CN107954306A - Precast stair Lift-on/Lift-off System and hanging method - Google Patents
Precast stair Lift-on/Lift-off System and hanging method Download PDFInfo
- Publication number
- CN107954306A CN107954306A CN201711163062.4A CN201711163062A CN107954306A CN 107954306 A CN107954306 A CN 107954306A CN 201711163062 A CN201711163062 A CN 201711163062A CN 107954306 A CN107954306 A CN 107954306A
- Authority
- CN
- China
- Prior art keywords
- hoisting
- hoist
- hole
- lift
- precast stair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of precast stair Lift-on/Lift-off System and hanging method, belong to the lifting field of construction, for solving the pre-buried lifting connector on precast stair in the prior art, the problem of lifting is easily come off in hoisting process with connector and occurs not lifting or even occur lifting accident.The present invention on the precast stair by setting two holes for hoist pair, each pair hole for hoist is to including two vertically arranged holes for hoist, each hoisting steel beam is correspondingly arranged in each hole for hoist to lower section, and opened up on each hoisting steel beam with corresponding hole for hoist to corresponding through hole, drawing-in is connected after corresponding to the correspondence hole for hoist of correspondence hole for hoist centering on the correspondence through hole and precast stair of hoisting steel beam with shoulder pole for hoisting successively respectively at the both ends of every first steel wire rope, the first steel wire rope is enabled to pass through the safely and reliably hoisting prefabricated stair of the vertical hole for hoist and hoisting steel beam on precast stair, improve the security of precast stair lifting, and construction efficiency can be improved.
Description
Technical field
The present invention relates to construction to lift field, more particularly to a kind of precast stair Lift-on/Lift-off System and hanging method.
Background technology
With prefabricated concrete structure large-area applications, in prefabrication building course, a large amount of prefabricated components
Lifting is needed to install, since a large amount of prefabricated components such as precast stair is made by armored concrete, construction weight is big, and lifting adopts
Lifted with large-scale tower crane, sling height is high, has certain danger, and current most of prefabricated part hangings use component
, there is suspension centre damage in installation process is lifted, construction weight is big, hoisting height is high, hangs in the mode of interior suspension-center pre-embedded
Component is caused to fall after point failure dangerous very big.
Because how to provide a kind of Hoisting Security and lift efficient precast stair Lift-on/Lift-off System and hanging method, it is
This area technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of precast stair Lift-on/Lift-off System and hanging method, by pre- on precast stair
Stay vertical hole for hoist and hoisting steel beam is set, can avoid the occurrence of caused by prior art lifting is damaged with connector and hang
Dress accident, realizes the safty hoisting construction of precast stair, improves prefabrication construction efficiency and quality, and can be so as to
In suspension centre Fast Installation, dismounting, accelerate construction efficiency.
In order to solve the above technical problems, the present invention provides following technical solution：
A kind of precast stair Lift-on/Lift-off System, for hoisting prefabricated stair, including a pair of of hoisting steel beam, at least two first steel
Cord, tower crane suspension hook and shoulder pole for hoisting, shoulder pole for hoisting are suspended to the lower section of tower crane suspension hook, are reserved on the precast stair
Two holes for hoist pair, each pair hole for hoist including two vertically arranged holes for hoist, each hoisting steel beam to being correspondingly arranged in each hang
Hole is filled to lower section, and is opened up on each hoisting steel beam with corresponding hole for hoist to corresponding through hole, the both ends of every first steel wire rope
After drawing-in corresponds to the correspondence hole for hoist of correspondence hole for hoist centering on the correspondence through hole and precast stair of hoisting steel beam successively respectively
It is connected with shoulder pole for hoisting.
Preferably, in above-mentioned precast stair Lift-on/Lift-off System, the both ends of first steel wire rope are connected to vertically respectively
On the shoulder pole for hoisting.
Preferably, in above-mentioned precast stair Lift-on/Lift-off System, the shoulder pole for hoisting lower surface is evenly arranged with four
For connecting the hanging ring of first steel wire rope.
Preferably, in above-mentioned precast stair Lift-on/Lift-off System, the tower crane suspension hook passes through described in the second wire rope suspensioning
Shoulder pole for hoisting, the quantity of second steel wire rope is two, and the end of second steel wire rope is uniformly connected to the lifting
With on shoulder pole, hung in the middle part of second steel wire rope on the tower crane suspension hook.
Preferably, in above-mentioned precast stair Lift-on/Lift-off System, the hole for hoist is to being arranged at the different of precast stair
In stairway step section.
The invention also discloses a kind of precast stair hanging method as described above, hung using precast stair as described above
Dress system, includes the following steps：
Step 1, factory for prefabrication process precast stair according to design drawing, reserve hole for hoist；
Step 2, the first steel wire rope are installed with hoisting steel beam so that the both ends of the first steel wire rope are respectively from hoisting steel beam
It is pierced by corresponding through hole；
Step 3, the both ends of the first steel wire rope are each passed through after the correspondence hole for hoist of precast stair and shoulder pole for hoisting phase
Even；
Step 4, tower crane suspension hook is by suspending the hoisting prefabricated stair of shoulder pole for hoisting in midair；
Step 5, precast stair reach designated position；
Step 6, dismounting hoisting steel beam, the first steel wire rope of dismounting and shoulder pole for hoisting；
Step 7, precast stair lifting installation are completed, and carry out next precast stair lifting.
From techniques disclosed above scheme, compared with prior art, beneficial effects of the present invention are as follows：
The present invention carries out research and development optimization for the lifting installation method of the medium-and-large-sized precast stair of prefabricated concrete structure, will
The hanging method of original built-in metal suspension centre on precast stair is changed to reserve vertical hole for hoist on precast stair, and utilizes
First steel wire rope perforation connection hoisting steel beam realizes the lifting of precast stair, lifts, avoids the occurrence of suitable for large scale prefabricated stair
Prior art lifting connector i.e. harm caused by suspension centre damage, realizes the safty hoisting construction of precast stair, improves pre-
Assembled architecture construction efficiency and quality processed.Also, it is of the invention by the way of vertical hole for hoist is reserved on precast stair,
It can accelerate construction efficiency in order to suspension centre Fast Installation, dismounting.
Brief description of the drawings
Fig. 1 is precast stair top view in one embodiment of the invention.
Fig. 2 is the elevation of the precast stair Lift-on/Lift-off System of one embodiment of the invention.
Fig. 3 is the bottom view of precast stair Lift-on/Lift-off System in one embodiment of the invention.
In figure：1- precast stairs, 2- hoisting steel beams, the first steel wires of 3-, 4- tower cranes suspension hook, 5- shoulder pole for hoisting, 6- second
Steel wire rope, 7- holes for hoist, 8- through holes.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.According to following explanation and right
Claim, advantages and features of the invention will become apparent from.This hair will be described in detail by cited embodiment combination attached drawing below
Bright technology contents and feature.Need in addition it illustrate, attached drawing uses using very simplified form and non-accurate ratio
Example, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.For sake of convenience, described below " on ",
" under " the upper and lower direction with attached drawing is consistent, but this can't be the limitation of technical solution of the present invention.
Please refer to Fig.1 to Fig.3, present embodiment discloses a kind of 1 Lift-on/Lift-off System of precast stair, for hoisting prefabricated stair 1,
Including a pair of of hoisting steel beam 2, at least two first steel wire ropes 3, tower crane suspension hook 4 and shoulder pole for hoisting 5, shoulder pole for hoisting 5 are outstanding
It is right in reserving two holes for hoist 7 on the lower section of tower crane suspension hook 4, the precast stair 1 to hang, and each pair hole for hoist 7 is to vertical including two
The hole for hoist 7 of setting, each hoisting steel beam 2 are correspondingly arranged in each hole for hoist 7 to lower section, and are opened up on each hoisting steel beam 2
Pair that drawing-in successively corresponds to hoisting steel beam 2 is distinguished to corresponding through hole 8, the both ends of every first steel wire rope 3 with correspondence hole for hoist 7
It is connected after answering the correspondence hole for hoist 7 of 7 centering of correspondence hole for hoist on through hole 8 and precast stair 1 with shoulder pole for hoisting 5.
The present invention is by setting two holes for hoist 7 right on the precast stair 1, each pair hole for hoist 7 including two to vertically setting
The hole for hoist 7 put, each hoisting steel beam 2 are correspondingly arranged in each hole for hoist 7 to lower section, and opened up on each hoisting steel beam 2 with
Correspondence hole for hoist 7 distinguishes the correspondence that drawing-in successively corresponds to hoisting steel beam 2 to corresponding through hole 8, the both ends of every first steel wire rope 3
It is connected after the correspondence hole for hoist 7 of 7 centering of correspondence hole for hoist on through hole 8 and precast stair 1 with shoulder pole for hoisting 5 so that first
Steel wire rope 3 can by the vertical hole for hoist 7 on precast stair 1 and hoisting steel beam 2 safely and reliably hoisting prefabricated stair 1,
Hoisting Security accident is avoided the occurrence of, improves the safety and stability that precast stair 1 lifts.Also, the present invention is using prefabricated
The mode of vertical hole for hoist 7 is reserved on stair 1, easy to suspension centre Fast Installation, dismounting, accelerates construction efficiency.
In order to enable more stable hoisting prefabricated stair 1, it is preferred that in above-mentioned 1 Lift-on/Lift-off System of precast stair, institute
The both ends for stating the first steel wire rope 3 are connected on the shoulder pole for hoisting 5 vertically respectively.
Preferably, in above-mentioned 1 Lift-on/Lift-off System of precast stair, 5 lower surface of shoulder pole for hoisting is evenly arranged with four
A hanging ring for being used to connect first steel wire rope 3.The hanging ring is uniformly arranged on 5 lower surface of shoulder pole for hoisting, can be with
So that the weight of precast stair 1 and hoisting steel beam 2 is uniformly transferred to the shoulder pole for hoisting 5, stress concentration is avoided the occurrence of.
In order to enable tower crane suspension hook 4 more smoothly suspends lifting use shoulder pole in midair, it is preferred that in above-mentioned precast stair 1
In Lift-on/Lift-off System, the tower crane suspension hook 4 passes through shoulder pole for hoisting 5 described in the second steel wire rope 6, the quantity of second steel wire rope 6
For two, the end of second steel wire rope 6 is uniformly connected on the shoulder pole for hoisting 5, the middle part of second steel wire rope 6
Hang on the tower crane suspension hook 4.
Please continue to refer to Fig. 1 to Fig. 3,1 hanging method of precast stair of the invention, using precast stair 1 as described above
Lift-on/Lift-off System, includes the following steps：
Step 1, factory for prefabrication process precast stair 1 according to design drawing, reserve hole for hoist 7；
Step 2, the first steel wire rope 3 are installed with hoisting steel beam 2 so that the both ends of the first steel wire rope 3 are respectively from hoisting steel beam
It is pierced by 2 correspondence through hole 8；
Step 3, the both ends of the first steel wire rope 3 are each passed through after the correspondence hole for hoist 7 of precast stair 1 and shoulder pole for hoisting 5
It is connected；
Step 4, tower crane suspension hook 4 suspend the hoisting prefabricated stair 1 of shoulder pole for hoisting 5 in midair by the second steel wire rope 6；
Step 5, precast stair 1 reach designated position；
Step 6, dismounting hoisting steel beam 2, the first steel wire rope 3 of dismounting and shoulder pole for hoisting 5；
Step 7, precast stair 1 lift installation and complete, carry out next precast stair 1 and lift.
The present invention cardinal principle be：The vertical hole for hoist 7 that the first steel wire rope 3 passes through is reserved on precast stair 1, the
1 time hoisting steel beam in one steel wire rope, 3 one end and precast stair 2 is connected, and the other end is connected with 4 steel shoulder pole of tower crane suspension hook, utilizes lifting
Stress support of the girder steel 2 as carrying 1 weight of precast stair, tower crane lift by crane precast stair 1 to designated position, dismantle hoisting steel beam
2, the first steel wire rope 3 of lifting is removed, completes the lifting installation of precast stair 1.On the one hand, 1 Lift-on/Lift-off System of precast stair of the invention
And hanging method, optimization precast stair 1 lift installation method, effectively avoid the weight caused by 1 suspension-center pre-embedded of precast stair damages
Big peril, enhancing precast stair 1 lift the security of installation.On the other hand, precast stair 1 of the invention lifting system
System and hanging method, by the way of vertical hole for hoist 7 is reserved on precast stair 1, easy to suspension centre Fast Installation, are dismantled,
Accelerate construction efficiency.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (6)
1. a kind of precast stair Lift-on/Lift-off System, for hoisting prefabricated stair, it is characterised in that including a pair of of hoisting steel beam, at least
Two first steel wire ropes, tower crane suspension hook and shoulder pole for hoisting, shoulder pole for hoisting is suspended to the lower section of tower crane suspension hook, described prefabricated
Two holes for hoist pair are reserved on stair, each pair hole for hoist is to corresponding to and setting including two vertically arranged holes for hoist, each hoisting steel beam
Each hole for hoist is placed in lower section, and is opened up on each hoisting steel beam with corresponding hole for hoist to corresponding through hole, every first steel
Distinguish pair that drawing-in successively corresponds to the correspondence hole for hoist centering on the correspondence through hole and precast stair of hoisting steel beam in the both ends of cord
It is connected after answering hole for hoist with shoulder pole for hoisting.
2. precast stair Lift-on/Lift-off System as claimed in claim 1, it is characterised in that erect respectively at the both ends of first steel wire rope
It is direct-connected to be connected on the shoulder pole for hoisting.
3. precast stair Lift-on/Lift-off System as claimed in claim 2, it is characterised in that the shoulder pole for hoisting lower surface is uniformly set
It is equipped with four hanging rings for being used to connect first steel wire rope.
4. precast stair Lift-on/Lift-off System as claimed in claim 1, it is characterised in that the tower crane suspension hook passes through the second steel wire rope
Suspend the shoulder pole for hoisting in midair, the quantity of second steel wire rope is two, and the end of second steel wire rope is uniformly connected to
On the shoulder pole for hoisting, hung in the middle part of second steel wire rope on the tower crane suspension hook.
5. precast stair Lift-on/Lift-off System as claimed in claim 1, it is characterised in that the hole for hoist is to being arranged at precast stair
Different stairway step sections on.
6. a kind of precast stair hanging method, it is characterised in that using the prefabricated building as described in any one in claim 1-5
Terraced Lift-on/Lift-off System, includes the following steps：
Step 1, factory for prefabrication process precast stair according to design drawing, reserve hole for hoist；
Step 2, the first steel wire rope are installed with hoisting steel beam so that the both ends of the first steel wire rope are respectively from the correspondence of hoisting steel beam
It is pierced by through hole；
Step 3, the both ends of the first steel wire rope are connected after being each passed through the correspondence hole for hoist of precast stair with shoulder pole for hoisting；
Step 4, tower crane suspension hook is by suspending the hoisting prefabricated stair of shoulder pole for hoisting in midair；
Step 5, precast stair reach designated position；
Step 6, dismounting hoisting steel beam, the first steel wire rope of dismounting and shoulder pole for hoisting；
Step 7, precast stair lifting installation are completed, and carry out next precast stair lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711163062.4A CN107954306A (en) | 2017-11-21 | 2017-11-21 | Precast stair Lift-on/Lift-off System and hanging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711163062.4A CN107954306A (en) | 2017-11-21 | 2017-11-21 | Precast stair Lift-on/Lift-off System and hanging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107954306A true CN107954306A (en) | 2018-04-24 |
Family
ID=61965187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711163062.4A Pending CN107954306A (en) | 2017-11-21 | 2017-11-21 | Precast stair Lift-on/Lift-off System and hanging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107954306A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862015A (en) * | 2018-09-17 | 2018-11-23 | 五冶集团上海有限公司 | A kind of precast beam lifting auxiliary tool and hanging method |
| CN108868131A (en) * | 2018-07-12 | 2018-11-23 | 湖北省建工第五建设有限公司 | Precast stair supporting apparatus and its application construction method |
| CN109823964A (en) * | 2019-01-31 | 2019-05-31 | 浙江省一建建设集团有限公司 | A kind of precast stair lifting connection structure and hanging method |
| CN110759237A (en) * | 2018-07-27 | 2020-02-07 | 上海公路桥梁（集团）有限公司 | Hoisting method |
| CN110817690A (en) * | 2018-08-07 | 2020-02-21 | 上海公路桥梁（集团）有限公司 | Transmission and hoisting method |
| CN114457965A (en) * | 2020-11-10 | 2022-05-10 | 长安大学 | Prefabricated staircase with assembled steps and construction method for assembling steps |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4707957A (en) * | 1986-08-20 | 1987-11-24 | Shepherd John D | Preassembled platform stairway |
| CN205637624U (en) * | 2016-05-11 | 2016-10-12 | 中建一局华江建设有限公司 | Prefabricated component hoist device |
| CN206408947U (en) * | 2016-12-27 | 2017-08-15 | 中铁三局集团有限公司 | Prefabricated stair hoisting appliance |
-
2017
- 2017-11-21 CN CN201711163062.4A patent/CN107954306A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4707957A (en) * | 1986-08-20 | 1987-11-24 | Shepherd John D | Preassembled platform stairway |
| CN205637624U (en) * | 2016-05-11 | 2016-10-12 | 中建一局华江建设有限公司 | Prefabricated component hoist device |
| CN206408947U (en) * | 2016-12-27 | 2017-08-15 | 中铁三局集团有限公司 | Prefabricated stair hoisting appliance |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868131A (en) * | 2018-07-12 | 2018-11-23 | 湖北省建工第五建设有限公司 | Precast stair supporting apparatus and its application construction method |
| CN110759237A (en) * | 2018-07-27 | 2020-02-07 | 上海公路桥梁（集团）有限公司 | Hoisting method |
| CN110759237B (en) * | 2018-07-27 | 2022-05-17 | 上海公路桥梁（集团）有限公司 | Hoisting method |
| CN110817690A (en) * | 2018-08-07 | 2020-02-21 | 上海公路桥梁（集团）有限公司 | Transmission and hoisting method |
| CN108862015A (en) * | 2018-09-17 | 2018-11-23 | 五冶集团上海有限公司 | A kind of precast beam lifting auxiliary tool and hanging method |
| CN109823964A (en) * | 2019-01-31 | 2019-05-31 | 浙江省一建建设集团有限公司 | A kind of precast stair lifting connection structure and hanging method |
| CN109823964B (en) * | 2019-01-31 | 2024-01-05 | 浙江省一建建设集团有限公司 | Prefabricated stair hoisting connection structure and hoisting method |
| CN114457965A (en) * | 2020-11-10 | 2022-05-10 | 长安大学 | Prefabricated staircase with assembled steps and construction method for assembling steps |
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