CN110130656B - Turnover type composite anchoring unloading platform and construction method - Google Patents
Turnover type composite anchoring unloading platform and construction method Download PDFInfo
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- CN110130656B CN110130656B CN201910419910.6A CN201910419910A CN110130656B CN 110130656 B CN110130656 B CN 110130656B CN 201910419910 A CN201910419910 A CN 201910419910A CN 110130656 B CN110130656 B CN 110130656B
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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
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Abstract
The invention provides a turnover type composite anchoring unloading platform and a construction method, wherein a supporting beam base plate and an overhanging supporting beam are sequentially arranged on a supporting floor slab, and the position of the overhanging supporting beam is corrected through a transverse position correcting rod; the cantilever support beam is provided with a limit groove plate, a support column limit body and a beam top connecting plate, and the sliding track is provided with a sliding skip car; a strut bottom plate is arranged on the support floor slab at the lower layer, and a bottom plate adjustable stay bar, a bottom plate fixed stay bar and a built-in ejector rod are arranged on the strut bottom plate; a cross rod connecting body is arranged on the vertical support column, and a vertical pull rod is arranged between the beam top connecting plate and the transverse connecting rod; an elastic position control body and a limiting connecting rod are arranged between the two rain distribution position control plates which are opposite in mirror image; make the handling pull rod pass end slot link plate, pull rod accuse position board and pull rod guide body in proper order to link to each other with the book rope through the conversion baffle, can promote the installation and construction efficiency of platform of unloading, can improve the rain proofness ability of platform moreover, reduce the cantilever beam and demolish the construction degree of difficulty.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a turnover type composite anchoring unloading platform and a construction method, which can improve the installation and construction efficiency of an unloading platform, improve the rainproof performance of the platform and reduce the dismantling construction difficulty of an overhanging supporting beam, and are suitable for the construction engineering of the unloading platform.
Background
The unloading platform is a construction operation platform which needs to be erected during the construction of a high-rise building and is used for material turnover and temporary construction operation. In the installation and use process of the discharging platform, the problems of low installation and construction efficiency, weak structural integrity and the like exist frequently, and the construction quality and the personnel safety are seriously influenced.
The high-rise building unloading platform is provided with an unbonded detachable embedded part and a building process thereof in the prior art, the unloading platform comprises a reinforced concrete layer, PVC (polyvinyl chloride) sleeves and a U-shaped embedded anchor ring, overhanging I-shaped steel is installed between the two PVC sleeves, a steel plate is arranged on the top surface of the overhanging I-shaped steel, the steel plate is inserted at the top of the U-shaped embedded anchor ring in a penetrating manner, and the steel plate is tightly connected with the overhanging I-shaped steel through a gasket and a nut. The discharging platform is simple in structure and convenient to construct and operate, does not relate to a material loading and unloading construction technology, and the integrity of the structure is to be improved.
In view of this, the invention provides a turnover type composite anchoring unloading platform and a construction method thereof, which can improve the installation and construction efficiency of the unloading platform, improve the rainproof performance of the platform and reduce the dismantling construction difficulty of an overhanging supporting beam.
Disclosure of Invention
The invention aims to provide a turnover type composite anchoring unloading platform and a construction method, wherein the turnover type composite anchoring unloading platform can improve the installation construction efficiency of an unloading platform, improve the rainproof performance of the platform and reduce the construction difficulty of dismantling a cantilever beam.
In order to achieve any one of the above purposes, the invention adopts the following technical scheme:
the construction method of the turnover type composite anchoring unloading platform comprises the following construction steps:
1) construction preparation: preparing a cantilever supporting beam with the size meeting the requirement, and carrying out concrete pouring construction for supporting a floor slab and a floor slab bottom beam; accurately constructing the required building materials;
2) and (3) arranging a cantilever supporting beam: a plastic sleeve is preset on the support floor slab, and a sleeve limiting ring is arranged on the outer side of the plastic sleeve; a limiting ring supporting rib is arranged between the sleeve limiting ring and the in-plate steel rib on the supporting floor slab; the anchor bar bottom backing plate is arranged on the fastening anchor bar in a penetrating way, and the fastening anchor bar penetrates through the plastic sleeve; sequentially arranging a supporting beam base plate and an overhanging supporting beam on a supporting floor slab, arranging an anchor frame pressing plate with a pressing plate filler strip arranged on the bottom surface on the upper surface of the overhanging supporting beam, and performing primary limiting on the overhanging supporting beam through fastening anchor bars; arranging a position-correcting outer baffle between two adjacent rows of fastening anchor bars, and arranging a transverse position-correcting rod on the position-correcting outer baffle; a position correcting inner supporting plate is arranged at the joint of the transverse position correcting rod and the cantilever supporting beam; the transverse position of the cantilever supporting beam is corrected by adopting a transverse position correcting rod, and the anchor frame pressing plate is firmly connected with the cantilever supporting beam through an anchor frame bolt;
3) installing a composite anchoring construction platform: laying a support beam base plate and an overhanging support beam on the support floor slab and the floor slab bottom beam, and connecting a base plate angle brace at the lower part of the support beam base plate with the support floor slab; the cantilever support beam is provided with a limit groove plate, a first connecting ring and a beam top connecting plate, and an adjustable support body and a fixed support body are arranged between the opposite limit groove plates; the floor bottom beam on the upper layer is provided with a connecting limiting rib, the connecting limiting rib is provided with a connecting ring sleeve rod, and the connecting limiting rib is firmly connected with the floor bottom beam through a limiting connecting plate; after the stay cable of the support beam is firmly connected with the first connecting ring, the second connecting ring is connected with the connecting ring loop bar; sequentially arranging a platform top plate, a sliding track and a connecting inclined plate on the adjustable supporting body and the fixed supporting body, and arranging a sliding skip on the sliding track;
