CN111502254A - Hanging type formwork support-free frame for construction of beam system steel structure floor slab - Google Patents
Hanging type formwork support-free frame for construction of beam system steel structure floor slab Download PDFInfo
- Publication number
- CN111502254A CN111502254A CN201910093890.8A CN201910093890A CN111502254A CN 111502254 A CN111502254 A CN 111502254A CN 201910093890 A CN201910093890 A CN 201910093890A CN 111502254 A CN111502254 A CN 111502254A
- Authority
- CN
- China
- Prior art keywords
- construction
- formwork
- floor slab
- hanging
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
Abstract
The invention belongs to the technical field of building construction instruments, and particularly relates to a hanging type support-free formwork for construction of a beam system steel structure floor slab. The hanging type formwork-supporting-free device comprises a fixing seat and a hanging bracket, wherein the fixing seat is used for fixing the hanging type formwork-supporting-free device on the lower flange of an H-shaped steel beam, the hanging bracket is arranged below the fixing seat and is used for hanging a cross beam, the hanging bracket is a U-shaped hanging bracket with an upward opening for the cross beam to be placed in, and a lifting adjusting device is arranged between the fixing seat and the U-shaped hanging bracket. The H-shaped steel beam in the steel structure is used for supporting the formwork-free frame, the formwork-free frame is used for supporting the crossbeam and the floor slab and other structures on the crossbeam, a full scaffold does not need to be arranged on the ground or the solidified floor slab, the construction cost is low, and the construction period is shortened. The multiple layers of floor slabs can be mutually and independently supported and poured, so that longitudinal synchronous construction is realized, and the construction progress is accelerated. The support-free formwork provided by the invention adopts the hanging bracket to support the cross beam, and is suitable for floor slab construction needing plate lowering treatment in a toilet and the like.
Description
Technical Field
The invention belongs to the technical field of building construction instruments, and particularly relates to a hanging type support-free formwork for construction of a beam system steel structure floor slab.
Background
In the prior art, when a floor slab in a steel structure house is supported and poured, for example, a floor slab needing to be subjected to plate lowering treatment such as a toilet, a full scaffold is generally adopted for supporting, a large number of scaffold pipes are required for supporting to form a formwork, the construction cost is high, and the construction period is long. Moreover, the full-hall scaffold needs to be supported by the ground or the floor slab when a formwork is erected, so that when multiple layers of floors are sequentially poured from bottom to top, a scaffold can be erected to construct the next layer of floors after the previous layer of concrete is solidified, and the overall construction progress is seriously influenced.
Disclosure of Invention
The invention aims to provide a hanging type formwork support-free frame for construction of a beam system steel structure floor slab, and the hanging type formwork support-free frame is used for solving the technical problem that construction progress is slow due to the fact that a full formwork support mode is adopted for supporting the floor slab in the prior art.
In order to realize the purpose, the invention discloses a suspension type support-free formwork for construction of a steel structure floor slab of a cluster system, which adopts the technical scheme that: the utility model provides a construction of system steel construction floor tied in a bundle is with hanging exempting from formwork, is including being used for fixing the hanging exempt from formwork fixing the fixing base on the H shaped steel roof beam bottom wing edge and setting up the gallows in order to hang the crossbeam below the fixing base, the gallows is the U-shaped gallows that the opening put into for the crossbeam up, be equipped with the lift adjusting device who is used for adjusting U-shaped gallows height between fixing base and the U-shaped gallows.
The invention has the beneficial effects that: when the formwork-support-free frame is used, the whole formwork-support-free frame can be fixed on the lower flange of an H-shaped steel beam through the fixing seat, the hanging frame can be used for supporting the cross beam, and the height of the hanging frame can be adjusted through the lifting adjusting device to change the height of the cross beam and further adjust the height of a floor slab on the cross beam. The invention uses the H-shaped steel beam in the steel structure to support the formwork free of support, uses the formwork free of support to support the structures such as the cross beam and the floor slab on the cross beam, and does not need to arrange a full scaffold on the ground or the solidified floor slab, thereby having lower construction cost and shorter construction period. Because the formwork of each floor only depends on the H-shaped steel beam and the formwork support-free frame, the multiple floors can be mutually and independently supported and poured, the longitudinal synchronous construction is realized, and the construction progress is accelerated. The support-free formwork provided by the invention adopts the hanging bracket to support the cross beam, and is suitable for floor slab construction needing plate lowering treatment in a toilet and the like.
