CN109113320A - Construction operation method in a kind of elevator - Google Patents
Construction operation method in a kind of elevator Download PDFInfo
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- CN109113320A CN109113320A CN201811223082.0A CN201811223082A CN109113320A CN 109113320 A CN109113320 A CN 109113320A CN 201811223082 A CN201811223082 A CN 201811223082A CN 109113320 A CN109113320 A CN 109113320A
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- 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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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Abstract
The invention discloses construction operation methods in a kind of elevator, include the following steps: A, obtain operating platform, including top frame, support frame and bracing element, have 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 and leveling controller are provided between operation platform and top frame；B, operating platform is hoisted in completed elevator by tower crane, is located at its bracket on the floor on elevator doorway, support whole operation platform, adjust height adjustment mechanism, make operation platform to horizontality, completes 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, which has, can reduce difficulty of construction, improves construction environment, is conducive to the advantages that improving construction stability and safety.
Description
Technical field
The present invention relates to technical field of building construction, in particular to construction operation method in a kind of elevator.
Background technique
Operating platform refers in site operation to the people that stands, loading and the platform that can be operated.Operating platform should have
Necessary strength and stability in use process, must not shake.The stability of operating platform is conducive to ensure the safety of construction.
In modern architecture industry, skyscraper is more and more, and elevator has become the indispensable a part of skyscraper.
Elevator is reinforced concrete shear wall structure, and it is absolute construction that basic plane size is small, height is high, and shear wall arrangement of reinforcement is close.Electricity
Stair shaft position is a channel up and down, and elevator position belongs to high altitude operation, 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 is 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, disassembly 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 guarantee that the upper surface of operating platform is horizontal, and show
Customized type operating platform be to guarantee enough structural strengths, generally use the integral structure in Fig. 2, can not be according to elevator
The planar dimension of well carries out adaptability adjusting.In error range, no matter elevator planar dimension it is excessive or too small, can
Change the tilt angle of bracing element, and then influence the tilt angle of the upper surface of operating platform, the stabilization for influencing construction personnel is applied
Work.Moreover, the elevator too small for planar dimension, can also make the gap between operating platform and elevator too small, rising
When hanging operating platform, operating platform is easy to scrape with elevator inner wall.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how providing one kind can drop
Low difficulty of construction improves construction environment, is conducive to improve construction operation method in construction stability and the elevator of safety.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
Construction operation method in a kind of elevator, which comprises the steps of:
A, the operating platform such as flowering structure is first obtained, including laterally setting and entirety is in the top frame of rectangle, the side of the top frame
It is fixedly installed with vertically arranged support frame, bracing element is fixedly 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
There is the bracket being arranged along the direction away from the bracing element close to the position of bottom, be additionally provided in the top frame for lifting by crane
Lifting lug；Angle between the top frame and the support frame is greater than 90 °, supports the upper end of the bracket and the bracing element
When 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 deviates from institute
State support frame a upper side be hinged with it is whole be in rectangle operation platform, position of the operation platform far from hinged shaft with it is described
Height adjustment mechanism is provided between top frame, the height adjustment mechanism includes driving device, for controlling driving device movement
Leveling controller, and be mounted on the obliquity sensor of the operation platform bottom, the obliquity sensor is electrically connected to institute
State leveling controller；
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
It in the elevator of completion, is located at its bracket on the floor that elevator doorway is completed, supports as supporting point entire
Operating platform releases the wirerope of tower crane after safety inspection, completes the installation of operating platform, and construction personnel applies in stable
Operation construction is carried out on work platform；
C, after the completion of to be onstructed, i.e., elevator inner side template passes through lifting lug with the wirerope on tower crane again after removing, and 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, the height adjustment mechanism includes the linear expansion mechanism being mounted in the top frame and entirety in three
Angular wedge assemblies, the wedge assemblies are mounted on the telescopic end of linear expansion mechanism, and towards the construction
The hinged side of platform and top frame, when stretching out the telescopic end of the linear expansion mechanism, the wedge assemblies are towards the construction
The hinged Slideslip of platform and top frame, and it is rotated up the relatively described top frame of the operation platform；The driving device and institute
Linear expansion mechanism is stated to be connected.
Further, the driving device is driving motor, and the linear expansion mechanism includes being coaxially mounted to the drive
The feed screw nut of screw rod and cooperation on the screw rod on the output shaft of dynamic motor；The feed screw nut is fixedly mounted on institute
It states on wedge assemblies, there is the through-hole being coaxially disposed with the feed screw nut on the wedge assemblies, the screw rod passes through described
The through-hole of wedge assemblies drives the wedge assemblies to move along screw rod when rotating the driving motor.
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 the lower wedge block by hinged shaft, and the hinged shaft is parallel
In the hinged side of the operation platform and top frame；The feed screw nut is fixedly mounted on the lower wedge block.
Further, the wedge assemblies further include the upper surface for being mounted on the top frame and the following table of the operation platform
Guide rail on face, the guide rail are arranged along the length direction of the screw rod；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 on the guide rail in the top frame by guide groove.
Further, the bracket and the angle of the support frame lower end are 75 ~ 80 degree.
Further, the angle between the top frame and the support frame is 95 ° ~ 115 °.
Further, the support frame includes two vertically arranged support rods, and is connected laterally at two branch
Cross bar between strut；The width of two support rods is less than the width of elevator door, vertical on each support rod
One bracket is installed, the bracket to the distance of the support rod bottom and the length of the bracket is 300~
400mm；The bracing element includes two hounds being separately mounted on two support rods, and one end of the hound is solid
Surely it is connected to the lower end of the support 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 stringers, and the steel being laid on the rectangular frame
Plate；The side of the rectangular frame is hinged in the top frame.
Further, in the step A, the top frame is hinged with the wobble plate of suspension, institute away from the side of the support frame
It states and is provided with flexible jack unit between the middle part of wobble plate and the bracing element, turn the lower end of the wobble plate around the top frame
It is dynamic；In the step B, before carrying out safety inspection, first wobble plate is set to press against elevator the telescopic end stretching of flexible jack unit
On the shear wall of well.
Further, the flexible jack unit is the hydraulic cylinder for being connected with hydraulic system, the two of the hydraulic cylinder
End is respectively hinged in the wobble plate and the bracing element.
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.
Detailed description of the invention
Fig. 1 is that automatic leveling operating platform is mounted on the structural schematic diagram in elevator.
Fig. 2 is the structural schematic diagram of existing hoistway operation platform.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail.
When specific implementation: as shown in Figure 1, a kind of automatic leveling operating platform, including laterally setting and entirety is in rectangle
Top frame 1, the side of the top frame 1 are fixedly installed with vertically arranged support frame 2, fixed peace between the top frame 1 and support frame 2
Equipped with bracing element 3, the lower end of the bracing element 3 is connected to the lower end of the support frame 2, and upper end is connected to the top frame 1 and deviates from
The side of the support frame 2；The support frame 2 has close to the position of bottom along away from the setting of the direction of the bracing element 3
Bracket 4 is additionally provided with the lifting lug for lifting in the top frame 1；Angle between the top frame 1 and the support frame 2 is greater than
90 °, when being supported on the upper end of the bracket 4 and the bracing element 3 in elevator, the top frame 1 is close to support frame side
Height is consistently lower than the height of the other side；It is in rectangle that the top frame 1 is hinged with whole away from a upper side of the support frame 2
Operation platform 5, the operation platform 5 is provided with height adjustment mechanism 6 between position and the top frame 1 far from hinged shaft, described
Height adjustment mechanism 6 includes driving device, the leveling controller acted for controlling driving device, and is mounted on the construction
The obliquity sensor of 5 bottom of platform, the obliquity sensor are electrically connected to the leveling controller.When implementation, controller is leveled
Using the DP500 automatic leveling controller of auspicious fragrant science and technology production, which can be set the threshold values for adjusting angle, once it applies
The tilt angle of work platform exceeds given threshold, and leveling controller will control driving mechanism movement, until the inclination angle of operation platform
In given threshold.
Using the above structure, in use, making by the corbels support on support frame on the flooring of next layer of elevator door
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, so that it may using the height adjustment mechanism between operation platform and top frame, operation platform is adjusted to horizontality,
More stable construction plane is provided for construction personnel, be conducive to worker's construction and improves working security.Meanwhile utilizing installation
Obliquity sensor in operation platform bottom can detecte whether operation platform is in horizontality, can be controlled by leveling
Device controls driving device, and the height of automatic controlled height regulating mechanism realizes the automatic leveling of operation platform.In addition, due to top
Angle between frame and support frame is greater than 90 °, and height of the top frame close to support frame side is consistently lower than the height of the other side, makes
Obtain the planar dimension that top frame is absolutely less than elevator in the projection size of support frame short transverse.In this way, to operating platform into
When row lifting, there is enough gaps between operating platform and elevator, the inner wall of elevator can be scraped to avoid operating platform.
When implementation, the height adjustment mechanism 6 includes the linear expansion 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 expansion mechanism 61, and direction
The hinged side of the operation platform 5 and top frame 1, when stretching out the telescopic end of the linear expansion mechanism 61, the wedge assemblies
62 towards the operation platform 5 and top frame 1 hinged Slideslip, and turn the operation platform 5 top frame 1 relatively upwards
It is dynamic；The driving device is connected with the linear expansion mechanism 61.
When being stuck in elevator due to operating platform, the tilt angle of operation platform relative level is usually smaller, uses
Above structure squeezes the cotter mechanism between operation platform and top frame using linear expansion mechanism, can be by linear expansion mechanism
Larger stroke reduce the smaller Uplifting amount that is converted into wedge assemblies moving process, be easy to implement operation platform is gone up and down it is high
The accurate control of degree.
When implementation, the driving device is driving motor, and the linear expansion mechanism 61 includes being coaxially mounted to the drive
The feed screw nut of screw rod and cooperation on the screw rod on the output shaft of dynamic motor；The feed screw nut is fixedly mounted on institute
It states on wedge assemblies 62, there is the through-hole being coaxially disposed with the feed screw nut on the wedge assemblies 62, the screw rod passes through
The through-hole of the wedge assemblies 62 drives the wedge assemblies to move along screw rod when rotating the driving motor.
It is mobile using feed screw nut pair driving wedge assemblies in above structure, due to feed screw nut pair have it is good from
Lock ability can stop the control to driving motor, be 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 the lower wedge block by hinged shaft, and the hinged shaft is parallel
In the hinged side of the operation platform 5 and top frame 1；The feed screw nut is fixedly mounted 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 being mounted 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 screw rod；On the upper voussoir and lower wedge block have with it is described
The guide groove that guide rail matches, the upper voussoir described are led by what guide groove was slidably fit on the operation platform 5
On rail, the lower wedge block is slidably fit on the guide rail in the top frame 1 by guide groove.
In this way, both can control the direction of 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 bracket 4 and the angle of 2 lower end of support frame are 75 ~ 80 degree.
In this way, end and the support portion of bracket and support frame connect when bracket and support frame are connected on elevator door floor
Touching, the end of especially bracket resists ground downward, difficult to slide, so that the support of bracket is more stable.
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 support rods, and is connected laterally at two supports
Cross bar between bar；The width of two support rods is less than the width of elevator door, vertical peace on each support rod
Equipped with a bracket 4, the bracket 4 to the distance of the support rod bottom and the length of the bracket 4 is 300~
400mm；The bracing element 3 includes two hounds being separately mounted on two support rods, one end of the hound
It is fixedly connected on the lower end of the support rod, the other end is fixedly connected on the side that the top frame 1 deviates from the support frame 2；Institute
Stating operation platform 5 includes the rectangular frame being welded by four crossbeams and four stringers, and is laid on the rectangular frame
On steel plate；The side of the rectangular frame is hinged in the top frame 1.
When implementation, the top frame 1 is hinged with the wobble plate 8 of suspension away from the side of the support frame 2, in the wobble plate 8
It is provided with flexible jack unit 7 between portion and the bracing element 3, rotates the lower end of the wobble plate 8 around the top frame 1.
In use, stretching that can be outside by the telescopic end of flexible jack unit, supports wobble plate and is attached to away from elevator door one
In the hoistway wall of side, since the jack unit that stretches is mounted on the middle part of wobble plate, so that effect of the wobble plate in flexible jack unit
Under can only be close to wall, and the upper end of top frame and wobble plate is hinged, so that it may guarantee that top frame is connected to always on elevator inner wall, tiltedly
The lower end of support member is mobile towards elevator door direction, so that it may so that bracket reliablely and stablely supports under the action of flexible jack unit
It connects on lift port ground, is conducive to the stability and safety in utilization that improve operating platform.
When implementation, the flexible jack unit 7 is the hydraulic cylinder for being connected with hydraulic system, the both ends of the hydraulic cylinder
It is respectively hinged on the wobble plate 8 and the bracing element 3.
Biggish pressure on top surface is capable of providing using hydraulic cylinder, it is ensured that operating platform is securely captured in elevator.
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, is located at its bracket on the floor that elevator doorway is completed, as supporting point
Whole operation platform is support, the telescopic end stretching of flexible jack unit is pressed against on the shear wall of elevator, on inspection
After safety, the wirerope 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 wirerope 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 with the present invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. construction operation method in a kind of elevator, which comprises the steps of:
A, the operating platform such as flowering structure is first obtained, including laterally setting and entirety is in the top frame (1) of rectangle, the top frame (1)
Side be fixedly installed with vertically arranged support frame (2), be fixedly installed with diagonal brace between the top frame (1) and support frame (2)
Part (3), the lower end of the bracing element (3) are connected to the lower end of the support frame (2), and upper end is connected to the top frame (1) and deviates from
The side of the support frame (2)；The support frame (2) has close to the position of bottom along the direction for deviating from the bracing element (3)
The bracket (4) of setting is additionally provided with the lifting lug for lifting on the top frame (1)；The top frame (1) and the support frame (2)
Between angle be greater than 90 °, when being supported on the upper end of the bracket (4) and the bracing element (3) in elevator, the top frame
(1) height close to support frame side is consistently lower than the height of the other side；The top frame (1) deviates from the one of the support frame (2)
Upper side is hinged with the whole operation platform (5) in rectangle, position and the top frame of the operation platform (5) far from hinged shaft
(1) it is provided between height adjustment mechanism (6), the height adjustment mechanism (6) includes driving device, for controlling driving device
The leveling controller of movement, and it is mounted on the obliquity sensor of the operation platform (5) bottom, the obliquity sensor is electrically connected
It is connected to the leveling controller；
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
It in the elevator of completion, is located at its bracket on the floor that elevator doorway is completed, supports as supporting point entire
Operating platform releases the wirerope of tower crane after safety inspection, completes the installation of operating platform, and construction personnel applies in stable
Operation construction is carried out on work platform；
C, after the completion of to be onstructed, i.e., elevator inner side template passes through lifting lug with the wirerope on tower crane again after removing, and 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. construction operation method in elevator as described in claim 1, which is characterized in that height adjustment mechanism (6) packet
Include the linear expansion mechanism (61) being mounted on the top frame (1) and whole wedge assemblies (62) triangular in shape, the voussoir
Component (62) is mounted on the telescopic end of linear expansion mechanism (61), and towards the operation platform (5) and top frame (1)
Hinged side, when stretching out the telescopic end of the linear expansion mechanism (61), the wedge assemblies (62) are flat towards the construction
The hinged Slideslip of platform (5) and top frame (1), and it is rotated up the relatively described top frame (1) of the operation platform (5)；The drive
Dynamic device is connected with the linear expansion mechanism (61).
3. construction operation method in elevator as claimed in claim 2, which is characterized in that the driving device is driving electricity
Machine, the linear expansion mechanism (61) include the screw rod being coaxially mounted on the output shaft of the driving motor and cooperation in institute
State the feed screw nut on screw rod；The feed screw nut is fixedly mounted on the wedge assemblies (62), the wedge assemblies (62)
Upper to have the through-hole being coaxially disposed with the feed screw nut, the screw rod passes through the through-hole of the wedge assemblies (62), makes described
When driving motor rotates, the wedge assemblies is driven to move along screw rod.
4. construction operation method in elevator as claimed in claim 3, which is characterized in that the wedge assemblies (62) include can
The lower wedge block being slidably attached on the top frame (1), and the upper voussoir being slideably attached on the operation platform (5), it is described
Upper voussoir is hinged on the lower wedge block by hinged shaft, and the hinged shaft is parallel to the hinge of the operation platform (5) and top frame (1)
Connect side；The feed screw nut is fixedly mounted on the lower wedge block.
5. construction operation method in elevator as claimed in claim 4, which is characterized in that the wedge assemblies (62) further include
The guide rail being mounted on the upper surface of the top frame (1) and the lower surface of the operation platform (5), the guide rail is along the screw rod
Length direction setting；There is the guide groove to match with the guide rail, the upper voussoir is logical on the upper voussoir and lower wedge block
It crosses on the guide rail that guide groove is slidably fit on the operation platform (5), the lower wedge block can be slided by guide groove
Cooperate on the guide rail on the top frame (1) dynamicly.
6. construction operation method in elevator as described in claim 1, which is characterized in that the bracket (4) and the support
The angle of frame (2) lower end is 75 ~ 80 degree.
7. construction operation method in elevator as described in claim 1, which is characterized in that the top frame (1) and the support
Angle between frame (2) is 95 ° ~ 115 °.
8. construction operation method in elevator as described in claim 1, which is characterized in that the support frame (2) includes two
Vertically arranged support rod, and the cross bar being connected laterally between two support rods；The width of two support rods
Less than the width of elevator door, the bracket (4) is vertically installed on each support rod, the bracket (4) is arrived
The distance of the support rod bottom and the length of the bracket (4) are 300~400mm；The bracing element (3) includes two pieces points
The hound not being mounted on two support rods, one end of the hound are fixedly connected on the lower end of the support rod,
The other end is fixedly connected on the side that the top frame (1) deviates from the support frame (2)；The operation platform (5) includes by four
The rectangular frame that crossbeam and four stringers are welded, and the steel plate being laid on the rectangular frame；The rectangular frame
Side be hinged on the top frame (1).
9. construction operation method in elevator as described in claim 1, which is characterized in that in the step A, the top frame
(1) side away from the support frame (2) is hinged with the wobble plate (8) of suspension, the middle part of the wobble plate (8) and the bracing element
(3) it is provided with flexible jack unit (7) between, rotates the lower end of the wobble plate (8) around the top frame (1)；The step B
In, before carrying out safety inspection, first press against wobble plate on the shear wall of elevator the telescopic end stretching of flexible jack unit.
10. construction operation method in elevator as claimed in claim 9, which is characterized in that the flexible jack unit (7) is
It is connected with the hydraulic cylinder of hydraulic system, the both ends of the hydraulic cylinder are respectively hinged at the wobble plate (8) and the bracing element
(3) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223082.0A CN109113320B (en) | 2018-10-19 | 2018-10-19 | Construction operation method in elevator shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223082.0A CN109113320B (en) | 2018-10-19 | 2018-10-19 | Construction operation method in elevator shaft |
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| CN109113320B CN109113320B (en) | 2020-06-23 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306776A (en) * | 2019-06-25 | 2019-10-08 | 王萍 | A kind of hoistable platform for construction of elevator shaft in high-rise building |
| CN110306777A (en) * | 2019-06-25 | 2019-10-08 | 王萍 | A kind of construction method applied to lifting platform for elevator hoistway in architectural engineering |
| CN113445768A (en) * | 2021-04-22 | 2021-09-28 | 荣华建设集团有限公司 | Rapid elevator shaft hard protection device and construction process thereof |
| CN114109009A (en) * | 2021-11-13 | 2022-03-01 | 中建八局第三建设有限公司 | Combined support type hoistway operation platform |
| CN114197848A (en) * | 2021-11-25 | 2022-03-18 | 中建八局第二建设有限公司 | Novel elevator well promotion formula bracing operation steel platform |
| CN114575737A (en) * | 2022-03-21 | 2022-06-03 | 中建八局第一建设有限公司 | Novel steel cat ladder is used temporarily in construction of assembled structure |
| CN114775986A (en) * | 2022-03-25 | 2022-07-22 | 陕西帕源路桥建设有限公司 | Gyroscope horizontal control device |
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| CN105971262A (en) * | 2016-04-20 | 2016-09-28 | 胡彦彬 | Folding tool type wall attachment supporting working platform |
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| CN110306776B (en) * | 2019-06-25 | 2020-05-29 | 湖北勇胜建设工程有限公司 | Lifting platform for high-rise building elevator shaft construction |
| CN110306777B (en) * | 2019-06-25 | 2021-07-09 | 南通居者安建筑科学研究院有限公司 | Construction method applied to elevator shaft lifting platform in building engineering |
| CN113445768A (en) * | 2021-04-22 | 2021-09-28 | 荣华建设集团有限公司 | Rapid elevator shaft hard protection device and construction process thereof |
| CN114109009A (en) * | 2021-11-13 | 2022-03-01 | 中建八局第三建设有限公司 | Combined support type hoistway operation platform |
| CN114197848A (en) * | 2021-11-25 | 2022-03-18 | 中建八局第二建设有限公司 | Novel elevator well promotion formula bracing operation steel platform |
| CN114575737A (en) * | 2022-03-21 | 2022-06-03 | 中建八局第一建设有限公司 | Novel steel cat ladder is used temporarily in construction of assembled structure |
| CN114575737B (en) * | 2022-03-21 | 2023-07-11 | 中建八局第一建设有限公司 | Novel steel cat ladder is used temporarily in assembled structural construction |
| CN114775986A (en) * | 2022-03-25 | 2022-07-22 | 陕西帕源路桥建设有限公司 | Gyroscope horizontal control device |
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