CN109680708B - Steel construction building cylinder antidetonation buffering base - Google Patents
Steel construction building cylinder antidetonation buffering base Download PDFInfo
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- CN109680708B CN109680708B CN201811618652.6A CN201811618652A CN109680708B CN 109680708 B CN109680708 B CN 109680708B CN 201811618652 A CN201811618652 A CN 201811618652A CN 109680708 B CN109680708 B CN 109680708B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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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
- E04B1/0007—Base structures; Cellars
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
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- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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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
- E04B2001/2463—Connections to foundations
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Abstract
The invention discloses a steel structure building cylinder anti-seismic buffer base which comprises a steel structure upright post (1) and a foundation pit (2), wherein the steel structure upright post (1) is I-shaped steel; the lower end of the steel structure upright post (1) is provided with an upright post movable base, the lower end of the steel structure upright post (1) is sleeved in the upright post movable base, and concrete is filled between the steel structure upright post (1) and the upright post movable base; an upright post fixing base is arranged in the foundation pit (2), and concrete is filled between the upright post fixing base and the foundation pit (2); the upright post movable base is sleeved in the upright post fixed base and is in sliding connection with the upright post fixed base, and a plurality of buffering supporting components are arranged between the upright post movable base and the upright post fixed base. The invention has the advantages that the defects in the prior art can be overcome, and the structural design is reasonable and novel.
Description
Technical Field
The invention relates to a steel structure building column anti-seismic buffer base, and belongs to the field of buildings.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are usually connected by welding, bolts or rivets. Because of its light dead weight, and the construction is simple and convenient, widely apply to fields such as large-scale factory building, venue. The main support component of steel structure building is the steel structure stand, and in order to strengthen the support stability of steel structure stand lower extreme, can set up the ground at the lower extreme of steel structure stand. The existing steel structure upright post foundation is generally rigidly connected with a ground foundation pit, the shock resistance and the buffering performance of the connection mode are poor, when large-scale equipment in a building operates, the shock and the pressure of the equipment are transmitted to a support cylinder through a floor slab, and the support cylinder receives the shock and transmits the shock to a base so that the base vibrates the foundation pit and the surrounding foundation matrixes thereof, so that the foundation pit and the surrounding foundation matrixes thereof are loose, and the cylinder and the base sink.
Disclosure of Invention
The technical scheme of the invention aims at the following problems in the prior art: "current steel construction stand foundation adopts rigid connection with ground foundation ditch generally, such connected mode antidetonation shock-absorbing capacity is poor, when the main equipment operation in the building, the vibrations and the pressure of equipment pass through floor transmission to support cylinder, support cylinder receives to vibrate after-transmitting to the base can make base vibration foundation ditch and foundation matrix around with, make foundation ditch and foundation matrix around loose, cause the not enough of cylinder and base subsidence", provide a steel construction building cylinder antidetonation buffer base.
In order to solve the technical problems, the invention adopts the technical scheme that the steel structure building cylinder earthquake-proof buffer base comprises a steel structure upright post and a foundation pit, wherein the steel structure upright post is I-shaped steel; the lower end of the steel structure upright post is provided with an upright post movable base, the lower end of the steel structure upright post is sleeved in the upright post movable base, and concrete is filled between the steel structure upright post and the upright post movable base; an upright post fixing base is arranged in the foundation pit, and concrete is filled between the upright post fixing base and the foundation pit; the upright post movable base is sleeved in the upright post fixed base and is connected with the upright post fixed base in a sliding manner, and a plurality of buffer supporting components are arranged between the upright post movable base and the upright post fixed base; one end of the steel structure upright post inserted in the upright post movable base is provided with an upright post fixing piece for fixing the steel structure upright post in the upright post movable base; the outer surface of the upright post fixing base is connected with a base fixing component which is used for fixing the upright post fixing base in concrete filled in a foundation pit.
Among the technical scheme of this application, set up the stand movable base who has pour the concrete through the lower part at the steel construction stand to it is fixed with steel construction stand and stand movable base through the stand mounting, set up stand fixed baseplate in the foundation ditch and fixed through the fixed subassembly of base. When the stand receives vibrations to influence, cup joint through the slip that movable base is fixed to cup joint with the stand fixed baseplate in the activity direction restriction of steel construction stand in the fixed and relative slip direction with stand fixed baseplate of movable base, reduce the influence of vibrations to stand fixed baseplate through the buffering of buffering supporting component, and then reduce vibration energy stand fixed baseplate and will shake the transmission to foundation ditch and the soil around the foundation ditch, thereby prevent that foundation ditch and the soil around the foundation ditch from loosening and causing the base to sink.
Preferably, the upright post movable base comprises a sliding sleeve, and the upper end of the sliding sleeve is provided with an opening; the upright post fixing base comprises a fixing sleeve, and the upper end of the fixing sleeve is provided with an opening; the sliding sleeve and the fixed sleeve are coaxially arranged, the lower end of the sliding sleeve is sleeved in the fixed sleeve, and the outer wall of the sliding sleeve is in sliding contact with the inner wall of the fixed sleeve; the lower section of the steel structure upright post is sleeved in the sliding sleeve and is fixed with the concrete in the sliding sleeve through an upright post fixing piece.
In this application, with sliding sleeve cup joint in fixed sleeve, the moving direction of relative slip restriction steel construction stand through sliding sleeve and fixed sleeve, in fixed sleeve was fixed in the concrete in the foundation ditch, can prevent through the fixed subassembly's of base that the fixed sleeve from taking place to heels, and then make the steel construction stand, sliding sleeve can not take place to heels, and the steel construction stand makes sliding sleeve pressed in fixed sleeve owing to bear the weight of whole building and pushes down, can not deviate from fixed sleeve.
Preferably, the steel structure building cylinder earthquake-proof buffer base comprises an inner cylinder, an outer cylinder and a compression spring; the axis of the inner cylinder and the axis of the outer cylinder are arranged in parallel with the axis of the fixed sleeve; the inner cylinder is fixed on the outer bottom end surface of the sliding sleeve, the outer cylinder is fixedly arranged on the inner bottom end surface of the fixed sleeve, and the inner cylinder is sleeved in the outer cylinder and is in sliding connection with the outer cylinder; the length of compression spring under the free state is greater than the length of an inside section of thick bamboo, compression spring's one end cup joints in an inside section of thick bamboo and sticiss the contact with an inside section of thick bamboo internal surface, compression spring's the other end cup joints in an outside section of thick bamboo and sticiss the contact with an outside section of thick bamboo internal surface.
In the technical scheme of this application, when vibration passes through the stand and transmits to the base, sliding sleeve slides in fixed sleeve, and inside section of thick bamboo slides in an outside section of thick bamboo, and the shock energy is absorbed through elastic deformation and elastic recovery to the compression spring, reduces fixed sleeve's vibrations to reduce the vibrations of base, the soil around the base is because receiving the vibrations influence to reduce, can not take place excessively loose and cause the base to subside. The inner tube slides within the outer tube to act to limit the compression direction and the elastic return direction of the compression spring and to limit the position of the compression spring, preventing it from shifting.
Preferably, the I-steel-shaped steel structure upright column of the steel structure building column earthquake-resistant buffer base comprises two wing plates arranged in parallel and a web plate arranged between the two wing plates and perpendicular to the wing plates; the upright post fixing part comprises a plurality of transverse steel bars arranged in parallel at intervals and a plurality of longitudinal steel bars arranged in parallel at intervals, the transverse steel bars penetrate through a web plate of the steel structure upright post and are vertically fixed with the web plate of the steel structure upright post, and the longitudinal steel bars penetrate through two wing plates of the steel structure upright post and are vertically fixed with two web plates of the steel structure upright post; the ends of the transverse steel bars and the longitudinal steel bars are arranged at intervals with the inner wall of the sliding sleeve.
In this application, in order to increase steel structure stand and sliding sleeve's firm in connection degree, be connected the lower extreme and the concrete of steel structure stand through horizontal reinforcing bar and longitudinal reinforcement, formed the stock that steel structure stand and concrete are connected through horizontal reinforcing bar and longitudinal reinforcement, with steel structure stand lower extreme riveting and in the concrete, prevent that steel structure stand from deviating from the concrete.
Preferably, the steel structure building cylinder anti-seismic buffer base is characterized in that a plurality of internal anchor rods are arranged on the inner wall of the sliding sleeve, the end parts of the internal anchor rods are fixedly welded with the inner wall of the sliding sleeve, and the internal anchor rods are perpendicular to the inner wall of the sliding sleeve; and a plurality of bending anchor rods are arranged on the inner bottom end face of the sliding sleeve, and one ends of the bending anchor rods are fixedly welded with the inner bottom end face of the sliding sleeve.
In this application, the concrete of doing solid is fixed in the sliding sleeve to the inside stock on the sliding sleeve inner wall and the anchor rod of bending on the inside bottom face of sliding sleeve. The sliding sleeve, the concrete and the steel structure upright post are fixedly connected by the transverse steel bars, the longitudinal steel bars, the internal anchor rods and the bent anchor rods to form a stressed whole.
Preferably, the base fixing component of the steel structure building cylinder earthquake-proof buffer base comprises a plurality of rectangular fixing frames, and the fixing frames are sleeved on the fixing sleeves; the fixed frame comprises four L-shaped bending pipes and four inserting pipes, the four bending pipes are respectively used as four corners of the rectangle of the fixed frame, an inserting pipe is arranged between every two adjacent bending pipes, and two ends of each inserting pipe are respectively inserted into an end opening of each inserting pipe and fixed with the bending pipes through bolts.
In this application, fixed frame has increased the firm in connection degree of fixed sleeve with the concrete to the fixed frame of multilayer has increased the area of contact of fixed sleeve with the concrete in the fixed sleeve outside, thereby makes the fixed sleeve can not take place the upset slope in the concrete. The fixed frame is formed by the four bending pipes and the four inserting pipes, the length of the inserting pipes is adjusted to adjust the size of the fixed frame, the fixed frame can adapt to fixed sleeves with different sizes, and the fixed frame can also adapt to the fixing requirements under different conditions.
Optimized, above-mentioned steel structure building cylinder antidetonation buffering base, be provided with a plurality of threaded connection poles between fixed frame and the fixed sleeve, be provided with a plurality of thread bushings on the outer wall of fixed sleeve, threaded connection pole passes fixed frame's the pipe of bending, threaded connection pole's tip peg graft in the thread bushing and with thread bushing threaded connection.
In this application, through threaded connection pole with fixed sleeve and fixed frame fixed connection. And the threaded connecting rod is used as an anchor rod of the surface of the fixing sleeve inserted into the concrete, so that the connection firmness of the fixing sleeve and the concrete is further improved.
Optimized, above-mentioned steel construction building cylinder antidetonation buffering base, be provided with the slip arch of bar on the surface of an inside section of thick bamboo, be provided with the sliding tray on the outside section of thick bamboo, the slip arch is pegged graft in the sliding tray and is followed the slip of inside section of thick bamboo axis direction.
In this application, the sliding contact area of an inner tube and an outer tube is increased by the sliding fit of the sliding protrusion and the sliding groove, and the sliding direction of the inner tube and the outer tube is restricted.
Preferably, a plurality of fixing anchor rods are arranged between the fixing frames of the steel structure building cylinder anti-seismic buffer base, one ends of the fixing anchor rods penetrate through the upper surface of concrete filled in the foundation pit, and the other ends of the fixing anchor rods penetrate through the lower end inside the foundation pit and are inserted into a rock soil layer below the foundation pit; the middle section of the fixed anchor rod penetrates through the bending pipe of the fixed frame and is fixedly connected with the bending pipe.
In this application, connect fixed frame through fixed stock for a plurality of fixed frame can be connected and be a atress whole, improve holistic atress intensity. And the concrete of pouring in the foundation ditch is fixed in the foundation ditch to fixed stock, has increased the whole firmness of base.
