CN215107369U - Roof suspension type early-dismantling system - Google Patents
Roof suspension type early-dismantling system Download PDFInfo
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- CN215107369U CN215107369U CN202121536196.8U CN202121536196U CN215107369U CN 215107369 U CN215107369 U CN 215107369U CN 202121536196 U CN202121536196 U CN 202121536196U CN 215107369 U CN215107369 U CN 215107369U
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- stop screw
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Abstract
The utility model relates to a roof suspension type early-dismantling system, which comprises an embedded part arranged in the top of a concrete member, an external part connected with the upper end of the embedded part, a tensioning pedestal and a tensioning device supported by the pedestal, wherein the tensioning device is detachably connected with one end of the external part, which is far away from the embedded part; one end of the embedded part, which is far away from the external part, is fixedly connected with a steel bar in the top of the concrete member, longitudinal support rods are arranged on the two transverse sides of the top end of the concrete member, a cross beam is arranged above the longitudinal support rods, and the pedestal is supported at the upper end of the cross beam; pretension is applied to the external water stop screw rod outer rod of the external part through the tensioning device, then the embedded part and the top of the concrete component connected with the embedded part are provided with upward prestress, so that the concrete component top plate template and the support frame can be detached when the concrete strength reaches 50%, the template conversion efficiency is effectively improved, and the material investment is reduced.
Description
Technical Field
The utility model relates to a building field especially relates to a roof suspension type system of tearing open early.
Background
The formwork is a temporary concrete pouring supporting and shaping structure and is designed and manufactured according to the appearance of a concrete structure, and in the concrete pouring process, the formwork needs to keep the correct position and bear the self-weight of the structure and the external load acting on the formwork; the quality and the construction safety of a concrete project can be ensured and the construction progress can be accelerated by shaping and pouring the die carrier; in the pouring construction of pipeline formula concrete member such as current piping lane, lead to concrete member to warp to collapse for avoiding demolising the roof template prematurely, concrete member's form removal need reach certain design intensity, for example when the roof width is greater than 2m, should reach 75% of design concrete intensity grade value just removable roof template at least, this greatly reduced template turnover efficiency, increase the input of template and supporting connecting piece, there is great influence to construction progress and construction cost.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a roof suspension type early system of tearing open applies pretension to the stagnant water screw rod outer pole of external part through tensioning equipment, then makes pre-buried part and the concrete component top of being connected with pre-buried part have ascending prestressing force to can demolish concrete component roof template and support frame when making the concrete intensity reach 50%, effectively improve template turnover efficiency, reduce the material and drop into.
The technical scheme of the utility model as follows:
a roof suspension type early-dismantling system comprises an embedded part arranged in the top of a concrete member, an external part connected with the upper end of the embedded part, a tensioning pedestal and a tensioning device supported by the pedestal, wherein the tensioning device is detachably connected with one end, far away from the embedded part, of the external part; the embedded part is kept away from one end of the external part and is fixedly connected with the steel bars in the top of the concrete member, longitudinal support rods are arranged on the two transverse sides of the top end of the concrete member, a cross beam is arranged above the longitudinal support rods, and the pedestal is supported at the upper end of the cross beam.
The embedded part comprises a water stop screw rod vertically arranged, a cone nut arranged at the top end of the water stop screw rod and an anchoring steel plate arranged at the bottom end of the water stop screw rod; the reinforcing bar in the concrete member top includes horizontal atress reinforcing bar and vertical atress reinforcing bar crisscross violently indulges, vertical atress reinforcing bar set up in horizontal atress reinforcing bar upper end and with horizontal atress reinforcing bar fixed connection, anchor steel sheet bottom and horizontal atress reinforcing bar fixed connection.
The middle of the rod in the water stop screw is provided with a water stop sheet perpendicular to the rod in the water stop screw, the water stop sheet is of a circular or polygonal structure, and the diameter of the water stop sheet is 1-3 times of that of the rod in the water stop screw.
The external part comprises a water stop screw rod outer rod detachably connected with the cone nut and a disc nut in threaded connection with the water stop screw rod outer rod, and the disc nut is arranged at the upper end of the beam.
The disc nut comprises a polygonal nut and a bottom disc integrally formed with one end of the nut, one side of the bottom disc of the disc nut faces the cross beam, and the diameter of the bottom disc is 5-6 times of that of the outer rod of the water stop screw.
The longitudinal support rods comprise at least one group of longitudinally parallel I-shaped steel, and the projection of the longitudinal support rods is located in the center of the side wall of the concrete member in the horizontal direction.
The beam comprises a plurality of groups of transverse double-spliced I-shaped steels arranged at longitudinal intervals, and the two I-shaped steels of each group are fixedly connected through a plurality of connecting steel plates.
The pedestal comprises a vertical support and a horizontal support connected with the vertical support, and the height of the vertical support is greater than that of the disc nut; the water stop screw rod outer rod penetrates out of the middle part of the horizontal support and is detachably connected with the tensioning device through threads.
The tensioning device comprises a jack connected with the water stop screw outer rod and an oil pump for controlling the jack to work.
The utility model discloses following beneficial effect has:
1. the utility model discloses a tensioning equipment exerts pretension to the stagnant water screw rod outer pole of external part, then make in the stagnant water screw rod and with the stagnant water screw rod in the concrete component top of being connected have ascending prestressing force to can demolish concrete component roof template and support frame when making the concrete intensity reach 50%, effectively improve template turnover efficiency, reduce the material and drop into.
2. The utility model discloses tensioning equipment is supported by the pedestal, and the pedestal sets up in the upper end of crossbeam, and through crossbeam and longitudinal support pole, tensioning equipment's holding power is transferred to the lateral wall of concrete member on, when the concrete intensity reaches 50%, the relative top of lateral wall of concrete member has better compressive strength to avoid the concrete member top to bear ascending tensile stress and decurrent holding power simultaneously, effectively improve the reliability of early system of tearing open.
3. The utility model discloses the design of pre-buried part water screw rod, the infiltration route that can increase water through the stagnant water piece guarantees the imperviousness of wall body.
4. The utility model discloses an interior pole of stagnant water screw rod is through the fixed welding of the horizontal atress reinforcing bar of anchor steel sheet with the concrete component, because of horizontal atress reinforcing bar and vertical atress reinforcing bar fixed connection, when the pole upwards drags horizontal atress reinforcing bar in the stagnant water screw rod, can be with the whole upward application of force in concrete component top, avoid the part to drag and lead to the concrete component to warp or built-in reinforcing bar to shift.
5. The utility model applies prestress on the top of the concrete component through the water stop screw outer rod and the water stop screw inner rod, and the detachable structure is convenient for the installation of the top outer template during concrete pouring; after the concrete strength meets the requirement, the external water stop screw outer rod is convenient to detach and reuse, the construction operation can be simplified, and the material investment is reduced.
6. The cross beam comprises a plurality of groups of transverse double-spliced I-shaped steel which are longitudinally arranged at intervals, two I-shaped steel of each group are fixedly connected through a plurality of connecting steel plates, the strength of the supporting structure of the double-spliced I-shaped steel is high, and the deformation of the cross beam can be reduced; the outer rod of the water stop screw rod penetrates out of the middle of the two I-shaped steels, the beam does not need to be punched, the operation is simple, and the strength of the beam can be improved.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of the circle of FIG. 2 according to the present invention;
FIG. 4 is a partial schematic view of the pre-buried part of the present invention;
fig. 5 is a schematic view of the disc nut of the present invention;
FIG. 6 is a schematic view of two sets of lifting point type early dismantling systems of the present invention;
FIG. 7 is a schematic view of a three-group lifting point type early dismantling system of the present invention;
fig. 8 is a schematic view of the four-group lifting point type early-dismantling system of the present invention.
