Lifting platform for subway construction and using method

Abstract

The invention discloses a lifting platform for metro construction and a using method, and belongs to the technical field of lifting platforms. The lifting platform for metro construction comprises a bottom plate, moving mechanisms are arranged at the four corners of the lower portion of the bottom plate, fixing mechanisms are arranged on the two sides of the bottom plate, supporting rods are arranged at the four corners of the upper portion of the bottom plate, and the upper ends of the supporting rods on the same side are connected with a top plate; a lifting platform with the height controlled by a motor is arranged in the middle of the four supporting rods, and a lifting mechanism for lifting materials is arranged on the lifting platform. By arranging the moving mechanism, the device is convenient to move, by arranging the lifting platform of which the height is controlled by the motor, when a worker needs to move up and down, the height can be changed through the motor, so that the worker does not need to climb up and down, and by arranging the lifting mechanism, materials, equipment and the like required by construction are convenient to lift; therefore, workers can conveniently take and use. The problems that when a scaffold is used for climbing operation in current subway construction, a worker moves up and down troublesomely, and materials and equipment are carried heavily are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of lifting platforms, and in particular to a lifting platform for subway construction and a use method thereof. Background Art

[0002] The subway is one of the backbones of urban public transportation. It is an efficient, fast, and large-capacity underground rail transit system. It mainly runs in underground tunnels and uses electricity to drive trains. It aims to alleviate urban traffic congestion and provide punctual and reliable travel services. The subway system usually includes multiple lines to form a network covering the main areas of the city. The stations are designed to facilitate passengers' entry and exit, and are equipped with modern facilities such as automatic ticket machines and gates. The trains run frequently and can transport a large number of passengers, reducing ground traffic pressure while promoting urban economic and regional development.

[0003] At present, when working on the top of the subway tunnel, the method of installing scaffolding is adopted. However, this method will take a lot of time and manpower for each installation and disassembly, and it is inefficient and inconvenient to move. It is troublesome for workers to move up and down, and the materials and equipment required for construction need to be manually carried, which is heavy. Summary of the invention

[0004] The purpose of the present invention is to provide a lifting platform for subway construction and a method of use, so as to solve the problem that the current subway construction uses scaffolding for high-altitude work, the workers move up and down more troublesomely, and the handling of materials and equipment is more cumbersome.

[0005] To achieve the above-mentioned purpose, the present invention provides a lifting platform for subway construction, including a base plate, wherein moving mechanisms are provided at the four lower corners of the base plate, fixing mechanisms are provided on both sides of the base plate, support rods are provided at the four upper corners of the base plate, a lifting platform is provided in the middle of the support rods, the lifting platform is connected to the support rods through a sliding structure, the lifting platform is connected to the base through a lifting structure, and a lifting mechanism for lifting materials is provided on the lifting platform.

[0006] Preferably, the moving mechanism includes two fixed wheels arranged at two ends of one side of the base plate, and two universal wheels arranged at two ends of the other side of the base plate, and both the fixed wheels and the universal wheels are detachably connected to the base plate.

[0007] Preferably, the upper ends of the two support rods on one side of the bottom plate are connected to the top plate, and the upper ends of the two support rods on the other side of the bottom plate are connected to the top plate.

[0008] Preferably, the fixing mechanism includes fixing plates respectively arranged on both sides of the base plate, a threaded rod is arranged in the middle of the fixing plate, a threaded hole is arranged on the fixing plate, the threaded rod is inserted into the threaded hole and connected to the fixing plate through threads, a through hole is arranged on the threaded rod, and a pad is arranged at the bottom end of the threaded rod.

[0009] Preferably, the sliding structure comprises a sliding groove, and the sliding groove is arranged on a side of the four support rods facing the bottom plate.

[0010] Preferably, the lifting platform includes a lifting plate, and slides adapted to the slide groove are provided at the four corners of the lifting plate. The slide is arranged in the slide groove and is slidably connected to the slide groove. A fence is arranged around the top of the lifting plate, and a hinged door is provided on one side of the fence.

