CN223893754U

CN223893754U - An adjustable lifting steel platform

Info

Publication number: CN223893754U
Application number: CN202423232117.0U
Authority: CN
Inventors: 王润宇; 李建; 张鹏宇; 董震; 丁鑫; 金日天; 漆昌勇; 徐立双; 李清; 杨仁
Original assignee: China Construction Technology Group East China Co ltd; China Construction Science and Technology Group Co Ltd
Current assignee: China Construction Technology Group East China Co ltd; China Construction Science and Technology Group Co Ltd
Priority date: 2024-12-26
Filing date: 2024-12-26
Publication date: 2026-02-10
Anticipated expiration: 2034-12-26

Abstract

An adjustable lifting steel platform belongs to the technical field of construction platform technology. This utility model includes a fixed platform and a top support mechanism. The fixed platform comprises a main frame formed by welding several channel steels. The top support mechanism includes a top support, an adjusting nut, and a lead screw. The lead screw is supported and installed by several fixed square tubes, which are fixedly installed within the channel steel grooves. The adjusting nut is sleeved on the outer end of the lead screw, and the top support is fixedly connected to the outer end face of the lead screw. This utility model controls the size of the steel platform by adjusting the length of the top support. The position and limit of the top support are positioned by adjusting the nut. It can be adjusted according to the size of the elevator shaft and can be reused in different projects. This utility model has strong safety and can reduce construction safety hazards. The connection method of this utility model is more reliable, and the overall integrity and safety are further improved. The application of this utility model's operating platform can greatly reduce construction intensity and minimize construction safety hazards.

Description

Adjustable promotes steel platform

Technical Field

The utility model belongs to the technical field of constructional engineering construction platforms, and particularly relates to an adjustable lifting steel platform.

Background

The traditional lifting steel platform has the following problems in the construction process:

1. The steel pipe scaffold built in the elevator shaft has lower safety coefficient and more potential safety hazards, such as instability of the scaffold body caused by no effective stress on the periphery of the steel pipe in the synchronous or same span of the longitudinal horizontal rod and the vertical rod butt joint, unbalanced stress and collapse.

2. The influence of external factors of the conventional lifting steel platform is large, for example, the lateral pressure exceeds a value when the template is set up and is not normally poured, the template is expanded, the lifting steel platform cannot be smoothly installed, the tilting phenomenon of the operation platform is easy to occur, the upper operation frame body is difficult to set up, holes are reserved in each layer of part of the conventional lifting platform, and the cost is increased due to later plugging.

3. The elevator is not affected by the size of the elevator shaft, the stress point of the steel lifting platform is changed through the adjustable oil support, and the cost can be saved for future adjustment and turnover.

4. When the engineering main body is constructed, the elevator shaft is easy to cause a safety accident, and a floor type or I-steel overhanging steel pipe scaffold is generally adopted, so that the elevator shaft has higher potential safety hazard, higher cost and inconvenient operation due to higher erection height.

Disclosure of utility model

Aiming at the problems in the background technology, the utility model provides a finalized adjustable steel section operation platform which has the advantages of safety, convenient operation, low cost and the like and can be suitable for elevator shafts with multiple moving sizes.

The adjustable lifting steel platform comprises a fixed platform and a jacking mechanism, wherein the fixed platform comprises a platform main frame formed by welding a plurality of channel steel, the jacking mechanism is arranged in channel steel grooves on two sides of the platform main frame, the jacking mechanism comprises jacking, an adjusting nut and a screw rod, the screw rod is supported and installed through a plurality of fixed square pipes, the fixed square pipes are fixedly installed in the channel steel grooves, the adjusting nut is sleeved at the outer end of the screw rod, and the jacking mechanism is fixedly connected to the outer end face of the screw rod.

The utility model has the beneficial effects that 1, the size of the steel platform is controlled by adjusting the length of the jacking, and the position and the limit of the jacking are positioned and supported by adjusting the nuts, so that the steel platform can be adjusted according to the size of an elevator shaft, and can be used in turnover in different projects. The utility model has strong safety and can reduce the potential safety hazard of construction. The installation process is more convenient, and project construction cost is reduced. The utility model has more reliable connection form and further improves the integrity and the safety. The application of the operation platform can greatly lighten the construction strength and reduce the potential safety hazards of construction. 2. The utility model changes the problem that the traditional steel pipe scaffold and the traditional steel platform lifting have higher material cost, and is not beneficial to long-term popularization and use of engineering turnover. In the aspect of improving efficiency, the installation time of the steel lifting platform is reduced, the labor cost is reduced, and the installation efficiency is integrally improved by 60%. In the aspect of safety performance, the elevator shaft is convenient for personnel to operate, and the safety performance of the steel platform and the upper operation frame body is improved. In the aspect of saving cost, the steel platform lifting can be realized.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model

Fig. 2 is a schematic structural view of a jacking mechanism according to the present utility model

Detailed Description

The following detailed description of specific embodiments of the utility model is given by way of illustration and explanation of the utility model, and is not to be construed as limiting the utility model in any way.

