CN110388089A - A kind of connection joints of steel structure reinforcement structure - Google Patents
A kind of connection joints of steel structure reinforcement structure Download PDFInfo
- Publication number
- CN110388089A CN110388089A CN201910694330.8A CN201910694330A CN110388089A CN 110388089 A CN110388089 A CN 110388089A CN 201910694330 A CN201910694330 A CN 201910694330A CN 110388089 A CN110388089 A CN 110388089A
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- CN
- China
- Prior art keywords
- cutting ferrule
- support rail
- bar
- steel
- connecting column
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Classifications
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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
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- 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
- E04B2001/2445—Load-supporting elements with reinforcement at the connection point other than the connector
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention relates to a kind of connection joints of steel structure reinforcement structures, including connecting column, H profile steel, cutting ferrule, lockplate, locking bolt and supporting mechanism, the connecting column is cylindrical structure, link slot there are three being uniformly arranged on the lateral surface of connecting column, one group of H profile steel is mounted on each link slot on connecting column, a cutting ferrule is arranged in every group of H profile steel, lockplate is distributed on the lower end inside face of cutting ferrule, the upper side of lockplate is tightly attached on the bottom of the H profile steel of connecting column lower end, the bottom of lockplate is connected with the upper end of locking bolt, the mode being connected through a screw thread in the middle part of locking bolt is connected with the lower wall of cutting ferrule, a supporting mechanism is mounted between two adjacent cutting ferrules.When the present invention can solve existing H profile steel and connect with support post, the angle between H profile steel can not be limited, the globality poor between H profile steel and support column, H profile steel and support column can not disassembly & recycling the problems such as.
Description
Technical field
The present invention relates to steel structure technology field, in particular to a kind of connection joints of steel structure reinforcement structure.
Background technique
The structure that steel construction is made of steel material is one of the main building type in modern architecture；Structure is main
The components such as the joist steel made of fashioned iron and steel plate etc., steel column, steel truss form, generallyd use between each component or component weld seam,
Bolt or rivet interlacement.Steel building is widely used in the fields such as large-sized workshop, venue because of relatively light and easy construction of being self-possessed.
In steel building, the dosage of H profile steel is more, and node of the H profile steel in steel building is generally connected to prop up
It supports on column, consolidation process is carried out to H profile steel and support post again later, the joint reinforcing of steel construction is insecure to be existed centainly
Security risk, the node of H profile steel generally passes through bolt and H profile steel is locked on support post, later that H profile steel and support is vertical
Column carry out soldering, this reinforcing mode to steel structure node there are the problem of it is as follows:
When H profile steel and support post are attached locking, the angle between H profile steel can not be limited, H profile steel and support
Globality between column is poor, and H profile steel and support column can not carry out disassembly & recycling, H profile steel and support column prolonged use
There can be the hidden danger for the variation that angle occurs.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of connection joints of steel structure reinforcement structures, including connecting column, H
Fashioned iron, cutting ferrule, lockplate, locking bolt and supporting mechanism, the connecting column is cylindrical structure, on the lateral surface of connecting column
It is uniformly arranged there are three link slot, is mounted on one group of H profile steel on each link slot on connecting column, is covered in every group of H profile steel
Equipped with a cutting ferrule, lockplate is distributed on the lower end inside face of cutting ferrule, the upper side of lockplate is tightly attached under connecting column
On the bottom of the H profile steel at end, the bottom of lockplate is connected with the upper end of locking bolt, and the middle part of locking bolt is connected by screw thread
The mode connect is connected with the lower wall of cutting ferrule, is mounted on a supporting mechanism, energy of the present invention between two adjacent cutting ferrules
It is enough firmly to be locked the node of steel construction, the variation that angle occurs between the H profile steel of steel construction and connecting column is prevented, is increased
Add the globality of steel structure node, the upper end of cutting ferrule can limit the H profile steel of connecting column upper end, by tightening locking spiral shell
Bolt enables lockplate to lock the H profile steel of connecting column lower end, and cutting ferrule is matched with supporting mechanism can be by steel knot
The node of structure carries out stable lock.
Arc groove is symmetrically arranged on the lateral surface of the cutting ferrule, arc groove upper end left and right ends are provided on cutting ferrule
Threaded hole is evenly arranged with inserting hole on the medial surface of cutting ferrule, and the arc groove on inserting hole and cutting ferrule on cutting ferrule is connected state
State.
