CN114892886B - Reinforced concrete beam convenient to adjust - Google Patents
Reinforced concrete beam convenient to adjust Download PDFInfo
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- CN114892886B CN114892886B CN202210584228.4A CN202210584228A CN114892886B CN 114892886 B CN114892886 B CN 114892886B CN 202210584228 A CN202210584228 A CN 202210584228A CN 114892886 B CN114892886 B CN 114892886B
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- sleeve
- precast beam
- fixing
- connecting steel
- reinforced concrete
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
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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 application relates to the field of constructional engineering and discloses a reinforced concrete beam convenient to adjust, which comprises a precast beam, wherein a plurality of connecting reinforcements are arranged in the middle of the precast beam, a plurality of mounting sleeves are arranged in the precast beam, one ends of the mounting sleeves extend out of the precast beam and are arranged in an opening way, the plurality of connecting reinforcements are detachably and slidably arranged at the opening ends of the mounting sleeves along the axis direction of the mounting sleeves, and fixing assemblies used for fixing the connecting reinforcements in the mounting sleeves are arranged on the connecting reinforcements. The application can reduce the situation that the positions of the connecting bars are changed due to collision in the transportation process by adopting a mode of separately transporting and installing the precast beams and the connecting bars, and achieves the effect of improving the lower efficiency of installing the reinforcing beams due to the fact that the connecting bars are easy to deform due to collision in the transportation process.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a reinforced concrete beam convenient to adjust.
Background
Reinforced concrete beams are beams made of reinforced concrete materials. The reinforced concrete beam can be made into an independent beam, a beam slab type floor system integrated with the reinforced concrete slab, or a single-layer or multi-layer frame integrated with the reinforced concrete column. The reinforced concrete beam has various forms, is the most basic bearing member in engineering structures such as house buildings, bridge buildings and the like, and has extremely wide application range.
At present, reinforced concrete beams are mostly in the form of precast beams, referring to fig. 1, precast reinforced concrete beams are prefabricated in factories, precast beams 1 are transported to a construction site and installed on two support columns, when the distance between two upright columns is far, the middle position in the precast beams 1 is stressed greatly, so that reinforcing beams are required to be additionally installed in the middle of the precast beams 1 in a crisscross manner to improve the bearing capacity of the middle of the precast beams 1. The reinforcing beam is a reinforced concrete cast-in-place beam, a plurality of U-shaped connecting steel bars 2 are embedded in the middle of the precast beam 1 along the width direction of the precast beam, two ends of the U-shaped connecting steel bars 2 are embedded in the precast beam 1, and the bending parts of the connecting steel bars 2 are positioned outside the precast beam 1. When in construction, the precast beam 1 is firstly arranged on two support columns, then a steel reinforcement cage formed by combining a plurality of stressed bars and stirrups along the length direction of the vertical precast beam 1 is arranged on a plurality of connecting steel bars 2, and finally, the concrete baffle is arranged on the periphery and the bottom of the steel reinforcement cage and concrete is poured on the steel reinforcement cage, so that the reinforced beam is formed.
According to the related art, the bending part of the connecting steel bar is positioned outside the precast beam, the connecting steel bar positioned outside the precast beam is easy to collide to cause the position of the connecting steel bar to move in the transportation process of the precast beam, at the moment, when the steel bar cage is installed, the position of the precast beam moves to cause that the steel bar cage is difficult to ensure that the steel bar cage is crossed and perpendicular to the precast beam after being installed, when the steel bar cage is not perpendicular to the precast beam after being installed, the steel bar cage is required to be detached and removed, the connecting steel bar is regulated in the modes of knocking, hammering and the like, and then the steel bar cage is installed on the regulated connecting steel bar, so that the steel bar cage is easy to be installed and perpendicular to the precast beam due to the fact that the connecting steel bar is deformed in the transportation process, the inventor considers that the defect of easy installation of the reinforcing beam is low in efficiency.
Disclosure of Invention
In order to solve the problem that the efficiency of adding the reinforcing beam is low due to the fact that the connecting steel bars are easy to collide and deform in the transportation process, the application provides the reinforced concrete beam convenient to adjust.
The reinforced concrete beam convenient to adjust provided by the application adopts the following technical scheme:
the utility model provides a reinforced concrete roof beam convenient to adjust, includes the precast beam, and the precast beam middle part is provided with a plurality of connecting reinforcement, be provided with a plurality of installation sleeve pipes in the precast beam, installation sleeve pipe's one end extends to outside the precast beam and the opening sets up, and is a plurality of connecting reinforcement can dismantle slidable mounting at installation sleeve pipe's open end along installation sleeve pipe axis direction, be provided with on the connecting reinforcement and be used for fixing the fixed subassembly in installation sleeve pipe with oneself.
Through adopting above-mentioned technical scheme, in the work progress, install precast beam on two support columns earlier, with a plurality of connecting bars respectively follow installation sheathed tube open end slip insertion installation intraductal, after the connecting bar installation got into the installation sleeve, use fixed subassembly to fix the connecting bar in the installation sleeve. So set up, adopt precast beam and connecting reinforcement components of a whole that can function independently transportation installation's mode, transport precast beam and connecting reinforcement separately in the transportation, install connecting reinforcement in precast beam at the job site, reduced the connecting reinforcement and received the condition that the collision leads to its position to change in the transportation to constructor installs the efficiency of strengthening the roof beam additional.
Preferably, the fixing assembly comprises a fixing sleeve and a rotating piece, the rotating piece is fixedly arranged on the connecting steel bar, the fixing sleeve is rotationally sleeved on the rotating piece, and the fixing sleeve is installed in the installation sleeve in a threaded mode.
Through adopting above-mentioned technical scheme, when fixing connecting reinforcement, insert the installation intraductal connecting reinforcement earlier, connecting reinforcement drives fixed cover through the rotation piece and removes to installation sheathed tube open end, rotates fixed cover this moment, and fixed cover rotates on rotating the piece and rotates and install and get into the installation intraductal to fix connecting reinforcement fast.
Preferably, a cover ring is arranged at one end of the fixing sleeve, which is far away from the precast beam, and the cover ring is abutted on the side wall of the opening end of the mounting sleeve.
Through adopting above-mentioned technical scheme, when fixing the connecting reinforcement, rotate the fixed cover of lid ring drive and rotate, fixed cover screw thread installation's in-process drive lid ring and remove towards the installation sleeve, when lid ring removal and butt on the installation sleeve, stop rotating the lid ring. So set up, carry out spacingly through the cover ring to installation cover screw thread installation to fix a position the position of connecting reinforcement, be in same horizontal position after being convenient for a plurality of connecting reinforcement installations.
Preferably, the fixing assembly further comprises a fixing ring, at least one clamping rack and an elastic piece, the fixing ring is arranged on the connecting steel bar, the fixing ring is abutted on the side wall, close to the opening end, of the mounting sleeve, the clamping rack is rotatably mounted on the fixing ring, the clamping rack is slidably arranged in the mounting sleeve, a clamping ring groove is formed in the inner side wall of the mounting sleeve, the elastic piece is fixedly arranged on the connecting steel bar, and one end, far away from the connecting steel bar, of the elastic piece is abutted against the clamping rack and drives the clamping rack to be clamped and fixed in the clamping ring groove.
Through adopting above-mentioned technical scheme, when fixing connecting bar, insert the installation intraductal with connecting bar, connecting bar drives solid fixed ring towards the installation sleeve pipe and removes, gu fixed ring drives the joint rack and removes into the installation sleeve pipe, and when gu fixed ring removes the butt on the lateral wall of installation sleeve pipe open end, the elastic component drives the joint rack and supports tightly in the joint annular to fix connecting bar, make connecting bar fixed more convenient and fast.
Preferably, the fixed ring thread bush is arranged on the connecting steel bar, a sliding sleeve is arranged at one end of the fixed ring, which is close to the precast beam, and the sliding sleeve is arranged on the connecting steel bar in a sliding manner, and the elastic piece is fixedly arranged on the sliding sleeve.
Through adopting above-mentioned technical scheme, after connecting the reinforcing bar fixed mounting, rotate two solid fixed rings on the connecting the reinforcing bar simultaneously, gu fixed ring drives joint rack and rotates in the joint annular, and the elastic component on the slip cap supports the joint rack tightly in the joint annular, and gu fixed ring rotates at this moment and drives the connecting the reinforcing bar and slide in the slip cap, can adjust the connecting the reinforcing bar along installation sleeve axis direction to the connecting the reinforcing bar after the installation of being convenient for is adjusted and is made a plurality of connecting the reinforcing bars be in same horizontality.
Preferably, the clamping racks and the elastic pieces are all provided with a plurality of clamping racks, the clamping racks are equidistantly arranged on the fixed ring in a surrounding mode, the elastic pieces are arranged on the sliding sleeve in a surrounding mode at equal intervals, and the elastic pieces correspond to the clamping racks one by one.
Through adopting above-mentioned technical scheme, when fixing the connecting reinforcement, a plurality of joint racks joint is fixed in the joint annular under the effect of a plurality of elastic component jointly to the fixed effect of fixed subassembly has been improved.
Preferably, a plurality of reinforcing steel bars are arranged in the precast beam, the reinforcing steel bars are arranged along the width direction of the precast beam and are fixedly connected with a plurality of mounting sleeves, a plurality of reinforcing stirrups are arranged in the precast beam, and the reinforcing stirrups are fixedly connected with a plurality of reinforcing steel bars.
Through adopting above-mentioned technical scheme, a plurality of reinforcing bars fix spacing to the installation sleeve pipe, and a plurality of reinforcing bars fix spacing to a plurality of reinforcing bars, use a plurality of reinforcing bars and reinforcing bars to fix the installation sleeve pipe to make the installation sleeve pipe more stable in the precast beam.
Preferably, the side wall of the mounting sleeve close to the closed end is provided with a through hole, and the precast beam is provided with a material injection channel communicated with the through hole.
Through adopting above-mentioned technical scheme, after the connecting reinforcement is fixed, from annotating the intraductal injection concrete of material passageway, the concrete flows into the installation sleeve through annotating material passageway flow direction through-hole and follow through-hole department in, can be to the intraductal injection concrete of installation sleeve through annotating material passageway and through-hole to further fix the connecting reinforcement after fixing, improved the steadiness of connecting reinforcement.
Preferably, the corrugated structures are formed on two opposite side walls of the precast beam along the width direction of the precast beam.
By adopting the technical scheme, the corrugated structure improves the bending resistance and the torsion resistance of the precast beam, thereby improving the overall stability of the precast beam.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the precast beam and the connecting steel bars are transported separately in the transportation process by adopting the split transportation and installation mode of the precast beam and the connecting steel bars, the connecting steel bars are installed in the precast beam at the construction site and fixed by using the fixing assembly, the condition that the positions of the connecting steel bars are changed due to collision in the transportation process is reduced, and therefore the efficiency of installing the reinforcing beam by constructors is improved;
2. the cover ring is adopted to limit the threaded installation of the installation sleeve, so that the positions of the connecting reinforcements are positioned, and a plurality of connecting reinforcements are conveniently positioned at the same horizontal position after being installed;
3. through adopting reinforcing bar and reinforcing stirrup, a plurality of reinforcing bars and reinforcing stirrup are fixed installation sleeve to make the installation sleeve more stable in the precast beam.
Drawings
FIG. 1 is a schematic view of the overall structure of a prior art precast beam;
fig. 2 is a schematic view showing the overall structure of a reinforced concrete beam which is convenient to adjust in embodiment 1 of the present application;
FIG. 3 is a schematic view showing a part of the structure of the mounting sleeve in the embodiment 1 of the present application;
FIG. 4 is a schematic view showing a part of the structure of the fixing assembly in an embodiment 1 of the present application;
FIG. 5 is an enlarged schematic view of the application at A in FIG. 4;
FIG. 6 is a partial sectional view showing the material injecting passage in a protruding manner in embodiment 1 of the present application;
FIG. 7 is a schematic view showing a part of the structure of a fixing member in an embodiment 2 of the present application;
fig. 8 is an enlarged schematic view of the application at B in fig. 7.
