CN111608400A - Prefabricated wallboard hoisting construction process based on positioning auxiliary tool - Google Patents
Prefabricated wallboard hoisting construction process based on positioning auxiliary tool Download PDFInfo
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- CN111608400A CN111608400A CN202010523527.8A CN202010523527A CN111608400A CN 111608400 A CN111608400 A CN 111608400A CN 202010523527 A CN202010523527 A CN 202010523527A CN 111608400 A CN111608400 A CN 111608400A
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- positioning
- prefabricated
- steel
- auxiliary tool
- steel frame
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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
- E04G21/162—Handles to carry construction blocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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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
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
- E04G21/147—Means in or on the elements for connecting same to handling apparatus specific for prefabricated masonry wall 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
- E04G21/167—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
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
Abstract
The invention discloses a prefabricated wallboard hoisting construction process based on a positioning auxiliary tool, which comprises the following steps: (1) preparation work before construction; (2) installing a positioning auxiliary tool; (3) the placement and installation of the prefabricated wall panel; (4) setting up a support system; (5) and (5) dismantling the positioning auxiliary tool. The method converts the alignment process of the steel bar sleeve which is difficult to observe into the outside which is easy to observe, improves the hoisting efficiency and precision of the wallboard, reduces the installation difficulty, saves the link of manual hoisting and protecting, and reduces the manual input in the hoisting process of the wallboard; improve the installation accuracy, guarantee the installation quality of wallboard, and then promote the engineering quality.
Description
Technical Field
The invention relates to a prefabricated wallboard hoisting construction process based on a positioning auxiliary tool, and belongs to the field of assembly type building wallboard hoisting connection of civil engineering disciplines.
Background
In fabricated buildings, the hoisting of prefabricated wall panels is an important difficulty. The prefabricated wall panel is popularized and applied by countries and regions with the advantages of high construction quality, high production efficiency, low energy consumption, reduction of environmental pollution and the like. Meanwhile, the prefabricated wallboard shows some problems in the process of popularization and application of engineering due to the limitation of hoisting.
In the traditional prefabricated wallboard hoisting process of china, the wallboard descends in the hoist and mount, and the sleeve position of wall body bottom and the counterpoint condition of reserving the reinforcing bar are difficult to observe, need constructor to pay close attention to both positions with the help of small circle mirror, adjust the correction repeatedly to make the wallboard can the accuracy installation. However, due to the large size and weight of the prefabricated wall panel, it is difficult to control the movement of the wall panel in the correction process and to maintain the stability of the wall panel in the hoisting process. Therefore, in the process of hanging and falling the hole on the wall plate, the wall plate needs to be repeatedly moved by a human command tower crane to align the reinforcing steel bar with the sleeve, and the installation and the operation are very inconvenient. Therefore, the prefabricated wall panel has the following defects in the hoisting process:
1. the installation difficulty is large. The wall body volume, weight are too big, and the manual work is counterpointed the degree of difficulty and is high, and reinforcing bar and sleeve are difficult to counterpoint.
2. The positioning efficiency is low. The relative position of reinforcing bar and telescopic is observed to the people with small circle mirror, commands the tower crane again and carries out the adjustment of position, and artifical input is high, and the hoist and mount process of falling position is consuming time and is hard.
3. The mounting accuracy is low. The error of manual command and mechanical operation and the difficult visibility of counterpoint the condition influence the installation accuracy greatly, and then influence whole engineering quality.
At present, aiming at the defects displayed in the hoisting process of the prefabricated wallboard of the fabricated building, a method is urgently needed to solve the problems of high difficulty in wallboard installation, low hoisting and falling efficiency and low wallboard installation precision.
Disclosure of Invention
The invention aims to provide a prefabricated wallboard hoisting construction process based on a positioning auxiliary tool, and aims to reduce the installation difficulty of a prefabricated wallboard, improve the hoisting efficiency and the installation precision of the prefabricated wallboard, quickly and accurately realize the alignment of a sleeve at the bottom of the prefabricated wallboard and a reserved steel bar, and provide a convenient and reliable hoisting auxiliary tool for the application of the prefabricated wallboard in an assembly type building.
In order to achieve the above purpose, the invention provides the following technical scheme:
a prefabricated wall panel hoisting construction process based on a positioning auxiliary tool comprises two positioning steel frame bottom plates, two folding steel frames and two positioning chutes, wherein small baffles are respectively arranged on the edges of two sides of each positioning steel frame bottom plate; the foldable steel frame comprises a steel shaft, a steel ball sleeve arranged at one end of the steel shaft and a plurality of sleeves which are sequentially and adjacently sleeved on the steel shaft, a slidable steel ball is embedded in the steel ball sleeve, and inclined support steel plates are welded on the outer surfaces of the sleeves, so that the inclined support steel plates can rotate around the steel shaft; the positioning sliding groove comprises a vertical sliding way with a circular arc-shaped cross section, the bottom of the vertical sliding way is provided with an opening, and the vertical sliding way is matched with the slidable steel ball;
the hoisting construction process comprises the following steps:
(1) preparation work before construction: prefabricating and parameter checking a target prefabricated plate and a prefabricated wallboard;
(2) installing a positioning auxiliary tool: fixedly mounting the positioning sliding grooves on the inner wall surface of the prefabricated wall board, fixedly mounting the positioning steel frame bottom plate on the target prefabricated board, and sequentially and alternately clamping the inclined support steel plates of the folding steel frame in the small baffles on the left side and the right side of the positioning steel frame bottom plate to complete the mounting of the folding steel frame;
(3) the position and the installation of prefabricated wallboard: when the prefabricated wallboard falls down, the slidable steel ball is controlled to enter the vertical slide way to complete alignment, and the prefabricated wallboard is slowly lowered;
(4) setting up a support system: after the prefabricated wall board is stabilized, erecting support systems on two sides of the prefabricated wall board to fix the prefabricated wall board;
(5) dismantling the positioning auxiliary tool: and detaching the positioning sliding groove, the positioning steel frame bottom plate and the folding steel frame.
Preferably, a plurality of target prefabricated slab reserved bolt holes are formed in the surface of the target prefabricated slab, a plurality of positioning steel frame bottom plate reserved bolt holes are formed in the surface of the positioning steel frame bottom plate, the target prefabricated slab reserved bolt holes correspond to the positioning steel frame bottom plate reserved bolt holes, and the positioning steel frame bottom plate is fixedly connected to the surface of the target prefabricated slab through bolts.
Preferably, the sum of the lengths of all the sleeves on one folding steel frame is equal to the length of the bottom plate of the positioning steel frame; and two ends of the small baffle are respectively provided with a baffle.
Preferably, two ends of the steel shaft are respectively provided with a limiting bulge so as to limit the axial degree of freedom of the sleeve.
Preferably, four sleeves and four inclined supporting steel plates are arranged on one folding steel frame.
Preferably, a funnel-shaped chute opening is formed in the bottom opening of the vertical chute.
Preferably, the positioning chute further comprises a chute back plate, and the vertical chute and the funnel-shaped chute opening are fixedly arranged on the chute back plate; the prefabricated wallboard is equipped with a plurality of prefabricated wallboard reserved bolt holes, the spout backplate is equipped with a plurality of spout backplate reserved bolt holes, prefabricated wallboard reserved bolt hole with spout backplate reserved bolt hole corresponds each other, the spout backplate passes through bolt fixed connection and is in prefabricated wallboard surface.
Preferably, the opposite lower part of the vertical slideway is provided with a transversely through bolt hole, and a high-strength positioning bolt penetrates through the bolt hole.
Preferably, a plurality of inclined support reserved bolt holes are formed in the opposite upper portion of the prefabricated wall board.
Preferably, the hoisting construction process further comprises the step (6): and plugging the reserved bolt hole by using micro-expansion concrete.
Compared with the prior art, the invention has the advantages that:
1. the invention is suitable for the hoisting alignment of the prefabricated wall panel. The auxiliary tool consisting of the positioning sliding groove, the folding steel frame and the positioning steel frame bottom plate converts the alignment process of the steel bar sleeve which is difficult to observe into the outside which is easy to observe, improves the hoisting efficiency and precision of the wallboard, and simultaneously reduces the installation difficulty.
2. The invention increases the stability of the prefabricated wall panel in the falling process, saves the manual hoisting link and reduces the manual investment in the wall panel hoisting process.
3. The invention reduces the error of the manual alignment of the prefabricated wall panel, improves the installation accuracy, ensures the installation quality of the wall panel and further improves the engineering quality.
4. The positioning auxiliary tool designed by the invention can be disassembled and folded, can be repeatedly used and saves the cost.
5. The invention provides a reliable connecting technology for the application of the prefabricated wall panel in the fabricated building, and is beneficial to the popularization and application of the prefabricated wall panel.
Drawings
Fig. 1 is a schematic view of the structural arrangement of the present invention.
FIG. 2 is a schematic view showing the construction of the object prefabricated panel of the present invention.
Fig. 3 is a schematic structural view of the prefabricated wall panel of the present invention.
Fig. 4 is a schematic structural view of the positioning steel frame base plate in the invention.
FIG. 5 is a schematic structural view of the folding steel frame of the present invention.
Fig. 6 is an enlarged schematic view of a in fig. 5.
Fig. 7 is an enlarged schematic view of B in fig. 5.
Fig. 8 is a schematic structural view of a positioning chute of the present invention.
Reference numbers in the figures: 1, reserving bolt holes for a target prefabricated plate and 11 target prefabricated plates; 2, prefabricating a wallboard, 21 prefabricating a reserved bolt hole of the wallboard, and 22 obliquely supporting the reserved bolt hole; 3, positioning a steel frame base plate, 31 steel plates, 32 positioning steel frame base plate reserved bolt holes, 33 small baffles, 34 hinges and 35 retaining pieces; 4, a folding steel frame, 41 steel shafts, 42 steel ball sleeves, 43 slidable steel balls, 44 sleeves, 45 inclined support steel plates and 46 limiting bulges; the positioning device comprises a positioning chute 5, a funnel-shaped chute opening 51, a vertical chute 52, bolt holes 53, high-strength positioning bolts 54, a chute back plate 55 and a chute back plate 56, wherein bolt holes are reserved in the chute back plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further specifically described below by way of embodiments in combination with the accompanying drawings.
Examples
Referring to fig. 1 to 8, in this embodiment, taking a prefabricated wall panel 2 with a length of 2.6m, a width of 3m, and a thickness of 2400mm and a target prefabricated panel 1 with a length of 2.6m, a width of 4m, and a thickness of 100mm as an example, in a prefabricated wall panel hoisting construction process based on a positioning auxiliary tool in this embodiment, the positioning auxiliary tool includes two positioning steel frame bottom plates 3, two folding steel frames 4, and two positioning chutes 5.
Eight reserved bolt holes 11 of the target precast slab are formed in the surface of the target precast slab 1 in the embodiment, and the reserved bolt holes are 2cm in diameter and 10.5cm in depth. The specific position distribution is as follows: the first bolt hole is positioned at the position where the center of a circle is 76cm away from the left edge and 44cm away from the upper edge of the target prefabricated plate 1; the second bolt hole is positioned 40cm away from the center of the circle to the right of the first bolt hole; the third bolt hole is located 50cm from the center of the first bolt hole, and the fourth bolt hole is located 50cm from the center of the second bolt hole. The fifth bolt hole is positioned at the position where the center of the circle is 76cm away from the right edge and 44cm away from the upper edge of the target prefabricated plate 1; the sixth bolt hole is positioned 40cm away from the center of the circle to the left of the fifth bolt hole; the seventh bolt hole is located 50cm below the fifth hole from the center, and the eighth bolt hole is located 50cm below the sixth hole from the center. The bolt holes in this section are all referred to as reserved bolt holes 11 of the target prefabricated slab.
Prefabricated wallboard reserved bolt hole 21 and bearing diagonal reserved bolt hole 22 have been seted up respectively to prefabricated wallboard 2 surface of this embodiment.
Wherein, prefabricated wallboard reserves bolt hole 21 totally eight, and its size is diameter 3cm, and the depth is 15 cm. The specific position distribution is as follows: the first bolt hole is positioned at the position of the center of a circle which is 62cm away from the left edge of the inner wall surface of the prefabricated wall plate 2 and 58cm away from the lower edge; the second bolt hole is positioned 13cm away from the center of the circle to the right of the first bolt hole; the third bolt hole is positioned 43cm away from the lower edge of the first bolt hole; the fourth bolt hole is positioned 43cm away from the center of the circle to the lower side of the second bolt hole; the fifth bolt hole is positioned at the position 62cm away from the inner wall surface of the prefabricated wall plate 2 at the right edge and 58cm away from the center of the circle; the sixth bolt hole is positioned 13cm away from the center of the circle to the left of the fifth bolt hole; the seventh bolt hole is positioned 43cm away from the lower edge of the fifth circle center; the eighth bolt hole is located 43cm from the lower edge of the sixth circle center. The bolt holes in this section are all referred to as prefabricated wall panel reserved bolt holes 21.
The four inclined support reserved bolt holes 22 are used for building inclined supports, and the size of each inclined support is 3cm in diameter and 15cm in depth. The specific position distribution is as follows: the first bolt hole is positioned at the position, with the center 40cm away from the left edge and 1600cm away from the lower edge, of the prefabricated wall plate 2; the second bolt hole is positioned at the position 60cm away from the upper edge of the first bolt hole; the third bolt hole is positioned at the position, with the center 40cm away from the right edge of the prefabricated wall plate 2 and the lower edge 1600cm away from the center; the fourth bolt hole is located 60cm from the upper edge of the third. The bolt holes in this section are all referred to as diagonal brace preformed bolt holes 22.
The location steelframe bottom plate 3 of this embodiment comprises two steel sheets 31, connects through the hinge 34 of five equidistance distributions between two steel sheets 31 to realize the folding of location steelframe bottom plate 3, with the volume when reducing its storage and transport. Two side edges of the positioning steel frame bottom plate 3 are respectively provided with a small baffle plate 33, and the end parts of the small baffle plates 33 are respectively provided with a baffle 35.
Specifically, in the structure of the positioning steel frame bottom plate 3, the two steel plates 31 have the same shape and size, the length of the side parallel to the short side of the target prefabricated plate 1 is 30cm, the length of the side parallel to the long side of the target prefabricated plate 1 is 90cm, and the two steel plates 31 are unfolded through the hinges 34 to form the positioning steel frame bottom plate 3 with the length of 90cm and the width of 60 cm. The surface of the positioning steel frame bottom plate 3 is provided with four positioning steel frame bottom plate reserved bolt holes 32 which are symmetrically distributed on the two steel plates 31 and correspond to the target precast slab reserved bolt holes 11, so that the positioning steel frame bottom plate 3 can be fixed on the target precast slab 1 through bolts. The height of the small baffle 33 is 2cm, and is equivalent to the length of the positioning steel frame bottom plate 3; the baffle 35 is in the shape of an isosceles right triangle, two right-angle sides of the baffle are respectively welded on the small baffle 33 and the positioning steel frame bottom plate 3, and the length of each right-angle side is 2 cm; the hinge 34 has a specification of 100 x 60 x 1.
In this embodiment, the foldable steel frame 4 is composed of a steel shaft 41, a steel ball sleeve 42, a slidable steel ball 43, four sleeves 44 and four inclined support steel plates 45, wherein the steel ball sleeve 42 is fixedly welded at one end of the steel shaft 41, the opening of the steel ball sleeve is outward, and the slidable steel ball 43 is embedded in the steel ball sleeve 42; the sleeve 44 is sequentially and adjacently sleeved on the steel shaft 41, the inclined supporting steel plates 45 are respectively welded on the outer surface of the sleeve 44, so that the inclined supporting steel plates 45 can rotate around the steel shaft 41, and during installation, the inclined supporting steel plates 45 are sequentially and alternately clamped in the small baffle plates 33 on the left side and the right side of the positioning steel frame bottom plate 3.
Specifically, in the structure of the folding steel frame 4, the steel shaft 41 has a diameter of 6cm and a length of 93cm, the two ends of the steel shaft are respectively provided with an annular limiting protrusion 46, and the outer diameter of the limiting protrusion 46 is 8cm and is used for limiting the axial degree of freedom of the sleeve 44; the size of the steel ball sleeve 42 is 76mm in inner diameter and 80mm in outer diameter, and the size of the slidable steel ball 43 embedded in the steel ball sleeve is 76mm in diameter; the sleeve 44 has a size of 34mm in diameter and 22.5cm in length; the diagonal bracing steel plates 45 are 76cm long and 22.5cm wide, the bottoms of the diagonal bracing steel plates are clamped on the inner sides of the small baffle plates 33, the edges of the diagonal bracing steel plates 45 close to the two ends are clamped on the inner sides of the blocking pieces 35, and the four diagonal bracing steel plates 45 bear upper pressure together.
In this embodiment, the positioning chute 5 is composed of a chute back plate 55, a vertical slideway 52, a funnel-shaped chute port 51 and a high-strength positioning bolt 54, wherein the vertical slideway 52 has a circular arc-shaped cross section, is matched with the slidable steel ball 43, and has an opening at the bottom; a funnel-shaped chute opening 51 is arranged at the bottom opening of the vertical chute 52 so as to facilitate the sliding steel ball 43 to enter the vertical chute 52; the opposite lower part of the vertical slideway 52 is provided with a bolt hole 53 which is transversely penetrated, and a high-strength positioning bolt 54 is penetrated in the bolt hole 53.
Specifically, in the structure of the positioning chute 5, the chute back plate 55 has a length of 65cm and a width of 17cm, four chute back plate reserved bolt holes 56 are formed in the surface of the chute back plate, the positions of the chute back plate reserved bolt holes correspond to those of the prefabricated wall plate reserved bolt holes 21, and the chute back plate 55 can be fixed on the prefabricated wall plate 2 through bolts; the vertical slideway 52 is 84mm in diameter and 51.5cm long, is welded on the chute back plate 55, and is provided with a strip-shaped opening along the length direction on the outer surface far away from the chute back plate 55, so that the cross section of the vertical slideway 52 is arc-shaped, and the slidable steel ball 43 can slide up and down in the vertical slideway 52; the size of the funnel-shaped chute opening 51 is 28cm of the diameter of a large opening, the diameter of a small opening is equal to that of the arc-shaped chute 52, the net height is 8.5cm, the large opening is welded at the bottom of the chute back plate 55 downwards, and by adopting the funnel-shaped wide opening design, the alignment range is enlarged when the prefabricated wall plate 2 is aligned with the target prefabricated plate 1, and the alignment difficulty is reduced; the size of bolt hole 53 is diameter 3cm, sets up the position that is close to the bottom on vertical slide 52, and the size of high strength location bolt 54 is diameter 3cm, and length 12cm uses with bolt hole 53 cooperation, is used for blockking prefabricated wallboard 2 before prefabricated wallboard 2 counterpoints the completion, takes out high strength location bolt 54 and makes prefabricated wallboard 2 can continue the whereabouts after prefabricated wallboard 2 is stable.
The working principle of the embodiment is as follows: through the appurtenance who comprises location spout 5, folding steelframe 4 and location steelframe bottom plate 3, through measuring, confirm the setpoint and reserve the bolt hole on prefabricated wallboard 2 and target prefabricated plate 1, location spout 5 fixes on prefabricated wallboard 2 before the hoist and mount through the bolt hole that reserves, folding steelframe 4 and location steelframe bottom plate 3 close as an integrated component and install on target prefabricated plate 1 before the hoist and mount. The end part of the folding steel frame 4 is provided with a slidable steel ball 43, and the bottom of the funnel-shaped positioning chute 5 is provided with a high-strength positioning bolt 54. The steel bar sleeve relative position which is difficult to observe is converted to the outside which is easy to observe through the alignment of the slidable steel ball 43 and the funnel-shaped chute opening 51, so that the installation difficulty is reduced while the wallboard hoisting efficiency and precision are improved.
The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool specifically comprises the following steps:
(1) preparation work before construction
(1-1) reserving bolt holes: when the target prefabricated slab 1 is prefabricated, a reserved bolt hole 11 of the target prefabricated slab is reserved; when the prefabricated wall plate 2 is prefabricated, a prefabricated wall plate reserved bolt hole 21 and an inclined support reserved bolt hole 22 are reserved;
(1-2) prefabricated wall board and target prefabricated board parameter checking: and checking whether the plate types, the sizes and the appearance quality of the prefabricated wall panel 2 to be hoisted and the target prefabricated panel 1 meet the quality standard.
(2) Positioning aid mounting
(2-1) installing the positioning chute 5: fixing the two positioning chutes 5 on the inner wall surface of the prefabricated wall plate 2 through the prefabricated wall plate reserved bolt holes 21 and the chute back plate reserved bolt holes 56 respectively by bolts;
(2-2) installing a positioning steel frame bottom plate 3: fixing the two positioning steel frame bottom plates 3 on the target prefabricated plate respectively through the corresponding reserved bolt holes 11 of the target prefabricated plate and the reserved bolt holes 32 of the positioning steel frame bottom plate by using bolts;
(2-3) installing a folding steel frame 4: the inclined supporting steel plates 45 of the folding steel frame 4 are sequentially and alternately unfolded, so that the bottoms of the inclined supporting steel plates 45 are clamped on the inner sides of the small baffles 33 of the positioning steel frame bottom plate 3, the edges of the inclined supporting steel plates 45 close to the two ends are clamped on the inner sides of the separation blades 35, and the combination and installation of the folding steel frame 4 and the positioning steel frame bottom plate 3 is successful.
(3) Position falling and installation of prefabricated wall panel
(3-1) alignment of the slidable steel ball 43 with the positioning chute 5: hovering when the prefabricated wall panel 2 falls to a position 70cm away from a target prefabricated panel, commanding the tower to adjust through the alignment condition of the slidable steel ball 43 and the positioning chute 5 by constructors, enabling the slidable steel ball 43 to enter the vertical slide way 52, and waiting for the prefabricated wall panel 2 to tend to be stable;
(3-2) checking of the positioning auxiliary tool: after the slidable steel ball 43 and the vertical slideway 52 are aligned successfully, the constructor takes out the high-strength positioning bolt 54 fixed on the positioning chute 5 and checks whether the slidable steel ball 43 can slide normally in the vertical slideway 52;
(3-3) reexamination and placement of the prefabricated wall panel 2: and (5) checking the alignment condition of the reserved steel bars of the prefabricated wall plate 2 and the prefabricated wall plate bottom sleeve, and confirming that the wall body slowly descends after the alignment is successful.
(4) Setting up a support system: after the prefabricated wallboard is stable, set up upper and lower twice bearing diagonal respectively through bearing diagonal reservation bolt hole 22 about prefabricated wallboard 2 and fix prefabricated wallboard, first way apart from prefabricated wallboard lower limb 2.2m, second way apart from prefabricated wallboard lower limb 1.6 m.
(5) Removal of positioning aids
(5-1) dismantling the positioning sliding groove 5, the positioning steel frame bottom plate 3 and the folding steel frame 4: after the prefabricated wall panel 2 is fixed, bolts on the target prefabricated panel 1 and the prefabricated wall panel 2 are respectively taken out, and the positioning auxiliary tool is detached;
(5-2) storing and releasing the positioning auxiliary tool: the folding steel frame 4 and the positioning steel frame bottom plate 3 are folded and properly placed together with the positioning sliding groove 5.
(6) Plugging reserved holes: cleaning holes → supporting bottom dies → cleaning cement paste → pouring C35 micro-expansion concrete for pouring 1/2 plate thickness/wall thickness → maintaining and closing water → pouring C35 micro-expansion concrete for pouring 20mm away from the plate surface/wall surface → maintaining and closing water → embedding paste and closing water inspection, namely completing the plugging.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A prefabricated wall panel hoisting construction process based on a positioning auxiliary tool is characterized in that the positioning auxiliary tool comprises two positioning steel frame bottom plates, two folding steel frames and two positioning chutes, wherein small baffles are respectively arranged on the edges of two sides of each positioning steel frame bottom plate; the foldable steel frame comprises a steel shaft, a steel ball sleeve arranged at one end of the steel shaft and a plurality of sleeves which are sequentially and adjacently sleeved on the steel shaft, a slidable steel ball is embedded in the steel ball sleeve, and inclined support steel plates are welded on the outer surfaces of the sleeves, so that the inclined support steel plates can rotate around the steel shaft; the positioning sliding groove comprises a vertical sliding way with a circular arc-shaped cross section, the bottom of the vertical sliding way is provided with an opening, and the vertical sliding way is matched with the slidable steel ball;
the hoisting construction process comprises the following steps:
(1) preparation work before construction: prefabricating and parameter checking a target prefabricated plate and a prefabricated wallboard;
(2) installing a positioning auxiliary tool: fixedly mounting the positioning sliding grooves on the inner wall surface of the prefabricated wall board, fixedly mounting the positioning steel frame bottom plate on the target prefabricated board, and sequentially and alternately clamping the inclined support steel plates of the folding steel frame in the small baffles on the left side and the right side of the positioning steel frame bottom plate to complete the mounting of the folding steel frame;
(3) the position and the installation of prefabricated wallboard: when the prefabricated wallboard falls down, the slidable steel ball is controlled to enter the vertical slide way to complete alignment, and the prefabricated wallboard is slowly lowered;
(4) setting up a support system: after the prefabricated wall board is stabilized, erecting support systems on two sides of the prefabricated wall board to fix the prefabricated wall board;
(5) dismantling the positioning auxiliary tool: and detaching the positioning sliding groove, the positioning steel frame bottom plate and the folding steel frame.
2. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool as claimed in claim 1, wherein a plurality of target prefabricated panel reserved bolt holes are formed in the surface of the target prefabricated panel, a plurality of positioning steel frame bottom plate reserved bolt holes are formed in the surface of the positioning steel frame bottom plate, the target prefabricated panel reserved bolt holes correspond to the positioning steel frame bottom plate reserved bolt holes, and the positioning steel frame bottom plate is fixedly connected to the surface of the target prefabricated panel through bolts.
3. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool is characterized in that the sum of the lengths of all sleeves on one folding steel frame is equivalent to the length of a bottom plate of the positioning steel frame; and two ends of the small baffle are respectively provided with a baffle.
4. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool as claimed in claim 1, wherein two ends of the steel shaft are respectively provided with a limiting protrusion to limit the axial degree of freedom of the sleeve.
5. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool is characterized in that four sleeves and four inclined supporting steel plates are arranged on one folding steel frame.
6. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool is characterized in that a funnel-shaped chute opening is formed in the bottom opening of the vertical chute.
7. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool is characterized in that the positioning chute further comprises a chute back plate, and the vertical slideway and the funnel-shaped chute opening are fixedly arranged on the chute back plate; the prefabricated wallboard is provided with a plurality of prefabricated wallboard reserved bolt holes, the spout backplate is provided with a plurality of spout backplate reserved bolt holes, prefabricated wallboard reserved bolt holes with spout backplate reserved bolt holes correspond to each other, the spout backplate passes through bolt fixed connection and is in prefabricated wallboard surface.
8. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool is characterized in that bolt holes which are transversely communicated are formed in the opposite lower portions of the vertical slideways, and high-strength positioning bolts penetrate through the bolt holes.
9. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool as claimed in claim 1, wherein a plurality of inclined support reserved bolt holes are formed in the opposite upper portions of the prefabricated wall panel.
10. The prefabricated wall panel hoisting construction process based on the positioning auxiliary tool as claimed in any one of claims 2, 7 and 9, wherein the hoisting construction process further comprises the step (6): and plugging the reserved bolt hole by using micro-expansion concrete.
Priority Applications (1)
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| CN202010523527.8A CN111608400A (en) | 2020-06-10 | 2020-06-10 | Prefabricated wallboard hoisting construction process based on positioning auxiliary tool |
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| CN202010523527.8A CN111608400A (en) | 2020-06-10 | 2020-06-10 | Prefabricated wallboard hoisting construction process based on positioning auxiliary tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878704A (en) * | 2021-01-11 | 2021-06-01 | 青岛腾远设计事务所有限公司 | Prefabricated wallboard hoisting method, prefabricated wallboard hoisting tool and auxiliary prefabricated wallboard mounting tool |
| CN112922370A (en) * | 2021-01-28 | 2021-06-08 | 浙江至方建设有限公司 | Assembled shear wall and construction method |
| CN113323419A (en) * | 2021-06-02 | 2021-08-31 | 山东大学 | Device and method for conveniently hoisting and positioning assembled component |
| CN113833284A (en) * | 2021-09-17 | 2021-12-24 | 浙江五联建设有限公司 | Assembly type building structure and assembly construction method thereof |
| CN115110780A (en) * | 2022-06-20 | 2022-09-27 | 中煤第三建设（集团）有限责任公司 | A installation operation auxiliary device for assembly type structure wallboard |
-
2020
- 2020-06-10 CN CN202010523527.8A patent/CN111608400A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878704A (en) * | 2021-01-11 | 2021-06-01 | 青岛腾远设计事务所有限公司 | Prefabricated wallboard hoisting method, prefabricated wallboard hoisting tool and auxiliary prefabricated wallboard mounting tool |
| CN112922370A (en) * | 2021-01-28 | 2021-06-08 | 浙江至方建设有限公司 | Assembled shear wall and construction method |
| CN113323419A (en) * | 2021-06-02 | 2021-08-31 | 山东大学 | Device and method for conveniently hoisting and positioning assembled component |
| CN113833284A (en) * | 2021-09-17 | 2021-12-24 | 浙江五联建设有限公司 | Assembly type building structure and assembly construction method thereof |
| CN115110780A (en) * | 2022-06-20 | 2022-09-27 | 中煤第三建设（集团）有限责任公司 | A installation operation auxiliary device for assembly type structure wallboard |
| CN115110780B (en) * | 2022-06-20 | 2023-10-20 | 中煤第三建设（集团）有限责任公司 | Installation operation auxiliary device for assembled building wallboard |
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Application publication date: 20200901 |