Liftable protective shed for construction elevator in hoistway

By designing an adjustable protective canopy that can be fixed inside the elevator shaft using a tower crane, the problems of high construction difficulty, high risk, and low turnover efficiency of traditional elevator shaft protection facilities are solved, achieving efficient and safe elevator shaft protection.

CN223577597UActive Publication Date: 2025-11-21NO 1 CONSTR ENG CO LTD OF CHINA CONSTR THIRD ENG BUREAU CO LTD
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Patent Information

Application Number
CN202423072823.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-21
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Traditional elevator shaft protection facilities are difficult to construct, risky, and have low turnover efficiency, failing to meet the safety and efficiency requirements of high-rise building construction.

Method used

Design a liftable protective canopy, including a protective platform and a support frame. It is fixed in the elevator shaft using a tower crane and fixed to the edge of the lower building structure by a right-angle clamp formed by short corner rods and diagonal braces. The support platform abuts against the side wall of the upper structure, enabling rapid installation and relocation.

Benefits of technology

It achieves safety protection for elevator shafts, simplifies the installation process, improves construction efficiency, reduces manpower and material resources and construction period, and meets the needs of rapid construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building construction, and provides a liftable protective shed for a construction elevator in a hoistway, which comprises a protective platform and a support frame arranged below the protective platform; the supporting frame comprises a supporting platform, a vertical supporting rod, an inclined supporting rod and a clamping angle short rod. The supporting platform, the vertical supporting rods and the inclined supporting rods are connected to form a right triangle structure. The upper ends of the vertical supporting rod and the inclined supporting rod are connected to the two ends of the supporting platform respectively. The corner clamping short rod is connected to the joint of the lower ends of the inclined supporting rod and the vertical supporting rod, a right-angle bayonet with a downward opening is formed by the corner clamping short rod and the lower end of the inclined supporting rod, and the right-angle bayonet is used for abutting against the edge of a lower building structure; the end, connected with the inclined supporting rod, of the supporting platform is used for abutting against the side wall of the upper building structure. The protective shed can meet the requirements for rapid movement and reutilization, the problem that a scaffold needs to be disassembled and erected repeatedly in a traditional protective mode of the elevator shaft is solved, manpower and material resources are saved, the construction period is shortened, and rapid construction is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, and particularly relates to a liftable protective shed for construction elevators in hoistways. BACKGROUND

[0002] In recent years, with the acceleration of urbanization and the shortage of land resources, high-rise buildings have shown a thriving trend in the global range, which has brought new challenges and safety considerations to building construction. Among them, the elevator shaft is a high-risk area in the construction process. The traditional elevator shaft protection often uses cantilevered scaffolding, but the construction difficulty, high construction risk and low turnover efficiency of the cantilevered scaffolding are its inevitable pain points.

[0003] Based on the above industry development background and the current situation of elevator shaft protection, it has become a technical problem to be solved in the construction engineering industry to provide an elevator shaft protection facility with high safety factor, easy installation and convenient turnover. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the present application provides a liftable protective shed for construction elevators in hoistways, aiming to solve the safety protection problem of elevator shafts in the construction process of high-rise buildings, reduce the turnover period of the protective platform and improve the construction efficiency.

[0005] The utility model provides a liftable protective shed for construction elevators in hoistways, including protective platform and support frame setting in the below of protective platform, support frame includes support platform, vertical support rod, inclined support rod and corner clamp short pole, support platform, vertical support rod and inclined support rod are connected as right triangle structure, the upper end of vertical support rod and inclined support rod is connected in both ends of support platform respectively, the lower end of inclined support rod and vertical support rod is connected, corner clamp short pole is connected in the lower end intersection of inclined support rod and vertical support rod, and corner clamp short pole and the lower end of inclined support rod form the straight angle clamp opening downward, the straight angle clamp is used for abutting to the lower building structure edge, the one end of support platform is used for abutting to the upper building structure side wall with the connection of inclined support rod.

[0006] Further, the edge of the protective platform is hingedly connected with a cover plate.

[0007] Further, a lifting ring is arranged on the protective platform.

[0008] Further, patterned steel plates are arranged on the upper ends of the protective platform and the support platform.

[0009] Further, a plurality of support rods are connected between the protective platform and the support platform.