Reference numerals illustrate: 1. prefabricating a beam; 2. connecting steel bars; 3. installing a sleeve; 4. a fixing assembly; 41. a fixed sleeve; 42. a rotating member; 43. a fixing ring; 44. the rack is clamped; 45. an elastic member; 5. a cover ring; 6. the clamping chute; 7. reinforcing steel bars; 8. reinforcing stirrups; 9. a through hole; 10. a material injection channel; 11. a corrugated structure; 12. a sliding sleeve; 13. and a containing groove.
Detailed Description
The application is described in further detail below with reference to fig. 2-8.
The embodiment of the application discloses a reinforced concrete beam convenient to adjust.
Example 1:
referring to fig. 2 and 3, a reinforced concrete beam convenient to adjust includes precast beam 1, reserve on the roof at precast beam 1 middle part and be used for holding the storage tank 13 of strengthening the roof beam, storage tank 13 sets up and both ends opening along precast beam 1 width direction, and the middle part position department is pre-buried in precast beam 1 has eight installation sleeve pipes 3, and eight installation sleeve pipes 3 divide into four groups along precast beam 1 width direction equidistant, and every installation sleeve pipe 3 of group is two, and two installation sleeve pipes 3 set up along precast beam 1 length direction interval. One end of the mounting sleeve 3 is positioned in the precast beam 1, the end is closed, the other end of the mounting sleeve 3 passes through the precast beam 1 and is positioned in the accommodating groove 13, and the end opening of the mounting sleeve 3 positioned in the accommodating groove 13 is arranged.
Referring to fig. 3 and 4, four U-shaped connection bars 2 are installed at the position of the precast beam 1 in the accommodating groove 13, two ends of the four connection bars 2 are detachably and slidably installed in the four groups of installation sleeves 3 respectively, fixing assemblies 4 are installed at two ends of the connection bars 2, and the fixing assemblies 4 are fixedly installed in the installation sleeves 3. During construction, the precast beam 1 is firstly installed on two support columns, then four connecting steel bars 2 are respectively inserted into four groups of installation sleeves 3 in a sliding mode, and finally the connecting steel bars 2 are fixed in the installation sleeves 3 by using the fixing assemblies 4. And after the steel bars 2 are fixedly connected, the steel bar cages of the reinforcing beam are fixedly arranged on the four connecting steel bars 2, and the concrete baffle plates are arranged on the periphery and the bottom of the steel bar cages and concrete is poured on the steel bar cages, so that the reinforcing beam is formed. Adopt precast beam 1 and connecting reinforcement 2 components of a whole that can function independently transportation installation's mode, transport precast beam 1 and connecting reinforcement 2 separately in the transportation, install connecting reinforcement 2 in precast beam 1 at the job site, reduced connecting reinforcement 2 and received the condition that the collision leads to its position to change in the transportation to constructor installs the efficiency of strengthening the roof beam additional.
Referring to fig. 4 and 5, the fixing assembly 4 includes a fixing sleeve 41 and a rotating member 42, the rotating member 42 is fixedly sleeved on the connecting steel bar 2, the fixing sleeve 41 is fixedly installed on the rotating member 42, in the present application, the rotating member 42 may be a bearing, and the rotating member 42 drives the fixing sleeve 41 to rotate. The fixed sleeve 41 is installed in the installation sleeve 3, and fixed sleeve 41 and installation sleeve 3 screw-thread fit, fixed mounting has lid ring 5 on the lateral wall of installation sleeve 3 one end is kept away from to fixed sleeve 41, and lid ring 5 slip cap is established on connecting reinforcement 2, and lid ring 5 removes the butt at the open end of installation sleeve 3. The connecting steel bar 2 drives the fixed cover 41 through the rotation piece 42 to move in the installation process, and when the fixed cover 41 moves to the opening end of the installation sleeve 3, simultaneously rotates two cover rings 5 on the connecting steel bar 2, and the cover rings 5 drive the fixed cover 41 to rotate on the rotation piece 42, and the screw thread installation of the fixed cover 41 enters the installation sleeve 3 in the rotation process, drives the cover rings 5 to move when the screw thread of the fixed cover 41 moves, and when the cover rings 5 move and butt the installation sleeve 3, the quick connecting steel bar 2 can be fixed in the installation sleeve 3. The mounting position of the mounting sleeve is limited through the cover ring 5, so that the positions of the connecting steel bars 2 are positioned, and a plurality of connecting steel bars 2 are conveniently mounted and then positioned at the same horizontal position.
