CN113914598A - Liftable connection method of construction platform cantilever beam based on I-steel stand column - Google Patents
Liftable connection method of construction platform cantilever beam based on I-steel stand column Download PDFInfo
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- CN113914598A CN113914598A CN202111311164.2A CN202111311164A CN113914598A CN 113914598 A CN113914598 A CN 113914598A CN 202111311164 A CN202111311164 A CN 202111311164A CN 113914598 A CN113914598 A CN 113914598A
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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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
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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
- E04G5/00—Component parts or accessories for scaffolds
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/006—Scaffold with cantilevered sections, e.g. to accommodate overhangs or recesses in the facade
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/06—Consoles; Brackets
- E04G5/061—Consoles; Brackets specially adapted for attachment to scaffolds
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G2005/008—Hoisting devices specially adapted as part of a scaffold system
Abstract
The invention discloses a liftable connection method of a construction platform cantilever beam based on an I-steel stand column, which solves the problem of how to construct a construction platform which can be conveniently lifted along the I-steel structure stand column; a front left clamp (4) and a front right clamp (5) are clamped on a front flange plate of an I-shaped steel structure upright post (1), a rear left clamp (7) and a rear right clamp (8) are clamped on a rear flange plate of the I-shaped steel structure upright post (1), a front end two-side overhanging steel pipe beam (6) is arranged between the front left clamp (4) and the front right clamp (5) along the horizontal direction, a rear end two-side overhanging steel pipe beam (9) is arranged between the rear left clamp (7) and the rear right clamp (8) along the horizontal direction, and a construction platform is arranged between an overhanging end of the front end two-side overhanging steel pipe beam (6) and an overhanging end of the rear end two-side overhanging steel pipe beam (9); the convenient movement of the whole construction platform from top to bottom can be realized, and the stability and the safety of the construction platform are ensured.
Description
Technical Field
The invention relates to a construction structure of a construction platform, in particular to a liftable connection structure of a cantilever beam of the construction platform fixed on an I-shaped steel stand column in the installation process of a thermal power generating unit boiler and a liftable connection method of the cantilever beam of the construction platform based on the I-shaped steel stand column.
Background
In the process of mounting a boiler of a thermal power generating unit, the boiler structure is an all-steel structure framework, and the structures are connected by adopting high-strength bolts; when the I-shaped steel structure upright post is hoisted, the upright post and the upright post are connected by manpower, and the upright post and the cross beam are connected; during connection, a firm and reliable 'construction platform' needs to be set up for constructors for construction operation; the erection of the existing construction platform is generally through structures such as screws, the joints of the erected construction platform and the supporting beam column are connected together in a fixed connection structure mode, when the height of the construction platform needs to be adjusted, the original platform can only be detached, and a new platform is erected at the required height.
Disclosure of Invention
The invention provides a lifting connection method of a construction platform cantilever beam based on an I-steel stand column, and solves the technical problem of how to construct a construction platform capable of conveniently lifting along the I-steel structure stand column.
The invention solves the technical problems by the following technical scheme:
a construction platform cantilever beam connecting structure based on an I-steel stand column comprises the I-steel structure stand column vertically arranged along the vertical direction, a front left clamp is clamped on a front left side flange plate of the I-steel structure stand column, a front right clamp is clamped on a front right side flange plate of the I-steel structure stand column, a rear left clamp is clamped on a rear left side flange plate of the I-steel structure stand column, a rear right clamp is clamped on a rear right side flange plate of the I-steel structure stand column, a front end two-side cantilever steel pipe beam is arranged between the front left clamp and the front right clamp along the horizontal direction, the front end two-side cantilever steel pipe beam is arranged on the outer side surface of the front side flange plate, a rear end two-side cantilever steel pipe beam is arranged between the rear left clamp and the rear right clamp along the horizontal direction, the rear end two-side cantilever steel pipe beam is arranged on the outer side surface of the rear side flange plate, the structure of the front left clamp, the structure of the front right clamp, the structure of the rear left clamp and the structure of the rear right clamp are completely the same, the front left clamp consists of a box-type frame, a piston block and an upper jackscrew, and the upper jackscrew is arranged on a top end plate of the box-type frame and penetrates through a screw hole; the left and right side plates of the box-shaped frame are L-shaped, and an L-shaped convex tongue is formed at the lower end of the box-shaped frame; the left side plate of the L shape is provided with a left long through hole in the vertical direction, a guide post in the vertical direction is arranged in the left long through hole, a right long through hole in the vertical direction is arranged on the right side plate of the L shape, another guide post in the vertical direction is arranged in the right long through hole, the box-shaped frame is movably provided with a piston block, a left side lug is fixedly arranged on the left side surface of the piston block, a left side lug guide through hole is arranged on the left side lug, the left side lug is movably connected on the guide post in the vertical direction through the left side lug guide through hole, a right side lug is fixedly arranged on the right side surface of the piston block, a right side lug guide through hole is arranged on the right side lug, and the right side lug is movably connected on the other guide post in the vertical direction through the right side lug guide through hole; a left spring is sleeved on the vertical guide post below the left lug, a right spring is arranged on the other vertical guide post below the right lug, an arc-shaped groove is formed in the top end surface of the piston block, cantilever beam steel pipes on two sides of the front end penetrate through the arc-shaped groove formed in the top end surface of the piston block, an upper jackscrew penetrates through the screw hole and is connected with the upper jackscrew, and the lower end of the upper jackscrew abuts against the cantilever beam steel pipes on two sides of the front end; the L-shaped tab is hooked on the inside face of the front left flange panel.
Arc holding pieces are arranged between the arc groove and the cantilever beam steel pipes on the two sides of the front end, a lower jackscrew cross-connecting screw hole is arranged on the arc groove, and the head of the lower jackscrew penetrates through the lower jackscrew cross-connecting screw hole from bottom to top and then is abutted to the lower bottom surface of the arc holding pieces.
The lower end of the upper jackscrew is provided with a conical center, grooves are formed in cantilever beam steel pipes on two sides of the front end in the front left fixture in a penetrating mode, and the conical center is abutted in the grooves formed in the cantilever beam steel pipes on two sides of the front end.
A lifting connection method of a construction platform cantilever beam based on an I-steel stand column comprises the I-steel structure stand column vertically arranged along the vertical direction, a front left clamp is clamped on a front left side flange plate of the I-steel structure stand column, a front right clamp is clamped on a front right side flange plate of the I-steel structure stand column, a rear left clamp is clamped on a rear left side flange plate of the I-steel structure stand column, a rear right clamp is clamped on a rear right side flange plate of the I-steel structure stand column, a front end two-side cantilever steel pipe beam is arranged between the front left clamp and the front right clamp along the horizontal direction, the front end two-side cantilever steel pipe beam is arranged on the outer side surface of the front side flange plate, a rear end two-side cantilever steel pipe beam is arranged between the rear left clamp and the rear right clamp along the horizontal direction, the rear end two-side cantilever steel pipe beam is arranged on the outer side surface of the rear side flange plate, a construction platform is arranged between the overhanging end of the overhanging steel tube beam on the two sides of the front end and the overhanging end of the overhanging steel tube beam on the two sides of the rear end; the method is characterized by comprising the following steps:
firstly, processing and manufacturing a front left clamp: the method comprises the following steps of (1) fixedly connecting an L-shaped left side plate, an L-shaped right side plate, a top end plate and a bottom end plate into a box-shaped frame, machining an upper jackscrew on the top end plate to penetrate through a screw hole, machining a left strip-shaped through hole on the L-shaped left side plate, machining a right strip-shaped through hole on the L-shaped right side plate, and movably connecting an upper guide post and a lower guide post in two strip-shaped holes; a left spring is sleeved on the up-down direction guide post below the left lug, a right spring is arranged on the other up-down direction guide post below the right lug, an arc-shaped groove is formed in the top end surface of the piston block, and an arc-shaped groove is formed in the top end surface of the piston block; the structure of the front left clamp, the structure of the front right clamp, the structure of the rear left clamp and the structure of the rear right clamp are completely the same;
secondly, hooking an L-shaped convex tongue on a front left fixture on the inner side surface of a front left flange plate, then horizontally connecting cantilever steel pipe beams on two sides of the front end on an arc-shaped groove arranged on the top end surface of a piston block in the front left fixture in a penetrating manner, enabling the cantilever steel pipe beams on two sides of the front end to be abutted on the outer side surface of the front side flange plate, finally, screwing an upper jackscrew into the upper jackscrew to penetrate through a screw hole, and tightly jacking the cantilever steel pipe beams on two sides of the front end by rotating the upper jackscrew; hooking the front right fixture on the inner side surface of the front right flange plate by the same method, and enabling the overhanging steel pipe beams on two sides of the front end to penetrate into the front right fixture;
thirdly, repeating the second step, hooking the rear left clamp and the rear right clamp on the inner side surface of the rear side flange plate respectively, and connecting the overhanging steel tube beams on the two sides of the rear end between the rear left clamp and the rear right clamp in a penetrating manner;
fourthly, a construction platform is erected between the overhanging ends of the overhanging steel tube beams on the two sides of the front end and the overhanging ends of the overhanging steel tube beams on the two sides of the rear end;
fifthly, if the construction platform is required to be lifted, the upper jacking wires on the front left fixture and the upper jacking wires on the other three fixtures are loosened, the steel pipe beams with the two sides of the front end overhanging and the steel pipe beams with the two sides of the rear end overhanging are synchronously moved to the new height position on the I-shaped steel structure upright post, and then the four upper jacking wires are screwed and fixed, so that the whole displacement of the construction platform is realized.
A conical center is arranged at the lower end of the upper jackscrew, grooves are formed in cantilever beam steel pipes on two sides of the front end, which are connected in the front left fixture in a penetrating manner, and the conical center is abutted in the grooves formed in the cantilever beam steel pipes on two sides of the front end; arc holding pieces are arranged between the arc groove and the cantilever beam steel pipes on two sides of the front end, lower jackscrew cross-connecting screw holes are formed in the arc groove, the head of the lower jackscrew penetrates through the lower jackscrew cross-connecting screw holes from bottom to top, and the lower jackscrew is screwed loose when the construction platform is moved.
The invention uses the clamping devices clamped on the four flange plates of the I-shaped upright post and the horizontally-cantilevered steel pipe beams passing through the two clamping devices as the erection support of the construction platform, and can realize convenient movement of the whole construction platform up and down only by screwing or loosening the jackscrews on the clamping devices, thereby ensuring the stability and safety of the construction platform.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the front left clamp 4 of the present invention;
fig. 3 is a schematic view of the front left jig 4 of the invention in a longitudinal section;
fig. 4 is a schematic structural view of the box-type frame 10 of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a construction platform cantilever beam connecting structure based on an I-steel stand column comprises an I-steel structure stand column 1 vertically arranged along the up-down direction, a front left clamp 4 is clamped on a front left side flange plate 2 of the I-steel structure stand column 1, a front right clamp 5 is clamped on a front right side flange plate of the I-steel structure stand column 1, a rear left clamp 7 is clamped on a rear left side flange plate 3 of the I-steel structure stand column 1, a rear right clamp 8 is clamped on a rear right side flange plate of the I-steel structure stand column 1, a rear end two-side cantilever steel tube beam 9 is arranged between the front left clamp 4 and the front right clamp 5 along the horizontal direction, the front end two-side cantilever steel tube beam 6 is arranged on the outer side surface of the front side flange plate, the rear left clamp 7 and the rear right clamp 8 along the horizontal direction, the rear end two-side cantilever steel tube beam 9 is arranged on the outer side surface of the rear side flange plate, the structure of the front left clamp 4, the structure of the front right clamp 5, the structure of the rear left clamp 7 and the structure of the rear right clamp 8 are completely the same, the front left clamp 4 is composed of a box-type frame 10, a piston block 12 and an upper jackscrew 21, and the upper jackscrew passing through a screw hole 20 is arranged on a top end plate 22 of the box-type frame 10; the left and right side plates of the box-shaped frame 10 are both L-shaped, and an L-shaped convex tongue 11 is formed at the lower end of the box-shaped frame 10; a left long through hole 14 in the vertical direction is formed in the L-shaped left side plate, a vertical guide post 15 is arranged in the left long through hole 14, a right long through hole 25 in the vertical direction is formed in the L-shaped right side plate, another vertical guide post is arranged in the right long through hole 25, a piston block 12 is movably arranged in the box-shaped frame 10, a left lug 13 is fixedly arranged on the left side surface of the piston block 12, a left lug guide through hole 16 is formed in the left lug 13, the left lug 13 is movably connected to the vertical guide post 15 through the left lug guide through hole 16, a right lug is fixedly arranged on the right side surface of the piston block 12, a right lug guide through hole is formed in the right lug, and the right lug is movably connected to the other vertical guide post through the right lug guide through hole; a left spring 17 is sleeved on the up-down direction guide post 15 below the left lug 13, a right spring is arranged on the other up-down direction guide post below the right lug, an arc groove 18 is arranged on the top end surface of the piston block 12, the front end two-side cantilever beam steel pipe 6 is connected on the arc groove 18 arranged on the top end surface of the piston block 12 in a penetrating manner, an upper jackscrew 21 is connected on the upper jackscrew passing through a screw hole 20, and the lower end of the upper jackscrew 21 is connected on the front end two-side cantilever beam steel pipe 6 in a propping manner; the L-shaped tab 11 is hooked over the inside face of the front left flange plate 2.
Arc-shaped clamping pieces 19 are arranged between the arc-shaped groove 18 and the cantilever beam steel pipes 6 on the two sides of the front end, a lower jackscrew penetrating and connecting screw hole 26 is arranged on the arc-shaped groove 18, and the head of the lower jackscrew 27 penetrates through the lower jackscrew penetrating and connecting screw hole 26 from bottom to top and then is abutted to the lower bottom surface of the arc-shaped clamping pieces 19.
The lower end of the upper jackscrew 21 is provided with a conical center 24, grooves are formed in cantilever beam steel pipes 6 on two sides of the front end in the front left fixture 4 in a penetrating mode, and the conical center 24 is abutted to the grooves formed in the cantilever beam steel pipes 6 on two sides of the front end.
A lifting connection method of a construction platform cantilever beam based on an I-steel stand column comprises the I-steel structure stand column 1 vertically arranged along the up-down direction, a front left clamp 4 is clamped on a front left side flange plate 2 of the I-steel structure stand column 1, a front right clamp 5 is clamped on a front right side flange plate of the I-steel structure stand column 1, a rear left clamp 7 is clamped on a rear left side flange plate 3 of the I-steel structure stand column 1, a rear right clamp 8 is clamped on a rear right side flange plate of the I-steel structure stand column 1, a rear end two-side cantilever steel tube beam 9 is arranged between the front left clamp 4 and the front right clamp 5 along the horizontal direction, the front end two-side cantilever steel tube beam 6 is arranged on the outer side surface of the front side flange plate, the rear left clamp 7 and the rear right clamp 8 along the horizontal direction, the rear end two-side cantilever steel tube beam 9 is arranged on the outer side surface of the rear side flange plate, a construction platform is arranged between the overhanging end of the overhanging steel tubular beam 6 at the two sides of the front end and the overhanging end of the overhanging steel tubular beam 9 at the two sides of the rear end; the method is characterized by comprising the following steps:
firstly, processing and manufacturing a front left clamp 4: an L-shaped left side plate, an L-shaped right side plate, a top end plate 22 and a bottom end plate 23 are fixedly connected to form a box-shaped frame 10, an upper jackscrew is processed on the top end plate 22 and passes through the screw hole 20, a left long through hole 14 is processed on the L-shaped left side plate, a right strip-shaped through hole is processed on the L-shaped right side plate, a vertical guide post 15 is arranged in each of the two strip-shaped through holes, in the box-type frame 10, a piston block 12 is movably arranged, a left side lug 13 is fixedly arranged on the left side surface of the piston block 12, a left lug guide through hole 16 is arranged on the left lug 13, the left lug 13 is movably connected on a vertical guide post 15 through the left lug guide through hole 16, a right side lug is fixedly arranged on the right side surface of the piston block 12, a right side lug guide through hole is arranged on the right side lug, and the right side lug is movably connected on the other vertical guide column in a penetrating manner through the right side lug guide through hole; a left spring 17 is sleeved on the vertical guide post 15 below the left lug 13, a right spring is arranged on the other vertical guide post below the right lug, an arc-shaped groove 18 is arranged on the top end surface of the piston block 12, and the arc-shaped groove 18 is arranged on the top end surface of the piston block 12; the structure of the front left clamp 4, the structure of the front right clamp 5, the structure of the rear left clamp 7 and the structure of the rear right clamp 8 are completely the same;
secondly, hooking an L-shaped convex tongue 11 on a front left fixture 4 on the inner side surface of a front left flange plate 2, then horizontally penetrating and connecting cantilever steel tubular beams 6 on two sides of the front end on an arc-shaped groove 18 formed in the top end surface of a piston block 12 in the front left fixture 4, enabling the cantilever steel tubular beams 6 on two sides of the front end to be abutted on the outer side surface of the front side flange plate, finally screwing an upper jackscrew 21 into the upper jackscrew to penetrate through a screw hole 20, and tightly jacking the cantilever steel tubular beams 6 on two sides of the front end by rotating the upper jackscrew 21; hooking the front right fixture 5 on the inner side surface of the front right flange plate by the same method, and enabling the overhanging steel tubular beams 6 on the two sides of the front end to penetrate through the front right fixture 5;
thirdly, repeating the second step, hooking the rear left clamp 7 and the rear right clamp 8 on the inner side surface of the rear side flange plate respectively, and connecting the cantilever steel tubular beams 9 on the two sides of the rear end between the rear left clamp 7 and the rear right clamp 8 in a penetrating manner;
fourthly, a construction platform is erected between the overhanging ends of the overhanging steel tubular beams 6 on the two sides of the front end and the overhanging ends of the overhanging steel tubular beams 9 on the two sides of the rear end;
fifthly, if the construction platform is required to be lifted, the upper jacking wires 21 on the front left fixture 4 and the upper jacking wires on the other three fixtures are loosened, the steel pipe beams 6 with the two overhanging sides of the front end and the steel pipe beams 9 with the two overhanging sides of the rear end are synchronously moved to new height positions on the I-shaped steel structure upright post 1, and then the four upper jacking wires are screwed and fixed, so that the whole displacement of the construction platform is realized.
A conical centre 24 is arranged at the lower end of the upper jackscrew 21, grooves are formed in cantilever beam steel pipes 6 on two sides of the front end in the front left fixture 4 in a penetrating mode, and the conical centre 24 is abutted and connected in the grooves formed in the cantilever beam steel pipes 6 on two sides of the front end; arc-shaped clamping pieces 19 are arranged between the arc-shaped groove 18 and the cantilever beam steel pipes 6 on the two sides of the front end, a lower jackscrew cross-connecting screw hole 26 is formed in the arc-shaped groove 18, the head of the lower jackscrew 27 penetrates through the lower jackscrew cross-connecting screw hole 26 from bottom to top and then is in butt joint with the lower bottom surface of the arc-shaped clamping piece 19, and when the construction platform is moved, the lower jackscrew 27 is unscrewed.
Claims (2)
1. A lifting connection method of a construction platform cantilever beam based on an I-steel stand column comprises the I-steel structure stand column (1) vertically arranged along the vertical direction, a front left clamp (4) is clamped on a front left side flange plate (2) of the I-steel structure stand column (1), a front right clamp (5) is clamped on a front right side flange plate of the I-steel structure stand column (1), a rear left clamp (7) is clamped on a rear left side flange plate (3) of the I-steel structure stand column (1), a rear right clamp (8) is clamped on a rear right side flange plate of the I-steel structure stand column (1), a front end two side cantilever steel pipe beam (6) is arranged between the front left clamp (4) and the front right clamp (5) along the horizontal direction, the front end two side cantilever steel pipe beams (6) are arranged on the outer side surface of the front side flange plate, and between the rear left clamp (7) and the rear right clamp (8), the rear-end two-side overhanging steel tube beams (9) are arranged along the horizontal direction, the rear-end two-side overhanging steel tube beams (9) are arranged on the outer side surface of the rear-side flange plate, and a construction platform is arranged between the overhanging ends of the front-end two-side overhanging steel tube beams (6) and the overhanging ends of the rear-end two-side overhanging steel tube beams (9); the method is characterized by comprising the following steps:
firstly, processing and manufacturing a front left fixture (4): an L-shaped left side plate, an L-shaped right side plate, a top end plate (22) and a bottom end plate (23) are taken and fixedly connected to form a box-shaped frame (10), an upper jackscrew is processed on the top end plate (22) to penetrate through a screw hole (20), a left long through hole (14) is processed on the L-shaped left side plate, a right long through hole is processed on the L-shaped right side plate, an up-and-down direction guide post (15) is arranged in each long hole, a piston block (12) is movably arranged in the box-shaped frame (10), a left lug (13) is fixedly arranged on the left side surface of the piston block (12), a left lug guide through hole (16) is arranged on the left lug (13), a left lug (13) is movably connected on the up-and-down direction guide post (15) through the left lug guide through hole (16), a right lug is fixedly arranged on the right side surface of the piston block (12), and a right lug guide through hole is arranged on the right lug, the right lug is movably connected on the other vertical guide post in a penetrating way through the right lug guide through hole; a left spring (17) is sleeved on the vertical guide post (15) below the left lug (13), a right spring is arranged on the other vertical guide post below the right lug, an arc-shaped groove (18) is arranged on the top end surface of the piston block (12), and the arc-shaped groove (18) is arranged on the top end surface of the piston block (12); the structure of the front left clamp (4), the structure of the front right clamp (5), the structure of the rear left clamp (7) and the structure of the rear right clamp (8) are completely the same;
secondly, hooking an L-shaped convex tongue (11) on a front left fixture (4) on the inner side surface of a front left flange plate (2), then horizontally connecting cantilever steel pipe beams (6) on two sides of the front end on an arc-shaped groove (18) formed in the top end surface of a piston block (12) in the front left fixture (4) in a penetrating manner, enabling the cantilever steel pipe beams (6) on two sides of the front end to be abutted against the outer side surface of the front side flange plate, finally screwing an upper jackscrew (21) into the upper jackscrew passing through a screw hole (20), and jacking the cantilever steel pipe beams (6) on two sides of the front end tightly by rotating the upper jackscrew (21); hooking the front right fixture (5) on the inner side surface of the front right flange plate by the same method, and enabling the overhanging steel tubular beams (6) on the two sides of the front end to penetrate through the front right fixture (5);
thirdly, repeating the second step, hooking the rear left fixture (7) and the rear right fixture (8) on the inner side surface of the rear side flange plate respectively, and connecting the overhanging steel tubular beams (9) on the two sides of the rear end between the rear left fixture (7) and the rear right fixture (8) in a penetrating manner;
fourthly, a construction platform is erected between the overhanging ends of the overhanging steel tubular beams (6) on the two sides of the front end and the overhanging ends of the overhanging steel tubular beams (9) on the two sides of the rear end;
fifthly, if the construction platform is required to be lifted, the upper jackscrews (21) on the front left fixture (4) and the upper jackscrews on the other three fixtures are loosened, the steel pipe beams (6) cantilevered on the two sides of the front end and the steel pipe beams (9) cantilevered on the two sides of the rear end are synchronously moved to the new height position on the I-shaped steel structure upright post (1), and the four upper jackscrews are screwed and fixed, so that the whole displacement of the construction platform is realized.
2. The liftable connection method of the cantilever beam of the construction platform based on the I-steel stand column is characterized in that a conical tip (24) is arranged at the lower end of an upper jackscrew (21), grooves are formed in cantilever beam steel pipes (6) on two sides of the front end, which are connected in a front left fixture (4) in a penetrating manner, and the conical tip (24) is connected in the grooves formed in the cantilever beam steel pipes (6) on two sides of the front end in a propping manner; arc clamping pieces (19) are arranged between the arc groove (18) and the cantilever beam steel pipes (6) on the two sides of the front end, a lower jackscrew cross-connection screw hole (26) is formed in the arc groove (18), the head of the lower jackscrew (27) penetrates through the lower jackscrew cross-connection screw hole (26) from bottom to top, the top of the lower jackscrew is connected to the lower bottom surface of the arc clamping pieces (19), and when the construction platform is moved, the lower jackscrew (27) is loosened in a screwing mode.
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2255468Y (en) * | 1996-05-23 | 1997-06-04 | 余鹏 | External basket for building construction |
| JP2002081206A (en) * | 2000-09-07 | 2002-03-22 | Nihon Bisoh Co Ltd | Combination hoisting accessory for gondola |
| CN206769349U (en) * | 2017-04-30 | 2017-12-19 | 中国能源建设集团山西电力建设第三有限公司 | Light clamper formula scaffold on joist steel upright |
| CN207406922U (en) * | 2017-11-15 | 2018-05-25 | 丁通 | A kind of automobile using stainless steel enhancing pad |
| CN208162964U (en) * | 2018-05-08 | 2018-11-30 | 张超晨 | A kind of welding fixture of the coal mine welder convenient for adjusting |
| CN208184192U (en) * | 2018-03-29 | 2018-12-04 | 宜昌泰和建筑工程有限公司 | Assembled architecture external platform hanging |
| CN108952135A (en) * | 2018-08-22 | 2018-12-07 | 中国二冶集团有限公司 | The erection method of steel post operation platform fixture and operating platform |
| CN109025235A (en) * | 2018-08-14 | 2018-12-18 | 中建局集团建设发展有限公司 | Wellbore operations platform and template integrated construction system and the method constructed using it |
| CN208690862U (en) * | 2018-08-25 | 2019-04-02 | 举视（上海）新能源科技有限公司 | Cable fixture is used in a kind of charging of new-energy automobile |
| CN210147507U (en) * | 2019-02-19 | 2020-03-17 | 江西华悦水利水电建筑安装有限公司 | Clamping device for steel pipe machining |
| CN211613852U (en) * | 2019-11-19 | 2020-10-02 | 长沙永昌车辆零部件有限公司 | Extrusion tooling dismouting auxiliary fixtures |
| CN212957566U (en) * | 2020-07-01 | 2021-04-13 | 山西四建集团有限公司 | Can have enough to meet need scaffold frame location fastener of encorbelmenting |
| CN213204488U (en) * | 2020-08-24 | 2021-05-14 | 江苏力拓建设发展有限公司 | Assembled construction steel bar embedded part |
| CN214237833U (en) * | 2020-12-18 | 2021-09-21 | 江苏世豪合金科技有限公司 | Positioning fixture for processing magnesium alloy building template |
| CN214331136U (en) * | 2021-02-07 | 2021-10-01 | 周丹丽 | Optimized fixture for fastening offshore wind power bolt |
-
2021
- 2021-11-08 CN CN202111311164.2A patent/CN113914598A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2255468Y (en) * | 1996-05-23 | 1997-06-04 | 余鹏 | External basket for building construction |
| JP2002081206A (en) * | 2000-09-07 | 2002-03-22 | Nihon Bisoh Co Ltd | Combination hoisting accessory for gondola |
| CN206769349U (en) * | 2017-04-30 | 2017-12-19 | 中国能源建设集团山西电力建设第三有限公司 | Light clamper formula scaffold on joist steel upright |
| CN207406922U (en) * | 2017-11-15 | 2018-05-25 | 丁通 | A kind of automobile using stainless steel enhancing pad |
| CN208184192U (en) * | 2018-03-29 | 2018-12-04 | 宜昌泰和建筑工程有限公司 | Assembled architecture external platform hanging |
| CN208162964U (en) * | 2018-05-08 | 2018-11-30 | 张超晨 | A kind of welding fixture of the coal mine welder convenient for adjusting |
| CN109025235A (en) * | 2018-08-14 | 2018-12-18 | 中建局集团建设发展有限公司 | Wellbore operations platform and template integrated construction system and the method constructed using it |
| CN108952135A (en) * | 2018-08-22 | 2018-12-07 | 中国二冶集团有限公司 | The erection method of steel post operation platform fixture and operating platform |
| CN208690862U (en) * | 2018-08-25 | 2019-04-02 | 举视（上海）新能源科技有限公司 | Cable fixture is used in a kind of charging of new-energy automobile |
| CN210147507U (en) * | 2019-02-19 | 2020-03-17 | 江西华悦水利水电建筑安装有限公司 | Clamping device for steel pipe machining |
| CN211613852U (en) * | 2019-11-19 | 2020-10-02 | 长沙永昌车辆零部件有限公司 | Extrusion tooling dismouting auxiliary fixtures |
| CN212957566U (en) * | 2020-07-01 | 2021-04-13 | 山西四建集团有限公司 | Can have enough to meet need scaffold frame location fastener of encorbelmenting |
| CN213204488U (en) * | 2020-08-24 | 2021-05-14 | 江苏力拓建设发展有限公司 | Assembled construction steel bar embedded part |
| CN214237833U (en) * | 2020-12-18 | 2021-09-21 | 江苏世豪合金科技有限公司 | Positioning fixture for processing magnesium alloy building template |
| CN214331136U (en) * | 2021-02-07 | 2021-10-01 | 周丹丽 | Optimized fixture for fastening offshore wind power bolt |
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