CN105735663A - Prefabricated assembled building skirt type protecting net and mounting method - Google Patents

Prefabricated assembled building skirt type protecting net and mounting method Download PDF

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Publication number
CN105735663A
CN105735663A CN201610226775.XA CN201610226775A CN105735663A CN 105735663 A CN105735663 A CN 105735663A CN 201610226775 A CN201610226775 A CN 201610226775A CN 105735663 A CN105735663 A CN 105735663A
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CN
China
Prior art keywords
prefabrication
dictyosome
skirt
protection network
type protection
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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.)
Granted
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CN201610226775.XA
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Chinese (zh)
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CN105735663B (en
Inventor
龙莉波
马跃强
赵波
王恒
戚健文
丁义平
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Shanghai Construction No 2 Group Co Ltd
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Shanghai Construction No 2 Group Co Ltd
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Priority to CN201610226775.XA priority Critical patent/CN105735663B/en
Publication of CN105735663A publication Critical patent/CN105735663A/en
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Publication of CN105735663B publication Critical patent/CN105735663B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32Safety or protective measures for persons during the construction of buildings
    • E04G21/3204Safety or protective measures for persons during the construction of buildings against falling down
    • E04G21/3219Means supported by the building wall, e.g. security consoles
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32Safety or protective measures for persons during the construction of buildings
    • E04G21/3261Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3266Safety nets

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Revetment (AREA)

Abstract

The invention discloses a prefabricated assembled building skirt type protecting net and a mounting method, relates to the technical field of building construction, and aims to solve the problems that a conventional protecting casting net is complex in mounting, high in material consumption and high in cost. The prefabricated assembled building skirt type protecting net comprises a net body and corner connecting devices, wherein the net body is sealed around and is vertically opened; the bottom end of the net body is arranged on an outer prefabricated assembled building wall; the net body is kept a certain distance away from the outer prefabricated assembled building wall through the corner connecting devices; the net body can climb upwards along the outer prefabricated assembled building wall under the action of an external force; the net body to be lifted in a folded state is bound on the outer prefabricated assembled building wall; after the net body is completely unfolded, the whole prefabricated assembled building can be wrapped. The mounting method comprises the following steps: firstly, determining the size, fixing the bottom end of the net body on an assembled prefabricated assembled building wall body and encircling around so as to ensure that the assembled prefabricated assembled building wall body is completely wrapped by the net body; finally gradually lifting up the net body along with rising of the prefabricated assembled building.

Description

A kind of prefabrication skirt-type protection network and installation method
Technical field
The present invention relates to technical field of building construction, particularly to a kind of prefabrication skirt-type protection network and installation method.
Background technology
Prefabrication can save a large amount of raw material in building course, it is achieved building industrialization and industrialization produce.In the work progress of prefabrication, the big characteristic of one is to be capable of job site to exempt from the operating type of scaffold.Although assembled architecture need not be set up scaffold separately in construction and protect, but along with the lasting construction of building, being highly continuously increased, the risk of falling object from high altitude is also being continuously increased.In order to prevent the falling object from high altitude in work progress, and some building wastes fall and affect the personal security of job site, it is necessary to take some corresponding safety measures to prevent the potential safety hazard of falling object from high altitude.Many employings is the throwing net of encorbelmenting arranging one outer instigating type in the position of three to four layers of building at present, along with being continuously increased of building height, increases to join further according to certain vertical interval and throws net accordingly.These are thrown net and can reach to protect purpose accordingly, the falling object from high altitude of the effective isolation potential safety hazard to ground construction personnel.But this throwing net installation procedure is numerous and diverse, need a large amount of personnel to operate guarantee installation quality when mounted, simultaneously in order to fix throwing net, it is necessary to fixing a large amount of steel pipes and fastener simultaneously, waste material, increase construction cost and duration.
Therefore, how to provide a kind of easy accessibility for prefabrication construction, the prefabrication skirt-type protection network of full parcel protection and installation method, be that those skilled in the art need badly and solve the technical problem that.
Summary of the invention
In constructing for existing prefabrication, net installation procedure complexity is thrown in protection, the auxiliary accessories such as substantial amounts of artificial and a large amount of steel pipe, fastener are needed during installation, the problem that cost is high, it is an object of the invention to provide that a kind of auxiliary accessories consumption is few and easy accessibility, the prefabrication skirt-type protection network being capable of all standing protection and installation method.
The technical solution adopted for the present invention to solve the technical problems is:
nullA kind of prefabrication skirt-type protection network,Including dictyosome and turning connecting device,Described dictyosome is the folding structure of all round closure and vertical openings,The bottom of described dictyosome is fixedly installed on the outer surface at prefabrication exterior wall distance certain altitude place, ground,Described dictyosome is connected by described turning connecting device is fixing with the corner of prefabrication exterior wall,Dictyosome is made to keep a determining deviation with prefabrication exterior wall outer surface when launching around the setting of prefabrication exterior wall outer surface surrounding and dictyosome,The top of described dictyosome can drive whole dictyosome upwards to climb a preset distance along the outer face of wall of described prefabrication under external force,It is that the interim colligation of dictyosome to be hoisted of folded state is on described prefabrication exterior wall near bottom,Can fully wrapped around firmly whole described prefabrication when described dictyosome all launches.
Further, described turning connecting device is channel-section steel or steel pipe.
Further, described certain altitude place is the intersection of prefabrication ground floor and the second layer.
Further, a described determining deviation is 1~5cm.
Further, described preset distance is equal with the unit floor height of prefabrication.
Further, described dictyosome is stretchy nylon net.
The invention also discloses the installation method of a kind of prefabrication skirt-type protection network, comprise the steps:
One, according to calculating the length and width determining prefabrication skirt-type protection network dictyosome, and transport standby to job site;
Two, treat that prefabrication is constructed to certain altitude place, the bottom of prefabrication skirt-type protection network dictyosome is fixedly installed on the outer surface of the corresponding floor height of prefabrication exterior wall, and by the interim colligation of dictyosome to be hoisted in folded state on prefabrication exterior wall;
Three, construction prefabrication one preset distance is continued up, and prefabrication skirt-type protection network is overall increased to identical height, workmen stands on the indoor of prefabrication, it is connected fixing to dictyosome and the turning connecting device on this floor prefabrication exterior wall so that the dictyosome between corresponding floor place to bottom keeps deployed condition;
Four, step 3 is repeated, until prefabrication skirt-type protection network dictyosome is fully deployed and wraps whole prefabrication.
Further, the length of described dictyosome is be more than or equal to the height of prefabrication, the big 2~10cm of width of the width ratio prefabrication of described dictyosome.
Further, described step 3 include workmen stand on prefabrication indoor by drafting tool promote prefabrication skirt-type protection network dictyosome.
Further, described drafting tool is electric block or hooks tool or rope.
Useful the having the technical effect that of the present invention
nullOne、The prefabrication skirt-type protection network of the present invention,Including dictyosome and turning connecting device,Dictyosome is the folding structure of all round closure and vertical openings,The bottom of dictyosome is fixedly installed on the outer surface at prefabrication exterior wall distance certain altitude place, ground,Dictyosome is connected by turning connecting device is fixing with the corner of prefabrication exterior wall,Dictyosome is made to keep a determining deviation with prefabrication exterior wall A outer surface when launching around the setting of prefabrication exterior wall outer surface surrounding and dictyosome,The top of dictyosome can drive whole dictyosome upwards to climb a preset distance along the outer face of wall of prefabrication under external force,It is that the interim colligation of dictyosome to be hoisted of folded state is on prefabrication exterior wall near bottom,Can fully wrapped around firmly whole prefabrication when dictyosome all launches.This prefabrication skirt-type protection network all standing formula wraps the prefabrication in whole assembling construction; directly weight falling risk is completely cut off from source; really stop the risk of falling object from high altitude, it is to avoid protection dead angle occurs, protects the safety of ground construction personnel.And; this prefabrication skirt-type protection network dynamically can promote along with the lifting of prefabrication height; easy and simple to handle; Real-time and Dynamic is protected; avoid the occurrence of guard interval period, reduce weight in whole prefabrication work progress and fall and affect the risk of ground construction personal security.The simplicity additionally, this prefabrication skirt-type protection network is drawn materials, easy accessibility, compared with conventional throwing net, save the auxiliary accessories such as substantial amounts of steel pipe, save material and duration, there is good economic worth.
Two, the installation method of prefabrication skirt-type protection network of the present invention, first determines the size of dictyosome according to the height of prefabrication and transports standby to job site;Then dictyosome bottom is fixed on prefabrication body of wall distance a distance, ground and encloses and be arranged at its surrounding, it is ensured that the prefabrication body of wall assembled by dictyosome fully wrapped around live;Secondly dictyosome is stepped up along with the rising of prefabrication, until prefabrication skirt-type protection network dictyosome is fully deployed and wraps whole prefabrication.The falling risk of the falling object from high altitude produced in assembling work progress can directly be completely cut off by the prefabrication skirt-type protection network installed by this installation method from source, it is prevented that it falls, and ensures the safety of ground construction personnel.This prefabrication skirt-type protection network dismounting simplicity, auxiliary accessories consumption is few, the stand installation that can complete dictyosome in prefabrication indoor of workmen saves material and duration with lifting, efficiently solve protection in the construction of existing prefabrication and throw net installation procedure complexity, the auxiliary accessories such as substantial amounts of artificial and a large amount of steel pipe, fastener, the problem that cost is high is needed during installation.
Accompanying drawing explanation
Fig. 1 is the elevation of prefabrication skirt-type protection network in one embodiment of the invention;
Fig. 2 is the plane graph of prefabrication skirt-type protection network in one embodiment of the invention.
In figure:
A-prefabrication exterior wall;10-dictyosome;20-dictyosome to be hoisted;30-turning connecting device.
Detailed description of the invention
A kind of prefabrication skirt-type protection network and the installation method that the present invention are proposed below in conjunction with the drawings and specific embodiments are described in further detail.According to description below, advantages and features of the invention will be apparent from.Hereinafter by cited embodiment in conjunction with accompanying drawing, technology contents and the feature of the present invention will be described in detail.Need to additionally illustrating, accompanying drawing all adopts the form simplified very much and all uses non-ratio accurately, only in order to convenience, the purpose aiding in illustrating the embodiment of the present invention lucidly.For sake of convenience, described below " on ", the upper and lower direction of D score and accompanying drawing consistent, but this can not become the restriction of technical solution of the present invention.
Embodiment one
Prefabrication skirt-type protection network and the installation method of the present invention is described in detail with reference to Fig. 1 and Fig. 2.
nullA kind of prefabrication skirt-type protection network,Including dictyosome 10 and turning connecting device 30,Dictyosome 10 is the folding structure of all round closure and vertical openings,The bottom of dictyosome 10 is fixedly installed on the outer surface at prefabrication exterior wall A distance certain altitude place, ground,Dictyosome 10 is connected by turning connecting device 30 is fixing with the corner of prefabrication exterior wall A,Dictyosome 10 is made to keep a determining deviation with prefabrication exterior wall A outer surface when launching around the setting of prefabrication exterior wall A outer surface surrounding and dictyosome 10,The top of dictyosome 10 can drive whole dictyosome 10 upwards to climb a preset distance along the outer surface of prefabrication exterior wall A under external force,It is that the interim colligation of dictyosome to be hoisted 20 of folded state is on prefabrication exterior wall A near bottom,Can fully wrapped around firmly whole prefabrication when dictyosome 10 all launches.This prefabrication skirt-type protection network all standing formula wraps the prefabrication in whole assembling construction; directly weight falling risk is completely cut off from source; really stop the risk of falling object from high altitude, it is to avoid protection dead angle occurs, protects the safety of ground construction personnel.And; this prefabrication skirt-type protection network dynamically can promote along with the lifting of prefabrication height; easy and simple to handle; Real-time and Dynamic is protected; avoid the occurrence of guard interval period, reduce weight in whole prefabrication work progress and fall and affect the risk of ground construction personal security.The simplicity additionally, this prefabrication skirt-type protection network is drawn materials, easy accessibility, compared with conventional throwing net, save the auxiliary accessories such as substantial amounts of steel pipe, save material and duration, there is good economic worth.
It is preferred that in order to draw materials conveniently, it is convenient to install, it is ensured that prefabrication skirt-type protection network dictyosome 10 open completely and and prefabrication exterior wall A outer surface between keep a determining deviation, turning connecting device 30 is channel-section steel or steel pipe.Turning connecting device 30 is a rod-like structure, and one end of turning connecting device 30 is fixing with the built-in fitting buried underground in prefabrication exterior wall A to be connected, and is arranged on prefabrication exterior wall A thus encorbelmenting.The other end of turning connecting device 30 is connected with prefabrication skirt-type protection network dictyosome 10, thus ensureing that prefabrication skirt-type protection network dictyosome 10 is in deployed condition.
It is preferred that according to job specfication requirement, prefabrication assembling construction needs to certain altitude place to arrange the protection network preventing weight from falling.In the present embodiment, the bottom of prefabrication skirt-type protection network dictyosome 10 is fixedly installed on the intersection of prefabrication ground floor and the second layer.
Preferably, while ensureing that prefabrication skirt-type protection network dictyosome 10 is in deployed condition, do not affect again prefabrication construction, ensureing enough construction spaces, the determining deviation between prefabrication skirt-type protection network dictyosome 10 and prefabrication exterior wall A is 1~5cm.
Preferably, in order to facilitate the lifting of prefabrication skirt-type protection network dictyosome 10, and avoid as far as possible producing protection dead angle, prefabrication is often constructed one layer and is namely promoted one layer of prefabrication skirt-type protection network dictyosome 10, it is ensured that prefabrication skirt-type protection network dictyosome 10 is contour with prefabrication.It is to say, each hoisting depth of prefabrication skirt-type protection network dictyosome 10 is equal with the unit floor height of prefabrication.
It is preferred that dictyosome is stretchy nylon net, drawing materials conveniently, tensile wear-resistant, economical and practical, protection effect is good.
Please continue to refer to Fig. 1 and Fig. 2, the embodiment of the invention also discloses the installation method of prefabrication skirt-type protection network.The installation method of prefabrication skirt-type protection network, comprises the steps:
Step one, determine the length and width of prefabrication skirt-type protection network dictyosome 10 according to calculating, and transport standby to job site.The length of this dictyosome 10 is be more than or equal to the height of prefabrication, the big 2~10cm of width of the width ratio prefabrication of dictyosome 10.
Step 2, treat prefabrication construct to certain altitude place, the bottom of prefabrication skirt-type protection network dictyosome 10 is fixedly installed on the outer surface of the prefabrication corresponding floor height of exterior wall A, and by the interim colligation of dictyosome to be hoisted 20 in folded state on prefabrication exterior wall A, ensure that prefabrication skirt-type protection network dictyosome 10 realizes real-time lifting, and do not affect the construction of prefabrication agent structure, it is ensured that construction space.Step 3, continue up construction prefabrication one preset distance, and prefabrication skirt-type protection network dictyosome 10 is overall increased to identical height, workmen stands on the indoor of prefabrication, it is connected fixing with the turning connecting device 30 on this floor prefabrication exterior wall A for dictyosome 10 so that the dictyosome 10 between corresponding floor place to bottom keeps deployed condition.Step 4, repetition step 3; until prefabrication skirt-type protection network is fully deployed and wraps whole prefabrication; thus realizing all standing and the dynamic protection that prefabrication is executed, the risk of falling object from high altitude is completely cut off from source, the safety of protecting field surface construction personnel.
Stand on prefabrication indoor or hook tool or rope etc. it is preferred that step 3 includes workmen and promote the dictyosome of prefabrication skirt-type protection network as drafting tool by electric block
10.Workmen can complete the lifting of the dictyosome 10 of prefabrication skirt-type protection network in prefabrication indoor, arrange compared with throwing net with conventional encorbelmenting outside prefabrication exterior wall A, it can be avoided that throwing net is set up in outdoor, reduce construction risk, and promote dictyosome 10 and set up throwing net than layering and save material and duration.
nullIn sum,The prefabrication skirt-type protection network of the present invention,Including dictyosome and turning connecting device,Dictyosome is the folding structure of all round closure and vertical openings,The bottom of dictyosome is fixedly installed on the outer surface at prefabrication exterior wall distance certain altitude place, ground,Dictyosome is connected by turning connecting device is fixing with the corner of prefabrication exterior wall,Dictyosome is made to keep a determining deviation with prefabrication exterior wall A outer surface when launching around the setting of prefabrication exterior wall outer surface surrounding and dictyosome,The top of dictyosome can drive whole dictyosome upwards to climb a preset distance along the outer face of wall of prefabrication under external force,It is that the interim colligation of dictyosome to be hoisted of folded state is on prefabrication exterior wall near bottom,Can fully wrapped around firmly whole prefabrication when dictyosome all launches.This prefabrication skirt-type protection network all standing formula wraps the prefabrication in whole assembling construction; directly weight falling risk is completely cut off from source; really stop the risk of falling object from high altitude, it is to avoid protection dead angle occurs, protects the safety of ground construction personnel.And; this prefabrication skirt-type protection network dynamically can promote along with the lifting of prefabrication height; easy and simple to handle; Real-time and Dynamic is protected; avoid the occurrence of guard interval period, reduce weight in whole prefabrication work progress and fall and affect the risk of ground construction personal security.The simplicity additionally, this prefabrication skirt-type protection network is drawn materials, easy accessibility, compared with conventional throwing net, save the auxiliary accessories such as substantial amounts of steel pipe, save material and duration, there is good economic worth.This prefabrication skirt-type protection network dynamically promotes according to the rising of prefabrication when using, and not only saves labour force, and auxiliary accessories consumption is few and easy accessibility, is capable of all standing protection to prefabrication construction.The installation method dismounting simplicity of this prefabrication skirt-type protection network, auxiliary accessories consumption is few, the stand installation that can complete dictyosome in prefabrication indoor of workmen saves material and duration with lifting, efficiently solve protection in the construction of existing prefabrication and throw net installation procedure complexity, the auxiliary accessories such as substantial amounts of artificial and a large amount of steel pipe, fastener, the problem that cost is high is needed during installation.
Foregoing description is only the description to present pre-ferred embodiments, not any restriction to the scope of the invention, any change that the those of ordinary skill in field of the present invention does according to the disclosure above content, modification, belongs to the protection domain of claims.

Claims (10)

  1. null1. a prefabrication skirt-type protection network,It is characterized in that,Including dictyosome and turning connecting device,Described dictyosome is the folding structure of all round closure and vertical openings,The bottom of described dictyosome is fixedly installed on the outer surface at prefabrication exterior wall distance certain altitude place, ground,Described dictyosome is connected by described turning connecting device is fixing with the corner of prefabrication exterior wall,Dictyosome is made to keep a determining deviation with prefabrication exterior wall outer surface when launching around the setting of prefabrication exterior wall outer surface surrounding and dictyosome,The top of described dictyosome can drive whole dictyosome upwards to climb a preset distance along the outer face of wall of described prefabrication under external force,It is that the interim colligation of dictyosome to be hoisted of folded state is on described prefabrication exterior wall near bottom,Can fully wrapped around firmly whole described prefabrication when described dictyosome all launches.
  2. 2. prefabrication skirt-type protection network according to claim 1, it is characterised in that described turning connecting device is channel-section steel or steel pipe.
  3. 3. prefabrication skirt-type protection network according to claim 1, it is characterised in that described certain altitude place is the intersection of prefabrication ground floor and the second layer.
  4. 4. prefabrication skirt-type protection network according to claim 1, it is characterised in that a described determining deviation is 1~5cm.
  5. 5. prefabrication skirt-type protection network according to claim 1, it is characterised in that described preset distance is equal with the unit floor height of prefabrication.
  6. 6. prefabrication skirt-type protection network according to claim 1, it is characterised in that described dictyosome is stretchy nylon net.
  7. 7. the installation method of the prefabrication skirt-type protection network according to any one of claim 1 to 7, it is characterised in that comprise the steps:
    One, according to calculating the length and width determining prefabrication skirt-type protection network dictyosome, and transport standby to job site;
    Two, treat that prefabrication is constructed to certain altitude place, the bottom of prefabrication skirt-type protection network dictyosome is fixedly installed on the outer surface of the corresponding floor height of prefabrication exterior wall, and by the interim colligation of dictyosome to be hoisted in folded state on prefabrication exterior wall;
    Three, construction prefabrication one preset distance is continued up, and prefabrication skirt-type protection network is overall increased to identical height, workmen stands on the indoor of prefabrication, it is connected fixing to dictyosome and the turning connecting device on this floor prefabrication exterior wall so that the dictyosome between corresponding floor place to bottom keeps deployed condition;
    Four, step 3 is repeated, until prefabrication skirt-type protection network dictyosome is fully deployed and wraps whole prefabrication.
  8. 8. installation method according to claim 7, it is characterised in that the length of described dictyosome is be more than or equal to the height of prefabrication, the big 2~10cm of width of the width ratio prefabrication of described dictyosome.
  9. 9. installation method according to claim 7, it is characterised in that described step 3 includes workmen and stands on the prefabrication indoor dictyosome by drafting tool lifting prefabrication skirt-type protection network.
  10. 10. installation method according to claim 9, it is characterised in that described drafting tool is electric block or hooks tool or rope.
CN201610226775.XA 2016-04-13 2016-04-13 A kind of prefabrication skirt-type protection network and installation method Active CN105735663B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109138469A (en) * 2018-08-24 2019-01-04 绿山高科建设科技有限公司 A kind of prefabricated assembled PC building skirt-type protective net
CN114458034A (en) * 2021-12-20 2022-05-10 上海建工一建集团有限公司 Foldable lifting shielding wall and construction method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10317679A (en) * 1997-05-23 1998-12-02 Taisei Corp Peripheral curing panel
CN201826542U (en) * 2010-06-09 2011-05-11 北京星河人施工技术有限责任公司 Self-climbing protective screening
CN202467231U (en) * 2012-02-27 2012-10-03 成都嘉泽正达金属制造有限公司 Closed type vertical-surface protection system special for hanging basket construction
JP2013057210A (en) * 2011-09-09 2013-03-28 Hiroaki Yamashita Handrail precedent type scaffold curing system, handrail precedent type scaffold using the same, and handrail precedent type scaffold curing method
CN205558328U (en) * 2016-04-13 2016-09-07 上海建工二建集团有限公司 Prefabricated assembly type structure skirt protection network

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10317679A (en) * 1997-05-23 1998-12-02 Taisei Corp Peripheral curing panel
CN201826542U (en) * 2010-06-09 2011-05-11 北京星河人施工技术有限责任公司 Self-climbing protective screening
JP2013057210A (en) * 2011-09-09 2013-03-28 Hiroaki Yamashita Handrail precedent type scaffold curing system, handrail precedent type scaffold using the same, and handrail precedent type scaffold curing method
CN202467231U (en) * 2012-02-27 2012-10-03 成都嘉泽正达金属制造有限公司 Closed type vertical-surface protection system special for hanging basket construction
CN205558328U (en) * 2016-04-13 2016-09-07 上海建工二建集团有限公司 Prefabricated assembly type structure skirt protection network

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109138469A (en) * 2018-08-24 2019-01-04 绿山高科建设科技有限公司 A kind of prefabricated assembled PC building skirt-type protective net
CN109138469B (en) * 2018-08-24 2020-10-27 广东博智林机器人有限公司 Prefabricated assembled PC building skirt protection network
CN114458034A (en) * 2021-12-20 2022-05-10 上海建工一建集团有限公司 Foldable lifting shielding wall and construction method thereof

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