CN211447763U - Improved post-cast strip formwork device for laminated floor - Google Patents
Improved post-cast strip formwork device for laminated floor Download PDFInfo
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- CN211447763U CN211447763U CN201922026642.XU CN201922026642U CN211447763U CN 211447763 U CN211447763 U CN 211447763U CN 201922026642 U CN201922026642 U CN 201922026642U CN 211447763 U CN211447763 U CN 211447763U
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Abstract
The utility model discloses an improvement type coincide floor post-cast strip formwork device. The prefabricated slab comprises a supporting plate and a hoisting part, wherein the supporting plate is arranged below a post-cast strip at intervals, two groups of counter-pulling bolts are fixedly arranged on the supporting plate, sleeves matched with the thickness of the post-cast strip are arranged at the bottoms of the counter-pulling bolts in a matching mode, detachable hoisting parts are arranged at the tops of the counter-pulling bolts, U-shaped holes are formed in the hoisting parts, when the supporting plate and the hoisting parts are fixed, the counter-pulling bolts are firstly arranged on the U-shaped holes, the hoisting parts are locked on the counter-pulling bolts through positioning nuts at the tops of the hoisting parts, cavities are formed between two adjacent prefabricated slabs and the supporting plate and the hoisting parts, and when a concrete stacking layer is formed on the prefabricated slabs, partial concrete. The formwork supporting device has the advantages of simple structure, convenience in erection, time and labor saving, safety and reliability, can effectively improve the assembly and construction efficiency of the composite floor slab, can be recycled, and reduces the cost; in addition, the method can also be applied to post-cast strips of common concrete slabs which need secondary formwork support.
Description
Technical Field
The utility model relates to a building field especially relates to an improvement type coincide floor post-cast strip formwork device.
Background
Under the direction of national policy, the proportion of prefabricated buildings is increasing, and a large number of building components, such as: the external wall panel, the internal wall panel, the composite floor slab, the balcony, the stairs and the like are transported to a construction site after workshop production and processing are completed, and then the assembly can be completed by on-site post-pouring, so that the building components are more standardized, the management is more informationalized, and the production efficiency is higher.
A laminated floor slab in an assembly type building mainly comprises precast slabs and cast-in-place concrete laminated layers. The prefabricated plates are tiled, a post-pouring belt with the width of about 200mm is reserved between every two adjacent prefabricated plates, the post-pouring belt needs to be erected and fixed through a formwork erecting device, concrete pouring is conducted again, cast-in-place concrete is poured into the post-pouring belt to connect and reinforce the prefabricated plates, a laminating layer with smooth surfaces is formed on the prefabricated plates, the integrity is good, the rigidity is high, and decoration of a finish coat is facilitated. Among the present coincide floor structure, post-cast strip's formwork device adopts the wood mould or the steel mould of stand support formula mostly, and the structure is complicated, sets up inconveniently, still needs the scene to set up, wastes time and energy, and assembly efficiency is low, moreover, but formwork device reuse, with high costs. At present, some tool type formwork supporting tools exist, but the implementation and the disassembly are not enough, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome the defect that above-mentioned prior art exists, provide an improvement type coincide floor post-cast strip formwork device, the formwork device simple structure in its post-cast strip sets up the convenience, dismantles safety, and labour saving and time saving can improve the assembly and the efficiency of construction of coincide floor effectively, can also retrieve and recycle, the cost is reduced.
The improved type superposed floor slab post-cast strip formwork device is used for being installed at the position of a post-cast strip of two adjacent prefabricated slabs and limiting the post-cast strip, and comprises a supporting plate and a hanging piece, and is characterized in that the supporting plate is arranged below the post-cast strip at intervals, two ends of the supporting plate are superposed with the bottom edges of the prefabricated slabs of side plates of the post-cast strip, two groups of counter bolts are fixedly arranged on the supporting plate, sleeves matched with the thickness of the post-cast strip are arranged at the bottoms of the counter bolts in a matched mode, a detachable hanging piece is arranged at the top of the counter bolts, U-shaped holes are formed in the hanging piece, when the supporting plate and the hanging piece are fixed, the counter bolts are firstly arranged on the U-shaped holes, the hanging piece is locked on the counter bolts through positioning nuts at the top of the hanging piece, cavities are formed between the two adjacent prefabricated slabs, the supporting plate and the hanging piece, and when a concrete superposed layer, forming a post-cast strip.
The improved type superposed floor post-cast strip formwork device is characterized in that the supporting plate comprises a supporting portion and attaching portions symmetrically arranged on two sides of the supporting portion, the bottom surface of the supporting portion is higher than the bottom surface of the attaching portions, the supporting portion is matched with the width of the post-cast strip, the attaching portions are located at the bottoms of the prefabricated plates, and the upper surfaces of the attaching portions are connected with the bottom surfaces of the prefabricated plates.
The improved post-cast strip formwork device for the superposed floor is characterized in that a sealing rubber strip is arranged on the bottom surface of the prefabricated plate and is bonded between the attaching part and the prefabricated plate to play a role in buffering.
An improvement type coincide floor post-cast strip formwork device, its characterized in that hangs and draws a strideing portion, connecting portion and hangers that include integrated into one piece, when hanging and drawing a fixed, the hangers tight fit respectively sets up on two adjacent prefabricated plates, strideing portion and supporting part are parallel and the size matches, connecting portion height and prefabricated plate thickness sum equal the thickness in post-cast strip, the U-shaped hole is seted up in strideing portion, and the opening in U-shaped hole is located strideing portion border, be convenient for with the dismouting of stay bolt.
An improvement type coincide floor post-cast strip formwork device, its characterized in that can dismantle and hang the piece including connecting rope and coupling nut, connecting rope is used for being connected with the hoist, the coupling nut cooperation sets up on split bolt, and coupling nut's external diameter is less than sheathed tube internal diameter.
The improved post-cast strip formwork device for the laminated floor is characterized in that a gasket is arranged between a positioning nut and a hanging piece.
The utility model has the advantages that the formwork device obtained by adopting the technology greatly increases the maneuverability and convenience of hoisting by arranging the detachable hanging piece on the split bolt of the bearing plate, in addition, the utility model also arranges an open U-shaped hole on the hanging piece to facilitate the installation and the removal of the hanging piece and the split bolt, and by adopting the formwork device of the utility model, a cavity is formed between two adjacent precast slabs, the bearing plate and the hanging piece, when the precast slabs are overlapped with concrete, partial concrete is filled in the cavity to form a post-pouring belt, the formwork device has simple structure, convenient erection, time and labor saving, can effectively improve the assembly and the construction efficiency of the overlapped floor slab, and after the concrete is gradually solidified, the locking piece and the bearing plate can be detached, and the bearing plate is hung down by adopting the detachable hanging piece to realize safe disassembly, for next use, the cost of the formwork supporting device is reduced.
Drawings
Fig. 1 is a schematic view of a formwork device in an embodiment of the present invention after being set up;
fig. 2 is a cross-sectional view of the formwork device of the present invention after being set up;
fig. 3 is an enlarged schematic view of a support plate of the present invention;
FIG. 4 is an enlarged view of the detachable hanger of the present invention;
fig. 5 is an enlarged schematic view of the suspension member of the present invention;
fig. 6 is a construction schematic diagram of the composite floor slab after the formwork device is erected and the reinforcing steel bars are bound;
fig. 7 is a schematic view of the construction of the composite floor slab after the concrete composite layer is poured;
fig. 8 is a schematic view of the supporting plate hoisting and lowering process after the composite floor slab is finished;
fig. 9 is the utility model discloses a schematic diagram after the construction is accomplished to coincide floor.
In the figure: 1, precast slab; 2-post-casting the strip; 3-a support plate; 31-a support; 32-a fitting part; 33-split bolts; 34-a positioning nut; 35-a gasket; 4-hanging the pulling piece; 41-spanning part; 42-hangers, 43-U-shaped holes and 44-connecting parts; 5-detachable hanging piece; 51-connecting ropes; 52-a coupling nut; 6-sealing rubber strip, 7-sleeve; 8-concrete laminated layer, 9-sealing adhesive tape.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
As shown in fig. 1-9, the improved type laminated floor slab post-cast strip formwork device of the present invention is used for being installed at the position of the post-cast strip 2 of two adjacent precast slabs 1, and is limited to the post-cast strip 2, the formwork device comprises a support plate 3 and a hanging and pulling piece 4, the adjacent support plate 3 is tightly fitted, a gap is left between the adjacent hanging and pulling pieces 4, the support plate 3 is arranged below the post-cast strip 2 at intervals, and both ends of the support plate 3 are overlapped with the bottom edge of the precast slab 1 of the side plate of the post-cast strip 2, two sets of counter-pulling bolts 33 are fixed on the support plate 3, a sleeve 7 matched with the thickness of the post-cast strip 2 is arranged at the bottom of the counter-pulling bolts 33, a detachable hanging piece 5 is arranged at the top, the hanging and pulling piece 4 is matched with the number of the counter-pulling bolts 33, a U-shaped hole 43 is arranged on the hanging and pulling piece 4, when the support plate 3 and the hanging and, the top of the hanging and pulling piece 4 is locked on the split bolt 33 by a positioning nut 34, and a gasket 35 is arranged between the positioning nut 34 and the hanging and pulling piece 4; a cavity is formed among two adjacent precast slabs 1, the supporting plate 3 and the hanging and pulling piece 4, and when the precast slabs 1 are provided with the concrete superposed layer 8, part of concrete is filled in the cavity to form the post-pouring belt 2.
As shown in fig. 1-3, the support plate 3 of the present invention includes a support portion 31 and two attaching portions 32 symmetrically disposed on two sides of the support portion 31, wherein the support portion 31 is provided with an internal threaded hole, and the bottom of the tie bolt 33 is mounted on the internal threaded hole and tightened; supporting part 31 bottom surface is higher than laminating portion 32 bottom surface, and supporting part 31 matches with 2 width in post-cast strip, and laminating portion 32 is located 1 bottoms of prefabricated plate, and the upper surface and the 1 bottom surfaces of prefabricated plate of laminating portion 32 are connected, for connection stability, the utility model discloses 1 bottom surfaces of prefabricated plate are equipped with joint strip 6, and joint strip 6 bonds between laminating portion 32 and prefabricated plate 1, can play certain cushioning effect when increasing stability.
As shown in fig. 1, 2 and 5, the hanging and pulling member 4 includes a crossing portion 41, a connecting portion 44 and a hanging lug 42 which are integrally formed, when the hanging and pulling member 4 is fixed, the hanging lug 42 is respectively arranged on two adjacent prefabricated panels 1 in a close fit manner, the crossing portion 41 is parallel to and matched with the supporting portion 31 in size, the sum of the height of the connecting portion 44 and the thickness of the prefabricated panel 1 is equal to the thickness of the post-pouring belt 2, a U-shaped hole 43 is formed in the crossing portion 41, and the opening of the U-shaped hole 43 is located at the edge of the crossing portion 41, so as to facilitate the assembly and disassembly of the counter-pulling.
As shown in fig. 4, the detachable lifting element 5 includes a connection rope 51 and a connection nut 52, the connection rope 51 is used for being connected with a lifting appliance, the connection nut 52 is cooperatively disposed on the split bolt 33, and the outer diameter of the connection nut 52 is smaller than the inner diameter of the casing 7, so that when the lifting support plate 3 is detached, the connection nut 52 can smoothly slide downwards from the casing 7.
As shown in the figure, based on the utility model discloses a formwork device, the concrete construction method of the coincide floor of prefabricated building, including following step:
1) hoisting the prefabricated plates 1 to enable a plurality of prefabricated plates 1 to be tiled, and reserving a post-pouring belt 2 between two adjacent prefabricated plates 1;
2) adhering sealing rubber strips 6 to the bottoms of two adjacent precast slabs 1 close to the post-cast strip 2;
3) installing the bottom of a split bolt 33 on a support plate 3, installing a connecting nut 52 on a detachable hanging piece 5 on the split bolt 33 of the support plate 3, hanging the support plate 3 below the post-cast strip 2 by using the detachable hanging piece 5, and bonding a bonding part 32 of the support plate 3 with a sealing rubber strip 9;
4) assembling the sleeve 7 on the split bolt 33, and then placing the hoisting and pulling piece 4 above the post-cast strip 2, so that the hanging lug 42 of the hoisting and pulling piece 4 is attached to the top surface of the precast slab 1, and the spanning part 41 is positioned right above the sleeve 7;
5) placing the spacer 35, sleeving the opening in the center of the spacer 35 on the split bolt 33, placing the spacer above the spanning part 41, screwing the positioning nut 34 into the split bolt 33, and locking to fix the hanging and pulling piece 4 and the support plate 3, wherein a cavity is formed between two adjacent precast slabs 1, the support plate 3 and the hanging and pulling piece 4, and a gap is left between two adjacent hanging and pulling pieces 4, as shown in fig. 6;
6) binding the concrete superposed layer 8 and the steel bars on the post-cast strip 2;
7) pouring the concrete of the concrete superposed layer 8 in situ, wherein part of the concrete flows into the cavity from the gap between the adjacent lifting and pulling pieces 4 and fills the cavity, the concrete on the cavity forms the post-pouring belt 2, the concrete on the precast slab 1 forms the concrete superposed layer 8 until the concrete superposed layer 8 is flush with the top surface of the lifting and pulling piece 4 or slightly covers the top surface of the lifting and pulling piece 4, and curing is carried out, as shown in fig. 7;
8) after the concrete laminated layer 8 and the post-cast strip 2 are cured, the positioning nuts 34 are unscrewed, the gaskets 35 are taken out, the lifting lugs of the crane are fixedly connected with the connecting ropes 51, the split bolts 33 are lightly knocked, so that the support plate 3 is loosened, and the detachable crane 5 can be used for downwards hoisting the detached support plate 3 to the next floor slab by the crane, as shown in fig. 8;
9) and (3) plugging the hole left after the split bolt 33 is removed, so that the surface of the concrete laminated layer is flat and smooth, and then pouring can be completed, as shown in fig. 9.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (6)
1. An improved type overlapped floor slab post-cast strip formwork device is used for being installed at the position of a post-cast strip (2) of two adjacent precast slabs (1) and limiting the post-cast strip (2), and comprises a supporting plate (3) and a hanging and pulling piece (4), and is characterized in that the supporting plate (3) is arranged below the post-cast strip (2) at intervals, two ends of the supporting plate (3) are overlapped with the bottom edges of the precast slabs (1) of the side plates of the post-cast strip (2), two groups of counter-pulling bolts (33) are fixedly arranged on the supporting plate (3), sleeves (7) matched with the thickness of the post-cast strip (2) are arranged at the bottoms of the counter-pulling bolts (33) in a matching mode, a detachable hanging piece (5) is arranged at the top, a U-shaped hole (43) is formed in the hanging and pulling piece (4), when the supporting plate (3) and the hanging and pulling piece (4) are fixed, the counter-pulling bolts (33) are firstly placed on, the top of the hanging and pulling piece (4) is locked on the split bolt (33) through a positioning nut (34), a cavity is formed between two adjacent precast slabs (1), a supporting plate (3) and the hanging and pulling piece (4), and when a concrete laminated layer (8) is arranged on the precast slabs (1), part of concrete is filled in the cavity to form a post-cast strip (2).
2. The improved type laminated floor slab post-cast strip formwork device as claimed in claim 1, wherein the supporting plate (3) comprises a supporting portion (31) and attaching portions (32) symmetrically arranged at both sides of the supporting portion (31), the bottom surface of the supporting portion (31) is higher than the bottom surface of the attaching portions (32), the supporting portion (31) is matched with the width of the post-cast strip (2), the attaching portions (32) are arranged at the bottom of the prefabricated slab (1), and the upper surface of the attaching portions (32) is connected with the bottom surface of the prefabricated slab (1).
3. An improved laminated floor slab post-cast strip formwork device as claimed in claim 2, wherein the prefabricated slab (1) is provided with a sealing rubber strip (6) on the bottom surface thereof, and the sealing rubber strip (6) is adhered between the attaching part (32) and the prefabricated slab (1) for buffering.
4. The improved type overlapped floor post-cast strip formwork device as claimed in claim 2, wherein the hanging and pulling member (4) comprises a crossing portion (41), a connecting portion (44) and a hanging lug (42) which are integrally formed, when the hanging and pulling member (4) is fixed, the hanging lug (42) is respectively arranged on two adjacent prefabricated plates (1) in a close fit manner, the crossing portion (41) is parallel to the supporting portion (31) and matched in size, the sum of the height of the connecting portion (44) and the thickness of the prefabricated plates (1) is equal to the thickness of the post-cast strip (2), the U-shaped hole (43) is arranged on the crossing portion (41), and the opening of the U-shaped hole (43) is positioned at the edge of the crossing portion (41), so as to be convenient for dismounting and mounting and dismounting the pulling bolt (33).
5. An improved laminated floor slab post-cast strip formwork device as claimed in claim 1, wherein the detachable hanging member (5) comprises a connecting rope (51) and a connecting nut (52), the connecting rope (51) is used for connecting with a hanger, the connecting nut (52) is arranged on the split bolt (33) in a matching way, and the outer diameter of the connecting nut (52) is smaller than the inner diameter of the sleeve (7).
6. An improved laminated floor slab post-cast strip formwork device as claimed in claim 1, wherein a spacer (35) is provided between the positioning nut (34) and the hanging member (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922026642.XU CN211447763U (en) | 2019-11-21 | 2019-11-21 | Improved post-cast strip formwork device for laminated floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922026642.XU CN211447763U (en) | 2019-11-21 | 2019-11-21 | Improved post-cast strip formwork device for laminated floor |
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| Publication Number | Publication Date |
|---|---|
| CN211447763U true CN211447763U (en) | 2020-09-08 |
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| CN201922026642.XU Active CN211447763U (en) | 2019-11-21 | 2019-11-21 | Improved post-cast strip formwork device for laminated floor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668849A (en) * | 2021-08-24 | 2021-11-19 | 中国建筑第二工程局有限公司 | Post-cast strip pouring equipment and construction method thereof |
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2019
- 2019-11-21 CN CN201922026642.XU patent/CN211447763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668849A (en) * | 2021-08-24 | 2021-11-19 | 中国建筑第二工程局有限公司 | Post-cast strip pouring equipment and construction method thereof |
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