CN110424636B - Prefabricated building transfer floor reserved sleeve joint bar positioning device and construction method - Google Patents
Prefabricated building transfer floor reserved sleeve joint bar positioning device and construction method Download PDFInfo
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- CN110424636B CN110424636B CN201910691833.XA CN201910691833A CN110424636B CN 110424636 B CN110424636 B CN 110424636B CN 201910691833 A CN201910691833 A CN 201910691833A CN 110424636 B CN110424636 B CN 110424636B
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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
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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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
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Abstract
The invention discloses a reserved sleeve dowel bar positioning device for an assembled building transfer floor and a construction method, and belongs to the technical field of building construction. Including fixed skeleton and positioning mechanism, fixedly connected with floor thickness control piece on the fixed skeleton, positioning mechanism is located the top of fixed skeleton, positioning mechanism includes construction platform and clamping unit, the last regulating part that is equipped with of construction platform, construction platform passes through regulating part and floor thickness control piece accordant connection, clamping unit adjustable connection is on construction platform, clamping unit is used for pressing from both sides the tight section bar of reserving the sleeve pipe. The invention has simple structure, convenient operation, repeated use and construction cost saving, can be widely applied to positioning and fixing the reserved sleeve joint bars of the conversion layer, and effectively solves the problems that the upper prefabricated structure cannot be installed due to inaccurate positioning and difficult fixing of the sleeve joint bars and deformation and displacement generated during concrete pouring.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a reserved sleeve dowel positioning device for an assembly type building transfer floor and a construction method.
Background
In order to meet the requirement of the integral structure of the fabricated building, the vertical steel bars of the wallboard are connected by adopting sleeve grouting. The reserved dowel of the lower prefabricated part is inserted into the upper member sleeve during the construction of the standard layer, and the grouting connection is compact. When the transfer floor is constructed, the joint bars at the lower part need to be inserted into the cast-in-place beam and the slab, and the positioning and fixing difficulty is high. When concrete is poured, the dowel bars are easy to deform and deflect, so that the sleeve positions of the upper prefabricated components cannot correspond, and the components cannot be installed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a positioning device and a construction method for the dowel of the reserved sleeve of the prefabricated building conversion layer, which have the advantages of simple structure, convenience in operation, reusability, construction cost saving, wide application in positioning and fixing the dowel of the reserved sleeve of the conversion layer, and effective solution of the problems that the dowel of the sleeve is inaccurate in positioning and difficult to fix, and the prefabricated structure at the upper part cannot be installed due to deformation and deviation generated during concrete pouring.
In order to achieve the purpose, the invention adopts the following scheme:
prefabricated building conversion layer reserves sleeve pipe dowel bar positioner, including fixed skeleton and positioning mechanism, fixedly connected with floor thickness control piece on the fixed skeleton, positioning mechanism is located fixed skeleton's top, positioning mechanism includes construction platform and clamping unit, the last regulating part that is equipped with of construction platform, construction platform passes through regulating part and floor thickness control piece accordant connection, clamping unit adjustable connection is on construction platform, clamping unit is used for pressing from both sides the tight sleeve pipe dowel bar that reserves.
Furthermore, the regulating part is at least four, every all be equipped with two nuts that are located construction platform both sides respectively on the regulating part, the regulating part is through two nut control construction platform's height.
Further, the top of floor thickness control spare is equipped with the connecting piece, floor thickness control spare passes through the connecting piece and is connected with the regulating part, the connecting piece is big-end-up's round platform shape structure.
Furthermore, the construction platform is of a rectangular structure made of four angle steels, and the middle of the rectangular structure is arranged in a hollow mode.
Furthermore, the clamping unit comprises a sliding groove, an adjusting gasket, a positioning rod and a split bolt, wherein the sliding groove, the adjusting gasket, the positioning rod and the split bolt are respectively and oppositely arranged, the sliding groove is arranged on the construction platform, the adjusting gasket comprises a buckling part and a connecting part, the buckling part is integrally connected with the connecting part, waist holes are respectively arranged on the buckling part and the connecting part, the waist hole of the connecting part is superposed with the sliding groove, the buckling part is arranged on the inner side of the construction platform, the connecting part is arranged on the outer side of the construction platform, two end parts of the two positioning rods respectively extend into the waist holes of the corresponding buckling parts, one positioning rod is fixedly arranged, the other positioning rod is movably arranged, two ends of the two split bolts respectively penetrate through the sliding groove and are connected with the connecting part, one split bolt arranged on the inner side of the construction platform is provided with a winding pipe, the winding pipe rotates in the same direction as the nut of the split bolt, the winding pipe is connected with a connecting rope in a winding mode, and the connecting rope bypasses the fixedly arranged locating rod and is connected with the movably arranged locating rod.