The supporting mechanism includes support rail, locating piece, slide mass, sliding bar, sliding shoe, oblique fulcrum bar, fixed spiral shell
Bolt and positioning bolt, support rail are evenly distributed between two adjacent cutting ferrules, the support rail or so positioned at cutting ferrule upper end
Both ends are mounted on a locating piece, are provided with circular hole on locating piece, and positioning bolt is distributed in the circular hole on locating piece, positioning
Block is mounted in the threaded hole of cutting ferrule by positioning bolt；
The left and right ends of each support rail are distributed with a slide mass, and the slide mass positioned at cutting ferrule upper end is mounted on
On locating piece, the slide mass of remaining support rail outer end distribution is mounted on support rail, and the outer end of slide mass is connected to cutting ferrule
In the arc groove of setting, and it is to be detachably connected between slide mass and arc groove, is provided with threaded hole on the lateral surface of slide mass,
Fixing bolt is located at the inside of cutting ferrule, and the middle part of fixing bolt passes through the inserting hole on cutting ferrule, and the outer end of fixing bolt is locked and slided
The threaded hole of kinetoplast is connected；
The left and right ends of support rail are provided with a square groove, are mounted on one in each square groove on support rail
A sliding bar is mounted on a sliding shoe on the middle part of each sliding bar, is distributed between two adjacent support rails
Two oblique fulcrum bars, oblique fulcrum bar tilt arranged crosswise, and the junction of oblique fulcrum bar is connected by pin shaft, and the upper and lower ends of oblique fulcrum bar are logical
Pin shaft is crossed to be separately mounted on sliding shoe lateral surface corresponding with its position, when specific works, the support positioned at cutting ferrule upper end
Cross bar is locked between two adjacent cutting ferrules by locating piece, so that the position for being located at cutting ferrule upper end support rail is determined
Position, slide mass can be slided in arc groove, so that the distance between support rail can be adjusted, be adjusted when any
When position between two neighboring support rail is adjusted, oblique fulcrum bar will drive the adjusting that sliding shoe carries out position, so that phase
It is able to carry out the adjusting of distance between two adjacent support rails, is later locked slide mass by fixing bolt.
As a preferred technical solution of the present invention, the slide mass is chondritic, and slide mass is matched by sliding
The mode of conjunction is connected with the arc groove that cutting ferrule is arranged, and the chondritic of slide mass can increase the mobile smooth degree of slide mass.
As a preferred technical solution of the present invention, it is distributed between adjacent two H profile steel and two H profile steels
Support rail form triangular structure, to increase the stability of two neighboring H profile steel.
As a preferred technical solution of the present invention, the oblique fulcrum bar that is distributed between adjacent two support rail
Two support rails are separated into four triangular structures, the triangular structure that oblique fulcrum bar can be formed with support rail can increase
Add the stability between two adjacent support rails.
As a preferred technical solution of the present invention, one is provided in the middle part of each support rail and is withheld
Hole, the withholding to be interspersed in hole of support rail withhold bar, and the inner end for withholding bar is equipped with by bearing withholds block.
As a preferred technical solution of the present invention, the hole of withholding on the support rail is threaded hole, withholds bar
The diameter of outer end is greater than the diameter of inner end, and withholds and be provided with external screw thread on the outer end of bar, withholds outer end and the support rail of bar
On hole of withholding be to be threadedly engaged, by rotary buckle compression bar, enable and withhold block and deduct on the lateral surface of connecting column, increase
The globality of steel structure node.
As a preferred technical solution of the present invention, the block of withholding is arcuate structure, withholds block and is against connecting column
Side on, the arcuate structure for withholding block can increase fiting effect with connecting column.
The beneficial effects of the present invention are:
One, the present invention carries out locking reinforcing to the node of steel structure connection using dismountable structure, increase steel construction it
Between globality, the present invention can lock the node in steel construction with the principle of " triangular reinforced ", increase steel construction
Stability, prevent steel construction exist occur angle change hidden danger；
Two, the support rail composition triangular structure being distributed between the present invention adjacent two H profile steels and two H profile steels,
To increase the stability of two neighboring H profile steel；The triangular structure that oblique fulcrum bar can be formed with support rail can increase phase
Stability between two adjacent support rails；
Three, the hole of withholding withheld in the present invention on the outer end and support rail of bar is to be threadedly engaged, thus rotary buckle compression bar
It enables to withhold block deduction on the lateral surface of connecting column, increases the globality of steel structure node, withhold the arcuate structure of block
The fiting effect with connecting column can be increased.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is first structure diagram of the invention；
Fig. 2 is the second structural schematic diagram of the invention；
Fig. 3 is third structural schematic diagram of the invention；
Fig. 4 is the cross-sectional view between cutting ferrule and supporting mechanism of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.It should be noted that in the absence of conflict, embodiment in the application and
Feature in embodiment can be combined with each other.
As shown in Figures 1 to 4, a kind of connection joints of steel structure reinforcement structure, including connecting column 1, H profile steel 2, cutting ferrule 3, lock
Fixed board 4, locking bolt 5 and supporting mechanism 6, the connecting column 1 are cylindrical structure, are uniformly set on the lateral surface of connecting column 1
It sets there are three link slot, is mounted on one group of H profile steel 2 on each link slot on connecting column 1, is arranged in every group of H profile steel 2
Lockplate 4 is distributed on the lower end inside face of cutting ferrule 3 in one cutting ferrule 3, and the upper side of lockplate 4 is tightly attached under connecting column 1
On the bottom of the H profile steel 2 at end, the bottom of lockplate 4 is connected with the upper end of locking bolt 5, and the middle part of locking bolt 5 passes through spiral shell
The mode of line connection is connected with the lower wall of cutting ferrule 3, and a supporting mechanism 6 is mounted between two adjacent cutting ferrules 3, this
Invention can firmly be locked the node of steel construction, prevent that angle occurs between the H profile steel 2 of steel construction and connecting column 1
Variation, increase the globality of steel structure node, the upper end of cutting ferrule 3 can limit the H profile steel 2 of 1 upper end of connecting column, lead to
It crosses and tightens locking bolt 5, lockplate 4 is locked the H profile steel 2 of 1 lower end of connecting column, cutting ferrule 3 and support machine
Structure 6, which matches, can carry out the node of steel construction stable lock.
Arc groove 31 is symmetrically arranged on the lateral surface of the cutting ferrule 3,31 upper end left and right ends of arc groove are equal on cutting ferrule 3
It is provided with threaded hole, inserting hole is evenly arranged on the medial surface of cutting ferrule 3, the inserting hole on cutting ferrule 3 and the arc groove on cutting ferrule 3
31 be connected state.
The supporting mechanism 6 include support rail 61, locating piece 62, slide mass 63, sliding bar 64, sliding shoe 65, tiltedly
Strut 66, fixing bolt 67 and positioning bolt 68, support rail 61 are evenly distributed between two adjacent cutting ferrules 3, are located at card
61 left and right ends of support rail for covering 3 upper ends are mounted on a locating piece 62, and circular hole, locating piece 62 are provided on locating piece 62
On circular hole in be distributed with positioning bolt 68, locating piece 62 is mounted in the threaded hole of cutting ferrule 3 by positioning bolt 68；
The left and right ends of each support rail 61 are distributed with a slide mass 63, the slide mass 63 positioned at 3 upper end of cutting ferrule
It is mounted on locating piece 62, the slide mass 63 of remaining 61 outer end of support rail distribution is mounted on support rail 61, slide mass 63
Outer end be connected in the arc groove 31 of the setting of cutting ferrule 3, and to be detachably connected between slide mass 63 and arc groove 31, slide mass
Threaded hole is provided on 63 lateral surface, fixing bolt 67 is located at the inside of cutting ferrule 3, and the middle part of fixing bolt 67 passes through cutting ferrule 3
On inserting hole, fixing bolt 67 outer end lock is connected with the threaded hole of slide mass 63；
The left and right ends of support rail 61 are provided with a square groove, are respectively mounted in each square groove on support rail 61
There is a sliding bar 64, a sliding shoe 65, two adjacent support rails 61 are mounted on the middle part of each sliding bar 64
Between be distributed with two oblique fulcrum bars 66, oblique fulcrum bar 66 tilts arranged crosswise, and the junction of oblique fulcrum bar 66 is connected by pin shaft,
The upper and lower ends of oblique fulcrum bar 66 are separately mounted on 65 lateral surface of sliding shoe corresponding with its position by pin shaft, specific works
When, the support rail 61 positioned at 3 upper end of cutting ferrule is locked between two adjacent cutting ferrules 3 by locating piece 62, so that being located at card
The position for covering 3 upper end support rails 61 is positioned, and slide mass 63 can be slided in arc groove 31, so that support rail
The distance between 61 can be adjusted, when arbitrarily adjusting the position between two neighboring support rail 61 and being adjusted, tiltedly
Strut 66 will drive the adjusting that sliding shoe 65 carries out position, so that being able to carry out distance between two adjacent support rails 61
Adjusting, slide mass 63 is locked by fixing bolt 67 later.
The slide mass 63 is chondritic, the arc that slide mass 63 is arranged by way of being slidably matched with cutting ferrule 3
Slot 31 is connected, and the chondritic of slide mass 63 can increase the mobile smooth degree of slide mass 63.
The support rail 61 being distributed between adjacent two H profile steel 2 and two H profile steels 2 forms triangular structure,
To increase the stability of two neighboring H profile steel 2.
Two support rails 61 are separated into four by the oblique fulcrum bar 66 being distributed between adjacent two support rail 61
A triangular structure, it is horizontal that the triangular structure that oblique fulcrum bar 66 can be formed with support rail 61 can increase by two adjacent supports
Stability between bar 61.
The middle part of each support rail 61 is provided with one and withholds hole, and withholding in hole for support rail 61 interts
Bar 611 is withheld, the inner end for withholding bar 611 is equipped with by bearing withholds block 612.
Hole of withholding on the support rail 61 is threaded hole, and the diameter for withholding 611 outer end of bar is greater than the diameter of inner end,
And withhold and be provided with external screw thread on the outer end of bar 611, it withholds the outer end of bar 611 and matches with the hole of withholding on support rail 61 for screw thread
It closes, by rotary buckle compression bar 611, enables and withhold block 612 and deduct on the lateral surface of connecting column 1, increase steel structure node
Globality.
The block 612 of withholding is arcuate structure, withholds block 612 and is against on the side of connecting column 1, withholds the arc of block 612
Shape structure can increase the fiting effect with connecting column 1.
When work, the present invention after H profile steel 2 is installed on connecting column 1 can the angle to H profile steel 2 carry out reinforcing limit,
The variation that angle occurs between H profile steel 2 and connecting column 1 is prevented, increases the globality of steel structure node, the upper end of cutting ferrule 3 can
The H profile steel 2 of 1 upper end of connecting column is limited, by tightening locking bolt 5, enables lockplate 4 by 1 lower end of connecting column
H profile steel 2 locked, the support rail 61 positioned at 3 upper end of cutting ferrule is locked in two adjacent cutting ferrules 3 by locating piece 62
Between, so that the position for being located at 3 upper end support rail 61 of cutting ferrule is positioned, slide mass 63 can be slided in arc groove 31
It is dynamic, so that the distance between support rail 61 can be adjusted, it is distributed between adjacent two H profile steels 2 and two H profile steels 2
Support rail 61 form triangular structure, it is two neighboring when arbitrarily adjusting to increase the stability of two neighboring H profile steel 2
When position between support rail 61 is adjusted, oblique fulcrum bar 66 will drive the adjusting that sliding shoe 65 carries out position, so that adjacent
Two support rails 61 between be able to carry out the adjusting of distance, slide mass 63 is locked by fixing bolt 67 later
Fixed, the triangular structure that oblique fulcrum bar 66 can be formed with support rail 61 can increase between two adjacent support rails 61
Stability is enabled by rotary buckle compression bar 611 and is withheld block 612 and deduct on the lateral surface of connecting column 1, increases steel construction
The globality of node, the arcuate structure for withholding block 612 can increase fiting effect with connecting column 1.
The present invention can the node to steel structure connection carry out locking reinforcing, increase the globality between steel construction, this hair
It is bright the node in steel construction to be locked with the principle of " triangular reinforced ", increase the stability of steel construction, prevents steel
There is the hidden danger that angle change occurs in structure.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.
Claims (7)
1. a kind of connection joints of steel structure reinforcement structure, including connecting column (1), H profile steel (2), cutting ferrule (3), lockplate (4), lock
Determine bolt (5) and supporting mechanism (6), it is characterised in that: the connecting column (1) is cylindrical structure, the outside of connecting column (1)
It is uniformly arranged on face there are three link slot, is mounted on one group of H profile steel (2), every group of H on each link slot on connecting column (1)
It is arranged with a cutting ferrule (3) on fashioned iron (2), is distributed with lockplate (4) on the lower end inside face of cutting ferrule (3), lockplate (4)
Upper side is tightly attached on the bottom of the H profile steel (2) of connecting column (1) lower end, the bottom and locking bolt (5) of lockplate (4)
Upper end be connected, the mode being connected through a screw thread in the middle part of locking bolt (5) is connected with the lower wall of cutting ferrule (3), adjacent
Two cutting ferrules (3) between be mounted on a supporting mechanism (6)；Wherein:
It is symmetrically arranged with arc groove (31) on the lateral surface of the cutting ferrule (3), arc groove (31) upper end or so two on cutting ferrule (3)
End is provided with threaded hole, and inserting hole is evenly arranged on the medial surface of cutting ferrule (3), the inserting hole on cutting ferrule (3) and cutting ferrule (3)
On arc groove (31) be connected state；
The supporting mechanism (6) includes support rail (61), locating piece (62), slide mass (63), sliding bar (64), sliding shoe
(65), oblique fulcrum bar (66), fixing bolt (67) and positioning bolt (68), support rail (61) are evenly distributed on two adjacent cards
It covers between (3), support rail (61) left and right ends for being located at cutting ferrule (3) upper end are mounted on a locating piece (62), locating piece
(62) it is provided with circular hole on, is distributed in the circular hole on locating piece (62) positioning bolt (68), locating piece (62) passes through positioning spiral shell
Bolt (68) is mounted in the threaded hole of cutting ferrule (3)；
The left and right ends of each support rail (61) are distributed with a slide mass (63), are located at the slide mass of cutting ferrule (3) upper end
(63) it is mounted on locating piece (62), the slide mass (63) of remaining support rail (61) outer end distribution is mounted on support rail (61)
On, the outer end of slide mass (63) is connected in the arc groove (31) of cutting ferrule (3) setting, is provided on the lateral surface of slide mass (63)
Threaded hole, fixing bolt (67) are located at the inside of cutting ferrule (3), and the middle part of fixing bolt (67) passes through the inserting hole on cutting ferrule (3),
The outer end lock of fixing bolt (67) is connected with the threaded hole of slide mass (63)；
The left and right ends of support rail (61) are provided with a square groove, are respectively mounted in each square groove on support rail (61)
There is a sliding bar (64), a sliding shoe (65), two adjacent supports are mounted on the middle part of each sliding bar (64)
Two oblique fulcrum bars (66) are distributed between cross bar (61), oblique fulcrum bar (66) tilts arranged crosswise, the junction of oblique fulcrum bar (66)
It is connected by pin shaft, the upper and lower ends of oblique fulcrum bar (66) are separately mounted to sliding shoe corresponding with its position by pin shaft
(65) on lateral surface.
2. a kind of connection joints of steel structure reinforcement structure according to claim 1, it is characterised in that: the slide mass
It (63) is chondritic, slide mass (63) is connected by way of being slidably matched with the arc groove (31) of cutting ferrule (3) setting.
3. a kind of connection joints of steel structure reinforcement structure according to claim 1, it is characterised in that: adjacent two
Support rail (61) the composition triangular structure being distributed between a H profile steel (2) and two H profile steels (2).
4. a kind of connection joints of steel structure reinforcement structure according to claim 1, it is characterised in that: adjacent two
Two support rails (61) are separated into four triangular structures by the oblique fulcrum bar (66) being distributed between a support rail (61).
5. a kind of connection joints of steel structure reinforcement structure according to claim 1, it is characterised in that: each support
It is provided with one in the middle part of cross bar (61) and withholds hole, the withholding to be interspersed in hole of support rail (61) withholds bar (611), withholds
The inner end of bar (611) is equipped with by bearing withholds block (612).
6. a kind of connection joints of steel structure reinforcement structure according to claim 5, it is characterised in that: the support rail
(61) hole of withholding on is threaded hole, and the diameter for withholding bar (611) outer end is greater than the diameter of inner end, and withholds the outer of bar (611)
External screw thread is provided on end, withholding the outer end of bar (611) with the hole of withholding on support rail (61) is to be threadedly engaged.
7. a kind of connection joints of steel structure reinforcement structure according to claim 5, it is characterised in that: described withholds block
(612) it is arcuate structure, withholds block (612) and be against on the side of connecting column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694330.8A CN110388089B (en) | 2019-07-30 | 2019-07-30 | Steel construction connected node additional strengthening |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694330.8A CN110388089B (en) | 2019-07-30 | 2019-07-30 | Steel construction connected node additional strengthening |
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| CN110388089A true CN110388089A (en) | 2019-10-29 |
| CN110388089B CN110388089B (en) | 2021-01-22 |
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| CN111021746A (en) * | 2019-12-25 | 2020-04-17 | 武金峰 | Processing and manufacturing method of light steel truss reinforcing structure |
| CN112726957A (en) * | 2020-12-22 | 2021-04-30 | 魏如雪 | Exempt from reinforcing components of square steel column of formula of punching |
| CN113944335A (en) * | 2021-11-04 | 2022-01-18 | 广东蕉岭建筑工程集团有限公司 | Climbing type material distribution device convenient to operate for hoistway |
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