CN115095019B - Impact-resistant portal steel frame structure - Google Patents
Impact-resistant portal steel frame structure Download PDFInfo
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- CN115095019B CN115095019B CN202210869845.9A CN202210869845A CN115095019B CN 115095019 B CN115095019 B CN 115095019B CN 202210869845 A CN202210869845 A CN 202210869845A CN 115095019 B CN115095019 B CN 115095019B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 206
- 239000010959 steel Substances 0.000 title claims abstract description 206
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 238000000034 method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 238000003860 storage Methods 0.000 description 15
- 238000010276 construction Methods 0.000 description 10
- 238000003466 welding Methods 0.000 description 10
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 8
- 239000002002 slurry Substances 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped 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
-
- 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
- E04B2001/2421—Socket type connectors
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to the technical field of steel frame structures, in particular to an impact-resistant portal steel frame structure which comprises steel upright posts, crane guide rail beams and bracket beams; a reinforcing plate is arranged between the adjacent steel upright posts; the inner side surfaces of the steel upright posts are provided with notches, reinforcing plates are arranged in the two notches which are adjacent to each other between the two adjacent steel upright posts, the cross sections of the reinforcing plates are in a T shape, and two ends of each reinforcing plate are embedded in the notches and fastened on the steel upright posts through bolts; according to the invention, the steel upright posts, the crane guide rail beams and the bracket beams are all H-shaped steel, and the reinforcing plates are fixedly connected between the two adjacent steel upright posts, so that the impact resistance of the steel upright posts is improved, and meanwhile, the reinforcing plates on the steel upright posts are arranged up and down, so that when materials are lifted, the steel upright posts can effectively resist the impact of the materials when touching the upper ends of the steel upright posts, and the stability of a steel frame structure is ensured.
Description
Technical Field
The invention belongs to the technical field of steel frame structures, and particularly relates to an impact-resistant portal steel frame structure.
Background
The portal steel frame light house steel structure has the characteristics of simple stress, clear force transmission path, rapid component manufacture, convenient industrial processing, short construction period and the like, thereby being widely applied to industrial and civil buildings such as industrial, commercial and cultural entertainment public facilities and the like; the light house steel structure of the portal steel frame originates from the United states, gradually develops in the whole time in the later period, has undergone the development for nearly one hundred years, and has become a structural system with relatively perfect design, manufacture and construction standards.
The frame-mounted portal steel frame factory building capable of resisting earthquake wave impact is provided by the publication number CN 113685068A. The energy dissipation device comprises bottom reinforcement stringers with bottom sliding grooves, which are respectively arranged at the bottoms of the left side wall structure and the right side wall structure, a left energy dissipation support base for supporting the left side wall structure, and a right energy dissipation support base for supporting the right side wall structure; the left energy dissipation support base and the right energy dissipation support base comprise a base box body with a large opening at the top, a support unit arranged in the base box body, a plurality of torsion bar energy dissipation units, a plurality of left hydraulic energy dissipation units, a plurality of right hydraulic energy dissipation units, a plurality of front hydraulic buffer units and a plurality of rear hydraulic buffer units which are arranged around the support unit.
Above-mentioned portal steelframe factory building can shuttle vehicles such as fork truck and operation freight train in the factory building when actually putting into use, and the vehicle is transporting, loading or unloading the time, and material or vehicle probably collide on the steel stand of factory building, and relatively opposite is fixed subaerial between this factory building steel stand, and its fastness is lower, can be strikeed askedly, appears the factory building accident of collapsing when serious.
Therefore, the invention provides an impact-resistant portal steel frame structure.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an impact-resistant portal steel frame structure, which comprises steel upright posts, crane guide rail beams and bracket beams; the steel upright posts are arranged in two rows, the steel upright posts are fixedly connected with bracket beams through fastening bolts, and the bracket beams of the same row are used for erecting crane guide rail beams; a reinforcing plate is arranged between the adjacent steel upright posts; the inner side surfaces of the steel upright posts are provided with notches, reinforcing plates are arranged in the two notches which are adjacent to each other between the two adjacent steel upright posts, the cross sections of the reinforcing plates are in a T shape, and two ends of each reinforcing plate are embedded in the notches and fastened on the steel upright posts through bolts; when the portal steel frame factory building is put into practical use, vehicles such as a forklift and a running truck can be shuttled in the factory building, and when the vehicles are transported, loaded or unloaded, materials or vehicles can collide with steel columns of the factory building, the steel columns of the factory building are relatively fixed on the ground in opposite directions, the firmness is lower, the factory building can be impacted and askew, and serious factory building collapse accidents occur. In order to improve stability, some steel frame mechanisms at present are provided with X-shaped supporting rods between two adjacent steel upright posts, the supporting rods can also play a role in improving stability, but due to the limitation of the shapes of the supporting rods, the supporting rods are more complicated to install, four fixing points are needed to be considered, two fixing points are needed to be considered at the middle side of the supporting rods, the steel frame mechanism is more suitable for the condition with low requirements on factory building strength, such as a cold storage, various activities in the cold storage are in the cold storage, the steel structure is arranged at the periphery of the cold storage, and color steel plates are paved outside the steel structure to play roles in avoiding light and reducing damage to the external severe environment, so that the cold storage body is prevented from being directly exposed to the environment, and the damage is accelerated.
Preferably, the middle of each reinforcing plate is disconnected, the disconnected surface is provided with a sliding hole, an extension rod is arranged in the sliding hole and is connected in the sliding hole in a sliding way, and the end parts of the extension rods are fixedly connected with anti-falling blocks; the extension rod is arranged on the reinforcing plate, so that when the steel structure factory building is expanded and reformed in the later period or when the construction plan and the actual demand are changed, the distance between two adjacent steel upright posts is changed by extending the extension rod to extend out of the sliding hole, a new reinforcing plate is not required to be produced, and the reinforcing plate and the extension rod are matched, so that the steel structure is flexibly constructed, and the requirements of factories are met; after the steel upright post is built, the extension rod can be welded at the outer edge of the hole of the sliding hole, so that the stability between two adjacent steel upright posts is ensured, meanwhile, the reinforcing rod mainly bears the collision force perpendicular to the axial direction, whether the extension rod slides in the sliding hole or not can be ignored for bearing the collision force perpendicular to the axial direction; in the later stage, when adjusting reinforcing plate effective length, only need with the polisher with the welding point cutting get rid of, the extension rod can slide in the sliding hole again.
Preferably, the reinforcing plate is provided with a buffer mechanism; the buffer mechanism comprises a vertical plate and a right-angle block; the back of the vertical plate is connected with one end face of a right-angle block, the other end face of the right-angle block is buckled at the corner position of the reinforcing plate, the other end face of the right-angle block is fixedly connected with a bolt, and the bolt penetrates through a through hole formed in the corner position of the reinforcing plate; the buffer mechanism is arranged and used for buffering the collision destructive power of the external part, so that the damage to the steel structure is reduced; the reinforcing plate is internally provided with a plurality of through holes, the right-angle blocks can be directly inserted on the reinforcing plate, then the steel structure is protected through the vertical plates, the vertical plates are PVC plates, the PVC plates have elasticity, and the buffer protection steel structure can be protected under the condition of protecting the vertical plates, so that even if the vertical plates are damaged by impact, the right-angle blocks can be directly taken down, and the new vertical plates can be replaced, so that the steel structure is convenient to replace; and the vertical plate can be used as a fixed point, the color steel plate is fixed on the vertical plate, and the color steel plate is not fixed on the steel upright post in a welding mode, so that the color steel plate is convenient to install and fix.
Preferably, a spring groove is formed in one end face of the right-angle block; spring grooves are also formed in the positions, opposite to one end face of the right-angle block, of the vertical plate, buffer springs are arranged in the two opposite spring grooves, and two ends of each buffer spring are fixedly connected in the spring grooves; the riser passes through buffer spring to be connected on the right-angle block, and the riser can swing deflection from top to bottom, increases riser swing range from top to bottom for when the riser receives external extrusion force, can prolong the buffering route, better protection self.
Preferably, the upper ends of the steel upright posts are provided with top beams side by side, two ends of the top beams are respectively divided into two plugboards, the head end of each plugboard is fixedly connected with a limiting plate, the tail end of each plugboard is provided with a fork opening, the plugboards are symmetrically embedded in grooves at the upper ends of the steel upright posts, the limiting plates are propped against the upper end surfaces of the steel upright posts, and the fork openings are embedded in fastening bolts above between the steel upright posts and the bracket beams; the both ends of back timber set up the picture peg, are adapted to the steel stand of "H" shape, and the stability between back timber and the steel stand can be guaranteed to unsmooth form's cooperation, picture peg depth of insertion, and the picture peg inserts in the inslot of steel stand upper end, and is spacing fixed through the limiting plate simultaneously, and this mode does not need a plurality of bolts to cooperate fixedly, easy to assemble and dismantlement.
Preferably, extruding plates are symmetrically arranged on the fastening bolts above, the fastening bolts penetrate through the lower ends of the two extruding plates in a threaded mode, the thread directions of the adjacent two extruding plates are opposite, and protruding portions are arranged in the extruding plates; grooves are symmetrically formed in two sides of the plugboard, the grooves are matched with the extrusion plate, concave parts are formed in the inner surfaces of the grooves, and the concave parts are matched with the convex parts; and fork openings on the inserting plates are inserted into the fastening bolts above, when the bracket beams are not fixed on the steel upright posts, the fastening bolts are rotated, then the two extruding plates move towards the directions of the grooves and are extruded in the grooves, meanwhile, the convex parts are embedded into the concave parts, the two ends of the top beam are further fastened in the grooves of the steel upright posts, and the connection stability between the steel upright posts and the top beam is improved.
Preferably, one side of the crane guide rail beam in the length direction is fixedly connected with the horizontal plane of the front end of the bracket beam through bolts, and the other side of the crane guide rail beam in the length direction is provided with a positioning pin which penetrates through the horizontal plane of the rear end of the bracket beam; after the bracket beam is tightly fastened on the steel upright post through the fastening bolts, the crane guide rail Liang Hengjia is arranged on a plurality of bracket beams in the same row, and meanwhile, the positioning pins are embedded into the horizontal plane at the rear end penetrating through the bracket beam, so that the crane guide rail beam is fixed in advance, the bolt holes on the bracket beam and the bolt holes on the crane guide rail beam are convenient to align, and the bolts are convenient to insert, fasten and fix.
Preferably, the lower ends of the steel upright columns which are arranged side by side are fixedly connected with a transverse plate, a plurality of fixing holes are formed in the transverse plate, the fixing holes penetrate through steel pipes, one end of each steel pipe is fixedly connected to the upper surface of the transverse plate, the other end of each steel pipe extends downwards and is fixedly connected with a sphere, the sphere is hollow, and the sphere is buried underground; the diaphragm is fixedly connected to the lower ends of the side-by-side steel upright posts, the stability of the steel structure is further improved, the later construction is completed, concrete slurry is injected into the steel pipe, the slurry is dispersed in the ball body, pits of the underground embedded ball body are filled, the diaphragm is fixed on the ground, and the stability of the steel structure on the ground is improved again.
Preferably, the outer ring at the upper end of the steel pipe is limited on the upper surface of the transverse plate through a nut; the surface of the ball body is provided with a limiting rod which is inclined upwards; after the concrete is solidified, the nut is rotated, so that the steel pipe moves upwards along the fixed hole, and meanwhile, the transverse plate is pressed down, so that the transverse plate is further fastened on the ground, and the stability between the steel structure and the ground is improved; and the limiting rod is arranged on the surface of the sphere to restrain the sphere in the pit, so that the separation force of the sphere and soil is increased, and the stability between the transverse plate and the ground is also improved.
Preferably, the top beams are provided with a plurality of jacks, inserted bars are arranged in the jacks, the inserted bars penetrate through the jacks between two adjacent top beams, and the inserted bars are welded on the top beams; the top beams are provided with a plurality of jacks, inserting rods are arranged in the jacks, the top beams are connected together and welded together, the welding adopts a spot welding mode, namely, a plurality of points are welded between the inserting rods and the jacks, the top beams are connected together, and the stability of the top beams is improved.
The beneficial effects of the invention are as follows:
1. According to the impact-resistant portal steel frame structure, the steel upright posts, the crane guide rail beams and the bracket beams all use the H-shaped steel, the reinforcing plates are arranged between the two adjacent steel upright posts and fixedly connected with the steel upright posts, so that the impact resistance of the steel upright posts is improved, meanwhile, the reinforcing plates on the steel upright posts are arranged up and down, when the materials are lifted, the impact of the materials can be effectively resisted when the materials are contacted with the upper ends of the steel upright posts, and the stability of the steel frame structure is ensured.
2. According to the impact-resistant portal steel frame structure, the inserting plates are arranged at the two ends of the top beam and are suitable for the H-shaped steel upright columns, namely, the concave-convex type steel upright columns are matched, the inserting depth of the inserting plates can ensure the stability between the top beam and the steel upright columns, the inserting plates are inserted into the grooves at the upper ends of the steel upright columns and are limited and fixed through the limiting plates, and the mode does not need a plurality of bolts to be matched and fixed, so that the impact-resistant portal steel frame structure is convenient to install and detach.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a first perspective view of a portal frame structure in accordance with the present invention;
FIG. 2 is a second perspective view of the portal frame structure of the present invention;
FIG. 3 is a cross-sectional view of a reinforcement panel in the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a side view of a portal frame structure in accordance with the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at B;
FIG. 7 is a view of the riser mated with the right angle block of the present invention;
FIG. 8 is a diagram showing the cooperation of the stripper plate and the insert plate in the present invention;
FIG. 9 is a diagram of the ball and cross plate combination of the present invention;
FIG. 10 is a mating view of a receptacle and a plunger according to the present invention;
In the figure: the steel upright post 1, the crane guide rail beam 2, the bracket beam 3, the reinforcing plate 4, the notch 5, the extension rod 6, the anti-falling block 7, the vertical plate 8, the right angle block 9, the through hole 10, the spring groove 11, the buffer spring 12, the top beam 13, the inserting plate 14, the limiting plate 15, the fork opening 16, the fastening bolt 17, the extruding plate 18, the convex part 19, the groove 20, the concave part 21, the positioning pin 22, the transverse plate 23, the fixing hole 24, the steel pipe 25, the sphere 26, the limiting rod 27, the inserting hole 28 and the inserting rod 29.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1, an impact-resistant portal frame structure includes a steel column 1, a crane rail beam 2 and a bracket beam 3; the steel upright posts 1 are arranged in two rows, the steel upright posts 1 are fixedly connected with bracket beams 3 through fastening bolts 17, and the bracket beams 3 in the same row are used for erecting crane guide rail beams 2; a reinforcing plate 4 is arranged between the adjacent steel upright posts 1; the inner side surfaces of the steel upright posts 1 are provided with notches 5, reinforcing plates 4 are installed in the two notches 5 which are adjacent to each other between the two adjacent steel upright posts 1, the cross sections of the reinforcing plates 4 are in a T shape, and two ends of each reinforcing plate 4 are embedded in the notches 5 and fastened on the steel upright posts 1 through bolts; according to the invention, the steel upright posts 1, the crane guide rail beams 2 and the bracket beams 3 all use H-shaped steel, and the reinforcing plates 4 are fixedly connected between two adjacent steel upright posts 1 by arranging the reinforcing plates 4, so that the impact resistance of the steel upright posts 1 is improved, meanwhile, the reinforcing plates 4 on the steel upright posts 1 are arranged up and down, when the materials are lifted, the steel upright posts are contacted with the upper ends of the steel upright posts 1, the impact of the materials can be effectively resisted, and the stability of a steel frame structure is ensured; in order to improve stability, some steel frame mechanisms at present are provided with X-shaped supporting rods between two adjacent steel upright posts 1, the supporting rods can also play a role in improving stability, but due to the limitation of the shapes of the supporting rods, the supporting rods are more complicated to install, four fixing points need to be considered, two fixing points need to be considered at the middle side of the steel frame mechanism, the steel frame mechanism is more suitable for the condition with low requirements on factory building strength, such as a cold storage, various activities in the cold storage are in the cold storage, the steel structure is arranged at the periphery of the cold storage, and color steel plates are paved outside the steel structure to play roles in avoiding light and reducing damage of external severe environments, so that the cold storage body is prevented from being directly exposed to the environment, and the damage is accelerated.
Referring to fig. 3, the middle of each reinforcing plate 4 is disconnected, the disconnected surface is provided with a sliding hole, an extension rod 6 is arranged in the sliding hole, the extension rod 6 is slidably connected in the sliding hole, and the end parts of the extension rods 6 are fixedly connected with anti-falling blocks 7; the extension rod 6 is arranged on the reinforcing plate 4, so that when a steel structure factory building is extended and reformed in the later period or when a construction plan and actual requirements are changed, the distance between two adjacent steel upright posts 1 is changed by extending the extension rod 6 to extend out of the sliding hole, a new reinforcing plate 4 is not required to be produced, and the reinforcing plate 4 and the extension rod 6 are matched, so that the steel structure is flexibly constructed, and the requirements of factories are met; after the construction, the extension rod 6 can be welded at the outer edge of the sliding hole, so that the stability between two adjacent steel upright posts 1 is ensured, meanwhile, the reinforcement rod mainly bears the collision force perpendicular to the axial direction, whether the extension rod 6 slides in the sliding hole or not can be ignored for bearing the collision force perpendicular to the axial direction; in the later stage, when the effective length of the reinforcing plate 4 is adjusted, only the welding point is needed to be cut and removed by a grinding machine, and the extension rod 6 can slide in the sliding hole.
Referring to fig. 7, the reinforcing plate 4 is provided with a buffer mechanism; the buffer mechanism comprises a vertical plate 8 and a right-angle block 9; the back of the vertical plate 8 is connected with one end face of a right-angle block 9, the other end face of the right-angle block 9 is buckled at the corner position of the reinforcing plate 4, the other end face of the right-angle block 9 is fixedly connected with a bolt, and the bolt penetrates through a through hole 10 formed at the corner position of the reinforcing plate 4; the buffer mechanism is arranged and used for buffering the collision destructive power of the external part, so that the damage to the steel structure is reduced; the reinforcing plate 4 is internally provided with a plurality of through holes 10, the right angle blocks 9 can be directly inserted on the reinforcing plate 4, then the steel structure is protected through the vertical plates 8, the vertical plates 8 are PVC plates, the PVC plates have elasticity, and under the condition of protecting the PVC plates, the buffer protection steel structure can be protected, even if the vertical plates 8 are damaged by impact, the right angle blocks 9 can be directly taken down, and the new vertical plates 8 can be replaced, so that the replacement is convenient; and the vertical plate 8 can be used as a fixed point, the color steel plate is fixed on the vertical plate 8, and the color steel plate is not fixed on the steel upright post 1 in a welding mode, so that the color steel plate is convenient to install and fix.
Referring to fig. 7, a spring groove 11 is formed on one end surface of the right-angle block 9; spring grooves 11 are also formed in the positions, opposite to one end face of the right-angle block 9, of the vertical plate 8, buffer springs 12 are arranged in the two opposite spring grooves 11, and two ends of each buffer spring 12 are fixedly connected in the corresponding spring groove 11; the riser 8 is connected on the right angle piece 9 through buffer spring 12, and riser 8 can swing deflection from top to bottom, increases riser 8 swing range from top to bottom for when riser 8 receives external extrusion force, can prolong the buffering route, better protection self.
Referring to fig. 2, a top beam 13 is arranged at the upper end of the steel upright 1 side by side, two ends of the top beam 13 are respectively divided into two plugboards 14, a limiting plate 15 is fixedly connected at the head end of each plugboard 14, a fork opening 16 is formed at the tail end of each plugboard 14, the plugboards 14 are symmetrically embedded in a groove at the upper end of the steel upright 1, the limiting plate 15 is propped against the upper end surface of the steel upright 1, and the fork openings 16 are embedded in an upper fastening bolt 17 between the steel upright 1 and the bracket beam 3; the both ends of back timber 13 set up picture peg 14, are adapted to the steel stand 1 of "H" shape, i.e. the cooperation of unsmooth form, and picture peg 14 depth of insertion can guarantee the stability between back timber 13 and the steel stand 1, and picture peg 14 inserts in the inslot of steel stand 1 upper end, and is spacing fixed through limiting plate 15 simultaneously, and this mode does not need a plurality of bolts to cooperate fixedly, easy to assemble and dismantlement.
Referring to fig. 4, 6 and 8, the fastening bolts 17 are symmetrically provided with squeeze plates 18 above, the fastening bolts 17 penetrate through the lower ends of the two squeeze plates 18 in a threaded manner, the adjacent squeeze plates 18 are oppositely arranged in the threaded direction, and convex parts 19 are arranged in the squeeze plates 18; grooves 20 are symmetrically formed on two sides of the plugboard 14, the grooves 20 are matched with the extrusion plate 18, concave parts 21 are formed in the inner surfaces of the grooves 20, and the concave parts 21 are matched with the convex parts 19; the fork openings 16 on the inserting plate 14 are inserted into the fastening bolts 17 above, when the bracket beam 3 is not fixed on the steel upright 1, the fastening bolts 17 are rotated, then the two extrusion plates 18 move towards the direction of the groove 20 and are extruded in the groove 20, meanwhile, the convex parts 19 are embedded into the concave parts 21, the two ends of the top beam 13 are further fastened in the grooves of the steel upright 1, and the connection stability between the steel upright 1 and the top beam 13 is improved.
Referring to fig. 8, one side of the crane guide rail beam 2 in the length direction is fixedly connected with the front end horizontal plane of the bracket beam 3 by bolts, the other side of the crane guide rail beam 2 in the length direction is provided with a positioning pin 22, and the positioning pin 22 penetrates through the rear end horizontal plane of the bracket beam 3; after the bracket beams 3 are fastened on the steel upright posts 1 through the fastening bolts 17, the crane guide rail beams 2 are transversely erected on the bracket beams 3 in the same row, meanwhile, the positioning pins 22 are embedded into the horizontal plane penetrating through the rear ends of the bracket beams 3, at the moment, the crane guide rail beams 2 are fixed in advance, and meanwhile, bolt holes in the bracket beams 3 and bolt holes in the crane guide rail beams 2 are convenient to align with each other, so that the bolts can be conveniently inserted into the bracket beams to be fastened.
Referring to fig. 2 and 9, a transverse plate 23 is fixedly connected to the lower ends of the side-by-side steel upright posts 1, a plurality of fixing holes 24 are formed in the transverse plate 23, the fixing holes 24 penetrate through steel pipes 25, one ends of the steel pipes 25 are fixedly connected to the upper surface of the transverse plate 23, the other ends of the steel pipes 25 extend downwards and are fixedly connected with spheres 26, the spheres 26 are hollow, and the spheres 26 are buried underground; the transverse plate 23 is fixedly connected to the lower ends of the side-by-side steel columns 1, the stability of the steel structure is further improved, the later construction is completed, concrete slurry is injected into the steel pipes 25, the slurry is dispersed in the spheres 26, pits of the underground embedded spheres 26 are filled, the transverse plate 23 is fixed on the ground, and the stability of the steel structure on the ground is improved again.
Referring to fig. 9, the outer ring at the upper end of the steel pipe 25 is limited on the upper surface of the transverse plate 23 by a nut; the surface of the ball 26 is provided with a limiting rod 27 which is inclined upwards; after the concrete is solidified, the nut is rotated, so that the steel pipe 25 moves upwards along the fixing hole 24, and meanwhile, the transverse plate 23 is pressed down, so that the transverse plate 23 is further fastened on the ground, and the stability between the steel structure and the ground is improved; and a limiting rod 27 arranged on the surface of the sphere 26, so that the sphere 26 is restrained in the pit, and the separation force of the sphere 26 and soil is increased, so that the stability between the transverse plate 23 and the ground is also improved.
Embodiment two:
referring to fig. 10, in a first comparative example, as another embodiment of the present invention, a plurality of insertion holes 28 are formed in the top beams 13, insertion rods 29 are disposed in the insertion holes 28, the insertion rods 29 penetrate through the insertion holes 28 between two adjacent top beams 13, and the insertion rods 29 are welded on the top beams 13; the top beams 13 are provided with a plurality of jacks 28, inserting rods 29 are arranged in the jacks 28, the top beams 13 are connected together and welded together, the welding adopts a spot welding mode, namely, a plurality of points are welded between the inserting rods 29 and the jacks 28, the top beams 13 are connected with each other, and the stability of the top beams 13 is improved.
Working principle: according to the invention, the steel upright posts 1, the crane guide rail beams 2 and the bracket beams 3 all use H-shaped steel, and the reinforcing plates 4 are fixedly connected between two adjacent steel upright posts 1 by arranging the reinforcing plates 4, so that the impact resistance of the steel upright posts 1 is improved, meanwhile, the reinforcing plates 4 on the steel upright posts 1 are arranged up and down, when the materials are lifted, the steel upright posts are contacted with the upper ends of the steel upright posts 1, the impact of the materials can be effectively resisted, and the stability of a steel frame structure is ensured; in order to improve stability, some steel frame mechanisms at present are provided with X-shaped supporting rods between two adjacent steel upright posts 1, the supporting rods can also play a role in improving stability, but due to the limitation of the shapes of the supporting rods, the supporting rods are more complicated to install, four fixed points need to be considered, the middle side of the supporting rods needs to be considered, two fixed points need to be considered, the steel frame mechanism is more suitable for the condition with low requirements on factory building strength, such as a cold storage, various activities in the cold storage are in the cold storage, the steel structure is arranged at the periphery of the cold storage, and color steel plates are paved outside the steel structure to play roles in avoiding light and reducing damage to the external severe environment, so that the cold storage body is prevented from being directly exposed to the environment, and the damage is accelerated;
The extension rod 6 is arranged on the reinforcing plate 4, so that when a steel structure factory building is extended and reformed in the later period or when a construction plan and actual requirements are changed, the distance between two adjacent steel upright posts 1 is changed by extending the extension rod 6 to extend out of the sliding hole, a new reinforcing plate 4 is not required to be produced, and the reinforcing plate 4 and the extension rod 6 are matched, so that the steel structure is flexibly constructed, and the requirements of factories are met; after the construction, the extension rod 6 can be welded at the outer edge of the sliding hole, so that the stability between two adjacent steel upright posts 1 is ensured, meanwhile, the reinforcement rod mainly bears the collision force perpendicular to the axial direction, whether the extension rod 6 slides in the sliding hole or not can be ignored for bearing the collision force perpendicular to the axial direction; in the later stage, when the effective length of the reinforcing plate 4 is adjusted, only a grinding machine is needed to cut and remove the welding point, and the extension rod 6 can slide in the sliding hole;
The buffer mechanism is arranged and used for buffering the collision destructive power of the external part, so that the damage to the steel structure is reduced; the reinforcing plate 4 is internally provided with a plurality of through holes 10, the right angle blocks 9 can be directly inserted on the reinforcing plate 4, then the steel structure is protected through the vertical plates 8, the vertical plates 8 are PVC plates, the PVC plates have elasticity, and under the condition of protecting the PVC plates, the buffer protection steel structure can be protected, even if the vertical plates 8 are damaged by impact, the right angle blocks 9 can be directly taken down, and the new vertical plates 8 can be replaced, so that the replacement is convenient; the vertical plate 8 can be used as a fixed point, the color steel plate is fixed on the vertical plate 8, and the color steel plate is not fixed on the steel upright post 1 in a welding mode, so that the color steel plate is convenient to install and fix;
The vertical plate 8 is connected to the right-angle block 9 through the buffer spring 12, the vertical plate 8 can swing up and down to deflect, and the up and down swing amplitude of the vertical plate 8 is increased, so that when the vertical plate 8 is subjected to external extrusion force, a buffer path can be prolonged, and the vertical plate can be better protected; the two ends of the top beam 13 are provided with the plugboards 14, the plugboards are suitable for the H-shaped steel upright posts 1, namely, the plugboards are matched in a concave-convex mode, the insertion depth of the plugboards 14 can ensure the stability between the top beam 13 and the steel upright posts 1, the plugboards 14 are inserted into the grooves at the upper ends of the steel upright posts 1 and are limited and fixed through the limiting plates 15, and the mode does not need a plurality of bolts to be matched and fixed, so that the installation and the disassembly are convenient;
The fork openings 16 on the inserting plate 14 are inserted into the fastening bolts 17 above, when the bracket beam 3 is not fixed on the steel upright post 1, the fastening bolts 17 are rotated, then the two extrusion plates 18 move towards the direction of the groove 20 and are extruded in the groove 20, meanwhile, the convex parts 19 are embedded into the concave parts 21, and the two ends of the top beam 13 are further fastened in the grooves of the steel upright post 1, so that the connection stability between the steel upright post 1 and the top beam 13 is improved;
After the bracket beams 3 are fastened on the steel upright posts 1 through the fastening bolts 17, the crane guide rail beams 2 are transversely arranged on a plurality of bracket beams 3 in the same row, meanwhile, the positioning pins 22 are embedded in the horizontal plane penetrating through the rear ends of the bracket beams 3, at the moment, the crane guide rail beams 2 are fixed in advance, and meanwhile, bolt holes on the bracket beams 3 and bolt holes on the crane guide rail beams 2 are convenient to align, so that the bolts can be conveniently inserted and fastened;
The lower ends of the side-by-side steel upright posts 1 are fixedly connected with transverse plates 23, so that the stability of the steel structure is further improved, the later construction is completed, concrete slurry is injected into the steel pipes 25, the slurry spreads in the spheres 26, pits of the underground embedded spheres 26 are filled, the transverse plates 23 are fixed on the ground, and the stability of the steel structure on the ground is improved again;
After the concrete is solidified, the nut is rotated, so that the steel pipe 25 moves upwards along the fixing hole 24, and meanwhile, the transverse plate 23 is pressed down, so that the transverse plate 23 is further fastened on the ground, and the stability between the steel structure and the ground is improved; and a limiting rod 27 arranged on the surface of the sphere 26, so that the sphere 26 is restrained in the pit, and the separation force of the sphere 26 and soil is increased, so that the stability between the transverse plate 23 and the ground is also improved.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An impact-resistant portal steel frame structure comprises a steel upright post (1), a crane guide rail beam (2) and a bracket beam (3); the steel upright posts (1) are arranged in two rows, the bracket beams (3) are fixedly connected on the steel upright posts (1) through fastening bolts (17), and the crane guide rail beams (2) are erected on the bracket beams (3) in the same row; the method is characterized in that: a reinforcing plate (4) is arranged between the adjacent steel upright posts (1); the inner side surfaces of the steel upright posts (1) are provided with notches (5), two notches (5) which are adjacent to each other between two adjacent steel upright posts (1) are internally provided with reinforcing plates (4), the cross sections of the reinforcing plates (4) are T-shaped, and two ends of each reinforcing plate (4) are respectively embedded into the notches (5) and are fastened on the steel upright posts (1) through bolts;
The upper end of the steel upright (1) is provided with a top beam (13), two ends of the top beam (13) are respectively divided into two plugboards (14), the head end of each plugboard (14) is fixedly connected with a limiting plate (15), the tail end of each plugboard (14) is provided with a fork opening (16), the plugboards (14) are symmetrically embedded in a groove at the upper end of the steel upright (1), the limiting plates (15) are propped against the upper end surface of the steel upright (1), and the fork openings (16) are embedded in upper fastening bolts (17) between the steel upright (1) and the bracket beams (3);
The upper side of the fastening bolt (17) is symmetrically provided with extrusion plates (18), the threads of the fastening bolt (17) penetrate through the lower ends of the two extrusion plates (18), the thread directions of the adjacent two extrusion plates (18) are opposite, and the extrusion plates (18) are internally provided with convex parts (19); grooves (20) are symmetrically formed in two sides of the inserting plate (14), the grooves (20) are matched with the extruding plate (18), concave portions (21) are formed in the inner surfaces of the grooves (20), and the concave portions (21) are matched with the convex portions (19).
2. An impact resistant portal frame structure as claimed in claim 1, wherein: and each reinforcing plate (4) is disconnected in the middle, a sliding hole is formed in the disconnection surface, an extension rod (6) is arranged in the sliding hole, the extension rod (6) is connected in the sliding hole in a sliding way, and the end parts of the extension rods (6) are fixedly connected with anti-falling blocks (7).
3. An impact resistant portal frame structure as claimed in claim 2, wherein: a buffer mechanism is arranged on the reinforcing plate (4); the buffer mechanism comprises a vertical plate (8) and a right-angle block (9); the back of riser (8) is connected one terminal surface of right angle piece (9), and the other end lock of right angle piece (9) is in the corner position of reinforcing plate (4), and the other terminal surface rigid coupling of right angle piece (9) has the bolt, and the bolt runs through hole (10) that reinforcing plate (4) corner position was seted up.
4. An impact resistant portal frame structure as claimed in claim 3, wherein: a spring groove (11) is formed in one end face of the right-angle block (9); spring grooves (11) are also formed in positions, opposite to one end face of the right-angle block (9), of the vertical plate (8), buffer springs (12) are arranged in the two opposite spring grooves (11), and two ends of each buffer spring (12) are fixedly connected in the corresponding spring groove (11).
5. An impact resistant portal frame structure as claimed in claim 1, wherein: the crane guide rail beam (2) length direction one side bolt rigid coupling is in the front end horizontal plane of bracket beam (3), and crane guide rail beam (2) length direction opposite side is equipped with locating pin (22), and the rear end horizontal plane of bracket beam (3) is run through to locating pin (22).
6. An impact resistant portal frame structure as claimed in claim 1, wherein: the steel upright post (1) lower extreme rigid coupling has diaphragm (23) side by side, sets up a plurality of fixed orificess (24) on diaphragm (23), and fixed orificess (24) run through steel pipe (25), and the one end rigid coupling of steel pipe (25) is at diaphragm (23) upper surface, and the other end downwardly extending of steel pipe (25) to the rigid coupling has spheroid (26), and spheroid (26) are the fretwork form, and spheroid (26) are buried underground in advance.
7. The impact resistant portal frame structure of claim 6, wherein: the outer ring at the upper end of the steel pipe (25) is limited on the upper surface of the transverse plate (23) through a nut; and a limiting rod (27) which is inclined upwards is arranged on the surface of the sphere (26).
8. An impact resistant portal frame structure as claimed in claim 1, wherein: a plurality of jacks (28) are formed in the top beams (13), inserting rods (29) are arranged in the jacks (28), the inserting rods (29) penetrate through the jacks (28) between two adjacent top beams (13), and the inserting rods (29) are welded on the top beams (13).
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| CN202210869845.9A CN115095019B (en) | 2022-07-21 | 2022-07-21 | Impact-resistant portal steel frame structure |
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| CN202210869845.9A CN115095019B (en) | 2022-07-21 | 2022-07-21 | Impact-resistant portal steel frame structure |
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| CN115095019B true CN115095019B (en) | 2024-05-28 |
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| CN115095019A (en) | 2022-09-23 |
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