CN205677262U - A kind of large-span steel vestibule lifting means - Google Patents
A kind of large-span steel vestibule lifting means Download PDFInfo
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- CN205677262U CN205677262U CN201620582101.9U CN201620582101U CN205677262U CN 205677262 U CN205677262 U CN 205677262U CN 201620582101 U CN201620582101 U CN 201620582101U CN 205677262 U CN205677262 U CN 205677262U
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- steel
- joist
- vestibule
- steel vestibule
- box
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Abstract
The utility model discloses a kind of large-span steel vestibule lifting means, including for support and drive the box joist that steel vestibule promotes and the lifting bracket installed on the high building roof of the steel vestibule left and right sides, being provided with lifter on described lifting bracket, described lifter is provided with fixes with box joist and drives the steel strand wires that box joist promotes.The utility model uses the picking-up equipment that box joist promotes as steel vestibule, and lower anchor point is arranged on box joist, thus replaces suspension centre under tradition and directly weld the form being anchored on steel construction, protects steel construction；In addition, stagger with steel construction in vertical direction in the position of lower anchor point, ensure that the lifting route that will not hinder lower floor's steel vestibule after steel vestibule lifting in upper strata completes, i.e. only need to arrange that a lifting bracket and lifter can complete steel vestibule and repeatedly promote at high building roof, thus avoid the secondary change of lifter position, enormously simplify construction process.
Description
Technical field
The utility model technical field of building construction, particularly belongs to steel vestibule lifting construction technology.
Background technology
For playing the aerial Steel corridor of connection function in skyscraper, not only construction environment becomes increasingly complex, and
And steel structure also becomes increasingly complex: in irregular shape or need repeatedly promote in batches.For traditional steel vestibule several times
The mode promoting, the lower anchor point of lifting is typically directly welded on steel vestibule, thus upper strata steel vestibule is after lifting completes, meeting
Block the lifting circuit of lower floor's steel vestibule, lifter can only be varied to feasible location below the steel vestibule of upper strata and just can continue to lift up
The variation of understructure, lifting bracket and lifter consumes very considerable labour cost, fee of material, economy benefit difference；And
And construction process is loaded down with trivial details, fails to meet the time limit of a project.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of large-span steel vestibule joist type lifting means, side
Just construct, reduce construction cost, reduction of erection time.
For solving above-mentioned technical problem, the utility model adopts the following technical scheme that a kind of large-span steel vestibule joist type
Lifting means, including for support and drive the box joist that steel vestibule promotes and at steel vestibule left and right sides high building roof
The lifting bracket installed, described lifting bracket is provided with lifter, and described lifter is provided with to be fixed with box joist and drive
The steel strand wires that box joist promotes.
Preferably, described box joist is formed by the Plate Welding that model is Q345b, and described box joist includes putting down up and down
The horizontal steel plate of row setting and edge are front and back to the vertical steel plate being vertically supported between two horizontal steel plate.
Preferably, the corresponding suspension centre that promotes of described box joist offers the hole passing through for steel strand wires, and described steel strand wires exist
It is provided with earth anchor below box joist.
Preferably, described box joist respectively welds both sides before and after hole and steel vestibule with box joist contact point center
There is reinforcement steel plate.
Preferably, described steel vestibule is provided with clamp with box joist contact position and is fixed.
Preferably, described clamp includes that in vertical section that bottom is welded and fixed with box joist and vertical section, direction side is prominent
Go out and pressing is fixed on the nose section on steel vestibule bottom horizontal plate.
The utility model uses the picking-up equipment that box joist promotes as steel vestibule, and lower anchor point is arranged in box joist
On, thus replace suspension centre under tradition and directly weld the form being anchored on steel construction, protect steel construction；Additionally, lower anchor point
Position stagger with steel construction in vertical direction, it is ensured that upper strata steel vestibule promote complete after will not hinder lower floor's steel vestibule
Lifting route, i.e. only need to arrange that a lifting bracket and lifter can complete steel vestibule and repeatedly promote at high building roof, from
And avoid the secondary change of lifter position, and enormously simplify construction process, good above-mentioned solution tradition steel vestibule is repeatedly
The problem that hoisting way exists.