Furthermore, two equal sliding connection has the locating piece on split bolt and two locating levers, is located a draw-in groove has all been seted up to a relative lateral wall of two locating pieces on the split bolt and a relative lateral wall of two locating pieces on being located the locating lever.
The invention also discloses a construction method of the prefabricated building transfer floor reserved sleeve dowel bar positioning device, which comprises the following steps of:
fixing a fixed framework and a main steel structure, and juxtaposing and leveling the fixed framework and the main steel structure to the levelness required by the design;
connecting the bottom of the adjusting piece with the top of the connecting piece, penetrating the top of the adjusting piece through the construction platform, and adjusting the two nuts to adjust the construction platform to be in a horizontal state;
assembling the two positioning rods with the positioning blocks into waist holes of buckling parts of the adjusting gaskets, buckling the buckling parts of the adjusting gaskets on the construction platform, and penetrating the two connecting parts and the two sliding grooves through the two split bolts with the positioning blocks;
adjusting each adjusting gasket to the position required by the design drawing, locking a split bolt positioned below the fixed positioning rod, connecting a connecting rope by winding a pipe on the other split bolt, and fixing the other end of the connecting rope on the movable positioning rod by winding the fixed positioning rod;
adjusting nuts of the split bolts, driving the winding pipes to rotate to wind the connecting ropes while screwing the nuts, driving the movable locating rods to transversely move by the connecting ropes, clamping the reserved sleeve joint bars to the positions required by the design drawing by using the locating rods and the locating blocks on the split bolts, and welding and fixing the reserved sleeve joint bars with the main steel structure;
sixthly, mounting the template on the outer side of the fixed framework, wherein the height of the template is flush with the top surface of the connecting piece, and pouring concrete;
and seventhly, when the strength of the concrete reaches a corresponding position, adjusting the nuts of the split bolts with the winding sleeves to separate the movable positioning rods from the reserved sleeve joint bars, then removing the template and the adjusting piece, and taking away the construction platform to finish construction.
Compared with the prior art, the invention can obtain the following technical effects:
1. the invention is provided with a clamping unit, the clamping unit comprises a sliding chute, two adjusting gaskets, a positioning rod and a split bolt, the adjusting gaskets comprise a buckling part and a connecting part, the buckling part and the connecting part are both provided with waist holes, one positioning rod is fixedly arranged with the buckling part, and the other positioning rod is movably arranged with the buckling part.
2. The construction platform is provided with the adjusting part with the two nuts and the floor thickness control part, the height and the levelness of the construction platform can be adjusted by utilizing the two nuts, the top of the floor thickness control part is connected with the connecting part, the thickness of the cast concrete is controlled by utilizing the floor thickness control part and the connecting part, and meanwhile, the middle part of the construction platform is hollow, so that the later-stage cast concrete and the clamping work of the reserved sleeve joint bars are facilitated. The connecting piece is a round platform-shaped structure with a large upper end and a small lower end, so that the connecting piece can be continuously recycled when being disassembled in the later period, and the construction cost is saved.
The invention has simple structure, convenient operation, repeated use and construction cost saving, can be widely applied to positioning and fixing the reserved sleeve joint bars of the conversion layer, and effectively solves the problems that the upper prefabricated structure cannot be installed due to inaccurate positioning and difficult fixing of the sleeve joint bars and deformation and displacement generated during concrete pouring.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a partial side view of the present invention;
FIG. 4 is a schematic view of the overall structure of the adjusting shim according to the present invention;
fig. 5 is a working condition diagram of the overall structure of the present invention.
In the figure: 1. fixing the framework; 2. a floor thickness control; 3. a construction platform; 4. a clamping unit; 5. an adjustment member; 6. a connecting member; 7. a chute; 8. adjusting the gasket; 9. positioning a rod; 10. oppositely pulling the bolts; 11. a buckle part; 12. a connecting portion; 13. a waist hole; 14. winding the pipe; 15. connecting ropes; 16. positioning blocks; 17. a clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in fig. 1-4, prefabricated building conversion layer reserves sleeve pipe dowel steel positioner, including fixed skeleton 1 and positioning mechanism, welded fastening has eight floor thickness controls 2 on the fixed skeleton 1, floor thickness controls 2's top is equipped with connecting piece 6, the top surface of concreting flushes with the top surface of connecting piece 6, but connecting piece 6 is convenient for dismantle reuse saving cost for the time of the big-end-up's round platform shape structure later stage form removal of being convenient for, and threaded hole has been seted up respectively to upper and lower end, connecting piece 6 passes through threaded connection at floor thickness controls 2's top.