[0010] Furthermore, the building structure includes a crossbeam; the ends of the supporting platform and the protective platform near the diagonal brace both abut against the crossbeam.

[0011] Furthermore, both the support platform and the protective platform are constructed by welding main beams and secondary beams to form a rectangular structure.

[0012] The beneficial effects of this utility model are as follows: After the protective platform and support frame of the protective shed are welded together in one piece, they are transported into the elevator shaft using a tower crane. The lower part of the protective shed is fixed to the edge of the lower building structure through a right-angle clamp formed by the short corner rods and the bottom ends of the diagonal braces. One end of the support platform connected to the diagonal brace abuts against the side wall of the upper building structure, thereby reliably fixing the protective shed in the elevator shaft and completing the installation of the protective shed. When the current structural layer is completed, the protective shed can be moved up one floor using a tower crane. The protective shed can meet the needs of rapid movement and reuse, solving the pain points of traditional elevator shaft protection methods that require repeated disassembly and scaffolding erection, saving manpower, material resources and construction time, and facilitating rapid construction. Attached Figure Description

[0013] Figure 1 This is a structural schematic diagram of the liftable protective canopy for a construction elevator inside a shaft according to the present invention.

[0014] Figure 2 for Figure 1 A schematic diagram of the right-side view structure;

[0015] Figure 3 for Figure 1 A top-view structural diagram of the protective shed;

[0016] Figure 4 for Figure 1 A schematic diagram of the structure after the protective shed is installed.

[0017] In the diagram: 1-Protective platform; 2-Lifting ring; 3-Cover plate; 4-Secondary beam; 5-Supporting platform; 6-Vertical strut; 7-Angle short rod; 8-Diagonal strut; 9-Patterned steel plate; 10-Support rod; 11-Upper crossbeam; 12-Lower crossbeam. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] like Figures 1-4The illustrated one is used for hoistway construction elevator's liftable protection shed, including protection platform 1, a group of support frame is welded in the lower part of protection platform 1;Support frame is the right triangle structure that support platform 5, vertical support rod 6, inclined support rod 8 are formed. The top of support frame is provided with support platform 5, the side of support frame is the vertical surface that vertical support rod 6 is formed, the side of support frame in the vertical surface direction is the inclined surface that inclined support rod 8 is formed, and inclined support rod 8 extends from the end of support platform 5 to the bottom end of vertical surface.

[0020] Specifically, the bottom end outside of vertical support rod 6 is welded with corner clamping short rod 7, and the bottom end of inclined support rod 8 forms an opening downward right-angle socket, which makes the liftable protection shed clamped on the upper edge of lower crossbeam 12 in the construction state, thereby serving as the main stress point on the side of vertical surface;The end of support platform 5 connected with inclined support rod 8 abuts against the side wall of upper crossbeam 11, thereby serving as the main stress point on the side of inclined surface;Protection platform 1 is fixedly arranged on support platform 5 through vertical support rod 10;The liftable protection shed of the embodiment can be flexibly moved in the elevator shaft along with the update of construction layer, the manufacturing method of the protection shed is simple, the installation mode is convenient, the protection shed plays an effective protection on the construction equipment and personnel in the elevator shaft, avoids the risk of high-altitude falling object impact caused by upper construction layer, the protection shed is convenient to circulate, does not affect the progress of construction period, effectively reduces the air window period of elevator shaft protection, and improves the safety of elevator shaft in construction.

[0021] As shown in Figures 1 to 3 The cover plate 3 is fixedly arranged on the upper edge of the vertical surface side and its adjacent two sides of the protection platform 1 through the hinge shaft. The cover plate 3 can fill the gap between the edge of the protection shed and the inner wall of the elevator shaft, achieving closed shaft protection. Before lifting the protection shed, manually turn over and close the cover plate 3 to the inside of the protection shed, and after lifting the protection shed, manually put down the cover plate 3 to complete the platform closure.

[0022] Four symmetrical hoisting rings 2 are arranged on the top of the protection platform 1, which are convenient for fixing the steel wire rope when lifting the protection shed by the tower crane. The hoisting ring 2 is made of round steel, specifically hot-rolled round steel with a diameter of 20 mm, and the hoisting ring 2 is welded and fixed on the protection platform 1.

[0023] The protection platform 1 and the support platform 5 are welded to form a rectangular structure with channel steel as the main beam and square steel as the secondary beam. Specifically, the channel steel is type 12 channel steel, and the square steel is 40*60 rectangular steel pipe.

[0024] The upper end surface of the protection platform 1 and the support platform 5 is fully paved with patterned steel plate 9, the thickness of the patterned steel plate 9 is 2.5 to 4 mm, specifically 3 mm, and the patterned steel plate 9 is welded and fixed with the main beam and secondary beam of the protection platform 1 and the support platform 5.

[0025] The vertical support rod 6 is vertically installed on one side of the support frame. The top of the vertical support rod 6 is welded and fixed to one side of the support platform 5. The vertical support rod 6 is made of channel steel, specifically 12 type channel steel.

[0026] The diagonal brace 8 is installed along the entire length of the support frame, and its two ends are welded to the lower end of the vertical brace 6 and the opposite end of the vertical brace 6 on the support platform 5, respectively. The diagonal brace 8 is made of channel steel, specifically 12 type channel steel.

[0027] Four support rods 10 are installed on the support platform 5 to support the protective platform 1. The support rods 10 are vertically installed below each corresponding lifting ring 2. The upper and lower ends of the support rods 10 are welded to the intersection of the secondary beams of the protective platform 1 and the support platform 5, respectively, to provide stable support. The support rods 10 are made of channel steel, specifically type 12 channel steel.

[0028] like Figure 1 , Figure 4 As shown, a short angle bracket 7 is welded to the outer side of the bottom end of the vertical support rod 6. The short angle bracket 7 and the bottom end of the diagonal support rod 8 form a right-angle bracket, and the protective canopy can be fixedly installed on the lower crossbeam 12 through the right-angle bracket.

[0029] The protective canopy in this embodiment has a simple and effective structure, using materials commonly found on construction sites, making it easy to fabricate on-site. The canopy is easy to install; it can be lifted to a designated location within the elevator shaft using a tower crane, with the upper part abutting against the inner wall of the building structure and the lower part snapping against the edge of the building structure for effective fixation. The canopy is easy to move around, requiring no disassembly or assembly of any parts; it can be lifted within the elevator shaft using a tower crane. The protective platform 1 and the support platform 5 have identical structures. The upper protective platform 1 acts as a buffer during effective protection, providing double insurance with the support platform 5 and enhancing the safety of the protective canopy.

[0030] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A liftable protective canopy for construction elevators inside shafts, characterized in that, The system includes a protective platform and a support frame located below the protective platform. The support frame includes a support platform, vertical struts, diagonal struts, and corner braces. The support platform, vertical struts, and diagonal struts are connected in a right-angled triangular structure. The upper ends of the vertical struts and diagonal struts are respectively connected to the two ends of the support platform. The lower ends of the diagonal struts and vertical struts intersect and connect. The corner brace is connected to the lower ends of the diagonal struts and vertical struts, and the corner brace and the lower end of the diagonal strut form a downward-opening right-angle latch, which is used to abut against the edge of the lower building structure. The end of the support platform connected to the diagonal strut is used to abut against the side wall of the upper building structure.

2. The liftable protective canopy for a construction elevator inside a shaft according to claim 1, characterized in that, The protective platform is hinged to a cover plate at its edge.

3. A liftable protective canopy for a construction elevator inside a shaft, as described in claim 1, is characterized in that... The protective platform is equipped with lifting rings.

4. A liftable protective canopy for a construction elevator inside a shaft according to claim 1, characterized in that, The upper ends of the protective platform and the supporting platform are respectively covered with patterned steel plates.

5. A liftable protective canopy for a construction elevator inside a shaft according to claim 1, characterized in that, Multiple support rods connect the protective platform and the support platform.

6. A liftable protective canopy for a construction elevator inside a shaft according to claim 1, characterized in that, The building structure includes a crossbeam; the end of the support platform and the protective platform closest to the diagonal brace both abut against the crossbeam.

7. A liftable protective canopy for a construction elevator inside a shaft according to claim 1, characterized in that, Both the support platform and the protective platform are constructed by welding main beams and secondary beams to form a rectangular structure.