4) laying an upper cantilever supporting beam: a supporting beam base plate is laid on the supporting floor slab on the upper layer, and a base plate angle support connected with the floor slab bottom beam is arranged on the lower surface of the supporting beam base plate; a support floor plate is arranged on the lower layer of the support floor plate, and a bottom plate anti-skidding tenon and a bottom plate adjustable support rod are arranged at the joint of the support floor plate and a floor plate bottom beam; one end of the pressure plate adjustable support rod is arranged on the support frame bottom plate, so that a rotating pressure plate at the end part of the pressure plate adjustable support rod is connected with the cantilever support beam, and the position of the rotating pressure plate is limited by a limit groove plate on the lower surface of the cantilever support beam; adjusting a jacking pressure adjusting bolt, and applying jacking pressure to the bottom plate of the support frame through a built-in jacking rod arranged between the support floor slabs of the upper layer and the lower layer; a position control pressing plate is arranged at the end part of the inner side of the cantilever supporting beam, and the position control pressing plate and the cantilever supporting beam are firmly connected through a position control end rod;
5) platform protection installation: uniformly arranging strut limiting bodies on the cantilever strut beams at intervals along the length direction, inserting the vertical struts into connecting mortises on the strut limiting bodies, and fastening the vertical struts through positioning bolts; a column side lantern ring and a cross rod connecting body are arranged on the vertical support column, and an inclined pull rod is arranged between the column side lantern ring and the beam top connecting plate; placing the transverse connecting rod in the transverse rod connecting body, and limiting the transverse connecting rod through the transverse rod limiting rib; a vertical pull rod is arranged between the beam top connecting plate and the transverse connecting rod, and fastening pressure is applied to the vertical pull rod through a pull rod fastening bolt; a railing guard net is arranged between the adjacent vertical supporting columns, and the top edge and the bottom edge of the railing guard net are respectively connected with the transverse connecting rod and the overhanging supporting beam;
6) the rain-proof device is provided with: a supporting beam connecting body is arranged at the top end of the vertical supporting column and is connected with the waterproof cloth supporting beam through a supporting beam connecting tenon; the waterproof cloth supporting beam is provided with a waterproof cloth position control plate and a water retaining edge plate, and telescopic waterproof cloth is arranged between the waterproof cloth supporting beams which are longitudinally adjacent; connecting the beam bottom lacing wire on the lower surface of the waterproof cloth supporting beam with a lacing wire connecting plate on the outer side of the vertical supporting column through a lacing wire anchoring plate; an elastic position control body and a limiting connecting rod are arranged between the two rain cloth position control plates which are opposite in mirror image, the telescopic rain cloth is connected with the rain cloth position control plates, and two ends of the limiting connecting rod are respectively connected with the position control connecting groove plates through connecting rod rotating shafts; a position control plate inhaul cable on the waterproof cloth position control plate is connected with external rolling and pulling equipment; a water storage tank is arranged on the top plate of the platform and is connected with a downpipe;
7) dismantling the cantilever supporting beam: the end part of the cantilever supporting beam is provided with a hoisting end groove, and the middle part of the cantilever supporting beam is provided with a pull rod position control plate; connecting the inner end part of the cantilever supporting beam with the supporting beam guide body; the hoisting pull rod sequentially passes through the end slot hanging plate, the pull rod position control plate and the pull rod guide body and is connected with the winding rope through the conversion baffle plate; connecting the reeling and pulling rope with the reeling and pulling machine; an auxiliary weight pressing body is arranged on a support plate bottom plate of the pull rod position control plate; and adopting a rolling rope to transversely pull the cantilever support beam to the support floor slab.
In the step 2), the anchor bar bottom backing plate is formed by rolling a steel plate, and anchor bar through holes are formed in the anchor bar bottom backing plate; the supporting beam base plate is formed by rolling a steel plate and is laid on the supporting floor slab, the cantilever end of the supporting beam base plate extends out of the edge of the supporting floor slab by 20-40 cm, and a base plate corner brace is arranged at the joint of the supporting beam base plate and the hollow edge of the supporting floor slab.
In the step 3), the connecting inclined plate is connected with the platform top plate through an inclined plate connecting belt; the sliding skip car consists of a skip car sliding plate and a rotating baffle, a baffle rotating shaft is arranged at the joint of the skip car sliding plate and the rotating baffle, and a baffle connecting rib is arranged on the inner side wall of the rotating baffle; and an inner connecting rod of the skip car is arranged between the skip car sliding plate and the baffle connecting rib, and the baffle connecting rib is connected with the inner connecting rod of the skip car through a third connecting ring.
In the step 4), the bottom plate of the bracket is rolled by a steel plate, and the cross section of the bottom plate of the bracket is Z-shaped; a bottom plate fixing support rod and an internal ejector rod are arranged on a strut bottom plate, and a top pressure adjusting bolt and an ejector rod pressing plate are arranged on the internal ejector rod; the bottom plate fixed stay bar is connected with the pressure plate adjustable stay bar through a stay bar connecting shaft, and a pressure plate adjusting bolt is arranged on the pressure plate adjustable stay bar; the adjustable stay bars of the pressing plate are formed by rolling steel pipes, the number of each bundle is 2-3, and a pressing plate rotating hinge and a rotating pressing plate are arranged at the joint of the adjustable stay bars and the cantilever supporting beam; the bottom plate adjustable support rod is provided with a bottom support adjusting bolt, one end of the bottom plate adjustable support rod is connected with the support bottom plate through a support rod rotating hinge, and the other end of the bottom plate adjustable support rod is connected with the floor bottom beam through a pressing plate rotating hinge and a rotating pressing plate.