Furthermore, the lifting adjusting device comprises an upper threaded connecting piece fixedly arranged on the fixed seat, a lower threaded connecting piece fixedly arranged on the hanger frame and a middle rotating adjusting piece, wherein two ends of the middle rotating adjusting piece are respectively provided with a threaded connecting structure for being in threaded assembly with the corresponding threaded connecting piece, the thread turning directions of the two threaded connecting structures are opposite, one of the threaded connecting structure and the threaded connecting piece in threaded fit is a screw rod part, and the other one of the threaded connecting structure and the threaded connecting piece is a sleeve part. When the height of the hanging bracket needs to be adjusted, the height of the supporting seat can be adjusted up and down only by rotating the middle rotating part, the hanging bracket is not easy to rotate, and the adjusting process is simple and convenient.
Furthermore, the upper threaded connecting piece is a fixed seat screw rod which is fixedly arranged on the fixed seat and extends downwards, the lower threaded connecting piece is a hanger screw rod which is fixedly arranged on the hanger and extends upwards, and the middle rotating adjusting piece is a sleeve with two ends respectively in corresponding threaded fit with the fixed seat screw rod and the hanger screw rod. The middle rotating adjusting piece is a sleeve, so that the rotation is more convenient.
Furthermore, the two ends of the sleeve are respectively provided with an internal thread section which forms the thread connecting structure, the thread turning directions of the internal thread sections at the two ends are opposite, and the axial lengths are equal. The axial length of two internal thread sections in the sleeve is equal, so that the processing is convenient, the interchange can be realized, and the assembly is convenient.
Further, the fixing base is used for the U-shaped joint seat towards H shaped steel web for the opening, and the U-shaped joint seat is including the last diaphragm and the lower diaphragm that are parallel to each other, still including connecting the one end of upper and lower diaphragm in order to form open-ended riser, goes up the screw thread installation in one of diaphragm and the lower diaphragm and is used for pressing with H shaped steel roof beam lower flange top press-fit and with the screw thread top tie member of another cooperation in last diaphragm and the lower diaphragm in order to press from both sides tight H shaped steel roof beam lower flange. Through the U-shaped joint seat with screw top tight piece complex mode fix the U-shaped joint seat on the lower flange of H shaped steel roof beam, fixed mode is simple and convenient more.
Furthermore, the screw top tightening piece is a top tightening bolt assembled on the corresponding transverse plate in a screw thread mode, a nut gasket is arranged at the top pressing end of the top tightening bolt and comprises a nut assembled on the top tightening bolt in a screw thread mode and a gasket arranged on the nut, and the gasket is provided with a top pressing surface used for being in top pressing fit with the lower flange of the H-shaped steel beam. Through increasing the nut gasket, can increase the tight area in top of screw top piece, strengthen the tight effect in top.
Further, the screw thread tightening piece is arranged on the lower transverse plate, and the length of the upper transverse plate is smaller than that of the lower transverse plate. The length of the upper transverse plate can be smaller than that of the lower transverse plate by being limited by the web of the H-shaped steel beam.
Further, the upper threaded connecting piece and the threaded tightening piece are sequentially arranged at intervals in the opening direction of the U-shaped clamping seat. Go up threaded connection spare and screw top piece and arrange in proper order along the opening orientation of U-shaped joint seat, make screw top piece keep away from the one end that well U-shaped joint seat card was gone into in the H shaped steel roof beam bottom flange more, make the joint of U-shaped joint seat more stable.
Drawings
FIG. 1 is a diagram showing a using state of an embodiment of a hanging type support-free formwork for construction of a steel structure floor slab of a bundling system according to the invention;
FIG. 2 is a perspective view of the formwork-free frame of FIG. 1;
FIG. 3 is a front view of the formwork of FIG. 1;
FIG. 4 is a rear view of FIG. 3;
FIG. 5 is a left side view of FIG. 3;
description of reference numerals: 100-support-free mold frame; 11-a bayonet mount; 111-an upper transverse plate; 112-a lower transverse plate; 12-a sleeve; 13-a gasket; 14-a nut; 15-the clamping seat tightly props the bolt; 16-a hanger; 17-a hanger screw rod; 18-clamping seat screw rod; a 200-H shaped steel beam; 21-lower flange; 300-a cross beam; 400-square timber; 500-steel bar truss floor deck.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The concrete embodiment of the hanging type support-free formwork for construction of the steel structure floor slab of the bundling system is shown in fig. 1 to 5, and the support-free formwork is of a hanging type structure and is suitable for supporting the floor slab needing plate lowering treatment in a toilet and the like.
