CN114380179B - Safety construction method of hoistway elevator - Google Patents
Safety construction method of hoistway elevator Download PDFInfo
- Publication number
- CN114380179B CN114380179B CN202111611980.5A CN202111611980A CN114380179B CN 114380179 B CN114380179 B CN 114380179B CN 202111611980 A CN202111611980 A CN 202111611980A CN 114380179 B CN114380179 B CN 114380179B
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- Prior art keywords
- elevator
- construction
- climbing frame
- hoistway
- steel pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/04—Installing or removing mining-hoist cars, cages, or skips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Types And Forms Of Lifts (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a safe construction method of a well elevator, wherein a climbing frame and a construction elevator are arranged in the well, and the construction method comprises the following steps: transporting the construction elevator assembly into a hoistway, and erecting a protective device above a construction elevator installation area in the hoistway; installing a construction elevator in an area below the protection device, and synchronously constructing a climbing frame above the protection device; after the construction elevator is assembled, the climbing frame is installed and the bottom of the climbing frame is closed, the supporting scaffold, the horizontal steel beam and the protecting device are disassembled, and the protecting structure on the truss structure provides safety protection for the construction elevator. In the construction stage, the method ensures that the construction elevator and the climbing frame can synchronously construct by utilizing the built protection device; in the operation stage, the safety protection is provided through a protection structure on the construction elevator, and the falling object is prevented from directly smashing the elevator car in the middle of the elevator. The construction method can avoid the problems of complex working procedures, low efficiency and safety risk caused by repeated installation and detachment of the existing safety protection device.
Description
Technical Field
The invention relates to a safe construction method of a hoistway elevator, and belongs to the technical field of construction elevators.
Background
In hoistway elevator construction, since a climbing frame for hoistway construction is generally arranged above the hoistway elevator, safety protection of the top of the elevator is a serious issue in field construction management and control. Under normal conditions, the engineering project can adopt a pre-buried steel bar net or a built steel scaffold for protection. However, as the construction height of the hoistway increases, the elevator needs to climb with a section, at this time, the protection structure above needs to be removed, the protection structure is re-constructed, repeated installation and removal of the protection structure will lead to complex construction procedures and low efficiency, and certain construction safety risks exist at certain specific stages.
Disclosure of Invention
The application provides a safety construction method of a well elevator, which is used for solving the problems of complex working procedure, low efficiency and safety risk caused by construction of a safety protection structure in the existing well elevator construction.
In order to solve the technical problems, the invention comprises the following technical scheme:
a safety construction method of a hoistway elevator, wherein a climbing frame and a construction elevator are arranged in the hoistway, the construction method comprising:
step one, transporting a construction elevator assembly into a well, and erecting a protection device above a construction elevator installation area in the well;
installing a construction elevator in an area below the protection device, wherein the construction elevator comprises an elevator car, a truss structure arranged above the elevator car, and a protection structure arranged on the truss structure; synchronously constructing a climbing frame above the protection device;
and thirdly, after the construction elevator is assembled, the climbing frame is installed and the bottom of the climbing frame is closed, the supporting scaffold, the horizontal steel beam and the protecting device are removed, and the protecting structure on the truss structure provides safety protection for the construction elevator.
Further, the protection device comprises a plurality of inclined strut steel pipes, a plurality of horizontal steel pipes and a protection layer which are arranged at intervals, wherein one higher end of each inclined strut steel pipe is supported on a wall body of a well, the other end of each inclined strut steel pipe extends out of an elevator door and is supported on a horizontal structure outside the elevator door, and each inclined strut steel pipe is clamped on the inner side of the elevator door through one horizontal steel pipe; the horizontal steel pipe is fixed on the diagonal bracing steel pipe, and the protective layer is arranged on the horizontal steel pipe.
Further, the protective layer is a fully paved wood template.
Further, in the second step, the construction of the climbing frame comprises the following steps:
a temporary scaffold is erected above the diagonal bracing steel pipe;
installing a horizontal steel beam above the temporary scaffold, wherein two ends of the horizontal steel beam are respectively fixed with walls on two sides of a well;
erecting a supporting scaffold above the horizontal steel beam, and dismantling a temporary scaffold below the horizontal steel beam;
the climbing frame is installed by using the supporting scaffold.
Further, the truss structure is a steel structure, the bottom of the truss structure is fixedly connected with the top of the elevator car, and the protection structure is a steel template or an aluminum template.
Further, the bottom of the climbing frame is provided with an inner cantilever plate and a turning plate.
Compared with the prior art, the invention has the following advantages and positive effects due to the adoption of the technical scheme: in the construction stage, the built protection device is utilized to ensure that the construction elevator and the climbing frame can synchronously construct; in the operation stage, the safety protection is provided through a protection structure on the construction elevator, and the falling object is prevented from directly smashing the elevator car in the middle of the elevator. The construction method can avoid the problems of complex construction procedures, low efficiency and safety risk caused by repeated installation and dismantling of the existing safety protection device.
Drawings
Fig. 1 is a flow chart of a method of safety construction of a hoistway elevator;
fig. 2 is a schematic diagram of an elevator assembly hoist;
FIG. 3 is a schematic view of a protective device;
FIG. 4 is an enlarged view of region G of FIG. 3;
FIG. 5 is a diagram of the positional relationship of the guard, temporary scaffolding and horizontal steel beams;
FIG. 6 is a schematic view of a climbing frame installation;
fig. 7 is a schematic view of a construction elevator and a climbing frame.
The labels in the figures are as follows:
1-a hoistway; 2-a wall body; 3-elevator assembly; 4-elevator doors; 5-an elevator door outside horizontal structure;
10-a protective device; 11-bracing a steel pipe; 12-horizontal steel pipes; 13-a protective layer;
20-temporary scaffold; 21-horizontal steel beams; 22-supporting scaffolds;
30-construction elevator; 31-elevator car; 32-truss structure, 33-guard structure;
40-climbing frame; 41-inner cantilever plate and turning plate.
Detailed Description
The following describes the safety construction method of the hoistway elevator in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
As shown in fig. 1 to 7, the present embodiment provides a safe construction method for a hoistway elevator, in which a climbing frame 40 and a construction elevator 30 are disposed in the hoistway 1, and the construction method includes:
step one, as shown in fig. 1 to 3, the construction elevator assembly 3 is transported into the hoistway 1, and a protection device 10 is installed above the construction elevator installation area in the hoistway 1.
The hoistway 1 needs to be constructed to a certain height to install the climbing frame 40 and the construction elevator 30. For example, the underground structure has four floors, the construction of the hoistway wall 2 can be performed by adopting a mode of erecting a scaffold to support the template, concrete pouring is performed, after the construction is performed to a preset height (such as the same level as the ground), the scaffold is removed, and then the elevator assembly 3 is lifted into the hoistway 1 from above.
As shown in fig. 1, 3 and 4, the protection device 10 includes a plurality of diagonal bracing steel pipes 11, a plurality of horizontal steel pipes 12 and a protection layer 13 that are arranged at intervals, one end of the diagonal bracing steel pipe 11 that is higher is supported on the hoistway wall 2, the other end extends out of the elevator door 4 and is supported on the elevator door outer horizontal structure 5, and the diagonal bracing steel pipe 11 is clamped inside the elevator door through one horizontal steel pipe 12. The horizontal steel pipe 12 is arranged on the diagonal bracing steel pipe 11 and can be fixed through a clamp. By way of example, the protective layer 13 is a fully laid wood form.
Step two, as shown in fig. 1, 6 and 7, installing a construction elevator 30 in the area below the protection device 10, wherein the construction elevator 30 comprises an elevator car 31, a truss structure 32 arranged above the elevator car 31, and a protection structure 33 arranged on the truss structure 32; the climbing frame 40 is constructed above the guard 10 synchronously.
The construction elevator 30 in this embodiment has a safety protection function, and can block falling objects above by the protection structure 33 provided above the truss structure 32. As an example, the protective structure 33 is a steel template or an aluminum template, and the protective structure 33 is provided with a fence.
Step three, referring to fig. 1, 6 and 7, after the construction elevator 30 is assembled, the climbing frame 40 is installed and the bottom of the climbing frame 40 is closed, the supporting scaffold 22, the horizontal steel beam 21 and the protecting device 10 are removed, and the protecting structure 33 on the truss structure 32 provides safety protection for the construction elevator 30.
Further, in the second step, the construction of the climbing frame 40 includes the following steps: as shown in fig. 5 and 6, a temporary scaffold 20 is erected above the diagonal bracing steel pipe 11; a horizontal steel beam 21 is arranged above the temporary scaffold 20, and two ends of the horizontal steel beam 21 are respectively fixed with the wall bodies 2 at two sides of the well 1; erecting a supporting scaffold 22 above the horizontal steel beam 21, and dismantling a temporary scaffold 20 below the horizontal steel beam 21; the climbing frame 40 is mounted using the support scaffolding 22.
