CN117846272A - Telescopic combined elevator shaft protection platform and construction method thereof - Google Patents

Telescopic combined elevator shaft protection platform and construction method thereof Download PDF

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Publication number
CN117846272A
CN117846272A CN202410002969.6A CN202410002969A CN117846272A CN 117846272 A CN117846272 A CN 117846272A CN 202410002969 A CN202410002969 A CN 202410002969A CN 117846272 A CN117846272 A CN 117846272A
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CN
China
Prior art keywords
main beam
pedal
fixing frame
telescopic
clamping seat
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Pending
Application number
CN202410002969.6A
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Chinese (zh)
Inventor
王敏
祁迪
都业亮
梁晔华
钱佳诚
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Publication date
Application filed by China Construction Second Engineering Bureau Co Ltd filed Critical China Construction Second Engineering Bureau Co Ltd
Priority to CN202410002969.6A priority Critical patent/CN117846272A/en
Publication of CN117846272A publication Critical patent/CN117846272A/en
Pending legal-status Critical Current

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Abstract

The invention provides a telescopic combined elevator hoistway protection platform and a construction method thereof, wherein the platform comprises a main beam, the main beam adopts double-row I-steel, is welded into a whole through a middle transverse strut, is provided with a telescopic claw arm at the front end, a fixing frame at the rear end, a universal pedal is paved in the middle of the top surface, and a top pedal and a side pedal which are arranged front and back are arranged on the side edge of the top surface; the telescopic claw arm is arranged in the square tube at the front end of the main beam in a drawing way, so that the whole main beam assembly is adjustable to be suitable for different shafts. The protection platform can adapt to the sizes of elevator shafts with different sizes. A set of protection platform equipment can be used for turnover of a plurality of projects, and waste of materials is reduced. And in the construction process, standardized customization is adopted, and an integral assembly design is adopted. Compared with the traditional process, the steel pipe support is not required to be erected, the assembly and disassembly speed is high, and the assembly precision is high. The platform is made of high-strength steel, has good durability, can bear 1.2t heavy load after being integrally assembled, and is safer and more reliable than the platform erected by the traditional process.

Description

Telescopic combined elevator shaft protection platform and construction method thereof
Technical Field
The invention relates to the technical field of elevator hoistway protection platforms, in particular to a telescopic combined elevator hoistway protection platform and a construction method thereof.
Background
The reduction of carbon emissions and the guidance of green technological innovation are becoming the main development trend of the building industry. The construction method is an important construction mode for carbon emission reduction by using safe and efficient construction technology, energy-saving and environment-friendly construction materials instead of the traditional construction technology. The elevator well protection is an important content of high-rise building construction safety control, and a traditional elevator well protection process adopts a template and steel pipes to be erected, and for some high-rise projects, a steel pipe scaffold is highly limited and overhanging section steel needs to be arranged. The traditional mode of setting up the steel pipe protection frame construction speed is slow, and fail safe nature is poor, but turnover rate is low, causes artifical, the waste of material.
Disclosure of Invention
In order to solve the problems, the invention discloses a telescopic combined elevator hoistway protection platform and a construction method thereof; wherein the hoistway protection platform is adaptable to different sized hoistway sizes. A set of protection platform equipment can be used for turnover of a plurality of projects, and waste of materials is reduced. And in the construction process, standardized customization is adopted, and an integral assembly design is adopted. Compared with the traditional process, the steel pipe support is not required to be erected, the assembly and disassembly speed is high, and the assembly precision is high. The platform is made of high-strength steel, has good durability, can bear 1.2t heavy load after being integrally assembled, and is safer and more reliable than the platform erected by the traditional process.
The specific scheme is as follows:
telescopic combined elevator well protection platform, its characterized in that: the novel double-row I-shaped steel combined type lifting device comprises a main beam, wherein the main beam is made of double-row I-shaped steel and is welded into a whole through a middle transverse strut, so that the overall structure is higher in stable strength, a telescopic claw arm is arranged at the front end of the main beam, a fixing frame is arranged at the rear end of the main beam, a universal pedal is paved in the middle of the top surface, and a top pedal and a side pedal which are arranged front and back are arranged on the side edge of the top surface; the telescopic claw arm is arranged in a square tube at the front end of the main beam in a drawing way, so that the whole main beam assembly is adjustable and is suitable for different shafts. The pedal and the main beam, the pedal and the pedal are connected into a whole in an occlusion assembly mode, so that the pedal is not an independent individual any more, the impact of falling heavy objects can be better resisted, and the surface of the platform has small shaking and no side turning tendency and is very stable. The length can be adjusted according to the well to prevent turning on one's side, locks with the wedge, and it is convenient to install to can effectively prevent the platform to turn on one's side. The top pedal and the side pedal can effectively reduce the gap between the platform and the well, and the side pedal connects all pedals together, so that the overall rigidity is improved, and the platform is firmer.
As a further improvement of the invention, the fixing frame is rotationally connected with the main beam, and the bottom of the fixing frame is provided with a clamping seat; the front end of the telescopic claw arm is provided with a claw.
As a further improvement of the present invention, there is provided an installation process and a removal process, the installation process comprising, in order: placing a fixing frame, a mounting clamping seat, a main beam fixing claw, a main beam inserting claw, a main beam fixed in a well, a splicing pedal and a top mounting fixing block; the dismantling process sequentially comprises the following steps: loosening the claw limit, loosening the fixed block, removing the pedal, pulling out the main beam, loosening the adjusting nut, removing the clamping seat and removing the fixing frame.
As a further improvement of the invention, in the placement fixing frame, the placement of the fixing frame is adjusted according to the size of a hoistway door opening, so that the placement fixing frame is ensured to be positioned at the center of the door opening; and if the attached length is insufficient, the welding is lengthened, so that each side of the attached length of the fixing frame to the wall is not less than 200mm.
As a further improvement of the invention, in the mounting clamping seat, the clamping seat and the fixing frame are fastened and fixed by adopting a single side of a screw nut, three screw holes are formed in the fixing frame, the clamping seat is selected according to the holes in actual operation, and the front and rear positions of the clamping seat can be adjusted through screw rods.
As a further improvement of the invention, in the main beam fixing claw, a claw square steel pipe is inserted into a main beam square steel pipe, and is fastened by a screw after being regulated to a proper length; before installation, the length of the jaw extending pair is adjusted to be fixed at a proper position according to the length of the hole, and the jaw at the top of the jaw is limited and closed.
As a further improvement of the invention, the main beam is inserted into the clamping seat, the arc notch at the bottom of the main beam is inserted into the circular rotating shaft of the clamping seat, the main beam is ready to be placed, the inserted position of the main beam is centered and vertical, and two I-steel beams are kept parallel; in the fixed girder in the well, a hook is hooked on the opening of the upper edge of the girder I-steel before the girder is placed, and an installer slowly falls down outside the opening until the claw is firmly clamped on the opposite wall; in the spliced pedal, the pedal is installed from a clamping seat to a clamping jaw, an iron sheet is welded at the lower edge of a pedal framework, and the iron sheet is clamped on the upper pedal framework during installation; the last pedal is a foldable pedal, is installed in a folded state, and is unfolded after the top fixing block is screwed up; in the top installation fixed block, the fixed block is installed at the bottom folding position of the last step, so that the compact splicing of the step plates is ensured.
As a further improvement of the invention, in the releasing claw limit, after the claw limit is released, the claw is in a movable state, but the claw still ensures the supporting function due to the load function on the upper part; loosening the fixing block, and loosening the screw of the fixing block after closing the last pedal, wherein the fixing block is prevented from falling off when loosening.
As a further improvement of the invention, in the dismantling steps, when the steps are longer, more than two persons perform dismantling operations, and the dismantled steps are transported out of the hole perpendicular to the direction of the inlet of the hole; in the pulled-out girder, after a step plate is removed, a hook is hooked at an opening on the upper edge of the girder I-steel; after all the steps are removed, removing personnel lift the main beam at the opening; and in the process of dismantling the clamping seat and dismantling the fixing frame, the clamping seat is pressed when the adjusting nut is loosened, so that the clamping seat is prevented from falling off when the nut is loosened.
The invention has the beneficial effects that:
(1) Convenient disassembly and assembly, short time consumption and light weight: the total weight of the distributed assembly structure is 88kg, the weight can be distributed to all parts, the average weight is less than 10kg for each sub-assembly, and the carrying difficulty of workers and the danger of field operation are greatly reduced. Each subassembly field installation is convenient, and is simple, and the experimental measurement installation time is about 5 minutes, and the dismantlement time is about 8 minutes, and is efficient.
(2) Large bearing capacity and strong stability: the girder adopts double I-steel structure (side open lightening hole), has both alleviateed weight and has not weakened intensity, and the bearing is above 1500kg (on-spot actual measurement), and footboard adopt interlock assembly mode, link into a whole with it, no longer be independent individual, can resist the heavy object impact that 10 meters falls completely, and the platform surface does not have any tendency of rocking, turning on one's side, even the people can not appear trembling sign at platform corner jump, very steady.
(3) Intelligent regulation: the fixing frame is of a porous structure, and the width between the two main beams can be automatically adjusted according to the width of the door opening, so that the optimal stable position is achieved. The telescopic claw arm can lengthen the length of the main beam according to the size of a well, thereby realizing the bidirectional adjustment of the length and the width of the main beam.
Drawings
Fig. 1 is a schematic structural view of a hoistway protection platform according to the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a flow chart of the installation process in the construction method of the invention.
FIG. 4 is a flowchart of the demolition process in the construction method of the present invention.
List of reference numerals:
the device comprises a main beam 1, a clamping seat 2, a fixing frame 3, a clamping jaw 4, a telescopic claw arm 5, a general pedal 6, a top pedal 7 and a side pedal 8.
Description of the embodiments
The present invention is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the invention and not limiting the scope of the invention.
As shown in the figure, the invention provides a telescopic combined elevator hoistway protection platform, which comprises a main beam 1, wherein the main beam 1 adopts double-row I-steel and is welded into a whole through a middle transverse brace, so that the overall structure is higher in stable strength, the front end of the main beam is provided with a telescopic claw arm 5, the rear end of the main beam is provided with a fixing frame 3, the middle of the top surface is paved with a universal pedal 6, and the side edge of the top surface is provided with a top pedal 7 and a side pedal 8 which are arranged front and back; the telescopic claw arm 5 is arranged in a square tube at the front end of the main beam 1 in a drawing way, so that the whole main beam assembly is adjustable to be suitable for different shafts. The pedal and the main beam, the pedal and the pedal are connected into a whole in an occlusion assembly mode, so that the pedal is not an independent individual any more, the impact of falling heavy objects can be better resisted, and the surface of the platform has small shaking and no side turning tendency and is very stable. The length can be adjusted according to the well to prevent turning on one's side, locks with the wedge, and it is convenient to install to can effectively prevent the platform to turn on one's side. The top pedal and the side pedal can effectively reduce the gap between the platform and the well, and the side pedal connects all pedals together, so that the overall rigidity is improved, and the platform is firmer.
In the embodiment, a fixing frame 3 is rotatably connected with a main beam 1, and the bottom of the fixing frame is provided with a clamping seat 2; the front end of the telescopic claw arm 5 is provided with a claw 4.
The invention also provides a construction method of the telescopic combined elevator hoistway protection platform, which comprises an installation process and a dismantling process, wherein the installation process sequentially comprises the following steps: placing a fixing frame, a mounting clamping seat, a main beam fixing claw, a main beam inserting claw, a main beam fixed in a well, a splicing pedal and a top mounting fixing block; the dismantling process sequentially comprises the following steps: loosening the claw limit, loosening the fixed block, removing the pedal, pulling out the main beam, loosening the adjusting nut, removing the clamping seat and removing the fixing frame.
In the embodiment, the fixing frame 3 is placed in the fixing frame, and the fixing frame is adjusted according to the size of the door opening of the well, so that the center position of the door opening is ensured; and if the attached length is insufficient, the welding is lengthened, so that each side of the attached length of the fixing frame 3 to the wall is not less than 200mm.
In this embodiment, in the installation cassette, cassette 2 adopts screw nut unilateral fastening fixed with mount 3, is equipped with three screw hole on the mount 3, selects according to the entrance to a cave during actual operation to use, and the front and back position can be adjusted through the screw lead screw to cassette 2.
In the embodiment, in a main beam fixing claw, a claw square steel pipe is inserted into a main beam 1 square steel pipe, and is fastened by a screw after being regulated to a proper length; before installation, the length of the extending pair of the clamping claws 4 is adjusted to be fixed at a proper position according to the length of the hole, and the clamping claws at the top of the clamping claws 4 are limited and closed.
In the embodiment, the main beam is inserted into the clamping seat, the arc notch at the bottom of the main beam 1 is inserted into the circular rotating shaft of the clamping seat 2, the main beam 1 is ready to be placed, the inserted position of the main beam 1 is centered and vertical, and two I-steel beams are kept parallel; in the fixed girder in the well, before placing girder 1 with the hook catch on the opening part of girder 1I-steel upper edge, installer slowly falls in the entrance to a cave outside, until jack catch 4 firmly blocks on opposite wall body.
In the embodiment, in the spliced pedal, the pedal is installed from the clamping seat 2 to the clamping jaw 4, the lower edge of the pedal skeleton is welded with an iron sheet, and the iron sheet is clamped on the upper pedal skeleton during installation; the last pedal is a foldable pedal, the last pedal is installed in a folded state, and the last pedal is unfolded after the top fixing block is screwed up.
In the embodiment, the fixing block is arranged at the top and the bottom folding part of the last step, so that the compact splicing of the step plates is ensured.
In the embodiment, in the process of loosening the jaw limit, after the jaw limit is loosened, the jaw 4 is in a movable state, but the jaw 4 still ensures a supporting effect due to the load effect on the upper part; loosening the fixing block, and loosening the screw of the fixing block after closing the last pedal, wherein the fixing block is prevented from falling off when loosening.
In the embodiment, in the step dismantling process, when the step is longer, more than two persons carry out the dismantling operation, and the dismantled step is transported out of the hole perpendicular to the direction of the inlet of the hole; pulling out the girder, and after removing a step plate, hooking the hook at the opening of the upper edge of the I-steel of the girder 1; after all steps are removed, removing personnel lift the main beam 1 at the opening; in the process of removing the clamping seat and the fixing frame, the clamping seat 2 is pressed when the adjusting nut is loosened, so that the clamping seat 2 is prevented from falling off when the nut is loosened.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims (9)

1. Telescopic combined elevator well protection platform, its characterized in that: the novel transverse support comprises a main beam (1), wherein the main beam (1) is made of double-row I-steel and is welded into a whole through a middle transverse support, a telescopic claw arm (5) is arranged at the front end of the main beam, a fixing frame (3) is arranged at the rear end of the main beam, a universal pedal (6) is laid in the middle of the top surface, and a top pedal (7) and a side pedal (8) which are arranged front and back are arranged on the side edge of the top surface; the telescopic claw arm (5) can be pulled and pulled to be placed in the square tube at the front end of the main beam (1).
2. The telescoping, combination elevator hoistway protection landing of claim 1, wherein: the fixing frame (3) is rotationally connected with the main beam (1), and the bottom of the fixing frame is provided with a clamping seat (2); the front end of the telescopic claw arm (5) is provided with a claw (4).
3. The construction method of the telescopic combined elevator shaft protection platform is characterized by comprising the following steps of: the method comprises an installation process and a dismantling process, wherein the installation process sequentially comprises the following steps: placing a fixing frame, a mounting clamping seat, a main beam fixing claw, a main beam inserting claw, a main beam fixed in a well, a splicing pedal and a top mounting fixing block; the dismantling process sequentially comprises the following steps: loosening the claw limit, loosening the fixed block, removing the pedal, pulling out the main beam, loosening the adjusting nut, removing the clamping seat and removing the fixing frame.
4. A method of constructing a telescopic combined hoistway protective landing as claimed in claim 3, wherein: in the placement fixing frame, the placement of the fixing frame (3) is adjusted according to the size of a hoistway door opening, so that the placement is ensured at the center of the door opening; and if the attached length is insufficient, the welding is lengthened, so that each side of the attached length of the fixing frame (3) to the wall is not less than 200mm.
5. A method of constructing a telescopic combined hoistway protective landing as claimed in claim 3, wherein: in the installation cassette, cassette (2) adopts screw nut unilateral fastening fixed with mount (3), is equipped with three screw hole on mount (3), selects according to the entrance to a cave during actual operation to use, and the front and back position can be adjusted through the screw lead screw to cassette (2).
6. A method of constructing a telescopic combined hoistway protective landing as claimed in claim 3, wherein: in the main beam fixing claw, a claw square steel pipe is inserted into a main beam (1) square steel pipe, and is fastened by a screw after being regulated to a proper length; before installation, the length of the extending pair of the clamping jaws (4) is adjusted to be fixed at a proper position according to the length of the hole, and the clamping jaws at the top of the clamping jaws (4) are limited and closed.
7. A method of constructing a telescopic combined hoistway protective landing as claimed in claim 3, wherein: the main beam is inserted into the clamping seat, an arc notch at the bottom of the main beam (1) is inserted into a circular rotating shaft of the clamping seat (2), the main beam (1) is ready to be placed, the inserted position of the main beam (1) is centered and vertical, and two I-shaped steels are kept parallel; in the fixed main beam in the well, a hook is hooked on an opening on the upper edge of the I-steel of the main beam (1) before the main beam (1) is placed, and an installer slowly falls down outside the opening until the clamping jaw (4) is firmly clamped on the opposite wall; in the spliced pedal, the pedal is installed from a clamping seat (2) to a clamping jaw (4), an iron sheet is welded at the lower edge of a pedal framework, and the iron sheet is clamped on the upper pedal framework during installation; the last pedal is a foldable pedal, is installed in a folded state, and is unfolded after the top fixing block is screwed up; in the top installation fixed block, the fixed block is installed at the bottom folding position of the last step, so that the compact splicing of the step plates is ensured.
8. A method of constructing a telescopic combined hoistway protective landing as claimed in claim 3, wherein: in the jaw loosening limiting process, after the jaw is limited and loosened, the jaw (4) is in a movable state, but the jaw (4) still ensures a supporting effect due to the load effect on the upper part; loosening the fixing block, and loosening the screw of the fixing block after closing the last pedal, wherein the fixing block is prevented from falling off when loosening.
9. A method of constructing a telescopic combined hoistway protective landing as claimed in claim 3, wherein: in the dismantling steps, when the steps are longer, more than two persons carry out dismantling operation, and the dismantled steps are transported out of the hole perpendicular to the inlet direction of the hole; in the pulled-out main beam, after a step plate is removed, a hook is hooked at an opening on the upper edge of the I-steel of the main beam (1); after all the steps are removed, removing personnel lift the main girder (1) at the opening; in the dismantling clamping seat and the dismantling fixing frame, the clamping seat (2) is pressed when the adjusting nut is loosened, and the clamping seat (2) is prevented from falling off when the nut is loosened.
CN202410002969.6A 2024-01-02 2024-01-02 Telescopic combined elevator shaft protection platform and construction method thereof Pending CN117846272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410002969.6A CN117846272A (en) 2024-01-02 2024-01-02 Telescopic combined elevator shaft protection platform and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410002969.6A CN117846272A (en) 2024-01-02 2024-01-02 Telescopic combined elevator shaft protection platform and construction method thereof

Publications (1)

Publication Number Publication Date
CN117846272A true CN117846272A (en) 2024-04-09

Family

ID=90534036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410002969.6A Pending CN117846272A (en) 2024-01-02 2024-01-02 Telescopic combined elevator shaft protection platform and construction method thereof

Country Status (1)

Country Link
CN (1) CN117846272A (en)

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