Brief description
With detailed description of the invention, the utility model is further described below in conjunction with the accompanying drawings:
Fig. 1 is that steel vestibule promotes system joist position elevation；
Fig. 2 is that steel vestibule promotes system joist bit plane figure；
Fig. 3 is that steel vestibule promotes system joist position profile；
Fig. 4 is that steel vestibule promotes system joist position 3D effect figure；
Fig. 5 is joist 3D effect figure；
Fig. 6 is that steel vestibule is at the assembled schematic diagram of moulding bed higher slice；
Fig. 7 is that upper strata steel vestibule integrally promotes schematic diagram；
Fig. 8 is that lower floor's steel vestibule promotes preparation schematic diagram；
Fig. 9 is that lower floor's steel vestibule integrally promotes schematic diagram；
In figure: 1. box joist, 2. steel vestibule, 3. hole, 4. steel strand wires, 5. clamp, 6. short steel column, 7. lifting bracket,
8. lifter, 9. upper strata steel vestibule, 10. earth anchor, 11. otic placodes, 12. lower floor's steel vestibules, 13. backing plates, 14. reinforcement steel plates, 15th floors
Top.
Detailed description of the invention
As shown in Figures 1 to 5, a kind of large-span steel vestibule joist type lifting means, including for support and drive steel even
The box joist 1 of corridor 2 lifting and the lifting bracket 7 installed on steel vestibule left and right sides high building roof 15, described lifting is propped up
Being provided with lifter 8 on frame 7, described lifter is provided with fixes with box joist and drives the steel strand wires 4 that box joist promotes.This
In embodiment, two-layer steel vestibule, i.e. upper strata steel vestibule 9 and lower floor's steel vestibule 12 are set.Steel vestibule uses bearing pin and ear with high building
Plate 11 connects, and arranges bi-lug plate at high building, and steel vestibule end arranges monaural plate, bi-lug plate and monaural plate is arranged and passes through for bearing pin
Pin-and-hole.
Wherein, the corresponding suspension centre that promotes of described box joist offers the hole 3 passing through for steel strand wires 4, and described steel strand wires exist
It is provided with the earth anchor 10 of steel strand wires and the locking of steel vestibule below box joist, between earth anchor 10 and steel vestibule, be provided with backing plate 13.Institute
State box joist both sides before and after hole and steel vestibule and box joist contact point center and be respectively welded with reinforcement steel plate 14.Described
Steel vestibule is provided with clamp 5 with box joist contact position and is fixed.
In the utility model, steel vestibule promotes the box joist being suitable for, and is formed by the Plate Welding that model is Q345b, described
Box joist includes that the horizontal steel plate be arrangeding in parallel up and down and edge are vertical to be vertically supported between two horizontal steel plate front and back
Steel plate, box joist cross section sectional dimension is 300mm × 300mm × 20mm × 20mm.Offer accordingly promoting hoisting point position
The hole of diameter 110mm, passes through for steel strand wires, hole location distance steel vestibule girder steel center 520mm, and at hole 3
Before and after center, before and after both sides and steel vestibule 2 and box joist 1 contact point center, the reinforcement steel of the thick Q345b of 20mm is respectively welded in both sides
Plate 14, to strengthen node strength.
