CN214574626U - Connecting assembly of shear-resistant short corbel steel beam reinforced by stiffening ribs - Google Patents
Connecting assembly of shear-resistant short corbel steel beam reinforced by stiffening ribs Download PDFInfo
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- CN214574626U CN214574626U CN202022614810.XU CN202022614810U CN214574626U CN 214574626 U CN214574626 U CN 214574626U CN 202022614810 U CN202022614810 U CN 202022614810U CN 214574626 U CN214574626 U CN 214574626U
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Abstract
The utility model provides a connecting component of a short corbel steel beam reinforced by stiffening ribs, which comprises a short corbel steel beam; the short corbel steel beam comprises an upper steel plate, a lower steel plate and a web plate arranged between the upper steel plate and the lower steel plate; the plane of the web plate is perpendicular to the plane of the upper steel plate, and the upper steel plate is parallel to the lower steel plate; the upper end of the web plate is provided with a notch, so that the end face of one end of the web plate is in a step shape; the connecting plate is vertically connected with the web plate; the device also comprises an upper stiffening rib and a lower stiffening rib; the upper stiffening ribs are arranged on two sides of the upper end, the lower stiffening ribs are arranged on two sides of the lower end, and the upper stiffening ribs and the lower stiffening ribs are spaced at a certain distance in a projection perpendicular to the connecting plate; the connecting plate is provided with a connecting hole. By the technical scheme, the installation efficiency of the steel beam can be greatly improved, the labor intensity of installation workers is reduced, and the installation period of the steel structure is shortened.
Description
Technical Field
The utility model relates to a building structure engineering technical field specifically indicates a coupling assembling of short bracket girder steel that shears that strengthens with stiffening rib.
Background
The steel beam connecting position in the structure mainly bears bending moment and shearing force, and the steel beam connecting end is connected in a mode that the upper flange and the lower flange are parallel and level. When the steel beam-steel beam or the steel beam-steel bracket is connected, the web plate of the steel beam adopts friction type high-strength bolts, two sides of each friction type high-strength bolt respectively clamp a connecting plate to resist the shearing force of the steel beam, and the flange adopts the high-strength bolts or welding to bear the bending moment of the steel beam.
When the steel beam is hoisted and installed at high altitude, because the section of the beam end is level up and down and the beam end does not have a supporting position, the hoisting equipment has to hoist the steel beam in place firstly, then the steel beam is positioned manually or by using lifting equipment, and then a series of correction and bolt installation work is carried out by installation workers. Before the high-strength bolt at the web plate position is not finally screwed, the hoisting equipment cannot be loosened or moved, and the hoisting efficiency of the hoisting equipment is greatly limited. The other method is that 2 convex split heads (the lower surface is parallel and level with the upper flange of the steel beam) are welded on the upper flange of the steel beam joint in advance, during hoisting, the split heads are clamped on the top surface of the upper flange of the steel corbel, then temporary bolts are installed, then high-strength bolts are installed, and after the installation is completed, the split heads are cut off by gas cutting and polished to be flat. In case there is the error in the split heads height, then can make the bolt hole of the seam left and right sides not at same horizontal position, and then lead to the unable complete perforation of shank of bolt, and still will cut and polish the split heads after the installation is accomplished. The above-mentioned process is more complicated, seriously influences the installation effectiveness of girder steel. Under most conditions, the steel beam is not completely installed in place, and the lifting equipment is required to carry out operations such as multiple deviation correction on the steel beam, so that the working efficiency of the lifting equipment is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coupling assembling of short bracket girder steel that shears that strengthens with stiffening rib realizes increasing substantially the installation effectiveness of girder steel, reduces installer's intensity of labour, shortens steel construction installation period.
