CN111910759A - Steel construction cantilever beam node additional strengthening - Google Patents
Steel construction cantilever beam node additional strengthening Download PDFInfo
- Publication number
- CN111910759A CN111910759A CN202010631563.6A CN202010631563A CN111910759A CN 111910759 A CN111910759 A CN 111910759A CN 202010631563 A CN202010631563 A CN 202010631563A CN 111910759 A CN111910759 A CN 111910759A
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- CN
- China
- Prior art keywords
- cantilever beam
- end side
- short arm
- side plate
- main vertical
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a steel structure cantilever beam node reinforcing structure, which changes the stress state of a cantilever beam by increasing the force arm of a supporting point force application, so that the supporting force can offset the force arm effect of the cantilever beam, and improves the integral supporting stability, and is characterized in that a rectangular groove is arranged on a main vertical beam, the short arm beam is in a rectangular square tube structure corresponding to the rectangular groove, the short arm beam is sleeved in a through hole, one end of the short arm beam is symmetrically provided with two longitudinally distributed front end side plates, the front end side plates are attached to the main vertical beam, the other end of the short arm beam is symmetrically provided with two transversely distributed tail end side plates, one end distance between the tail end side plates and the main vertical beam is 10-30mm, the front end side plates are provided with at least three mounting holes, the tail end side plates are provided with at least three mounting holes, and the mounting holes are kidney-shaped holes, and the front end side plate is matched with the mounting hole through a bolt and is fixedly connected with the main vertical beam.
Description
Technical Field
The invention discloses a steel structure cantilever beam node reinforcing structure, relates to a structure for reinforcing a rigid structure cantilever beam node, and belongs to the field of steel equipment. In particular to a reinforcing structure which changes the stress state of a cantilever beam by increasing the force arm of force applied by a supporting point, so that the force arm effect of the cantilever beam can be offset by supporting force, and the integral supporting stability is improved.
Background
At present, in the steel construction, the structure application of cantilever beam is extensive, present cantilever beam structure mainly fastens through bolt snap-on and gets upright beam or stand side, make the cantilever beam extend, directly fix the cantilever beam on the stand surface, make the fulcrum at the cantilever beam be located the surface of stand, overall structure mainly fastens the support through the bolt, the bracing point position application of force, the support arm of force is 0, and the cantilever beam is at gravity and external effect, and the arm of force that its self cantilever formed, can increase the load of bolt position, the security is risk factor low promptly, anti-seismic performance is poor, the reinforcement of some current suspension roof beams, mainly be to the bolt position, avoid the bolt pine to take off, also adopt to support the cantilever, but it is not all from structural solution or regulation stress point.
Publication No. CN107794929B discloses a combination formula shaped steel bracket for supporting in foundation ditch, aims at providing one kind and not only can reduce the shaped steel quantity to reduce construction cost, can reduce the occupation space to the foundation ditch moreover, be favorable to the combination formula shaped steel bracket for supporting in the foundation ditch of the excavation of earthwork. The foundation pit supporting structure comprises a supporting seat assembly, wherein the supporting seat assembly comprises a profile steel supporting seat arranged on a foundation pit fender pile, the profile steel supporting seat comprises two profile steel supporting seats arranged on the foundation pit fender pile side by side and a supporting beam arranged between the two profile steel supporting seats, the profile steel supporting seats comprise horizontal cantilever beams arranged on the foundation pit fender pile and reinforcing inclined supporting beams positioned below the horizontal cantilever beams, the lower ends of the reinforcing inclined supporting beams are connected with the foundation pit fender pile, and the upper ends of the reinforcing inclined supporting beams are connected with the horizontal cantilever beams; the supporting beam is vertical to the horizontal cantilever beam, and the device improves the strength of the suspension beam by arranging the support at the bottom of the suspension beam, but adds a supporting structure and reduces the working space below the cantilever beam.
Disclosure of Invention
In order to improve the situation, the invention provides a reinforcing structure for a steel structure cantilever beam node, which changes the stress state of a cantilever beam by increasing the force arm of force applied by a supporting point, so that the supporting force can offset the force arm of the cantilever beam, and the integral supporting stability is improved.
The invention relates to a steel structure cantilever beam node reinforcing structure, which is realized by the following steps: the invention relates to a steel structure cantilever beam node reinforcing structure, which consists of a main vertical beam, a tail end fixing plate, a short arm beam, a bolt, a cantilever beam, a tail end side plate, a cantilever beam connecting plate and a front end side plate, wherein the main vertical beam is provided with a rectangular groove, the short arm beam is in a rectangular square tube structure corresponding to the rectangular groove, the short arm beam is sleeved in a through hole, one end of the short arm beam is symmetrically provided with two longitudinally distributed front end side plates, the front end side plate is attached to the main vertical beam, the other end of the short arm beam is symmetrically provided with two transversely distributed tail end side plates, one end distance between the tail end side plate and the main vertical beam is 10-30mm, the front end side plate is provided with at least three mounting holes, the tail end side plate is provided with at least three mounting holes, the mounting holes are waist-shaped holes, the front end side plate is matched with the mounting holes through the bolt and fixedly connected with the main vertical beam, the cantilever beam is the I-steel structure, the cantilever beam passes the short armed roof beam, the tip of cantilever beam arm is provided with terminal fixed plate, terminal fixed plate overhead has a pair of cantilever beam connecting plate, the cantilever beam connecting plate passes through bolt and cantilever beam fixed connection, the connection pad has been put between cantilever beam connecting plate and the cantilever beam, terminal fixed plate and terminal curb plate pass through bolt fixed connection, terminal fixed plate and terminal curb plate are connected and are dealt with the connection pad, the short armed roof beam is polymer composite sheet, contained angle between terminal curb plate and the short armed roof beam wall is the acute angle.
Has the beneficial effects.
Moving back the connecting point of the main vertical beam and the cantilever beam, increasing the moment of the supporting point and improving the load capacity.
And secondly, the connecting points of the main vertical beam and the cantilever beam are reinforced, so that the stability is high.
And thirdly, no additional supporting structure is needed, and the operation space is saved.
Drawings
Fig. 1 is a schematic structural diagram of a steel structure cantilever beam joint reinforcing structure according to the present invention.
Fig. 2 is a top view of a steel structure cantilever beam node reinforcing structure according to the present invention.
Fig. 3 is a three-dimensional structure view of a short-arm beam of the steel structure cantilever beam joint reinforcing structure of the present invention.
Fig. 4 is a three-dimensional structure diagram of a cantilever beam of the steel structure cantilever beam node reinforcing structure of the present invention.
In the attached drawings
Wherein the method comprises the following steps: the structure comprises a main vertical beam (1), a tail end fixing plate (2), a short arm beam (3), a bolt (4), a cantilever beam (5), a tail end side plate (6), a cantilever beam connecting plate (7) and a front end side plate (8).
The specific implementation mode is as follows:
the invention relates to a steel structure cantilever beam node reinforcing structure, which is realized by the following steps: the invention relates to a steel structure cantilever beam (5) node reinforcing structure, which consists of a main vertical beam (1), a tail end fixing plate (2), a short arm beam (3), a bolt (4), a cantilever beam (5), a tail end side plate (6), a cantilever beam connecting plate (7) and a front end side plate (8), wherein a rectangular groove is formed in the main vertical beam (1), the short arm beam (3) is of a rectangular square tube structure corresponding to the rectangular groove, the short arm beam (3) is sleeved in a through hole, two longitudinally-distributed front end side plates (8) are symmetrically arranged at one end of the short arm beam (3), the front end side plate (8) is attached to the main vertical beam (1), two transversely-distributed tail end side plates (6) are symmetrically arranged at the other end of the short arm beam (3), the distance between one end of each tail end side plate (6) and the main vertical beam (1) is 10-30mm, at least three mounting holes are formed in the front end side plates (8), the cantilever beam is characterized in that at least three mounting holes are formed in the tail end side plate (6), the mounting holes are waist-shaped holes, the front end side plate (8) is matched with the mounting holes through bolts (4) and fixedly connected with a main vertical beam (1), the cantilever beam (5) is of an I-shaped steel structure, the cantilever beam (5) penetrates through the short arm beam (3), a tail end fixing plate (2) is arranged at the end part of the cantilever beam arm, a pair of cantilever beam connecting plates (7) are arranged on the tail end fixing plate (2), the cantilever beam connecting plates (7) are fixedly connected with the cantilever beam (5) through the bolts (4), connecting pads are arranged between the cantilever beam connecting plates (7) and the cantilever beam (5), the tail end fixing plate (2) and the tail end side plate (6) are fixedly connected through the bolts (4), the connecting pads are connected with the tail end fixing plate (2) and the tail end side plate (6), the short arm beam (, an included angle between the tail end side plate (6) and the wall of the short arm beam (3) is an acute angle;
when the cantilever beam supporting device is used, firstly, a rectangular groove is formed in a main vertical beam (1), then a short arm beam (3) is placed in the rectangular groove and fixed through a bolt (4), then a cantilever beam (5) penetrates through the rectangular groove, a terminal fixing plate (2) is fixedly installed at the end part of the cantilever beam (5) through a cantilever beam connecting plate (7) and the bolt (4) in a matched mode, then the terminal fixing plate (2) and a terminal side plate (6) are fixed through the bolt (4), installation of a node of the cantilever beam (5) is completed, a supporting point of the cantilever beam (5) moves backwards, the force arm of force applied by the supporting point is increased, the stress state of the cantilever beam (5) is changed, the supporting force can offset the force arm effect of the cantilever beam (5), and the overall supporting stability is improved;
due to the design of matching between the tail end fixing plate (2) and the tail end side plate (6), the cantilever beam (5) and the short arm beam (3) form flange connection, so that the disassembly is convenient, and the strength is high;
the short arm beam (3) is designed into a rectangular square tube structure corresponding to the rectangular groove, and the short arm beam (3) is attached to the rectangular groove, so that the short arm beam (3) is tightly connected with the main vertical beam (1), and the stability is good;
the short arm beam (3) is designed by a polymer composite plate, and the compressive strength is high, so that the connection between the main vertical beam (1) and the cantilever beam (5) is more stable;
the end side plate (6) and the wall of the short arm beam (3) are designed to be acute, so that elastic extrusion pushing can be formed on the cantilever beam (5) during connection, and the connection strength is enhanced;
the mounting hole is designed as a waist-shaped hole, when the mounting hole is mounted, the position of the bolt (4) can be adjusted, the mounting position can be flexibly adjusted, and the mounting is convenient;
due to the design of the connecting pads, the connecting stability is prevented from being influenced by the occurrence of gaps due to the collision of the connecting surfaces between the pipe fittings;
one end of the distance between the tail end side plate (6) and the main vertical beam (1) is 10-30mm, the supporting point of the cantilever beam (5) can move backwards, the force arm of force application of the supporting point is increased, the stress state of the cantilever beam (5) is changed, the force arm effect of the cantilever beam (5) can be offset by the supporting force, and the integral supporting stability is improved;
the main vertical beam (1) is provided with a rectangular groove and a short arm beam (3), so that an additional supporting structure is not needed, and the operation space is saved;
the force arm of force application through increasing the supporting point is reached, the stress state of the cantilever beam (5) is changed, the supporting force can offset the force arm effect of the cantilever beam (5), and the purpose of improving the overall supporting stability is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (9)
1. The utility model provides a steel construction cantilever beam node additional strengthening, characterized by: comprises a main vertical beam, a tail end fixing plate, a short arm beam, a bolt, a cantilever beam, a tail end side plate, a cantilever beam connecting plate and a front end side plate, the main vertical beam is provided with a rectangular groove, the short arm beam is sleeved in the through hole, one end of the short arm beam is symmetrically provided with two longitudinally distributed front end side plates, the front end side plate is jointed with the main vertical beam, the other end of the short arm beam is symmetrically provided with two transversely distributed tail end side plates, the front end side plate is provided with at least three mounting holes, the tail end side plate is provided with at least three mounting holes, the front end side plate is matched with the mounting hole through a bolt and is fixedly connected with the main vertical beam, the cantilever beam passes through the short arm beam, the end part of the cantilever beam arm is provided with a tail end fixing plate, a pair of cantilever beam connecting plates are arranged on the tail end fixing plate, the cantilever beam connecting plate is fixedly connected with the cantilever beam through a bolt, and the tail end fixing plate is fixedly connected with the tail end side plate through a bolt.
2. The steel structure cantilever beam node reinforcing structure of claim 1, wherein a distance of 10-30mm is provided between the end side plate and the main vertical beam, and the supporting point of the cantilever beam can move backwards to increase the force arm of the force applied by the supporting point, so as to change the stress state of the cantilever beam, and the supporting force can offset the force arm of the cantilever beam.
3. The steel structural cantilever beam joint reinforcing structure of claim 1, wherein the main vertical beam is provided with a rectangular groove and a short-armed beam design, and no additional support structure is required.
4. The steel structure cantilever beam node reinforcing structure of claim 1, wherein the short arm beam is a rectangular square tube structure corresponding to the rectangular groove, and the short arm beam is attached to the rectangular groove, so that the short arm beam and the main vertical beam are connected tightly.
5. The steel structural cantilever beam node reinforcing structure of claim 1, wherein the end fixing plate and the end side plate are connected with connection pads disposed therebetween, and connection pads are disposed between the cantilever beam connection plate and the cantilever beam.
6. The steel structural cantilever beam joint reinforcing structure of claim 1, wherein the mounting hole is a kidney-shaped hole.
7. The steel structural cantilever beam joint reinforcement of claim 2, wherein the included angle between the end side plate and the short arm beam wall is an acute angle.
8. The steel structure cantilever beam node reinforcing structure of claim 1 or 3, wherein the short-armed beam is a polymer composite plate.
9. The steel structural cantilever beam joint reinforcement structure of claim 1, wherein the cantilever beam is of i-steel construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010631563.6A CN111910759A (en) | 2020-07-03 | 2020-07-03 | Steel construction cantilever beam node additional strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010631563.6A CN111910759A (en) | 2020-07-03 | 2020-07-03 | Steel construction cantilever beam node additional strengthening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111910759A true CN111910759A (en) | 2020-11-10 |
Family
ID=73227246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010631563.6A Withdrawn CN111910759A (en) | 2020-07-03 | 2020-07-03 | Steel construction cantilever beam node additional strengthening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111910759A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368407A (en) * | 2008-09-19 | 2009-02-18 | 清华大学 | High tensility shock-resistant node of steel structure |
| CN204491845U (en) * | 2015-03-03 | 2015-07-22 | 浙江格立光电幕墙有限公司 | The syndeton of column and crossbeam |
| CN206646656U (en) * | 2017-02-14 | 2017-11-17 | 中南建筑设计院股份有限公司 | A kind of punching connecting node of rectangular steel pipe beam and concrete-filled circular steel tube column |
| CN110607846A (en) * | 2019-09-30 | 2019-12-24 | 安徽建筑大学 | Detachable assembly type beam column node |
-
2020
- 2020-07-03 CN CN202010631563.6A patent/CN111910759A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368407A (en) * | 2008-09-19 | 2009-02-18 | 清华大学 | High tensility shock-resistant node of steel structure |
| CN204491845U (en) * | 2015-03-03 | 2015-07-22 | 浙江格立光电幕墙有限公司 | The syndeton of column and crossbeam |
| CN206646656U (en) * | 2017-02-14 | 2017-11-17 | 中南建筑设计院股份有限公司 | A kind of punching connecting node of rectangular steel pipe beam and concrete-filled circular steel tube column |
| CN110607846A (en) * | 2019-09-30 | 2019-12-24 | 安徽建筑大学 | Detachable assembly type beam column node |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201110 |