Positioning mechanism is located the top of fixed skeleton 1, and positioning mechanism includes construction platform 3 and clamping unit 4, and construction platform 3 makes the rectangle structure of length 1000mm wide 200mm by four angle steel of 50 x 100 x 3mm, and the middle part of rectangle structure is hollow setting and is convenient for the later stage concreting. Be equipped with the regulating part 5 for full screw rod on the construction platform 3, regulating part 5 and connecting piece 6 all are equipped with eight, and construction platform 3 all is equipped with two nuts that are located construction platform 3 both sides respectively through regulating part 5 and 6 threaded connection of connecting piece at 2 tops of floor thickness control, on every regulating part 5, regulating part 5 is through the height of two nut control construction platform 3. The clamping unit 4 is adjustably connected to the construction platform 3, and the clamping unit 4 is used for clamping the reserved sleeve joint bars.
The clamping unit 4 comprises a sliding groove 7 with the length of 960mm and the width of 20mm, an adjusting gasket 8
The locating rod 9 made of steel bars has the diameter of
The split bolt 10, the sliding groove 7, the adjusting gasket 8, the locating rod 9 and the split bolt 10 are oppositely arranged, the sliding groove 7 is arranged on the construction platform 3, the adjusting gasket 8 comprises a buckling part 11 and a connecting part 12, the buckling part 11 is integrally connected with the connecting part 12, the buckling part 11 and the connecting part 12 are both provided with waist holes 13, wherein the waist hole 13 of the connecting part 12 is superposed with the sliding groove 7, the buckling part 11 is positioned on the inner side of the construction platform 3, the connecting part 12 is positioned on the outer side of the construction platform 3, two end parts of the two locating rods 9 respectively extend into the waist holes 13 of the corresponding buckling part 11, one locating rod 9 is fixedly arranged, the other locating rod 9 is movably arranged, two ends of the two split bolts 10 respectively penetrate through the sliding groove 7 and are connected with the connecting part 12, one split bolt 10 positioned on the inner side of the construction platform 3 is provided with a winding pipe 14, the winding pipe 14 rotates in the same direction, the winding pipe 14 is wound with a connecting rope 15, and the connecting rope 15 is connected with the movably arranged positioning rod 9 by winding the fixedly arranged positioning rod 9. When the adjusting gasket 8 is used, after the adjusting gasket is moved to a corresponding position, firstly the split bolt 10 which is not provided with the winding pipe 14 is fastened, then the nut of the split bolt 10 provided with the winding pipe 14 is adjusted to enable the winding pipe 14 to be wound with the connecting rope 15, and the connecting rope 15 drives the positioning rod 9 to move transversely so as to clamp the reserved sleeve joint bars.
For more stable tight embedded sleeve joint bar that presss from both sides, equal sliding connection has locating piece 16 on two split bolts 10 and two locating levers 9, and draw-in groove 17 has all been seted up to a relative lateral wall that is located two locating pieces 16 on the split bolt 10 and a relative lateral wall that is located two locating pieces 16 on the locating lever 9, utilizes draw-in groove 17 to press from both sides tight embedded sleeve joint bar.
Example 2:
as shown in fig. 5, the construction method of the device includes the following steps:
fixing a fixed framework 1 and a main steel structure, and juxtaposing and leveling the fixed framework and the main steel structure to the levelness required by the design so as to provide a levelness reference foundation for a construction platform 3;
step two, the bottom of the adjusting piece 5 is in threaded connection with the top of the connecting piece 6, the top of the adjusting piece 5 penetrates through the construction platform 3, the construction platform 3 is adjusted to be in a horizontal state by adjusting the two nuts, and the problem of the insertion angle of the reserved pipe sleeve dowel can be solved;
step three, assembling the two positioning rods 9 provided with the positioning blocks 16 into the waist holes 13 of the buckling parts 11 of the adjusting gaskets 8, ensuring that one positioning rod is fixed and the other positioning rod can horizontally move, buckling the buckling parts 11 of the adjusting gaskets 8 on the construction platform 3, and penetrating through the two connecting parts 12 and the two sliding grooves 7 through the two split bolts 10 provided with the positioning blocks 16 to complete the assembling work of the clamping unit 4;
step four, adjusting each adjusting shim 8 to the position required by the design drawing, then locking a split bolt 10 positioned below the fixed positioning rod 9, connecting a connecting rope 15 with a winding pipe 14 on the other split bolt 10, and fixing the other end of the connecting rope 15 on the movable positioning rod 9 by bypassing the fixed positioning rod 9;
fifthly, adjusting nuts of the split bolts 10, driving the winding pipes 14 to rotate to wind the connecting ropes 15 while screwing the nuts, driving the movable positioning rods 9 to transversely move by the connecting ropes 15, clamping the embedded sleeve joint bars to positions required by design drawings by using the positioning rods 9 and positioning blocks 16 on the split bolts 10, and welding and fixing the embedded sleeve joint bars with the main steel structure;
sixthly, installing the template on the outer side of the fixed framework 1, enabling the top surface of the template to be flush with the top surface of the connecting piece 6, and pouring concrete;
and seventhly, when the strength of the concrete reaches a corresponding position, adjusting the nuts of the split bolts 10 with the winding sleeves to separate the movable positioning rods 9 from the embedded sleeve joint bars, then removing the template and the adjusting piece 5, and taking away the construction platform 3 and the connecting piece 6 for subsequent repeated use, so that construction is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. Prefabricated building conversion layer reserves sleeve pipe dowel bar positioner, a serial communication port, including fixed skeleton (1) and positioning mechanism, fixedly connected with floor thickness control (2) are gone up in fixed skeleton (1), positioning mechanism is located the top of fixed skeleton (1), positioning mechanism includes construction platform (3) and clamping unit (4), be equipped with regulating part (5) on construction platform (3), construction platform (3) are through regulating part (5) and floor thickness control (2) accordant connection, clamping unit (4) adjustable connection is on construction platform (3), clamping unit (4) are used for pressing from both sides the tight sleeve pipe dowel bar that reserves.
2. The prefabricated building conversion layer reserved sleeve dowel positioning device is characterized in that the number of the adjusting pieces (5) is at least four, two nuts which are respectively positioned on two sides of the construction platform (3) are arranged on each adjusting piece (5), and the height of the construction platform (3) is controlled by the adjusting pieces (5) through the two nuts.
3. The prefabricated building conversion layer reserved sleeve dowel positioning device is characterized in that a connecting piece (6) is arranged at the top of the floor thickness control piece (2), the floor thickness control piece (2) is connected with the adjusting piece (5) through the connecting piece (6), and the connecting piece (6) is of a circular truncated cone-shaped structure with a large upper part and a small lower part.
4. The prefabricated building conversion layer reserved sleeve dowel positioning device of claim 3, wherein the construction platform (3) is of a rectangular structure made of four angle steels, and the middle part of the rectangular structure is arranged in a hollow mode.
5. The prefabricated building conversion layer reserved sleeve dowel positioning device according to claim 4, wherein the clamping unit (4) comprises two sliding grooves (7), two adjusting gaskets (8), two positioning rods (9) and two split bolts (10), the sliding grooves (7), the two adjusting gaskets (8), the two positioning rods (9) and the two split bolts (10) are arranged oppositely, the sliding grooves (7) are formed in the construction platform (3), each adjusting gasket (8) comprises a buckling part (11) and a connecting part (12), the buckling parts (11) are integrally connected with the connecting parts (12), the buckling parts (11) and the connecting parts (12) are respectively provided with a waist hole (13), the waist holes (13) of the connecting parts (12) are overlapped with the sliding grooves (7), the buckling parts (11) are positioned on the inner side of the construction platform (3), and the connecting parts (12) are positioned on the outer side of the construction platform (3), two in two tip of locating lever (9) extend to waist hole (13) of corresponding knot portion (11) respectively, one of them locating lever (9) set up for fixed, another locating lever (9) set up for the activity, two run through spout (7) respectively and be connected with connecting portion (12) to the both ends of stay bolt (10), one of them is located be equipped with on construction platform (3) inboard stay bolt (10) around pipe (14), around pipe (14) and the nut syntropy of stay bolt (10) rotate, the wiring has connection rope (15) on pipe (14), connection rope (15) are walked around fixed locating lever (9) that set up and are connected with locating lever (9) that the activity set up.
6. The prefabricated building conversion layer reserved sleeve dowel positioning device according to claim 5, wherein positioning blocks (16) are connected to the two split bolts (10) and the two positioning rods (9) in a sliding mode, and clamping grooves (17) are formed in the opposite side walls of the two positioning blocks (16) on the split bolts (10) and the opposite side walls of the two positioning blocks (16) on the positioning rods (9).
7. The construction method of the prefabricated building conversion layer reserved sleeve dowel positioning device according to claim 6, characterized by comprising the following steps of:
fixing a fixed framework (1) and a main steel structure, and juxtaposing and leveling to the levelness required by design;
step two, connecting the bottom of the adjusting piece (5) with the top of the connecting piece (6), penetrating the top of the adjusting piece (5) through the construction platform (3), and adjusting the two nuts to adjust the construction platform (3) to a horizontal state;
step three, assembling two positioning rods (9) provided with positioning blocks (16) into waist holes (13) of buckling parts (11) of adjusting gaskets (8), buckling the buckling parts (11) of the adjusting gaskets (8) on the construction platform (3), and penetrating through two connecting parts (12) and two sliding grooves (7) through two split bolts (10) provided with the positioning blocks (16);
adjusting each adjusting gasket (8) to a position required by a design drawing, locking a split bolt (10) positioned below the fixed positioning rod (9), connecting a connecting rope (15) by a winding pipe (14) on the other split bolt (10), and fixing the other end of the connecting rope (15) on the movable positioning rod (9) by bypassing the fixed positioning rod (9);
fifthly, adjusting nuts of the split bolts (10), driving the winding pipes (14) to rotate to wind the connecting ropes (15) while screwing the nuts, driving the movable positioning rods (9) to transversely move by the connecting ropes (15), clamping the reserved sleeve joint bars to the positions required by the design drawing by using the positioning rods (9) and positioning blocks (16) on the split bolts (10) and welding and fixing the reserved sleeve joint bars with the main steel structure;
sixthly, the template is arranged on the outer side of the fixed framework (1), the height of the template is flush with the top surface of the connecting piece (6), and concrete is poured;
and seventhly, when the concrete strength reaches the corresponding position, adjusting the nuts of the split bolts (10) provided with the winding sleeves to separate the positioning rods (9) from the reserved sleeve joint bars, removing the template and the adjusting pieces (5), and taking away the construction platform (3), namely completing construction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910691833.XA CN110424636B (en) | 2019-07-29 | 2019-07-29 | Prefabricated building transfer floor reserved sleeve joint bar positioning device and construction method |
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| CN201910691833.XA CN110424636B (en) | 2019-07-29 | 2019-07-29 | Prefabricated building transfer floor reserved sleeve joint bar positioning device and construction method |
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| CN110424636A CN110424636A (en) | 2019-11-08 |
| CN110424636B true CN110424636B (en) | 2021-04-09 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805291A (en) * | 2019-11-29 | 2020-02-18 | 湖南五新模板有限公司 | PC building wallboard reserves sleeve pipe joint bar positioner |
| CN111101655B (en) * | 2019-12-19 | 2021-07-30 | 中建一局集团第三建筑有限公司 | Steel bar positioning device and construction method thereof |
| CN111305578B (en) * | 2020-03-04 | 2020-09-04 | 宜昌明泰建筑工程有限公司 | Reinforcing bar location sectional fixture for house building |
| CN111395656A (en) * | 2020-04-14 | 2020-07-10 | 江苏扬建集团有限公司 | Positioning device and positioning method for embedded construction of exposed connecting steel bars of vertical structure of assembly type building conversion layer |
| CN115026940A (en) * | 2022-06-29 | 2022-09-09 | 上海建工七建集团有限公司 | Positioner of prefabricated component connecting reinforcement |
| CN115652976A (en) * | 2022-11-03 | 2023-01-31 | 中建八局第二建设有限公司 | Modular frame post dowel bar fixing device |
| CN116971510B (en) * | 2023-09-19 | 2023-12-15 | 山西二建集团有限公司 | Assembled wall, auxiliary assembly part and construction mode |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20150176276A1 (en) * | 2013-12-24 | 2015-06-25 | Reigstad & Associates, Inc. | Post-tension concrete leave out splicing system and method |
| CN207177102U (en) * | 2017-09-16 | 2018-04-03 | 中国二十二冶集团有限公司 | Prefabricated conversion layer reserves sleeve joint bar accurate-location device |
| CN208329383U (en) * | 2018-06-15 | 2019-01-04 | 湖北金湖建设工程有限公司 | A kind of thickness of protection tier positioning device |
| CN109338887B (en) * | 2018-11-06 | 2020-08-21 | 中国十七冶集团有限公司 | Leveling device for cast-in-place box girder and construction method |
| CN109403553B (en) * | 2018-12-24 | 2024-01-09 | 南通四建集团有限公司 | Vertical reinforcing bar positioner of prefabricated shear force wall |
| CN109707110A (en) * | 2019-03-01 | 2019-05-03 | 中建二局第二建筑工程有限公司 | A kind of precast shear wall conversion layer embedded bar locating rack and construction method |
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