As shown in fig. 1, the utility model comprises a fixed platform 2 and a jacking mechanism 1, wherein the fixed platform 2 comprises a platform main frame formed by welding a plurality of channel steel, the jacking mechanism 1 is arranged in channel steel grooves on two sides of the platform main frame, the jacking mechanism 1 comprises a jacking 11, an adjusting nut 12 and a screw rod 14, the screw rod is supported and installed through a plurality of fixed square pipes 13, the fixed square pipes 13 are fixedly installed in the channel steel grooves, the adjusting nut is sleeved at the outer end of the screw rod, and the jacking 11 is fixedly connected with the outer end face of the screw rod. A plurality of main frame square tubes 22 which are transversely and longitudinally arranged are arranged in the frame of the main frame of the platform, and a steel plate 27 is laid on the top of the main frame of the platform. The platform main frame is supported and fixed through two support leg channel steel 23, and support leg channel steel 23 relatively sets up in the opposite side of jacking mechanism 1, and the bottom of support leg channel steel 23 with set up jacking mechanism 1 be connected with slant channel steel 24 between the bottom of channel steel, the centre of slant channel steel 24 and the top position connection support channel steel 25 of support leg channel steel 23. A frame square tube 26 is connected at the middle position between the two supporting leg channel steels 23. The jacking 11 is of a U-shaped structure, and the U-shaped opening faces to the outer side. The number of the fixed square pipes 13 is two, and the fixed square pipes 13 are welded and fixed with the channel steel. Round steel hanging rings 28 are fixedly connected to the front side and the rear side of the platform main frame.

As the preferred material of this embodiment, there are No. 100 channel-section steels, no. 20 round steel, 5cm square tube, form rectangle platform main frame through the welding through 4 pieces of 100 x 48 x 5.3 main frame channel-section steels, welding frame should guarantee in same horizontal plane, lie in main frame channel-section steel recess department interval 500mm-600mm and weld 50cm main frame square tube 8 preparation system pair internal support skeleton. The main frame is welded with a 10mm thick steel plate 9, and the jacking mechanism 1 consists of a 100mm jacking 11, a 48mm diameter adjusting nut 12 and a 600mm screw rod 14. 25mm 10mm 4mm fixed square pipe intervals are welded in grooves on two sides of a main frame channel steel 21 on two sides of a main frame respectively to serve as screw rod supporting fixing points, a jacking 11 is welded with a screw rod 14, and an adjusting nut 12 is sleeved and then placed in the square pipe. The whole body of the frame is manufactured by welding the 1500mm supporting channel steel 4, 3500mm inclined channel steel, 2800mm vertical channel steel 6, 150mm supporting leg channel steel 7 and the steel of the main frame groove 3 to form a tripod, and 1300mm frame square tubes are arranged on the inner side of the tripod. Round steel hanging rings with the diameter of 20mm are arranged on the main frame channel steel 21, and the horizontal two sides of each hanging ring are 200mm long and are welded on the surface of the main frame channel steel 21 in double-sided mode. The utility model solves the problem that the traditional steel pipe scaffold and the traditional steel platform lifting have higher material cost. The steel pipe fastener is easy to deform and damage after long-time use, relatively poor in safety, and high in safety and stability, is unfavorable for long-term popularization and use of engineering turnover, has poor turnover utilization rate of a traditional steel type operation platform, cannot be reused in different elevator shaft sizes, is adjustable by adopting the novel steel lifting platform, and has high rigidity, high safety and stability and good long-term economic benefit. The operation is convenient, the protection is safe, the construction operation and the safety protection in the elevator shaft are convenient by optimizing the support mode of the elevator shaft lifting type operation platform, and the engineering quality economic benefit is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The adjustable lifting steel platform is characterized by comprising a fixed platform (2) and a jacking mechanism (1), wherein the fixed platform (2) comprises a plurality of channel steels (21) which are welded to form a platform main frame, the jacking mechanism (1) is arranged in channel steel grooves on two sides of the platform main frame, the jacking mechanism (1) comprises jacking bolts (11), adjusting nuts (12) and screw rods (14), the screw rods are supported and installed through the plurality of fixed square pipes (13), the fixed square pipes (13) are fixedly installed in the channel steel grooves, the adjusting nuts are sleeved at the outer ends of the screw rods, and the jacking bolts (11) are fixedly connected to the outer end faces of the screw rods.

2. An adjustable lifting steel platform as claimed in claim 1, wherein a plurality of main frame square tubes (22) which are arranged transversely and longitudinally are arranged in the frame of the main frame of the platform, and steel plates (27) are paved on the top of the main frame of the platform.

3. The adjustable lifting steel platform as set forth in claim 2, wherein the main frame of the platform is supported and fixed by two leg channels (23), the leg channels (23) are oppositely arranged on the other side of the jacking mechanism (1), an oblique channel (24) is connected between the bottom of the leg channels (23) and the bottom of the channel provided with the jacking mechanism (1), and the middle of the oblique channel (24) and the top position of the leg channels (23) are connected with a supporting channel (25).

4. An adjustable lifting steel platform according to claim 3, characterized in that a frame square tube (26) is connected in the middle between two leg channels (23).

5. An adjustable lifting steel platform according to claim 4, wherein the jacking (11) is of U-shaped configuration with the U-shaped opening facing outwards.

6. The adjustable lifting steel platform as claimed in claim 1 or 5, wherein the number of the fixed square pipes (13) is two, and the fixed square pipes (13) are welded and fixed with the channel steel.

7. The adjustable lifting steel platform as set forth in claim 6, wherein round steel slings (28) are fixedly connected to the front and rear sides of the main frame of the platform.