CN108894513B - Prefabricated wallboard temporary positioning support system based on construction platform and construction method thereof - Google Patents
Prefabricated wallboard temporary positioning support system based on construction platform and construction method thereof Download PDFInfo
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- CN108894513B CN108894513B CN201810736023.7A CN201810736023A CN108894513B CN 108894513 B CN108894513 B CN 108894513B CN 201810736023 A CN201810736023 A CN 201810736023A CN 108894513 B CN108894513 B CN 108894513B
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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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
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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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Abstract
A prefabricated wallboard temporary positioning support system based on a construction platform and a construction method thereof comprise a support piece arranged above a wallboard to be installed, a node connecting piece arranged above an internal cast-in-place column, an outer wall connecting piece arranged above a structure peripheral cast-in-place column, an auxiliary beam close to the structure periphery and the like. The support pieces are connected with the node connecting pieces to form a grid structure, and are connected with the auxiliary beam through the outer wall connecting pieces, and the auxiliary beam is connected with the platform. The node connecting pieces and the support pieces form an inner wall hoisting channel, and the outer wall connecting pieces, the support pieces and the auxiliary beams form an outer wall hoisting channel. The support pieces are connected by the screw rod, so that the combination of the support pieces with different sizes can be realized conveniently through modulization; the rigidity of the structure is controlled by adding diagonal draw bars between the support pieces, horizontally connecting steel pipes, connecting the main beam and the auxiliary beam with the platform in a multi-position mode and the like. The positioning support system is suitable for different building structure layouts or special component installation sizes, and automatic temporary positioning of the prefabricated wall board is achieved.
Description
Technical Field
The invention relates to the field of assembly type building construction equipment, in particular to a prefabricated wallboard temporary positioning support system based on a construction platform and a construction method thereof.
Background
The assembly type building construction is generally divided into the steps of hoisting and positioning components, adjusting and fixing, connecting structures and the like. In the prior art, when the reinforced concrete wallboard is installed, manual adjustment is needed, and then a plurality of supporting ejector rods are used for fixing the prefabricated part and the finished main body structure. The construction method is time-consuming and labor-consuming, and the arranged support rods can affect the space required by the subsequent operation.
In order to improve the working efficiency and the construction safety level, the assembly type building construction should realize automatic hoisting installation. The lifting special construction platform and the portal crane for hoisting the members can realize the accurate positioning of the reinforced concrete floor slabs and the wallboards. On the basis, the temporary positioning support is arranged on the special construction platform to temporarily fix the green spots in place, so that the reinforced concrete wallboard is prevented from being directly fixed with a finished main body, and the automation of adjusting and positioning the reinforced concrete wallboard is facilitated. However, the problem of rigidity of the positioning member under the condition of large span of the platform needs to be solved, and the problem of the mounting requirements of the positioning member on special members such as the size of a compartment and a balcony and the like of different building structural layouts also needs to be solved.
Disclosure of Invention
The invention aims to provide a temporary positioning support system of a prefabricated wall panel based on a construction platform and a construction method thereof, which solve the problem of rigidity of a positioning member under the condition of large platform span in the process of installing a temporary positioning support on a special construction platform and also solve the problems of installation requirements of the positioning member on special members of different building structure layouts such as bay size, balconies and the like.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a prefabricated wallboard temporary location support system based on construction platform, the locating support is located in the space that platform girder frame encloses to close and forms, the platform is around the closed lift platform that building round level set up, its characterized in that: the positioning support consists of a support piece arranged above a wallboard to be installed on the construction layer, a node connecting piece arranged above a cast-in-place column in the structure, an outer wall connecting piece arranged above the cast-in-place column at the periphery of the structure and an auxiliary beam arranged close to the periphery of the structure; the support pieces are plane frames which are vertically installed, adjacent support pieces in the support pieces are connected through node connecting pieces, peripheral support pieces are connected with the main and auxiliary beams and the secondary and auxiliary beams through outer wall connecting pieces, and the main and auxiliary beams are connected with the platform to form a three-dimensional grid structure; the support pieces and the node connecting pieces jointly enclose to form a plurality of wallboard mounting channels with rectangular cross sections for the wallboard to be mounted to be hoisted from top to bottom; the outer wall connecting piece, the support piece and the auxiliary beam are enclosed together to form a plurality of wallboard mounting channels with rectangular horizontal sections, and the wallboard mounting channels are used for the outer wall to be hoisted from top to bottom; the bottom of the support piece is provided with a clamping device, and the clamping devices on the two sides simultaneously clamp the middle wall plate or the outer wall to be installed to realize temporary fixation.