In the step 6), the cross section of the supporting beam connecting body is in a right-angled triangle shape, the inclined angle of the inclined edge of the supporting beam connecting body is the same as that of the waterproof cloth supporting beam, and a connecting mortise similar to the supporting beam connecting tenon in shape is arranged on the upper surface of the supporting beam connecting body; the waterproof cloth supporting beam is formed by rolling profile steel or steel pipes, and the cross section of the waterproof cloth supporting beam is in an isosceles triangle shape; the tie bar connecting plate is formed by rolling a steel plate, and a tie bar embedding groove is formed in the tie bar connecting plate; the cross section of the limiting connecting rod is L-shaped; the position control connecting groove plate is vertically welded and connected with the waterproof cloth position control plate.
In the step 7), the hoisting end slot is sleeved at the outer side end part of the cantilever support beam, an end slot hanging plate is arranged on the upper surface of the hoisting end slot, and a pull rod end plate is arranged on the end slot hanging plate; the supporting beam guide body consists of a guide body lug plate and a guide limiting frame, and is enclosed into a supporting beam guide groove through the guide limiting frame; the cross section of the supporting beam guide groove is rectangular, the longitudinal section of the supporting beam guide groove is in a right trapezoid shape, and the jacking height and the width of the supporting beam guide groove are 10% -20% larger than those of the overhanging supporting beam; the pull rod guide body consists of a support plate bottom plate and a guide support plate, and pull rod penetrating holes are formed in the guide support plate pull rod position control plate and the end groove hanging plate.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the plastic sleeve is preset in the support floor slab, so that the damage of the arrangement of the fastening anchor bars to the floor slab can be reduced; the transverse position correcting rod is arranged on the outer side of the cantilever supporting beam, so that the requirement of accurate position correction of the cantilever supporting beam can be met; the anchor bar pressing plate is arranged on the cantilever supporting beam, so that the stability of the cantilever supporting beam can be further improved.
(2) The stay cable of the supporting beam is convenient to connect with the connecting limiting rib and the cantilever supporting beam; the adjustable supporting body and the fixed supporting body are arranged on the cantilever supporting beam, so that the inclination angles of the platform top plate and the sliding track can be changed through the adjustable supporting body, and the pushing difficulty of the sliding trolley is reduced; the material vehicle sliding plate of the sliding material vehicle is provided with a rotatable baffle at the periphery, so that the difficulty of loading and unloading materials can be effectively reduced.
(3) The Z-shaped strut bottom plate is arranged on the lower support floor slab, so that the connection strength between the strut bottom plate and the support floor slab is improved, and the difficulty in adjusting the bottom support adjusting bolt is reduced; the pressing plate fixing support rods are connected with 2-3 pressing plate adjustable support rods, so that the difficulty in laying bottom inclined supports can be reduced; the arrangement of the built-in ejector rods is helpful for further improving the stability of the bottom plate of the supporting frame.
(4) The vertical supporting column and the cantilever supporting beam are connected through the supporting column limiting body, so that the on-site positioning is convenient, and the connecting strength of the vertical supporting column and the cantilever supporting beam can be synchronously improved through the positioning bolt and the oblique pull rod; set up the horizontal pole connector on vertical dagger to exert the holding down force through vertical pull rod to transverse connection pole, can effectively promote the wholeness of structure when reducing the transverse connection pole installation degree of difficulty.
(5) According to the invention, the elastic position control body and the telescopic waterproof cloth are arranged between the waterproof cloth position control plates on the waterproof cloth supporting beam, so that the difficulty in laying the waterproof cloth supporting beam can be synchronously reduced, and the sliding laying speed of the waterproof cloth supporting beam is improved; the water storage tank communicated with the downpipe is arranged on the top plate of the platform, so that the stability of the structure can be improved while rainwater is recovered.
(6) When the cantilever supporting beam is dismantled, the position can be controlled by means of the pull rod guide body, the pull rod position control plate, the supporting beam guide body and the hoisting end groove, so that the position control and the guide in the dismantling process of the cantilever supporting beam can be realized, and the dismantling difficulty is reduced; meanwhile, the traction deformation of the rolling rope is adjusted through the conversion baffle, so that the removal of a plurality of cantilever supporting beams can be synchronously realized, and the construction efficiency is improved.
Drawings
Fig. 1 is a construction flow chart of a turnover type composite anchoring unloading platform according to an embodiment of the invention.
Fig. 2 is a cross-sectional view of the structure in which the cantilever beams of fig. 1 are arranged.
Fig. 3 is a longitudinal sectional view of the arrangement of the cantilever beams of fig. 2.
Fig. 4 is a structural schematic view of the installation of the composite anchoring construction platform of fig. 1.
Fig. 5 is a schematic structural view of the skip car of fig. 4.
Fig. 6 is a schematic structural view of the arrangement of the upper cantilever beams of fig. 1.
Fig. 7 is a schematic structural view of the connection of the vertical brace and the transverse connecting rod of fig. 1.
FIG. 8 is a schematic view of the cross bar linkage of FIG. 7 coupled to a cross bar interface.
Fig. 9 is a schematic view of the arrangement of the flashing arrangement of fig. 1.
Fig. 10 is a schematic structural view of the waterproof cloth position-controlling plate and the stretchable waterproof cloth of fig. 9 connected.
Fig. 11 is a schematic plan view of the structure of the lacing web of fig. 10.
Fig. 12 is a schematic view of the cantilever beam dismantling device of fig. 1.
Fig. 13 is a schematic structural view of the brace guide of fig. 12.
Fig. 14 is a schematic structural view of the drawbar guide body of fig. 12.
In the figure: 1-cantilever supporting beam; 2-supporting the floor slab; 3-floor bottom beam; 4-plastic sleeve; 5-a sleeve limiting ring; 6-reinforcing steel bars in the plate; 7-spacing ring bracing ribs; 8-anchor bar bottom backing plate; 9-fastening anchor bars; 10-beam supporting base plate; 11-a platen backing strip; 12-anchor frame pressing plate; 13-position correcting outer baffles; 14-a lateral alignment bar; 15-aligning the inner supporting plate; 16-anchor frame bolts; 17-the pull rod passes through the hole; 18-a limiting groove plate; 19-a first connecting ring; 20-anchor bar limiting holes; 21-beam top connection plate; 22-an adjustable support; 23-a stationary support; 24-connecting a limiting rib; 25-connecting ring loop bar; 26-a limit connecting plate; 27-bracing beam guy cable; 28-a second connecting ring; 29-a platform ceiling; 30-a glide track; 31-connecting the inclined plate; 32-sliding skip car; 33-a strut bottom plate; 34-bottom plate anti-slip falcon; 35-adjustable support rods of the bottom plate; 36-platen adjustable struts; 37-rotating the press plate; 38-a guide support plate; 39-top pressure adjusting bolt; 40-a built-in ejector rod; 41-position control pressing plate; 42-position control end rod; 43-vertical braces; 44-connecting tongue and groove; 45-positioning bolts; 46-a column side collar; 47-a crossbar connection; 48-supporting beam guide groove; 49-diagonal draw bar; 50-transverse tie bars; 51-cross bar limit ribs; 52-vertical pull rod; 53-tie rod fastening bolts; 54-a strut beam connector; 55-a tarpaulin supporting beam; 56-supporting beams are connected with tenons; 57-a raincloth position control plate; 58-telescopic rain cloth; 59-beam bottom lacing wire; 60-tie bar connecting plates; 61-anchor plate of lacing wire; 62-elastic control body; 63-a limit connecting rod; 64-connecting rod rotating shaft; 65-controlling the position of the connecting groove plate; 66-position control plate inhaul cable; 67-a water storage tank; 68-downpipe; 69-hoisting end slots; 70-a pull rod position control plate; 71-a support beam guide body; 72-lifting pull rods; 73-end slot hanging plate; 74-a tie rod guide body; 75-a switching baffle; 76-rolling and pulling the rope; 77-a rolling and pulling machine; 78-a plate bottom plate; 79-auxiliary ballast body; 80-backing plate angle brace; 81-sloping plate connecting belt; 82-skip slide plate; 83-rotating the baffle; 84-baffle rotating shaft; 85-baffle connecting ribs; 86-connecting rod in the skip car; 87-a third connecting ring; 88-bottom plate fixing stay bar; 89-ejector pin pressing plate; 90-stay bar connecting shaft; 91-a pressure plate adjusting bolt; 92-platen pivot hinge; 93-bottom prop adjusting bolt; 94-brace bar rotation hinge; 95-a guide limit frame; 96-tie bar embedded groove; 97-guide body ear plate; 98-railing protective net; 99-water retaining flange; 100-tie rod end plates; 101-brace limiting body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Concrete pouring construction technical requirements, site hoisting construction technical requirements, bolt fastening construction technical requirements and the like are not repeated in the embodiment, and the embodiment of the method related to the invention is mainly explained.
Fig. 1 is a construction flow chart of the turnover type composite anchoring unloading platform of the invention, and referring to fig. 1, the construction method of the turnover type composite anchoring unloading platform comprises the following construction steps:
1) construction preparation: preparing a cantilever supporting beam (1) with the size meeting the requirement, and carrying out concrete pouring construction for supporting a floor slab (2) and a floor slab bottom beam (3); accurately constructing the required building materials;
2) the cantilever supporting beam (1) is arranged: a plastic sleeve (4) is preset on the support floor (2), and a sleeve limiting ring (5) is arranged on the outer side of the plastic sleeve (4); a limiting ring supporting rib (7) is arranged between the sleeve limiting ring (5) and the steel bar (6) in the plate; the anchor bar bottom backing plate (8) is arranged on the fastening anchor bar (9) in a penetrating way; the supporting floor slab (2) is sequentially provided with a supporting beam base plate (10) and an overhanging supporting beam (1), an anchor frame pressing plate (12) with a pressing plate filler strip (11) arranged on the bottom surface is arranged on the upper surface of the overhanging supporting beam (1), and the overhanging supporting beam (1) is preliminarily limited by fastening anchor bars (9); a position-correcting outer baffle (13) is arranged between two adjacent rows of fastening anchor bars (9), and a transverse position-correcting rod (14) is arranged on the position-correcting outer baffle (13); a position correcting inner supporting plate (15) is arranged at the joint of the transverse position correcting rod (14) and the cantilever supporting beam (1); the transverse position of the cantilever supporting beam (1) is corrected by adopting a transverse position correcting rod (14), and the anchor frame pressing plate (12) is firmly connected with the cantilever supporting beam (1) through an anchor frame bolt (16);
3) installing a composite anchoring construction platform: laying a support beam base plate (10) and an overhanging support beam (1) on a support floor (2) and a floor bottom beam (3), and connecting a base plate angle support (80) at the lower part of the support beam base plate (10) with the support floor (2); limiting groove plates (18), a first connecting ring (19) and a beam top connecting plate (21) are arranged on the cantilever supporting beam (1), and an adjustable supporting body (22) and a fixed supporting body (23) are arranged between the opposite limiting groove plates (18); a connecting and limiting rib (24) is arranged on the floor bottom beam (3) on the upper layer, a connecting ring sleeve rod (25) is arranged on the connecting and limiting rib (24), and the connecting and limiting rib (24) is firmly connected with the floor bottom beam (3) through a limiting connecting plate (26); after the stay cable (27) of the support beam is firmly connected with the first connecting ring (19), the second connecting ring (28) is connected with the connecting ring sleeve rod (25); a platform top plate (29), a sliding track (30) and a connecting inclined plate (31) are sequentially arranged on the adjustable supporting body (22) and the fixed supporting body (23), and a sliding skip (32) is arranged on the sliding track (30);
4) the upper layer cantilever beam (1) is laid: a supporting beam base plate (10) is laid on the supporting floor (2) on the upper layer, and a base plate angle brace (80) connected with the floor bottom beam (3) is arranged on the lower surface of the supporting beam base plate (10); a support floor (2) at the lower layer is provided with a support bottom plate (33), and a bottom plate anti-skidding tenon (34) and a bottom plate adjustable stay bar (35) are arranged at the joint of the support bottom plate (33) and a floor bottom beam (3); a rotating pressure plate (37) at the end part of the pressure plate adjustable support rod (36) is connected with the cantilever support beam (1), and the position of the rotating pressure plate (37) is limited by a limit groove plate (18) on the lower surface of the cantilever support beam (1); adjusting a top pressure adjusting bolt (39), and applying top pressure to the supporting frame bottom plate (33) through a built-in top rod (40); a position control pressure plate (41) is arranged at the end part of the inner side of the cantilever supporting beam (1), and the position control pressure plate (41) is firmly connected with the cantilever supporting beam (1) through a position control end rod (42);
5) platform protection installation: uniformly arranging strut limiting bodies (101) on the cantilever strut beam (1) at intervals along the length direction, inserting vertical struts (43) into connecting mortises (44) on the strut limiting bodies (101), and fastening through positioning bolts (45); a column side lantern ring (46) and a cross bar connecting body (47) are arranged on the vertical support column (43), and an inclined pull rod (49) is arranged between the column side lantern ring (46) and the beam top connecting plate (21); placing the transverse connecting rod (50) in the transverse rod connecting body (47), and limiting the transverse connecting rod (50) through a transverse rod limiting rib (51); a vertical pull rod (52) is arranged between the beam top connecting plate (21) and the transverse connecting rod (50), and fastening pressure is applied to the vertical pull rod (52) through a pull rod fastening bolt (53); a railing guard net (98) is arranged between the adjacent vertical supporting columns (43), and the top edge and the bottom edge of the railing guard net (98) are respectively connected with the transverse connecting rod (50) and the cantilever supporting beam (1);
6) the rain-proof device is provided with: a supporting beam connecting body (54) is arranged at the top end of the vertical supporting column (43), and the supporting beam connecting body (54) is connected with a waterproof cloth supporting beam (55) through a supporting beam connecting tenon (56); a waterproof cloth position control plate (57) and a water retaining edge plate (99) are arranged on the waterproof cloth supporting beams (55), and telescopic waterproof cloth (58) is arranged between the waterproof cloth supporting beams (55) which are adjacent in the longitudinal direction; a beam bottom lacing wire (59) on the lower surface of the waterproof cloth supporting beam (55) is connected with a lacing wire connecting plate (60) on the outer side of the vertical supporting column (43) through a lacing wire anchoring plate (61); an elastic position control body (62) and a limiting connecting rod (63) are arranged between two rain cloth position control plates (57) which are opposite in mirror image, the telescopic rain cloth (58) is connected with the rain cloth position control plates (57), and two ends of the limiting connecting rod (63) are respectively connected with a position control connecting groove plate (65) through a connecting rod rotating shaft (64); a position control plate inhaul cable (66) on the waterproof cloth position control plate (57) is connected with external rolling and pulling equipment; a water storage tank (67) is arranged on the platform top plate (29), and the water storage tank (67) is connected with a downpipe (68);
7) dismantling the cantilever supporting beam (1): a hoisting end groove (69) is arranged at the end part of the cantilever supporting beam (1), and a pull rod position control plate (70) is arranged in the middle; the inner end part of the cantilever beam (1) is connected with the beam guide body (71); the hoisting pull rod (72) sequentially passes through the end slot hanging plate (73), the pull rod position control plate (70) and the pull rod guide body (74) and is connected with a rolling rope (76) through a conversion baffle plate (75); connecting the reeling and pulling rope (76) to the reeling and pulling machine (77); an auxiliary weight pressing body (79) is arranged on a support plate bottom plate (78) of the pull rod position control plate (70); the cantilever beam (1) is transversely pulled to the supporting floor (2) by a rolling rope (76).
In the step 2), the anchor bar bottom backing plate (8) is formed by rolling a steel plate, and the anchor bar through holes (20) are formed in the anchor bar bottom backing plate (8); the supporting beam base plate (10) is formed by rolling a steel plate and is laid on the supporting floor slab (2), the cantilever end of the supporting beam base plate extends out of the edge of the supporting floor slab (2) by 20-40 cm, and a base plate corner brace (80) is arranged at the joint of the supporting beam base plate (10) and the adjacent hollow edge of the supporting floor slab (2).
In the step 3), the connecting inclined plate (31) is connected with the platform top plate (29) through an inclined plate connecting belt (81); the sliding skip (32) consists of a skip sliding plate (82) and a rotating baffle (83), a baffle rotating shaft (84) is arranged at the joint of the skip sliding plate (82) and the rotating baffle (83), and baffle connecting ribs (85) are arranged on the inner side wall of the rotating baffle (83); a connecting rod (86) in the skip car is arranged between the skip car sliding plate (82) and the baffle connecting rib (85), and the baffle connecting rib (85) is connected with the connecting rod (86) in the skip car through a third connecting ring (87).
In the step 4), the strut bottom plate (33) is formed by rolling a steel plate, and the cross section of the strut bottom plate is Z-shaped; a bottom plate fixing support rod (88) and an internal ejector rod (40) are arranged on the support frame bottom plate (33), and a jacking pressure adjusting bolt (39) and an ejector rod pressing plate (89) are arranged on the internal ejector rod (40); the bottom plate fixing support rod (88) is connected with the pressure plate adjustable support rod (36) through a support rod connecting shaft (90), and a pressure plate adjusting bolt (91) is arranged on the pressure plate adjustable support rod (36); the pressing plate adjustable support rods (36) are formed by rolling steel pipes, the number of each bundle is 2-3, and a pressing plate rotating hinge (92) and a rotating pressing plate (37) are arranged at the joint of each bundle and the cantilever support beam (1); the bottom plate adjustable stay bar (35) is provided with a bottom support adjusting bolt (93), one end of the bottom plate adjustable stay bar is connected with the support frame bottom plate (33) through a stay bar rotating hinge (94), and the other end of the bottom plate adjustable stay bar is connected with the floor bottom beam (3) through a pressing plate rotating hinge (92) and a rotating pressing plate (37).
In the step 6), the cross section of the supporting beam connecting body (54) is in a right-angled triangle shape, the inclined angle of the inclined edge of the supporting beam connecting body is the same as that of the waterproof cloth supporting beam (55), and the upper surface of the supporting beam connecting body is provided with a connecting mortise (44) which is similar to the supporting beam connecting tenon (56); the waterproof cloth supporting beam (55) is formed by rolling profile steel or a steel pipe, and the cross section of the waterproof cloth supporting beam is in an isosceles triangle shape; the tie bar connecting plate (60) is formed by rolling a steel plate, and a tie bar embedding groove (96) is arranged on the tie bar connecting plate (60); the cross section of the limiting connecting rod (63) is L-shaped; the position control connecting groove plate (65) is vertically welded and connected with the rain cloth position control plate (57).
In the step 7), the hoisting end slot (69) is sleeved at the outer side end of the cantilever support beam (1), an end slot hanging plate (73) is arranged on the upper surface of the hoisting end slot (69), and a pull rod end plate (100) is arranged on the end slot hanging plate (73); the supporting beam guide body (71) consists of a guide body lug plate (97) and a guide limiting frame (95), and a supporting beam guide groove (48) is enclosed by the guide limiting frame (95); the cross section of the supporting beam guide groove (48) is rectangular, the longitudinal section of the supporting beam guide groove is in a right trapezoid shape, and the jacking height and the width of the supporting beam guide groove are 10% -20% larger than those of the cantilever supporting beam (1); the pull rod guide body (74) consists of a support plate bottom plate (78) and a guide support plate (38), and pull rod penetrating holes (17) are formed in the pull rod position control plate (70) and the end groove hanging plate (73) of the guide support plate (38).
According to another aspect of the invention, the invention provides a turnover type composite anchoring unloading platform constructed by the method.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (10)
1. The construction method of the turnover type composite anchoring unloading platform is characterized by comprising the following construction steps:
1) construction preparation: preparing a cantilever supporting beam (1) with the size meeting the requirement, and carrying out concrete pouring construction for supporting a floor slab (2) and a floor slab bottom beam (3); accurately constructing the required building materials;
2) the cantilever supporting beam (1) is arranged: the method comprises the steps that a plastic sleeve (4) is preset on a support floor slab (2), a sleeve limiting ring (5) is arranged on the outer side of the plastic sleeve (4), a limiting ring supporting rib (7) is arranged between the sleeve limiting ring (5) and an in-slab steel bar (6) on the support floor slab (2), an anchor rib bottom base plate (8) is arranged on a fastening anchor rib (9) in a penetrating mode, the fastening anchor rib (9) penetrates through the plastic sleeve (4), a supporting beam base plate (10) and an overhanging supporting beam (1) are sequentially arranged on the support floor slab (2), and an anchor frame pressing plate (12) with a pressing plate base strip (11) arranged on the bottom surface is arranged on the upper surface of the overhanging supporting beam (1); a position-correcting outer baffle (13) is arranged between two adjacent rows of fastening anchor bars (9), and a transverse position-correcting rod (14) is arranged on the position-correcting outer baffle (13); a position correcting inner supporting plate (15) is arranged at the joint of the transverse position correcting rod (14) and the cantilever supporting beam (1);
3) installing a composite anchoring construction platform: laying a supporting beam base plate (10) and an overhanging supporting beam (1) on a supporting floor (2) and a floor bottom beam (3), connecting a base plate angle support (80) at the lower part of the supporting beam base plate (10) with the supporting floor (2), arranging a limiting groove plate (18), a first connecting ring (19) and a beam top connecting plate (21) on the overhanging supporting beam (1), and arranging an adjustable supporting body (22) and a fixed supporting body (23) between the opposite limiting groove plates (18); a connecting limiting rib (24) is arranged on a floor bottom beam (3) on the upper layer, a connecting ring sleeve rod (25) is arranged on the connecting limiting rib (24), a beam supporting inhaul cable (27) is firmly connected with a first connecting ring (19), a second connecting ring (28) is connected with the connecting ring sleeve rod (25), a platform top plate (29), a sliding track (30) and a connecting inclined plate (31) are sequentially arranged on an adjustable supporting body (22) and a fixed supporting body (23), and a sliding skip (32) is arranged on the sliding track (30);
4) the upper layer cantilever beam (1) is laid: a supporting beam base plate (10) is laid on the supporting floor (2) on the upper layer, and a base plate angle brace (80) connected with the floor bottom beam (3) is arranged on the lower surface of the supporting beam base plate (10); a support bottom plate (33) is arranged on the support floor slab (2) at the lower layer, one end of an adjustable support rod (36) of a pressure plate is arranged on the support bottom plate (33), a rotary pressure plate (37) at the end part is connected with the cantilever support beam (1), the position of the rotary pressure plate (37) is limited by a limit slotted plate (18) at the lower surface of the cantilever support beam (1), and a top pressure is applied to the support bottom plate (33) through a built-in ejector rod (40) arranged between the support floor slabs (2) at the upper layer and the lower layer;
5) platform protection installation: uniformly arranging strut limiting bodies (101) on the cantilever strut beam (1) at intervals along the length direction, fixing vertical struts (43) on the strut limiting bodies (101), arranging a column side lantern ring (46) and a cross rod connecting body (47) on the vertical struts (43), arranging an oblique pull rod (49) between the column side lantern ring (46) and the beam top connecting plate (21), and arranging a transverse connecting rod (50) in the cross rod connecting body (47); a vertical pull rod (52) is arranged between the beam top connecting plate (21) and the transverse connecting rod (50), fastening pressure is applied to the vertical pull rod (52) through a pull rod fastening bolt (53), a railing protective net (98) is arranged between adjacent vertical supporting columns (43), and the top edge and the bottom edge of the railing protective net (98) are respectively connected with the transverse connecting rod (50) and the cantilever supporting beam (1);
6) the rain-proof device is provided with: a supporting beam connecting body (54) is arranged at the top end of the vertical supporting column (43), and the supporting beam connecting body (54) is connected with a waterproof cloth supporting beam (55) through a supporting beam connecting tenon (56); the waterproof cloth supporting beam (55) is provided with a waterproof cloth position control plate (57) and a water retaining edge plate (99), telescopic waterproof cloth (58) is arranged between the waterproof cloth supporting beams (55) which are longitudinally adjacent, a beam bottom lacing wire (59) on the lower surface of the waterproof cloth supporting beam (55) is connected with a lacing wire connecting plate (60) on the outer side of a vertical supporting column (43) through a lacing wire anchoring plate (61), an elastic position control body (62) and a limiting connecting rod (63) are arranged between two waterproof cloth position control plates (57) which are opposite in mirror image, the telescopic waterproof cloth (58) is connected with the waterproof cloth position control plates (57), and two ends of the limiting connecting rod (63) are respectively connected with a position control connecting groove plate (65) through a connecting rod rotating shaft (64); a position control plate inhaul cable (66) on the waterproof cloth position control plate (57) is connected with external rolling and pulling equipment; a water storage tank (67) is arranged on the platform top plate (29), and the water storage tank (67) is connected with a downpipe (68);
7) dismantling the cantilever supporting beam (1): a hoisting end groove (69) is arranged at the end part of the cantilever supporting beam (1), and a pull rod position control plate (70) is arranged in the middle; the inner end part of the cantilever beam (1) is connected with the beam guide body (71); the hoisting pull rod (72) sequentially passes through the end slot hanging plate (73), the pull rod position control plate (70) and the pull rod guide body (74) and is connected with a rolling rope (76) through a conversion baffle plate (75); connecting the reeling and pulling rope (76) to the reeling and pulling machine (77); an auxiliary weight pressing body (79) is arranged on a support plate bottom plate (78) of the pull rod position control plate (70); the cantilever beam (1) is transversely pulled to the supporting floor (2) by a rolling rope (76).
2. The construction method of the turnover type composite anchoring discharging platform according to claim 1, characterized in that: in the step 2), the anchor bar through holes (20) are formed in the anchor bar bottom backing plate (8); the supporting beam base plate (10) is laid on the supporting floor slab (2), the cantilever end of the supporting beam base plate extends out of the edge of the supporting floor slab (2), and a base plate angle brace (80) is arranged at the joint of the supporting beam base plate (10) and the hollow edge of the supporting floor slab (2).
3. The construction method of the turnover type composite anchoring discharging platform according to claim 1, characterized in that: in the step 2), the cantilever supporting beam (1) is initially limited by fastening anchor bars (9); the anchor frame pressing plate (12) is firmly connected with the cantilever supporting beam (1) through anchor frame bolts (16).
4. The construction method of the turnover type composite anchoring discharging platform according to claim 1, characterized in that: in the step 3), the connecting inclined plate (31) is connected with the platform top plate (29) through an inclined plate connecting belt (81); the sliding skip (32) consists of a skip sliding plate (82) and a rotating baffle (83), a baffle rotating shaft (84) is arranged at the joint of the skip sliding plate (82) and the rotating baffle (83), and baffle connecting ribs (85) are arranged on the inner side wall of the rotating baffle (83); a connecting rod (86) in the skip car is arranged between the skip car sliding plate (82) and the baffle connecting rib (85), the baffle connecting rib (85) is connected with the connecting rod (86) in the skip car through a third connecting ring (87), and the connecting limiting rib (24) is firmly connected with the floor bottom beam (3) through the limiting connecting plate (26).
5. The construction method of the turnover type composite anchoring discharging platform according to claim 1, characterized in that: in the step 4), a bottom plate anti-skidding tenon (34) and a bottom plate adjustable supporting rod (35) are arranged at the joint of the support frame bottom plate (33) and the floor bottom beam (3), a jacking pressure adjusting bolt (39) arranged on the pressure plate adjustable supporting rod (36) is adjusted, a position control pressure plate (41) is arranged at the end part of the inner side of the cantilever supporting beam (1), and the position control pressure plate (41) is firmly connected with the cantilever supporting beam (1) through the position control end rod (42).
6. The construction method of the turnover type composite anchoring discharging platform according to claim 1, characterized in that: in the step 4), the cross section of the bracket bottom plate (33) is Z-shaped; a bottom plate fixing support rod (88) and an internal ejector rod (40) are arranged on the support frame bottom plate (33), and a jacking pressure adjusting bolt (39) and an ejector rod pressing plate (89) are arranged on the internal ejector rod (40); the bottom plate fixing support rod (88) is connected with the pressure plate adjustable support rod (36) through a support rod connecting shaft (90), and a pressure plate adjusting bolt (91) is arranged on the pressure plate adjustable support rod (36); a pressure plate rotating hinge (92) and a rotating pressure plate (37) are arranged at the joint of the pressure plate adjustable stay bar (36) and the cantilever supporting beam (1); the bottom plate adjustable stay bar (35) is provided with a bottom support adjusting bolt (93), one end of the bottom plate adjustable stay bar is connected with the support frame bottom plate (33) through a stay bar rotating hinge (94), and the other end of the bottom plate adjustable stay bar is connected with the floor bottom beam (3) through a pressing plate rotating hinge (92) and a rotating pressing plate (37).
7. The construction method of the turnover type composite anchoring discharging platform according to claim 1, characterized in that: in the step 5), the vertical support column (43) is inserted into a connecting mortise (44) on the support column limiting body (101), is fastened through a positioning bolt (45), and is limited for the transverse connecting rod (50) through a transverse rod limiting rib (51).
8. The construction method of the turnover type composite anchoring discharging platform according to claim 1, characterized in that: in the step 6), the cross section of the supporting beam connecting body (54) is in a right-angled triangle shape, the inclined angle of the inclined edge of the supporting beam connecting body is the same as that of the waterproof cloth supporting beam (55), and the upper surface of the supporting beam connecting body is provided with a connecting mortise (44) matched with the supporting beam connecting tenon (56) in shape; the waterproof cloth supporting beam (55) is formed by rolling profile steel or a steel pipe, the cross section of the waterproof cloth supporting beam is in an isosceles triangle shape, and a lacing wire embedded groove (96) is formed in the lacing wire connecting plate (60); the cross section of the limiting connecting rod (63) is L-shaped; the position control connecting groove plate (65) is vertically welded and connected with the rain cloth position control plate (57).
9. The construction method of the turnover type composite anchoring discharging platform according to claim 1, characterized in that: in the step 7), the hoisting end slot (69) is sleeved at the outer side end of the cantilever support beam (1), an end slot hanging plate (73) is arranged on the upper surface of the hoisting end slot (69), and a pull rod end plate (100) is arranged on the end slot hanging plate (73); the supporting beam guide body (71) consists of a guide body lug plate (97) and a guide limiting frame (95), and a supporting beam guide groove (48) is enclosed by the guide limiting frame (95); the cross section of the supporting beam guide groove (48) is rectangular, the longitudinal section of the supporting beam guide groove is in a right trapezoid shape, and the top height and the width of the supporting beam guide groove are larger than those of the cantilever supporting beam (1); the pull rod guide body (74) consists of a support plate bottom plate (78) and a guide support plate (38), and pull rod penetrating holes (17) are formed in the pull rod position control plate (70) and the end groove hanging plate (73) of the guide support plate (38).
10. A turnover type composite anchoring unloading platform, which is characterized by being obtained by the construction method of the turnover type composite anchoring unloading platform according to any one of claims 1 to 9.
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| CN201910419910.6A CN110130656B (en) | 2019-05-20 | 2019-05-20 | Turnover type composite anchoring unloading platform and construction method |
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| CN201910419910.6A CN110130656B (en) | 2019-05-20 | 2019-05-20 | Turnover type composite anchoring unloading platform and construction method |
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| CN112962984A (en) * | 2021-02-22 | 2021-06-15 | 武汉市市政建设集团有限公司 | Integral type is encircleed platform of unloading for building in advance |
| CN115075530B (en) * | 2022-07-01 | 2024-03-22 | 中亿丰建设集团股份有限公司 | Cantilever structure and construction method thereof |
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