CN108756197A - A kind of construction method of hoistway operation platform - Google Patents
A kind of construction method of hoistway operation platform Download PDFInfo
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- CN108756197A CN108756197A CN201810667938.7A CN201810667938A CN108756197A CN 108756197 A CN108756197 A CN 108756197A CN 201810667938 A CN201810667938 A CN 201810667938A CN 108756197 A CN108756197 A CN 108756197A
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- operation platform
- top frame
- frame
- platform
- elevator
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- 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/246—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a kind of construction methods of hoistway operation platform, include the following steps：A, operating platform, including top frame, support frame and bracing element are obtained, there is vertically disposed bracket on support frame, the lifting lug for lifting is additionally provided in top frame；It is hinged with operation platform above top frame, height adjustment mechanism is provided between operation platform and top frame；B, operating platform is hoisted in completed elevator by tower crane, its bracket is made to be located on the floor on elevator doorway, support whole operation platform, adjust height adjustment mechanism, make operation platform to horizontality, complete the installation of operating platform, construction personnel constructs on operation platform；C, after the completion of to be onstructed, operating platform is promoted to a upper floor；D, repeat the above steps B and C, until completing the operation construction in elevator.The present invention has the advantages that capable of reducing difficulty of construction, improving construction environment, be conducive to improve construction stability and safety.
Description
Technical field
The present invention relates to technical field of building construction, in particular to a kind of construction method of hoistway operation platform.
Background technology
In modern architecture industry, skyscraper is more and more, and elevator has become the indispensable part of skyscraper.
Elevator is reinforced concrete shear wall structure, and basic plane size is small, height is high, and shear wall arrangement of reinforcement is close, is absolute construction.Electricity
Stair shaft position is a channel up and down, and elevator position belongs to working at height, construction of lift well peace in the construction process
Full operation construction of prevention work is to can not be ignored link, there is risk factor to a certain degree.When elevator shaft is constructed, need in elevator
Operating platform is set in road, rides upon the operating platform in hoistway and is often easiest to out safety accident, traditional operating platform one
As be divided into two ways：When floor is less, steel pipe scaffold can be set up from elevator bottom and increased with the raising of construction surface, when
When up successively setting up operating platform from elevator bottom using steel pipe scaffold, the limited height of scaffold building, dismounting fiber crops
It is tired, it is time-consuming.When floor is higher, using customized type operating platform, the bracing element being obliquely installed, the lower end branch of bracing element are utilized
On next layer of elevator door ground as supporting point, the other end is supported on the shear wall of elevator, utilizes operating platform itself for support
Gravity, form rock-steady structure, safety is preferable.
It constructs on the operational platform for convenience of construction personnel, needs to ensure that the upper surface of operating platform is horizontal, and show
Customized type operating platform be to ensure enough structural strength, generally use integral structure can not be according to the flat of elevator
Face size carries out adaptability adjusting.In error range, no matter elevator planar dimension it is excessive or too small, can change tiltedly
The angle of inclination of support member, and then the angle of inclination of the upper surface of operating platform is influenced, influence construction personnel stablizes construction.
Invention content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to：How providing one kind can drop
Low difficulty of construction improves construction environment, is conducive to the construction party for improving construction stability and the hoistway operation platform of safety
Method.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions：
A kind of construction method of hoistway operation platform, which is characterized in that include the following steps：
A, the operating platform such as lower structure, including laterally setting and whole rectangular top frame, the side of the top frame are first obtained
It is installed with vertically arranged support frame, bracing element is installed between the top frame and support frame, the bracing element
Lower end is connected to the lower end of the support frame, and upper end is connected to the side that the top frame deviates from the support frame；The support frame
Have to be additionally provided with along the vertically disposed bracket in direction for deviating from the bracing element, the top frame close to the position of bottom and be used for
The lifting lug of lifting；Angle between the top frame and the support frame is more than 90 °, makes the upper end of the bracket and the bracing element
When being supported in elevator, height of the top frame close to support frame side is consistently lower than the height of the other side；The top frame back of the body
Be hinged with whole rectangular operation platform above side from the support frame, position of the operation platform far from hinged shaft with
It is provided with height adjustment mechanism between the top frame；
B, by the steel wire penetrating lifting lug on tower crane, operating platform is hoisted to above elevator, is vertically at the uniform velocity fallen to
In the elevator of completion, its bracket is made to be located on the floor that elevator doorway is completed, support as supporting point entire
Operating platform releases the steel wire rope of tower crane after safety inspection；Height adjustment mechanism is adjusted, makes operation platform to horizontality,
The installation of operating platform is completed, construction personnel carries out operation construction on stable operation platform；
C, after the completion of to be onstructed, i.e., again with the steel wire rope on tower crane by lifting lug after the dismounting of elevator inner side template, operation is flat
Platform is promoted to a upper floor；
D, repeat the above steps B and C, until completing the operation construction in elevator.
Further, in the step A, the top frame has what is be vertically arranged outward to stretch close to the side of the support frame
The telescopic end of contracting jack unit, the flexible jack unit has vertically arranged backing plate；In the step B, safety is being carried out
Before inspection, the telescopic end of flexible jack unit is first stretched out into top pressure on the shear wall of elevator.
Further, the flexible jack unit is the hydraulic cylinder for being connected with hydraulic system, the plate thickness direction
Side be hinged on by flexural pivot on the piston rod of the hydraulic cylinder.
Further, the flexible jack unit is mounted on the bottom of the top frame, and along perpendicular to the support frame
Direction is arranged.
Further, the height adjustment mechanism includes the Linear scaling mechanism being mounted in the top frame and entirety is in three
Angular wedge assemblies, the wedge assemblies are mounted on the telescopic end of Linear scaling mechanism, and towards the construction
The hinged side of platform and top frame, when the telescopic end of the Linear scaling mechanism being made to stretch out, the wedge assemblies are towards the construction
The hinged Slideslip of platform and top frame, and the relatively described top frame of the operation platform is made to be rotated up.
Further, the Linear scaling mechanism includes driving motor and the output for being coaxially mounted to the driving motor
Lead screw on axis；There is the threaded hole to match with the lead screw, the lead screw to pass through and coordinate in institute on the wedge assemblies
It states on the threaded hole of wedge assemblies, when the driving motor being made to rotate, the wedge assemblies is driven to be moved along lead screw.
Further, the wedge assemblies include the lower wedge block being slideably attached in the top frame, and are slideably pasted
Upper voussoir on the operation platform, the upper voussoir is hinged on by hinged shaft on the lower wedge block, and the hinged shaft is parallel
In the hinged side of the operation platform and top frame；The threaded hole is arranged on the lower wedge block.
Further, the wedge assemblies further include the following table mounted on the upper surface and the operation platform of the top frame
Guide rail on face, the guide rail are arranged along the length direction of the lead screw；Have on the upper voussoir and lower wedge block and is led with described
The guide groove that rail matches, the upper voussoir are slidably fit into the guide rail on the operation platform by guide groove
On, the lower wedge block is slidably fit by guide groove on the guide rail in the top frame.
Further, the angle between the top frame and the support frame is 95 ° ~ 115 °.
Further, the support frame includes two vertically arranged supporting rods, and is connected laterally at two branch
Cross bar between strut；The width of two supporting rods is less than the width of elevator door, each vertical on the supporting rod
Installation there are one the bracket, the bracket to the distance of the supporting rod bottom and the length of the bracket is 300~
400mm；The bracing element includes two hounds being separately mounted on two supporting rods, and one end of the hound is solid
Surely it is connected to the lower end of the supporting rod, the other end is fixedly connected on the side that the top frame deviates from the support frame；It is described to apply
Work platform includes the rectangular frame being welded by four crossbeams and four longerons, and the steel being laid on the rectangular frame
Plate；The side of the rectangular frame is hinged in the top frame.
In conclusion the present invention, which has, can reduce difficulty of construction, improve construction environment, is conducive to improve construction stability
And the advantages that safety.
Description of the drawings
Fig. 1 is structural schematic diagram of the hoistway operation stage+module in elevator.
Fig. 2 is the structural schematic diagram of existing hoistway operation platform.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail.
When specific implementation：As shown in Figure 1, a kind of hoistway operation platform is aided with existing hoistway operation for ease of understanding
The structure of platform, as shown in Fig. 2, including laterally setting and whole rectangular top frame 1, the side of the top frame 1 is fixedly mounted
There is vertically arranged support frame 2, bracing element 3, the lower end of the bracing element 3 are installed between the top frame 1 and support frame 2
It is connected to the lower end of the support frame 2, upper end is connected to the side that the top frame 1 deviates from the support frame 2；The support frame 2
Have close to the position of bottom and is additionally provided with along the vertically disposed bracket 4 in direction for deviating from the bracing element 3, the top frame 1
Lifting lug for lifting；Angle between the top frame 1 and the support frame 2 is more than 90 °, makes the bracket 4 and the diagonal brace
When the upper end of part 3 is supported in elevator, height of the top frame 1 close to support frame side is consistently lower than the height of the other side；
The top frame 1 is hinged with whole rectangular operation platform 5 above the side of the support frame 2, and the operation platform 5 is remote
From being provided with height adjustment mechanism 6 between the position of hinged shaft and the top frame 1.
Using the above structure, in use, by the corbels support on support frame on the flooring of next layer of elevator door, make
The junction of bracing element and top frame is resisted against on the shear wall in elevator, by the weight of operating platform itself, is stuck in elevator
In well.Height due to top frame close to support frame side is consistently lower than the height of the other side, and operation platform be hinged on top frame compared with
High side, in this manner it is possible to using the height adjustment mechanism between operation platform and top frame, so as to by operation platform tune
It is whole to arrive horizontality, more stable construction plane is provided for construction personnel, is conducive to worker's construction and improves working security.
In addition, since the angle between top frame and support frame is more than 90 °, and height of the top frame close to support frame side is consistently lower than another
The height of side so that top frame is absolutely less than the planar dimension of elevator in the projection size of support frame short transverse.In this way, right
When operating platform is lifted by crane, there is enough gaps between operating platform and elevator, electricity can be scraped to avoid operating platform
The inner wall of stair shaft.
When implementation, the top frame 1 has the vertical flexible jack unit 7 being arranged outward close to the side of the support frame,
The telescopic end of the flexible jack unit 7 has vertically arranged backing plate 8.
In use, backing plate can be made to be connected to the terraced door of elevator the outside stretching of the telescopic end of flexible jack unit
On side, the bracket of operating platform and support element upper end is made reliablely and stablely to be stuck in elevator, is conducive to improve operating platform
Stability and safety in utilization.
When implementation, the flexible jack unit 7 is the hydraulic cylinder for being connected with hydraulic system, 8 thickness direction of the backing plate
Side be hinged on by flexural pivot on the piston rod of the hydraulic cylinder.
Larger pressure on top surface is capable of providing using hydraulic cylinder, it is ensured that operating platform is securely captured in elevator.
And backing plate is hinged on the piston rod of hydraulic cylinder using flexural pivot, it is ensured that when hydraulic cylinder squeezes, backing plate pastes always
On the inner wall of elevator, prevent elevator inner wall from being destroyed.
When implementation, the flexible jack unit 7 is mounted on the bottom of the top frame 1, and along perpendicular to the support frame 2
Direction is arranged.
In this way, the telescopic end of flexible jack unit stretches out top pressure when on the inner wall of elevator, stretch jack unit by
Along the reaction force of the effect of direction obliquely downward, in this manner it is ensured that operating platform is securely captured in elevator.
When implementation, the height adjustment mechanism 6 includes the Linear scaling mechanism 61 being mounted in the top frame 1 and entirety is in
The wedge assemblies 62 of triangle, the wedge assemblies 62 are mounted on the telescopic end of Linear scaling mechanism 61, and direction
The hinged side of the operation platform 5 and top frame 1, when the telescopic end of the Linear scaling mechanism 61 being made to stretch out, the wedge assemblies
62 towards the operation platform 5 and top frame 1 hinged Slideslip, and the top frame 1 relatively of the operation platform 5 is made to turn upwards
It is dynamic.
When being stuck in elevator due to operating platform, the angle of inclination of operation platform relative level is usually smaller, uses
Above structure squeezes the cotter mechanism between operation platform and top frame using Linear scaling mechanism, can be by Linear scaling mechanism
Larger stroke reduce and be converted into smaller Uplifting amount in wedge assemblies moving process, be easy to implement operation platform is lifted it is high
The accurate control of degree.
When implementation, the Linear scaling mechanism 61 includes driving motor and the output for being coaxially mounted to the driving motor
Lead screw on axis；There is the threaded hole to match with the lead screw, the lead screw to pass through and coordinate on the wedge assemblies 62
On the threaded hole of the wedge assemblies 62, when the driving motor being made to rotate, the wedge assemblies is driven to be moved along lead screw.
In above structure, using feed screw nut pair driving wedge assemblies move, due to feed screw nut pair have it is good from
Lock ability can be stopped the control to driving motor, applied using adjutant feed screw nut after operation platform is adjusted to horizontality
For work platform locking in horizontality, structure is more reliable and more stable, improves safety in utilization.
When implementation, the wedge assemblies 62 include the lower wedge block being slideably attached in the top frame 1, and are slideably pasted
Upper voussoir on the operation platform 5, the upper voussoir is hinged on by hinged shaft on the lower wedge block, and the hinged shaft is parallel
In the hinged side of the operation platform 5 and top frame 1；The threaded hole is arranged on the lower wedge block.
In this way, since upper voussoir and lower wedge block are hinged so that wedge assemblies are in moving process, the upper table of upper voussoir
Face can be bonded operation platform always, and the lower surface of lower wedge block can be bonded top frame always, so as to reduce cotter mechanism,
The abrasion of top frame and operation platform, is conducive to extend service life.
When implementation, the wedge assemblies 62 further include under the upper surface and the operation platform 5 of the top frame 1
Guide rail on surface, the guide rail are arranged along the length direction of the lead screw；On the upper voussoir and lower wedge block have with it is described
The guide groove that guide rail matches, the upper voussoir by guide groove be slidably fit on the operation platform 5 described in lead
On rail, the lower wedge block is slidably fit by guide groove on the guide rail in the top frame 1.
In this way, can both control the direction of upper voussoir and lower wedge block movement by guide rail, guide rail and guiding can also be utilized
Good lubrication between slot improves the smoothness of adjusting.
When implementation, the angle between the top frame 1 and the support frame 2 is 95 ° ~ 115 °.
When implementation, the support frame 2 includes two vertically arranged supporting rods, and is connected laterally at two supports
Cross bar between bar；The width of two supporting rods is less than the width of elevator door, vertically pacifies on each supporting rod
Dress there are one the bracket 4, the bracket 4 to the distance of the supporting rod bottom and the length of the bracket 4 is 300~
400mm；The bracing element 3 includes two hounds being separately mounted on two supporting rods, one end of the hound
It is fixedly connected on the lower end of the supporting rod, the other end is fixedly connected on the side that the top frame 1 deviates from the support frame 2；Institute
It includes the rectangular frame being welded by four crossbeams and four longerons to state operation platform 5, and is laid on the rectangular frame
On steel plate；The side of the rectangular frame is hinged in the top frame 1.
When Specific construction, by the steel wire penetrating lifting lug on tower crane, operating platform is hoisted to above elevator, vertically
It at the uniform velocity falls in completed elevator, so that its bracket is located on the floor that elevator doorway is completed, as supporting point
Whole operation platform is support, the telescopic end of flexible jack unit is stretched out into top pressure on the shear wall of elevator, on inspection
After safety, the steel wire rope of tower crane is released；Height adjustment mechanism is adjusted, makes operation platform to horizontality, completes operating platform
Installation, construction personnel carry out operation construction on stable operation platform；After the completion of to be onstructed, i.e., elevator inner side template is removed
Afterwards again with the steel wire rope on tower crane by lifting lug, operating platform is promoted to a upper floor；Repeating the above steps, it is next to carry out
Installment work is walked, until completing the operation construction in elevator.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation, all essences in the present invention with the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of construction method of hoistway operation platform, which is characterized in that include the following steps：
A, the operating platform such as lower structure, including laterally setting and whole rectangular top frame are first obtained（1）, the top frame（1）
Side be installed with vertically arranged support frame（2）, the top frame（1）With support frame（2）Between be installed with diagonal brace
Part（3）, the bracing element（3）Lower end be connected to the support frame（2）Lower end, upper end is connected to the top frame（1）Deviate from
The support frame（2）Side；The support frame（2）Position close to bottom has along away from the bracing element（3）Direction
Vertically disposed bracket（4）, the top frame（1）On be additionally provided with lifting lug for lifting；The top frame（1）With the support frame
（2）Between angle be more than 90 °, make the bracket（4）With the bracing element（3）Upper end when being supported in elevator, it is described
Top frame（1）Height close to support frame side is consistently lower than the height of the other side；The top frame（1）Away from the support frame（2）
Side above be hinged with whole rectangular operation platform（5）, the operation platform（5）Position far from hinged shaft and the top
Frame（1）Between be provided with height adjustment mechanism（6）；
B, by the steel wire penetrating lifting lug on tower crane, operating platform is hoisted to above elevator, is vertically at the uniform velocity fallen to
In the elevator of completion, its bracket is made to be located on the floor that elevator doorway is completed, support as supporting point entire
Operating platform releases the steel wire rope of tower crane after safety inspection；Height adjustment mechanism is adjusted, makes operation platform to horizontality,
The installation of operating platform is completed, construction personnel carries out operation construction on stable operation platform；
C, after the completion of to be onstructed, i.e., again with the steel wire rope on tower crane by lifting lug after the dismounting of elevator inner side template, operation is flat
Platform is promoted to a upper floor；
D, repeat the above steps B and C, until completing the operation construction in elevator.
2. the construction method of hoistway operation platform as described in claim 1, which is characterized in that in the step A, the top
Frame（1）There is the vertical flexible jack unit being arranged outward close to the side of the support frame（7）, the flexible jack unit
（7）Telescopic end have vertically arranged backing plate（8）；In the step B, before carrying out safety inspection, first flexible top pressure is filled
The telescopic end set stretches out top pressure on the shear wall of elevator.
3. the construction method of hoistway operation platform as claimed in claim 2, which is characterized in that the flexible jack unit
（7）To be connected with the hydraulic cylinder of hydraulic system, the backing plate（8）The side of thickness direction is hinged on the hydraulic pressure by flexural pivot
On the piston rod of oil cylinder.
4. the construction method of hoistway operation platform as claimed in claim 2, which is characterized in that the flexible jack unit
（7）Mounted on the top frame（1）Bottom, and along perpendicular to the support frame（2）Direction setting.
5. the construction method of hoistway operation platform as described in claim 1, which is characterized in that the height adjustment mechanism
（6）Including being mounted on the top frame（1）On Linear scaling mechanism（61）With whole wedge assemblies triangular in shape（62）, described
Wedge assemblies（62）Mounted on Linear scaling mechanism（61）Telescopic end, and towards the operation platform（5）The top and
Frame（1）Hinged side, make the Linear scaling mechanism（61）Telescopic end stretch out when, the wedge assemblies（62）It is applied described in
Work platform（5）And top frame（1）Hinged Slideslip, and make the operation platform（5）The relatively described top frame（1）It is rotated up.
6. the construction method of hoistway operation platform as claimed in claim 5, which is characterized in that the Linear scaling mechanism
（61）Including driving motor and the lead screw being coaxially mounted on the output shaft of the driving motor；The wedge assemblies（62）On
With the threaded hole to match with the lead screw, the lead screw passes through and coordinates in the wedge assemblies（62）Threaded hole on,
When the driving motor being made to rotate, the wedge assemblies is driven to be moved along lead screw.
7. the construction method of hoistway operation platform as claimed in claim 6, which is characterized in that the wedge assemblies（62）Packet
It includes and is slideably attached to the top frame（1）On lower wedge block, and be slideably attached to the operation platform（5）On upper voussoir,
The upper voussoir is hinged on by hinged shaft on the lower wedge block, and the hinged shaft is parallel to the operation platform（5）And top frame（1）
Hinged side；The threaded hole is arranged on the lower wedge block.
8. the construction method of hoistway operation platform as claimed in claim 7, which is characterized in that the wedge assemblies（62）Also
Including being mounted on the top frame（1）Upper surface and the operation platform（5）Lower surface on guide rail, the guide rail is described in
The length direction of lead screw is arranged；There is the guide groove to match with the guide rail, the upper wedge on the upper voussoir and lower wedge block
Block is slidably fit into the operation platform by guide groove（5）On the guide rail on, the lower wedge block passes through guide groove
It is slidably fit into the top frame（1）On the guide rail on.
9. the construction method of hoistway operation platform as described in claim 1, which is characterized in that the top frame（1）With it is described
Support frame（2）Between angle be 95 ° ~ 115 °.
10. the construction method of hoistway operation platform as described in claim 1, which is characterized in that the support frame（2）Including
Two vertically arranged supporting rods, and the cross bar that is connected laterally between two supporting rods；Two supporting rods
Width is less than the width of elevator door, and each there are one the brackets for right angle setting on the supporting rod（4）, the bracket
（4）Distance to the supporting rod bottom and the bracket（4）Length be 300~400mm；The bracing element（3）Including
One end of two hounds being separately mounted on two supporting rods, the hound is fixedly connected on the supporting rod
Lower end, the other end are fixedly connected on the top frame（1）Away from the support frame（2）Side；The operation platform（5）Including by
The rectangular frame that four crossbeams and four longerons are welded, and the steel plate that is laid on the rectangular frame；The rectangle
The side of frame is hinged on the top frame（1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667938.7A CN108756197B (en) | 2018-06-26 | 2018-06-26 | Construction method of elevator shaft operating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667938.7A CN108756197B (en) | 2018-06-26 | 2018-06-26 | Construction method of elevator shaft operating platform |
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| Publication Number | Publication Date |
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| CN108756197A true CN108756197A (en) | 2018-11-06 |
| CN108756197B CN108756197B (en) | 2020-04-10 |
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ID=63977238
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810667938.7A Active CN108756197B (en) | 2018-06-26 | 2018-06-26 | Construction method of elevator shaft operating platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110056176A (en) * | 2019-03-19 | 2019-07-26 | 浙江国丰集团有限公司 | A kind of elevator mobile platform and application method |
| CN114150857A (en) * | 2021-12-17 | 2022-03-08 | 中国建筑第六工程局有限公司 | Construction method of attached type automatic climbing elevator shaft safety protection platform |
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| CN205908003U (en) * | 2016-08-04 | 2017-01-25 | 中国建筑第七工程局有限公司 | Quick detach formula elevator shaft operating platform |
| CN107190964A (en) * | 2017-06-02 | 2017-09-22 | 北京首钢建设集团有限公司 | A kind of construction method of prefabricated hoistway operation platform |
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| GB971660A (en) * | 1961-07-24 | 1964-09-30 | Civil & Civic Pty Ltd | Improvements in or relating to hoisting equipment |
| US4450935A (en) * | 1982-12-27 | 1984-05-29 | Gustavus David C | Portable adjustable roof platform |
| CN101624871A (en) * | 2009-07-08 | 2010-01-13 | 山东新城建工股份有限公司 | Instrumental operation platform for shear wall formwork of elevator shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056176A (en) * | 2019-03-19 | 2019-07-26 | 浙江国丰集团有限公司 | A kind of elevator mobile platform and application method |
| CN114150857A (en) * | 2021-12-17 | 2022-03-08 | 中国建筑第六工程局有限公司 | Construction method of attached type automatic climbing elevator shaft safety protection platform |
| CN114150857B (en) * | 2021-12-17 | 2022-12-13 | 中国建筑第六工程局有限公司 | Construction method of attached type automatic climbing elevator shaft safety protection platform |
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| Publication number | Publication date |
|---|---|
| CN108756197B (en) | 2020-04-10 |
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Effective date of registration: 20200617 Address after: No.1 Tengfei Road, Junliang City, Dongli District, Tianjin Patentee after: MCC Construction Engineering Group (Tianjin) Construction Engineering Co., Ltd Address before: No. 1 West Road 400084 Dadukou District of Chongqing Patentee before: CHINA METALLURGICAL CONSTRUCTION ENGINEERING GROUP Co.,Ltd. |