The support pieces are plane frames which are vertically installed, are combined by double-connected support pieces, and are formed by performing modular combination on the two double-connected support pieces according to the size of a bay and the length of a wallboard; the upper corner and the lower corner of the outer sides of the two double-connection support pieces are respectively provided with a first lug plate which is used for being connected with a pin shaft of the node connecting piece; the upper corner and the lower corner of the inner side are provided with nuts, overhanging steel pipes and diagonal ear plates, the nuts are arranged at the end parts of the upper main limb and the lower main limb of the support piece, and the overhanging steel pipes are arranged perpendicular to the plane of the support piece; the connecting holes of the diagonal ear plates are positioned at the inner sides of the upper and lower main limbs, and the two double-connection support pieces are connected by a screw rod arranged between the horizontally corresponding nuts to realize the connection of the upper and lower chord rods; connecting steel pipes are arranged between the horizontally corresponding overhanging steel pipes and are connected with the overhanging steel pipes through steel pipe fasteners; the two diagonal ear plates which are diagonally opposite to each other are connected by a screw buckle.
Further preferably, the support piece is a single support piece which is vertically installed, and four corners of the outer side of the single support piece are provided with first lug plates which are used for being connected with the node connecting pieces through pin shafts.
Preferably, the node connecting piece is a cross node connecting piece, a T node connecting piece or a one-byte point connecting piece, is of a general column structure, and the corners are provided with the ear plates II; the connecting ear plates are divided into an upper layer and a lower layer corresponding to the connecting positions of the upper chord and the lower chord of the support sheet, and the connecting structure between the two layers of ear plates is of a solid web structure or a lattice structure; the first lug plate of the support piece is connected with the second lug plate of the node connecting piece through a pin shaft.
Preferably, the clamping device is fixed at the lower part of the support piece through a clamping device mounting upright post, is vertically positioned at the upper part of the wallboard to be mounted, and is horizontally positioned in the middle of the mounting wallboard; the clamping device is characterized in that the mounting upright post of the clamping device is vertically arranged, a positioning hole is formed in the height position of the connecting steel pipe, and the positioning and the fixing of the clamping device are realized by inserting two connecting steel pipes; the clamping device is arranged at the bottom end of the mounting upright post, and the foremost end of the clamping device is provided with a mandril which can move back and forth, and the mandril is vertical to the plane of the support sheet.
Preferably, the connection between the support pieces and the joint connecting piece further comprises a horizontal diagonal draw bar with an anti-twisting function, wherein the horizontal diagonal draw bar is positioned between two vertically adjacent double-connection support piece combinations, is arranged between the upper and lower chord connecting steel pipes, and is fixed with the connecting steel pipes by steel pipe fasteners.
Preferably, the support pieces are connected with the auxiliary beam through an outer wall connecting piece, an outer clamping sleeve and a long screw; the outer wall connecting piece is a deformation of a cross-shaped node connecting piece, H-shaped steel is additionally arranged between two layers of lug plates of the cross-shaped node connecting piece, one side of the H-shaped steel is of a vertical structure the same as that of the cross-shaped node connecting piece, a third lug plate is arranged on the H-shaped steel, and a positioning pipe or a positioning plate is welded on the other side of the H-shaped steel to form a ']' -shaped clamping sleeve which is sleeved on; the outer cutting sleeve is of a [ -shaped structure and is arranged on the opposite side of the [ -shaped cutting sleeve on the auxiliary beam structure; the long screw rods are connected between the clamping sleeves at the two sides for fastening.
Preferably, the secondary beam is a truss with a rectangular cross section, is an external frame of the temporary positioning support system, and comprises a main secondary beam and a secondary beam, wherein the two main secondary beams are respectively connected with the main beam of the platform, and the two secondary beams are positioned between the two main secondary beams and are connected with the main secondary beams; the upper chord of the end part of the secondary beam is provided with a connecting plane frame, the two sides of the frame in the width direction are provided with upper connecting plates, the upper chord of the main beam and the secondary beam is provided with lower connecting plates, the upper connecting plates and the lower connecting plates are provided with a plurality of groups of crisscross waist-shaped holes, and each crisscross position of the upper connecting plates and the lower connecting plates is fixed by penetrating a bolt; and a detachable lower pull rod is arranged between the two end parts of the secondary auxiliary beam and below each lower chord.
Furthermore, the middle position of the main beam and the auxiliary beam is connected with the main beam of the platform through a pin shaft which is adjusted by using telescopic sleeves; the lower chord of the middle position of the main beam and the auxiliary beam is provided with socket steel pipes at intervals, the socket steel pipes are connected with the outer sleeve steel pipe of the lower chord of the main beam of the platform in an inserting way, and a plurality of adjusting holes are arranged and fixed corresponding to the pin shafts; the end part of the main and auxiliary beams is connected with the main beam of the platform through bolts with a plurality of groups of connecting holes for adjusting positions; the end parts of the main and auxiliary beams and the corresponding positions of the platform main beam are respectively provided with a first bolt connecting plate and a second bolt connecting plate, and a plurality of connecting holes are respectively arranged on the first bolt connecting plate and the second bolt connecting plate and are in adjustable connection through bolts.
The construction method of the prefabricated wallboard temporary positioning support system based on the construction platform is characterized by comprising the following steps of:
step one, determining a construction scheme: determining the size of the platform, the positions of the main beam and the auxiliary beam, the positions of the auxiliary beam, the positioning support pieces and the node connecting piece according to the structural design parameters of the building;
step two, connecting the main secondary beam and the secondary beam: after the lifting construction platform is built, firstly inserting all socket steel pipes of the main beam and the auxiliary beam into outer sleeve steel pipes of a platform main beam, preliminarily fixing connecting bolts of the end parts of the main beam and the auxiliary beam and a main beam, then preliminarily fixing connecting bolts of the end parts of the auxiliary beam and the main beam and the auxiliary beam, connecting lower pull rods of the auxiliary beam and applying designed pretightening force, and after the pin shaft connection of the main beam and the auxiliary beam with a lower chord telescopic steel pipe of the platform main beam is completed, fastening the connecting bolts of the end parts of the main beam and the auxiliary beam and the connecting bolts of the end parts of the auxiliary beam and the main beam and the auxiliary beam;
step three, mounting a support piece: connecting an outer wall connecting piece with a main auxiliary beam or a secondary auxiliary beam, then connecting a support piece with a node connecting piece, installing a connecting steel pipe and a clamping device, installing an upright post, a screw buckle and a horizontal diagonal draw bar, and gradually expanding to complete the installation of all the support pieces and the node connecting piece;
step four, installing a clamping device: installing a clamping device at the position of the installation upright post;
fifthly, confirming the height of the platform, namely confirming that the height of the platform meets the condition that the lower chord of the support piece of the temporary positioning support exceeds the fixed upper surface of the wallboard to be installed, preferably clamping the wallboard to be installed by a clamping device, and lifting the platform to adjust the height if necessary;
step six, hoisting the wallboard: hoisting a wallboard to be installed on one side, vertically and downwards loading the wallboard into an appointed position of the wallboard from the upper part of the temporary positioning support and an installation channel between two support sheets, adjusting the position and the posture of the wallboard, and clamping the wallboard by using a clamping device to finish the hoisting of all wallboards in sequence;
seventhly, finishing the installation of the wallboard: completing the connection of all prefabricated structural members and the existing structure and the pouring of a post-pouring structure, and completing the installation of the concrete wallboard;
step eight, platform shifting: loosening the clamping device, lifting the platform to a certain height to meet the requirement of fixing the wallboard of the next construction layer, and if the structure of the next construction layer changes, adjusting the positioning support, otherwise, not adjusting;
and step nine, disassembling the support and descending the platform, namely disassembling and transporting the positioning support to the ground after the wallboard at the uppermost layer is installed, and then descending the platform to the ground, so that the construction is finished.
Compared with the prior art, the invention has the technical advantages that:
1. the support pieces are connected with each other by the screw, so that the support pieces with different sizes can be combined conveniently through modulization, the size of the support pieces in the horizontal direction can be adjusted conveniently, and the problem of difficult installation caused by processing and installation errors is solved. The anti-twisting of the diagonal draw bar is combined, and the steel pipe parallel to the screw is used for bearing horizontal force, so that the problem of structural strength of the support piece is solved;
2. the auxiliary beam with a small cross section is used as the transition for connecting the positioning support and the construction platform, the main and auxiliary beams are combined and connected with the platform at a plurality of positions in the middle by adopting end surfaces, and the auxiliary beam is reinforced by adopting a lower pull rod, so that the problems of horizontal and vertical bidirectional displacement and torsion of the auxiliary beam are solved, and a foundation is laid for deformation control of a support sheet grid structure;
3. the connection of the auxiliary beam and the main beam, and the connection of the main and auxiliary beams and the auxiliary beam all adopt pin shaft or bolt connection structures which are convenient for size combination adjustment, and the auxiliary beam truss also adopts modular combination design.
By combining the measures, the invention effectively improves the adaptability of the device to the installation requirements of special components of different building structure layouts, such as bay sizes, balconies and the like, and realizes the automatic temporary positioning of the prefabricated wall panel.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the invention, and in which:
FIG. 1 is an overall top view schematic diagram of a construction platform based prefabricated wall panel temporary positioning support system according to the present invention;
FIG. 2 is a schematic elevation structure view of a temporary positioning support system for prefabricated wall panels based on a construction platform according to the present invention;
FIG. 3 is a schematic structural view of a single stent sheet according to the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a right side view of FIG. 3;
FIG. 6 is a schematic view showing the relative installation positions of the bracket pieces and the wall panel to be installed;
FIG. 7 is a schematic structural view of a cross-node connection according to the present invention;
FIG. 8 is a schematic structural view of a T-node connection according to the present invention;
FIG. 9 is a schematic diagram of a one-byte-point connector according to the present invention;
FIG. 10 is a schematic cross-sectional view taken along line A-A of FIG. 8;
FIG. 11 is a schematic view of a connection joint of a bracket piece and a secondary beam according to the present invention;
FIG. 12 is a schematic top view of the structure of FIG. 11;
FIG. 13 is a schematic view of the end connection of the platform main and secondary beams according to the present invention;
FIG. 14 is a schematic view of the second bolted connection plate on the platform girder of FIG. 13;
FIG. 15 is a schematic view of the mid-point connection of the primary and secondary platform beams of the present invention;
FIG. 16 is a schematic view of a connection joint of a primary and secondary girder according to the present invention;
fig. 17 is a top view of fig. 16.
Reference numerals: 1-support piece, 1.1-screw rod, 1.2-nut, 1.3-connecting steel pipe, 1.4-steel pipe fastener, 1.5-lug plate I, 1.6-overhanging steel pipe, 1.7-screw buckle, 1.8-diagonal lug plate, 1.9-clamping device mounting upright post, 2-node connecting piece, 2.1-lug plate II, 3-main and auxiliary beam, 3.1-bolt connecting plate I, 3.2-bell and spigot steel pipe, 3.3-lower connecting plate, 4-auxiliary beam, 4.1-connecting plane frame, 4.2-upper connecting plate, 4.3-lower pull rod, 5-platform, 5.1-bolt connecting plate II, 5.2-outer sleeve steel pipe, 6-horizontal diagonal pull rod, 7-to-be-mounted wallboard, 8-clamping device, 8.1-ejector rod, 9-column, 10-outer wall connecting piece, cast-in-place concrete, 10.1-ear plate III, 10.2- "]" shape cutting sleeve, 10.3-H shaped steel, 11-outer cutting sleeve and 12-long screw rod.
Detailed Description
Hereinafter, embodiments of a construction platform-based prefabricated wall panel temporary location bracket system and a construction method thereof according to the present invention will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein. The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
Like fig. 1 and fig. 2, a temporary location support system of prefabricated wallboard based on construction platform, in 5 girder frame of locating support locates the space that the platform encloses to close and forms, platform 5 is around the setting of building round level, its characterized in that: the positioning support comprises support pieces 1 arranged above a wall plate 7 to be installed on a construction layer, a node connecting piece 2 arranged above a cast-in-place column 9 in the structure, an outer wall connecting piece 10 arranged above a cast-in-place column on the periphery of the structure, a main beam and an auxiliary beam 3 close to the periphery of the structure and the like. The support piece 1 is connected with the node connecting piece 2 and the outer wall connecting piece 10, is connected with the main and auxiliary beams 3 and the auxiliary beam 4 through the outer wall connecting piece 10, and the main and auxiliary beams 3 are connected with the platform 5 to form a grid structure. The node connecting pieces 2 and the support pieces 1 connected with the node connecting pieces form a plurality of spaces with rectangular horizontal sections, gaps are formed in the outer edges of the cross sections of the wall boards 7 to be installed relative to each side, the size of each gap allows the wall boards to vertically descend from the upper portions of the support pieces without touching by using a hoisting tool, the wall boards reach installation positions after passing through the spaces of the rectangular sections, and then the wall boards are clamped by using clamping devices 8 symmetrically arranged at the lower portions of the two support pieces 1, so that the temporary fixation is realized. Similar to the above, the outer wall connecting piece 10, the support pieces and the auxiliary beams form a plurality of rectangular horizontal section spaces, and the rectangular horizontal section spaces can be used for hoisting and passing the outer wall with the outer heat insulation layer and implementing temporary positioning. As described above with reference to figures 3, 4, 5 and 6. Clamping device 8 passes through clamping device installation stand 1.9 to be fixed in 1 lower part of support piece and is located and treats installation wallboard 7 upper portion, and the horizontal direction is located and treats installation wallboard 7 middle part. The clamping device mounting upright columns 1.9 are vertically arranged, positioning holes are formed in the height positions of the connecting steel pipes 1.3, and the fixing of the clamping device mounting upright columns in the vertical direction and the direction perpendicular to the plane of the support piece is realized by inserting the two connecting steel pipes 1.3; the clamping device 8 is arranged at the bottom end of the mounting upright post 9, the foremost end of the clamping device is provided with a mandril 8.1 which can move back and forth, and the mandril 8.1 is vertical to the plane of the support sheet. As in fig. 4 and 6 above.
Wherein, like fig. 3, 4 and 5, the support piece is the plane frame of vertical installation, carries out the modularization combination for 2 doubly-linked support pieces according to opening size and wallboard length usually, and when the short 2 doubly-linked support piece combinations of being not convenient for use of required linking support piece length, adopt single support piece. 2 corners outside one end of the double-connection support sheet are provided with ear plates 1.5 which are used for being connected with the node connecting piece 2 through a pin shaft; and the outer side of the other end is provided with a nut 1.2, an overhanging steel pipe 1.6 and a second lug plate 2.1 which are used for being connected with the other doubly-linked support piece. The nut 1.2 is arranged at one end of the planar frame of the support piece in the length direction, and the axis of the nut is positioned on the upper chord-shaped mandrel and the lower chord-shaped mandrel of the frame; the overhanging steel pipe 1.6 is arranged at one end of the support piece plane frame nut 1.2 and is vertical to the support piece plane; the diagonal ear plate 1.8 is arranged at one end of the bracket piece plane frame nut and the connecting hole thereof is positioned at the inner side of the upper and lower main limbs. When 2 doubly-linked support plates are combined, the chord member connection is realized by using a screw 1.1 with forward and reverse threads and a connecting nut 1.2; the connecting steel pipe 1.3 is connected with the overhanging steel pipe 1.6 through a steel pipe fastener 1.4 to realize the transmission of lateral force, and the length direction is adjusted through the connection of a screw and the fastener to adapt to the change of the bay size and the error adjustment within a certain modulus range; a pair of diagonal ear plates which are obliquely opposite to each other are connected by the turnbuckles, so that the transmission of vertical force is realized. Four corners of the outer side of the single support piece 1 are provided with ear plates 1.5 which are connected with the node connecting piece 2 through pin shafts. The connection of the bracket pieces and the joint connecting pieces further comprises horizontal diagonal draw bars 6, the horizontal diagonal draw bars 6 are arranged between the vertically adjacent 2 doubly-linked bracket piece combinations, diagonal draw steel pipes are respectively arranged between the upper and lower chord connecting steel pipes and are fixed by fasteners, and the anti-twisting effect is achieved.
As shown in fig. 7, 8 and 9, the node connecting pieces 2 include cross node connecting pieces, t-shaped node connecting pieces and one-byte node connecting pieces, and are selectively connected with the support pieces 1 as required by a pin shaft. The connecting ear plate of the node connecting piece is divided into an upper layer and a lower layer corresponding to the connecting position of the upper chord and the lower chord of the bracket piece 1, and the axis of the connecting hole is positioned on the horizontal plane. Each layer of the cross-shaped node connecting piece is 8 connecting lug plates, wherein 2 lug plates are in a group and are distributed in a cross shape along the circumference. The connecting structure between the two layers of ear plates is a solid web structure or a lattice structure. T-shaped node connecting piece and one byte point connecting piece are simplified by respectively reducing 1 group of connecting lug plates and 2 groups of connecting lug plates on the basis of the cross-shaped node connecting piece.
The support piece 1 is connected with the auxiliary beam through an outer wall connecting piece 10, an outer clamping sleeve 11 and a long screw 12. The exterior wall connection 10 is a variant of a cross-node connection: a cross node connecting piece is split along a cross symmetrical axis parallel to the lug plates, a lug plate III 10.1 is arranged at one end, a cut-away part is replaced by H-shaped steel 10.3, positioning pipes or positioning plates are welded at two ends of the H-shaped steel to form a ']' -shaped clamping sleeve 10.2, and the clamping sleeve is sleeved on the outer edges of the upper chord and the lower chord of the side plate structure of the auxiliary beam; the outer cutting sleeve is of a [ -shaped structure and is arranged on the opposite side of the [ ] -shaped cutting sleeve; the long screw 12 is connected between the positioning pipes or the positioning plates at the two sides for fastening. As shown in fig. 1, 11 and 12.
In addition, the secondary beam is a rectangular section truss and is an external framework of the temporary positioning support system. The platform comprises main and auxiliary beams 3 and secondary and auxiliary beams 4, wherein the two main and auxiliary beams 3 are respectively connected with a main beam of the platform 5, and the two secondary and auxiliary beams 4 are positioned between the two main and auxiliary beams 3 and are connected with the main and auxiliary beams 3. As in fig. 1. The main and auxiliary beams 3 and the main beam of the platform 5 are connected by a pin shaft which is adjusted by telescopic sleeve. The middle lower chord of the main beam 3 and the auxiliary beam is provided with a plurality of socket steel pipes 3.2 at intervals, the socket steel pipes and the outer steel pipes are provided with a plurality of pin shaft connecting holes which correspond to each other, so that the length of the socket steel pipes inserted into the outer steel pipes can be adjusted in a modular manner, after the socket steel pipes are adjusted in place, the two ends of the outer steel pipes are provided with connecting holes which are opposite to the connecting holes on the socket steel pipes, and 1 pin shaft is respectively inserted into the connecting holes for fixed connection, as shown in figure 1 and figure 15. The end parts of the main and auxiliary beams 3 and the main beam of the platform 5 are connected by bolts which are adjusted by using a plurality of groups of connecting hole positions. The section of the end part of the main beam and the auxiliary beam 3 changes to adapt to the height of the main beam and is provided with a first bolt connecting plate 3.1, and the upper chord and the lower chord of the main beam of the platform are provided with a second bolt connecting plate 5.1 at a preset connecting position. Each connecting plate 5.1 on the main beam is provided with a plurality of groups of bolt connecting through holes along the length direction of the main beam, and 1 group of connecting holes are selected to be connected according to the position change requirement of the auxiliary beam, as shown in figures 1, 13 and 14. The upper chord of the end part of the secondary beam 4 is provided with a connecting plane frame 4.1, the two sides of the frame in the width direction are provided with upper connecting plates 4.2, the upper chord of the primary beam 3 is provided with a lower connecting plate 3.3, the upper connecting plates 4.2 and the lower connecting plates 3.3 are provided with a plurality of groups of criss-cross waist-shaped holes, and when the distance between the end part of the secondary beam and the primary beam and the connecting position of the secondary beam relative to the length direction of the primary beam are adjusted according to modulization, 4 bolts penetrate through each criss-cross position of the upper connecting plate 4.2 and the lower connecting plate 3.3 for fixation; between the two ends of the secondary beam 4, a detachable lower pull rod 4.3 is arranged at the lower part of each lower chord, as shown in figures 1, 16 and 17.
The construction method of the prefabricated wallboard temporary positioning support system based on the construction platform comprises the following steps:
step one, determining the size of a construction platform, the position of a main beam and an auxiliary beam, the position of the auxiliary beam, a positioning support piece and a node connecting piece according to the structural design parameters of a building.
And step two, connecting the primary and secondary beams. And after the lifting construction platform is erected, installing the main and auxiliary beams and the secondary and auxiliary beams according to design. Firstly, all the socket steel pipes of the main beam and the auxiliary beam are inserted into the steel pipe sleeved outside the main beam, the connecting bolts of the end parts of the main beam and the auxiliary beam are connected preliminarily, then the connecting bolts of the end parts of the auxiliary beam and the main beam and the auxiliary beam are connected preliminarily, the lower pull rod of the auxiliary beam is connected, and the designed pretightening force is applied. After the pin shaft connection of the main and auxiliary beams and the main beam lower chord telescopic steel pipe is finished, the connecting bolt of the end part of the main and auxiliary beams and the main beam and the connecting bolt of the end part of the auxiliary beam and the end part of the main and auxiliary beams are fastened.
And step three, mounting a support sheet. And connecting the outer wall connecting piece with the main auxiliary beam or the secondary auxiliary beam, and then connecting the support piece with the node connecting piece. And taking the bay as a unit, adjusting the size in the horizontal direction by adjusting the connecting screw rod if necessary, enabling the position of the node connecting piece to meet the design requirement, and installing the connecting steel pipe, the upright column, the bolt buckle and the diagonal steel pipe. And gradually expanding to complete the installation of all the support pieces and the node connecting pieces.
And step four, mounting a clamping device. And installing a clamping device at the position of the installation upright post.
And step five, confirming the height of the platform. Confirming that the height of the platform 5 meets the condition that the lower chord of the support sheet 1 of the temporary positioning support exceeds the upper surface of the fixed wallboard 7 to be installed, preferably enabling the clamping device 8 to clamp the wallboard 7 to be installed, and lifting the platform to adjust the height if necessary;
and step six, hoisting the wallboard. And hoisting the concrete prefabricated wall plate on one side, and vertically and downwards loading the concrete prefabricated wall plate into the designated position of the concrete prefabricated wall plate from the upper part of the temporary positioning support and the mounting channel between the two support sheets. The position and posture of the device are adjusted and clamped by a clamping device. And hoisting all the wall boards in sequence.
And step seven, finishing the installation of the wallboard. And finishing the connection of all prefabricated structural members and the existing structure and the pouring of the post-cast structure. And finishing the installation of the concrete wall panel.
And step eight, lifting the platform. And loosening the clamping device, and lifting the platform to a certain height to meet the wallboard fixing requirement of the next construction layer. If the structure of the next construction layer changes, the positioning support needs to be adjusted, otherwise, the adjustment is not needed.
And ninthly, disassembling the bracket and descending the platform. After the wallboard of the top floor is installed, dismantle the transfer of positioning support and transport to ground, then descend the platform to ground.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a temporary location support system of prefabricated wallboard based on construction platform, the locating support is located in platform (5) girder frame encloses the space that closes and form, platform (5) are around the closed lift platform of building round level setting, its characterized in that: the positioning support consists of a support piece (1) arranged above a wallboard (7) to be installed on a construction layer, a node connecting piece (2) arranged above a cast-in-place column (9) in the structure, an outer wall connecting piece (10) arranged above the cast-in-place column at the periphery of the structure and a main beam and an auxiliary beam (3) arranged close to the periphery of the structure; the support pieces (1) are plane frames which are vertically installed, the adjacent support pieces (1) in the support pieces are connected through node connecting pieces (2), the peripheral support pieces (1) are connected with the main and auxiliary beams (3) and the auxiliary beam (4) through outer wall connecting pieces (10), and the main and auxiliary beams (3) are connected with the platform (5) to form a three-dimensional grid structure; the support pieces (1) and the node connecting pieces (2) are enclosed together to form a plurality of inner wall mounting channels with rectangular cross sections for the wall boards (7) to be mounted to be hoisted from top to bottom; the outer wall connecting pieces (10), the support pieces (1) and the main and auxiliary beams (3) jointly enclose to form a plurality of outer wall installation channels with rectangular horizontal sections, and the outer walls are hoisted from top to bottom to pass through; clamping device (8) are established to support piece (1) bottom position, and clamping device (8) of both sides are used for pressing from both sides tight middle wallboard (7) or the outer wall of waiting to install simultaneously, realize its temporary fixation.
2. The temporary positioning support system for the prefabricated wall panel based on the construction platform is characterized in that the support pieces (1) are plane frames which are vertically installed, are a double-connection support piece combination and are formed by combining two double-connection support pieces in a modular mode according to the size of a bay and the length of the wall panel; the upper corner and the lower corner of the outer sides of the two double-connection support sheets are respectively provided with a first lug plate (1.5) which is used for being connected with a pin shaft of the node connecting piece (2); the upper corner and the lower corner of the inner side are respectively provided with a nut (1.2), an overhanging steel pipe (1.6) and a diagonal ear plate (1.8), the nuts (1.2) are arranged at the end parts of the upper main limb and the lower main limb of the support piece, and the overhanging steel pipes (1.6) are arranged perpendicular to the plane of the support piece; the connecting holes of the diagonal ear plates (1.8) are positioned at the inner sides of the upper and lower main limbs, and the two double-connected support pieces are connected by a screw rod (1.1) arranged between the horizontally corresponding nuts (1.2) to realize the connection of the upper and lower chord rods; connecting steel pipes (1.3) are arranged between the outwards extending steel pipes (1.6) which correspond to each other in the horizontal direction, and the connecting steel pipes (1.3) are connected with the outwards extending steel pipes (1.6) through steel pipe fasteners (1.4); two diagonal ear plates (1.8) which are diagonally opposite to the two double-connected bracket pieces are connected by a turnbuckle (1.7).
3. The temporary positioning support system for the prefabricated wall panel based on the construction platform is characterized in that the support pieces (1) are vertically installed single support pieces, and four corners of the outer side of each single support piece (1) are provided with first lug plates (1.5) for being in pin connection with the node connecting pieces (2).
4. The temporary positioning support system for the prefabricated wall panel based on the construction platform is characterized in that the node connecting pieces (2) are cross node connecting pieces, T node connecting pieces or one-byte node connecting pieces, are of column structures, and the corners of the column structures are provided with two lug plates (2.1); the connecting ear plate (2.1) is divided into an upper layer and a lower layer corresponding to the connecting position of the upper chord and the lower chord of the support sheet (1), and the connecting structure between the two layers of ear plates is of a solid web structure or a lattice structure; the ear plate I (1.5) of the bracket piece (1) is connected with the ear plate II (2.1) of the node connecting piece (2) through a pin shaft.
5. The temporary positioning support system for the prefabricated wall panel based on the construction platform is characterized in that the clamping device (8) is fixed at the lower part of the support sheet (1) through a clamping device mounting upright post (1.9), is vertically positioned at the upper part of the wall panel (7) to be mounted, and is horizontally positioned in the middle of the mounting wall panel (7); the clamping device is characterized in that the mounting upright post (1.9) of the clamping device is vertically arranged, a positioning hole is formed in the height position of the connecting steel pipe (1.3), and the positioning and the fixing of the connecting steel pipe are realized by inserting the two connecting steel pipes (1.3); the clamping device (8) is arranged at the bottom end of the mounting upright post (9), the foremost end of the clamping device is provided with a mandril (8.1) capable of moving back and forth, and the mandril (8.1) is vertical to the plane of the support piece.
6. The temporary positioning support system for the prefabricated wall panel based on the construction platform is characterized in that the connection between the support pieces (1) and the joint connecting piece (2) further comprises a horizontal diagonal draw bar (6) with an anti-twisting effect, wherein the horizontal diagonal draw bar (6) is positioned between two vertically adjacent double-connected support piece combinations, is arranged between connecting steel pipes (1.3) of upper and lower chords of the connecting steel pipes and is fixed with the connecting steel pipes (1.3) through steel pipe fasteners.
7. The temporary positioning support system for the prefabricated wall panel based on the construction platform is characterized in that the support pieces (1) are connected with the secondary beam through an outer wall connecting piece (10), an outer clamping sleeve (11) and a long screw (12); the outer wall connecting piece (10) is a deformation of a cross-shaped node connecting piece, H-shaped steel (10.3) is additionally arranged between two layers of lug plates of the cross-shaped node connecting piece, one side of the H-shaped steel (10.3) is of a vertical structure the same as that of the cross-shaped node connecting piece, a third lug plate (10.1) is arranged on the vertical structure, and a positioning pipe or a positioning plate is welded on the other side of the vertical structure to form a J-shaped clamping sleeve (10.2) which is sleeved on the outer; the outer cutting sleeve (11) is of a [ -shaped structure and is arranged on the opposite side of the [ -shaped cutting sleeve on the auxiliary beam structure; the long screw rods (12) are connected between the clamping sleeves at the two sides for fastening.
8. The temporary positioning support system for the prefabricated wall panels based on the construction platform is characterized in that the secondary beam is a rectangular-section truss and is an external frame of the temporary positioning support system and comprises a main secondary beam (3) and a secondary beam (4), the two main secondary beams (3) are respectively connected with a main beam of the platform (5), and the two secondary beams (4) are positioned between the two main secondary beams (3) and are connected with the main secondary beams (3); a connecting plane frame (4.1) is arranged at the upper chord of the end part of the secondary beam (4), upper connecting plates (4.2) are arranged on two sides of the frame in the width direction, lower connecting plates (3.3) are arranged on the upper chord of the primary beam and the secondary beam (3), a plurality of groups of crisscross waist-shaped holes are arranged on the upper connecting plates (4.2) and the lower connecting plates (3.3), and bolts penetrate through each crisscross position of the upper connecting plates (4.2) and the lower connecting plates (3.3) for fixing; and a detachable lower pull rod (4.3) is arranged between the two end parts of the secondary auxiliary beam (4) and below each lower chord.
9. The temporary positioning support system for the prefabricated wall panel based on the construction platform is characterized in that a pin shaft which is telescopically adjusted by using a sleeve is connected between the middle position of the main beam (3) and the main beam of the platform (5); socket steel pipes (3.2) are arranged at the lower chord interval in the middle of the main beam and the auxiliary beam (3), are connected with an outer sleeve steel pipe (5.2) of the lower chord of the main beam of the platform (5) in an inserting manner, and are provided with a plurality of adjusting holes which are fixed corresponding to the pin shafts; the end part of the main and auxiliary beam (3) is connected with the main beam of the platform (5) through bolts with a plurality of groups of connecting holes for adjusting positions; the end part of the main and auxiliary beam (3) is provided with a first bolt connecting plate (3.1) and a second bolt connecting plate (5.1) at the corresponding positions of the main beam of the platform (5), and the first bolt connecting plate and the second bolt connecting plate are respectively provided with a plurality of connecting holes and are adjustably connected through bolts.
10. The construction method of the prefabricated wall panel temporary positioning bracket system based on the construction platform as claimed in any one of the claims 1 to 9, which is characterized by comprising the following steps:
step one, determining a construction scheme: determining the size of a platform (5), the position of a main and auxiliary beam (3), the position of an auxiliary beam (4), a positioning support piece (1) and a node connecting piece (2) according to the structural design parameters of a building to set a combination scheme;
step two, connecting the main secondary beam and the secondary beam: after the lifting construction platform is built, firstly inserting all socket steel pipes (3.2) of a main beam and an auxiliary beam (3) into an outer sleeve steel pipe (5.2) of a main beam of the platform, preliminarily fixing connecting bolts of the end parts of the main beam and the auxiliary beam, then preliminarily fixing connecting bolts of the end parts of the auxiliary beam and the end parts of the main beam and the auxiliary beam, connecting lower pull rods of the auxiliary beam and applying designed pretightening force, and after the pin shaft connection of the main beam and the auxiliary beam with a lower chord telescopic steel pipe of the main beam of the platform is completed, fastening the connecting bolts of the end parts of the main beam and the auxiliary beam and the connecting bolts of the end parts of the auxiliary beam and the main beam and the auxiliary;
step three, mounting support pieces, namely connecting the outer wall connecting piece (10) with the main auxiliary beam or the auxiliary beam, then connecting the support pieces (1) with the node connecting pieces (2), mounting the connecting steel pipes (1.3) and the clamping devices to mount the upright columns (1.9), the turnbuckles (1.7) and the horizontal diagonal draw bars (1.6), and finishing the mounting of all the support pieces and the node connecting pieces;
step four, installing a clamping device (8), namely installing the clamping device (8) at the position of the installation upright post;
fifthly, confirming the height of the platform, namely confirming that the height of the platform (5) meets the condition that the lower chord of the support piece (1) of the temporary positioning support exceeds the upper surface of the fixed wallboard (7) to be installed, preferably clamping the wallboard (7) to be installed by a clamping device (8), and lifting the platform to adjust the height if necessary;
hoisting the wallboard, namely hoisting the wallboard (7) to be installed on one side, vertically and downwards loading the wallboard into an appointed position of the temporary positioning support from the upper part of the temporary positioning support and an installation channel between two support sheets, adjusting the position and the posture of the wallboard, and clamping the wallboard by using a clamping device (8), and sequentially completing the hoisting of all wallboards;
seventhly, finishing the installation of the wallboard, namely finishing the connection of all prefabricated structural parts and the existing structure and the pouring of a post-pouring structure to finish the installation of the concrete wallboard;
step eight, platform displacement, namely loosening the clamping device (8), lifting the platform (5) to a certain height to meet the requirement of fixing the wallboard of the next construction layer, and if the structure of the next construction layer changes, adjusting the positioning support, otherwise, not adjusting;
and step nine, disassembling the support and descending the platform, namely disassembling and transporting the positioning support to the ground after the wallboard at the uppermost layer is installed, and then descending the platform (5) to the ground, so that the construction is finished.
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| CN201810736023.7A CN108894513B (en) | 2018-07-06 | 2018-07-06 | Prefabricated wallboard temporary positioning support system based on construction platform and construction method thereof |
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| CN111962859A (en) * | 2020-07-22 | 2020-11-20 | 晟通科技集团有限公司 | Combination C groove and template combination |
| CN112267692B (en) * | 2020-10-23 | 2022-06-07 | 中国建筑第七工程局有限公司 | Assembly type building component hoisting comprehensive equipment and construction method thereof |
| CN114005643B (en) * | 2021-10-25 | 2023-03-31 | 中国十九冶集团有限公司 | Interim supporting platform of transformer |
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