Referring to fig. 3, four reinforcing steel bars 7 are pre-buried in the middle position in the precast beam 1, the reinforcing steel bars 7 are installed along the width direction of the precast beam 1, the reinforcing steel bars 7 are stranded and fixed with four installation sleeves 3 along the width direction of the precast beam 1, and the four reinforcing steel bars 7 are respectively bound and fixed on one side, far away from each other, of eight installation sleeves 3 in pairs. Five reinforcing stirrups 8 are pre-buried in middle part position department in the precast beam 1, and five reinforcing stirrups 8 are equidistant along precast beam 1 width direction installation, and every reinforcing stirrup 8 all is stranded with four reinforcing bars 7 and is fixed. The installation sleeve 3 is fixed by using a plurality of reinforcing steel bars 7 and reinforcing stirrups 8, so that the installation sleeve 3 is more stable in the precast beam 1.
Referring to fig. 4 and 6, a through hole 9 is formed in the side wall of the mounting sleeve 3 near the closed end, a material injection channel 10 communicated with the through hole 9 is reserved in the precast beam 1, two material injection channels 10 communicated with each group of two mounting sleeves 3 are converged and communicated into one material injection channel 10 near one end of the accommodating groove 13, and one end, far away from the through hole 9, of the converged and communicated material injection channel 10 is communicated with the accommodating groove 13. After the connecting steel bar 2 is fixed, concrete is injected into one end communicated with the accommodating groove 13 from the material injection channel 10, flows to the through hole 9 from the material injection channel 10 and flows into the mounting sleeve 3 from the through hole 9, and the fixed connecting steel bar 2 is further fixed after the concrete is solidified in the mounting sleeve 3, so that the stability of the connecting steel bar 2 is improved.
Referring to fig. 2, corrugated structures 11 are formed on two opposite side walls of the precast beam 1 along the width direction of the precast beam, the corrugated structures 11 are a plurality of trapezoid convex reinforcing ribs, the trapezoid convex reinforcing ribs are arranged at equal intervals along the length direction of the precast beam 1, and the trapezoid convex reinforcing ribs and the precast beam 1 are integrally cast. The corrugation 11 improves the bending and torsion resistance of the precast beam 1, thereby improving the overall stability of the precast beam 1.
The implementation principle of the embodiment 1 of the application is as follows: when the construction, install precast beam 1 on two support columns earlier, in inserting four connecting reinforcement 2 respectively sliding into four sets of installation sleeve 3, connecting reinforcement 2 moves through rotating piece 42 drive fixed cover 41 in the installation, when fixed cover 41 moves to the open end department of installation sleeve 3, two apron 5 on the connecting reinforcement 2 rotate simultaneously, the apron 5 drives fixed cover 41 and rotates on rotating piece 42, screw thread installation gets into installation sleeve 3 in the fixed cover 41 rotation process, drive apron 5 and remove when fixed cover 41 screw thread removes, when apron 5 removes and butt installation sleeve 3, can fix quick connect reinforcement 2 in installation sleeve 3. Adopt precast beam 1 and connecting reinforcement 2 components of a whole that can function independently transportation installation's mode, transport precast beam 1 and connecting reinforcement 2 separately in the transportation, install connecting reinforcement 2 in precast beam 1 at the job site, reduced connecting reinforcement 2 and received the condition that the collision leads to its position to change in the transportation to constructor installs the efficiency of strengthening the roof beam additional.