In order to solve the technical problem, the utility model provides a connecting component of a short corbel steel beam reinforced by stiffening ribs, which comprises a short corbel steel beam; the short corbel steel beam comprises an upper steel plate, a lower steel plate and a web plate arranged between the upper steel plate and the lower steel plate; the plane of the web plate is perpendicular to the plane of the upper steel plate, and the upper steel plate is parallel to the lower steel plate; one end of the web plate comprises an upper end and a lower end, and the upper end of the web plate is provided with a notch, so that the end face of one end of the web plate is in a step shape; the connecting plate is vertically connected with the web plate; the device also comprises an upper stiffening rib and a lower stiffening rib; the upper stiffening ribs are arranged on two sides of the upper end, the lower stiffening ribs are arranged on two sides of the lower end, and the upper stiffening ribs and the lower stiffening ribs are spaced at a certain distance in a projection perpendicular to the connecting plate; and the connecting plate is provided with a connecting hole.
In a preferred embodiment, the connecting plate abuts against the lower end face of the web corresponding to the notch.
In a preferred embodiment, one end of the connecting plate has an elongated groove, and the joint of the upper end and the lower end of the web is inserted into the elongated groove.
In a preferred embodiment, there are 2 upper stiffening ribs, and the upper stiffening rib is specifically composed of two first stiffening surfaces and two second stiffening surfaces which are perpendicular to each other; the two first stiffening surfaces are respectively arranged at two sides of the web plate and tightly attached to the web plate, and the two second stiffening surfaces are respectively perpendicular to the plane of the web plate.
In a preferred embodiment, the reinforcing plate is further provided with 2 reinforcing plates, and the 2 reinforcing plates are respectively arranged on two sides of the lower end of the web plate.
In a preferred embodiment, the number of the lower stiffening ribs is 2, and the 2 lower stiffening ribs are respectively arranged on one surface of the reinforcing plate, which is opposite to the web plate, along a direction perpendicular to the plane of the web plate.
In a preferred embodiment, the connection holes formed on the connection plate are screw holes.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
(1) this technical scheme can make the hoist and mount efficiency of construction of girder steel improve a lot, and in whole work progress, only once hoist and mount of girder steel, after connecting plate department has passed through screwed connection, the installation rate is fast, lifts by crane equipment and can continue to carry out other hoist and mount operations, need not to continue to wait the installation of girder steel.
(2) The friction type high-strength bolt for shearing at the web position of the steel beam is not needed, the mounting difficulty of the high-strength bolt at the connecting end is greatly reduced, the shearing-resistant connecting cover plates at two sides of the web are also saved, the total steel consumption of the technical scheme is basically equivalent to that of the conventional connecting scheme, and the number of the high-strength bolts at the web position is also reduced.
(3) The technical scheme has the advantages that the connection rigidity is high, the performances such as shearing resistance, bearing capacity and shearing rigidity are basically equivalent to those of the original steel beam section, all welding works are completed in a processing factory, the welding quality can be well guaranteed, the uncertainty of construction site operation is reduced, the installation speed is accelerated, and meanwhile, the safety of structural connection can be guaranteed.
