CN109736581A - A kind of construction elevator safeguard structure and construction method - Google Patents
A kind of construction elevator safeguard structure and construction method Download PDFInfo
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- CN109736581A CN109736581A CN201910004642.1A CN201910004642A CN109736581A CN 109736581 A CN109736581 A CN 109736581A CN 201910004642 A CN201910004642 A CN 201910004642A CN 109736581 A CN109736581 A CN 109736581A
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Abstract
The invention discloses a kind of construction elevator safeguard structure and construction methods, belong to technical field of building construction.The structure includes the internal floor that floor bar is distributed with, and floor bar, which extends to, forms reinforcing bar protective layer in the hole of elevator；Reinforcing bar protective layer is passed through the safeguard structure that the hole of elevator is formed by transverse steel and/or longitudinal reinforcement；Transverse steel and longitudinal reinforcement within the scope of the hole of elevator side by side are spaced the hole for passing through elevator.Floor bar is extended from the hole of elevator and is passed through when concrete floor slab placement arranges reinforcing bar by the construction techniques, and reinforcing bar protective layer is formed in hole.The protection of the closing to elevator can be completed in the floor bar construction stage in the present invention, it is additionally installed without the later period, substantially additional artificial and Master Cost is not generated, while to play and complete security protection, operator generates falling risk when additional installation cost also being avoided to install, and has essence different from existing elevator safety protecting method.
Description
Technical field
The invention belongs to technical field of building construction, are related in skyscraper, elevator well opening construction of prevention work technology, more
It says to body, is related to a kind of construction elevator safeguard structure and construction method.
Background technique
In construction, an important component of the elevator as building, building height determines that elevator is vertically deep
Degree, therefore elevator protection is exactly one of the object of security concern concern always.However elevator is due to the defect of protection, and lead
Cause personnel's falling accident happens occasionally, and the majority of elevator protection at present is all utilized in door opening inlet and increases protective fence, elevator
Inner support is vertically set up using steel pipe in well, door opening inlet increases protective fence setting, this is that a kind of very incomplete protection is arranged
It applies, falls in the construction process it cannot be guaranteed that personnel will not occur, therefore do not ensured in safety, and constructing
Falling accident reason occurs often for elevator in journey, once personnel enter generation falling accident, the possibility that almost just do not give treatment to.
The safety problem of elevator has been a concern in construction, such as Chinese Patent Application No. are as follows:
201520801663.3, publication date are as follows: the patent document on June 15th, 2016 discloses a kind of elevator protective frame, including more
A first layer protective device and second layer protective device being installed in elevator shaft, the first layer protective device and the second layer
Protective device is arranged alternately, and first first layer protective device is located at the surface of first second layer protective device from top to bottom,
First layer protective device is made of mounting bracket and fall arrest eye net, the anti-fall construction of being caught of level inside the utility model hoistway
Simplicity, general safety coefficient improve, and simple and easy to use, fixed point is secured, guarantee operation and construction personnel's safety, product design
Material is that building site common used material gathers materials on the spot, makes simple, low in cost, and generally applicable various forms of hoistways construction, which meets, to be applied
Work order position safety operation requirement.But first layer protective device and second layer protective device require additionally to install in the program,
A large amount of protective device deposit and transhipment, higher cost are needed, and installation and removal require manual operation, especially build in high level
It builds and carries out disassembling operations in elevator position, difficulty itself and risk are higher, Yi Fasheng safety accident, also additionally increase recruitment
Cost.
For another example, Chinese Patent Application No. are as follows: 201720727271.6, publication date are as follows: the patent text on March 16th, 2018
It offers, discloses a kind of building electricity consumption stair shaft falling-proof safety device comprising: multiple brackets, to be set to the elevator
Bottom, the cantilever tip are equipped with a pulley；Multiple stopper posts are respectively arranged on the bracket side；One protective net is set to described
Between bracket and the corresponding stopper posts, the protective net have multiple rope bodies in conjunction with the moveable roller respectively；It is multiple
Clump weight is respectively arranged in the bracket and in conjunction with the rope body；And at least one start switch, and is set to an at least backstop
Column.But the program needs to install protective net by bracket in elevator, and protective net is able to carry out lifting, structure is more
Complexity, installation is inconvenient, and not only cost is very high, and is not suitable for installing in high rise elevator well.
Summary of the invention
1, it to solve the problems, such as
The present invention provides a kind of construction elevator safeguard structure, and its object is to solve elevator in high-building construction
Well, which opens wide, is easy to happen safety accident, and existing safeguard procedures need additional installation, and the cost is relatively high, and there are risks etc. for dismounting
The problem of.The closing to elevator can be completed in the floor bar construction stage in construction elevator safeguard structure of the invention
Protection, is additionally installed without the later period, additional artificial and Master Cost is not generated substantially, thus playing and completing security protection
Meanwhile operator generates falling risk when additional installation cost also being avoided to install, and pacifies with the existing elevator constructed at present
Full protection method has essential difference.
The present invention also provides a kind of construction techniques, realize and complete the envelope to elevator in the floor bar construction stage
Close protection.
2, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
The floor of floor bar, the floor bar are distributed with including inside for a kind of construction elevator safeguard structure
Extend to formation reinforcing bar protective layer in the hole of elevator.
As a further improvement, the reinforcing bar protective layer is horizontally through the hole of elevator by more floor bars side by side
It is formed.
As a further improvement, the reinforcing bar protective layer is by more floor bars side by side longitudinally through the hole of elevator
It is formed.
As a further improvement, what the hole that the reinforcing bar protective layer is passed through elevator by floor bar in a crisscross manner was formed
Netted safeguard structure.
As a further improvement, the transverse steel within the scope of the hole of elevator side by side passes through elevator at interval of one
Hole.
As a further improvement, the longitudinal reinforcement within the scope of the hole of elevator side by side passes through elevator at interval of one
Hole.
As a further improvement, the transverse steel and longitudinal reinforcement within the scope of the hole of elevator side by side are spaced one
Across the hole of elevator.
As a further improvement, within the scope of the hole of the elevator adjacent floor deck reinforcing bar spacing be 200mm~
250mm, floor bar use diameter for the screw-thread steel of 6mm~8mm.
A kind of construction techniques, step include: to extend floor bar from elevator when concrete floor slab placement arranges reinforcing bar
The hole of well passes through, and reinforcing bar protective layer is formed in hole.
As a further improvement, the floor bar in floor arranges that wherein lower layer's floor bar extends through elevator two layers
The hole of well；Transverse steel and longitudinal reinforcement are staggered to form netted safeguard structure, and floor steel within the scope of the hole of elevator
Muscle interval passes through the hole of elevator.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
(1) construction elevator safeguard structure of the present invention is meeting safety, quality, efficient, cost and code requirement
Under the premise of, extend floor bar length by lateral, longitudinal, and prevent through elevator, the staggered grid steel mesh of formation cross
Sheath, has prevented personnel's falling from elevator well opening, additionally installs without the later period, thus while playing security protection,
Also additional installation cost and risk are avoided；And when up installing elevator from bottom in the later period, first every layer of elevator door is installed, so
As long as afterwards from the bottom up successively cutting reinforcing bar along elevator inner wall, one layer of installation, reinforcing bar cut one layer, prevent elevator in this way
Well falling accident ensures construction safety, and the reinforcing bar cut is also recyclable to be recycled.
(2) construction elevator safeguard structure of the present invention passes through transverse steel and longitudinal steel in the hole of elevator
The protection grid that muscle intersects to form, spacing of reinforcement is apart from unnecessary too close, using spacing of reinforcement one, across one form
Arrangement, and adjacent bar spacing is controlled in 200mm~250mm, and uses diameter for the screw-thread steel of 6mm~8mm, can both be reduced
Reinforcing bar usage amount, and meet simultaneously to vertical height significant interval, block, prevent and stop falling for personnel.
(3) construction elevator safeguard structure of the present invention, structure is simple, and design is rationally, easy to implement.
Detailed description of the invention
Fig. 1 is that the reinforcing bar of construction elevator safeguard structure of the present invention extends through the signal of elevator well opening construction of prevention work
Figure.
In figure: 1, floor；2, floor bar；3, elevator door side wall wall；4, elevator door opening；5, transverse steel；6, longitudinal
Reinforcing bar；7, reinforcing bar in wall；8, shear wall；9, hole；10, inner wall is sheared.
Specific embodiment
The present invention is further described below with attached drawing combined with specific embodiments below.
Embodiment
The present embodiment provides a kind of construction elevator safeguard structure, main purpose is that high-rise building is avoided to build
Elevator, which opens wide, in work progress existing the construction such as drops security risk, while reducing additional artificial, material as far as possible
Cost also avoids dismounting trouble brought by the phase of front and back.
It is well known that elevator has become very important part in modern architecture, and for skyscraper, electricity
Ladder is almost essential, the electricity this requires reserving the elevator of installation elevator in construction, between bottom to top layer
Terraced hole 9 forms elevator shaft, and every layer of all reserved elevator door opening 4 installs elevator door, so as to upper and lower elevator.From the floor of Fig. 1
Plan view sees that up and down, floor is higher, elevator well depth is deeper at the hole 9 of elevator, and what is accompanied is exactly dangerous hidden
Trouble is bigger, and traditional approach is the increase protective guard device at elevator door opening 4, but on the one hand needs additionally to install protective equipment,
Every layer of all installation takes time and effort, and higher cost, the later period also needs to dismantle, and dismounting all has certain risk；On the other hand, by
In a variety of causes, often protective fence can be disassembled in construction, can not play protective action.Certainly, also have in the hole of elevator
Mouth 9 installs protective devices, but same this just needs a large amount of protective device deposit and transhipment, higher cost, and mounts and dismounts
Manual operation is required, carries out disassembling operations in elevator position especially on skyscraper, difficulty itself and risk are higher, easily
Safety accident occurs, also additionally increases recruitment cost.
To solve the above-mentioned problems, the present embodiment then utilizes the floor bar 2 in script building construction process in elevator
Hole 9 in formed safeguard structure.As shown in Figure 1, being all distributed in floor 1 criss-cross in each layer of skyscraper
Floor bar 2 is disconnected at elevator with reaching enough support strengths, does not arrange floor bar 2, empty to vacate hole 9
Between；The shear wall 8 of the rectangular space that elevator is surrounded by quadruple shear wall 8, left and right sides and rear side is solid wall, and preceding
Side shear wall 8 opens up elevator door opening 4, and the wall of 4 two sides of elevator door opening is elevator door side wall wall 3, for installing elevator door,
And dangerous entrance is easy to happen in construction.
Enter hole by the way that the floor bar 2 in every floor plate 1 to be extended through to the shear wall 8 of elevator in the present embodiment
In mouth 9, reinforcing bar protective layer is formed in hole 9, so that hole 9 be closed.Such structure meet safety, quality, efficiently, at
Originally and under the premise of code requirement, personnel's falling from elevator well opening has been prevented, has additionally been installed without the later period, thus playing
While security protection, additional installation cost and risk are also avoided；And when up installing elevator from bottom in the later period, first by every layer
Elevator door is installed, as long as then from the bottom up successively cutting reinforcing bar along shearing inner wall 10, one layer of installation, reinforcing bar are cut
One layer, prevent elevator falling accident in this way, ensure construction safety, the reinforcing bar cut is also recyclable to be recycled.Floor bar 2 is stretched
Enter and necessarily pass shear wall 8 in hole 9, to form reinforcing bar 7 in wall in shear wall 8, shear wall 8 is played and is added
Pretend use.
Due to being criss-cross arranged when floor bar 2 in floor 1, protrude into hole 9 floor bar 2 also have it is more
Kind selection, reinforcing bar protective layer can be formed by the hole 9 that more floor bars 2 side by side are horizontally through elevator, that is, horizontal
It is extended in hole 9 to reinforcing bar 5 or reinforcing bar protective layer can be by more floor bar 2 side by side longitudinally through elevator
Hole 9 is formed, that is, longitudinal reinforcement 6 extends in hole 9 or reinforcing bar protective layer can be criss-cross by floor bar 2
The staggered netted safeguard structure of cross formed across the hole of elevator 9, that is, transverse steel 5 and longitudinal reinforcement 6 are simultaneously
It extends in hole 9.The present embodiment selection extends 2 length of floor bar using a kind of last mode, by lateral, longitudinal direction, and
Through elevator, form the staggered grid steel mesh protective layer of cross, better protecting effect.
Floor bar 2 in floor 1 is generally disposed with upper layer and lower layer, general only to need one layer to extend to formation one in hole 9
Layer muscle net protective layer, has been able to guarantee enough safety protection functions, and subsequent two layers of protection cutting is also avoided more to consume
When, selecting two layers of floor bar 2 all to extend to form certainly, Double-protection layer is also possible, and the present embodiment selection only extends lower layer
Floor bar 2.Meanwhile the floor bar 2 in floor 1 arrange it is general more intensive, to ensure the structural strength of floor, and conduct
The protective layer extended in hole 9 is then not necessarily to so densification, common people's foot and is not easy to fall into, so herein as further
Optimization design can not say that the every floor bar 2 in floor 1 all protrudes into hole 9, but in 9 range of the hole of elevator
Inside transverse steel 5 side by side passes through the hole 9 of elevator at interval of one, or in 9 range of the hole of elevator side by side
Longitudinal reinforcement 6 passes through the hole 9 of elevator, or the lateral steel in 9 range of the hole of elevator side by side at interval of one
Muscle 5 and longitudinal reinforcement 6 are spaced the hole 9 for passing through elevator, and certain the present embodiment selects the latter, and effect is more preferable, can shape
The grid of squarely.
Meanwhile the selection of floor bar 2 is also most important, has both influenced the structural strength of floor 1, also influences to prevent in hole 9
The protection safety of sheath, both comprehensive demands of the present embodiment, selecting to use diameter for the screw-thread steel of 6mm~8mm is floor
Reinforcing bar 2, and guarantee that the spacing of adjacent floor deck reinforcing bar 2 in 9 range of hole of elevator is 200mm~250mm, it can both reduce steel
Muscle usage amount, and meet simultaneously to vertical height significant interval, block, prevent and stop falling for personnel.
The above-mentioned protection for elevator can be completed in the construction process without additional installation protective device, subsequent
Without dismounting, specific form of construction work is, when concrete floor slab placement is laid with reinforcing bar, the lower layer of two layers of floor bar 2 in floor to be prolonged
It stretches and is passed through from the hole of elevator 9, form reinforcing bar protective layer in hole 9, thus the lateral steel in 9 range of the hole of elevator
Muscle 5 and longitudinal reinforcement 6 are staggered to form netted safeguard structure, and floor bar 2 does not have one, interval just to have one to pass through elevator
Hole 9.This method is simple and easy, low in cost, safe and reliable, while improving the convenience of construction of lift well, improves work
Make efficiency, can effectively solve in Construction of High-rise all the time, the high problem of elevator accident, the construction method by
It is applied in construction, effect is obvious, has prevented similar safety accident, construction speed quickening, remarkable in economical benefits can be in Construction of High-rise
Middle popularization and use.
Example of the present invention is only that preferred embodiments of the present invention will be described, not to present inventive concept and
Range is defined, and under the premise of not departing from design philosophy of the present invention, this field engineers and technicians are to technology of the invention
The various changes and improvements that scheme is made should all fall into protection scope of the present invention.
Claims (10)
1. the floor (1) of floor bar (2) is distributed with including inside for a kind of construction elevator safeguard structure, feature exists
In: reinforcing bar protective layer is formed in the hole (9) that the floor bar (2) extends to elevator.
2. a kind of construction elevator safeguard structure according to claim 1, it is characterised in that: the reinforcing bar protective layer
It is formed by the hole (9) that more floor bars (2) side by side are horizontally through elevator.
3. a kind of construction elevator safeguard structure according to claim 1, it is characterised in that: the reinforcing bar protective layer
Hole (9) by more floor bars (2) side by side longitudinally through elevator is formed.
4. a kind of construction elevator safeguard structure according to claim 1, it is characterised in that: the reinforcing bar protective layer
The netted safeguard structure formed in a crisscross manner across the hole (9) of elevator by floor bar (2).
5. a kind of construction elevator safeguard structure according to claim 2, it is characterised in that: at the hole of elevator
(9) transverse steel in range side by side (5) passes through the hole (9) of elevator at interval of one.
6. a kind of construction elevator safeguard structure according to claim 3, it is characterised in that: at the hole of elevator
(9) longitudinal reinforcement in range side by side (6) passes through the hole (9) of elevator at interval of one.
7. a kind of construction elevator safeguard structure according to claim 4, it is characterised in that: at the hole of elevator
(9) transverse steel in range side by side (5) and longitudinal reinforcement (6) are spaced the hole (9) for passing through elevator.
8. a kind of construction elevator safeguard structure according to any one of claims 1-7, it is characterised in that: institute
The spacing for stating adjacent floor deck reinforcing bar (2) in hole (9) range of elevator is 200mm~250mm, the use of floor bar (2)
Diameter is the screw-thread steel of 6mm~8mm.
9. a kind of construction techniques, step includes: to extend floor bar (2) from electricity when concrete floor slab placement arranges reinforcing bar
The hole (9) of stair shaft passes through, and reinforcing bar protective layer is formed in hole (9).
10. a kind of construction techniques according to claim 9, it is characterised in that: floor bar (2) arrangement in floor
Two layers, wherein lower layer's floor bar (2) extends through the hole (9) of elevator；The lateral steel in hole (9) range of elevator
Muscle (5) and longitudinal reinforcement (6) are staggered to form netted safeguard structure, and floor bar (2) interval is across the hole (9) of elevator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910004642.1A CN109736581A (en) | 2019-01-03 | 2019-01-03 | A kind of construction elevator safeguard structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910004642.1A CN109736581A (en) | 2019-01-03 | 2019-01-03 | A kind of construction elevator safeguard structure and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155776A (en) * | 2020-01-21 | 2020-05-15 | 贵州建工安顺建筑工程有限公司 | Elevator well head protector for building engineering construction |
| CN113719146A (en) * | 2021-09-08 | 2021-11-30 | 中国十七冶集团有限公司 | Construction method of horizontal prefabricated protection tool for building opening |
| CN114482589A (en) * | 2022-02-11 | 2022-05-13 | 上海万科企业有限公司 | Elevator shaft protection construction method, device and system |
| CN117108087A (en) * | 2023-07-10 | 2023-11-24 | 中国十七冶集团有限公司 | Installation method of turnover elevator shaft opening safety protection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503910A (en) * | 2008-12-26 | 2009-08-12 | 中铁建工集团有限公司 | Security protection method and device for elevator hoistway in house building course |
| CN203514836U (en) * | 2013-09-16 | 2014-04-02 | 中建七局(上海)有限公司 | Safety protection structure for horizontal openings of elevator shaft and pipe shaft |
| CN107178204A (en) * | 2017-05-18 | 2017-09-19 | 歌山建设集团有限公司 | Elevator electric hydaulic construction platform device and the elevator shear wall construction method |
| CN206784975U (en) * | 2017-04-21 | 2017-12-22 | 云南建投第六建设有限公司 | A kind of elevator horizontal protective structure |
| CN108005397A (en) * | 2017-11-27 | 2018-05-08 | 中冶天工集团有限公司 | Armored concrete elevator shaft construction safety protecting method |
-
2019
- 2019-01-03 CN CN201910004642.1A patent/CN109736581A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503910A (en) * | 2008-12-26 | 2009-08-12 | 中铁建工集团有限公司 | Security protection method and device for elevator hoistway in house building course |
| CN203514836U (en) * | 2013-09-16 | 2014-04-02 | 中建七局(上海)有限公司 | Safety protection structure for horizontal openings of elevator shaft and pipe shaft |
| CN206784975U (en) * | 2017-04-21 | 2017-12-22 | 云南建投第六建设有限公司 | A kind of elevator horizontal protective structure |
| CN107178204A (en) * | 2017-05-18 | 2017-09-19 | 歌山建设集团有限公司 | Elevator electric hydaulic construction platform device and the elevator shear wall construction method |
| CN108005397A (en) * | 2017-11-27 | 2018-05-08 | 中冶天工集团有限公司 | Armored concrete elevator shaft construction safety protecting method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155776A (en) * | 2020-01-21 | 2020-05-15 | 贵州建工安顺建筑工程有限公司 | Elevator well head protector for building engineering construction |
| CN113719146A (en) * | 2021-09-08 | 2021-11-30 | 中国十七冶集团有限公司 | Construction method of horizontal prefabricated protection tool for building opening |
| CN114482589A (en) * | 2022-02-11 | 2022-05-13 | 上海万科企业有限公司 | Elevator shaft protection construction method, device and system |
| CN117108087A (en) * | 2023-07-10 | 2023-11-24 | 中国十七冶集团有限公司 | Installation method of turnover elevator shaft opening safety protection device |
| CN117108087B (en) * | 2023-07-10 | 2024-06-07 | 中国十七冶集团有限公司 | Installation method of turnover elevator shaft opening safety protection device |
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Application publication date: 20190510 |