Example 2:
referring to fig. 7 and 8, this embodiment is different from embodiment 1 in that the fixing assembly 4 includes a fixing ring 43, four clamping racks 44 and elastic members 45, the fixing ring 43 is mounted on the connecting steel bar 2 and is abutted against the mounting sleeve 3, the sliding sleeve 12 is fixedly mounted on the side wall of the fixing ring 43 close to the mounting sleeve 3, the sliding sleeve 12 is sleeved on the connecting steel bar 2, and the four elastic members 45 are fixedly mounted on the outer side wall of the sliding sleeve 12 at equal intervals. Four clamping racks 44 are equidistantly arranged on the fixed ring 43 in a surrounding mode and hinged to the fixed ring 43, and one end, away from the sliding sleeve 12, of the elastic piece 45 is fixedly connected with the clamping racks 44. The inner side wall of the mounting sleeve 3 is provided with a clamping ring groove, the clamping rack 44 is slidably mounted in the mounting sleeve 3 along the axis direction of the mounting sleeve 3, and the elastic piece 45 drives the clamping rack 44 to be clamped and fixed in the clamping ring groove. In the present application, the elastic member 45 may be a spring. When fixing connecting bar 2, insert connecting bar 2 in the installation sleeve 3, connecting bar 2 drives solid fixed ring 43 and removes towards installation sleeve 3, gu fixed ring 43 drives joint rack 44 and removes into installation sleeve 3, and when gu fixed ring 43 removes the butt at installation sleeve 3, elastic component 45 drives joint rack 44 and supports tightly in the joint annular to fix connecting bar 2, make connecting bar 2 fix convenient and fast more.
The inner side wall of the fixing ring 43 is in threaded engagement with the outer side wall of the connecting bar 2. After the connecting steel bars 2 are fixedly installed, two fixing rings 43 on the connecting steel bars 2 are rotated simultaneously, the fixing rings 43 drive clamping racks 44 to rotate in clamping ring grooves, elastic pieces 45 on the sliding sleeve 12 prop against the clamping racks 44 in the clamping ring grooves, at the moment, the fixing rings 43 rotate to drive the connecting steel bars 2 to slide in the sliding sleeve 12, and the connecting steel bars 2 can be adjusted along the axis direction of the installation sleeve 3, so that the connecting steel bars 2 after installation are convenient to adjust and a plurality of connecting steel bars 2 are in the same horizontal state.
The implementation principle of the embodiment 2 of the application is as follows: when fixing connecting bar 2, insert connecting bar 2 in the installation sleeve 3, connecting bar 2 drives solid fixed ring 43 and removes towards installation sleeve 3, gu fixed ring 43 drives joint rack 44 and removes into installation sleeve 3, and when gu fixed ring 43 removes the butt on the lateral wall of installation sleeve 3 open end, elastic component 45 order about joint rack 44 to support tightly in the joint annular to fix connecting bar 2, make connecting bar 2 fixed convenient and fast more.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. The utility model provides a reinforced concrete roof beam convenient to adjust, includes precast beam (1), and precast beam (1) middle part is provided with a plurality of connecting reinforcement (2), its characterized in that: a plurality of mounting sleeves (3) are arranged in the precast beam (1), one ends of the mounting sleeves (3) extend out of the precast beam (1) and are arranged in an opening mode, a plurality of connecting steel bars (2) are detachably and slidably arranged at the opening ends of the mounting sleeves (3) along the axis direction of the mounting sleeves (3), and fixing assemblies (4) used for fixing the connecting steel bars (2) in the mounting sleeves (3) are arranged on the connecting steel bars;
the fixing assembly (4) comprises a fixing sleeve (41) and a rotating piece (42), the rotating piece (42) is fixedly arranged on the connecting steel bar (2), the fixing sleeve (41) is rotationally sleeved on the rotating piece (42), the fixing sleeve (41) is installed in the installation sleeve (3) in a threaded mode, one end, far away from the precast beam (1), of the fixing sleeve (41) is provided with a cover ring (5), and the cover ring (5) is abutted to the side wall of the opening end of the installation sleeve (3).
2. The reinforced concrete beam of claim 1, wherein the beam is adjustable: the fixing assembly (4) further comprises a fixing ring (43), at least one clamping rack (44) and an elastic piece (45), the fixing ring (43) is arranged on the connecting steel bar (2), the fixing ring (43) is abutted to the side wall of the mounting sleeve (3) close to the opening end, the clamping rack (44) is rotatably mounted on the fixing ring (43), the clamping rack (44) is slidably arranged in the mounting sleeve (3), a clamping ring groove is formed in the inner side wall of the mounting sleeve (3), the elastic piece (45) is fixedly arranged on the connecting steel bar (2), and one end of the elastic piece (45) is far away from the connecting steel bar (2) and is abutted to the clamping rack (44) to drive the clamping rack (44) to be clamped and fixed in the clamping ring groove.
3. The reinforced concrete beam of claim 2, wherein the beam is adjustable: the fixing ring (43) is arranged on the connecting steel bar (2) in a threaded sleeve mode, a sliding sleeve (12) is arranged at one end, close to the precast beam (1), of the fixing ring (43), the sliding sleeve (12) is arranged on the connecting steel bar (2) in a sliding mode, and the elastic piece (45) is fixedly arranged on the sliding sleeve (12).
4. A reinforced concrete beam for easy adjustment according to claim 3, wherein: the clamping racks (44) and the elastic pieces (45) are arranged in a plurality, the clamping racks (44) are arranged on the fixed ring (43) in an equidistant surrounding mode, the elastic pieces (45) are arranged on the sliding sleeve (12) in an equidistant surrounding mode, and the elastic pieces (45) and the clamping racks (44) are in one-to-one correspondence.
5. The reinforced concrete beam of claim 1, wherein the beam is adjustable: be provided with a plurality of reinforcing bars (7) in precast beam (1), reinforcing bar (7) set up along precast beam (1) width direction and with a plurality of installation sleeve (3) fixed connection, be provided with a plurality of reinforcing stirrups (8) in precast beam (1), just reinforcing stirrups (8) and a plurality of reinforcing bars (7) fixed connection.
6. The reinforced concrete beam of claim 1, wherein the beam is adjustable: the side wall of the mounting sleeve (3) close to the closed end is provided with a through hole (9), and the precast beam (1) is provided with a material injection channel (10) communicated with the through hole (9).
7. The reinforced concrete beam of claim 1, wherein the beam is adjustable: corrugated structures (11) are formed on two opposite side walls of the precast beam (1) along the width direction of the precast beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584228.4A CN114892886B (en) | 2022-05-27 | 2022-05-27 | Reinforced concrete beam convenient to adjust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584228.4A CN114892886B (en) | 2022-05-27 | 2022-05-27 | Reinforced concrete beam convenient to adjust |
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| CN114892886A CN114892886A (en) | 2022-08-12 |
| CN114892886B true CN114892886B (en) | 2023-09-29 |
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| CN117107955B (en) * | 2023-10-18 | 2023-12-22 | 中铁建工集团有限公司 | Beam wall integrated structure and decoration construction method thereof |
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| EP2966232A1 (en) * | 2014-07-07 | 2016-01-13 | Fundacíon Tecnalia Research & Innovation | Dry joint joining device between columns and beams of precast reinforced concrete |
| CN105484430A (en) * | 2016-01-19 | 2016-04-13 | 山东中新绿色建筑科技有限公司 | Fabricated reinforcing steel bar connecting device for buildings and assembly method of connecting device |
| WO2017219920A1 (en) * | 2016-06-24 | 2017-12-28 | 东南大学 | Building based on large-space structure body and freestanding type external envelope structure, and construction method |
| CN207419694U (en) * | 2017-10-24 | 2018-05-29 | 广东精宏建设有限公司 | A kind of prefabricated bean column node |
| CN112049241A (en) * | 2020-09-01 | 2020-12-08 | 上海家树建筑工程有限公司 | Connecting structure for precast beam column and construction method thereof |
| CN214994968U (en) * | 2021-03-23 | 2021-12-03 | 浙江优爱德建筑科技有限责任公司 | U-shaped connecting assembly for disassembly-free composite heat-insulation template |
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