Drawings
FIG. 1 is a schematic structural view of a connecting assembly of a shear-resistant short corbel steel beam reinforced with stiffening ribs according to a preferred embodiment of the present invention;
FIG. 2 is an exploded view of a connecting assembly of a shear-resistant short corbel steel beam reinforced with stiffening ribs according to a preferred embodiment of the present invention;
FIG. 3 is an exploded view of the connection between the connection members of two short corbel steel beams reinforced with stiffening ribs according to the preferred embodiment of the present invention;
FIG. 4 is an enlarged partial view of the connection between the connecting members of two stiffening rib reinforced short corbel steel beams according to the preferred embodiment of the present invention;
FIG. 5 is a schematic view showing the connection state between the connection members of two short corbel steel beams reinforced with stiffening ribs according to the preferred embodiment of the present invention;
fig. 6 is a partially enlarged view illustrating a connection state between connection members of two short corbel steel beams reinforced with stiffening ribs according to a preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
A connecting component of a short corbel steel beam reinforced by stiffening ribs, which is referred to as 6 in figure 1, comprises a short corbel steel beam 1; the short corbel steel beam 1 comprises an upper steel plate 11, a lower steel plate 12 and a web plate 13 arranged between the upper steel plate 11 and the lower steel plate 12; the plane of the web plate 13 is perpendicular to the plane of the upper steel plate 11, and the upper steel plate 11 is parallel to the lower steel plate 12; one end of the web 13 comprises an upper end and a lower end, and the upper end of the web 13 is provided with a notch, so that the end face of one end of the web 13 is in a step shape; the connecting plate is characterized by further comprising a connecting plate 3, wherein one end of the connecting plate 3 is provided with an elongated groove, and the joint of the upper end and the lower end of the web 13 is inserted into the elongated groove, so that the connecting plate 3 and the web 13 are mutually and vertically connected; also comprises an upper stiffening rib 2 and a lower stiffening rib 4; the upper stiffening ribs 2 are arranged on two sides of the upper end, the lower stiffening ribs 4 are arranged on two sides of the lower end, and the projections of the upper stiffening ribs 2 and the lower stiffening ribs 4 perpendicular to the connecting plate 3 are spaced at a certain distance; the connecting plate 3 is provided with a connecting hole 31. The connecting plate 3 is abutted to the lower end face of the web 13 corresponding to the notch.
Specifically, there are 2 upper stiffening ribs 2, and the upper stiffening rib 2 is specifically composed of two mutually perpendicular first stiffening surfaces 21 and second stiffening surfaces 22; the two first stiffening surfaces 21 are respectively arranged at two sides of the web 13 and tightly attached to the web 13, and the two second stiffening surfaces 22 are respectively arranged perpendicular to the plane of the web 13. Still include reinforcing plate 5, reinforcing plate 5 is provided with 2, 2 reinforcing plate 5 set up respectively in the both sides of the lower extreme of web 13. The number of the lower stiffening ribs 4 is 2, and the 2 lower stiffening ribs 4 are respectively arranged on one surface of the reinforcing plate 5 back to the web 13 along the direction perpendicular to the plane where the web 13 is located.
In the present embodiment, the connection holes 31 provided on the connection plate 3 are specifically screw holes.
A method for connecting a connecting assembly of a shear-resistant short corbel steel beam reinforced by stiffening ribs comprises the following steps: the upper end of a web plate 13 of a connecting component of one stiffening rib reinforced shear-resisting short corbel steel beam corresponds to the lower end of a web plate 13 of a connecting component of the other stiffening rib reinforced shear-resisting short corbel steel beam; the screw holes on the connecting plates 3 of the connecting components of the two stiffening rib reinforced shearing-resistant short corbel steel beams are in one-to-one correspondence; so that the upper stiffener 2 of the connecting assembly of one stiffener-reinforced short corbel steel beam and the lower stiffener 4 of the connecting assembly of the other stiffener-reinforced short corbel steel beam are vertically aligned with each other. The screws 6 penetrate through the screw holes in the connecting plate 3 to realize the fixed connection between the connecting components of the shear-resistant short corbel steel beam reinforced by the two stiffening ribs.
The technical scheme of the utility model can be so that the hoist and mount efficiency of construction of girder steel improves a lot, in whole work progress, only hoist and mount of girder steel, after 3 departments of connecting plate are connected well through screw 6, the installation rate is fast, lifts by crane equipment and can continue to carry out other hoist and mount operations, need not to continue the installation of waiting the girder steel. The friction type high-strength bolt for shearing at the position of the steel beam web 13 is not required to be arranged, the mounting difficulty of the high-strength bolt at the connecting end is greatly reduced, the shearing-resistant connecting cover plates at two sides of the web 13 are also saved, the total steel consumption of the technical scheme is basically equivalent to that of the conventional connecting scheme, and the number of the high-strength bolts at the position of the web 13 is also reduced. The technical scheme has the advantages that the connection rigidity is high, the performances such as shearing resistance, bearing capacity and shearing rigidity are basically equivalent to those of the original steel beam section, all welding works are completed in a processing factory, the welding quality can be well guaranteed, the uncertainty of construction site operation is reduced, the installation speed is accelerated, and meanwhile, the safety of structural connection can be guaranteed.
When the steel beam is installed, the beam end can be directly lapped on the raised platform of the shearing-resistant bracket. In the use stage after the installation is finished, the shearing-resistant corbel can achieve the shearing-resistant bearing capacity close to the section of the original steel beam through the reinforcement of the stiffening ribs. The upper and lower flanges of the steel beam can adopt friction type high-strength bolt groups or welding to bear beam-end bending moment.
The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (7)
1. A connecting component of a short corbel steel beam reinforced by stiffening ribs comprises a short corbel steel beam; the short corbel steel beam comprises an upper steel plate, a lower steel plate and a web plate arranged between the upper steel plate and the lower steel plate; the plane of the web plate is perpendicular to the plane of the upper steel plate, and the upper steel plate is parallel to the lower steel plate; the novel ladder-shaped web plate is characterized in that one end of the web plate comprises an upper end and a lower end, and a notch is formed in the upper end of the web plate, so that the end face of one end of the web plate is in a ladder shape; the connecting plate is vertically connected with the web plate; the device also comprises an upper stiffening rib and a lower stiffening rib; the upper stiffening ribs are arranged on two sides of the upper end, the lower stiffening ribs are arranged on two sides of the lower end, and the upper stiffening ribs and the lower stiffening ribs are spaced at a certain distance in a projection perpendicular to the connecting plate; and the connecting plate is provided with a connecting hole.
2. A connection assembly of a short stiffening rib reinforced shear corbel steel beam according to claim 1, wherein the web abuts the lower end face of the web corresponding to the gap.
3. A stiffener-reinforced shear short corbel steel beam connection assembly as claimed in claim 2, wherein the web has an elongated recess at one end into which the web engages at the junction of its upper and lower ends.
4. The connecting assembly of a shear short corbel steel beam reinforced with stiffening ribs according to claim 3, wherein there are 2 upper stiffening ribs, and the upper stiffening ribs are composed of a first stiffening surface and a second stiffening surface which are perpendicular to each other; the two first stiffening surfaces are respectively arranged at two sides of the web plate and tightly attached to the web plate, and the two second stiffening surfaces are respectively perpendicular to the plane of the web plate.
5. A connecting assembly of a short corbel steel beam reinforced with stiffening ribs according to claim 4, further comprising 2 reinforcing plates, wherein 2 reinforcing plates are provided, one on each side of the lower end of the web.
6. A connection assembly of a short corbel steel beam reinforced with stiffening ribs according to claim 5, wherein there are 2 lower stiffening ribs, and 2 lower stiffening ribs are respectively provided on the side of the stiffener plate facing away from the web in a direction perpendicular to the plane of the web.
7. A connection assembly of a short stiffening rib reinforced shear corbel steel beam according to any of claims 1 to 6, wherein the connection holes provided on the connection plate are screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614810.XU CN214574626U (en) | 2020-11-12 | 2020-11-12 | Connecting assembly of shear-resistant short corbel steel beam reinforced by stiffening ribs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614810.XU CN214574626U (en) | 2020-11-12 | 2020-11-12 | Connecting assembly of shear-resistant short corbel steel beam reinforced by stiffening ribs |
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| CN214574626U true CN214574626U (en) | 2021-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323972A (en) * | 2020-11-12 | 2021-02-05 | 华侨大学 | Connecting assembly of shear-resistant short corbel steel beam reinforced by stiffening ribs and connecting method thereof |
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- 2020-11-12 CN CN202022614810.XU patent/CN214574626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323972A (en) * | 2020-11-12 | 2021-02-05 | 华侨大学 | Connecting assembly of shear-resistant short corbel steel beam reinforced by stiffening ribs and connecting method thereof |
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