CN104477736A - Shaft elevator installation method - Google Patents
Shaft elevator installation method Download PDFInfo
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- CN104477736A CN104477736A CN201210387455.4A CN201210387455A CN104477736A CN 104477736 A CN104477736 A CN 104477736A CN 201210387455 A CN201210387455 A CN 201210387455A CN 104477736 A CN104477736 A CN 104477736A
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- angle steel
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- support frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
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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
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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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
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Automation & Control Theory (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to a shaft elevator installation method. The shaft elevator installation method comprises the following steps of arranging an installation platform on the top layer of an elevator shaft; installing a counterweight block support and a counterweight block at the top layer of the shaft; installing an elevator car on the bottom layer of the shaft. The shaft elevator installation method solves the defects that, in the prior art, construction and detachment of a scaffold working platform are tedious and the scaffold operation is high in risk, the existing scaffold is replaced by an installation platform which is simple in structure, easy to detach and high in safety coefficient, a test can be performed without installing the installation platform after an elevator is constructed, and debugging of the elevator is convenient.
Description
Technical field
The present invention relates to the protective device to hoistway mouth in a kind of elevator installation, particularly the defensive adjustable protective guard in a kind of elevator road junction.
Background technology
Modem elevator is primarily of compositions such as towing machine (winch), guide rail, counterweight, safety device (as velocity limiter, safety tongs and energy disperser etc.), signal manipulation system, car and Room doors.In the hoistway that these parts are arranged on building respectively and machine room.Usual employing Wire Friction Driving, steel rope walks around traction sheave, and two ends connect car and counterbalanced weight respectively, and direct motor drive traction sheave makes car be elevated.Elevator require safe and reliable, transport efficiency is high, leveling accuracy and ride comfort etc.The basic specification of elevator mainly contains nominal payload, can take advantage of number, command speed, car contour dimension and hoistway pattern etc.
Elevator installation divides 3 stages in principle.
First stage is the elevator foundation work will installed in elevator hoistways.The action in this stage comprises disposing in elevator hoistways to remain in from top to bottom on elevator hoistways surroundings wall measures hoistway squareness with a large amount of embedded bar and residual stone; Loft Line; Beat the stent expansion bolt hole of cage guide, fixed support hole, hoisting guiding rail straightening, levelling, bolt is fixed and inner support and outer support are welded and fixed; Elevator hall's threshold, doorframe punching location and installation; Pipe arrangement line etc.Because the engineering of first stage is foundation work, the most important work of this stage is exactly the installation of support and guide rail, and its installation quality directly has influence on the running quality of whole elevator.The foundation work work capacity of first stage accounts for about 80% of whole elevator mounting engineering amount.After the foundation work facility in hoistway all completes, an intermediate acceptance must be carried out to the installation quality of elevator foundation work in hoistway, the installation of subordinate phase after qualified, can be carried out.
Subordinate phase carries out lift facility installation in place.This stage action comprises the installation of towing machine in machine room, control panel, bottom counterweight and energy disperser, the installation of top layer car frame and safety tongs, car is assembled, the installation of traction load cable, the installation of control cables and electrical equipment, the installation of balancing chain, velocity limiter, wiring is clocked over.The notice in this stage: first, the car gantry frame of elevator must correct installation in position in the main guide rail of alignment in top hoistway.After main guide rail installation in position, just can install the towing machine of machine room, this is main points and the requirement of most critical in elevator field engineering.Secondly, from the top wheel car roof wheel → machine room traction sheave → track adjusting wheel → counterweight, whether the squareness between them is correct, depends on whether these four wheels are on a vertical line.The bench mark as whole elevator is taken turns on the top of lift car, must be in place at top layer, ensures that bench mark hangs vertical line instead traction sheave from car roof wheel, because its squareness of the comparatively near easily guarantee of these two points.After having hung vertical line, relocate towing machine in machine room, then positioning guide pulleys and counterweight top wheel.The object of such operation to ensure to make between these somes squareness accurately exactly, makes them be on same vertical line.Again traction steel-cable is installed, so just ensures, with the guide rail having corrected alignment in hoistway, there is same squareness.Overall squareness installed by correct installation method guarantee elevator, and elevator is operated steadily, and user is comfortable, guarantees the safety of lift facility itself and user's lives and properties.
Phase III debugs examination exactly.
Shortcoming/the deficiency of prior art:
1. the building and remove trouble of scaffold work platform, carries out operating scaffold high and low and has very high danger.
2. the scaffolding structure required for the lift car of top layer building structure complexity is complicated, and the build process time is long, and lift car installs difficulty, is prone to accidents.
3. need dismounting scaffold just can test after having built elevator, the debugging of inconvenient elevator.
Summary of the invention
The shortcomings such as technical matters to be solved by this invention is that the hoistway elevator installation that uses at present is complicated, dangerous high, the inconvenient elevator debugging of staff.
The present invention is achieved through the following technical solutions above-mentioned purpose:
For the shortcoming that existing hoistway elevator installing method exists, design a kind of installation method of hoistway elevator,
Described installation steps are as follows:
One, fixed orifice is arranged:
S10: vertically offer two vertical fixed orifices on the threshold of the door opening of the top layer of elevator hoistways, the distance between two vertical fixed orifices is D;
S11: level offers two horizontal fixed orifices on the door beam of the door opening of the top layer of elevator hoistways, the distance between two horizontal fixed orifices is L, L > D;
Two, erecting stage is built:
S12: take two load-bearing channel-section steels, every root load-bearing channel-section steel offers the at right angle setting hole corresponding with vertical fixed orifice, fix a location square steel after two load-bearing channel-section steels be arranged in parallel at the two ends of load-bearing channel-section steel respectively and form support frame, the spacing between two load-bearing channel-section steels is less than D;
S13: the load-bearing square steel fixing more than two or two on the support frame, the two ends of every root load-bearing square steel are separately fixed on two load-bearing channel-section steels;
S14: fix two vertical angle steel at support frame, vertical angle steel offers the horizontal mounting hole corresponding with horizontal fixed orifice, two vertical angle steel are all positioned at the same side of support frame; One end of two vertical angle steel is fixedly connected with two load-bearing channel-section steels respectively; The plane at vertical angle steel vertical support frames place;
Be fixedly connected by horizontal type angle steel between S15: two vertical angle steel, the two ends of horizontal type angle steel are fixed on the side that vertical angle steel is not connected with support frame;
S16: support frame is provided with oblique pull plate, the two ends of oblique pull plate are fixedly connected with load-bearing channel-section steel and the vertical angle steel that is fixedly connected with this load-bearing channel-section steel respectively, form erecting stage;
Bearing plate is built:
S17: take length and width and be less than or equal to the wooden baffle plate that the wooden pedal of support frame and length is less than or equal to support frame and be fixed into the bearing plate that cross-sectional plane is " U " font;
Three, erecting stage is installed:
S18: door opening erecting stage being delivered to the top layer of elevator hoistways, two the at right angle setting holes be arranged on two load-bearing channel-section steels are aimed at the vertical fixed orifice of two on threshold, two the horizontal mounting holes be arranged on two vertical angle steel are aimed at the horizontal fixed orifice of two on door beam, use bolt of rear end plate to be separately fixed on threshold and door beam by load-bearing channel-section steel and vertical angle steel at right angle setting hole and horizontal mounting hole place;
S19: fix a location square steel on the support frame, location square steel is fixedly connected with two load-bearing channel-section steels respectively, and the two ends of location square steel to be separately fixed on elevator hoistways inwall and to be positioned at the both sides of door opening;
S20: bearing plate is arranged on support frame, the wooden baffle plate of bearing plate both sides is fixedly connected with two vertical angle steel respectively;
Four, elevator is installed:
S21: at elevator hoistways bottom lift-mounting car;
S22: be transported to most top layer counterweight frame with to pouring weight;
S23: respectively install two in counterweight frame both sides for the suspension ring that lead temporarily;
S24: fix a chain block on elevator(lift) machine room load-bearing I-beam section, counterweight framework is lifted to top layer door opening, counterweight frame top is connected with the lift chain of chain block, by chain block, counterweight frame is promoted and be suspended in hoistway, and settle on counterweight frame and fix pouring weight.
Guide rope is installed:
S25: place one block of sleeper on machine room ground and between traction steel-cable perforate, sleeper length is greater than the spacing between the perforate of two hanging steel ropes, hoistway is put into from the perforate of two hanging traction steel-cables respectively in the two ends of guide steel wire rope, guide steel wire rope two ends pass perpendicularly through two suspension ring that temporarily lead of counterweight frame respectively, and extend to well pit and be fixed on pit wall;
S26: traction steel-cable is connected with lift car and counterweight support respectively.
In order to improve the safety of workmen further, after described erecting stage builds completing steps S15, end before two load-bearing channel-section steels of support frame fixes a vertical angle steel in root guard hurdle respectively, the vertical angle steel of guard rail is perpendicular to the plane at support frame place, and the vertical angle steel of guard rail and vertical angle steel are positioned at the same side of support frame; One or more guar plate is all fixed with between the vertical angle steel of guard rail and vertical angle steel, between the two vertical angle steel in root guard hurdle.
The present invention has the following advantages:
1. the Assembly &Disassembly flow process of erecting stage is simple, and erecting stage safety factor is high.
2. higher at the technical risk of the lift car of bottom building structure complexity safety factor that is lower, staff, the build process time is short, and accident is less likely to occur.
3. do not need to remove and install platform after having built elevator can test, facilitate the debugging of elevator.
Accompanying drawing explanation
Fig. 1 is the construction process figure of the embodiment of the present invention one;
Fig. 2 is the hoistway mouth structure schematic diagram of the elevator top of the embodiment of the present invention one;
Fig. 3 is the load-bearing channel-section steel structural representation of the embodiment of the present invention one;
Fig. 4 is the erecting stage structural representation of the embodiment of the present invention one;
Fig. 5 is the load-bearing plate structure schematic diagram of the embodiment of the present invention one;
Fig. 6 is the erecting stage using state figure of the embodiment of the present invention one;
Fig. 7 is the elevator hoistways top layer Construction State schematic diagram of the embodiment of the present invention one;
Fig. 8 is the sleeper installing condition schematic diagram on the machine room ground of the embodiment of the present invention one.
Detailed description of the invention
Embodiment one: method of the present invention comprises the following steps, fixed orifice is arranged, erecting stage is built,
Erecting stage is installed and elevator is installed.Described installation steps are specific as follows:
One, fixed orifice is arranged:
S10: the distance vertically offered on the threshold 11 of the door opening 1 of the top layer of elevator hoistways between two vertical fixed orifices, 12, two vertical fixed orifices 12 is D;
S11: level offers the distance between two horizontal fixed orifices, 14, two horizontal fixed orifices 14 on the door beam 13 of the door opening 1 of the top layer of elevator hoistways is L, L > D;
Two, erecting stage is built:
S12: take two load-bearing channel-section steels 21, every root load-bearing channel-section steel 21 offers the at right angle setting hole 211 corresponding with vertical fixed orifice 12, fix a location square steel 22 after two load-bearing channel-section steels 21 be arranged in parallel at the two ends of load-bearing channel-section steel 21 respectively and form support frame 2, the spacing between two load-bearing channel-section steels 21 is less than D;
S13: the load-bearing square steel 23 fixing more than two on support frame 2, the two ends of every root load-bearing square steel 23 are separately fixed on two load-bearing channel-section steels 21;
S14: fix two vertical angle steel 24 at support frame 2, vertical angle steel 24 offers the same side that the horizontal mounting hole corresponding with horizontal fixed orifice 14 241, two vertical angle steel 24 are all positioned at support frame 2; One end of two vertical angle steel 24 is fixedly connected with two load-bearing channel-section steels 21 respectively; The plane at vertical angle steel 24 vertical support frames 2 place;
Be fixedly connected by horizontal type angle steel 25 between S15: two vertical angle steel 24, the two ends of horizontal type angle steel 25 are fixed on the side that vertical angle steel 24 is not connected with support frame 2;
S16: support frame 2 is provided with oblique pull plate 26, the two ends of oblique pull plate 26 are fixedly connected with load-bearing channel-section steel 21 and the vertical angle steel 24 that is fixedly connected with this load-bearing channel-section steel 21 respectively, form erecting stage;
Bearing plate is built:
S17: take length and width and be less than or equal to the wooden baffle plate 32 that the wooden pedal 31 of support frame 2 and length is less than or equal to support frame 2 and be fixed into the bearing plate 3 that cross-sectional plane is " U " font;
Three, erecting stage is installed:
S18: the door opening 1 erecting stage being delivered to the top layer of elevator hoistways, two the at right angle setting holes 211 be arranged on two load-bearing channel-section steels 21 are aimed at the vertical fixed orifice 12 of two on threshold 11, two the horizontal mounting holes 241 be arranged on two vertical angle steel 24 are aimed at the horizontal fixed orifice 14 of two on door beam 13, use bolt of rear end plate 4 to be separately fixed on threshold 11 and door beam 13 by load-bearing channel-section steel 21 and vertical angle steel 24 at right angle setting hole 211 and horizontal mounting hole 241 place;
S19: fix a location square steel 27 on support frame 2, location square steel 27 is fixedly connected with two load-bearing channel-section steels 21 respectively, and the two ends of location square steel 27 to be separately fixed on elevator hoistways inwall and to be positioned at the both sides of door opening 1;
S20: bearing plate 3 is arranged on support frame 2, the wooden baffle plate of bearing plate 3 both sides respectively angle steel 24 vertical with two is fixedly connected with;
Four, elevator is installed:
S21: at elevator hoistways bottom lift-mounting car 4;
S22: be transported to most top layer counterweight frame 5 with to pouring weight 6;
S23: respectively install two for the suspension ring 51 that lead temporarily in counterweight frame 5 both sides;
S24: fix a chain block 8 on elevator(lift) machine room load-bearing I-beam section 7, counterweight framework 5 is lifted to top layer door opening 1, counterweight frame 5 top is connected with the lift chain of chain block 8, by chain block 8, counterweight frame 5 is promoted to be suspended in hoistway, and settle on counterweight frame 5 and fix pouring weight 6.
Guide rope is installed:
S25: place one block of sleeper 12 on machine room ground and between traction steel-cable perforate 11, sleeper 12 length is greater than the spacing between two hanging steel ropes perforate 11, hoistway is put into from two hanging traction steel-cables perforate 11 respectively in the two ends of guide steel wire rope 13, guide steel wire rope 13 two ends pass perpendicularly through two of counterweight frame 5 guiding suspension ring 51 temporarily respectively, and extend to well pit and be fixed on pit wall;
S26: traction steel-cable 9 is connected with lift car and counterweight support respectively.
Claims (2)
1. an installation method for hoistway elevator, is characterized in that installation steps are as follows:
Fixed orifice is arranged:
S10: vertically offer two vertical fixed orifices on the threshold of the door opening of the top layer of elevator hoistways, the distance between two vertical fixed orifices is D;
S11: level offers two horizontal fixed orifices on the door beam of the door opening of the top layer of elevator hoistways, the distance between two horizontal fixed orifices is L, L > D;
Erecting stage is built:
S12: take two load-bearing channel-section steels, every root load-bearing channel-section steel offers the at right angle setting hole corresponding with vertical fixed orifice, fix a location square steel after two load-bearing channel-section steels be arranged in parallel at the two ends of two load-bearing channel-section steels respectively and form support frame, the spacing between two load-bearing channel-section steels is less than D;
S13: the load-bearing square steel fixing more than two or two on the support frame, the two ends of every root load-bearing square steel are separately fixed on two load-bearing channel-section steels;
S14: fix two vertical angle steel at support frame, vertical angle steel offers the horizontal mounting hole corresponding with horizontal fixed orifice, two vertical angle steel are all positioned at the same side of support frame; One end of two vertical angle steel is fixedly connected with two load-bearing channel-section steels respectively; The plane at vertical angle steel vertical support frames place;
Be fixedly connected by horizontal type angle steel between S15: two vertical angle steel, the two ends of horizontal type angle steel are fixed on the side that vertical angle steel is not connected with support frame;
S16: support frame is provided with oblique pull plate, the two ends of oblique pull plate are fixedly connected with load-bearing channel-section steel and the vertical angle steel that is fixedly connected with this load-bearing channel-section steel respectively, form erecting stage;
Bearing plate is built:
S17: take length and width and be less than or equal to the wooden baffle plate that the wooden pedal of support frame and length is less than or equal to support frame and be fixed into the bearing plate that cross-sectional plane is " U " font;
Erecting stage is installed:
S18: door opening erecting stage being delivered to the top layer of elevator hoistways, two the at right angle setting holes be arranged on two load-bearing channel-section steels are aimed at the vertical fixed orifice of two on threshold, two the horizontal mounting holes be arranged on two vertical angle steel are aimed at the horizontal fixed orifice of two on door beam, use bolt of rear end plate to be separately fixed on threshold and door beam by load-bearing channel-section steel and vertical angle steel at right angle setting hole and horizontal mounting hole place;
S19: fix a location square steel on the support frame, location square steel is fixedly connected with two load-bearing channel-section steels respectively, and the two ends of location square steel to be separately fixed on elevator hoistways inwall and to be positioned at the both sides of door opening;
S20: bearing plate is arranged on support frame, the wooden baffle plate of bearing plate both sides is fixedly connected with two vertical angle steel respectively;
Elevator is installed:
S21: at elevator hoistways bottom lift-mounting car;
S22: be transported to most top layer counterweight frame with to pouring weight;
S23: respectively install two in counterweight frame both sides for the suspension ring that lead temporarily;
S24: fix a chain block on elevator(lift) machine room load-bearing I-beam section, counterweight framework is lifted to top layer door opening, counterweight frame top is connected with the lift chain of chain block, by chain block, counterweight frame is promoted and be suspended in hoistway, and settle on counterweight frame and fix pouring weight;
Guide rope is installed:
S25: place one block of sleeper on machine room ground and between traction steel-cable perforate, sleeper length is greater than the spacing between the perforate of two hanging steel ropes, hoistway is put into from the perforate of two hanging traction steel-cables respectively in the two ends of guide steel wire rope, guide steel wire rope two ends pass perpendicularly through two suspension ring that temporarily lead of counterweight frame respectively, and extend to well pit and be fixed on pit wall;
S26: traction steel-cable is connected with lift car and counterweight support respectively.
2. the installation method of hoistway elevator according to claim 1, after it is characterized in that described erecting stage builds completing steps S15, end before two load-bearing channel-section steels of support frame fixes a vertical angle steel in root guard hurdle respectively, the vertical angle steel of guard rail is perpendicular to the plane at support frame place, and the vertical angle steel of guard rail and vertical angle steel are positioned at the same side of support frame; One or more guar plate is all fixed with between the vertical angle steel of guard rail and vertical angle steel, between the two vertical angle steel in root guard hurdle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210387455.4A CN104477736A (en) | 2012-10-12 | 2012-10-12 | Shaft elevator installation method |
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|---|---|---|---|
| CN201210387455.4A CN104477736A (en) | 2012-10-12 | 2012-10-12 | Shaft elevator installation method |
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| CN104477736A true CN104477736A (en) | 2015-04-01 |
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| CN201210387455.4A Pending CN104477736A (en) | 2012-10-12 | 2012-10-12 | Shaft elevator installation method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044827A (en) * | 2017-04-17 | 2017-08-15 | 杭州市特种设备检测研究院 | With pit spacing wireless detecting system and method for wirelessly testing at the top of elevator hoistways |
| CN107522062A (en) * | 2017-10-17 | 2017-12-29 | 上海市浦东新区建设(集团)有限公司 | A kind of installation construction method for elevator |
| CN108868098A (en) * | 2018-05-29 | 2018-11-23 | 沃克斯电梯（中国）有限公司 | Support frame and its installation method are used outside a kind of novel hoistway |
| CN110371823A (en) * | 2019-08-24 | 2019-10-25 | 华城(天津)建筑科技有限公司 | Self-carry suitable for the additional elevator construction of assembled rises hanging device and construction method |
| CN110719881A (en) * | 2017-06-12 | 2020-01-21 | 三菱电机株式会社 | Scaffolding for maintenance of car door devices |
| CN110980478A (en) * | 2019-12-30 | 2020-04-10 | 江苏阿尔法电梯制造有限公司 | Construction lifting system |
| CN112551314A (en) * | 2020-09-08 | 2021-03-26 | 郑州轻工业大学 | Single-upright-column elevator lifting system and elevator |
| CN113428755A (en) * | 2021-07-09 | 2021-09-24 | 成都瑞普柯隆科技有限责任公司 | Elevator shaft internal operation method and elevator shaft top layer platform device |
| CN111232799B (en) * | 2020-01-10 | 2021-11-26 | 日立电梯（中国）有限公司 | Mobile operation platform traction system and machine room-free elevator construction method using same |
| CN114044424A (en) * | 2021-12-01 | 2022-02-15 | 北京世纪天创智业系统集成技术有限公司 | Assembled hydraulic elevator |
| 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 |
| CN115159300A (en) * | 2022-07-14 | 2022-10-11 | 广州市机电安装有限公司 | Elevator installation construction method |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044827A (en) * | 2017-04-17 | 2017-08-15 | 杭州市特种设备检测研究院 | With pit spacing wireless detecting system and method for wirelessly testing at the top of elevator hoistways |
| CN110719881A (en) * | 2017-06-12 | 2020-01-21 | 三菱电机株式会社 | Scaffolding for maintenance of car door devices |
| CN110719881B (en) * | 2017-06-12 | 2021-01-29 | 三菱电机株式会社 | Scaffold for maintenance of car door device |
| CN107522062A (en) * | 2017-10-17 | 2017-12-29 | 上海市浦东新区建设(集团)有限公司 | A kind of installation construction method for elevator |
| CN108868098A (en) * | 2018-05-29 | 2018-11-23 | 沃克斯电梯（中国）有限公司 | Support frame and its installation method are used outside a kind of novel hoistway |
| CN110371823A (en) * | 2019-08-24 | 2019-10-25 | 华城(天津)建筑科技有限公司 | Self-carry suitable for the additional elevator construction of assembled rises hanging device and construction method |
| CN110371823B (en) * | 2019-08-24 | 2024-04-16 | 华城(天津)建筑科技有限公司 | Self-lifting hoisting equipment suitable for assembly type additional elevator construction and construction method |
| CN110980478B (en) * | 2019-12-30 | 2021-04-20 | 江苏阿尔法电梯制造有限公司 | Construction lifting system |
| CN110980478A (en) * | 2019-12-30 | 2020-04-10 | 江苏阿尔法电梯制造有限公司 | Construction lifting system |
| CN111232799B (en) * | 2020-01-10 | 2021-11-26 | 日立电梯（中国）有限公司 | Mobile operation platform traction system and machine room-free elevator construction method using same |
| CN112551314A (en) * | 2020-09-08 | 2021-03-26 | 郑州轻工业大学 | Single-upright-column elevator lifting system and elevator |
| CN112551314B (en) * | 2020-09-08 | 2022-02-01 | 郑州轻工业大学 | Single-upright-column elevator lifting system and elevator |
| CN113428755A (en) * | 2021-07-09 | 2021-09-24 | 成都瑞普柯隆科技有限责任公司 | Elevator shaft internal operation method and elevator shaft top layer platform device |
| CN114044424A (en) * | 2021-12-01 | 2022-02-15 | 北京世纪天创智业系统集成技术有限公司 | Assembled hydraulic elevator |
| 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 |
| CN115159300A (en) * | 2022-07-14 | 2022-10-11 | 广州市机电安装有限公司 | Elevator installation construction method |
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