CN109736576B - Accurate positioner of reserved reinforcing bar is connected in cast-in-place layer of building and prefabricated layer grout - Google Patents
Accurate positioner of reserved reinforcing bar is connected in cast-in-place layer of building and prefabricated layer grout Download PDFInfo
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- CN109736576B CN109736576B CN201811499818.7A CN201811499818A CN109736576B CN 109736576 B CN109736576 B CN 109736576B CN 201811499818 A CN201811499818 A CN 201811499818A CN 109736576 B CN109736576 B CN 109736576B
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Abstract
The invention provides an accurate positioning device for connecting a reserved steel bar in grouting of a cast-in-place layer and a prefabricated layer of a building, which comprises a fixing frame and an auxiliary positioning box sleeved on the reserved steel bar; the fixing frame is provided with a plurality of detachable cross beams, a positioning sleeve support is fixed on each cross beam, a positioning sleeve is arranged at the end part of each positioning sleeve support, and a fixing screw used for fixing a reserved steel bar penetrating into the positioning sleeve is arranged on each positioning sleeve; the auxiliary box upper end opening in location, the bottom is equipped with a through-hole, and the through-hole edge is equipped with two arc shell fragment in towards the auxiliary box in location, and the reservation reinforcing bar passes the through-hole, and two shell fragments make the auxiliary box in location fix on the reservation reinforcing bar, and the reason flushes with the reference surface of pouring the floor on the auxiliary box in location. The invention can fix and position the reserved steel bar before pouring, and finely adjust the position of the reserved steel bar with little error after pouring through the matching of the positioning auxiliary box and the wedge block, thereby ensuring that the reserved steel bar is accurately inserted into the reserved sleeve and realizing accurate assembly.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an accurate positioning device for connecting reserved steel bars between a cast-in-place layer and a prefabricated layer of a building in a grouting manner.
Background
With the development of modern industrial technology, building houses can be made in batches and sets using fabricated structures as in machine production. The prefabricated house components are transported to a construction site to be assembled. The cast-in-place operation on site is greatly reduced. In some cases, however, a hybrid construction design is required, the lower floors of the building are cast-in-place and the upper floors are fabricated, and the prefabricated components and the pouring layer are fixed at the conversion and connection layer of the two structures. The fixed structure and the mode of the prefabricated part and the pouring layer are usually that a reserved steel bar is reserved above the pouring layer, a sleeve is reserved on the prefabricated part, the reserved steel bar is inserted into the sleeve, then grouting pouring is carried out, and finally the reserved steel bar and the prefabricated part are fixedly connected together. The positions of the reserved steel bars and the reserved sleeves on the precast slabs are required to be in one-to-one correspondence, the position requirements are very accurate, and otherwise, the preformed steel bars and the preformed slabs cannot be installed in a matched mode. In addition, the length of the reserved steel bars also has design requirements. At present, the accurate positioning of the reserved steel bars in the pouring process is a great problem.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the accurate positioning device for the grouting connection reserved steel bars of the cast-in-place layer and the prefabricated layer of the building, which can accurately position and finely adjust the positions of the reserved steel bars.
The invention adopts the following technical scheme that the accurate positioning device for connecting the reserved steel bars in grouting of a cast-in-place layer and a prefabricated layer of a building comprises a fixing frame which can be fixed with a pouring wall template and a positioning auxiliary box which is sleeved on the reserved steel bars; the fixing frame is provided with a plurality of detachable cross beams, a positioning sleeve support is fixed on each cross beam, a positioning sleeve is arranged at the end part of each positioning sleeve support, and a fixing screw used for fixing a reserved steel bar penetrating into the positioning sleeve is arranged on each positioning sleeve; the auxiliary box of location upper end opening, the bottom is equipped with a through-hole, and the through-hole edge is equipped with two arc shell fragment towards in the auxiliary box of location, and the reservation reinforcing bar passes the through-hole, and two shell fragment extrusion make the auxiliary box of location fix on the reservation reinforcing bar on the surface of reservation reinforcing bar, and the reason flushes with the reference surface of pouring the floor on the auxiliary box of location.
Further, still include one and can put into the location and be used for finely tuning the voussoir of reserving the reinforcing bar position in the supplementary box, the voussoir includes a voussoir main part that can laminate with the supplementary box inner surface in location, slide in the voussoir main part and be equipped with a ejector pad, the reinforcing bar is reserved to the ejector pad orientation, has a gap between ejector pad and the voussoir main part, can insert a clamping piece in the gap, and the thickness of clamping piece is followed one end and is grown gradually to the another side.
Furthermore, two U-shaped openings facing the reserved steel bars are formed in the wedge block main body, two protruding blocks matched with the U-shaped openings are arranged on two sides of the push block, and the two protruding blocks can slide in the U-shaped openings respectively.
Furthermore, chamfers are machined on the edges of the wedge block main body and the push block on the two sides of the gap.
Furthermore, the two ends of the cross beam are connected with the fixing frame through the connecting plates and the U-shaped clamps, and the positioning sleeve support is connected with the cross beam through the connecting plates and the U-shaped clamps.
During the use, according to the design requirement with crossbeam and position sleeve support fixed position adjustment for position sleeve's position is the same with reservation reinforcing bar design position, waits to pour the template of wall body and builds the completion after, fixes a position according to the design requirement and adopts modes such as welding or bolted connection with the mount to be fixed in the last mouthful of template. And sleeving the positioning auxiliary box on the reserved steel bars, enabling the openings to be upward, placing the reserved steel bars into a space to be poured, which is surrounded by the template, and inserting the end parts of the reserved steel bars into the positioning sleeves and fixing the positioning sleeves. And adjusting the height of the positioning auxiliary box to enable the upper edge of the positioning auxiliary box to be flush with the surface reference surface of the precast floor slab. And concrete is prevented from being poured into the positioning auxiliary box during pouring, or the positioning auxiliary box is filled with the filler before pouring, and the filler is taken out after pouring. After the concrete is solidified, the positioning auxiliary box is poured in the concrete, the fixing frame is detached, the position of the reserved steel bar is measured, if the position has deviation, the wedge block is placed in the corresponding position in the positioning auxiliary box, the clamping piece with the proper length is driven in, and the position of the reserved steel bar is adjusted to the specific direction by utilizing the push block until the design requirement is met.
The invention has the beneficial effects that: the invention can fix and position the reserved steel bar before pouring, and finely adjust the position of the reserved steel bar with little error after pouring through the matching of the positioning auxiliary box and the wedge block, thereby ensuring that the reserved steel bar is accurately inserted into the reserved sleeve and realizing accurate assembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a fixing frame;
FIG. 2 is a schematic structural view of the reserved steel bars after being positioned;
FIG. 3 is a schematic view of a structure of a positioning auxiliary box and a reserved steel bar;
FIG. 4 is a schematic view of the mating structure of the wedge and the positioning auxiliary box.
Shown in the figure: 1. the device comprises a fixing frame, 2, reserved steel bars, 3, a positioning auxiliary box, 4, a cross beam, 5, a positioning sleeve support, 6, a positioning sleeve, 7, a fixing screw, 8, a through hole, 9, an elastic sheet, 10, a wedge block, 11, a wedge block main body, 12, a push block, 13, a U-shaped opening, 14, a convex block, 15, a gap, 16, a clamping sheet, 17 and a datum plane for pouring a floor slab.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The accurate positioning device for the grouting connection reserved steel bars of the cast-in-place layer and the prefabricated layer of the building as shown in the figures 1 to 4 comprises a fixing frame 1 which can be fixed with a pouring wall template and a positioning auxiliary box 3 which is sleeved on the reserved steel bars 2; a plurality of detachable cross beams 4 are fixed on the fixing frame 1 through connecting plates and U-shaped hoops, positioning sleeve supports 5 are fixed on the cross beams 4 through the connecting plates and the U-shaped hoops, positioning sleeves 6 are arranged at the end parts of the positioning sleeve supports 5, the hole diameters of the positioning sleeves 6 and the hole diameters of the reserved sleeves are the same, and fixing screws 7 used for fixing the reserved steel bars 2 penetrating into the positioning sleeves 6 are arranged on the positioning sleeves 6; the auxiliary positioning box 3 is cylindrical and has an upper end opening, a through hole 8 is formed in the bottom of the auxiliary positioning box, two arc-shaped elastic sheets 9 facing the inside of the auxiliary positioning box 3 are arranged at the edges of the through hole 8, the reserved steel bars 2 penetrate through the through hole, the two elastic sheets 9 are extruded on the surface of the reserved steel bars 2 to enable the auxiliary positioning box 3 to be fixed on the reserved steel bars 2, and the upper edge of the auxiliary positioning box 3 is flush with a datum plane 17 of a poured floor slab.
The positioning auxiliary box is characterized by further comprising a wedge block 10 which can be placed into the positioning auxiliary box 3 and used for finely adjusting the position of the reserved steel bar 2, wherein the wedge block 10 comprises a wedge block main body 11 which can be attached to the inner surface of the positioning auxiliary box 3, a push block 12 is arranged on the wedge block main body 11 in a sliding mode, and the push block 12 faces the reserved steel bar 2. Two U-shaped openings 13 facing the reserved steel bars 2 are formed in the wedge block main body 11, two protruding blocks 14 matched with the U-shaped openings 13 are arranged on two sides of the push block 12, and the two protruding blocks 14 can slide in the U-shaped openings 13 respectively. A gap 15 is arranged between the push block 12 and the wedge block body 11, a clamping piece 16 can be inserted into the gap 15, and the thickness of the clamping piece 16 is gradually increased from one end to the other end. The edges of the wedge body 11 and the push block 12 on both sides of the slot 15 are chamfered to facilitate insertion of the clip 16. After the clip 16 is inserted into the slit 15, the pushing block 12 is pushed toward the reinforcing bar 2 and is pressed. The wedge 10 can be adjusted in angle within 360 ° in the positioning aid box 3 according to the direction to be adjusted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. An accurate positioning device for connecting a reserved steel bar in grouting of a cast-in-place layer and a prefabricated layer of a building is characterized by comprising a fixing frame capable of being fixed with a pouring wall template and a positioning auxiliary box sleeved on the reserved steel bar; the fixing frame is provided with a plurality of detachable cross beams, a positioning sleeve support is fixed on each cross beam, a positioning sleeve is arranged at the end part of each positioning sleeve support, and a fixing screw used for fixing a reserved steel bar penetrating into the positioning sleeve is arranged on each positioning sleeve; the upper end of the positioning auxiliary box is open, the bottom of the positioning auxiliary box is provided with a through hole, the edge of the through hole is provided with two arc-shaped elastic sheets facing the positioning auxiliary box, the reserved steel bar penetrates through the through hole, the two elastic sheets extrude the surface of the reserved steel bar to enable the positioning auxiliary box to be fixed on the reserved steel bar, and the upper edge of the positioning auxiliary box is flush with the datum plane of the poured floor slab; still include one and put into the location in the supplementary box of location and be used for finely tuning the voussoir of reserving the reinforcing bar position, the voussoir includes a voussoir main part that can laminate with the supplementary box inner surface in location, slide on the voussoir main part and be equipped with a ejector pad, the reinforcing bar is reserved to the ejector pad orientation, has a gap between ejector pad and the voussoir main part, can insert a clamping piece in the gap, and the thickness of clamping piece is followed one end and is grown gradually to the other end.
2. The accurate positioning device for the reserved steel bars according to claim 1, which is characterized in that: the wedge block main body is provided with two U-shaped openings facing the reserved steel bars, two sides of the push block are provided with two convex blocks matched with the U-shaped openings, and the two convex blocks can slide in the U-shaped openings respectively.
3. The accurate positioning device for the reserved steel bars according to claim 1, which is characterized in that: and chamfers are processed on the wedge block main bodies on the two sides of the gap and the edges of the push block.
4. The accurate positioning device for the reserved steel bars according to claim 1, which is characterized in that: the two ends of the beam are connected with the fixing frame through the connecting plate and the U-shaped clamp, and the positioning sleeve support is connected with the beam through the connecting plate and the U-shaped clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499818.7A CN109736576B (en) | 2018-12-09 | 2018-12-09 | Accurate positioner of reserved reinforcing bar is connected in cast-in-place layer of building and prefabricated layer grout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499818.7A CN109736576B (en) | 2018-12-09 | 2018-12-09 | Accurate positioner of reserved reinforcing bar is connected in cast-in-place layer of building and prefabricated layer grout |
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| Publication Number | Publication Date |
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| CN109736576A CN109736576A (en) | 2019-05-10 |
| CN109736576B true CN109736576B (en) | 2021-06-08 |
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| CN201811499818.7A Active CN109736576B (en) | 2018-12-09 | 2018-12-09 | Accurate positioner of reserved reinforcing bar is connected in cast-in-place layer of building and prefabricated layer grout |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905117B (en) * | 2019-12-06 | 2021-09-24 | 山东平安建筑工业化科技有限公司 | Precast concrete wallboard |
| CN112563964A (en) * | 2020-12-14 | 2021-03-26 | 山西二建集团有限公司 | Electric line pipe accurate positioning method based on die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201771111U (en) * | 2010-03-04 | 2011-03-23 | 中冶实久建设有限公司 | Reinforced negative reinforcement cover controller |
| CN205668849U (en) * | 2016-06-21 | 2016-11-02 | 浙江屹立电梯有限公司 | The gradual elevator safety tong of self-balancing |
| CN206205455U (en) * | 2016-11-23 | 2017-05-31 | 苏涛 | A kind of construction centre mounted type pours leveling unit |
| CN207048339U (en) * | 2017-04-01 | 2018-02-27 | 中国水利水电第八工程局有限公司 | The means for correcting of the longitudinally connected reinforcing bar of precast shear wall |
| CN208184073U (en) * | 2018-09-05 | 2018-12-04 | 山西二建集团有限公司 | Fabricated construction embedded bar controller |
-
2018
- 2018-12-09 CN CN201811499818.7A patent/CN109736576B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201771111U (en) * | 2010-03-04 | 2011-03-23 | 中冶实久建设有限公司 | Reinforced negative reinforcement cover controller |
| CN205668849U (en) * | 2016-06-21 | 2016-11-02 | 浙江屹立电梯有限公司 | The gradual elevator safety tong of self-balancing |
| CN206205455U (en) * | 2016-11-23 | 2017-05-31 | 苏涛 | A kind of construction centre mounted type pours leveling unit |
| CN207048339U (en) * | 2017-04-01 | 2018-02-27 | 中国水利水电第八工程局有限公司 | The means for correcting of the longitudinally connected reinforcing bar of precast shear wall |
| CN208184073U (en) * | 2018-09-05 | 2018-12-04 | 山西二建集团有限公司 | Fabricated construction embedded bar controller |
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