The reference numbers in the figures denote:
1-embedded part, 11-water stop screw inner rod, 12-cone nut, 13-anchoring steel plate, 14-water stop sheet, 2-external part, 21-water stop screw outer rod, 22-disc nut, 221-nut, 222-bottom disc, 3-pedestal, 31-vertical support, 32-horizontal support, 4-tensioning device, 5-longitudinal support rod, 6-cross beam, 7-transverse stress steel bar, 8-longitudinal stress steel bar and 9-connecting steel plate.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, a roof suspension type early-dismantling system comprises an embedded part 1 arranged in the top of a concrete member, an external part 2 connected with the upper end of the embedded part 1, a tensioning pedestal 3 and a tensioning device 4 supported by the pedestal 3, wherein the tensioning device 4 is detachably connected with one end of the external part 2, which is far away from the embedded part 1; one end of the embedded part 1, which is far away from the external part 2, is fixedly connected with a steel bar in the top of the concrete member, longitudinal support rods 5 are arranged on two transverse sides of the top end of the concrete member, a cross beam 6 is arranged above the longitudinal support rods 5, the pedestal 3 is supported at the upper end of the cross beam 6, and the longitudinal support rods 5 and the cross beam 6 preferably adopt 10# I-steel and have high bending strength; pretension is applied to the external part 2 through the tensioning device 4, then upward prestress is provided on the top of the concrete member connected with the embedded part 1, so that the top plate template and the support frame of the concrete member can be detached when the strength of the concrete reaches 50%, the turnover efficiency of the template is effectively improved, and the material investment is reduced.
Further, the embedded part 1 comprises a water stop screw rod 11 which is vertically arranged, a cone nut 12 which is arranged at the top end of the water stop screw rod 11 and an anchoring steel plate 13 which is arranged at the bottom end of the water stop screw rod 11; the steel bars in the top of the concrete member comprise transverse stressed steel bars 7 and longitudinal stressed steel bars 8 which are staggered transversely and longitudinally, the longitudinal stressed steel bars 8 are arranged at the upper ends of the transverse stressed steel bars 7 and are fixedly connected with the transverse stressed steel bars 7, and the bottom ends of the anchoring steel plates 13 are fixedly connected with the transverse stressed steel bars 7; because of horizontal atress reinforcing bar 7 and vertical atress reinforcing bar 8 fixed connection, when the horizontal atress reinforcing bar 7 is pulled upwards to the interior pole 11 of stagnant water screw rod, can be with the whole upwards application of force in concrete member top, avoid local pull to lead to concrete member to warp or built-in reinforcing bar to shift.
Further, the middle part of the rod 11 in the water stop screw is provided with a water stop sheet 14 perpendicular to the rod 11 in the water stop screw, the water stop sheet 14 is of a circular or polygonal structure, the diameter of the water stop sheet 14 is 1-3 times of that of the rod 11 in the water stop screw, the water permeation path of water can be enlarged through the water stop sheet 14, and the water impermeability of the wall body is effectively guaranteed.
Further, the external part 2 comprises a water stop screw rod outer rod 21 detachably connected with the cone nut 12 and a disc nut 22 in threaded connection with the water stop screw rod outer rod 21, and the disc nut 22 is arranged at the upper end of the cross beam 6; the early-dismantling system applies prestress to the top of the concrete component through the water-stop screw outer rod 21 and the water-stop screw inner rod 11, and the water-stop screw outer rod 21 and the water-stop screw inner rod 11 are in a segmented detachable structure, so that a top outer template is conveniently installed; after the concrete strength meets the requirement, the external water stop screw rod outer rod 21 is convenient to disassemble and reuse, the construction operation can be simplified, and the material investment is reduced.
Preferably, the water-stopping screw inner rod 11 and the water-stopping screw outer rod 21 adopt D15 water-stopping screws, and the anchoring steel plate 13 adopts a steel plate with the thickness of 100 × 10 mm; the early-dismantling system is preferably arranged at a longitudinal interval of 1200mm, so that the structural strength of the early-dismantling system is ensured, the material investment can be reduced to the maximum extent, and the weight of the early-dismantling system is reduced.
Further, referring to fig. 5, the disk nut 22 includes a polygonal nut 221 and a bottom disk 222 integrally formed with one end of the nut 221, one side of the bottom disk 222 of the disk nut 22 faces the cross beam 6, and the diameter of the bottom disk 222 is 5-6 times of the diameter of the outer rod 21 of the water screw, so that the pressure of the disk nut 22 on the cross beam 6 is greatly reduced, and the disk nut 22 has high strength.
Further, the longitudinal support bar 5 comprises at least one group of longitudinally parallel i-shaped steel; in the horizontal direction, the projection of longitudinal support pole 5 falls in the side wall center of concrete member, through crossbeam 6 and longitudinal support pole 5, on the lateral wall of tensioning equipment 4's holding power was transferred to the concrete member, when the concrete intensity reached 50%, the relative top of lateral wall of concrete member had better compressive strength to avoid the concrete member top to bear ascending tensile stress and decurrent holding power simultaneously, effectively improve the reliability of early system of tearing open.
Furthermore, the cross beam 6 comprises a plurality of groups of transverse double-spliced I-beams which are longitudinally arranged at intervals, the two I-beams in each group are fixedly connected through a plurality of connecting steel plates 9, the strength of the supporting structure of the double-spliced I-beams is high, and the deformation of the cross beam 6 can be reduced; the outer rod 21 of the water stop screw rod penetrates out from the middle of the two I-shaped steels, the beam 6 does not need to be punched, the operation is simple, and the strength of the beam 6 can be improved.
Further, the pedestal 3 comprises a vertical support 31 and a horizontal support 32 connected with the vertical support 31, wherein the height of the vertical support 31 is greater than that of the disc nut 22, so that the subsequent locking operation of the disc nut 22 is facilitated; the water stop screw rod outer rod 21 penetrates out of the middle part of the horizontal support 32 and is detachably connected with the tensioning device 4 through threads.
Further, the tensioning device 4 comprises a jack connected with the water stop screw rod outer rod 21 and an oil pump for controlling the jack to work, and the jack is preferably a front clamping type 25T jack.
Further, see fig. 6 to 8, every group embedded part 1 and external part 2 form a hoisting point, and when the width of concrete member was longer, can set up 2 groups or more hoisting points on the crossbeam 6, through drawing of multiunit embedded part 1 and external part 2 to horizontal atress reinforcing bar 7, make concrete member top atress more even, effectively avoid the atress inequality or atress not enough to lead to the concrete member to warp or collapse the anomaly.
The utility model discloses a theory of operation:
before the concrete member top plate template is poured, the anchoring steel plate 13 of the embedded part 1 is fixedly connected with the transverse stressed steel bar 7 at the top of the concrete member, and then the surface of the cone nut 12 needs to be temporarily closed during pouring, so that slurry is ensured not to be poured into the cone nut 12; after the concrete member is poured, when the strength of the concrete reaches 50%, connecting the water-stopping screw outer rod 21 with the water-stopping screw inner rod 11, placing the longitudinal support rod 5 and the cross beam 6 at the top of the concrete member, then screwing the disc nut 22 to the upper surface of the cross beam 6, and keeping the non-locking state; then, the pedestals 3 corresponding to the number of the water stop screw outer rods 21 are placed above the cross beam 6, and the tension devices 4 connected with the water stop screw outer rods 21 are fixed on the pedestals 3.
After the external part 2 and the tensioning device 4 are installed, the jack is pressurized through an oil pump to pull the water stop screw rod outer rod 21 outwards, and when the water stop screw rod outer rod is tensioned to a designed stress value, the disc nut 22 is locked through a wrench; then the tensioning device 4 unloads the force and is dismantled, and the pedestal 3 and the tensioning device 4 are turned over to the next pouring workshop section for continuous use; and after the suspension device at the next pouring working section is installed, the support frame and the top plate template of the die carrier can be detached and moved to the next pouring working section for use, and the early detachment of the top plate is completed.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. The top plate suspended early-dismantling system is characterized by comprising an embedded part (1) arranged in the top of a concrete member, an external part (2) connected with the upper end of the embedded part (1), a tensioning pedestal (3) and a tensioning device (4) supported by the pedestal (3), wherein the tensioning device (4) is detachably connected with one end, far away from the embedded part (1), of the external part (2); one end of the embedded part (1) far away from the external part (2) is fixedly connected with a steel bar in the top of the concrete member, longitudinal support rods (5) are arranged on two transverse sides of the top end of the concrete member, a cross beam (6) is arranged above the longitudinal support rods (5), and the pedestal (3) is supported at the upper end of the cross beam (6).
2. The roof-suspended early demolition system as claimed in claim 1, wherein: the embedded part (1) comprises a water stop screw rod (11) which is vertically arranged, a cone nut (12) which is arranged at the top end of the water stop screw rod (11), and an anchoring steel plate (13) which is arranged at the bottom end of the water stop screw rod (11); the reinforcing bar in the concrete member top includes horizontal atress reinforcing bar (7) and vertical atress reinforcing bar (8) of violently indulging crisscross, vertical atress reinforcing bar (8) set up in horizontal atress reinforcing bar (7) upper end and with horizontal atress reinforcing bar (7) fixed connection, anchor steel sheet (13) bottom and horizontal atress reinforcing bar (7) fixed connection.
3. A roof-suspended early-dismantling system as claimed in claim 2, wherein: the middle part of the water stop screw rod (11) is provided with a water stop sheet (14) perpendicular to the water stop screw rod (11), the water stop sheet (14) is of a circular or polygonal structure, and the diameter of the water stop sheet (14) is 1-3 times that of the water stop screw rod (11).
4. A roof-suspended early-dismantling system as claimed in claim 2, wherein: the external part (2) comprises a water stop screw rod outer rod (21) detachably connected with the cone nut (12) and a disc nut (22) in threaded connection with the water stop screw rod outer rod (21), and the disc nut (22) is arranged at the upper end of the cross beam (6).
5. The roof-suspended early demolition system as claimed in claim 4, wherein: the disc nut (22) comprises a polygonal nut (221) and a bottom disc (222) integrally formed with one end of the nut (221), one side of the bottom disc (222) of the disc nut (22) faces the cross beam (6), and the diameter of the bottom disc (222) is 5-6 times that of the water stop screw outer rod (21).
6. The roof-suspended early demolition system as claimed in claim 1, wherein: the longitudinal support rods (5) comprise at least one group of longitudinally parallel I-shaped steel, and in the horizontal direction, the projection of the longitudinal support rods (5) is located in the center of the side wall of the concrete member.
7. The roof-suspended early demolition system as claimed in claim 1, wherein: the cross beam (6) comprises a plurality of groups of transverse double-spliced I-shaped steel arranged at longitudinal intervals, and the two I-shaped steel of each group are fixedly connected through a plurality of connecting steel plates (9).
8. The roof-suspended early demolition system as claimed in claim 5, wherein: the pedestal (3) comprises a vertical support (31) and a horizontal support (32) connected with the vertical support (31), and the height of the vertical support (31) is greater than that of the disc nut (22); the water stop screw outer rod (21) penetrates out of the middle part of the horizontal support (32) and is detachably connected with the tensioning device (4) in a threaded mode.
9. The roof-suspended early demolition system as recited in claim 8, wherein: the tensioning device (4) comprises a jack connected with the water stop screw outer rod (21) and an oil pump for controlling the jack to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121536196.8U CN215107369U (en) | 2021-07-07 | 2021-07-07 | Roof suspension type early-dismantling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121536196.8U CN215107369U (en) | 2021-07-07 | 2021-07-07 | Roof suspension type early-dismantling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215107369U true CN215107369U (en) | 2021-12-10 |
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ID=79314329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121536196.8U Active CN215107369U (en) | 2021-07-07 | 2021-07-07 | Roof suspension type early-dismantling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215107369U (en) |
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2021
- 2021-07-07 CN CN202121536196.8U patent/CN215107369U/en active Active
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