CN113756594A - Concrete embedded fastener and construction method thereof - Google Patents
Concrete embedded fastener and construction method thereof Download PDFInfo
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- CN113756594A CN113756594A CN202111164545.2A CN202111164545A CN113756594A CN 113756594 A CN113756594 A CN 113756594A CN 202111164545 A CN202111164545 A CN 202111164545A CN 113756594 A CN113756594 A CN 113756594A
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- steel column
- concrete
- air bag
- base plate
- column base
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 230000002262 irrigation Effects 0.000 abstract description 4
- 238000003973 irrigation Methods 0.000 abstract description 4
- 210000004027 cell Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
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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
- E04B2001/2418—Details of bolting
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention provides a concrete embedded fastener and a construction method thereof, wherein the concrete embedded fastener comprises a steel column base plate, foundation bolts fixedly connected to the steel column base plate and transverse reinforcing rods fixedly connected to the bottoms of the foundation bolts, an external air source is arranged at the top surface of the steel column base plate, a main air bag is arranged at the bottom surface of the steel column base plate, the external air source and the main air bag are mutually communicated through an air pipe, an irrigation opening is arranged on the steel column base plate in a penetrating mode and is positioned above the main air bag, and a plug is embedded in the irrigation opening. Before the concrete embedded fastener needs to be placed into the hole, the main air bag is inflated by using an external air source, so that the volume of the main air bag is expanded. After putting into the hole with the pre-buried fastener of concrete, the main gasbag of inflation can support the steel column bottom plate for inside the steel column bottom plate is difficult for being absorbed in the concrete. Therefore, workers do not need to hold the concrete embedded fasteners, and the construction efficiency can be improved to a certain degree.
Description
Technical Field
The invention relates to an embedded bolt, in particular to a concrete embedded fastener and a construction method thereof.
Background
At present, chinese patent publication No. CN104455952A discloses an embedded bolt structure, which includes a steel column bottom plate and a foundation bolt vertically penetrating through the steel column bottom plate. The steel column bottom plate is attached to the ground. The foundation bolt is in threaded connection with two nuts, the two nuts are respectively located on the upper side and the lower side of the steel column base plate, and a cushion block is arranged between the nuts and the steel column base plate. And a transverse reinforcing structure is arranged at the bottom of the foundation bolt.
The construction process of the embedded bolt structure is as follows: firstly, using a tool to open a hole on the ground; secondly, cleaning the inside of the hole; thirdly, pouring concrete into the hole; and fourthly, placing the embedded bolt structure into the hole until the concrete is dried.
However, when the embedded bolt structure is placed in the hole, the embedded bolt structure gradually sinks, a worker needs to hold the position of the embedded bolt structure, and the construction efficiency of the embedded bolt structure is reduced to a certain extent.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a concrete fastener insert having advantages of being less likely to automatically sink and being capable of improving construction efficiency to some extent.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a concrete pre-buried fastener, includes steel column bottom plate, fixed connection in the rag bolt of steel column bottom plate, fixed connection in the horizontal stiffener of rag bolt bottom, the top surface department of steel column bottom plate is provided with outside air supply, the bottom surface department of steel column bottom plate is provided with main gasbag, outside air supply with communicate each other through the trachea between the main gasbag, it is provided with the watering mouth to run through on the steel column bottom plate, the watering mouth is located the top of main gasbag, it is equipped with the end cap to inlay in the watering mouth.
Through above-mentioned technical scheme, before the hole is put into with concrete embedded fastener to needs, use outside air supply to aerify the main gasbag for the volume expansion of main gasbag. After putting into the hole with the pre-buried fastener of concrete, the main gasbag of inflation can support the steel column bottom plate for inside the steel column bottom plate is difficult for being absorbed in the concrete. Therefore, workers do not need to hold the concrete embedded fasteners, and the construction efficiency can be improved to a certain degree. After the concrete in the hole is dried, the air in the main air bag is exhausted, and a cavity is formed in the concrete. And then pouring concrete into the cavity through the pouring opening so as to fill the cavity. And after the concrete in the cavity is dried, continuously pouring the concrete into the hole, and enabling the top surface of the steel column bottom plate to be submerged. Concrete after so drying can carry out effectively spacingly to concrete embedded fastener for concrete embedded fastener can be connected with the concrete is firm.
Preferably, a plurality of adjusting assemblies are arranged on the bottom surface of the steel column bottom plate, and the adjusting assemblies are uniformly distributed around the main airbag; the adjusting assembly comprises an auxiliary air bag fixedly arranged on the steel column bottom plate and an inflating device used for inflating the auxiliary air bag; when the steel column bottom plate inclines to one side, the inflating device on the side inflates the auxiliary air bag on the same side.
Through above-mentioned technical scheme, when putting into the hole with concrete embedded fastener, rag bolt and horizontal stiffener slowly sink into the concrete. In the process, if the steel column bottom plate inclines, the inflating device on the inclined side inflates the auxiliary air bags on the same side, so that the auxiliary air bags on the same side are inflated. The auxiliary air bag of the inclined side can support the steel column bottom plate, so that the inclination of the steel column bottom plate can be slowed down or even restored. The construction of the concrete embedded fastener becomes more convenient and faster.
Preferably, the inflation device comprises an inflation tube and a piston, the inflation tube is communicated with the auxiliary air bag through an air tube, the piston is arranged at the bottom of the inflation tube, and the piston is connected with the inflation tube in a sliding manner.
Through above-mentioned technical scheme, at the in-process that rag bolt slowly sinks the concrete, the concrete can enter into the gas tube to promote the piston upwards to move. During the upward movement of the piston, the air in the inflation tube can be flushed into the auxiliary air bag, so that the auxiliary air bag is expanded. The auxiliary air bag after the inflation can support the steel column bottom plate together with the main air bag, so that the steel column bottom plate is not easy to sink into concrete. When the steel column bottom plate inclines to one side, the piston on the inclined side moves upwards in an accelerating mode to control the auxiliary air bag on the same side to expand rapidly, and therefore the inclination of the steel column bottom plate can be relieved and even recovered. The construction of the concrete embedded fastener becomes more convenient and faster
Preferably, a one-way air valve is arranged in an air pipe for connecting the inflation pipe and the auxiliary air bag, and the one-way air valve can control air to flow from one side of the inflation pipe to one side of the auxiliary air bag only.
Through above-mentioned technical scheme for be provided with one-way pneumatic valve in the trachea of connecting gas tube and supplementary gasbag, the air among the supplementary gasbag is difficult for entering into the gas tube so, and supplementary gasbag's volume is difficult for reducing at the submerged in-process of rag bolt, so supplementary gasbag can carry out comparatively effectual support to the steel column bottom plate, makes the steel column bottom plate be difficult for submerging in the concrete.
Preferably, the inner wall of the inflation tube is provided with a guide groove, the guide groove is arranged along the axial direction of the inflation tube, the side wall of the piston is provided with a guide block, and the guide block is connected in the guide groove in a sliding manner.
Through above-mentioned technical scheme, the guide way can be used for restricting the removal of piston with the guide block cooperation for circumferential direction is difficult for appearing in the piston.
Preferably, a one-way feeding mechanism is arranged between the inflation tube and the piston, and the one-way feeding mechanism can control the piston to move only from the bottom of the inflation tube to the top of the inflation tube.
Through above-mentioned technical scheme, be provided with one-way feed mechanism between gas tube and the piston, so the piston is difficult for sliding downwards at rag bolt sunken in-process, and the air in so the piston can effectively pour into the auxiliary airbag with the air in the gas tube for support the steel column bottom plate.
Preferably, a plurality of positioning grooves are formed in the inner wall of the inflation tube, and the positioning grooves are uniformly distributed along the axial direction of the inflation tube;
the side wall of the piston is provided with an installation groove, and the installation groove is arranged along the radial direction of the piston;
one-way feed mechanism is including setting gradually at inside supporting spring and the wedge of mounting groove, supporting spring's one end with the interior cell wall of mounting groove is fixed continuous, supporting spring's the other end with the lateral wall of wedge is fixed continuous, supporting spring is used for with the one end of wedge is pushed out the mounting groove, the wedge face orientation of wedge steel column bottom plate one side, the wedge face of wedge be used for with the notch border of mounting groove is inconsistent.
Through above-mentioned technical scheme, when the mounting groove is relative left and right sides with the constant head tank, supporting spring passes through elasticity and pushes the wedge inside the constant head tank. At the moment, the bottom side wall of the wedge-shaped block is tightly propped against the bottom inner groove wall of the positioning groove to limit the piston to move downwards. When the piston need continue the rebound, the notch border accessible wedge of mounting groove extrudees the wedge for inside the wedge was accomodate to the mounting groove, can not lead to the fact the hindrance to shifting up of piston.
Preferably, a plurality of reinforcing ribs are arranged on the outer wall of the main airbag.
Through above-mentioned technical scheme, the outer wall department of main gasbag is provided with a plurality of strengthening ribs, can promote the intensity of main gasbag on the one hand for the main gasbag is difficult damaged, and on the other hand can form the recess in the inner wall department of cavity, strengthens the joint strength with follow-up concrete.
Preferably, a first threaded hole is formed in the steel column base plate in a penetrating mode, the main airbag comprises a first connecting seat and a first airbag, the first connecting seat is connected into the first threaded hole in a threaded mode, the first airbag is fixedly connected to the bottom of the first connecting seat, and the top of the first connecting seat protrudes out of the top surface of the steel column base plate;
the steel column base plate is provided with a second threaded hole in a penetrating mode, the auxiliary air bag comprises a second connecting seat and a second air bag, the second connecting seat is connected into the second threaded hole in a threaded mode, the second air bag is fixedly connected to the bottom of the second connecting seat, and the top of the second connecting seat protrudes out of the top face of the steel column base plate.
Through the technical scheme, after the concrete is hardened, the main air bag can be taken down from the steel column bottom plate through the first rotating connecting seat, and the auxiliary air bag can be taken down from the steel column bottom plate through the second rotating connecting seat. So set up, main gasbag and supplementary gasbag of repeatedly usable on the one hand, reduction in production cost, debris in the on the other hand can get rid of the concrete promotes the intensity of concrete.
The second purpose of the invention is to provide a construction method of the concrete embedded fastener, which has the advantages of convenience and rapidness in construction.
The technical scheme of the invention is as follows: a construction method of a concrete embedded fastener comprises the following steps:
the method comprises the following steps: a hole is formed in the ground by using a tool;
step two: cleaning the inner wall of the hole;
step three: pouring concrete into the holes;
step four: inflating the main airbag by using an external air source so as to expand the main airbag;
step five: placing the concrete embedded fastener into the hole;
step six: after the concrete in the hole is dried, the air in the main air bag and the auxiliary air bag is emptied;
step seven: rotating the first connecting seat to take the main airbag down from the steel column bottom plate;
step eight: rotating the second connecting seat to take the auxiliary air bag off the steel column bottom plate;
step nine: pouring concrete into the pouring opening, the threaded hole I and the threaded hole II;
step ten: and after the concrete in the pouring opening, the threaded hole I and the threaded hole II is dried, continuously pouring the concrete into the hole until the concrete submerges the top surface of the steel column base plate.
Through above-mentioned technical scheme, whole in-process need not the workman to hold the position of concrete embedded fastener in order to keep concrete embedded fastener, has the advantage that the construction is comparatively convenient, swift.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
fig. 2 is an enlarged view of a portion a of fig. 1.
