installing as the girder steel, but this kind of mounting means site operation is comparatively complicated, and is inconvenient to install, and has higher requirement to the size of work piece, and is inconvenient to install H shaped steel roof beam, so has proposed a variable beam height assembled H shaped steel roof beam and has solved above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a height-adjustable assembled H shaped steel roof beam possesses advantages such as easy to assemble, has solved general H shaped steel and has generally been divided into welded connection, bolted connection or set up the connection mounting method of bolt in the follow steel pipe when the girder steel is installed, but this kind of mounting means site operation is comparatively complicated, the installation of being not convenient for, and has higher requirement to the size of work piece, inconvenient problem of installing to the H shaped steel roof beam.
(II) technical scheme
For the purpose of realizing above-mentioned easy to assemble, the utility model provides a following technical scheme: the utility model provides a variable beam height assembled H shaped steel roof beam, includes H shaped steel post, the right side contact of H shaped steel post has the H shaped steel roof beam, the top of H shaped steel roof beam sets up the contact has first connecting piece, first connecting piece be located the inboard on H shaped steel post right side and with the inside wall contact of H shaped steel post, the inboard of first connecting piece is provided with first high-strength bolt, through first high-strength bolt fixed connection between first connecting piece and H shaped steel post and the H shaped steel roof beam, the bottom of H shaped steel roof beam sets up the contact has two second connecting pieces, two be provided with the second high-strength bolt on the second connecting piece, two pass through second high-strength bolt fixed connection between second connecting piece and H shaped steel post and the H shaped steel roof beam.
Preferably, the inner side of the first connecting piece is fixedly connected with a triangular reinforcing plate, and the first high-strength bolts are distributed on the front side and the back side of the triangular reinforcing plate.
Preferably, the connection mode of triangle gusset plate and first connecting piece is the welding, two right-angle sides of triangle gusset plate are equal with the contact side length of first connecting piece respectively.
Preferably, two the bottom of second connecting piece is led to the groove by preceding bar that all link up to the back, second high-strength bolt is located the inside that the groove was led to the bar and with the inner wall sliding connection that the groove was led to the bar.
Preferably, two of the second connecting members are L-shaped.
Preferably, the first high-strength bolt and the second high-strength bolt are pressure-bearing high-strength bolts.
(III) advantageous effects
Compared with the prior art, the utility model provides a height-adjustable assembled H shaped steel roof beam possesses following beneficial effect:
1. this variable beam height assembled H shaped steel roof beam, the top and the first connecting piece of H shaped steel roof beam carry out fixed connection through first high-strength bolt, install simultaneously and fix on H shaped steel roof beam, the top and the bottom fixed connection of H shaped steel roof beam of two second connecting pieces through the second high-strength bolt, fix on H shaped steel roof beam simultaneously, make the shear stress of H shaped steel roof beam transmit to H shaped steel post through first connecting piece and second connecting piece and carry out the dispersed support, make the rotational rigidity of joint obtain effectual improvement, the stability of connected node has been increased, installation through the full assembled of first high-strength bolt and second high-strength bolt simultaneously, the installation degree of difficulty when having reduced the construction, the efficiency of installation has been improved, need not on-the-site welding, construction cost has been reduced.
2. This variable high assembled H shaped steel roof beam of roof beam supports the reinforcement through the inboard triangle gusset plate of first connecting piece to the structure of first connecting piece, improves first connecting piece and H shaped steel roof beam junction and bears the weight of the effect.
3. This variable beam height assembled H shaped steel roof beam is through the welding of triangle gusset plate and first connecting piece for triangle gusset plate and first connecting piece zero clearance increase the support reinforcing effect of triangle gusset plate.
4. This variable high assembled H shaped steel roof beam of roof beam passes through the groove through the bar for the second high strength bolt that is located the groove interior is led to the bar can adjust from top to bottom, can adapt to the cross sectional dimension of different H shaped steel roof beams between first connecting piece and the second connecting piece, and convenient construction is convenient for install, can be according to the change roof beam height of demand to a certain extent simultaneously.
5. This variable high assembled H shaped steel roof beam of roof beam, through the second connecting piece of L shape, make things convenient for constructor to install fixedly to the second connecting piece, improved installation effectiveness and construction speed, the person's of facilitating the use makes simultaneously on the transmission to H shaped steel post that shear stress can be better.
6. According to the variable beam height assembly type H-shaped steel beam, the pressure-bearing type high-strength bolt allows the external shearing force to exceed the maximum friction force in connection, relative sliding deformation occurs between connected plates until a bolt rod is contacted with a hole wall, then connection is carried out by shearing of the bolt rod body, pressure bearing of the hole wall and the friction force between contact surfaces of the plates, and finally the shearing of the rod body or pressure bearing damage of the hole wall is used as the limit state of continuous shearing, so that the first high-strength bolt and the second high-strength bolt can slide and can bear the shearing force.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic right sectional view of a second connecting member according to the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. h-shaped steel columns; 2. an H-shaped steel beam; 3. a first connecting member; 4. a first high-strength bolt; 5. a second connecting member; 6. a second high-strength bolt; 7. a triangular reinforcing plate; 8. and a strip-shaped through groove.
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.
Referring to fig. 1-3, a variable beam height fabricated H-beam includes an H-beam 1, an H-beam 2 contacting the right side of the H-beam 1, a first connecting member 3 contacting the top of the H-beam 2, the first connecting member 3 being located inside the right side of the H-beam 1 and contacting the inner sidewall of the H-beam 1, a first high strength bolt 4 being disposed inside the first connecting member 3, the first connecting member 3 being fixedly connected to the H-beam 1 and the H-beam 2 via the first high strength bolt 4, two second connecting members 5 contacting the bottom of the H-beam 2, two second high strength bolts 6 being disposed on the two second connecting members 5, the two second connecting members 5 being fixedly connected to the H-beam 1 and the H-beam 2 via the second high strength bolts 6, the top of the H-beam 2 being fixedly connected to the first connecting member 3 via the first high strength bolt 4, the connecting structure is characterized in that the connecting structure is installed and fixed on an H-shaped steel beam 2, the tops of two second connecting pieces 5 are fixedly connected with the bottom of the H-shaped steel beam 2 through second high-strength bolts 6 and are fixed on the H-shaped steel beam 2, the shear stress of the H-shaped steel beam 2 is transmitted to an H-shaped steel column 1 through a first connecting piece 3 and the second connecting pieces 5 to be dispersedly supported, the rotating rigidity of a joint is effectively improved, the stability of a connecting node is improved, meanwhile, the installation difficulty during construction is reduced through full-assembly installation of the first high-strength bolts 4 and the second high-strength bolts 6, the installation efficiency is improved, field welding is not needed, and the construction cost is reduced.
Further, the inboard fixedly connected with triangle gusset plate 7 of first connecting piece 3, first high-strength bolt 4 distributes in the front and the back of triangle gusset plate 7, supports the reinforcement through the inboard triangle gusset plate 7 of first connecting piece 3 to the structure of first connecting piece 3, improves first connecting piece 3 and H shaped steel roof beam 2 junction bearing effect.
Furthermore, the connection mode of triangle gusset plate 7 and first connecting piece 3 is the welding, and two right-angle sides of triangle gusset plate 7 are equal with the contact length of side of first connecting piece 3 respectively, through the welding of triangle gusset plate 7 and first connecting piece 3 for triangle gusset plate 7 and first connecting piece 3 zero clearance increase triangle gusset plate 7's support and consolidate the effect.
Further, the bottom of two second connecting pieces 5 is led to the groove 8 by preceding bar that has all seted up through to the back, second high-strength bolt 6 is located the inside that the groove 8 was led to the bar and leads to the inner wall sliding connection of groove 8 with the bar, lead to the groove 8 through the bar, make the second high-strength bolt 6 that is located the groove 8 is led to the bar to adjust from top to bottom, can adapt to the cross sectional dimension of different H shaped steel roof beams 2 between first connecting piece 3 and the second connecting piece 5, construction convenience, and the installation of being convenient for, simultaneously can be according to the change roof beam height on the demand certain degree.
Further, the shape of two second connecting pieces 5 is L shape, and through the second connecting piece 5 of L shape, make things convenient for constructor to install fixedly second connecting piece 5, improved installation effectiveness and construction speed, the person's of facilitating the use makes the transmission that shear stress can be better to H shaped steel post 1 simultaneously on.
Furthermore, the first high-strength bolt 4 and the second high-strength bolt 6 are pressure-bearing high-strength bolts, the external shearing force allowed by the pressure-bearing high-strength bolts in connection exceeds the maximum friction force, relative sliding deformation occurs between the connected plates until the bolt rod is in contact with the hole wall, then the connection is realized by shearing of the bolt rod body, pressure bearing of the hole wall and the friction force between contact surfaces of the plates to jointly transfer force, and finally the limit state of continuous shearing is realized by taking the shearing of the rod body or the pressure bearing damage of the hole wall, so that the first high-strength bolt 4 and the second high-strength bolt 6 can slide and can bear the shearing force.