As shown in fig. 2 to 5, the formwork support-free frame 100 includes a clamping seat 11 and a hanger 16 hung below the clamping seat 11 by a lifting adjusting device. As shown in fig. 5, the latch seat 11 includes an upper cross plate 111 and a lower cross plate 112, the upper cross plate 111 and the lower cross plate 112 are arranged in parallel, and the latch seat 11 further includes a vertical plate (not labeled in the figure) connecting one end of the upper cross plate 111 and one end of the lower cross plate 112. The clamping seat 11 has a horizontal opening, and extends horizontally to the outside of the lower flange 21 of the H-shaped steel beam 200 in use. As can be seen from fig. 1 and 5, the length of the upper cross plate 111 is smaller than that of the lower cross plate 112, limited by the influence of the web in the H-shaped steel beam 200. Of course, in other embodiments, the lengths of the upper cross plate and the lower cross plate can be designed to be equal.
In order to ensure that the clamping seat 11 can be fixedly clamped on the lower flange 21 of the H-shaped steel beam 200 when in use, as shown in fig. 5, a clamping seat jacking bolt 15 is screwed on the lower transverse plate 112, a nut gasket is screwed on the upper end head of the clamping seat jacking bolt 15, and the nut gasket comprises a nut 14 screwed on the clamping seat jacking bolt 15 and a gasket 13 fixed on the nut 14. When the clamping seat is used, the clamping seat jacking bolt 15 and the gasket 13 upwards jack against the bottom surface of the lower flange 21, the upper transverse plate 111 downwards jacks against the top surface of the lower flange 21, and the clamping seat 11 is fixedly clamped on the lower flange 21 through the combined action of the clamping seat jacking bolt 15 and the upper transverse plate 111. The top surface of the gasket 13 is a top pressing surface. In this embodiment, the clamping seat tightening bolt 15 constitutes a threaded tightening member, and in other embodiments, the threaded tightening member may be a tightening screw or a head-free jackscrew. When the pressing surface of the thread pressing piece is large enough, the nut gasket can be eliminated.
The structure of the hanger 16 is as shown in fig. 3 and 4, the hanger 16 is a U-shaped hanger having a U-shaped groove, and the opening of the U-shaped hanger is upward, so that the cross beam 300 can be placed in the U-shaped groove from top to bottom.
As shown in fig. 2 to 5, the lifting adjusting device includes a hanger screw 17, a clamping seat screw 18 and a sleeve 12, wherein the hanger screw 17 is fixed on the bottom surface of the hanger 16 and extends upward, the clamping seat screw 18 is fixed on the bottom surface of the clamping seat 11 and extends downward, the hanger screw 17 and the clamping seat screw 18 are coaxially arranged and spaced relatively up and down, the external threads of the hanger screw 17 and the clamping seat screw 18 are opposite in rotation direction, for example, the external threads of the hanger screw 17 are positive threads, and the external threads of the clamping seat screw 18 are negative threads; or the external thread of the hanger screw rod 17 is a reverse-rotation thread, and the external thread of the clamping seat screw rod 18 is a forward-rotation thread.
The bayonet mount lead screw 18 is connected to the hanger lead screw 17 through the sleeve 12. The two ends of the sleeve 12 are respectively provided with internal threads, wherein the screwing direction of the internal thread at the upper end is consistent with the screwing direction of the external thread of the clamping seat screw rod 18, and the screwing direction of the internal thread at the lower end is consistent with the screwing direction of the external thread of the hanger screw rod 17. Since the engagement seat 11 is fixed in position during use, the height of the hanger 16 can be adjusted by rotating the sleeve 12 during use.
In this embodiment, the clamping seat screw rod 18 and the hanger screw rod 17 are screw rod portions, the clamping seat screw rod 18 forms an upper threaded connector, the hanger screw rod 17 forms a lower threaded connector, the internal thread sections at the two ends of the sleeve 12 are sleeve portions, namely, threaded connection structures, and the sleeve 12 is a middle rotation adjusting member. In order to facilitate processing and ensure consistency of matching lengths of threads at two ends of the sleeve 12 and stability during screwing, the axial lengths of the internal thread sections at two ends of the sleeve are equal. In other embodiments, the axial length of the internal thread segments at the two ends may be different.
In other embodiments, the positions of the sleeve part and the screw rod part can be interchanged, that is, the sleeve part is arranged on the clamping seat and the hanging bracket, the middle rotating adjusting piece is a screw rod, and the external thread sections at the two ends are the screw rod parts. Or in other embodiments, the middle rotation adjusting part is a combination of a screw rod and a sleeve, for example, one end is the screw rod, and the other end is the sleeve; or the two ends are sleeves, and the middle is a screw rod; or the two ends are screw rods, the middle is a sleeve, and the types of the threaded connecting pieces on the clamping seat and the hanging bracket are changed. Compared with the other embodiments, the middle rotating adjusting piece is a sleeve, so that the middle rotating adjusting piece is more convenient to screw.
As can be seen from fig. 3 and 5, the opening of the clamping seat 11 is opened towards the right, and the clamping seat tightening bolt 15 and the clamping seat screw rod 18 are sequentially arranged at intervals in the left-right direction, so that the phenomenon that the clamping seat tightening bolt and the clamping seat screw rod produce a torque force easily when the clamping seat tightening bolt and the clamping seat screw rod have a distance in the left-right direction perpendicular to the clamping seat tightening bolt and the clamping seat screw rod can be avoided, and the use stability of the.
The application method of the invention is as follows: when the steel bar truss floor support plate 500 is hoisted, the bottom flanges 21 of the two H-shaped steel beams 200 are respectively provided with a row of support-free formwork 100. The number of rows is determined according to actual conditions. As can be seen from fig. 1, after each formwork-free frame 100 is clamped on the lower flange 21, the hanger 16 is located below the H-shaped steel beam 200. After the formwork support-free frame 100 is installed on the lower flange 21, the cross beams 300 are placed in the hanging brackets 16 of the two opposite formwork support-free frames 100, then the square beams 400 are placed on the plurality of cross beams 300, and then the steel bar truss floor bearing plate 500 is supported and placed, so that the steel bar truss floor bearing plate 500 is supported on the lower flange on the inner side of the H-shaped steel beam 200. When the beam 300 and the square timber 400 are disassembled after pouring is finished, the beam 300 and the square timber 400 can be quickly disassembled only after the clamping seat 11 is loosened.
In the above embodiment, the lifting adjusting device is composed of a screw rod part and a sleeve part, and in other embodiments, in order to achieve the purpose of adjusting the height of the hanger, structures such as an oil cylinder, an air cylinder, an electric push rod, an electromagnetic push rod and the like can be adopted; meanwhile, a telescopic rod with step adjustment can be adopted.
In the above embodiment, the clamping seat 11 constitutes a fixing seat capable of fixing the support-free mold frame 100 on the H-shaped steel beam, and in other embodiments, in order to fix the support-free mold frame on the lower flange of the H-shaped steel beam, the fixing seat may adopt other forms, such as a fixing block placed on the lower flange, a bolt through hole is formed in the fixing block, a bolt through hole is also formed in the lower flange, and the fixing block is fixedly mounted on the lower flange through a bolt and nut assembly.
The width of the U-shaped groove in the gallows in this embodiment and the width adaptation of crossbeam, consequently no longer need additionally set up screw thread apical piece, in other embodiments, in order to guarantee the stability of placing of crossbeam, can add screw thread apical piece on one of the two risers of gallows.
Claims (8)
1. The utility model provides a system of gathering beams steel construction floor construction is with hanging-type formwork of exempting from which characterized in that: the lifting device comprises a fixing seat and a lifting frame, wherein the fixing seat is used for fixing a hanging type formwork-free support on a bottom flange of an H-shaped steel beam, the lifting frame is arranged below the fixing seat and is used for hanging a cross beam, the lifting frame is a U-shaped lifting frame with an upward opening for the cross beam to be placed in, and a lifting adjusting device used for adjusting the height of the U-shaped lifting frame is arranged between the fixing seat and the U-shaped lifting frame.
2. The hanging type support-free formwork for construction of the beam system steel structure floor slab as claimed in claim 1, wherein: the lifting adjusting device comprises an upper threaded connecting piece fixedly arranged on the fixed seat, a lower threaded connecting piece fixedly arranged on the hanging bracket and a middle rotating adjusting piece, wherein two ends of the middle rotating adjusting piece are respectively provided with a threaded connecting structure for being in threaded assembly with the corresponding threaded connecting piece, the thread turning directions of the two threaded connecting structures are opposite, one of the threaded connecting structure in threaded fit and the threaded connecting piece is a screw rod part, and the other one of the threaded connecting structure in threaded fit and the threaded connecting piece is a sleeve part.
3. The hanging type support-free formwork for construction of the beam system steel structure floor slab as claimed in claim 2, wherein: the upper threaded connecting piece is a fixed seat screw rod which is fixedly arranged on the fixed seat and extends downwards, the lower threaded connecting piece is a hanger screw rod which is fixedly arranged on the hanger and extends upwards, and the middle rotating adjusting piece is a sleeve with two ends respectively in corresponding threaded fit with the fixed seat screw rod and the hanger screw rod.
4. The hanging type support-free formwork for construction of the beam system steel structure floor slab as claimed in claim 3, wherein: the two ends of the sleeve are respectively provided with an internal thread section which forms the threaded connection structure, the thread turning directions of the internal thread sections at the two ends are opposite, and the axial lengths are equal.
5. The hanging type support-free formwork for construction of the beam system steel structure floor slab as claimed in claim 2, 3 or 4, wherein: the fixing base is used for the U-shaped joint seat towards H shaped steel beam web for the opening, and the U-shaped joint seat is including the last diaphragm and the lower diaphragm that are parallel to each other, still including connecting the one end of upper and lower diaphragm in order to form open-ended riser, goes up in one of diaphragm and the lower diaphragm threaded mounting be used for with H shaped steel roof beam lower flange top press-fit and with go up diaphragm and the lower diaphragm in another cooperation with the screw top retaining member of pressing from both sides tight H shaped steel roof beam lower flange.
6. The hanging type support-free formwork for construction of the beam system steel structure floor slab as claimed in claim 5, wherein: the screw top tight piece is the top tight bolt of screw assembly on corresponding diaphragm, the roof pressure end of top tight bolt is equipped with the nut gasket, and the nut gasket includes the nut of screw assembly on the top tight bolt and locates the gasket on the nut, the gasket has and is used for with H shaped steel roof beam lower limb roof pressure complex top pressure face.
7. The hanging type support-free formwork for construction of the beam system steel structure floor slab as claimed in claim 5, wherein: the screw thread puller is arranged on the lower transverse plate, and the length of the upper transverse plate is smaller than that of the lower transverse plate.
8. The hanging type support-free formwork for construction of the beam system steel structure floor slab as claimed in claim 5, wherein: the upper threaded connecting piece and the threaded tightening piece are sequentially arranged at intervals in the upward direction of the opening of the U-shaped clamping seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093890.8A CN111502254A (en) | 2019-01-30 | 2019-01-30 | Hanging type formwork support-free frame for construction of beam system steel structure floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093890.8A CN111502254A (en) | 2019-01-30 | 2019-01-30 | Hanging type formwork support-free frame for construction of beam system steel structure floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111502254A true CN111502254A (en) | 2020-08-07 |
Family
ID=71870776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910093890.8A Pending CN111502254A (en) | 2019-01-30 | 2019-01-30 | Hanging type formwork support-free frame for construction of beam system steel structure floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111502254A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550573A (en) * | 2021-07-30 | 2021-10-26 | 江苏中南建筑产业集团有限责任公司 | Truss type formwork supporting system and construction method thereof |
-
2019
- 2019-01-30 CN CN201910093890.8A patent/CN111502254A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550573A (en) * | 2021-07-30 | 2021-10-26 | 江苏中南建筑产业集团有限责任公司 | Truss type formwork supporting system and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204645623U (en) | Aluminium alloys wafts window template system | |
| WO2021212921A1 (en) | Construction system for widened section of half-through arch bridge | |
| CN207513156U (en) | A kind of scalable frame body for building | |
| CN211173076U (en) | Top aluminum mould board bearing structure | |
| CN111502254A (en) | Hanging type formwork support-free frame for construction of beam system steel structure floor slab | |
| CN204875531U (en) | Shaped steel runs through formula outer supporting bracket system of encorbelmenting | |
| CN210685393U (en) | Eave cantilever concrete structure formwork support | |
| CN201367730Y (en) | A die plate supporting device convenient for dismounting die plates | |
| CN215594693U (en) | Steel pipe pull rod hollow ceramic archaized brick combined wall | |
| CN206530077U (en) | A kind of support frame | |
| CN206267520U (en) | A kind of self-supporting post-cast strip is poured with hanging mould | |
| CN210886958U (en) | Bridge assembled bent cap installation support stores pylon | |
| CN201195940Y (en) | Hoisting template for integral elevator hoistway | |
| CN208981355U (en) | A kind of packaged type scaffold | |
| CN208251617U (en) | A kind of deformation joint dual-shear force wall template assembling and disassembling device | |
| CN108729640B (en) | Mounting method of cantilever plate of assembled building | |
| CN111502252B (en) | Hanging type formwork-supporting-free system for beam system steel structure building floor and construction method | |
| CN206917125U (en) | A kind of assembled stair | |
| CN219034010U (en) | Scaffold connecting assembly | |
| CN214834668U (en) | Ultra-long support device of all-steel climbing frame | |
| CN212897607U (en) | Tower type supporting truss | |
| CN219638391U (en) | Standard plane multi-clamping template for water inlet tower construction | |
| CN219387183U (en) | Construction hole hanging die device | |
| CN213626623U (en) | Supporting structure for building assembly | |
| CN220377812U (en) | Adjustable climbing frame fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |