CN114892886A - Reinforced concrete beam convenient to adjust - Google Patents
Reinforced concrete beam convenient to adjust Download PDFInfo
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- CN114892886A CN114892886A CN202210584228.4A CN202210584228A CN114892886A CN 114892886 A CN114892886 A CN 114892886A CN 202210584228 A CN202210584228 A CN 202210584228A CN 114892886 A CN114892886 A CN 114892886A
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- precast beam
- connecting reinforcement
- installation sleeve
- fixed
- reinforced concrete
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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 utility model relates to a building engineering field discloses a reinforced concrete roof beam convenient to adjust, including the precast beam, the precast beam middle part is provided with a plurality of connecting reinforcement, is provided with a plurality of installation sleeves in the precast beam, and installation sleeve's one end extends to the precast beam outside and the opening sets up, and a plurality of connecting reinforcement can be dismantled slidable mounting along installation sleeve axis direction and at installation sleeve's open end, are provided with on the connecting reinforcement to be used for fixing self at the intraductal fixed subassembly of installation sleeve. This application has can be through adopting the mode of precast beam and the installation of connecting reinforcement components of a whole that can function independently transportation, has reduced connecting reinforcement and has received the collision in the transportation and lead to the condition that its position changes, reaches to improve and easily receives the collision in the transportation because of connecting reinforcement and takes place deformation and lead to installing additional the lower effect of reinforcing beam efficiency.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a reinforced concrete beam convenient to adjust.
Background
The reinforced concrete beam is a beam made of reinforced concrete material. The reinforced concrete beam can be made into an independent beam, a beam plate type floor system integrated with a 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 component in engineering structures such as house buildings, bridge buildings and the like, and has extremely wide application range.
At present, the reinforced concrete roof beam mostly adopts the form of precast beam, refer to fig. 1, prefabricate in the mill and make reinforced concrete roof beam, transport precast beam 1 to the job site and install on two support columns, when the distance is far away between two stands, middle part position department received stress is great in precast beam 1, consequently need install the bearing capacity that the stiffening beam is used for promoting precast beam 1 middle part at 1 middle part cross additional of precast beam. The reinforcing beam is a reinforced concrete cast-in-place beam, a plurality of U-shaped connecting steel bars 2 are pre-embedded in the middle of the precast beam 1 along the width direction of the precast beam, the two ends of each U-shaped connecting steel bar 2 are pre-embedded in the precast beam 1, and the bent parts of the connecting steel bars 2 are positioned outside the precast beam 1. Install precast beam 1 on two support columns earlier during the construction, install the steel reinforcement cage that a plurality of atress muscle and stirrup combination formed on a plurality of connecting reinforcement 2 along 1 length direction of perpendicular precast beam again, install the concrete baffle at the week side and the bottom of steel reinforcement cage and pour the concrete on the steel reinforcement cage at last to form the reinforcing beam.
To the correlation technique among the above-mentioned, the bending part of connecting reinforcement is located the precast beam outside, in the precast beam transportation, the connecting reinforcement that is located the precast beam outside easily receives the collision and leads to its position to take place to remove, this moment when the installation steel reinforcement cage, because the precast beam position takes place to remove and leads to being difficult to guarantee steel reinforcement cage cross perpendicular to precast beam after the installation of steel reinforcement cage, when the non-perpendicular to precast beam after the steel reinforcement cage installation, need dismantle the steel reinforcement cage and take off and through knocking, mode such as hammering is adjusted connecting reinforcement, install the steel reinforcement cage on the connecting reinforcement after adjusting again, thereby make steel reinforcement cage cross perpendicular to precast beam, the inventor thinks that there is the defect that it is lower to lead to installing additional reinforcing beam efficiency because of connecting reinforcement easily receives the collision to take place to deform in the transportation.
Disclosure of Invention
In order to improve and easily receive the collision in the transportation because of the connecting reinforcement and take place the lower problem of deformation and lead to installing additional strengthening beam efficiency, this application provides a reinforced concrete roof beam convenient to adjust.
The application provides a pair of reinforced concrete roof beam convenient to adjust adopts following technical scheme:
the utility model provides a reinforced concrete roof beam convenient to adjust, includes the precast beam, 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 the precast beam outside and the opening sets up, and is a plurality of sliding mounting can be dismantled at installation sleeve pipe's open end along installation sleeve pipe axis direction to connecting reinforcement, be provided with on the connecting reinforcement and be used for fixing self at the intraductal fixed subassembly of installation sleeve.
Through adopting above-mentioned technical scheme, in the work progress, install precast beam earlier on two support columns, it is intraductal to slide the insertion installation cover from installation sheathed tube open end respectively with a plurality of connecting reinforcement again, and after connecting reinforcement installation got into the installation sleeve, it was intraductal to use fixed subassembly to fix connecting reinforcement in the installation sleeve. So set up, adopt precast beam and the mode of connecting reinforcement components of a whole that can function independently transportation installation, separately transport precast beam and connecting reinforcement 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 reinforcing beam additional.
Preferably, fixed subassembly is including fixed cover and rotation piece, it is fixed to set up on the connecting reinforcement to rotate the piece, fixed cover rotates the cover and establishes on rotating the piece, fixed cover screw thread is installed in the installation cover pipe.
Through adopting above-mentioned technical scheme, when fixing the connecting reinforcement, insert the installation cover with the connecting reinforcement earlier in, the connecting reinforcement drives fixed cover through rotating and removes to installation sheathed tube open end, rotates fixed cover this moment, and fixed cover rotates and rotates the installation on rotating and get into in the installation cover to fix the connecting reinforcement fast.
Preferably, one end, far away from the precast beam, of the fixed sleeve is provided with a cover ring, and the cover ring abuts against the side wall of the opening end of the installation sleeve.
Through adopting above-mentioned technical scheme, when fixing the connecting reinforcement, the rotation lid ring drives fixed cover and rotates, and the in-process of fixed cover screw thread installation drives the lid ring and removes towards the installation sleeve pipe, when the lid ring removes and the butt is on the installation sleeve pipe, stops rotating the lid ring. So set up, carry on spacingly through the cover ring to installation cover threaded installation to fix a position connecting reinforcement's position, be in same horizontal position after being convenient for a plurality of connecting reinforcement installation.
Preferably, fixed subassembly still includes solid fixed ring, at least one joint rack and elastic component, gu fixed ring sets up on the connecting reinforcement, gu fixed ring butt is on the lateral wall that the mounting sleeve is close to the open end, the joint rack rotates and installs on solid fixed ring, just the joint rack slides and sets up in the mounting sleeve, the joint annular has been seted up on the inside wall of mounting sleeve, the elastic component is fixed to be set up on the connecting reinforcement, the elastic component is kept away from connecting reinforcement one end and is ordered about joint rack joint and fix in the joint annular with joint rack looks butt.
Through adopting above-mentioned technical scheme, when fixing connecting reinforcement, it is intraductal to insert the installation sleeve with connecting reinforcement, connecting reinforcement drives solid fixed ring and removes towards the installation sleeve, and gu fixed ring drives the joint rack and removes and get into in the installation sleeve, when solid fixed ring removes the butt on the lateral wall of installation sleeve open end, the elastic component orders about the joint rack and supports tightly in the joint annular to fixing connecting reinforcement, making connecting reinforcement fixed convenient and fast more.
Preferably, solid fixed ring thread bush is established on the connecting reinforcement, gu the one end that fixed ring is close to the precast beam is provided with the slip cap, the slip cap slides and sets up on the connecting reinforcement, just the elastic component is fixed to be set up on the slip cap.
Through adopting above-mentioned technical scheme, behind the connecting reinforcement fixed mounting, rotate two solid fixed rings on the connecting reinforcement simultaneously, gu fixed ring drives the joint rack at joint annular internal rotation, the elastic component on the slip cap supports the joint rack tightly in the joint annular, gu fixed ring rotates at this moment and drives the connecting reinforcement and slide in the slip cap, can adjust the connecting reinforcement along the installation sleeve axis direction, thereby the connecting reinforcement after being convenient for install is adjusted and is made a plurality of connecting reinforcement be in same horizontality.
Preferably, joint rack and elastic component all are provided with a plurality ofly, and are a plurality of joint rack equidistant encircles and sets up on solid fixed ring, and is a plurality of the elastic component equidistant encircles and sets up on the sliding sleeve, and is a plurality of elastic component and a plurality of joint rack one-to-one.
Through adopting above-mentioned technical scheme, when fixing the connecting reinforcement, joint rack joint is fixed in the joint annular under the effect of a plurality of elastic component jointly to a plurality of joint racks to fixed subassembly's fixed effect has been improved.
Preferably, be provided with a plurality of reinforcing bars in the precast beam, the strengthening rib set up and with a plurality of installation sleeve fixed connection along precast beam width direction, be provided with a plurality of reinforcement stirrups in the precast beam, just reinforcement stirrups and a plurality of reinforcing bar fixed connection.
Through adopting above-mentioned technical scheme, a plurality of reinforcing bars fix spacingly to the installation sleeve, and a plurality of reinforcement stirrup fix spacingly to a plurality of reinforcing bars, use a plurality of reinforcing bars and reinforcement stirrup to fix the installation sleeve to make the installation sleeve more stable in the precast beam.
Preferably, a through hole is formed in the side wall, close to the closed end, of the installation sleeve, and a material injection channel communicated with the through hole is formed in the precast beam.
Through adopting above-mentioned technical scheme, after the connecting reinforcement is fixed, pour into the concrete in the material passageway into from annotating, the concrete is intraductal through annotating material passageway flow direction through-hole and flowing in the installation cover from the through-hole, can pour into the concrete into in the installation cover through annotating material passageway and through-hole to connecting reinforcement after fixing carries out further fixed, has improved connecting reinforcement's steadiness.
Preferably, the two opposite side walls of the precast beam in the width direction of the precast beam are both formed with corrugated structures.
By adopting the technical scheme, the bending resistance and the torsion resistance of the precast beam are improved by the corrugated structure, so that the overall stability of the precast beam is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method has the advantages that the precast beam and the connecting steel bars are separately transported 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 in the construction site and are fixed by the fixing assembly, so that the situation that the positions of the connecting steel bars are changed due to collision in the transportation process is reduced, and the efficiency of installing the reinforcing beam by constructors is improved;
2. by adopting the cover ring, the cover ring limits the threaded installation of the installation sleeve, so that the positions of the connecting reinforcing steel bars are positioned, and the connecting reinforcing steel bars are conveniently positioned at the same horizontal position after being installed;
3. through adopting reinforcing bar and reinforcement stirrup, a plurality of reinforcing bar and reinforcement stirrup are fixed the 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 precast beam in the prior art;
fig. 2 is a schematic view of the overall structure of a reinforced concrete beam convenient to adjust in embodiment 1 of the present application;
fig. 3 is a partial structural view showing a fixing manner of the installation sleeve in a protruding manner in embodiment 1 of the present application;
FIG. 4 is a partial structural view of the fixing member shown in embodiment 1 of the present application;
FIG. 5 is an enlarged view of FIG. 4A of the present application;
FIG. 6 is a partial sectional view showing the structure of the injection passage in embodiment 1 of the present application;
FIG. 7 is a partial structural view showing a fixing member for highlighting in embodiment 2 of the present application;
fig. 8 is an enlarged schematic view of fig. 7 at B of the present application.
Description of reference numerals: 1. prefabricating a beam; 2. connecting reinforcing steel bars; 3. installing a sleeve; 4. a fixing assembly; 41. fixing a sleeve; 42. a rotating member; 43. a fixing ring; 44. clamping the rack; 45. an elastic member; 5. a cover ring; 6. clamping the sliding chute; 7. reinforcing steel bars; 8. reinforcing the stirrup; 9. a through hole; 10. a material injection channel; 11. a corrugated structure; 12. a sliding sleeve; 13. a containing groove.
Detailed Description
The present application is described in further detail below with reference to figures 2-8.
The embodiment of the application discloses reinforced concrete roof beam convenient to adjust.
Example 1:
referring to fig. 2 and 3, a reinforced concrete roof beam convenient to adjust includes precast beam 1, reserves on the roof at precast beam 1 middle part to have a storage tank 13 that is used for the holding reinforcing beam, and storage tank 13 sets up and both ends opening along 1 width direction of precast beam, and middle part position department is pre-buried in precast beam 1 has eight installation sleeve 3, and eight installation sleeve 3 divide into four groups along 1 width direction of precast beam equidistant, and every installation sleeve 3 of group is two, and two installation sleeve 3 set up along 1 length direction interval of precast beam. One end of the installation sleeve 3 is positioned in the precast beam 1, the end part of the installation sleeve is closed, the other end of the installation sleeve 3 penetrates through the precast beam 1 and is positioned in the accommodating groove 13, and the end part of the installation sleeve 3, which is positioned in the accommodating groove 13, is opened.
Referring to fig. 3 and 4, precast beam 1 is located storage tank 13 and locates to install four U type connecting reinforcement 2, and slidable mounting can be dismantled respectively at four sets of installing sleeve 3 in the both ends of four connecting reinforcement 2, and fixed subassembly 4 is all installed at the both ends of connecting reinforcement 2, and fixed subassembly 4 fixed mounting is in installing sleeve 3. During construction, the precast beam 1 is firstly installed on two support columns, then the four connecting steel bars 2 are respectively inserted into the four groups of installation sleeves 3 in a sliding mode, and finally the connecting steel bars 2 are fixed in the installation sleeves 3 through the fixing assemblies 4. After the reinforcing steel bars 2 are fixedly connected, the reinforcing cage of the reinforcing beam is fixedly installed on the four connecting steel bars 2, the concrete baffle plates are installed on the periphery and the bottom of the reinforcing cage, and concrete is poured on the reinforcing cage, so that the reinforcing beam is formed. Adopt the mode of precast beam 1 and the installation of the components of a whole that can function independently of connecting reinforcement 2 transportation, separately transport precast beam 1 and connecting reinforcement 2 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's efficiency of installing the reinforcing beam additional has been improved.
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 this application, the rotating member 42 can be selected as a bearing, and the rotating member 42 drives the fixing sleeve 41 to rotate. Fixed cover 41 is installed in installation sleeve 3, and fixed cover 41 and installation sleeve 3 screw-thread fit, and fixed cover 41 keeps away from fixed mounting on the lateral wall of installation sleeve 3 one end and has a lid ring 5, and lid ring 5 slip cover is established on connecting reinforcement 2, and lid ring 5 removes the butt at the open end of installation sleeve 3. Connecting reinforcement 2 drives fixed cover 41 through rotating a 42 and removes in the installation, fixed cover 41 removes when installing sleeve 3's opening end department, rotate two lid rings 5 on connecting reinforcement 2 simultaneously, lid ring 5 drives fixed cover 41 and rotates on rotating a 42, fixed cover 41 rotates in-process screw thread installation and gets into installing sleeve 3, drive lid ring 5 when fixed cover 41 screw thread removes and remove, when lid ring 5 removes and butt installing sleeve 3, can fix quick-connect reinforcement 2 in installing sleeve 3. Carry on spacingly through the mounted position of lid ring 5 to the installation cover to fix a position the position of connecting reinforcement 2, be in same horizontal position after being convenient for a plurality of connecting reinforcement 2 installation.
Referring to fig. 3, the middle position department is pre-buried to have four strengthening steel bars 7 in precast beam 1, and strengthening steel bars 7 installs along precast beam 1's width direction, and strengthening steel bars 7 is stranded along precast beam 1 width direction and four installation sleeve 3 and pricks fixedly, and two liang of a set of one side of fixing keeping away from each other at eight installation sleeve 3 are tied up respectively to four strengthening steel bars 7. Five reinforcement stirrups 8 are pre-buried in middle part position department in precast beam 1, and five reinforcement stirrups 8 are installed along 1 width direction of precast beam equidistant, and every reinforcement stirrup 8 all is stranded fixedly with four reinforcing bar 7. The installation sleeve 3 is fixed using a plurality of reinforcing 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 each mounting sleeve 3 near the closed end, an injection channel 10 communicated with the through hole 9 is reserved in each precast beam 1, two injection channels 10 communicated with each two mounting sleeves 3 are converged and communicated at one end near the accommodating groove 13 to form an injection channel 10, and one end, far away from the through hole 9, of each converged and communicated injection channel 10 is communicated with the accommodating groove 13. After connecting reinforcement 2 is fixed, pour into the concrete into in the one end of annotating material passageway 10 and storage tank 13 intercommunication, the concrete flows to through-hole 9 and flows into installation sleeve 3 from through-hole 9 through annotating material passageway 10 in, the concrete further fixes connecting reinforcement 2 after fixing in installation sleeve 3 after solidifying to connecting reinforcement 2's steadiness has been improved.
Referring to fig. 2, the precast beam 1 is formed with corrugated structure 11 along the opposite side walls of self width direction, and corrugated structure 11 is a plurality of trapezoidal evagination strengthening ribs, and a plurality of trapezoidal evagination strengthening ribs are along 1 length direction equidistant setting of precast beam, and a plurality of trapezoidal evagination strengthening ribs and precast beam 1 integrated into one piece pour the shaping. The corrugated structure 11 improves bending resistance and torsion resistance of the precast beam 1, thereby improving overall stability of the precast beam 1.
The implementation principle of the embodiment 1 of the application is as follows: during the construction, install precast beam 1 on two support columns earlier, again with four connecting reinforcement 2 respectively sliding insertion four group's installation sleeve 3 in, connecting reinforcement 2 drives fixed cover 41 through rotating piece 42 and removes in the installation, fixed cover 41 removes when installing sleeve 3's opening end department, rotate two lid rings 5 on the connecting reinforcement 2 simultaneously, lid ring 5 drives fixed cover 41 and rotates on rotating piece 42, fixed cover 41 rotates in-process screw thread installation and gets into installation sleeve 3, drive lid ring 5 and remove when fixed cover 41 screw thread removal, when lid ring 5 removes and butt installation sleeve 3, can fix quick-connect reinforcement 2 in installation sleeve 3. Adopt the mode of precast beam 1 and the installation of the components of a whole that can function independently of connecting reinforcement 2 transportation, separately transport precast beam 1 and connecting reinforcement 2 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's efficiency of installing the reinforcing beam additional has been improved.
Example 2:
referring to fig. 7 and 8, the present 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 installed on the connecting steel bar 2 and abuts against the installation sleeve 3, the fixing ring 43 is fixedly installed on the side wall close to the installation sleeve 3 with the sliding sleeve 12, the sliding sleeve 12 is sleeved on the connecting steel bar 2, and the four elastic members 45 are fixedly installed on the outer side wall of the sliding sleeve 12 in an equidistant manner. Four clamping racks 44 are arranged on the fixing ring 43 in an encircling manner at equal intervals and hinged with the fixing ring 43, and one end, far away from the sliding sleeve 12, of the elastic piece 45 is fixedly connected with the clamping racks 44. The clamping ring groove is formed in the inner side wall of the installation sleeve 3, the clamping rack 44 is slidably installed in the installation sleeve 3 along the axis direction of the installation 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 reinforcement 2, insert the installing sleeve 3 with connecting reinforcement 2 in, connecting reinforcement 2 drives solid fixed ring 43 and removes towards installing sleeve 3, gu fixed ring 43 drives joint rack 44 and removes and get into installing sleeve 3 in, when solid fixed ring 43 removes the butt when installing sleeve 3, elastic component 45 orders about joint rack 44 and supports tightly in the joint annular to fixing connecting reinforcement 2, make connecting reinforcement 2 fixed convenient and fast more.
The inner side wall of the fixing ring 43 is in threaded fit with the outer side wall of the connecting steel bar 2. After 2 fixed mounting of coupling bar, rotate two solid fixed rings 43 on the coupling bar 2 simultaneously, gu fixed ring 43 drives joint rack 44 at joint annular internal rotation, elastic component 45 on the sliding sleeve 12 supports joint rack 44 tightly in the joint annular, gu fixed ring 43 rotates and drives coupling bar 2 and slide in sliding sleeve 12 this moment, can adjust coupling bar 2 along 3 axis directions of mounting sleeve, thereby the coupling bar 2 after being convenient for install is adjusted and is made a plurality of coupling bar 2 be in same horizontality.
The implementation principle of embodiment 2 of the present application is as follows: when fixing connecting reinforcement 2, insert connecting reinforcement 2 in the installing sleeve 3, connecting reinforcement 2 drives solid fixed ring 43 and removes towards installing sleeve 3, gu fixed ring 43 drives joint rack 44 and removes and get into installing sleeve 3 in, when solid fixed ring 43 removes the butt when the lateral wall at the 3 open ends of installing sleeve, elastic component 45 orders about joint rack 44 and supports tightly in the joint annular, thereby fix connecting reinforcement 2, make connecting reinforcement 2 fixed convenient and fast more.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a reinforced concrete roof beam convenient to adjust, includes precast beam (1), precast beam (1) middle part is provided with a plurality of connecting reinforcement (2), its characterized in that: be provided with a plurality of installation sleeve pipes (3) in precast beam (1), the one end of installation sleeve pipe (3) extends to precast beam (1) and the opening sets up, and is a plurality of slidable mounting can be dismantled along installation sleeve pipe (3) axis direction in the open end of installation sleeve pipe (3) in connecting reinforcement (2), be provided with on connecting reinforcement (2) and be used for fixing self fixed subassembly (4) in installation sleeve pipe (3).
2. A reinforced concrete beam facilitating adjustment according to claim 1, wherein: fixed subassembly (4) are including fixed cover (41) and rotation piece (42), it sets up on connecting reinforcement (2) to rotate piece (42) fixed, fixed cover (41) rotate the cover and establish on rotating piece (42), fixed cover (41) screw thread is installed in installation sleeve (3).
3. A reinforced concrete beam facilitating adjustment according to claim 2, wherein: the fixed sleeve (41) is far away from one end of the precast beam (1) and 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).
4. A reinforced concrete beam facilitating adjustment according to claim 1, wherein: fixed subassembly (4) still include solid fixed ring (43), at least one joint rack (44) and elastic component (45), gu fixed ring (43) sets up on connecting reinforcement (2), gu fixed ring (43) butt is close to the lateral wall of open end at installation sleeve (3), joint rack (44) are rotated and are installed on solid fixed ring (43), just joint rack (44) slide and set up in installation sleeve (3), the joint annular has been seted up on the inside wall of installation sleeve (3), elastic component (45) are fixed to be set up on connecting reinforcement (2), elastic component (45) are kept away from connecting reinforcement (2) one end and joint rack (44) looks butt and are ordered about joint rack (44) joint and fix in the joint annular.
5. A reinforced concrete beam facilitating adjustment according to claim 4, wherein: solid fixed ring (43) threaded sleeve establishes on connecting reinforcement (2), solid fixed ring (43) is close to the one end of precast beam (1) and is provided with sliding sleeve (12), sliding sleeve (12) slide to be set up on connecting reinforcement (2), just elastic component (45) are fixed to be set up on sliding sleeve (12).
6. A reinforced concrete beam facilitating adjustment according to claim 5, wherein: joint rack (44) and elastic component (45) all are provided with a plurality ofly, and are a plurality of joint rack (44) equidistant encircles and sets up on solid fixed ring (43), and is a plurality of elastic component (45) equidistant encircles and sets up on sliding sleeve (12), and is a plurality of elastic component (45) and a plurality of joint rack (44) one-to-one.
7. A reinforced concrete beam facilitating adjustment according to claim 1, wherein: be provided with a plurality of reinforcing bars (7) in precast beam (1), the strengthening rib along precast beam (1) width direction setting and with a plurality of installation sleeve (3) fixed connection, be provided with a plurality of reinforcement stirrup (8) in precast beam (1), just reinforcement stirrup (8) and a plurality of reinforcing bar (7) fixed connection.
8. A reinforced concrete beam facilitating adjustment according to claim 1, wherein: the side wall of the installation 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).
9. A reinforced concrete beam facilitating adjustment according to claim 1, wherein: corrugated structures (11) are formed on two opposite side walls of the precast beam (1) in the width direction of the precast beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210584228.4A CN114892886B (en) | 2022-05-27 | 2022-05-27 | Reinforced concrete beam convenient to adjust |
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| CN202210584228.4A CN114892886B (en) | 2022-05-27 | 2022-05-27 | Reinforced concrete beam convenient to adjust |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117107955A (en) * | 2023-10-18 | 2023-11-24 | 中铁建工集团有限公司 | Beam wall integrated structure and decoration construction method thereof |
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| 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 |
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| 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 |
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| CN117107955A (en) * | 2023-10-18 | 2023-11-24 | 中铁建工集团有限公司 | Beam wall integrated structure and decoration construction method thereof |
| 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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