Further, an inner cantilever plate and a turning plate 41 are arranged at the bottom of the climbing frame 40, so that falling objects above the climbing frame are prevented from falling.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (4)
1. A safety construction method of a hoistway elevator, characterized in that a climbing frame and a construction elevator are arranged in the hoistway, the construction method comprising:
step one, transporting a construction elevator assembly into a well, and erecting a protection device above a construction elevator installation area in the well;
installing a construction elevator in an area below the protection device, wherein the construction elevator comprises an elevator car, a truss structure arranged above the elevator car, and a protection structure arranged on the truss structure; synchronously constructing a climbing frame above the protection device;
step three, after the construction elevator is assembled, the climbing frame is installed and the bottom of the climbing frame is closed, the supporting scaffold, the horizontal steel beam and the protecting device are disassembled, and the protecting structure on the truss structure provides safety protection for the construction elevator;
the protective device comprises a plurality of inclined strut steel pipes, a plurality of horizontal steel pipes and a protective layer, wherein the inclined strut steel pipes are arranged at intervals, one higher end of each inclined strut steel pipe is supported on a wall body of a well, the other end of each inclined strut steel pipe extends out of an elevator door and is supported on a horizontal structure outside the elevator door, and each inclined strut steel pipe is clamped on the inner side of the elevator door through one horizontal steel pipe; the horizontal steel pipe is fixed on the diagonal bracing steel pipe, and the protective layer is arranged on the horizontal steel pipe;
in the second step, the construction of the climbing frame comprises the following steps:
a temporary scaffold is erected above the diagonal bracing steel pipe;
installing a horizontal steel beam above the temporary scaffold, wherein two ends of the horizontal steel beam are respectively fixed with walls on two sides of a well;
erecting a supporting scaffold above the horizontal steel beam, and dismantling a temporary scaffold below the horizontal steel beam;
the climbing frame is installed by using the supporting scaffold.
2. The method of claim 1, wherein the safety construction of the hoistway elevator is performed,
the protective layer is a fully-paved wood template.
3. The method of claim 1, wherein the safety construction of the hoistway elevator is performed,
the truss structure is a steel structure, the bottom of the truss structure is fixedly connected with the top of the elevator car, and the protection structure is a steel template or an aluminum template.
4. The method of claim 1, wherein the safety construction of the hoistway elevator is performed,
the climbing frame bottom is provided with interior cantilever plate and turns over the board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611980.5A CN114380179B (en) | 2021-12-27 | 2021-12-27 | Safety construction method of hoistway elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611980.5A CN114380179B (en) | 2021-12-27 | 2021-12-27 | Safety construction method of hoistway elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114380179A CN114380179A (en) | 2022-04-22 |
| CN114380179B true CN114380179B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111611980.5A Active CN114380179B (en) | 2021-12-27 | 2021-12-27 | Safety construction method of hoistway elevator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204627016U (en) * | 2015-05-13 | 2015-09-09 | 巨人通力电梯有限公司 | A kind of crown protective device of the car sedan-chair top without scaffold construction elevator |
| CN205894640U (en) * | 2016-08-12 | 2017-01-18 | 河北建工集团有限责任公司 | A safety protection and construction platform for construction of elevator well |
| CN209052240U (en) * | 2018-11-16 | 2019-07-02 | 中建三局集团有限公司 | A kind of tool for super high-rise building duplex elevator vertical transport |
| CN113047594A (en) * | 2021-03-18 | 2021-06-29 | 中国十七冶集团有限公司 | Movable climbing frame for elevator shaft and erection method thereof |
| CN215101404U (en) * | 2021-07-13 | 2021-12-10 | 中国建筑第二工程局有限公司 | Construction elevator mounting structure in well |
-
2021
- 2021-12-27 CN CN202111611980.5A patent/CN114380179B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204627016U (en) * | 2015-05-13 | 2015-09-09 | 巨人通力电梯有限公司 | A kind of crown protective device of the car sedan-chair top without scaffold construction elevator |
| CN205894640U (en) * | 2016-08-12 | 2017-01-18 | 河北建工集团有限责任公司 | A safety protection and construction platform for construction of elevator well |
| CN209052240U (en) * | 2018-11-16 | 2019-07-02 | 中建三局集团有限公司 | A kind of tool for super high-rise building duplex elevator vertical transport |
| CN113047594A (en) * | 2021-03-18 | 2021-06-29 | 中国十七冶集团有限公司 | Movable climbing frame for elevator shaft and erection method thereof |
| CN215101404U (en) * | 2021-07-13 | 2021-12-10 | 中国建筑第二工程局有限公司 | Construction elevator mounting structure in well |
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| Publication number | Publication date |
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| CN114380179A (en) | 2022-04-22 |
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