As it is shown in figure 1, earth anchor 10 is temporarily fixed at below box joist hole location, after putting on steel strand wires, by lifter
Box joist is promoted to below steel vestibule, at each steel vestibule and box joist contact position, all uses 4 20mm thickness " ┓ "
Shape clamp is fixed, and clamp includes that in vertical section that bottom is welded and fixed with box joist and vertical section, direction side highlights simultaneously
Pressing is fixed on the nose section on steel vestibule bottom horizontal plate, and clamp lower end is only welded with box joist, and upper end is with steel vestibule not
Do and connect.Hydraulic rockshaft configuration needs to meet bearing capacity redundancy ＞ 1.25, and steel strand wires configuration need to meet bearing capacity and have more than needed
Coefficient ＞ 2.25.
Such as Fig. 6 to Fig. 9, technological principle of the present utility model is as follows:
Carry out layering assembly below the projection of steel vestibule predetermined installation site, at two ends high building roof 15, lifting bracket is installed
7 and lifter 8, utilize hydraulic lifting system integrally to promote steel vestibule and be controlled, by box joist 1 as promoting under
Anchor point carrier, it is ensured that promote free pathway, thus only need to arrange that a lifting means can the gradation of steel vestibule at roof 15
It is promoted to precalculated position.Wherein the nucleus equipment used by lifting construction is hydraulic lifting system, and this system is twisted by lifter the 8th, steel
Line the 4th, hydraulic pump source system, computer synchronous control and sensing and detecting system form with electric synchronization control system, can be by meter
Calculation machine control system carries out entirety and single-point control to lifting process.
Concrete operation of the present utility model comprises following step:
Step 1: steel vestibule 2 is assembled, carries out the layering assembly of steel vestibule, cloth between upper and lower two-layer steel vestibule on the moulding bed of ground
Putting the short steel column 6 of preferred 500mm height Q345 to be supported, short steel column is rolled section steel, its sectional dimension be HM400mm ×
300mm×10mm×16mm；；The splicing of steel vestibule requires to carry out arch camber according to span 1/300 according to design, by short steel column pad
Put the sheet metal of different-thickness to reach arch camber and require.
Step 2: lifting bracket 7 and lifter 8 are installed, on steel vestibule both sides high building roof 15 install lifting bracket 7 and
Lifter 8, wherein lifting bracket 7 and top layer stiffened column are welded to connect, and two lifting brackets 7 are arranged H profile steel beam, lifter profit
It is fixed on H profile steel beam with clamp 5；And 2m height guiding trestle is installed on lifting bracket；
Step 3: install box joist 1, utilize tower crane to be promoted to box joist 1 immediately below upper strata steel vestibule 9, to casting anchor
On solid point i.e. box joist, hole center should promote suspension centre vertical alignment with floor top, after alignment, utilizes clamp 5 by box torr
Beam 1 is fixed on steel vestibule 2；
Step 4: the 4th, steel strand wears earth anchor 10, and steel strand wires 4 penetrate from the bottom to top, it is ensured that steel strand wires 4 at earth anchor 10s extremely
Rare 20cm surplus, then locks earth anchor 10；
Step 5: the system that promotes connects, and connects lifting system, uses hander and hydraulic power unit limit pointwise debugging lifter
7, after pointwise debugging completes, attended operation cabinet and computer, start overall debugging；
Step 6: examination promotes, utilizes lifter 7 to carry out the examination of upper strata steel vestibule 9 and promotes, hydraulic rockshaft 8 cylinder pressure by
Gradually raise, be followed successively by the 3MPa of desirable pressure, in the case that Everything is fine, can continue to be loaded into 60%, 90%, 100%.
Steel vestibule is promoted to hover 12 hours at 250mm；
Step 7: formally promote, as shown in Figure 4, upper strata steel vestibule 9 formally promotes, promote speed maintain 0.1m/min～
Between 0.2m/min, promote after putting in place, utilize lifter 8 pointwise to finely tune steel vestibule 9 to designed elevation；
Step 8: lifting process monitors, in each lift stroke, monitoring lifter duty in real time, often promote 6m,
Lifter 7 pressure offset should be controlled and be less than 20%, also with apparatus measures steel vestibule each point absolute altitude, adjust structure appearance in time
State, then proceedes to promote；
Step 9: promote docking in place, steel vestibule uses bearing pin to be connected with high building, arranges bi-lug plate, steel vestibule end at high building
Portion arranges monaural plate, after otic placode welding, should carry out ultrasonic examination, it is ensured that welding quality, detect qualified after, use diameter 150mm
Bearing pin connection fixes；
Step 10: unloading, unloads according to promoting the ascending order of counter-force successively step by step according to simulation result of calculation, will
Box joist 1 is slowly dropped to ground, unclamps lower anchor point；
Step 11: lower floor's steel vestibule 12 promotes and prepares, and cuts away clamp 5, utilizes tower crane to be promoted to down box joist 1
Below layer steel vestibule 12, being again fixed on lower floor's steel vestibule 12 with clamp 5, concrete steps are with reference to step 3；
Step 12: lower floor's steel vestibule 12 examination lifting, formal lifting, contraposition connect, with reference to step 4～step 10.
The utility model is made that bigger improvement, box for tradition steel construction integral hoisting construction several times in technique
Joist as steel vestibule lifting carrier, well solve tradition steel construction need when repeatedly promoting repeatedly to arrange lifting bracket and
The problem of lifter, improves and significantly simplifies construction process, shorten the duration, saves material labour cost, therefore simultaneously
Easy construction, applied widely, economic benefit is obvious, has good application value.
Claims (6)
1. a large-span steel vestibule joist type lifting means, it is characterised in that: include for support and drive steel vestibule to promote
Box joist and on the high building roof of the steel vestibule left and right sides install lifting bracket, described lifting bracket is provided with and carries
Rising device, described lifter is provided with fixes with box joist and drives the steel strand wires that box joist promotes.
2. a kind of large-span steel vestibule joist type lifting means according to claim 1, it is characterised in that: described box torr
Beam is formed by the Plate Welding that model is Q345b, and described box joist includes the horizontal steel plate that be arranged in parallel up and down and along front
The backward vertical steel plate being vertically supported between two horizontal steel plate.
3. a kind of large-span steel vestibule joist type lifting means according to claim 2, it is characterised in that: described box torr
The corresponding suspension centre that promotes of beam offers the hole passing through for steel strand wires, and described steel strand wires are provided with earth anchor below box joist.
4. a kind of large-span steel vestibule joist type lifting means according to claim 3, it is characterised in that: described box torr
Beam is respectively welded with reinforcement steel plate in both sides before and after hole and steel vestibule and box joist contact point center.
5. a kind of large-span steel vestibule joist type lifting means according to claim 1, it is characterised in that: described steel vestibule
It is provided with clamp with box joist contact position to be fixed.
6. a kind of large-span steel vestibule joist type lifting means according to claim 5, it is characterised in that: described clamp bag
In the vertical section being welded and fixed with box joist bottom including and vertical section, direction side is prominent and pressing is fixed on bottom steel vestibule
Nose section on level board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582101.9U CN205677262U (en) | 2016-06-14 | 2016-06-14 | A kind of large-span steel vestibule lifting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582101.9U CN205677262U (en) | 2016-06-14 | 2016-06-14 | A kind of large-span steel vestibule lifting means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205677262U true CN205677262U (en) | 2016-11-09 |
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ID=57433506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620582101.9U Expired - Fee Related CN205677262U (en) | 2016-06-14 | 2016-06-14 | A kind of large-span steel vestibule lifting means |
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| CN (1) | CN205677262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401198A (en) * | 2016-06-14 | 2017-02-15 | 中天建设集团有限公司 | Large-span steel gallery lifting equipment and construction method |
-
2016
- 2016-06-14 CN CN201620582101.9U patent/CN205677262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401198A (en) * | 2016-06-14 | 2017-02-15 | 中天建设集团有限公司 | Large-span steel gallery lifting equipment and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20180614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |