CN212773371U - Limited space steel construction daylighting top cable work platform - Google Patents
Limited space steel construction daylighting top cable work platform Download PDFInfo
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- CN212773371U CN212773371U CN202021156624.XU CN202021156624U CN212773371U CN 212773371 U CN212773371 U CN 212773371U CN 202021156624 U CN202021156624 U CN 202021156624U CN 212773371 U CN212773371 U CN 212773371U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 175
- 239000010959 steel Substances 0.000 title claims abstract description 175
- 238000010276 construction Methods 0.000 title abstract description 31
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 239000004744 fabric Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of the construction, concretely relates to limited space steel construction daylighting top cable operation platform. The steel beam is built on the structural column and arranged around the top opening of the concrete structure; a circle of peripheral steel cables are arranged below the steel beam around the top opening of the concrete structure and connected with the structural column, and the peripheral steel cables are connected with the steel beam through hooks; main steel cables are tied between the opposite structural columns; the secondary steel cables are tied between the peripheral steel cables, the secondary steel cables and the main steel cables are woven to form a cable net covering the top opening of the concrete structure, and an operation platform is arranged on the cable net. The utility model discloses an operation platform that steel cable net + steel wire net piece are constituteed has realized the security of limited space high altitude large-span steel construction daylighting top construction, and operation platform simple structure, safety and stability need not set up full hall scaffold frame, and the processing preparation is simple and convenient, establishes conveniently, and construction cycle is short.
Description
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to limited space steel construction daylighting top cable operation platform.
Background
In the high-altitude large-span daylighting roof construction process, the traditional construction method generally adopts a full-hall scaffold as a construction operation platform, but the traditional construction method has the following defects in actual use: firstly, the full hall scaffold is influenced by span and height, belongs to a high and large formwork system under most conditions, and is a sub-project with larger danger exceeding a certain scale; secondly, the full-hall scaffold greatly affects the construction of each working procedure of a construction working face below a lighting item plane, the whole construction period of a project is affected, the full-hall scaffold is large in manpower, material resources and financial resources required for building and dismantling, the manufacturing cost is high, and the construction period is long.
There are also descriptions of new daylighting roof mounting platforms in prior published patents, such as:
chinese patent with patent number CN 204152229U discloses "a horizontal safety device of large-span", the device includes that the symmetry sets up many annular expansion bolts on the concrete floor of the arbitrary relative both sides in entrance to a cave, adopts wire rope to tighten between two expansion bolts that the entrance to a cave bilateral symmetry set up and connects, and the wire rope both ends all adopt fixture locking, have laid the fibre safety net on wire rope, the fibre safety net through flexible ligature on wire rope, 300mm is no less than to fibre safety net cover concrete floor every side. The purpose of this device is in order to satisfy the level protection when job site personnel operate, can not regard as platform during the operation, and mainly carries out the drawknot through expansion bolts and roof all around, and the security can't guarantee when using as the operation.
Chinese patent No. CN201720603407.2 discloses "a large-span cable-net type construction device", which includes: the rope net is pulled between the first main body structure and the second main body structure of the large span; and the construction platform is laid on the rope net. The purpose of this device is in order to satisfy job site personnel's operation, has set up fossil fragments and operation platform on the cable net, and the cable net is woven through the structure preformed hole and is formed. The friction between the keel and the steel wire rope is large, the fire resistance is poor, the cable net is provided with the platform, the platform is seriously downwarped, and the steel structure of the pre-assembled daylighting roof on the operation platform is high in operation risk.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art, provide a simple operation, security height, construction cycle are short, steel construction daylighting top construction operation platform that fire behavior is good, can be applied to the installation of the light-duty steel structure in large-span daylighting top.
In order to achieve the purpose, the utility model provides a limited space steel structure daylighting roof cable operation platform; the steel beam structure comprises a structural column arranged around an opening at the top of the concrete structure and a closed steel beam which is built on the structural column and arranged around the opening at the top of the concrete structure; a circle of peripheral steel cables are arranged below the steel beam and around the top opening of the concrete structure, the peripheral steel cables are connected with the structural column, and the peripheral steel cables are connected with the steel beam through hooks; main steel cables are tied between the opposite structural columns; the secondary steel cables are tied between the peripheral steel cables, the secondary steel cables are vertically crossed, the secondary steel cables and the main steel cables are woven to form a cable net covering the top opening of the concrete structure, and an operation platform is arranged on the cable net.
Furthermore, the steel beam is an I-shaped steel, the hook is clamped with the lower flange of the steel beam, and the hook comprises a left inserting frame, a right inserting frame, a hanging rod and an opening hook connected to the tail part of the hanging rod; the left inserting frame and the right inserting frame are detachably connected, both the left inserting frame and the right inserting frame are provided with notch structures with openings facing to each other, and the hanging rod is connected with the left inserting frame; the peripheral steel cable is arranged in the opening hook.
Left grafting frame and right grafting frame adopt detachable construction, can install on the girder steel lower part edge of a wing fast, and the notch gomphosis locking girder steel edge of a wing of left grafting frame and right grafting frame, can bear high strength load, and be difficult for droing, and the peripheral cable wire of quick overlap joint can be realized to the opening couple, and the jib is located peripheral cable wire tension once, blocks peripheral cable wire, prevents the slippage.
Furthermore, the intersection between the secondary steel cable and the secondary steel cable or between the primary steel cables is buckled through a U-shaped clamp.
Furthermore, a steel wire mesh is laid on the cable net, a plurality of steel wire meshes are combined to form the operation platform, the steel wire mesh is locked with the secondary steel cable or the main steel cable through a U-shaped clamp, and fireproof cloth is laid on the steel wire mesh.
The steel wire mesh sheet is convenient and quick to install, high in strength and relatively light in self weight; fireproof cloth is laid on the steel wire mesh sheets to prevent sparks from splashing to cause fire during steel structure electric welding operation.
Furthermore, a drawknot steel cable is obliquely pulled between the structural column and the main steel cable.
Prevent the excessive deflection phenomenon of the cable net after long service time.
Furthermore, a safety steel wire rope superposed with the projection of the light steel beam of the daylighting roof is pulled above the structural column and the steel beam.
When operating, the safety belt hook can be fixed on the safety steel wire rope, so that the high hanging and low hanging purposes are realized, and the construction safety is improved.
Furthermore, the distance between the secondary steel cables is 1.8m, and the secondary steel cables are additionally arranged below the light steel beam of the daylighting roof; the distance between the hooks between the structural columns is 2 m.
Compared with the prior art, the utility model has the advantages that:
the utility model provides a pair of limited space steel construction daylighting top cable operation platform, the utility model discloses with the help of the peripheral concrete column in daylighting top entrance to a cave, draw between post and establish main cable wire, draw the peripheral cable wire of round in the concrete column periphery to be connected inferior cable wire and main cable wire, peripheral cable wire, thereby form the cable wire net and conduct the utility model discloses a structural support lays the operation platform and realizes the site operation on the cable wire net, compares the mode that traditional full hall support frame was set up to the top by the end, the utility model discloses simple structure, set up conveniently, need not occupy the too much construction space in job site, other processes can insert the construction, have improved whole construction progress.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the cable net.
Fig. 3 is a schematic view of the connection between the main steel cable and the structural column and the connection between the hook and the steel beam.
Fig. 4 is a schematic view of the connection of the hook.
Fig. 5 is a schematic view of the longitudinal section structure of the present invention.
In the figure: 1-structural columns; 2-a main steel cord; 3-times steel cable; 4-peripheral steel cords; 5-lighting a top hole; 6-steel beam; 7-hooking; 701-left inserting frame; 702-a right plug-in rack; 703-a boom; 704-open hook; 8-steel wire mesh sheets; 9-tying a steel cable; 10-safety wire rope; 11-daylighting roof.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
A structural column 1 is arranged around the top opening of the concrete structure, and a closed steel beam 6 is arranged on the structural column 1 around the top opening of the concrete structure; the steel beam 6 is an I-steel. A limited space steel structure daylighting top stay cable operation platform comprises a steel wire rope net which is arranged between a main concrete structure column 1 and a steel beam 6 in a pulling mode; and the operation platform is laid on the cable net. As shown in fig. 1 and 2; according to the outline position of the structural column 1 around the roof daylighting roof 11 and the erection height of the cable net, the peripheral steel cable 4 is installed to surround a circle, a plurality of fixed points are arranged at the position of the concrete structural column 1, and the peripheral steel cable 4 and the corner part of the concrete structural column 1, which is in contact with each other, are all protected by using plastic hoses to the peripheral steel cable 4. In order to prevent the peripheral steel cable 4 from being warped downwards under stress, a circular ring is welded on the lower steel beam 6 of the steel beam, the peripheral steel cable 4 on the side is hung by the steel cable, and the steel cable is fixed by a galvanized U-shaped clamp steel cable buckle. And between the structural columns 1, the interval is 2m, and the hooks 7 are connected with the flange plates of the H-shaped steel beams, and the peripheral steel cables 4 are hung on the hooks.
As shown in fig. 4, the hook 7 includes a left insertion frame 701, a right insertion frame 702, a suspension rod 703, and an open hook 704 connected to the tail of the suspension rod 703; the left inserting frame 701 and the right inserting frame 702 are detachably connected, the left inserting frame 701 and the right inserting frame 702 are both provided with a notch structure with an opening facing to the other side, and the hanging rod 703 is connected with the left inserting frame 701; the peripheral steel cable 4 is placed in the opening hook 704. The left inserting frame 701, the right inserting frame 702 and the hanging rod 703 are formed by bending low-alloy steel plates, the width of the left inserting frame 701 and the width of the right inserting frame 702 are about 5cm, and the hanging rod 703 is fixedly connected with the left inserting frame 701 through 3 bolts. The left inserting frame 701 and the right inserting frame 702 are also connected through 2 bolts, notch structures of the left inserting frame 701 and the right inserting frame 702 are clamped on a flange at the lower part of the steel beam 6 during installation, and the left inserting frame 701 and the right inserting frame 702 are respectively installed on two sides of a web plate; then inserting bolts to connect the left inserting frame 701 and the right inserting frame 702 and screwing nuts to fasten, and then lapping the peripheral steel cable 4 in the opening hook 704.
A main steel cable 2 is tied between the opposite structural columns 1; the secondary steel cables 3 are tied between the peripheral steel cables 4, the secondary steel cables 3 are vertically arranged in a cross mode, the secondary steel cables 3 and the main steel cables 2 are woven to form a cable net covering the top opening of the concrete structure, and an operation platform is arranged on the cable net. The secondary steel cable 3 and the secondary steel cable 3 or the main steel cable 2 are buckled at the crossing part through a U-shaped clamp. The cable net is paved with steel wire meshes 8, the steel wire meshes 8 are combined to form an operation platform, the steel wire meshes 8 are locked with the secondary steel cables 3 or the main steel cables 2 through U-shaped clamps, and fireproof cloth is paved on the steel wire meshes 8. A drawknot steel cable 9 is obliquely pulled between the structural column 1 and the main steel cable 2. A safety steel wire rope 10 which is superposed with the projection of the light steel beam of the daylighting roof 11 is pulled above the structural column 1 and the steel beam 6. The distance between the secondary steel cables 3 is 1.8m, and the secondary steel cables 3 are additionally arranged below the light steel beam of the daylighting roof 11; the distance between the hooks 7 between the structural columns 1 is 2 m.
When the end of the main steel rope 2 is connected with the structural column 1, as shown in fig. 3; main cable wire 2 is around 1 round of structure post, adopt 4 galvanized U types to press from both sides the connection of wire rope buckle, the tip sets up safe curvy, for preventing that main cable wire 2 from taking place to damage at 1 external corner position of main part concrete structure post, set up the rubber pad in external corner department during the installation, for avoiding main cable wire 2 to use for a long time at 1 department's gliding of structure post, set up the hole directly over structure post on girder steel 6, adopt wire rope to pass the hole and be connected with main cable wire 2, galvanized U type presss from both sides the wire rope buckle fixed, or set up the buried plate in 1 side of structure post, welding rings, it is fixed to be used for 2 drawties of main cable wire.
When the end of the peripheral steel cable 4 is connected with the structural column 1, the peripheral steel cable 4 winds the structural column 1 for one circle and is connected by adopting a galvanized U-shaped clamp steel cable buckle, the end part of the peripheral steel cable is provided with a safety bend, and a rubber pad is arranged at the external corner in the installation process for preventing the peripheral steel cable 4 from being damaged at the external corner of the main concrete structural column 1.
Secondary steel cable 3 and peripheral steel cable 4 adopt galvanized U type to press from both sides the wire rope buckle and connect, set up 4 wire rope clamps, wire rope clamp plate should be on 3 atress ropes of secondary steel cable one side, and the rope presss from both sides the interval and should not be less than 6 times of 3 diameters of secondary steel cable. The distance between the last clamp and the rope end is larger than or equal to 140mm, in order to conveniently check whether the joint is reliable or not and find whether the secondary steel cable 3 slides or not, a clamping head is arranged at the position, larger than 500mm, behind the last clamping head, and the rope end is discharged into a safety bend, when the secondary steel cable 3 of the joint slides, the safety bend is firstly straightened, so that an operator can take measures in time, the U-shaped bend is additionally arranged at the bending position of the secondary steel cable 3, a rubber pad is arranged on the inner side of the U-shaped bend, and the secondary steel cable 3 is prevented from.
The same connection between the longitudinal peripheral steel cables 4 and the transverse peripheral steel cables 4 is used, and therefore, the detailed description thereof is omitted.
The utility model discloses an operation platform that steel cable net + steel wire net piece are constituteed has realized the security of limited space high altitude large-span steel construction daylighting top construction, and operation platform simple structure, safety and stability need not set up full hall scaffold frame, and the processing preparation is simple and convenient, establishes conveniently, and construction cycle is short.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A limited space steel structure daylighting top stay cable operation platform comprises a structural column (1) arranged around an opening at the top of a concrete structure, and a closed steel beam (6) which is built on the structural column (1) and arranged around the opening at the top of the concrete structure; the method is characterized in that: a circle of peripheral steel cables (4) are arranged below the steel beam (6) around the top opening of the concrete structure, the peripheral steel cables (4) are connected with the structural column (1), and the peripheral steel cables (4) are connected with the steel beam (6) through hooks (7); a main steel cable (2) is tied between the opposite structural columns (1); the secondary steel cables (3) are tied between the peripheral steel cables (4), the secondary steel cables (3) are arranged in a vertical cross mode, the secondary steel cables (3) and the main steel cables (2) are woven to form a cable net covering the top opening of the concrete structure, and an operation platform is arranged on the cable net.
2. The limited space steel structure daylighting top cable operation platform of claim 1, characterized in that: the steel beam (6) is an I-shaped steel, the hook (7) is clamped with a lower flange of the steel beam (6), and the hook (7) comprises a left inserting frame (701), a right inserting frame (702), a hanging rod (703) and an opening hook (704) connected to the tail of the hanging rod (703); the left inserting frame (701) and the right inserting frame (702) are detachably connected, the left inserting frame (701) and the right inserting frame (702) are respectively provided with a notch structure with an opening facing to the other side, and the hanging rod (703) is connected with the left inserting frame (701); the peripheral steel cable (4) is arranged in the opening hook (704).
3. The limited space steel structure daylighting top cable operation platform of claim 1, characterized in that: the crossing between the secondary steel cable (3) and the secondary steel cable (3) or the main steel cable (2) is buckled through a U-shaped clamp.
4. The limited space steel structure daylighting top cable operation platform of claim 1, characterized in that: the cable net is paved with steel wire meshes (8), the steel wire meshes (8) are combined to form the operation platform, the steel wire meshes (8) are locked with the secondary steel cables (3) or the main steel cables (2) through U-shaped clamps, and fireproof cloth is paved on the steel wire meshes (8).
5. The limited space steel structure daylighting top cable operation platform of claim 1, characterized in that: and a drawknot steel cable (9) is obliquely pulled between the structural column (1) and the main steel cable (2).
6. The limited space steel structure daylighting top cable operation platform of claim 1, characterized in that: and a safety steel wire rope (10) which is superposed with the projection of the light steel beam of the daylighting roof (11) is pulled above the structural column (1) and the steel beam (6).
7. The limited space steel structure daylighting roof cable operation platform of any one of claims 1-6, characterized in that: the distance between the secondary steel cables (3) is 1.8m, and the secondary steel cables (3) are additionally arranged below the light steel beam of the daylighting roof (11); the distance between the hooks (7) between the structural columns (1) is 2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021156624.XU CN212773371U (en) | 2020-06-22 | 2020-06-22 | Limited space steel construction daylighting top cable work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021156624.XU CN212773371U (en) | 2020-06-22 | 2020-06-22 | Limited space steel construction daylighting top cable work platform |
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| Publication Number | Publication Date |
|---|---|
| CN212773371U true CN212773371U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021156624.XU Expired - Fee Related CN212773371U (en) | 2020-06-22 | 2020-06-22 | Limited space steel construction daylighting top cable work platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991450A (en) * | 2022-05-17 | 2022-09-02 | 中建二局第三建筑工程有限公司 | Prestress reverse-pulling soft platform and construction method |
-
2020
- 2020-06-22 CN CN202021156624.XU patent/CN212773371U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991450A (en) * | 2022-05-17 | 2022-09-02 | 中建二局第三建筑工程有限公司 | Prestress reverse-pulling soft platform and construction method |
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Granted publication date: 20210323 |