CN117071740A - An easy-to-install steel structure connection mechanism and its use method - Google Patents
An easy-to-install steel structure connection mechanism and its use method Download PDFInfo
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- CN117071740A CN117071740A CN202311285149.4A CN202311285149A CN117071740A CN 117071740 A CN117071740 A CN 117071740A CN 202311285149 A CN202311285149 A CN 202311285149A CN 117071740 A CN117071740 A CN 117071740A
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- block
- fixedly connected
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- groove
- fixing
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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
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- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building 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
- E04B2001/2406—Connection nodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a steel structure connecting mechanism convenient to install and a use method thereof. Through inserting the connecting block in the spread groove at first, push up by the connecting block and move the top clamp plate, top clamp plate extrusion spring lever cooperation lifter rises and closes two clamping jaws through the bull stick to this is connected connecting block and spread groove, avoids consuming time manual work when assembling a plurality of coupling mechanism through bolt or welding.
Description
Technical Field
The invention relates to the technical field of steel structure connecting mechanisms, in particular to a steel structure connecting mechanism convenient to install.
Background
Steel structures are structures composed of steel materials, and are one of the main types of building structures. The structure mainly comprises steel beams, steel columns, steel trusses and other components made of section steel, steel plates and the like, and rust removal and prevention processes such as silanization, pure manganese phosphating, washing, drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because the self weight is lighter, and the construction is simple, the method is widely applied to the fields of large-scale factory buildings, venues, super high-rise buildings, bridges and the like. Steel structures are prone to rust, and generally steel structures are subject to rust removal, galvanization or paint and periodic maintenance.
When the steel structure is used, the steel structure is usually connected and fixed by utilizing the connecting mechanism, the connecting mechanism of the existing steel structure is usually assembled by bolts or welding, so that the connecting mechanism of the plurality of steel structures is assembled into a whole, a large amount of time and labor are consumed in the connecting and disassembling processes, the whole cost is increased, meanwhile, when I-steel is fixed, the connecting mechanism of one type can only connect and fix the steel structure of one specification, and when the steel structure of a plurality of different specifications is used, the connecting mechanism of a plurality of different types is needed, thus being easy to cause confusion because of a plurality of connecting mechanisms, and greatly reducing the use convenience of the connecting mechanism.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the steel structure connecting mechanism convenient to install, and solves the problems that the prior steel structure connecting mechanism consumes time and labor when a plurality of connecting mechanisms are assembled through bolts or welding and the use convenience is reduced because the connecting structure can only adapt to a steel structure with one specification.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a steel construction coupling mechanism convenient to installation, includes the spandrel post, spandrel post inside is provided with assembles the mechanism, both sides all are provided with adjustment mechanism around the spandrel post, spandrel post left and right sides all is provided with fixed establishment, it includes the fixed block to assemble the mechanism, fixed block fixedly connected with is at spandrel post inboard middle part, fixed block middle part sliding connection has the lifter, lifter top fixedly connected with stopper, lifter bottom fixedly connected with spring rod, spring rod bottom fixedly connected with top board, the fixed block left and right sides all rotates to be connected with the clamping jaw, the clamping jaw lower part rotates to be connected with the bull stick of two left and right sides distributions, the bull stick bottom rotates to be connected at the clamping jaw middle part, clamping jaw lower part fixedly connected with pull rod, the spread groove has been seted up to spanned groove in spanned groove inboard lower part, connecting block sliding connection is inside the spread groove, near one side lower part sliding connection is in the draw-in groove, sliding connection has the inside chute.
Preferably, the adjusting mechanism comprises a limiting frame, adjusting grooves are formed in the middle of the left side and the right side of the bearing column, limiting grooves are formed in the upper portion and the lower portion of each adjusting groove, two fixing frames which are distributed front and back are connected inside each adjusting groove in a sliding mode, the limiting frame is fixedly connected to one side of each fixing frame in a similar mode, the limiting frame is connected inside each limiting groove in a sliding mode, and a plurality of tension springs which are evenly distributed are fixedly connected to one side of each fixing frame in a similar mode.
Preferably, the fixing mechanism comprises a connecting rod, the connecting rod is fixedly connected to the left side and the right side of the bearing column, one ends of two springs distributed up and down are fixedly connected to the middle of the connecting rod, and clamping blocks are fixedly connected to the other ends of the springs.
Preferably, the periphery of the connecting rod is connected with a round steel pipe in a sliding manner, and the clamping blocks penetrate through the upper side and the lower side of the round steel pipe.
Preferably, the fixing frame is connected with the I-steel through a plurality of bolts I, the upper side and the lower side of the I-steel are fixedly connected with triangular irons, and the triangular irons are connected with the bearing columns through bolts II.
Preferably, the lower parts of the left side and the right side of the bearing column are provided with long grooves, and the clamping jaw is connected in the long grooves in a sliding manner.
Preferably, the top pressing plate is slidably connected between the two clamping jaws, and the top pressing plate is not contacted with the clamping jaws.
Preferably, the length and width of the limiting block are larger than those of the lifting rod, and the length and width of the limiting block are smaller than those of the fixing block.
Preferably, the size of the connecting block is matched with the size of the connecting groove, and the size of the limiting block is matched with the size of the sliding groove.
The application method of the steel structure connecting mechanism convenient to install comprises the following steps of:
firstly, inserting a connecting block into a connecting groove, pushing a movable spring rod by the pressing plate to shrink when the connecting block pushes the pressing plate upwards, and then lifting the connecting block by matching with a lifting rod to enable the two clamping jaws to be gathered together by the rotating rod, and fixing the connecting block by tightening the clamping jaws;
step two, firstly pulling the fixing frame, inserting the I-steel into the fixing frame after the fixing frame is proper in size, drawing the two fixing frames together through the tension spring, fixing the I-steel and the bearing column through the triangular iron in combination with the bolt II, and finally fixing the I-steel in the fixing frame through the bolt I;
step three, firstly pushing the round steel pipe, retracting the clamping block into the connecting rod when the round steel pipe passes through the clamping block, and popping up the clamping block through the elasticity of the spring when the hole of the connecting rod moves to the position of the clamping block, so that the round steel pipe is fixed.
The invention provides a steel structure connecting mechanism convenient to install. The beneficial effects are as follows:
1. according to the invention, the connecting block is inserted into the connecting groove, the top pressing plate is pushed upwards by the connecting block, the spring rod is pressed by the top pressing plate to be matched with the lifting rod to ascend, and the two clamping jaws are gathered together through the rotating rod, so that the connecting block is connected with the connecting groove, and the time and labor consumption during assembling a plurality of connecting mechanisms through bolts or welding are avoided.
2. According to the invention, the fixing frame is pulled, the I-steel is inserted into the fixing frame after the fixing frame is proper in size, and the two fixing frames are combined together through the tension spring, so that the I-steel with different sizes is adapted, and the reduction of the use convenience caused by the fact that the connecting structure can only adapt to I-steel structures with one specification is avoided.
3. According to the invention, the round steel pipe is sleeved by the connecting rods with different thicknesses, and the springs on the connecting rods push the clamping blocks to be clamped into the holes on the round steel pipe, so that the round steel pipe is fixed, the function of the steel structure connecting mechanism is avoided to connect I-steel or one of the round steel pipes, and the application of the connecting mechanism is limited.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of a bearing column according to the present invention;
FIG. 3 is a schematic view of a lifter structure according to the present invention;
fig. 4 is an enlarged view at a in fig. 1;
FIG. 5 is an enlarged view at B in FIG. 2;
FIG. 6 is a schematic view of a connection block structure according to the present invention;
FIG. 7 is a schematic view of a connecting slot structure according to the present invention;
fig. 8 is a schematic view of a fixing frame structure of the present invention.
Wherein, 1, a bearing column; 2. an assembling mechanism; 201. a fixed block; 202. a limiting block; 203. a lifting rod; 204. a spring rod; 205. a top pressing plate; 206. a clamping jaw; 207. a rotating rod; 208. a pull rod; 209. a chute; 210. a connecting groove; 211. a connecting block; 212. a clamping groove; 3. an adjusting mechanism; 301. a limit groove; 302. an adjustment tank; 303. a limiting frame; 304. a fixed frame; 305. a first bolt; 306. a tension spring; 307. a triangle iron; 308. a second bolt; 4. a fixing mechanism; 401. a connecting rod; 402. a spring; 403. a clamping block; 5. round steel pipes; 6. i-steel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1-8, an embodiment of the invention provides a steel structure connection mechanism convenient to install, including a bearing column 1, an assembling mechanism 2 is disposed inside the bearing column 1, adjusting mechanisms 3 are disposed on front and rear sides of the bearing column 1, a fixing mechanism 4 is disposed on left and right sides of the bearing column 1, the assembling mechanism 2 includes a fixing block 201, the fixing block 201 is fixedly connected to an inner middle portion of the bearing column 1, a lifting rod 203 is slidably connected to the middle portion of the fixing block 201, a limiting block 202 is fixedly connected to a top end of the lifting rod 203, a spring rod 204 is fixedly connected to a bottom end of the spring rod 204, a top pressing plate 205 is fixedly connected to a bottom end of the fixing block 201, clamping jaws 206 are rotatably connected to left and right sides of the fixing block 201, two rotating rods 207 are rotatably connected to two left and right sides of the lower portions of the lifting rod 203, a middle portion of the clamping jaws 206 is fixedly connected to a pull rod 208, a connecting groove 210 is formed in an inner lower portion of the bearing column 1, a top portion of the bearing column 1 is fixedly connected to a connecting block 211, the connecting block 211 is slidably connected to an inner portion of the connecting groove 210, clamping grooves 212 are formed in the left and right sides of the connecting block 211 are formed in the lower portion of the connecting block 206, and the lower portion of the connecting block is connected to the inner portion of the connecting groove 209.
Specifically, the bearing columns 1 are made of galvanized steel, so that corrosion resistance of the bearing columns 1 is improved, meanwhile, enough strength and hardness are guaranteed, a connecting block 211 of one bearing column 1 is inserted into a connecting groove 210 of the other bearing column 1, when the connecting block 211 pushes up a top pressing plate 205, the top pressing plate 205 pushes up a spring rod 204 to shrink, when the spring rod 204 shrinks, after the lower protruding part of the clamping jaw 206 is clamped with a clamping groove 212, the top pressing plate 205 pushes up a lifting rod 203, the lifting rod 203 lifts up to match with a rotating rod 207 to close two clamping jaws 206, the connecting block 211 is fixed by tightening the clamping jaw 206, and therefore a plurality of connecting mechanisms are assembled and spliced.
Referring to fig. 4 and 6, the adjusting mechanism 3 in this embodiment includes a limiting frame 303, the middle portions of the left and right sides of the spandrel post 1 are provided with adjusting grooves 302, the upper and lower portions of the adjusting grooves 302 are provided with limiting grooves 301, two fixing frames 304 distributed back and forth are slidably connected in the adjusting grooves 302, the limiting frame 303 is fixedly connected to a side of the fixing frames 304, the limiting frame 303 is slidably connected in the limiting grooves 301, and a plurality of tension springs 306 are uniformly distributed in the side of the fixing frames 304.
Specifically, the fixing frames 304 are made of galvanized steel plates with the thickness of 2cm, when I-steel 6 with different sizes are required to be connected, firstly, the distance between the fixing frames 304 is adjusted, the I-steel 6 is inserted into the fixing frames 304 after the I-steel is completely pulled open, the two fixing frames 304 are closed through the tension springs 306, and the I-steel 6 and the bearing column 1 are fixed through the triangular iron 307 and the bolt two 308.
Referring to fig. 5-7, the fixing mechanism 4 in this embodiment includes a connecting rod 401, the connecting rod 401 is fixedly connected to the left and right sides of the spandrel post 1, one end of two springs 402 distributed up and down is fixedly connected to the middle of the connecting rod 401, the other end of the springs 402 is fixedly connected to a clamping block 403, the periphery of the connecting rod 401 is slidably connected with a round steel tube 5, and the clamping block 403 penetrates through the upper and lower sides of the round steel tube 5.
Specifically, the connecting rod 401 is made of manganese steel, and when the steel structure to be connected is the round steel pipe 5, the round steel pipe 5 is fixed by clamping the clamping block 403 into the hole of the round steel pipe 5.
Referring to fig. 4, a fixing frame 304 in the embodiment is connected to a i-steel 6 by a plurality of bolts one 305, and triangular irons 307 are fixedly connected to the upper and lower sides of the i-steel 6, and the triangular irons 307 are connected to the bearing post 1 by bolts two 308.
Specifically, reinforcement is performed by the triangle 307 while avoiding displacement of the fixing frame 304.
Referring to fig. 6, the lower parts of the left and right sides of the bearing post 1 are provided with elongated slots, and the clamping jaw 206 is slidably connected inside the elongated slots.
In particular, it is ensured that the clamping jaw 206 can function properly.
Referring to fig. 2-3, in the present embodiment, a top pressing plate 205 is slidably connected between two clamping jaws 206, and the top pressing plate 205 is not in contact with the clamping jaws 206, in the present embodiment, the length and width of a limiting block 202 is greater than the length and width of a lifting rod 203, and the length and width of the limiting block 202 are less than the length and width of a fixed block 201.
Specifically, the pressing plate 205 is prevented from being squeezed and unable to move, so that the limiting block 202 is ensured to have enough limiting function and not to fall off.
Referring to fig. 2, in the present embodiment, the size of the connecting block 211 is matched with the size of the connecting slot 210, and the size of the limiting block 202 is matched with the size of the sliding slot 209.
Specifically, it is ensured that the connection block 211 can be inserted into the connection groove 210 without generating a large shake space, and the stopper 202 can be effectively moved.
Referring to fig. 1-8, a method for using a steel structure connection mechanism with easy installation in this embodiment includes the following steps:
firstly, a connecting block 211 is inserted into a connecting groove 210, when the connecting block 211 upwards pushes a pushing plate 205, the pushing plate 205 pushes a moving spring rod 204 to shrink, and then the lifting rod 203 is matched to lift up so that a rotating rod 207 closes two clamping jaws 206, and the connecting block 211 is fixed by tightening the clamping jaws 206;
step two, firstly, pulling a fixing frame 304, inserting the I-steel 6 into the fixing frame 304 after the fixing frame 304 is proper in size, gathering the two fixing frames 304 through a tension spring 306, fixing the I-steel 6 and the bearing column 1 through a triangular iron 307 and a bolt II 308, and finally fixing the I-steel 6 inside the fixing frame 304 through a bolt I305;
step three, firstly pushing the round steel pipe 5, retracting the clamping block 403 into the connecting rod 401 when the round steel pipe 5 passes through the clamping block 403, and when the hole of the connecting rod 401 moves to the position of the clamping block 403, the clamping block 403 pops out through the elasticity of the spring 402, so as to fix the round steel pipe 5.
Specifically, first, the connecting block 211 of one of the bearing columns 1 is inserted into the connecting groove 210 of the other bearing column 1, when the connecting block 211 pushes the pushing plate 205 upwards, the pushing plate 205 pushes the pushing spring rod 204 to shrink, when the spring rod 204 is contracted, the protruding part at the lower side of the clamping jaw 206 is clamped with the clamping groove 212 and then continues to push the pushing plate 205, the pushing plate 205 pushes the lifting rod 203, the lifting rod 203 lifts to cooperate with the rotating rod 207 to close the two clamping jaws 206, the connecting block 211 is fixed by the clamping jaw 206, first, the fixing frame 304 is pulled according to the size of the I-steel 6, after the fixing frame 304 is proper, the I-steel 6 is inserted into the fixing frame 304, the two fixing frames 304 are closed by the tension spring 306, after the I-steel 6 is fixed with the bearing column 1 by the triangular iron 307 and the bolt two 308, the I-steel 6 is fixed inside the fixing frame 304 by the bolt one 305, the round steel pipe 5 is sleeved on the periphery of the connecting rod 401, the round steel pipe 403 is retracted into the connecting rod 401 when the round steel pipe 5 passes through the clamping block 403, the hole 403 moves to the position of the clamping block 403, and the round steel pipe 403 is ejected by the spring force of the clamping block 403, and the round steel pipe 5 is fixed by the spring.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Steel construction coupling mechanism convenient to installation, its characterized in that:
including the spandrel post, the spandrel post is inside to be provided with and to assemble the mechanism, both sides all are provided with adjustment mechanism around the spandrel post, spandrel post left and right sides all is provided with fixed establishment, it includes the fixed block to assemble the mechanism, fixed block fixedly connected with is at spandrel post inboard middle part, fixed block middle part sliding connection has the lifter, lifter top fixedly connected with stopper, lifter bottom fixedly connected with spring rod, spring rod bottom fixedly connected with top pressure board, the equal rotation of fixed block left and right sides is connected with the clamping jaw, the lifter lower part rotates the bull stick that is connected with two left and right sides distribution, the bull stick bottom rotates to be connected at the clamping jaw middle part, clamping jaw lower part fixedly connected with pull rod, the spread groove has been seted up to spandrel post top fixedly connected with connecting block, connecting block sliding connection is inside the spread groove, the draw-in groove is all seted up to connecting block left and right sides, clamping jaw near one side lower part sliding connection is inside the draw-in groove, connecting groove upper portion intercommunication has the spout, sliding connection is inside the spout.
2. A steel structure connection mechanism for facilitating installation as claimed in claim 1, wherein: the adjusting mechanism comprises a limiting frame, adjusting grooves are formed in the middle of the left side and the right side of the bearing column, limiting grooves are formed in the upper portion and the lower portion of each adjusting groove, two fixing frames which are distributed front and back are connected inside each adjusting groove in a sliding mode, the limiting frame is fixedly connected to one side of each fixing frame in a similar mode, the limiting frame is connected inside each limiting groove in a sliding mode, and a plurality of tension springs which are distributed evenly are fixedly connected to one side of each fixing frame in a similar mode.
3. A steel structure connection mechanism for facilitating installation as claimed in claim 1, wherein: the fixing mechanism comprises a connecting rod, the connecting rod is fixedly connected to the left side and the right side of the bearing column, one ends of two springs which are distributed up and down are fixedly connected to the middle of the connecting rod, and clamping blocks are fixedly connected to the other ends of the springs.
4. A steel structure connection mechanism for facilitating installation as claimed in claim 3, wherein: the periphery sliding connection of connecting rod has round steel pipe, the fixture block runs through round steel pipe upper and lower both sides.
5. A steel structure connection mechanism for facilitating installation according to claim 2, wherein: the fixed frame is connected with the I-steel through a plurality of bolts I, the upper side and the lower side of the I-steel are fixedly connected with triangular irons, and the triangular irons are connected with the bearing columns through bolts II.
6. A steel structure connection mechanism for facilitating installation as claimed in claim 1, wherein: the lower parts of the left side and the right side of the bearing column are respectively provided with a long groove, and the clamping jaws are connected in the long grooves in a sliding manner.
7. A steel structure connection mechanism for facilitating installation as claimed in claim 1, wherein: the top pressing plate is connected between the two clamping jaws in a sliding mode, and the top pressing plate is not contacted with the clamping jaws.
8. A steel structure connection mechanism for facilitating installation as claimed in claim 1, wherein: the length and width of the limiting block are larger than those of the lifting rod, and the length and width of the limiting block are smaller than those of the fixing block.
9. A steel structure connection mechanism for facilitating installation as claimed in claim 1, wherein: the size of the connecting block is matched with the size of the connecting groove, and the size of the limiting block is matched with the size of the sliding groove.
10. The utility model provides a steel construction coupling mechanism's application method convenient to installation which characterized in that: the method comprises the following steps:
firstly, inserting a connecting block into a connecting groove, pushing a movable spring rod by the pressing plate to shrink when the connecting block pushes the pressing plate upwards, and then lifting the connecting block by matching with a lifting rod to enable the two clamping jaws to be gathered together by the rotating rod, and fixing the connecting block by tightening the clamping jaws;
step two, firstly pulling the fixing frame, inserting the I-steel into the fixing frame after the fixing frame is proper in size, drawing the two fixing frames together through the tension spring, fixing the I-steel and the bearing column through the triangular iron in combination with the bolt II, and finally fixing the I-steel in the fixing frame through the bolt I;
step three, firstly pushing the round steel pipe, retracting the clamping block into the connecting rod when the round steel pipe passes through the clamping block, and popping up the clamping block through the elasticity of the spring when the hole of the connecting rod moves to the position of the clamping block, so that the round steel pipe is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311285149.4A CN117071740A (en) | 2023-10-07 | 2023-10-07 | An easy-to-install steel structure connection mechanism and its use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311285149.4A CN117071740A (en) | 2023-10-07 | 2023-10-07 | An easy-to-install steel structure connection mechanism and its use method |
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| CN117071740A true CN117071740A (en) | 2023-11-17 |
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| CN202311285149.4A Pending CN117071740A (en) | 2023-10-07 | 2023-10-07 | An easy-to-install steel structure connection mechanism and its use method |
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| CN219386675U (en) * | 2022-12-07 | 2023-07-21 | 辽宁睿建建设工程有限公司 | Multi-head steel structure connecting piece |
| CN219280932U (en) * | 2023-02-14 | 2023-06-30 | 中亿装配式钢结构(海南)有限公司 | Novel connection of improvement steel construction node device |
| CN219710752U (en) * | 2023-08-16 | 2023-09-19 | 甘肃建投河西建设管理有限公司 | Prefabricated roof beam of assembled building |
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