Special construction elevator in the well

Essential lifting equipment for construction, construction lifts used to transport personnel and goods in construction. Composed of bottom frame, guide frame and hanging cage, the bottom frame is fixed on the ground outside the building when installation, guide frame is installed on the bottom frame, guide frame is fixed on the external wall of the building through the attachment frame, hanging cage is hung on both sides of the guide frame.

The following introduces a special construction elevator installed in the elevator shaft, it uses a new structure and construction method, through the equipment and traditional construction elevator comparison, can eliminate construction safety risks, improve construction quality, improve construction efficiency, save construction costs, improve the construction environment and other aspects to provide certain help

Structure composition: The composition of the special construction elevator in the well is: Variable frequency reducer, electrical control cabinet, guide rail frame, car, attached wall, floor door, various safety devices, control lines and other driving units through the guide wheel running on the guide rail frame to ensure that the drive unit can run along the guide rail frame and reach the required position, the closed-loop control of the combination of frequency converter and encoder, personnel in the process of high comfort. The driver through the control box to the control cabinet release instructions, control cabinet according to the instructions to control the host operation so that the lift to achieve automatic selection of layers, automatic leveling. The car is composed of the cage frame, the top of the cage, the bottom of the cage, the wall and the door of the cage. It is adjustable and can be adjusted according to the size of the well.

Safety protection system: the lift in the well has a perfect safety protection system, overspeed safety device; If the construction lift in the down operation of overspeed fault, overspeed safety device can stop the car brake on the guide rail, and cut off the control power supply, to ensure the safety of personnel and equipment.

1) Eliminate building construction safety risks: there is a distance between the traditional construction elevator cage and the building, the need to add the springboard as a channel, both sides also need to add protection net and guardrail, workers a little negligence may fall on the springboard. The special construction elevator in the well does not need to protect the net, the elevator in a layer to rely on, personnel and materials can be moved directly from the cage to the floor, without the need for springboard, eliminating the danger of workers falling from the springboard. Speed limiter action with mechanical, electrical double protection, 100% reliability, so as to ensure the safety of personnel and materials.

2) Improve the quality of construction: external hanging construction elevator in the input of materials to the building, the outer wall should be reserved for construction holes, after the completion of the construction will be filled, so easy to cause wall seepage, and in the exterior wall decoration is easy to cause color and color perception inconsistent phenomenon, thus affecting the quality of construction. The special construction elevator in the well does not need to reserve the construction hole, and is suitable for a variety of complex external modeling, especially curtain wall and senior appearance decoration. A pay-off, a whole construction, suitable for the new process and construction technology, effectively improve the quality of construction, put an end to the previous construction of common problems.

3) Improve building efficiency. The feed port of the traditional construction elevator is located on the side of the building, and the transmission route is from the side of the building to every corner of the building. The special construction elevator inlet in the well is in the middle of the building, the construction route is from the center to the surrounding radiation, so that greatly shorten the construction distance, improve the construction efficiency, improve the turnover of a variety of construction equipment and construction tools. Take a project with a main body of 30,000 m 2 as an example, first the foundation, then the main body, internal follow-up; The main construction can be removed after the completion of the tower, all transport tasks to the elevator; The exterior wall decoration is from top to bottom, after installing a layer, the exterior jumper plate is removed a layer, the whole layer of decoration, the whole layer of disassembly; The external scaffolding can be removed in advance, and the outdoor supporting facilities and basement decoration can be completed in advance, which can save the rental time and cost of these equipment and construction tools, and shorten the construction period. The special construction elevator in the well is not affected by the weather, so you can arrange the construction all day 24h free, and the working environment has been greatly improved, the working efficiency of workers has been greatly improved. Most external hanging construction lifts are unable to reach the underground level, so the feed port must be added. And the special construction elevator in the well can reach all levels connected with the well, again improve the construction efficiency.

4) Saving construction costs. The load design calculation scheme of the material platform is omitted, and the material and labor of the heavy scaffold, steel pipe, protective net, springboard, frame and construction material platform can be omitted. The increase of equipment turnover rate shortens the rental period of equipment, reduces the depreciation rate of equipment, and reduces a large cost for construction enterprises. The special construction elevator in the well is attached to the elevator well, without the need for an external derrick, which saves 70% steel compared with the traditional construction elevator; And the speed is fast, low energy consumption, compared with the same weight forced construction elevator, electricity saving nearly 30%, really achieve the idea of energy saving and emission reduction advocated by the state.

5) The construction environment of the building is improved. In the design process, the working environment of the workers in the long construction process and the living environment of the surrounding residents are fully considered. The closed well way effectively avoids the noise pollution caused by the lift during its operation. Meanwhile, it restrains the material debris and dust from splashing around. The lift also avoids wind, sun and rain when operating in the well. The enterprise can independently arrange the construction schedule, effectively avoid the influence of the weather on the construction, greatly improve the working environment of the workers and the surrounding people's living environment, so that the construction site becomes quiet and orderly, conducive to improving the image of civilized construction of enterprises. The construction elevator can be increased with the floor, the height of the building is unlimited, can be applied to the complex building structure.

The invention and application of this machine has completely changed the previous construction mode, carried out innovative reform on the traditional construction technology, greatly improved the construction safety and construction schedule, so it is more suitable for the needs of modern construction enterprises.

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