Reference numerals: 1. a steel column bottom plate; 2. anchor bolts; 3. a transverse stiffener; 4. an external gas source; 5. a main airbag; 51. a first connecting seat; 52. a first air bag; 6. a pouring opening; 7. a plug; 8. an adjustment assembly; 81. an auxiliary air bag; 811. a second connecting seat; 812. a second air bag; 82. an inflator; 821. an inflation tube; 822. a piston; 9. a one-way air valve; 10. a guide groove; 11. a guide block; 12. a one-way feed mechanism; 121. a support spring; 122. a wedge block; 13. positioning a groove; 14. mounting grooves; 15. reinforcing ribs; 16. a first threaded hole; 17. and a second threaded hole.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
The first embodiment is as follows:
a concrete embedded fastener is shown in figures 1 and 2 and comprises a steel column base plate 1, foundation bolts 2 fixedly connected to the steel column base plate 1 and transverse reinforcing rods 3 fixedly connected to the bottoms of the foundation bolts 2. The foundation bolts 2 are perpendicular to the steel column base plate 1. The foundation bolt 2 runs through in the steel column bottom plate 1, and the part of foundation bolt 2 protrusion in 1 top of steel column bottom plate is shorter than the part of foundation bolt 2 protrusion in 1 bottom of steel column bottom plate. The transverse reinforcement bar 3 is perpendicular to the anchor bolts 2.
The top surface department of steel column bottom plate 1 is provided with outside air supply 4, and outside air supply 4 can select for use the air pump, and during the use, the accessible changes the mode of air pump and is used for realizing breathing in or blowing. The bottom of the steel column bottom plate 1 is provided with a main airbag 5, and the main airbag 5 is connected with an external air source 4 through an air pipe. When the external air source 4 inflates the main airbag 5, the main airbag 5 expands and can be used for supporting the steel column base plate 1.
A first threaded hole 16 is formed in the steel column base plate 1 in a penetrating mode. The primary airbag 5 includes a connecting seat 51 and an airbag 52. The first connecting seat 51 is screwed in the first threaded hole 16, and the top of the first connecting seat 51 protrudes out of the top surface of the steel column base plate 1 for connecting with an air pipe. An air hole is arranged in the first connecting seat 51 in a penetrating way, and the air hole is communicated with the first air bag 52. The air bag one 52 is fixedly connected to the bottom of the connecting seat one 51. A plurality of mutually staggered reinforcing ribs 15 are arranged on the outer wall of the first air bag 52.
An irrigation opening 6 is arranged on the steel column bottom plate 1 in a penetrating mode, and the irrigation opening 6 is located above the main air bag 5. A plug 7 is embedded in the pouring opening 6 for sealing the pouring opening 6.
The bottom surface of the steel column bottom plate 1 is provided with a plurality of adjusting components 8, and the adjusting components 8 are uniformly distributed around the main airbag 5. When the steel column base plate 1 inclines to one side, the adjusting component 8 on the inclined side can be used for supporting the steel column base plate 1, so that the inclination of the steel column base plate 1 can be relieved and even restored.
The adjusting assembly 8 includes an auxiliary air bag 81 and an inflator 82 to inflate the auxiliary air bag 81. And a second threaded hole 17 is formed in the steel column base plate 1 in a penetrating manner. The auxiliary air bag 81 includes a second connecting seat 811 and a second air bag 812. The second connecting seat 811 is in threaded connection with the second threaded hole 17, and the top of the second connecting seat 811 protrudes out of the top surface of the steel column base plate 1. An air hole is arranged in the second connecting seat 811 in a penetrating way, and a plug is embedded in the air hole. The second air bag 812 is fixedly connected to the bottom of the second connecting seat 811. The inflator 82 includes an inflator 821 and a piston 822. The air charging pipe 821 is fixedly connected to the bottom surface of the steel column bottom plate 1, and the air charging pipe 821 is perpendicular to the steel column bottom plate 1. The top of the inflation tube 821 is connected to the auxiliary air bag 81 through an air tube. A one-way air valve 9 is disposed in the air pipe connecting the air pipe 821 and the auxiliary air cells 81, and the one-way air valve 9 can control air to flow from only one side of the air pipe 821 to only one side 52 of the auxiliary air cells 81. The piston 822 is located at the bottom of the inflation tube 821, and the piston 822 is slidably connected to the inflation tube 821. When the piston 822 slides upward, air inside the inflation tube 821 may be pushed into the auxiliary bladder 81, so that the auxiliary bladder 81 is inflated.
The inner wall of the inflation tube 821 is provided with a guide groove 10, the guide groove 10 is arranged along the axial direction of the inflation tube 821, the side wall of the piston 822 is provided with a guide block 11, and the guide block 11 is connected in the guide groove 10 in a sliding manner. The guide groove 10 and the guide block 11 cooperate with each other to limit the circumferential rotation of the piston 822, so that the piston 822 is not easily worn.
A one-way feeding mechanism 12 is disposed between the inflation tube 821 and the piston 822, and the one-way feeding mechanism 12 can control the piston 822 to move only from the bottom of the inflation tube 821 to the top of the inflation tube 821.
A plurality of positioning grooves 13 are formed in the inner wall of the inflation tube 821, and the positioning grooves 13 are uniformly distributed along the axial direction of the inflation tube 821. The side wall of the piston 822 is opened with a mounting groove 14, the mounting groove 14 is disposed along the radial direction of the piston 822, and the mounting groove 14 is used for communicating with the positioning slot 13. The one-way feeding mechanism 12 includes a support spring 121 and a wedge block 122, which are sequentially disposed inside the mounting groove 14. One end of the supporting spring 121 is fixedly connected with the inner groove wall of the mounting groove 14, the other end of the supporting spring 121 is fixedly connected with the side wall of the wedge block 122, and when the supporting spring 121 is in a stress balance state, the end of the wedge block 122 protrudes out of the mounting groove 14. The wedge surface of the wedge block 122 is located on the end of the wedge block 122 away from the support spring 121 and faces the steel column base plate 1 side. The wedge surface of the wedge block 122 is used for abutting against the notch edge of the mounting groove 14.
Example two:
a construction method of a concrete embedded fastener comprises the following steps:
the method comprises the following steps: a hole is formed in the ground by using a tool;
step two: cleaning the inner wall of the hole by using a tool;
step three: pouring concrete into the hole, and controlling the top surface of the concrete to be lower than the ground;
step four: inflating the primary airbag 5 using an external gas source 4, such that the primary airbag 5 expands;
step five: placing the concrete embedded fastener into the hole, so that the bottom surface of the steel column base plate 1 is in contact with the concrete;
step six: after the concrete in the hole is dried, the air in the main air bag 5 and the auxiliary air bag is emptied, and a cavity is formed in the concrete;
step seven: rotating the first connecting seat 51 to take the main airbag 5 off the steel column bottom plate 1;
step eight: rotating the second connecting seat 811 to take the auxiliary air bag 81 off the steel column bottom plate 1;
step nine: pouring concrete into the pouring opening 6, the first threaded hole 16 and the second threaded hole 17 to fill the formed cavity;
step ten: and after the concrete in the pouring opening 6, the threaded hole I16 and the threaded hole II 17 is dried, continuously pouring the concrete into the hole until the concrete submerges the top surface of the steel column base plate 1, and after the concrete is completely dried, completing the construction of the concrete embedded fastener.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (10)
1. The utility model provides a pre-buried fastener of concrete, includes steel column bottom plate (1), fixed connection in rag bolt (2), fixed connection in of rag bolt (2) bottom horizontal stiffener (3), characterized by: the steel column base plate structure is characterized in that an external air source (4) is arranged on the top surface of the steel column base plate (1), a main air bag (5) is arranged on the bottom surface of the steel column base plate (1), the external air source (4) and the main air bag (5) are communicated with each other through an air pipe, a watering opening (6) penetrates through the steel column base plate (1), the watering opening (6) is located above the main air bag (5), and a plug (7) is embedded in the watering opening (6).
2. A concrete fastener according to claim 1, wherein: a plurality of adjusting assemblies (8) are arranged on the bottom surface of the steel column bottom plate (1), and the adjusting assemblies (8) are uniformly distributed around the main airbag (5); the adjusting assembly (8) comprises an auxiliary air bag (81) fixedly arranged on the steel column base plate (1) and an inflating device (82) used for inflating the auxiliary air bag (81); when the steel column bottom plate (1) inclines to one side, the inflating device (82) on the side inflates the auxiliary air bag (81) on the same side.
3. A concrete fastener according to claim 2, wherein: the inflation device (82) comprises an inflation tube (821) and a piston (822), the inflation tube (821) is communicated with the auxiliary air bag (81) through an air tube, the piston (822) is arranged at the bottom of the inflation tube (821), and the piston (822) is connected with the inflation tube (821) in a sliding mode.
4. A concrete fastener according to claim 3, wherein: a one-way air valve (9) is arranged in an air pipe for connecting the inflation pipe (821) and the auxiliary air bag (81), and the one-way air valve (9) can control air to flow from one side of the inflation pipe (821) to one side (52) of the auxiliary air bag (81).
5. A concrete fastener according to claim 3, wherein: guide way (10) have been seted up to the inner wall department of gas tube (821), guide way (10) along the axial setting of gas tube (821), the lateral wall department of piston (822) is provided with guide block (11), guide block (11) slide and connect in guide way (10).
6. A concrete fastener according to claim 3, wherein: a one-way feeding mechanism (12) is arranged between the inflation tube (821) and the piston (822), and the one-way feeding mechanism (12) can control the piston (822) to move from the bottom of the inflation tube (821) to the top of the inflation tube (821).
7. A concrete fastener according to claim 6, wherein: a plurality of positioning grooves (13) are formed in the inner wall of the inflation tube (821), and the positioning grooves (13) are uniformly distributed along the axial direction of the inflation tube (821);
a mounting groove (14) is formed in the side wall of the piston (822), and the mounting groove (14) is arranged along the radial direction of the piston (822);
one-way feed mechanism (12) is including setting gradually at inside supporting spring (121) of mounting groove (14) and wedge (122), the one end of supporting spring (121) with the interior cell wall of mounting groove (14) is fixed continuous, the other end of supporting spring (121) with the lateral wall of wedge (122) is fixed continuous, supporting spring (121) be used for with the one end of wedge (122) is pushed out mounting groove (14), the wedge face orientation of wedge (122) steel column bottom plate (1) one side, the wedge face of wedge (122) be used for with the notch border of mounting groove (14) is inconsistent.
8. A concrete fastener according to claim 1, wherein: the outer wall of the main airbag (5) is provided with a plurality of reinforcing ribs (15).
9. A concrete fastener according to claim 2, wherein: a first threaded hole (16) penetrates through the steel column base plate (1), the main airbag (5) comprises a first connecting seat (51) in threaded connection with the first threaded hole (16) and a first airbag (52) fixedly connected to the bottom of the first connecting seat (51), and the top of the first connecting seat (51) protrudes out of the top surface of the steel column base plate (1);
a second threaded hole (17) is formed in the steel column base plate (1) in a penetrating mode, the auxiliary air bag (81) comprises a second connecting seat (811) in the second threaded hole (17) and a second air bag (812) fixedly connected to the bottom of the second connecting seat (811), and the top of the second connecting seat (811) protrudes out of the top surface of the steel column base plate (1).
10. A construction method of a concrete embedded fastener is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: a hole is formed in the ground by using a tool;
step two: cleaning the inner wall of the hole;
step three: pouring concrete into the holes;
step four: inflating the primary airbag (5) using an external gas source (4) such that the primary airbag (5) expands;
step five: placing the concrete embedded fastener into the hole;
step six: after the concrete in the hole is dried, the air in the main air bag (5) and the auxiliary air bag is emptied;
step seven: rotating the first connecting seat (51) to take the main airbag (5) down from the steel column bottom plate (1);
step eight: rotating the second connecting seat (811) to take the auxiliary air bag (81) down from the steel column bottom plate (1);
step nine: pouring concrete into the pouring opening (6), the first threaded hole (16) and the second threaded hole (17);
step ten: and after the concrete in the pouring opening (6), the threaded hole I (16) and the threaded hole II (17) is dried, continuing pouring the concrete into the hole until the concrete is submerged on the top surface of the steel column bottom plate (1).
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| CN113756594B (en) | 2023-07-11 |
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