CN110259147B - Auxiliary mounting device and method for platform beams of narrow-space opposite overhanging platform - Google Patents
Auxiliary mounting device and method for platform beams of narrow-space opposite overhanging platform Download PDFInfo
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- CN110259147B CN110259147B CN201910588789.XA CN201910588789A CN110259147B CN 110259147 B CN110259147 B CN 110259147B CN 201910588789 A CN201910588789 A CN 201910588789A CN 110259147 B CN110259147 B CN 110259147B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 35
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000010276 construction Methods 0.000 abstract description 31
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a platform beam auxiliary installation device of a narrow space opposite overhanging platform, which comprises a plurality of positioning assemblies, fixing assemblies and supporting assemblies which are arranged in parallel, wherein the positioning assemblies are used for positioning the distance between adjacent platform beams which are arranged in parallel, are positioned on the inner sides of the adjacent platform beams and are in contact with the inner side walls of the platform beams, and can be matched according to the difference of the distances between the adjacent platform beams; the fixing component is positioned outside the adjacent platform beams and is in contact with the outer side wall of the platform beams, and is used for fixing the adjacent platform beams together; the support group is positioned on the lower end surface of the platform beam and is used for placing the platform beam; the positioning assembly is arranged in alignment with the fixing assembly, and the positioning assembly is arranged in dislocation with the supporting assembly. The invention further provides an installation method of the platform beam auxiliary installation device of the narrow-space opposite overhanging platform. The auxiliary installation device has high installation accuracy and high construction efficiency, can improve the construction quality, and is suitable for popularization and production.
Description
Technical Field
The invention belongs to the technical field of building steel structure installation, and particularly relates to a platform beam auxiliary installation device and an installation method of a narrow space opposite overhanging platform.
Background
The acoustic requirements of the theatre building, the musical performance on the building, especially the house-in-house structure, are very high, in order to ensure the good vibration isolation performance of the structure, the inner frame and the outer frame in the house-in-house structure are completely separated, and the structural design of the periphery and the outer frame even has a construction seam with the width of 100 mm. Two overhanging platforms are designed on two sides of the construction joint, one is an overhanging platform with an inner frame of a house structure opposite to an outer frame structure of a concert hall, and the other is an overhanging platform with an inner side of the outer frame structure of the concert hall. When the overhanging platforms are arranged on two sides of the construction joint, the overhanging directions of the two overhanging platforms are opposite, the distance between corresponding platform beams is only 100-300mm, the space is very narrow, and the installation of the positions of the platform beams directly influences the accuracy of the relative elevation and the distance positions of the two opposite overhanging platforms.
When the traditional cantilever structure is installed, a temporary support or a scaffold is required to be erected according to structural characteristics and construction conditions, and the temporary support is removed after the cantilever structure is installed. The overhanging platform is located inside the structure, the space is narrow, the construction condition is limited, a temporary support or a scaffold cannot be erected, the construction difficulty is high, the construction precision cannot be guaranteed, and the construction progress and the construction quality are seriously affected.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the auxiliary mounting device and the mounting method for the platform beams of the opposite overhanging platforms in the narrow space, which are particularly suitable for the mounting of the platform beams of the overhanging platforms designed at the construction joint of the house structure and the outer frame structure.
The technical aim of the invention is realized by the following technical scheme:
the platform beam auxiliary installation device of the narrow space opposite overhanging platform comprises a plurality of parallel positioning assemblies, fixing assemblies and supporting assemblies, wherein the positioning assemblies are used for positioning the distances between adjacent platform beams, are positioned on the inner sides of the adjacent platform beams and are in contact with the inner side walls of the platform beams, and can be adapted according to the differences of the distances between the adjacent platform beams; the fixing component is positioned outside the adjacent platform beams and is in contact with the outer side wall of the platform beams, and is used for fixing the adjacent platform beams together; the support group is positioned on the lower end surface of the platform beam and is used for placing the platform beam; the positioning assembly is arranged in alignment with the fixing assembly, and the positioning assembly is arranged in dislocation with the supporting assembly.
Further, the locating component comprises at least two groups of locating frames which are arranged in parallel, each locating frame comprises an X-shaped part located at the center position and four adjustable parts matched with the X-shaped parts, and the X-shaped parts are four cylindrical columns which are arranged in a crossed symmetrical mode.
Further, the adjustable piece comprises a stay bar, one end of the stay bar is provided with a nut, the nut is in threaded connection with the stay bar, and the outer diameter of the nut is larger than that of the cylindrical column; and the other end of the supporting rod is provided with a plug.
Further, the plug is provided with a trapezoid plate, and the large end face of the trapezoid plate is connected with the end face of the supporting rod; the trapezoid board slope both sides all symmetry be equipped with a flat board, the flat board with the trapezoid board sets up perpendicularly, flat board up end with trapezoid board up end parallel and level sets up.
Further, the fixed subassembly includes the mount of parallel arrangement, the mount includes the ribbon that the symmetry set up and locates the angle steel at ribbon both ends, angle steel one side with ribbon fixed connection, the another side is equipped with a through-hole.
Further, the cable tie further comprises a bolt which penetrates through the through hole to firmly connect the adjacent cable ties together.
Further, the strap width is greater than the plug thickness.
Further, the supporting component comprises a plurality of independent supporting frames which are vertically arranged, the supporting frames are provided with stand columns, the upper end faces of the stand columns are in contact with the lower end faces of the platform beams, and the upper end faces of the stand columns are matched with the lower end faces of the platform beams.
Further, a base plate is arranged below the upright post, and the minimum width of the base plate is larger than the maximum width of the upright post.
The installation method of the auxiliary installation device for the platform beams of the opposite overhanging platforms in the narrow space comprises any one of the auxiliary installation devices, and the steps comprise:
S1: respectively placing adjacent platform beams on the supporting frames, and enabling the distance between the adjacent platform beams to be matched with the overhanging platform;
S2: the adjustable piece is adjusted, the nut is adjusted on the supporting rod, the nut moves towards the side close to the top, and then the adjustable piece is inserted into the X-shaped piece at the side far away from the top;
S3: the positioning frame is arranged on the inner side of the adjacent platform beam, and the position of the nut on the supporting rod is adjusted so that the top head contacts with the inner wall of the platform beam;
s4: the symmetrically arranged binding tapes are wound on the outer side walls of the adjacent platform beams at the positions of the positioning frames, and the adjacent platform beams are fastened through the matching of the bolts and the angle steels;
s5: repeating the steps S2 and S4, and sequentially and correspondingly installing the other locating frames and the other fixing frames;
S6: hoisting the integrally connected platform beams to the corresponding positions of the overhanging platform by using a crane for installation;
S7: and the fixing frame and the positioning frame which are correspondingly arranged are sequentially detached.
Compared with the prior art, the auxiliary installation device and the installation method are particularly suitable for installing the platform beam of the overhanging platform designed at the construction joint of the house-in-house structure and the outer frame structure, not only do not need to be erected with temporary supports or scaffolds, but also are not limited by space conditions, the installation precision of the opposite overhanging platforms can be ensured, the construction quality is ensured, the safety and the controllability are realized, the construction cost is low, and the practicability is higher. Meanwhile, the installation device can be repeatedly used, reduces the construction cost, quickens the construction progress, improves the construction efficiency, is suitable for popularization and production of platform beam installation in the cantilever platform in a narrow space, and has high universality.
Drawings
FIG. 1 is a perspective view of a platform beam auxiliary mounting device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a platform beam auxiliary mounting device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a positioning frame according to an embodiment of the present invention;
FIG. 4 is a front view of a plug according to an embodiment of the present invention;
FIG. 5 is a top view of a plug according to an embodiment of the present invention;
FIG. 6 is a perspective view of the mounting location of the platform beams in the inner and outer overhanging platforms according to an embodiment of the invention;
fig. 7 is a top view of the mounting location of the platform beams in the inner and outer overhanging platforms according to an embodiment of the invention.
In the figure:
100. inner frame 101, inner overhanging platform 102, inner platform beam
103. Inner frame girder 104, inner frame girder 200, and outer frame
201. Outer cantilever platform 202, outer platform beam 203 and outer frame main beam
204. Outer frame connecting beam 205, outer frame main beam 206 and outer frame main beam
300. Positioning frame 301, X-shaped piece 302 and adjustable piece
3021. Brace 3022, nut 3023, and plug
3023A, trapezoidal plate 3023b, flat plate 3023c, flat plate
400. Fixing frame 401, binding belt 402 and angle steel
403. Bolt 500, support 501 and upright post
502. Backing plate
Detailed Description
The invention is further illustrated by the following examples and figures:
The platform beam auxiliary installation device of the narrow space opposite overhanging platform comprises a plurality of positioning assemblies, fixing assemblies and supporting assemblies which are arranged in parallel as shown in fig. 1-2, wherein each positioning assembly comprises at least two groups of positioning frames 300 which are arranged in parallel, each positioning frame 300 is used for positioning the space between the inner platform beam 102 and the outer platform beam 202 which are arranged in parallel, is positioned on the inner side of the inner platform beam 102 and the inner side of the outer platform beam 202 which are arranged side by side and is respectively in contact connection with the inner side walls of the inner platform beam 102 and the outer platform beam 202, and can be matched according to the difference of the space between the inner platform beam 102 and the outer platform beam 202. The fixing assembly comprises a plurality of fixing frames 400 which are arranged in parallel, wherein the fixing frames 400 are positioned on the outer sides of the inner platform beam 102 and the outer platform beam 202 and are in contact connection with the outer side walls of the inner platform beam 102 and the outer platform beam 202, and are used for fixing the inner platform beam 102 and the outer platform beam 202 together. The support assembly includes a plurality of independent vertically disposed support frames 500, the support frames 500 being positioned at lower end surfaces of the inner platform beam 102 and the outer platform beam 202 for placing the inner platform beam 102 and the outer platform beam 202. In this embodiment, the positioning components and the fixing components are aligned, and the positioning components and the supporting components are arranged in a staggered manner, that is, the number of the positioning frames 300 is the same as that of the fixing frames 400 and aligned, so as to fasten the fixing of the inner platform beam 102 and the outer platform beam 202; the fixing frame 400 and the supporting frame 500 are staggered, so that the fixing frame 400 is easy to bind the inner platform beam 102 and the outer platform beam 202.
Further, as shown in fig. 3, the positioning frame 300 includes an X-shaped member 301 located at a central position and four adjustable members 302 adapted to the X-shaped member 301, where the X-shaped member 301 is formed by welding four cylindrical columns disposed in a cross-symmetrical manner at the same point, and ensures that the directions of the four cylindrical columns face to the inner corners of the inner platform beam 102 and the outer platform beam 202. The inner wall of the cylinder column is hollow, so that one end of the adjustable member 302 can be freely inserted, and the lengths of the four cylinder columns are the same and are uniformly arranged. The platform beams used for the overhanging platform may be i-section steel or channel steel, and in this embodiment, the inner platform beam 102 and the outer platform beam 202 are both i-section steel of the same model and size. The adjustable part 302 comprises a stay bar 3021 and an integrally arranged plug, wherein one end of the stay bar 3021 is provided with external threads with a certain length, one end where the external threads are located is provided with a nut 3022, and the nut 3022 is matched with the stay bar 3021 and in threaded connection. The outer diameter of the nut 3022 is larger than the outer diameter of the cylindrical column in the X-shaped member 301 in order to fix the position of the plug 3023; the outer diameter of the stay 3021 is smaller than the inner diameter of the cylindrical column in order to facilitate the free insertion or extraction of the stay 3021 into or from the cylindrical column; the length of the external threads on the brace 3021 is greater than the depth of the cylindrical column in order to ensure that the adjustable range between the inner platform beam 102 and the outer platform beam 202 meets the dimensional requirements. An integrally connected plug 3023 is provided at the end of the stay 302 remote from the nut 3022.
Further, as shown in fig. 4-5, a trapezoid plate 3023a is disposed in the middle of the plug 3023, the trapezoid plate 3023a is isosceles right trapezoid, a large end surface of the trapezoid plate 3023a is welded with an upper end surface of the stay bar 3021 integrally, and the trapezoid plate 3023a is welded perpendicularly to the upper end surface of the stay bar 3023. The flat plate 3023b and the flat plate 3023c are symmetrically arranged on two inclined side edges of the trapezoid plate 3023a, the flat plate 3023b and the flat plate 3023c are perpendicular to the trapezoid plate 3023a, the upper end face of the flat plate 3023b and the upper end face of the flat plate 3023c are flush with the upper end face of the trapezoid plate 3023a, and the purpose is to enable the short face of the trapezoid plate 3023a to avoid welding arcs at corner walls, prevent mutual interference and further influence contact of the top 302 on the inner side walls of the platform beams. The arrangement of the top heads 302 can make the outer end surfaces of the flat plate 3023c and the flat plate 3023b respectively contact with the adjacent surfaces of the inner side corner walls of the platform beams, so as to ensure that the four top heads 302 of the positioning frame 300 respectively symmetrically lean against the four inner side corner walls of the inner platform beam 102 and the outer platform beam 202. The positioning frame 300 with adjustable setting has simple structure, can ensure the positioning precision of the inner platform beam 102 and the outer platform beam 202, and can meet the positioning requirements between the inner platform beam 102 and the outer platform beam 202 in various narrow spaces. The matching structure of the X-shaped piece 301 and the adjustable piece 302 is simple, the position adjustment of the inner platform beam 102 and the outer platform beam 202 can be completed only by adjusting the height of the nut 3022 on the stay bar 3021, and the practicability is high; the disassembly and the installation are convenient, and the device can be repeatedly used for a plurality of times, so that the construction cost can be reduced.
Further, as shown in fig. 2, the fixing frame 400 includes symmetrically arranged bands 401 and angle steels 402 arranged at two ends of the bands 401, the bands 401 are made of flat steel materials, the width of the bands 401 is not smaller than that of the angle steels 402, one face of each angle steel 402 is fixedly connected with one end of each band 401 in a welding mode, a threaded through hole is formed in the other face of each angle steel 402, the positions of the through holes in the angle steels 402 on two sides are identical in height and size, the adjacent bands 401 are fastened together through the through holes of bolts 403, and then the inner platform beam 102 and the outer platform beam 202 are bound together. The fixing frame 400 and the positioning frame 300 are arranged on the inner side and the outer side of the platform beam in an aligned manner, namely the position of the fixing frame 400 is the same as the position of the positioning frame 300; the width of the tie 401 is greater than the thickness a of 3023b in the head 302 in order to ensure that the mount 400 can securely bind the inner platform beam 102 and the outer platform beam 202 together.
Further, the support frame 500 is provided with the upright posts 501, the upper end surfaces of the upright posts 501 are in contact with the lower end surfaces of the platform beams, the lower end surfaces of each platform beam can be used for placing the number of the support frames 500 according to actual conditions, and the upper end surfaces of the upright posts 501 are matched with the lower end surfaces of the platform beams, namely, are in plane contact. In this embodiment, the upright post 501 has a cylindrical structure, the diameter of the upright post 501 is not less than half the width of the lower end face of the platform beam, and the upright post 501 is located at the center position of the lower end face of the platform beam. A base plate 502 is arranged below the upright post 501, the base plate 502 can be square or round, and is used for placing the upright post 501 and ensuring that the support frame 500 can stably support the platform beam, and the minimum width of the base plate 502 is larger than the maximum width of the upright post 501. The support frame 500 is provided to support the inner and outer platform beams 102 and 202 while ensuring the consistency of the width between the inner and outer platform beams 102 and 202 and the height of the inner and outer platform beams 102 and 202, and also to facilitate the fixed connection of the fixing frame 400 to the upper and lower sides of the inner and outer platform beams 102 and 202.
The auxiliary installation device designed by the application is particularly suitable for installing the platform beams of the overhanging platform designed at the construction joint of the house-in-house structure and the outer frame structure, and a temporary binding platform beam combination is formed by arranging a plurality of groups of locating frames 300 and fixing frames 400 on the inner side wall and the outer side wall of the inner platform beam 102 and the outer platform beam 202 on the supporting frame 500 in an aligned manner. Wherein the support frame 500 is used to support and secure the height position and the width of the space between the inner platform beam 102 and the outer platform beam 202; the spacer 300 may further ensure the width between the inner platform beam 102 and the outer platform beam 202, and the fixing frame 400 binds the inner platform beam 102 and the outer platform beam together, ensuring the spacing and relative elevation of the inner platform beam 102 and the outer platform beam 202. The method is beneficial to the subsequent installation of the binding combination of the inner platform beam 102 and the outer platform beam 202 through a crane, temporary supports or scaffolds are not required to be erected in the subsequent installation process, the limitation of the size of the installation space area is avoided, the construction progress can be accelerated, the construction efficiency is improved, the installation accuracy of opposite overhanging platforms can be guaranteed, and the subsequent construction quality is guaranteed. The auxiliary mounting device disclosed by the application is reasonable in structural design, convenient to detach and mount, suitable for popularization and production of mounting the platform beam in the overhanging platform in a narrow space, high in universality and capable of being repeatedly used.
The installation method of the auxiliary installation device for the platform beams of the opposite cantilever platforms in the narrow space comprises the auxiliary installation device, and the steps comprise:
S1: the inner and outer platform beams 102 and 202 are placed on the support frames 500, respectively, and the distance between the inner and outer platform beams 102 and 202 is adapted to the positions of the inner and outer frames 100 and 200, and the heights of the inner and outer platform beams 102 and 202 are ensured to be the same, as shown in fig. 2.
S2: the adjustable member 302 is adjusted by adjusting the nut 3022 on the stay 3021 and moving the nut 3022 to the side closer to the plug 3023, and the side of the adjustable member 302 away from the plug 3023 is inserted into the cylinder in the X-shaped member 301 in order to facilitate adjusting the length of the adjustable member 302 to fit the spacing between the inner platform beam 102 and the outer platform beam 202.
S3: the positioning frame 300 is placed inside the inner platform beam 102 and the outer platform beam 202, and the positions of the nuts 3022 on the stay bars 3021 are adjusted so that the two side flat plates in the top 302 are in contact with the inner side corner wall surfaces of the inner platform beam 102 and the outer platform beam 202, thereby ensuring the distance between the inner platform beam 102 and the outer platform beam 202.
S4: symmetrically arranged binding bands 401 are wound on the outer side walls of the inner platform beam 102 and the outer platform beam 202 at the position where the positioning frame 300 is located, and angle steels 402 which are arranged in alignment on the upper side and the lower side are fixed through bolts 403, so that the inner platform beam 102 and the outer platform beam 202 are fastened together.
S5: and repeating the steps S2 and S4, and sequentially and directionally installing other positioning frames 300 and fixing frames 400 which are correspondingly arranged. In this embodiment, two sets of positioning frames 300 and fixing frames 400 are provided, so that the inner platform beam 102 and the outer platform beam 202 can be bound and fixed.
S6: the integrally connected inner and outer platform beams 102 and 202 are hoisted to the corresponding positions of the inner and outer frames 100 and 200 using a crane, as shown in fig. 6 to 7. According to the positions of the inner platform beams 102 and the positions of the inner frame main beams 103 and the inner frame main beams 104 which are already arranged, the positioning and the installation of other steel frame structures of the inner cantilever platform 101 can be further completed, and the installation of the inner frame 100 can be completed. Similarly, according to the position of the outer platform beam 202 and the outer frame main beams 203, 205 and 206 already set, the outer frame connecting beam 204 and other steel frame structures of the outer cantilever platform 201 are positioned and installed, and the inner frame 100 can be installed.
The auxiliary mounting device designed by the invention has high mounting precision and strong practicability, improves the mounting and construction efficiency of the inner overhanging platform 101 and the outer overhanging platform 201, and accelerates the construction progress; the whole construction process does not need to set up a temporary support or a scaffold, is not limited by space conditions, and can ensure the construction quality of opposite overhanging platforms, and the construction method is safe, controllable and low in construction cost.
S7: and then the fixing frame 300 and the positioning frame 400 which are correspondingly arranged are sequentially disassembled.
Specifically, the screw 403 is separated from the angle steel 402, and then the ribbon 401 is removed, so that the positioning frame 400 is detached. The adjusting nut 3022 moves on the supporting rod 3021 in a direction approaching to the top 3023, so that the cooperation between the supporting rod 3021 and the X-shaped member 301 can be adjusted, the adjustable member 302 is separated from the inner side wall of the platform beam, and the fixing frame 300 is detached, so that the detachment of the fixing frame 300 and the positioning frame 400 is completed. The auxiliary installation device for the intrinsic safety can be used repeatedly, is convenient to transport and place, further reduces construction cost, accelerates construction progress, is suitable for popularization and production of platform beam installation in the overhanging platform in a narrow space, and is high in universality.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (10)
1. The auxiliary platform beam mounting device for the narrow space opposite overhanging platform is characterized by comprising a plurality of parallel positioning assemblies, fixing assemblies and supporting assemblies, wherein the positioning assemblies are used for positioning the distances between adjacent platform beams, are positioned on the inner sides of the adjacent platform beams and are in contact with the inner side walls of the platform beams, and can be matched according to the differences of the distances between the adjacent platform beams; the fixing component is positioned outside the adjacent platform beams and is in contact with the outer side wall of the platform beams, and is used for fixing the adjacent platform beams together; the support group is positioned on the lower end surface of the platform beam and is used for placing the platform beam; the positioning component and the fixing component are arranged in alignment, and the positioning component and the supporting component are arranged in dislocation;
the positioning assembly comprises at least two groups of positioning frames which are arranged in parallel, wherein each positioning frame comprises an X-shaped part positioned at the center position and four adjustable parts matched with the X-shaped parts;
the adjustable piece comprises a stay bar, one end of the stay bar is provided with a nut, and the other end of the stay bar is provided with a plug;
The top is provided with a trapezoid plate, and the large end face of the trapezoid plate is connected with the end face of the supporting rod;
the fixing assembly comprises fixing frames which are arranged in parallel, and each fixing frame comprises symmetrically arranged binding bands and angle steel arranged at two ends of each binding band.
2. The auxiliary mounting device for the platform beams of the narrow-space opposite overhanging platform according to claim 1, wherein the X-shaped member is four cylindrical columns which are arranged in a crossed and symmetrical manner.
3. The auxiliary mounting device for the platform beam of the narrow-space opposite overhanging platform according to claim 2, wherein the nut is in threaded connection with the stay bar and the outer diameter of the nut is larger than the outer diameter of the cylindrical column.
4. The auxiliary platform beam mounting device for the narrow-space opposite overhanging platform according to claim 3, wherein a flat plate is symmetrically arranged on two inclined sides of the trapezoid plate, the flat plate is perpendicular to the trapezoid plate, and the upper end face of the flat plate is flush with the upper end face of the trapezoid plate.
5. The auxiliary platform beam mounting device for the narrow-space opposite overhanging platform according to any one of claims 1-4, wherein one face of the angle steel is fixedly connected with the binding belt, and the other face is provided with a through hole.
6. The auxiliary platform beam mounting device for a narrow space cantilever platform according to claim 5, further comprising bolts passing through the through holes to fasten adjacent bands together.
7. The auxiliary platform beam mounting device for narrow space cantilever platforms according to claim 6, wherein the ribbon width is greater than the plug thickness.
8. The auxiliary mounting device for the platform beam of the narrow-space opposite overhanging platform according to any one of claims 1-4 and 6-7, wherein the supporting assembly comprises a plurality of independent vertically arranged supporting frames, the supporting frames are provided with upright posts, the upper end faces of the upright posts are in contact with the lower end face of the platform beam, and the upper end faces of the upright posts are matched with the lower end face of the platform beam.
9. The auxiliary platform beam mounting device for the narrow-space opposite overhanging platform according to claim 8, wherein a base plate is arranged below the upright, and the minimum width of the base plate is larger than the maximum width of the upright.
10. A method for installing a platform beam auxiliary installation device for a narrow space opposite overhanging platform, comprising the auxiliary installation device according to any one of claims 1-9, the steps comprising:
s1: respectively placing adjacent platform beams on a plurality of independent vertically arranged supporting frames in the supporting assembly, and enabling the distance between the adjacent platform beams to be matched with the overhanging platform;
S2: the X-shaped part positioned at the central position and four adjustable parts matched with the X-shaped part are adjusted, a supporting rod in the adjustable parts is used for adjusting a nut arranged at one end of the supporting rod in the adjustable parts, the nut is enabled to move towards one side, close to a top, arranged at one end of the supporting rod, of the adjustable parts, and then one side, far away from the top, of the adjustable parts is inserted into the X-shaped part;
S3: the positioning frame is arranged on the inner side of the adjacent platform beam, and the position of the nut on the supporting rod is adjusted so that the top head contacts with the inner wall of the platform beam;
S4: the tie bars symmetrically arranged in the fixing frame are wound on the outer side wall of the adjacent platform beam at the position where the locating frame is located, and the adjacent platform beam is fastened through the matching of bolts and angle steel;
S5: repeating the steps S2 and S4, and sequentially and correspondingly installing the other locating frames and the other fixing frames;
S6: hoisting the integrally connected platform beams to the corresponding positions of the overhanging platform by using a crane for installation;
S7: and the fixing frame and the positioning frame which are correspondingly arranged are sequentially detached.
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| CN201910588789.XA CN110259147B (en) | 2019-07-02 | 2019-07-02 | Auxiliary mounting device and method for platform beams of narrow-space opposite overhanging platform |
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| CN201910588789.XA CN110259147B (en) | 2019-07-02 | 2019-07-02 | Auxiliary mounting device and method for platform beams of narrow-space opposite overhanging platform |
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| CN110259147B true CN110259147B (en) | 2024-05-10 |
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