Preferably, the steel structure building cylinder earthquake-proof buffering base is characterized in that an upper cover plate is arranged on the upper surface of concrete filled in the foundation pit, two half plates of the upper cover plate are butted into a plate shape, slots are formed in the edges of the half plates, the slots of the two half plates are butted into upright post inserting grooves, steel structure upright posts are inserted into the upright post inserting grooves, and the two half plates are welded and fixed; the end part of the fixed anchor rod penetrates through the half plate and is fixedly connected with the half plate through a nut.
In this application, the upper portion apron has improved the tip firmness of fixed stock as the support of fixed stock upper end. Set up the upper portion apron into the form through two half board butt joints, can make things convenient for the installation of upper portion apron fixed when the later stage installation.
The invention has the advantages that the defects in the prior art can be overcome, and the structural design is reasonable and novel. Among the technical scheme of this application, set up the stand movable base who has pour the concrete through the lower part at the steel construction stand to it is fixed with steel construction stand and stand movable base through the stand mounting, set up stand fixed baseplate in the foundation ditch and fixed through the fixed subassembly of base. When the stand receives vibrations when taking place, cup joint through the slip of the fixed and stand fixed baseplate of movable base and restrict the activity direction of steel construction stand in the fixed and relative slip direction of stand fixed baseplate of movable base, reduce the influence of vibrations to stand fixed baseplate through the buffering of buffering supporting component, and then reduce vibration energy stand fixed baseplate and will shake and transmit to foundation ditch and the soil around the foundation ditch, thereby prevent that foundation ditch and the soil loosening around the foundation ditch from causing the base to sink.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
FIG. 4 isbase:Sub>A sectional view A-A of FIG. 1;
fig. 5 is a schematic view of the mounting structure of the present invention.
Detailed Description
The technical features of the invention are further explained in the following with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, the invention relates to a steel structure building cylinder earthquake-proof buffer base, which comprises a steel structure upright post 1 and a foundation pit 2, wherein the steel structure upright post 1 is an i-shaped steel; the lower end of the steel structure upright post 1 is provided with an upright post movable base, the lower end of the steel structure upright post 1 is sleeved in the upright post movable base, and concrete is filled between the steel structure upright post 1 and the upright post movable base; an upright post fixing base is arranged in the foundation pit 2, and concrete is filled between the upright post fixing base and the foundation pit 2; the upright post movable base is sleeved in the upright post fixed base and is connected with the upright post fixed base in a sliding manner, and a plurality of buffer supporting components are arranged between the upright post movable base and the upright post fixed base; one end of the steel structure upright post 1 inserted in the upright post movable base is provided with an upright post fixing piece for fixing the steel structure upright post 1 in the upright post movable base; the outer surface of the upright post fixing base is connected with a base fixing component which is used for fixing the upright post fixing base in concrete filled in the foundation pit 2.
Among the technical scheme of this application, set up the stand movable base who has pour the concrete through the lower part at steel construction stand 1 to it is fixed with steel construction stand 1 and stand movable base through the stand mounting, set up stand fixed baseplate in foundation ditch 2 and fixed through base fixed subassembly. When the stand receives vibrations when taking place, cup joint through the slip of the fixed and stand fixed baseplate of movable base with the activity direction restriction of steel construction stand 1 in the fixed and relative slip direction of stand fixed baseplate of movable base, reduce the influence of vibrations to the stand fixed baseplate through the buffering of buffering supporting component, and then reduce vibration energy stand fixed baseplate and will shake and transmit to foundation ditch 2 and the soil around the foundation ditch 2, thereby prevent that foundation ditch 2 and the soil around the foundation ditch 2 from loosening and causing the base to sink.
The upright post movable base comprises a sliding sleeve 3, and the upper end of the sliding sleeve 3 is opened; the upright post fixing base comprises a fixing sleeve 4, and the upper end of the fixing sleeve 4 is opened; the sliding sleeve 3 and the fixed sleeve 4 are coaxially arranged, the lower end of the sliding sleeve 3 is sleeved in the fixed sleeve 4, and the outer wall of the sliding sleeve 3 is in sliding contact with the inner wall of the fixed sleeve 4; the lower section of the steel structure upright post 1 is sleeved in the sliding sleeve 3 and is fixed with the concrete in the sliding sleeve 3 through an upright post fixing piece.
In this application, cup joint sliding sleeve 3 in fixed sleeve 4, the moving direction of relative slip restriction steel structure stand 1 through sliding sleeve 3 and fixed sleeve 4, fixed sleeve 4 is fixed in the concrete in foundation ditch 2, the fixed of fixing subassembly through the base can prevent that fixed sleeve 4 from taking place to heels, and then make steel structure stand 1, sliding sleeve 3 can not take place to heels, and steel structure stand 1 makes sliding sleeve 3 pressed in fixed sleeve 4 owing to bear the weight of whole building and pushes down, can not deviate from fixed sleeve 4.
The buffer support component comprises an inner barrel 5, an outer barrel 6 and a compression spring 7; the axial line of the inner cylinder 5 and the axial line of the outer cylinder 6 are arranged in parallel with the axial line of the fixed sleeve 4; the inner cylinder 5 is fixed on the outer bottom end surface of the sliding sleeve 3, the outer cylinder 6 is fixedly arranged on the inner bottom end surface of the fixed sleeve 4, and the inner cylinder 5 is sleeved in the outer cylinder 6 and is in sliding connection with the outer cylinder 6; the length of the compression spring 7 in a free state is larger than that of the inner barrel 5, one end of the compression spring 7 is sleeved in the inner barrel 5 and is in pressing contact with the inner surface of the inner barrel 5, and the other end of the compression spring 7 is sleeved in the outer barrel 6 and is in pressing contact with the inner surface of the outer barrel 6.
Among the technical scheme of this application, when vibration passes through stand 1 and transmits to the base, sliding sleeve 3 slides in fixed sleeve 4, and inside section of thick bamboo 5 slides in outside section of thick bamboo 6, and the shock energy is absorbed through elastic deformation and elasticity recovery to compression spring 7 spring, reduces fixed sleeve 4's vibrations to reduce the vibrations of base, the soil around the base is owing to receive the vibrations influence to reduce, can not take place excessively loose and cause the base to subside. The inner tube 5 slides within the outer tube 6 to serve to restrict the compression direction and the elastic recovery direction of the compression spring 7 and to restrict the position of the compression spring 7 from being displaced.
The I-shaped steel structure upright post 1 comprises two wing plates arranged in parallel and a web plate arranged between the two wing plates and vertical to the wing plates; the upright post fixing piece comprises a plurality of transverse steel bars 8 arranged in parallel at intervals and a plurality of longitudinal steel bars 9 arranged in parallel at intervals, wherein the transverse steel bars 8 penetrate through webs of the steel structure upright posts 1 and are vertically fixed with the webs of the steel structure upright posts 1, and the longitudinal steel bars 9 penetrate through two wing plates of the steel structure upright posts 1 and are vertically fixed with the two webs of the steel structure upright posts 1; the ends of the transverse steel bars 8 and the longitudinal steel bars 9 are arranged at intervals with the inner wall of the sliding sleeve 3.
In this application, in order to increase steel structure stand 1 and sliding sleeve 3's firm in connection degree, be connected the lower extreme and the concrete of steel structure stand 1 through horizontal reinforcement 8 and longitudinal reinforcement 9, formed the stock that steel structure stand 1 and concrete are connected through horizontal reinforcement 8 and longitudinal reinforcement 9, with in 1 lower extreme riveting of steel structure stand and the concrete, prevent that steel structure stand 1 from deviating from in the concrete.
A plurality of internal anchor rods 10 are arranged on the inner wall of the sliding sleeve 3, the end parts of the internal anchor rods 10 are fixedly welded with the inner wall of the sliding sleeve 3, and the internal anchor rods 10 are perpendicular to the inner wall of the sliding sleeve 3; a plurality of bending anchor rods 11 are arranged on the inner bottom end face of the sliding sleeve 3, and one ends of the bending anchor rods 11 are fixedly welded with the inner bottom end face of the sliding sleeve 3.
In this application, the inner anchor 10 on the inner wall of the sliding sleeve 3 and the bent anchor 11 on the inner bottom end face of the sliding sleeve 3 fix the dry concrete in the sliding sleeve 3. The sliding sleeve 3, the concrete and the steel structure upright post 1 are fixedly connected by the transverse steel bars 8, the longitudinal steel bars 9, the internal anchor rods 10 and the bent anchor rods 11 to form a stressed whole.
The base fixing component comprises a plurality of rectangular fixing frames, and the fixing frames are sleeved on the fixing sleeve 4; the fixed frame comprises four L-shaped bending pipes 12 and four inserting pipes 13, the four bending pipes 12 are respectively used as four corners of a rectangle of the fixed frame, an inserting pipe 13 is arranged between every two adjacent bending pipes 12, and two ends of each inserting pipe 13 are respectively inserted into an end opening of each inserting pipe 13 and fixed with the corresponding bending pipe 12 through bolts.
In this application, fixed frame has increased the firm in connection degree of fixed sleeve 4 with the concrete to the fixed frame of multilayer has increased the area of contact of fixed sleeve 4 with the concrete in the fixed sleeve 4 outside, thereby makes fixed sleeve 4 can not take place the upset slope in the concrete. Form fixed frame through four pipes 12, four grafting pipes 13 of bending, insert through adjusting grafting pipe 13 and bend 12 length and can adjust fixed frame's size, can adapt to not unidimensional fixed sleeve 4, also can adapt to the fixed requirement under the different situation.
A plurality of threaded connecting rods 14 are arranged between the fixed frame and the fixed sleeve 4, a plurality of threaded sleeves 15 are arranged on the outer wall of the fixed sleeve 4, the threaded connecting rods 14 penetrate through the bending pipes 12 of the fixed frame, and the end portions of the threaded connecting rods 14 are inserted into the threaded sleeves 15 and are in threaded connection with the threaded sleeves 15.
In the present application, the fixing sleeve 4 is fixedly connected with the fixing frame by the threaded connecting rod 14. And the threaded connecting rod 14 is used as an anchor rod inserted into the concrete on the surface of the fixing sleeve 4, so that the connection firmness of the fixing sleeve 4 and the concrete is further improved.
The outer surface of the inner cylinder 5 is provided with a strip-shaped sliding protrusion 16, the outer cylinder 6 is provided with a sliding groove 17, and the sliding protrusion 16 is inserted into the sliding groove 17 and slides along the axial direction of the inner cylinder 5.
In the present application, the sliding contact area of the inner tube 5 and the outer tube 6 is increased by the sliding fit of the sliding projection 16 and the sliding groove 17, and the sliding direction of the inner tube 5 and the outer tube 6 is restricted.
A plurality of fixing anchor rods 18 are arranged between the fixing frames, one ends of the fixing anchor rods 18 penetrate through the upper surface of concrete filled in the foundation pit 2, and the other ends of the fixing anchor rods 18 penetrate through the lower end inside the foundation pit 2 and are inserted into a rock soil layer below the foundation pit 2; the middle section of the fixing anchor rod 18 passes through the bending pipe 12 of the fixing frame and is fixedly connected with the bending pipe 12.
In this application, through fixing the stock 18 with fixed frame connection for a plurality of fixed frame can be connected and be a atress whole, improve holistic atress intensity. And the fixing anchor rods 18 fix the concrete poured in the foundation pit 2, so that the overall firmness of the base is increased.
An upper cover plate is arranged on the upper surface of concrete filled in the foundation pit 2, two half plates 19 of the upper cover plate are butted into a plate shape, grooves are formed in the edges of the half plates 19, the grooves of the two half plates 19 are butted into upright post inserting grooves 20, the steel structure upright post 1 is inserted into the upright post inserting grooves 20, and the two half plates 19 are welded and fixed; the end of the fixing anchor 18 passes through the half plate 19 and is fixedly connected with the half plate 19 through a nut.
In this application, the upper cover plate, as a support for fixing the upper end of the anchor 18, improves the end firmness of the anchor 18. The upper cover plate is arranged to be in butt joint with the two half plates 19, so that the upper cover plate can be conveniently installed and fixed in the later installation.
It will be understood that the present invention is not limited to the above description, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the invention may be made by those skilled in the art.
Claims (6)
1. The utility model provides a steel construction building cylinder antidetonation buffer base which characterized in that: the foundation pit supporting structure comprises a steel structure upright post (1) and a foundation pit (2), wherein the steel structure upright post (1) is I-shaped steel; the lower end of the steel structure upright post (1) is provided with an upright post movable base, the lower end of the steel structure upright post (1) is sleeved in the upright post movable base, and concrete is filled between the steel structure upright post (1) and the upright post movable base; an upright post fixing base is arranged in the foundation pit (2), and concrete is filled between the upright post fixing base and the foundation pit (2); the upright post movable base is sleeved in the upright post fixed base and is connected with the upright post fixed base in a sliding manner, and a plurality of buffer supporting components are arranged between the upright post movable base and the upright post fixed base; one end of the steel structure upright post (1) inserted in the upright post movable base is provided with an upright post fixing piece for fixing the steel structure upright post (1) in the upright post movable base; the outer surface of the upright post fixing base is connected with a base fixing component for fixing the upright post fixing base in concrete filled in the foundation pit (2); the upright post movable base comprises a sliding sleeve (3), and the upper end of the sliding sleeve (3) is opened; the upright post fixing base comprises a fixing sleeve (4), and the upper end of the fixing sleeve (4) is opened; the sliding sleeve (3) and the fixed sleeve (4) are coaxially arranged, the lower end of the sliding sleeve (3) is sleeved in the fixed sleeve (4), and the outer wall of the sliding sleeve (3) is in sliding contact with the inner wall of the fixed sleeve (4); the lower section of the steel structure upright post (1) is sleeved in the sliding sleeve (3) and is fixed with concrete in the sliding sleeve (3) through an upright post fixing piece; the buffer support component comprises an inner cylinder (5), an outer cylinder (6) and a compression spring (7); the axial line of the inner cylinder (5) and the axial line of the outer cylinder (6) are arranged in parallel with the axial line of the fixed sleeve (4); the inner barrel (5) is fixed on the outer bottom end face of the sliding sleeve (3), the outer barrel (6) is fixedly arranged on the inner bottom end face of the fixed sleeve (4), and the inner barrel (5) is sleeved in the outer barrel (6) and is in sliding connection with the outer barrel (6); the length of the compression spring (7) in a free state is larger than that of the inner barrel (5), one end of the compression spring (7) is sleeved in the inner barrel (5) and is in pressing contact with the inner surface of the inner barrel (5), and the other end of the compression spring (7) is sleeved in the outer barrel (6) and is in pressing contact with the inner surface of the outer barrel (6); the base fixing component comprises a plurality of rectangular fixing frames, and the fixing frames are sleeved on the fixing sleeve (4); the fixing frame comprises four L-shaped bending pipes (12) and four inserting pipes (13), the four bending pipes (12) are respectively used as four corners of a rectangle of the fixing frame, one inserting pipe (13) is arranged between every two adjacent bending pipes (12), and two ends of each inserting pipe (13) are respectively inserted into an end opening of one inserting pipe (13) and fixed with the corresponding bending pipe (12) through bolts; a plurality of fixing anchor rods (18) are arranged between the fixing frames, one ends of the fixing anchor rods (18) penetrate through the upper surface of concrete filled in the foundation pit (2), and the other ends of the fixing anchor rods (18) penetrate through the lower end of the interior of the foundation pit (2) and are inserted into a rock soil layer below the foundation pit (2); the middle section of the fixed anchor rod (18) penetrates through a bending pipe (12) of the fixed frame and is fixedly connected with the bending pipe (12).
2. The steel structure building cylinder earthquake-resistant buffer base of claim 1, characterized in that: the I-shaped steel structure upright post (1) comprises two wing plates arranged in parallel and a web plate arranged between the two wing plates and vertical to the wing plates; the upright post fixing piece comprises a plurality of transverse reinforcing steel bars (8) arranged in parallel at intervals and a plurality of longitudinal reinforcing steel bars (9) arranged in parallel at intervals, wherein the transverse reinforcing steel bars (8) penetrate through webs of the steel structure upright posts (1) and are vertically fixed with the webs of the steel structure upright posts (1), and the longitudinal reinforcing steel bars (9) penetrate through two wing plates of the steel structure upright posts (1) and are vertically fixed with the two webs of the steel structure upright posts (1); the ends of the transverse steel bars (8) and the longitudinal steel bars (9) are arranged at intervals with the inner wall of the sliding sleeve (3).
3. The steel structure building cylinder antidetonation buffer base of claim 1, characterized in that: a plurality of internal anchor rods (10) are arranged on the inner wall of the sliding sleeve (3), the end parts of the internal anchor rods (10) are fixedly welded with the inner wall of the sliding sleeve (3), and the internal anchor rods (10) are perpendicular to the inner wall of the sliding sleeve (3); a plurality of bending anchor rods (11) are arranged on the inner bottom end face of the sliding sleeve (3), and one ends of the bending anchor rods (11) are fixedly welded with the inner bottom end face of the sliding sleeve (3).
4. The steel structure building cylinder earthquake-resistant buffer base of claim 1, characterized in that: a plurality of threaded connecting rods (14) are arranged between the fixed frame and the fixed sleeve (4), a plurality of threaded sleeves (15) are arranged on the outer wall of the fixed sleeve (4), the threaded connecting rods (14) penetrate through the bending pipes (12) of the fixed frame, and the end portions of the threaded connecting rods (14) are inserted into the threaded sleeves (15) and are in threaded connection with the threaded sleeves (15).
5. The steel structure building cylinder antidetonation buffer base of claim 1, characterized in that: the outer surface of the inner cylinder (5) is provided with a strip-shaped sliding protrusion (16), the outer cylinder (6) is provided with a sliding groove (17), and the sliding protrusion (16) is inserted into the sliding groove (17) and slides along the axial direction of the inner cylinder (5).
6. The steel structure building cylinder antidetonation buffer base of claim 1, characterized in that: an upper cover plate is arranged on the upper surface of concrete filled in the foundation pit (2), two half plates (19) of the upper cover plate are butted into a plate shape, grooves are formed in the edges of the half plates (19), the grooves of the two half plates (19) are butted into upright column inserting grooves (20), the steel structure upright column (1) is inserted into the upright column inserting grooves (20), and the two half plates (19) are welded and fixed; the end part of the fixing anchor rod (18) penetrates through the half plate (19) and is fixedly connected with the half plate (19) through a nut.
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| CN201811618652.6A CN109680708B (en) | 2018-12-28 | 2018-12-28 | Steel construction building cylinder antidetonation buffering base |
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| CN201811618652.6A CN109680708B (en) | 2018-12-28 | 2018-12-28 | Steel construction building cylinder antidetonation buffering base |
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| CN109680708B true CN109680708B (en) | 2022-12-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273425A (en) * | 2019-06-27 | 2019-09-24 | 余艳 | A kind of pre-buried pedestal of steel structure earthquake-resistant |
| CN112144560B (en) * | 2020-09-07 | 2021-09-07 | 焦作大学 | Concrete combination ground pillar for civil construction |
| CN113236012A (en) * | 2021-06-01 | 2021-08-10 | 国网山东省电力公司临邑县供电公司 | Mounting device of power transmission pole |
| CN115198785B (en) * | 2022-06-28 | 2024-05-17 | 甘肃建投土木工程建设集团有限责任公司 | Independent antidetonation basis of steel construction post convenient to construction |
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| CN109680708A (en) | 2019-04-26 |
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