CN109707042A - A kind of Self-resetting frame center support system with L-type part connecting node - Google Patents
A kind of Self-resetting frame center support system with L-type part connecting node Download PDFInfo
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- CN109707042A CN109707042A CN201910071416.5A CN201910071416A CN109707042A CN 109707042 A CN109707042 A CN 109707042A CN 201910071416 A CN201910071416 A CN 201910071416A CN 109707042 A CN109707042 A CN 109707042A
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- beam section
- steel pipe
- inclined support
- shaped beam
- support bar
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Abstract
The present invention relates to a kind of Self-resetting frame center support systems with L-type part connecting node, belong to structural engineering field.The system includes two welding combination quadrate steel pipe columns, two square steel tube center pillars with cantilever beam section, an I-shaped beam section with inclined support bar, two anti-buckling supports, combination automatic runback device and several attachment devices；By increasing the combination automatic runback device being made of drag-line, tooling and beam column node connection device, the total bearing capacity of node can be effectively improved and being avoided that the excessive overstressing load to I-shaped beam section of drag-line pretension in combination automatic runback device；It is equipped with anti-buckling support between beam column, improves frame entirety stability and energy dissipation capacity, and reduce the operating pressure of drag-line, promotes the realization of frame structure system Self-resetting.
Description
Technical field
This patent is related to a kind of Self-resetting frame center support system with L-type part connecting node, belongs to Structural Engineering skill
Art field.
Background technique
Assembling type steel structure building system has become the new direction and new trend of construction steel structure development, has design standard
Change, production plant, construction assembling, the advantages that greening building energy saving is environmentally friendly.Wherein, the connection type of component occupies important
A ring.Traditional steel frame often uses the mode of welding in work progress at the scene, but due to construction site environment complexity,
So that the bad assurance of construction quality of welding, being bolted preferably to carry out control to construction quality, but exists centainly
Design difficulty.How welding is stayed in the better factory of working environment to carry out, is only bolted at the construction field (site), is
Major issue in prefabricated construction field.
Existing more high-rise public buildings and residential housing will lead to building and terminate use once seismic Damage occurs, right
Social economy restores and people's life will cause to seriously affect, and the repair after shake is even more time-consuming and laborious.How to pass through
Reasonable Frame Design not only can guarantee collapse resistant capacity of the structure in earthquake, but also can reduce the warp of repairing and reinforcement after structure shake
Help cost and time cost, realize after the shake of building structure function can fast quick-recovery, be the Important Problems of structural seismic research.
In order to overcome the problems referred above, this patent proposes a kind of Self-resetting frame center supporter with L-type part connecting node
System.The bolted on part fastening work of component is convenient and efficient, accelerates speed of application, and using the high-strength spiral shell at connecting plate
Bolt friction energy-dissipating avoids the damage of the main components such as beam column.When geological process occurs, anti-buckling support can play good energy consumption
Effect, while I-shaped beam section can automatically restore to original position under the action of drag-line.
Summary of the invention
A kind of Self-resetting frame center support system with L-type part connecting node proposed by the present invention, geological process occur
When, anti-buckling support can play the role of good energy consumption, while I-shaped beam section can automatically restore to original position under the action of drag-line
It sets.
To achieve the above object, the present invention uses following technological means:
A kind of Self-resetting frame center support system with L-type part connecting node, it is characterised in that the system includes two
Welding combination quadrate steel pipe column, two square steel tube center pillars with cantilever beam section, an I-shaped beam section with inclined support bar, two anti-bend
Song support, combination automatic runback device and several attachment devices；The system has runback bit function after shake, the combination Self-resetting
Device includes two toolings, a drag-line and two beam column node connection devices, is one of the innovative point of this patent, bean column node
Cantilever beam section in square steel tube center pillar with cantilever beam section is closely connect by attachment device with I-shaped beam section, the group of cover board and drag-line
It closes the total bearing capacity that can improve node and is avoided that drag-line prestressing force is to the overstressing of I-shaped beam section in combination automatic runback device
Load；Each beam column node connection device includes two top flange cover boards, a lower flange cover board and four L-type parts, beam section abdomen
Plate can reduce the rotation displacement of I-shaped beam section generation by the way of the connection of L-type part；In square steel tube center pillar with cantilever beam section
Cantilever beam section held out against with I-shaped beam section, left no gaps after installation, can reduce the prestressing force due to caused by beam-ends rotation displacement damage
It loses, the effect of drag-line can control the accumulation of development and the damage of plastic deformation, thus the anti-seismic performance of lift structure and reset energy
Power；And the described combination automatic runback device and anti-buckling support work together, drag-line and anti-buckling support collective effect are realized certainly
Reset effect；The energy dissipation capacity of anti-buckling support reduces the operating pressure of drag-line, improves the stability and Self-resetting of structure
Ability.
The described welding combination quadrate steel pipe column is by the upper quadrate steel pipe column of flange plate, middle quadrate steel pipe column, cantilever beam section and the
One inclined support bar is welded；The I-shaped beam section with inclined support bar is by I-shaped beam section and two the second inclined support bars with two
The first attachment device of group is formed by connecting；The combination automatic runback device includes two toolings, a drag-line and two beam column sections
Point attachment device；The system is symmetrically arranged, and two square steel tube center pillars with cantilever beam section combine square steel tube with two welding
Column passes through two group of second attachment device connection respectively；Two square steel tube center pillars with cantilever beam section are located at inclined support bar
I-shaped beam section both ends, the cantilever respectively by two beam column node connection device connections, in the square steel tube center pillar with cantilever beam section
Beam section is held out against with I-shaped beam section, does not stay seam after being installed, in the cantilever beam section welding tooling, is drawn for stay guy and auxiliary
Rope applies pretension；Described two anti-buckling supports combine quadrate steel pipe column and band with welding by four groups of third attachment devices respectively
The I-shaped beam section of inclined support bar connects, and anti-buckling support lower end passes through third with the first inclined support bar that quadrate steel pipe column is combined in welding
Attachment device connection, anti-buckling support upper end pass through the second oblique branch in third attachment device and the I-shaped beam section with inclined support bar
Strut connection.
Cantilever beam section in square steel tube center pillar of the system with cantilever beam section is held out against with I-shaped beam section, does not stay seam after installation
Gap, is avoided that the loss of prestress due to caused by beam-ends rotation displacement, and edge of a wing upper cover plate uses inner cover plate design, is convenient for and building
The connection of plate, lower flange cover board use outer cover plate design, cantilever beam section and I-shaped in the square steel tube center pillar with cantilever beam section
Bolt unsymmetrical arrangement at beam section lower flange, it is therefore intended that first install cantilever beam section lower flange cover board, lower flange cover board can be made
For the rest of I-shaped beam section during the installation process, accelerate speed of application, improves construction quality, adapt to the hair of assembling type steel structure
Exhibition.
The advantages of this patent, is mainly manifested in the following aspects:
1, combination automatic runback device includes two toolings, a drag-line and two beam column node connection devices, is drawn with tradition
Rope automatic runback device is compared, in the identical situation of drag-line pretension, using the entirety of the bean column node of combination automatic runback device
Bearing capacity can be higher；In the identical situation of bearing capacity of bean column node, the drag-line prestressing force demand meeting of automatic runback device is combined
It reduces, is avoided that the excessive overstressing load to I-shaped beam section of drag-line prestressing force；By rationally designing Suo Li size, make structure most
The accumulation for controlling to big degree development and the damage of plastic deformation, makes structure have good anti-seismic performance and reset capability.
2, Self-resetting after shaking.Anti-buckling support and drag-line collective effect, cooperate.It is anti-buckling when geological process occurs
Support can play the role of good energy consumption, greatly reduce earthquake load bring influence, when earthquake load cause it is bigger
When influence, I-shaped beam section can automatically restore to original position under the action of drag-line, realize runback bit function after antidetonation and shake.
3, to be arranged to inner cover board-like for top flange cover board in the system, and concrete outside top flange can be made more smooth, and bottom wing
Edge cover board is arranged to that outer cover is board-like, can be used as the rest of I-beam during the installation process, while being also convenient for node in use process
In edge of a wing cover board bending deformation is observed, the with good performance visual and replacement property sentenced.
4, each component of the system and nodal connection device welding portion are completed in factory, and weld seam precision and quality is more
Easy to control, each component is assembled only with high-strength bolt in scene, and the fastening work of bolt is convenient and efficient, improves construction speed
Degree and construction quality, adapt to the development of assembling type steel structure.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional figure of Self-resetting frame center support system with L-type part connecting node；
Fig. 2 is a kind of broken away view of Self-resetting frame center support system with L-type part connecting node；
Fig. 3 is a kind of front view of Self-resetting frame center support system with L-type part connecting node.
Specific embodiment
With reference to the accompanying drawing, the embodiment of this patent is described in detail.
As shown in Figures 1 to 3, a kind of Self-resetting frame center support system with L-type part connecting node includes with lower member.
1 --- welding combination quadrate steel pipe column；
2 --- the square steel tube center pillar with cantilever beam section；
3 --- the I-shaped beam section with inclined support bar；
4 --- anti-buckling support；
5 --- combination automatic runback device；
6 --- beam column node connection device；
7 --- the first attachment device；
8 --- the second attachment device；
9 --- third attachment device；
10 --- the upper quadrate steel pipe column of flange plate；
11 --- middle quadrate steel pipe column；
12 --- cantilever beam section；
13 --- I-shaped beam section；
14 --- the first inclined support bar；
15 --- the second inclined support bar；
16 --- tooling；
17 --- drag-line；
18 --- top flange cover board；
19 --- lower flange cover board；
20 --- L-type part.
As shown in Figures 1 to 3, which includes that quadrate steel pipe column (1), two square steel tubes with cantilever beam section are combined in two welding
Center pillar (2), an I-shaped beam section (3) with inclined support bar, two anti-buckling supports (4), combination automatic runback device (5) and number
A attachment device；The welding combines quadrate steel pipe column (1) by upper quadrate steel pipe column (10), the middle quadrate steel pipe column of flange plate
(11), cantilever beam section (12) and the first inclined support bar (14) are welded, and the I-shaped beam section (3) with inclined support bar is by work
Word beam section (13) and two the second inclined support bars (15) are formed by connecting with two group of first attachment device (7)；The combination runback
Position device (5) includes two toolings (16), a drag-line (17) and two beam column node connection devices (6), which connects
Connection device (6) includes two top flange cover boards (18), a lower flange cover board (19) and four L-type parts (20).
As shown in Figure 1, 2, which is symmetrically arranged, two square steel tube center pillars (2) with cantilever beam section and two welderings
It connects combination quadrate steel pipe column (1) and passes through two group of second attachment device (8) connection；Two square steel tube center pillars (2) with cantilever beam section point
It Wei Yu not be connected with I-shaped beam section (3) both ends of inclined support bar by two beam column node connection devices (6)；It is described two anti-
Buckling support (4) combines quadrate steel pipe column (1) and the I-shaped beam section with inclined support bar by four third attachment devices (9) with welding
(3) it connects, the first inclined support bar (14) that anti-buckling support (4) lower end combines quadrate steel pipe column with welding is connected by third to be filled
(9) connection is set, anti-buckling support (4) upper end passes through second in third attachment device (9) and the I-shaped beam section with inclined support bar
Inclined support bar (15) connection.
As shown in Figure 1, the cantilever beam section in the square steel tube center pillar (2) with cantilever beam section is held out against with I-shaped beam section (13), peace
Seam is not stayed after the completion of dress；Cantilever beam section welding tooling (16) in the square steel tube center pillar (2) with cantilever beam section is drawn for fixed
Rope (17) and preventer guy apply pretension；At the beam column node connection device (6), top flange cover board (18) is set as
Inner cover is board-like, and lower flange cover board (19) uses outer cover plate design, the cantilever beam in the square steel tube center pillar (2) with cantilever beam section
Bolt unsymmetrical arrangement at section and I-shaped beam section (13) lower flange, it is therefore intended that first install cantilever beam section lower flange cover board
(19), lower flange cover board (19) can be as the rest of I-shaped beam section (13) during the installation process.
Claims (4)
1. a kind of Self-resetting frame center support system with L-type part connecting node, it is characterised in that: the system includes two welderings
Connect combination quadrate steel pipe column, two square steel tube center pillars with cantilever beam section, an I-shaped beam section with inclined support bar, two it is anti-buckling
Support, combination automatic runback device and several attachment devices；The welding combines quadrate steel pipe column by the upper square steel tube of flange plate
Column, middle quadrate steel pipe column, cantilever beam section and the first inclined support bar are welded, and middle quadrate steel pipe column is welded in quadrate steel pipe column can not be blue
The lower end of disk, cantilever beam section are welded on middle quadrate steel pipe column, and the first inclined support bar is welded in the upper of cantilever beam section and flange plate
Quadrate steel pipe column junction；The I-shaped beam section with inclined support bar is by I-shaped beam section and two the second inclined support bars with two group
One attachment device is formed by connecting, and two the second inclined support bars are located at I-shaped beam section middle position, and are connected to I-shaped beam section bottom wing
Edge；The combination automatic runback device includes two toolings, a drag-line and two beam column node connection devices, the beam column
Nodal connection device totally two, each beam column node connection device includes two top flange cover boards, a lower flange cover board and four
A L-type part, two top flange cover boards are located on the inside of I-shaped beam section top flange, are respectively in I-shaped beam section web two sides and are arranged symmetrically,
Be conducive to the connection with floor, while being avoided that the bent influence to floor of cover board drum, four L-type parts are used for the company of web position
It connects, two L-type parts are respectively in I-shaped beam section web two sides and are arranged symmetrically, and another two L-type part is respectively in the square steel with cantilever beam section
The web two sides of cantilever beam section in pipe center pillar are arranged symmetrically, and L-type part is connect with beam section by high-strength bolt, then web two sides
L-type part respectively by high-strength bolt connect, a lower flange cover board be located at I-shaped beam section lower flange outside；System or so pair
Claim arrangement, a square steel tube center pillar with cantilever beam section combines quadrate steel pipe column with a welding and connects by one group of second attachment device
It connects, another square steel tube center pillar with cantilever beam section combines quadrate steel pipe column with another welding and passes through another group of the second attachment device
Connection；Two square steel tube center pillars with cantilever beam section are located at the I-shaped beam section both ends with inclined support bar, pass through two respectively
Beam column node connection device connects, and the cantilever beam section in the square steel tube center pillar with cantilever beam section is held out against with I-shaped beam section, installs
It does not stay seam after, in the cantilever beam section welding tooling, applies pretension for stay guy and preventer guy；It is described two anti-in the wrong
Quadrate steel pipe column is combined in song support by four groups of third attachment devices with welding and the I-shaped beam section with inclined support bar connects, anti-buckling
Support lower end is connected with the first inclined support bar that quadrate steel pipe column is combined in welding by third attachment device, and anti-buckling support upper end is logical
Third attachment device is crossed to connect with the second inclined support bar in the I-shaped beam section with inclined support bar.
2. a kind of Self-resetting frame center support system with L-type part connecting node according to claim 1, feature exist
In the high-strength bolt that: first attachment device is I-shaped beam section and the second inclined support bar junction, totally two groups.
3. a kind of Self-resetting frame center support system with L-type part connecting node according to claim 1, feature exist
In: second attachment device is the high-strength spiral shell of welding combination quadrate steel pipe column and the square steel tube center pillar junction with cantilever beam section
Bolt group, totally two groups.
4. a kind of Self-resetting frame center support system with L-type part connecting node according to claim 1, feature exist
In: the third attachment device is the high-strength bolt of anti-buckling support and inclined support bar junction, totally four groups, is used for two
Connection between anti-buckling support and four inclined support bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071416.5A CN109707042A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting frame center support system with L-type part connecting node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071416.5A CN109707042A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting frame center support system with L-type part connecting node |
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| CN109707042A true CN109707042A (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910071416.5A Pending CN109707042A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting frame center support system with L-type part connecting node |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175078A (en) * | 2021-04-21 | 2021-07-27 | 哈尔滨工业大学 | Novel assembled buckling restrained brace steel frame structure rotates connected node unit |
| CN113445800A (en) * | 2021-06-29 | 2021-09-28 | 南通装配式建筑与智能结构研究院 | Bearing side separation resisting mechanism system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113175078A (en) * | 2021-04-21 | 2021-07-27 | 哈尔滨工业大学 | Novel assembled buckling restrained brace steel frame structure rotates connected node unit |
| CN113445800A (en) * | 2021-06-29 | 2021-09-28 | 南通装配式建筑与智能结构研究院 | Bearing side separation resisting mechanism system |
| CN113445800B (en) * | 2021-06-29 | 2022-12-06 | 南通装配式建筑与智能结构研究院 | Bearing side separation resisting mechanism system |
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Application publication date: 20190503 |