CN205476401U - Elevator well type steel protection construction platform - Google Patents

Abstract

The utility model relates to the technical field of elevator shaft construction, in particular to an elevator shaft steel protection construction platform, including a platform and a support frame, the support frame is a triangular structure spliced by section steel, and one side of the triangular structure is fixed to the platform Connect to form a vertical platform structure. Two parallel triangular support frames of the same size are arranged under the platform. The side leans against the wall of the elevator shaft to form a stable construction platform structure. The elevator shaft steel protection construction platform is provided with a lifting device and the size of the platform is adapted to the size of the elevator shaft. The utility model solves the problem of repeated laying and repeated dismantling of using floor scaffolding or cantilevered I-beam as an operating platform, saves a lot of labor and materials, reduces the frequency of use of machines and tools, and reduces wear and tear.

Description

An elevator shaft steel protective construction platform

technical field

The utility model relates to the technical field of elevator shaft construction, in particular to an elevator shaft steel protection construction platform.

Background technique

In recent years, with the rapid development of my country's economic construction, high-rise and super high-rise buildings in the construction industry have also developed rapidly. The use of elevators has become more and more common. During the construction of high-rise and super high-rise buildings, the inside of the elevator shaft Shear wall construction has become an important part of shaft construction.

At present, when carrying out the construction of the shear wall formwork inside the elevator shaft of high-rise and super high-rise buildings, in order to facilitate the installation and removal of the formwork by the construction personnel and the quality control and inspection and acceptance of the elevator shaft formwork installation, various operating platforms will be built. The operating platform is generally floor scaffolding or cantilevered I-beam operating platform.

No matter using the floor-standing scaffolding as the operation platform or the cantilevered I-beam operation platform, it is necessary to set up floor-to-ceiling scaffolding or use pre-embedded facilities and structural beams to build the cantilevered I-beam during the operation of each section of the elevator shaft formwork. Steel is used as the operating platform, and the erected operating platform is used to carry out work such as the installation and dismantling, control, inspection and acceptance of the formwork. After these tasks are completed, the operating platform needs to be dismantled, and then a floor-to-ceiling scaffold or scaffolding is re-established in the next section of the elevator shaft. The operation of the cantilevered I-beam operating platform has the problem of repeated laying and repeated dismantling of the operating platform, which causes a great waste of labor, materials, and machines and tools, and also has a great impact on the construction progress.

Utility model content

The purpose of the invention of the present utility model is to solve the problem of repeated laying and repeated dismantling of floor scaffolding or cantilevered I-beam as the operating platform during the construction of the shear wall formwork inside the elevator shaft of high-rise and super high-rise buildings, and provide A steel protection construction platform for an elevator shaft, which fully utilizes shear walls or structural beams, can be easily installed in the elevator shaft, and is used as a construction work platform for the shear wall formwork inside the elevator shaft. The production is simple, and it is very convenient to set up and dismantle, and it is also very fast to put it into use again after dismantling, which saves a lot of labor and materials, reduces the frequency of use of machines and tools, and reduces wear and tear.

In order to achieve the above object, the technical solution adopted by the utility model is:

A type steel protective construction platform for an elevator shaft, including a platform and a support frame, the support frame is a triangular structure spliced by section steel, one side of the triangular structure is fixedly connected with the platform to form a vertical platform structure, and the platform is arranged under the platform There are two parallel triangular support frames with the same size, the lower part of the triangular support frame is also provided with a lifting device for leaning the construction platform in the elevator shaft, and the triangular support frame leans against the side of the elevator shaft through the lifting device , the platform tilts to the other side and leans against the elevator shaft wall to form a stable construction platform structure. The size of the elevator shaft steel protection construction platform is adapted to the elevator shaft size, and the elevator shaft steel protection construction platform There are hoisting devices for attaching the spreader.

The platform is used as a work place for construction personnel. Two triangular support frames parallel to each other and of the same size are arranged under the platform. The triangular support frames support and connect the platform. The two triangular support frames are fixedly connected to the platform to form a For the vertical construction platform, the lifting device provided at the lower part of the triangular support frame can be used to lean against one side of the elevator shaft, and the platform leans to the other side to lean against the wall of the elevator shaft to form a stable construction platform structure. The protective construction platform is used for the construction of the shear wall formwork inside the elevator shaft. After the installation, control, inspection and acceptance of the formwork are completed, the elevator shaft-shaped steel protective construction platform is hoisted and placed in the upper elevator shaft as a whole. Carrying out the construction of the shear wall formwork inside the elevator shaft does not need to be installed and dismantled separately, which greatly saves labor, materials and machines, and improves the construction progress.

As a preferred solution of the present utility model, the platform includes a flat plate and a connecting frame, the connecting frame is a square platform structure formed by channel steel tailor welding, the flat plate is welded and fixed on the connecting frame, the size of the flat plate and the connecting frame The size of the support frame is a triangular support frame structure, including main beams, columns and stays. Connect to the skeleton. The connecting frame is used to fix the flat plate, and the flat plate is used as the platform table, which is flat and easy to carry out construction work on it, and the support frame needs to bear all the weight load on the platform, so it is very suitable to use a triangular support frame with a triangular shape.

As a preferred solution of the present utility model, the material of the flat plate is a checkered plate, the material of the main beam, the column and the diagonal stay is channel steel, and a support rib is also arranged on the diagonal stay of the triangular support frame. , the other end of the supporting rib is fixed at the joint between the main beam and the column. The supporting ribs enhance the stability of the triangular support frame and divide the triangular support frame into two triangular structures with stabilizing effects.

As a preferred solution of the present utility model, a connecting channel steel is used for fixed connection between the two triangular support frames. The connecting channel steel is used to connect the two triangular support frames, so that the platform is better supported, more stable, and the weight load support strength is improved.

As a preferred solution of the present utility model, the lifting device is a supporting bracket used to make the steel protection construction platform of the elevator shaft lean against the wall of the elevator shaft, and the supporting bracket is installed on the column of the triangular support frame, near the bottom of the column . The support bracket is used as a vertical support for the entire elevator shaft shaped steel operating platform, and is used for leaning on the lower edge structural beam of the elevator shaft door opening.

As a preferred solution of the present utility model, a steel plate armpit for enlarging the structural force-bearing surface under the support bracket is provided above the connection between the support bracket and the upright column. Add steel plate armpit feet above the connection between the support bracket and the column to increase the structural stress surface under the support bracket and increase the safety and reliability of the construction platform.

As a preferred solution of the present invention, the lifting device is a suspension ring, and the suspension ring is installed on the connecting frame of the platform, and the flat plate is provided with an opening slot adapted to the suspension ring at the place where the suspension ring is installed. The lifting ring is used to connect the spreader when laying the construction platform and removing the construction platform, which is convenient for lifting.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. A supporting bracket is installed on the elevator shaft-shaped steel protection construction platform as a supporting device for the supporting platform. The supporting bracket is placed on the structural beam at the lower edge of the elevator shaft door opening, and serves as the vertical support for the entire elevator shaft-shaped steel operating platform, which is firm and reliable. , when dismantling the construction platform, it only needs to be adjusted, which is very convenient;

2. Use the platform and the triangular support frame to fix the connection structure, so that the upper platform can rest firmly on the shear wall or beam, as the horizontal support of the entire elevator shaft steel operation platform, and at the same time it is very important when laying and removing the elevator shaft steel protection construction platform Convenient, the fixed connection between the platform and the triangular support makes the platform more stable and avoids potential safety hazards;

3. There are also steel plate armpit feet at the connection between the support bracket and the column, which are used to increase the structural stress surface under the support bracket. Since the support bracket bears all the loads in the vertical direction of the construction platform, the stability of the structure must be ensured. The addition of steel plate armpit feet increases the force-bearing surface of the support bracket to ensure the safety of the entire construction platform.

Description of drawings

Fig. 1 is the working schematic diagram of the elevator shaft shaped steel protection construction platform in embodiment 1.

Fig. 2 is the front view of the elevator shaft-shaped steel protection construction platform in embodiment 1.

Fig. 3 is a left side view of Fig. 2 .

FIG. 4 is a top view of FIG. 2 .

Fig. 5 is a working schematic diagram of the steel protection construction platform of the elevator shaft in the first embodiment.

Fig. 6 is the front view of the steel protection construction platform of the elevator shaft in the second embodiment.

Marks in the figure: 1-platform, 2-support frame, 3-support bracket, 4-steel plate armpit, 5-connecting channel steel, 6-hanging ring, 101-flat plate, 102-connecting frame, 201-main beam, 202- Column, 203-diagonal stay, 204-support rib.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in detail.

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Example 1

This embodiment is used in the occasion where a construction platform needs to be built for the construction of the shear wall formwork inside the elevator shaft.

A steel protection construction platform for an elevator shaft, as shown in Figure 1, includes a platform 1 and a support frame 2, the support frame 2 is a triangular structure formed by splicing steel profiles, one side of the triangular structure is fixedly connected with the platform 1 to form a vertical direction platform structure, the platform 1 is provided with two mutually parallel triangular support frames 2 of the same size, as shown in Figure 2 and Figure 3, comprising a main beam 201, a column 202 and a diagonal stay 203, the main beam 201 and The platform 1 is fixedly connected, and one end of the main beam 201 is connected to the column 202 and the cable stay 203. At the same time, it is fixedly connected to the platform 1. In this embodiment, the main beam 201, the column 202 and the cable stay 203 are all made of channel steel. The connecting channel steel 5 is used for fixed connection between the triangle support frames 2 . The connecting channel 5 is used to connect the two triangular support frames 2, so that the platform 1 is better supported and more stable, and the supporting strength of the weight load is improved. The lower part of the triangular support frame 2 is also provided with a support bracket 3 for leaning the construction platform in the elevator shaft, the triangular support frame 2 leans against one side of the elevator shaft through the support bracket 3, and the platform 1 leans against the other side A stable construction platform structure is formed on the elevator shaft wall, and the size of the elevator shaft-shaped steel protective construction platform is adapted to the size of the elevator shaft. It is used to connect the spreader when laying the construction platform and dismantling the construction platform, which is convenient for lifting.

The platform 1 includes a panel 101 and a connecting frame 102. As shown in Figure 4, the connecting frame 102 is a square platform structure formed by tailor welding of channel steel, on which a panel 101 is laid, and the panel 101 uses a checkered plate, the size of which is Adapted to the size of the connecting frame 102, the checkered plate is welded and fixed on the square platform structure to form a platform 1. The connecting frame 102 of the platform 1 is also provided with a lifting ring 6 for hoisting the platform. The panel 101 is set on the ring 6 The place is provided with the opening slot that is adapted to the suspension ring 6, and is used for the installation of the suspension ring 6.

The support bracket 3 is installed on the column 202 of the triangular support frame 2, close to the bottom of the column 202, and above the connection between the support bracket 3 and the column 202, there is also a steel plate armpit for increasing the structural stress surface under the support bracket 3 4. In this embodiment, a support rib 204 is also provided on the diagonal brace 203 of the triangular support frame 2 , and the other end of the support rib 204 is fixed at the joint between the main beam 201 and the column 202 .

In the practical application of this embodiment, it is better to use channel steel for the connecting skeleton of the platform and the parts and components of the triangular support frame.

When this embodiment is in use, when the concrete in the lower part of the main construction elevator shaft reaches the strength of the superior, hoist the elevator shaft-shaped steel protection construction platform. When hoisting, use the lifting tool to hoist the construction platform to the installation position of the elevator shaft through the lifting ring, and then slowly put it in place. , put down the platform slowly, the end of the triangular support frame with the supporting bracket is on the side of the elevator shaft door, install the supporting bracket on the structural beam at the entrance of the elevator shaft door, and put the platform on the shear wall or structural beam. Install it firmly in the elevator shaft, and loosen the spreader after confirming the force. Install the elevator shaft steel protection construction platform, that is, carry out the shear wall formwork construction work on the construction platform, including the installation and dismantling of the formwork, control, inspection and acceptance, etc. When the strength of the newly poured concrete meets the requirements, the elevator shaft steel To protect the lifting of the construction platform, remove the formwork inside the elevator shaft and remove all obstacles before lifting. Then use the lifting ring to lift the construction platform to the upper level and install it firmly.

The elevator shaft-shaped steel protection construction platform is simple to manufacture, and the manufacturing cost is far lower than that of scaffolding. It is very convenient in erection and dismantling, and it is very fast to put into use again after dismantling, saving a lot of labor and materials, and reducing the use frequency of machines and tools. Reduced wear and tear, greatly improving the progress of construction projects.

Example 2

This embodiment is used in the occasion where a construction platform needs to be built for the construction of the shear wall formwork inside the elevator shaft.

An elevator shaft profiled steel protection construction platform, as shown in Figure 5, includes a platform 1 and a support frame 2, the support frame 2 is a triangular structure formed by splicing profiled steel, one side of the triangular structure is fixedly connected with the platform 1 to form a vertical Direction platform structure, under the platform 1, there are two triangular support frames 2 parallel to each other and of the same size, as shown in Fig. 6 and Fig. The platform 1 is fixedly connected, and one end of the main beam 201 is connected to the column 202 and the cable stay 203. At the same time, it is fixedly connected to the platform 1. In this embodiment, the main beam 201, the column 202 and the cable stay 203 all use channel steel, and the two triangle supports The connecting channel steel is used for fixed connection between the frames. The connecting channel 5 is used to connect the two triangular support frames 2, so that the platform 1 is better supported and more stable, and the supporting strength of the weight load is improved. The lower part of the triangular support frame 2 is also provided with a support bracket 3 for leaning the construction platform in the elevator shaft, the triangular support frame 2 leans against one side of the elevator shaft through the support bracket 3, and the platform 1 leans against the other side A stable construction platform structure is formed on the elevator shaft wall, and the size of the elevator shaft-shaped steel protective construction platform is adapted to the size of the elevator shaft. It is used to connect the spreader when laying the construction platform and dismantling the construction platform, which is convenient for lifting.

The platform 1 includes a panel 101 and a connecting frame 102. As shown in Figure 4, the connecting frame 102 is a square platform structure formed by tailor welding of channel steel, on which a panel 101 is laid, and the panel 101 uses a checkered plate, the size of which is Adapted to the size of the connecting frame 102, the checkered plate is welded and fixed on the square platform structure to form a platform 1. The connecting frame 102 of the platform 1 is also provided with a lifting ring 6 for hoisting the platform. The panel 101 is set on the ring 6 The place is provided with the opening slot that is adapted to the suspension ring 6, and is used for the installation of the suspension ring 6.

In the practical application of this embodiment, it is better to use channel steel for the connecting skeleton of the platform and the parts and components of the triangular support frame.

The support bracket 3 is installed on the column 202 of the triangular support frame 2, near the bottom of the column 202, and the connection between the support bracket 3 and the column 202 is also provided with a steel plate armpit 4 for increasing the structural stress surface under the support bracket 3 .

When this embodiment is in use, when the concrete in the lower part of the main construction elevator shaft reaches the strength of the superior, hoist the elevator shaft-shaped steel protection construction platform. When hoisting, use the lifting tool to hoist the construction platform to the installation position of the elevator shaft through the lifting ring, and then slowly put it in place. , put down the platform slowly, the end of the triangular support frame with the supporting bracket is on the side of the elevator shaft door, install the supporting bracket on the structural beam at the entrance of the elevator shaft door, and put the platform on the shear wall or structural beam. Install it firmly in the elevator shaft, and loosen the spreader after confirming the force. Install the elevator shaft steel protection construction platform, that is, carry out the shear wall formwork construction work on the construction platform, including the installation and dismantling of the formwork, control, inspection and acceptance, etc. When the strength of the newly poured concrete meets the requirements, the elevator shaft steel To protect the lifting of the construction platform, remove the formwork inside the elevator shaft and remove all obstacles before lifting. Then use the lifting ring to lift the construction platform to the upper level and install it firmly.

The elevator shaft-shaped steel protection construction platform is simple to manufacture, and the manufacturing cost is far lower than that of scaffolding. It is very convenient in erection and dismantling, and it is very fast to put into use again after dismantling, saving a lot of labor and materials, and reducing the use frequency of machines and tools. Reduced wear and tear, greatly improving the progress of construction projects.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

1. A steel protection construction platform for an elevator shaft, characterized in that it comprises a platform and a support frame, and the support frame is a triangular structure spliced by section steel, and one side of the triangular structure is fixedly connected with the platform to form a vertical direction platform structure , there are two parallel triangular support frames with the same size under the platform, and the lower part of the triangular support frame is also provided with a lifting device for leaning the construction platform in the elevator shaft, and the triangular support frame passes through the lifting device Leaning on one side of the elevator shaft, the platform leans against the wall of the elevator shaft to form a stable construction platform structure. The size of the elevator shaft type steel protection construction platform matches the size of the elevator shaft. The section steel protective construction platform is also provided with a hoisting device for connecting the spreader. 2. The elevator shaft steel protection construction platform according to claim 1, characterized in that, the platform comprises a flat plate and a connecting frame, and the connecting frame is a square platform structure formed by tailor welding of channel steel, and the flat plate is welded Fixed on the connection frame, the size of the flat plate is suitable for the size of the connection frame, the support frame is a triangular support frame structure, including the main beam, column and diagonal brace, the two ends of the main beam are fixed on the connection frame, the column and The stay is connected to one end of the main beam and fixed on the connecting frame at the same time. 3. The elevator shaft-shaped steel protective construction platform according to claim 2, wherein the material of the flat plate is a checkered plate, the material of the main beam, the column and the diagonal stay is channel steel, and the triangular support frame A support rib is also arranged on the diagonal stay, and the other end of the support rib is fixed at the joint between the main beam and the column. 4. The elevator shaft-shaped steel protective construction platform according to claim 3, characterized in that, a connecting channel steel is used for fixed connection between the two triangular support frames. 5. The elevator shaft shaped steel protective construction platform according to claim 4, characterized in that, the holding device is a supporting bracket for making the elevator shaft shaped steel protective construction platform lean against the elevator shaft wall, and the supporting bracket is installed On the column of the tripod, near the bottom of the column. 6. The elevator shaft-shaped steel protective construction platform according to claim 5, characterized in that, above the connection between the supporting bracket and the upright column, there is also a steel plate armpit for enlarging the structural stress surface under the supporting bracket. 7. The elevator shaft-shaped steel protection construction platform according to claim 6, characterized in that, the lifting device is a suspension ring, the suspension ring is installed on the connecting frame of the platform, and the flat plate is provided with a ring adapted to the suspension ring at the place where the suspension ring is installed. opening slot.