The working principle is as follows: the top of the H-shaped steel beam 2 is fixedly connected with the first connecting piece 3 through the first high-strength bolt 4, and is simultaneously installed and fixed on the H-shaped steel beam 2, the structure of the first connecting piece 3 is supported and reinforced through the triangular reinforcing plate 7 at the inner side of the first connecting piece 3, so that the bearing effect of the joint of the first connecting piece 3 and the H-shaped steel beam 2 is improved, the top of the two second connecting pieces 5 is fixedly connected with the bottom of the H-shaped steel beam 2 through the second high-strength bolts 6, and is simultaneously fixed on the H-shaped steel beam 2, so that the shear stress of the H-shaped steel beam 2 is transmitted to the H-shaped steel column 1 through the first connecting piece 3 and the second connecting pieces 5 for dispersed support, the rotational rigidity of the joint is effectively improved, the stability of the connecting node is improved, and simultaneously, the installation difficulty during construction is reduced through the fully-assembled installation of the first high-strength bolt 4 and the second, the efficiency of installation is improved, need not on-the-spot welding, construction cost has been reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a variable high assembled H shaped steel roof beam of roof beam, includes H shaped steel post (1), its characterized in that: the right side of the H-shaped steel column (1) is contacted with an H-shaped steel beam (2), the top of the H-shaped steel beam (2) is provided with a first connecting piece (3), the first connecting piece (3) is positioned on the inner side of the right side of the H-shaped steel column (1) and is in contact with the inner side wall of the H-shaped steel column (1), a first high-strength bolt (4) is arranged on the inner side of the first connecting piece (3), the first connecting piece (3) is fixedly connected with the H-shaped steel column (1) and the H-shaped steel beam (2) through the first high-strength bolt (4), the bottom of the H-shaped steel beam (2) is provided with two second connecting pieces (5) in contact, two second connecting pieces (5) are provided with second high-strength bolts (6), and the two second connecting pieces (5) are fixedly connected with the H-shaped steel column (1) and the H-shaped steel beam (2) through the second high-strength bolts (6).
2. The variable beam height fabricated H-section steel beam of claim 1, wherein: the inner side of the first connecting piece (3) is fixedly connected with a triangular reinforcing plate (7), and the first high-strength bolts (4) are distributed on the front side and the back side of the triangular reinforcing plate (7).
3. The variable beam height fabricated H-section steel beam of claim 2, wherein: the triangular reinforcing plate (7) is connected with the first connecting piece (3) in a welding mode, and the two right-angle edges of the triangular reinforcing plate (7) are respectively equal to the contact side length of the first connecting piece (3).
4. The variable beam height fabricated H-section steel beam of claim 1, wherein: two the bottom of second connecting piece (5) is led to groove (8) by preceding bar that all link up to the back, second high strength bolt (6) are located the inside that the groove (8) was led to in the bar and with the inner wall sliding connection that the groove (8) was led to in the bar.
5. The variable beam height fabricated H-section steel beam of claim 1, wherein: the two second connecting pieces (5) are L-shaped.
6. The variable beam height fabricated H-section steel beam of claim 1, wherein: and the first high-strength bolt (4) and the second high-strength bolt (6) are pressure-bearing high-strength bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719545.6U CN210134526U (en) | 2019-05-20 | 2019-05-20 | Variable-beam-height assembled H-shaped steel beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719545.6U CN210134526U (en) | 2019-05-20 | 2019-05-20 | Variable-beam-height assembled H-shaped steel beam |
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| Publication Number | Publication Date |
|---|---|
| CN210134526U true CN210134526U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920719545.6U Expired - Fee Related CN210134526U (en) | 2019-05-20 | 2019-05-20 | Variable-beam-height assembled H-shaped steel beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026940A (en) * | 2021-03-25 | 2021-06-25 | 天津中冀建设集团有限公司 | Super high-rise building core tube steel column connecting structure and core tube construction method |
-
2019
- 2019-05-20 CN CN201920719545.6U patent/CN210134526U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026940A (en) * | 2021-03-25 | 2021-06-25 | 天津中冀建设集团有限公司 | Super high-rise building core tube steel column connecting structure and core tube construction method |
| CN113026940B (en) * | 2021-03-25 | 2022-08-02 | 天津中冀建设集团有限公司 | Super high-rise building core tube steel column connecting structure and core tube construction method |
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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: 20200310 Termination date: 20210520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |