CN221277359U - Large-scale unsettled steel vestibule bed-jig structure - Google Patents

Abstract

The utility model discloses a large-scale unsettled steel vestibule bed-jig structure, including: the base comprises two bottom beams which are parallel to each other, a plurality of connecting beams are arranged between the two bottom beams in parallel, and the lattice columns are arranged at the tops of the two bottom beams; when the suspended steel corridor is constructed, the large suspended steel corridor jig frame structure can provide stable support for installation of the suspended steel corridor, prevent the suspended steel corridor from deforming, effectively transfer loads of the suspended steel corridor to a reliable foundation of a top plate of a basement, reduce construction difficulty of the suspended steel corridor, and improve safety in the construction process of the suspended steel corridor.

Description

Large-scale unsettled steel vestibule bed-jig structure

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a large-scale suspended steel corridor jig frame structure.

Background

In the building construction process, the suspended corridor structure is generally involved, and due to the requirement on the building structure function, the suspended corridor can be convenient for the connection between two towers, and can be used as a sightseeing corridor due to good lighting effect and wide visual field.

The construction mode construction that the unsettled steel corridor was assembled in advance on ground, promoted again to the installation of tower preset position department is adopted in general, under the circumstances that unsettled steel corridor is not high from ground (for example, distance between unsettled steel corridor bottom and the ground is 10~20 m), can set up the bed-jig subaerial, adopts the mode construction that the component was assembled on site at bed-jig top directly, when adopting this kind of construction mode, the steel corridor was assembled under unsettled state and is accomplished, after the bed-jig was demolishd, accomplish steel corridor and leave the ground operation. For a large-scale suspended steel corridor which takes a steel frame as a main structure, has a span of more than 40 meters, a width of more than 20 meters, a height of more than 10 meters and a weight of more than 1000 tons, the span is large, the weight is heavy, the bottom is in a suspended state, a jig frame is arranged on the ground, and the structural form of the jig frame is important when the construction is performed in a mode of assembling the top of the jig frame on site. When assembling large-scale unsettled steel vestibule, because the operation of assembling of unsettled steel vestibule is directly carried out on the basement roof, unsettled steel vestibule weight is heavy, if bearing capacity and the deformation resistance of bed-jig are not enough, the bed-jig is very yielding, the size of bed-jig is bigger, the supporting point is more, then bearing capacity and deformation resistance are stronger, but the expense of bed-jig is higher, when carrying out the bed-jig structural design, need comprehensive consideration bed-jig's bearing capacity, deformation resistance and expense problem. Moreover, the weight of the suspended steel corridor is heavy, the gravity of the suspended steel corridor is transmitted to the top plate of the basement through the jig frame, the force transmission path of the jig frame is improper, the top plate of the basement can be downwards bent, the structure of the suspended steel corridor is deformed, and the structural safety of the suspended steel corridor after installation is affected. Therefore, how to arrange the jig frame structure of the large-scale suspended steel corridor, so that the jig frame provides stable support for the installation of the suspended steel corridor and prevents the deformation of the suspended steel corridor structure; how to effectively transfer the load of the suspended steel corridor to the reliable foundation of the top plate of the basement through the jig frame is a major consideration problem in the construction of the large suspended steel corridor.

Disclosure of utility model

At least one of the purposes of the utility model is to solve the problems in the prior art, and provide a large-scale suspended steel corridor jig frame structure which can provide stable support for the installation of suspended steel galleries, prevent the suspended steel galleries from deforming, effectively transfer the load of the suspended steel galleries to the reliable foundation of a basement roof, lighten the construction difficulty of the suspended steel galleries and improve the safety in the construction process of the suspended steel galleries.

In order to achieve the above object, the present utility model adopts a technical scheme including the following aspects.

A large-scale unsettled steel vestibule bed-jig structure, includes: the base comprises two mutually parallel bottom beams, a plurality of connecting beams are arranged between the two bottom beams in parallel, and the lattice columns are arranged at the tops of the two bottom beams.

Preferably, the overall structure of the lattice column is a quadrangular prism structure and comprises four upright posts which are uniformly arranged at the tops of two bottom beams; the lattice column is uniformly provided with a plurality of layers of horizontal supports in the height direction, each layer of horizontal support comprises four cross bars, the four cross bars are arranged in a rectangular shape, and each cross bar is connected with two adjacent upright columns; in the height direction of the lattice column, a supporting diagonal rod is arranged between two adjacent cross rods, two ends of the supporting diagonal rod are respectively connected with two adjacent upright posts, and the adjacent supporting diagonal rods are symmetrically arranged.

Preferably, a supporting layer is further arranged at the top of the lattice column, the supporting layer comprises four first steel plates, the four first steel plates are arranged in a rectangular shape, and each first steel plate is connected with two adjacent upright posts; the two opposite first steel plates are respectively connected through connecting rods, four first steel plates and two connecting rods enclose a Chinese character 'tian' -shaped structure, and a sand box is arranged at the intersection position of the two connecting rods; two reinforcing rods are further arranged between the adjacent first steel plates and the cross bars at the tops of the lattice columns, and the two reinforcing rods and the cross bars are arranged in a triangular mode.

Preferably, the lattice columns are arranged close to the end parts of the bottom beams, and the connecting beams are respectively arranged at the two ends of the bottom beams and at the connecting positions of the bottom beams and the upright columns; the bottom of each bottom beam is provided with embedded parts, and a plurality of embedded parts are arranged along the length direction of the bottom beam.

Preferably, the lattice column is provided with a lifting piece for lifting the lattice column near the top, the section of the lifting piece is of a trapezoid structure, a plurality of lifting pieces are respectively and correspondingly arranged on the upright post and are mutually perpendicular to the upright post, and the lifting pieces are positioned at the same height of the upright post.

Preferably, when a plurality of lattice columns are included, adjacent lattice columns are connected by one or more cross beams, forming a set of jig frames, the cross beams being disposed adjacent the tops of the lattice columns.

Preferably, one or more groups of diagonal braces are further arranged between two adjacent lattice columns, each group of diagonal braces comprises two first diagonal braces which are symmetrically arranged, a first end of each first diagonal brace is connected to the middle part of the cross beam, and a second end of each first diagonal brace is connected to the upright post and is positioned in the middle part or the lower part of the middle part of the upright post; a first horizontal rod is further arranged between the upright post and the first diagonal brace, the first end of the first horizontal rod is connected with the upright post, the second end of the first horizontal rod is connected with the first diagonal brace, and the first horizontal rod is parallel to the cross beam; a second inclined strut is further arranged between the first horizontal rod and the first inclined strut, the first end of the second inclined strut is connected with the first inclined strut, and the second end of the second inclined strut is connected with the first end of the first horizontal rod; the first diagonal braces of two adjacent diagonal braces are connected through a second horizontal rod.

Preferably, each of the lattice columns is provided with a ladder on a side surface thereof, and the ladder is arranged along a height direction of the lattice column.

Preferably, the base is arranged on a top plate of the basement, one or more groups of top returning steel pipes are arranged at the bottom of the top plate of the basement, each group of top returning steel pipes comprises two or more rows of top returning steel pipes, each row comprises a plurality of top returning steel pipes, adjacent rows of top returning steel pipes are correspondingly arranged at the bottoms of adjacent frame beams at the bottom of the top plate of the basement, and the distance between the top returning steel pipes of adjacent groups is determined according to the distance between the adjacent groups of jig frames.

Preferably, the base is arranged at the position of the back-roof steel pipe, the back-roof steel pipe is positioned between two bottom beams, and the length of the bottom beams is not smaller than the distance between two frame beams.

In summary, due to the adoption of the technical scheme, the utility model has at least the following beneficial effects:

Through setting up the lattice post, a plurality of lattice posts pass through the crossbeam and connect into overall structure, when assembling unsettled steel vestibule, the bed-jig that the lattice post formed can provide stable support for unsettled steel vestibule, is favorable to improving the security in the unsettled steel vestibule work progress.

Through setting up the base in lattice column bottom, set up the piece of burying in the floorplan bottom of base, can transmit the effort of unsettled steel vestibule to the frame roof beam of basement bottom plate on through base and the piece of burying, improve the bearing capacity of basement floor.

Through setting up back top steel pipe in the frame roof beam bottom of basement bottom plate, under the supporting role of back top steel pipe, can prevent that basement bottom plate from warp to prevent bed-jig and unsettled steel vestibule structural deformation, improve unsettled steel vestibule construction's security.

Drawings

Fig. 1 is a schematic view of a large suspended steel gallery jig frame in accordance with an exemplary embodiment of the utility model.

Fig. 2 is a side view of the large suspended steel gallery jig frame of fig. 1.

FIG. 3 is a schematic view of the large suspended steel gallery jig frame of FIG. 2 in the 1-1 direction.

Fig. 4 is a schematic view of the large suspended steel gallery jig frame of fig. 2 in the 2-2 direction.

Fig. 5 is a schematic view of the large suspended steel gallery jig frame of fig. 2 in the 3-3 direction.

Fig. 6 is a schematic view of the base structure of the large suspended steel gallery jig frame of fig. 2.

Fig. 7 is a schematic diagram of the assembled state of a large suspended steel gallery jig frame according to an exemplary embodiment of the utility model.

Fig. 8 is a schematic illustration of the placement of a large suspended steel gallery jig on a basement roof in accordance with an exemplary embodiment of the utility model.

The marks in the figure are as follows: 1-lattice column, 11-upright column, 12-cross bar, 13-supporting diagonal bar, 14-first steel plate, 15-connecting rod, 16-sand box, 17-reinforcing bar, 18-horizontal supporting bar, 19-lifting piece, 2-cross beam, 3-base, 31-bottom beam, 32-connecting beam, 33-embedded piece, 4-basement roof, 5-frame beam, 6-diagonal brace, 61-first diagonal brace, 61-second diagonal brace, 63-first horizontal bar, 7-cat ladder and 8-back-top steel pipe.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, so that the objects, technical solutions and advantages of the present utility model will become more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 6, the large-scale suspended steel gallery jig frame structure of the exemplary embodiment of the utility model comprises a lattice column 1, the lattice column 1 is integrally of a quadrangular prism structure, a base 3 is arranged at the bottom of the lattice column 1, and the base 3 is used for fixing the lattice column 1 on a basement roof 4, transmitting supporting load of the jig frame and protecting a floor slab.

The lattice column 1 comprises four upright posts 11, a plurality of layers of horizontal supports are uniformly arranged in the height direction of the lattice column 1, each layer of horizontal support comprises four cross bars 12, the four cross bars 12 are arranged in a rectangular shape, and each cross bar 12 is connected with two adjacent upright posts 11; each layer of horizontal support is also provided with a horizontal support rod 18, the horizontal support rods 18 are arranged at the diagonal positions of the rectangle, and two ends of each horizontal support rod 18 are respectively welded with two upright posts 11; in the height direction of the lattice column 1, a supporting diagonal rod 13 is arranged between two adjacent cross rods 12, two ends of the supporting diagonal rod 13 are respectively connected with two adjacent upright posts 11, and the adjacent supporting diagonal rods 13 are symmetrically arranged; the bottoms of the four upright posts 11 are all arranged on the base 3, and the upright posts 11 are steel pipes, and the size of the steel pipes is preferably equal to 203 x 10.

The top of the lattice column 1 is further provided with a supporting layer, and referring to fig. 3, the supporting layer comprises four first steel plates 14, the four first steel plates 14 are arranged in a rectangular shape, and each first steel plate 14 is connected with two adjacent upright posts 11; the two opposite first steel plates 14 are respectively connected through the connecting rods 15, so that four first steel plates 14 and two connecting rods 15 enclose a field-shaped structure, sand boxes 16 are arranged at the intersecting positions of the two connecting rods 15, the sand boxes 16 are used for supporting suspended steel galleries, the heights of the jig frames can be adjusted by adjusting the heights of the sand boxes 16, and the camber of the suspended steel gallery truss beams is guaranteed.

Referring to fig. 1 and 2, two reinforcing rods 17 are further arranged between the adjacent first steel plates 14 and the cross bars 12 at the top of the lattice column 1, and the two reinforcing rods 17 and the cross bars 12 are arranged in a triangular shape to enhance the structural strength of the top of the lattice column 1 and improve the bearing capacity of the lattice column to the suspended steel corridor.

Referring to fig. 6, the base 3 includes two bottom beams 31 parallel to each other, and a plurality of connection beams 32 are disposed between the two bottom beams 31 in parallel, wherein the two connection beams 32 are disposed at two ends of the bottom beams 31, respectively; four upright posts 11 of the lattice column 1 are respectively arranged on the two bottom beams 31, the lattice column 1 is arranged close to the end parts of the bottom beams 31, and connecting beams 32 are also arranged at the connecting positions of the upright posts 11 on the bottom beams 31; the bottom beam 31 and the connecting beam 32 are both H-shaped steel or square tubes. A plurality of embedded parts 33 are arranged on the bottom beam 31 in the length direction, the embedded parts 33 are arranged at the bottom of the bottom beam 31 and are connected with the bottom beam 31 in a welding mode (the arrangement positions of the embedded parts on the bottom beam are determined according to the installation positions of the bottom beam on a top plate of a basement); the embedded part 33 is made of a steel plate with the thickness of 30-50 mm, one or more mounting through holes are formed in the embedded part 33, and the mounting through holes are used for enabling the base to be detachably mounted on the basement top plate, so that stability of the lattice column on the basement bottom plate is improved (the lattice column can be directly placed on the basement top plate through the embedded part); the burial 33 also transfers and distributes the jig support load directly to the basement frame beams, protecting the basement roof.

The lattice column 1 is further provided with lifting pieces 19 for lifting the lattice column near the top, and referring to fig. 1, 2 and 4, the section of each lifting piece 19 is of a trapezoid structure, four lifting pieces 19 are respectively and correspondingly arranged on the upright post 11 and are mutually perpendicular to the upright post 11, the lifting pieces 19 are connected with the upright post 11 in a welding mode, and the four lifting pieces 19 are positioned at the same height of the upright post 11 so as to enable the lattice column to be stably lifted to the installation position; the hanging piece 19 is made of steel.

In the use process, a plurality of lattice columns can be arranged along the length direction of the suspended steel corridor according to the structure of the suspended steel corridor (the number of the lattice columns is determined according to the size of the suspended steel corridor), adjacent lattice columns are connected through one or more cross beams 2 to form a group of jig frames, and when the suspended steel corridor is installed, a plurality of groups of jig frames can be arranged in parallel along the width direction of the suspended steel corridor according to the size of the suspended steel corridor; the crossbeam 2 adopts the steel pipe, and with reference to fig. 7 (only shows two lattice columns in the figure), the crossbeam 2 is close to lattice column 1 top setting, and the both ends of crossbeam 2 are connected through welding mode with the stand 11 of two adjacent lattice columns respectively, and crossbeam 2 is with lattice column 1 connection formation overall structure, can make the balanced atress of bed-jig, is favorable to improving the wholeness and the stability of bed-jig atress, improves the anti deformability of bed-jig.

A group of diagonal braces 6 are further arranged between two adjacent lattice columns 1, each diagonal brace 6 comprises two first diagonal braces 61 which are symmetrically arranged, first ends of the two first diagonal braces 61 are connected to the middle of the cross beam 2, second ends of the two first diagonal braces 61 are respectively connected to upright posts 11 of the two lattice columns, and the two first diagonal braces are positioned at the middle or lower part of the middle of each upright post 11; a first horizontal rod 63 is further arranged between the upright post 11 and the first diagonal brace 61, the first end of the first horizontal rod 63 is connected with the upright post 11, the second end of the first horizontal rod 63 is connected with the first diagonal brace 61, and the first horizontal rod 63 is parallel to the cross beam 2; a second diagonal brace 62 is further provided between the first horizontal bar 63 and the first diagonal brace 61, a first end of the second diagonal brace 62 is connected to the first diagonal brace 61, and a second end is connected to a first end of the first horizontal bar 63. In order to improve stability of the scaffold structure, another group of diagonal braces 6 with the same structure can be further arranged between two adjacent lattice columns 1, the two groups of diagonal braces 6 are parallel to each other, the two groups of diagonal braces 6 are respectively located in the front-back direction (front-back direction of fig. 7) of the lattice columns, the first diagonal braces 61 of the two groups of diagonal braces 6 are connected through second horizontal rods (not shown in the figure), and the second horizontal rods connect the two groups of diagonal braces 6 to form an integral structure, so that integral strength of the scaffold structure is improved. The first diagonal brace 61, the second diagonal brace 62, the first horizontal bar 63, and the second horizontal bar are each made of steel members (steel pipes, flat steels, etc.).

In order to facilitate the installation of the suspended steel gallery structure at the top of the lattice columns 1, a ladder stand can be arranged on the side surface of each lattice column 1 and arranged along the height direction of the lattice column; the cat ladder is the straight cat ladder of cage is protected in area, is favorable to constructor safety to rise to lattice column 1 top and establishes construction platform, carries out the installation of unsettled steel vestibule structure.

Referring to fig. 8, when a jig is arranged on a basement roof 4, in order to prevent the basement roof 4 from being deformed downwards and improve the safety of a suspended steel gallery structure, one or more groups of top-returning steel pipes 8 are arranged at the bottom of the basement roof 4, each group of top-returning steel pipes 8 comprises two or more rows of top-returning steel pipes, each row comprises a plurality of top-returning steel pipes, and adjacent rows of top-returning steel pipes 8 are correspondingly arranged at the bottoms of adjacent frame beams 5 at the bottom of the basement roof 4; when the plurality of groups of top-returning steel pipes 8 are arranged, the distance between the top-returning steel pipes of adjacent groups is determined according to the distance between the adjacent groups of jig frames, and in each row of top-returning steel pipes, the distance between two adjacent top-returning steel pipes is determined according to the distance between lattice columns.

The preferable size of returning top steel pipe 8 adopts is, 377 10 round steel pipe, returns top steel pipe 8 and is used for supporting basement roof 4, prevents basement roof 4 downwarp and warp, when the unsettled steel vestibule of bed-jig top setting, can further prevent unsettled steel vestibule structural deformation, improves unsettled steel vestibule structural security.

When the jig frame is arranged on the basement roof 4, the base 3 is correspondingly arranged at the position of the back-roof steel pipe 8, the back-roof steel pipe 8 is positioned between two bottom beams 31, the length of the bottom beams 31 is not less than the distance between two frame beams 5, and the bottom beams 31 span two or more frame beams 5 in the length direction.

In the use process of the large-scale suspended steel gallery jig frame structure, firstly, lattice columns are hoisted to a preset position on a basement bottom plate to be installed and fixed, and then, cross beams and diagonal braces are installed at the tops of two adjacent lattice columns; the assembly construction of the jig frame lattice column, the cross beam and the diagonal bracing can be directly carried out at the preset position of the basement top plate by adopting the components, so that the hoisting construction difficulty of the jig frame is reduced. In the work progress, the lattice column can provide stable support for the unsettled steel vestibule of large-scale rigid vestibule under the condition that highly exceeds 10 meters, guarantees the stability of the unsettled steel vestibule structure of large-scale. For the large-scale unsettled steel corridor structure of elevation lower, can adjust the height of lattice column and make the lattice column be applicable to the installation elevation of large-scale unsettled steel corridor.

The foregoing is a detailed description of specific embodiments of the utility model and is not intended to be limiting of the utility model. Various alternatives, modifications and improvements will readily occur to those skilled in the relevant art without departing from the spirit and scope of the utility model.

Claims (10)

1. Large-scale unsettled steel vestibule bed-jig structure, its characterized in that includes: the utility model provides a lattice column (1), the bottom of lattice column (1) is provided with base (3), base (3) are including two roof beams (31) that are parallel to each other, two parallel arrangement has many tie-beams (32) between roof beam (31), lattice column (1) sets up at two roof beams (31) tops.

2. The large-scale unsettled steel gallery bed-jig structure according to claim 1, characterized in that the lattice column (1) overall structure is a quadrangular prism structure, including four upright posts (11), the four upright posts (11) are evenly arranged at the tops of two bottom beams (31); the lattice column (1) is uniformly provided with a plurality of layers of horizontal supports in the height direction, each layer of horizontal support comprises four cross bars (12), the four cross bars (12) are arranged in a rectangular shape, and each cross bar (12) is connected with two adjacent upright posts (11); in the height direction of the lattice column (1), a supporting diagonal rod (13) is arranged between two adjacent cross rods (12), two ends of the supporting diagonal rod (13) are respectively connected with two adjacent upright posts (11), and the adjacent supporting diagonal rods (13) are symmetrically arranged.

3. The large-scale unsettled steel gallery bed-jig structure according to claim 2, characterized in that the lattice column (1) top is also provided with a supporting layer, the supporting layer includes four first steel plates (14), the four first steel plates (14) are rectangular, each first steel plate (14) is connected with two adjacent upright posts (11); the two opposite first steel plates (14) are respectively connected through connecting rods (15), the four first steel plates (14) and the two connecting rods (15) enclose a Chinese character 'tian' -shaped structure, and sand boxes (16) are arranged at the intersecting positions of the two connecting rods (15); two reinforcing rods (17) are further arranged between the adjacent first steel plates (14) and the cross bars (12) at the top of the lattice column (1), and the two reinforcing rods (17) and the cross bars (12) are arranged in a triangular mode.

4. The large-scale suspended steel gallery jig frame structure according to claim 2, wherein the lattice columns (1) are arranged close to the ends of the bottom beams (31), and the connecting beams (32) are respectively arranged at the two ends of the bottom beams (31) and the connecting positions of the bottom beams (31) and the upright columns (11); the bottom of each bottom beam (31) is provided with a buried piece (33), and a plurality of buried pieces (33) are arranged along the length direction of the bottom beam (31).

5. The large-scale unsettled steel vestibule bed-jig structure according to claim 2, characterized in that, lattice column (1) is provided with hoist and mount piece (19) that are used for hoisting the lattice column near top position, hoist and mount piece (19) cross-section is trapezium structure, and a plurality of hoist and mount pieces (19) correspond respectively and set up on stand (11), with stand (11) mutually perpendicular, a plurality of hoist and mount pieces (19) are in on the same height of stand (11).

6. A large suspended steel gallery jig frame structure according to any one of claims 2 to 5, characterised in that when a plurality of lattice columns (1) are included, adjacent lattice columns (1) are connected by one or more cross beams (2) to form a set of jig frames, the cross beams (2) being arranged close to the tops of the lattice columns (1).

7. The large-scale unsettled steel gallery bed-jig structure according to claim 6, characterized in that one or more groups of diagonal braces (6) are further arranged between two adjacent lattice columns (1), each group of diagonal braces (6) comprises two first diagonal braces (61) symmetrically arranged, a first end of each first diagonal brace (61) is connected to the middle part of a cross beam (2), and a second end of each first diagonal brace (61) is connected to an upright column (11) and is positioned in the middle part or a position below the middle part of the upright column (11); a first horizontal rod (63) is further arranged between the upright post (11) and the first diagonal brace (61), a first end of the first horizontal rod (63) is connected with the upright post (11), a second end of the first horizontal rod is connected with the first diagonal brace (61), and the first horizontal rod (63) is parallel to the cross beam (2); a second diagonal brace (62) is further arranged between the first horizontal rod (63) and the first diagonal brace (61), the first end of the second diagonal brace (62) is connected with the first diagonal brace (61), and the second end of the second diagonal brace is connected with the first end of the first horizontal rod (63); the first diagonal braces (61) of two adjacent diagonal braces (6) are connected through a second horizontal rod.

8. The large-scale unsettled steel gallery bed-jig structure according to claim 6, characterized in that a cat ladder (7) is provided on the side of each lattice column (1), the cat ladder (7) being provided along the height direction of the lattice column (1).

9. The large suspended steel gallery jig frame structure according to claim 6, wherein the base (3) is arranged on a basement roof (4), one or more groups of top returning steel pipes (8) are arranged at the bottom of the basement roof (4), each group of top returning steel pipes (8) comprises two or more rows of top returning steel pipes, each row comprises a plurality of top returning steel pipes, adjacent rows of top returning steel pipes (8) are correspondingly arranged at the bottom of adjacent frame beams (5) at the bottom of the basement roof (4), and the distance between the top returning steel pipes of adjacent groups is determined according to the distance between the adjacent groups of jig frames.

10. The large-scale unsettled steel gallery bed-jig structure according to claim 9, characterized in that base (3) sets up in back top steel pipe (8) position department, back top steel pipe (8) are located between two sill beams (31), the length of sill beam (31) is not less than the distance between two frame beams (5).