[0011] Preferably, the lifting structure includes a motor, which is arranged at the bottom end of the base plate. The output shaft of the motor has threads. The output shaft passes through the base plate and the lifting plate from bottom to top and is rotatably connected to the base plate and the lifting plate. The top end of the output shaft of the motor is rotatably connected to the top plate.

[0012] Preferably, the lifting mechanism includes a winch and pulley one, the winch is arranged on the lifting plate, the pulley one is arranged at the top of the fence, an extension rod is arranged below the pulley one, and the other end of the extension rod is connected to the pulley two.

[0013] The present invention also provides a method for using a lifting platform for subway construction, comprising the following steps:

[0014] Step 1: After pushing the subway construction lifting platform to the working position, insert a lever into the through hole above the threaded rod, rotate the threaded rod to make it continue to descend, and then make the moving mechanism leave the ground, so as to fix the position of the subway construction lifting platform;

[0015] Step 2: The equipment, materials and workers required for construction enter the lifting platform through the door, and then start the motor to raise the platform to the construction height;

[0016] Step 3: Connect the materials and equipment that need to be sent to the lifting platform during the construction process to one end of the steel cable of the winch. The worker on the lifting platform starts the winch, and the winch drives the steel cable to slide through pulley 2 and pulley 1 to lift the materials and equipment to a position that is convenient for the workers to take;

[0017] Step 4, finish the construction, start the motor, lower the lifting platform to the initial position, use the lever to rotate the threaded rod again to make it continue to rise, so that the moving mechanism contacts the ground, and the subway construction lifting platform recovers its mobility.

[0018] Therefore, the present invention adopts a lifting platform for subway construction and a method of use of the above-mentioned structure. By setting up a moving mechanism, the device is easy to move. By setting up a lifting platform that uses an electric motor to control the height, when workers need to move up and down, the height can be changed by the electric motor, and the workers do not need to climb up and down. By setting up a lifting mechanism, the materials and equipment required for the construction can be easily lifted to a suitable height, making it convenient for workers to use.

[0019] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a lifting platform for subway construction according to the present invention;

[0021] Figure 2 This is a schematic diagram of a lifting platform for subway construction according to the present invention;

[0022] Figure 3 A lifting platform for subway construction according to the present invention Figure 2 A magnified view of part A.

[0023] Reference numerals

[0024] 1. Bottom plate; 101. Support rod; 1011. Slide; 102. Top plate; 2. Moving mechanism; 201. Fixed wheel; 202. Universal wheel; 3. Fixing mechanism; 301. Fixing plate; 302. Threaded rod; 3021. Through hole; 303. Pad; 4. Motor; 5. Lifting platform; 501. Lifting plate; 5011. Slide; 502. Fence; 5021. Door; 6. Lifting mechanism; 601. Winch; 602. Pulley 1; 603. Extension rod; 604. Pulley 2. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0026] The specific model specifications need to be selected and determined based on the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0027] Example

[0028] like Figure 1 As shown, a subway construction lifting platform according to the present invention comprises a bottom plate 1, and a moving mechanism 2 is provided at the four corners below the bottom plate 1. The moving mechanism 2 comprises two fixed wheels 201 arranged at two ends of one side of the bottom plate 1, and two universal wheels 202 arranged at two ends of the other side of the bottom plate 1. The fixed wheels 201 and the universal wheels 202 are both detachably connected to the bottom plate 1, and the fixed wheels 201 and the universal wheels 202 can be freely removed and replaced according to the needs of the situation.

[0029] like Figure 1As shown, a fixing mechanism 3 is provided on both sides of the bottom plate 1, and the fixing mechanism 3 includes fixing plates 301 respectively provided on both sides of the bottom plate 1. A threaded rod 302 is provided in the middle of the fixing plate 301, and a threaded hole is provided on the fixing plate 301. The threaded rod 302 is inserted into the threaded hole and connected to the fixing plate 301 through a thread. A through hole 3021 is provided on the threaded rod 302 for a lever to pass through, and the fixing plate 301 can be raised and lowered by rotating the threaded rod 302. A pad 303 is provided at the bottom end of the threaded rod 302. After the threaded rod 302 is lowered, it contacts the ground through the pad 303, so that the mobile mechanism 2 leaves the ground and is more stable during operation. The lever can be a steel pipe but is not limited to a steel pipe.

[0030] The four corners above the bottom plate 1 are provided with support rods 101, the upper ends of the two support rods 101 on one side of the bottom plate 1 are connected to the top plate 102, and the upper ends of the two support rods 101 on the other side of the bottom plate 1 are also connected to the top plate 102, forming a frame structure to improve the stability of the entire device. A lifting platform 5 is provided in the middle of the support rods 101, and the lifting platform 5 is connected to the support rods 101 through a sliding structure, and the lifting platform 5 is connected to the bottom plate 1 through a lifting structure.

[0031] The sliding structure includes a slide groove 1011, which is arranged on the side of the four support rods 101 facing the bottom plate 1 to enable the lifting platform 5 to rise and fall stably. Figure 2 As shown, the lifting platform 5 includes a lifting plate 501, and the four corners of the lifting plate 501 are provided with slides 5011 adapted to the slide groove 1011, and the slides 5011 are arranged in the slide groove 1011 and are slidably connected to the slide groove 1011. A fence 502 is arranged around the top of the lifting plate 501, and a hinged door 5021 is arranged on one side of the fence 502. The fence 502 can prevent workers from falling, thereby improving the safety of workers, and the door 5021 is convenient for workers to enter.

[0032] The lifting structure includes four motors 4, which are respectively arranged at the four corners of the bottom end of the bottom plate 1. The output shaft of the motor 4 has threads, and the output shaft passes through the bottom plate 1 and the lifting plate 501, and is rotatably connected with the bottom plate 1 and the lifting plate 501, and the top end is rotatably connected with the top plate 102. The middle part of the output shaft of the motor 4 is provided with threads, and the lifting plate 501 can be lifted up and down along the output shaft of the motor 4 through the threads. When the motor 4 is started, the output shaft of the motor 4 can drive the lifting plate 501 to move up and down, thereby moving the workers entering the fence 502 up and down.

[0033] like Figure 3As shown, a lifting mechanism 6 for lifting materials is provided on the lifting platform 5. The lifting mechanism 6 includes a winch 601 and a pulley 1 602. The winch 601 is arranged on the lifting plate 501, the pulley 1 602 is arranged on the top of the fence 502, and an extension rod 603 is arranged below the pulley 1 602, and the other end of the extension rod 603 is connected to the pulley 2 604. When it is necessary to raise the materials and equipment required for the construction, the end of the steel cable of the winch 601 is tied to the materials and equipment, and the winch 601 is started. The winch 601 drives the steel cable to slide on the pulley 2 604 and the pulley 1 602, thereby driving the materials and equipment at the end of the steel cable to rise.

[0034] The method for using a lifting platform for subway construction described in the present invention comprises the following steps:

[0035] Step 1: After pushing the subway construction lifting platform to the working position, insert a steel pipe into the through hole 3021 above the threaded rod 302, rotate the threaded rod 302 to make it continue to descend, and then make the moving mechanism 2 leave the ground, so as to fix the position of the subway construction lifting platform.

[0036] Step 2: Workers and equipment and materials required for construction enter the lifting platform 5 through the door 5021, and then start the motor 4 to raise the lifting platform 5 to the construction height.

[0037] Step three, connect the materials and equipment that need to be sent to the lifting platform 5 during the construction process to one end of the steel cable of the winch 601, and the workers on the lifting platform 5 start the winch 601 to lift the materials and equipment to a position where they can be taken.

[0038] Step 4, finish the construction, start the motor 4, lower the lifting platform 5 to the initial position, and use the steel pipe to rotate the threaded rod 302 again to make it continue to rise, so that the moving mechanism 2 contacts the ground, and the subway construction lifting platform recovers its mobility.

[0039] Therefore, the present invention adopts the above-mentioned lifting platform for subway construction and the use method, which solves the problem that the current subway construction uses scaffolding for high-altitude work, the workers move up and down more troublesomely, and the handling of materials and equipment is more cumbersome.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A lifting platform for subway construction; Features: It includes a base plate, wherein the four lower corners of the base plate are provided with moving mechanisms, the two sides of the base plate are provided with fixing mechanisms, the four upper corners of the base plate are respectively provided with support rods, the middle of the support rods is provided with a lifting platform, the lifting platform is connected to the support rods through a sliding structure, the lifting platform is connected to the base plate through a lifting structure, and the lifting platform is provided with a lifting mechanism for lifting materials.

2. A lifting platform for subway construction according to claim 1, Features: The moving mechanism comprises two fixed wheels arranged at two ends of one side of the bottom plate and two universal wheels arranged at two ends of the other side of the bottom plate. Both the fixed wheels and the universal wheels are detachably connected to the bottom plate.

3. A lifting platform for subway construction according to claim 1, Features: The upper ends of two support rods on one side of the bottom plate are connected to the top plate, and the upper ends of two support rods on the other side of the bottom plate are connected to the top plate.

4. A subway construction lifting platform according to claim 1, Features: The fixing mechanism includes fixing plates respectively arranged on both sides of the base plate, a threaded rod is arranged in the middle of the fixing plate, a threaded hole is arranged on the fixing plate, the threaded rod is inserted into the threaded hole and connected to the fixing plate through threads, a through hole is arranged on the threaded rod, and a pad is arranged at the bottom end of the threaded rod.

5. A lifting platform for subway construction according to claim 1, Features: The sliding structure comprises a sliding groove, which is arranged on one side of the four support rods facing the bottom plate.

6. A lifting platform for subway construction according to claim 5, Features: The lifting platform includes a lifting plate, and slides adapted to the slide groove are arranged at the four corners of the lifting plate. The slide is arranged in the slide groove and is slidably connected with the slide groove. A fence is arranged around the top of the lifting plate, and a hinged door is arranged on one side of the fence.

7. A lifting platform for subway construction according to claim 6, Features: The lifting structure includes a motor, which is arranged at the bottom end of the base plate. A thread is arranged on the output shaft of the motor. The output shaft passes through the base plate and the lifting plate from bottom to top and is rotatably connected with the base plate and the lifting plate. The top end of the output shaft of the motor is rotatably connected with the top plate.

8. A lifting platform for subway construction according to claim 5, Features: The lifting mechanism comprises a winch and a pulley 1, the winch is arranged on the lifting plate, the pulley 1 is arranged on the top of the fence, an extension rod is arranged below the pulley 1, and the other end of the extension rod is connected with the pulley 2.

9. A method for using a lifting platform for subway construction according to any one of claims 1 to 8, Features: The following steps are involved: Step 1: After pushing the subway construction lifting platform to the working position, insert a lever into the through hole above the threaded rod, rotate the threaded rod to make it continue to descend, and then make the moving mechanism leave the ground, so as to fix the position of the subway construction lifting platform; Step 2: The equipment, materials and workers required for the construction enter the lifting platform through the door, and then the motor is started to raise the lifting platform to the construction height; Step 3: Connect the materials and equipment that need to be sent to the lifting platform during the construction process to one end of the steel cable of the winch. The worker on the lifting platform starts the winch, and the winch drives the steel cable to slide through pulley 2 and pulley 1 to lift the materials and equipment to a position that is convenient for the workers to take; Step 4, finish the construction, start the motor, lower the lifting platform to the initial position, use the lever to rotate the threaded rod again to make it continue to rise, so that the moving mechanism contacts the ground, and the subway construction lifting platform regains its mobility.

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