Adjustable telescopic tower walkway device and method of use

Abstract

The application discloses a kind of adjustable telescopic tower crane walkway device and use method, the device includes support beam system, adjustable height rotating system, adjustable horizontal movement system, hydraulic system, pedal telescopic system and tail portion pull-up auxiliary pedal system.The support beam system is fixed on shear wall, and the pedal telescopic system connected with support beam system is unfolded by hydraulic system, and the end is set on tower crane standard section horizontal web, when horizontal web and shear wall hole height do not match, adjustable height rotating system can be started, and the angle of support beam system is adjusted;When the position of tower crane and the position of shear wall hole are deviated, adjustable horizontal movement system can be started, and the horizontal position of device is adjusted, finally make tower crane horizontal web, shear wall and pedal position perfect fit;When pedal is unfolded, the remaining distance is not enough for one pedal, tail portion pull-up pedal system can be started to make up, and the application has high safety, is convenient to disassemble and assemble, and can be reused in multiple positions and multiple projects.

Description

Technical Field

[0001] This invention relates to the field of building engineering technology, and in particular to an adjustable telescopic tower crane walkway device and its usage method. Background Technology

[0002] With the rapid development of high-rise buildings, tower cranes are being used more and more widely, and the importance attached to safety protection during high-altitude operations is increasing. Once the main structure of a building reaches a certain height, tower crane walkways can be erected. Tower crane operators can take a construction elevator to the walkway floor and then climb to the operator's cab via the walkway. This saves time and effort compared to going directly from the ground to the cab and reduces the risk of falls from height. However, currently, tower crane walkways are mostly constructed using steel pipes, with one end resting on the building structure and the other end on a standard tower crane section. The walkway has handrails above, is covered with steel plates, and has vertical safety netting on the sides. This type of tower crane walkway is inconvenient to construct, time-consuming, has high safety risks during use, poor reusability, and is highly dangerous to dismantle.

[0003] Chinese patent CN202223421456.4 discloses a tower crane floor passage structure and its usage method. The device includes a tower crane standard section and a passage structure. One end of the passage structure is hinged to the bottom side of the tower crane standard section, and the other end is connected to the top of the tower crane standard section by a cable. The cable can be retracted and released, and the passage structure can be flipped to the side of the tower crane standard section.

[0004] However, the Chinese patent with patent number CN202223421456.4 is only attached to one side of the tower crane, which can easily cause the tower crane to be unbalanced and tilt. In view of the above problems, there is an urgent need in the field to provide a tower crane walkway device that is safe, easy to assemble and disassemble, and can be reused in multiple locations and projects. Summary of the Invention

[0005] In view of the above-mentioned defects or improvement needs of the existing technology, the purpose of this invention is to provide an adjustable telescopic tower crane walkway device to solve the problems of inconvenient construction, long construction time, high safety risks during use, poor reusability, and high danger during dismantling of existing tower crane walkways.

[0006] To achieve this objective, according to a first aspect of the present invention, an adjustable telescopic tower crane walkway device is provided, comprising:

[0007] A support beam system located at the front of the building for fixing and connection;

[0008] The adjustable height rotation system connected to the support beam system includes a base, a vertical motor, a shaft gear, and a transmission gear. The vertical motor is located above the base and is connected to the shaft gear. One side of the shaft gear is connected to the support beam system through a steel plate, and the other side is meshed with the transmission gear.

[0009] An adjustable horizontal moving system located in the hollow space of the support beam system includes a micro motor, a rotating gear, and a fixed rod. The rotating gear is rotatably connected to the hollow space of the support beam system through the fixed rod, and the micro motor is installed on the outside.

[0010] The pedal telescopic system located directly in front of the adjustable horizontal movement system includes multiple pedal surfaces, a connecting beam shaft, short load-bearing connecting rods of adjacent plates, and long load-bearing connecting rods of partition plates. The connecting beam shaft passes through both the support beam system and the lowest pedal surface and is fixed with a nut. The first and second pedal surfaces are connected by short load-bearing connecting rods of adjacent plates. The first, second, and third pedal surfaces are connected by long load-bearing connecting rods of partition plates. The second, third, and fourth pedal surfaces are connected by long load-bearing connecting rods of partition plates. This connection method continues until the last pedal surface is connected to the previous pedal surface by a short load-bearing connecting rod of adjacent plates.

[0011] The adjustable telescopic tower crane walkway device can not only adjust the angle and horizontal position of the device through the adjustable height rotation system and the adjustable horizontal movement system, but also quickly set up and retract the tower crane walkway through the pedal telescopic system. It is easy to assemble and disassemble and can be reused in multiple locations and projects.

[0012] Furthermore, the supporting beam system includes a wall-mounted I-beam, a supporting I-beam, an L-shaped auxiliary beam, and a U-shaped sliding beam. One side of the wall-mounted I-beam is fixed to the shear walls on both sides of the building, and the other side is connected to an adjustable height rotation system. The U-shaped sliding beam is slidably arranged in the middle of the supporting I-beam, with an adjustable horizontal movement system connected in the hollow part, and L-shaped auxiliary beams connected on both sides.

[0013] Furthermore, the adjustable height rotation system also includes a ring sleeve for fixing the transmission gear.

[0014] Furthermore, the adjustable height rotation system also includes a bowl-shaped connector, which is connected to the outside of the ring sleeve.

[0015] Furthermore, the adjustable height rotation system also includes a supporting steel plate, one side of which is connected to the bowl-shaped connector, and the other side is connected to the supporting I-beam.

[0016] Furthermore, the pedal components in the pedal telescopic system include a U-shaped pedal steel plate surface, a square load-bearing pedal steel mesh, and a U-shaped steel beam. The U-shaped steel beam can be used to increase the load-bearing capacity of the device, and the square load-bearing pedal steel mesh can be used to reduce the weight of the device.

[0017] Furthermore, the device also includes a hydraulic system, which includes a triangular connector and a hydraulic rod. The triangular connector is connected to both sides of the U-shaped slide beam, and one side of the hydraulic rod is connected to the triangular connector, while the other side is connected to the pedal telescopic system for controlling the deployment and retraction of the pedal.

[0018] Furthermore, the device also includes a tail pull-out auxiliary pedal system, which includes a tail plate slide groove and a locking groove. The tail plate slide groove is located on both sides of the last pedal surface and is closed at both ends. Several locking grooves are provided on both sides of the tail plate slide groove.

[0019] Furthermore, the tail pull-out auxiliary pedal system also includes a telescopic tail plate, pulleys, L-shaped clips, and elastic elements. The telescopic tail plate is slidably connected to the tail plate groove. I-beam guide rods are provided on both sides of the telescopic tail plate, and pulleys are installed under the guide rods. L-shaped clips and elastic elements are provided inside the guide rods. The tail pull-out auxiliary pedal system is mainly used to make up the difference in distance when the distance is less than one pedal surface.

[0020] According to a second aspect of the present invention, a method for using an adjustable telescopic tower crane walkway device is provided, characterized in that it includes:

[0021] S100. Connect the wall-mounted I-beams to the shear walls on both sides of the opening in the exterior wall of the main building using expansion bolts. By observing the height and horizontal position of the tower crane's horizontal web members, adjust the rotation angle and horizontal position of the device to ensure that the device matches the position of the tower crane.

[0022] S200: Start the vertical motors on both sides to drive the shaft gears to rotate. Through the meshing relationship between the gears, the rotation is transmitted to the transmission gears. The transmission gears drive the supporting I-beam to rotate as well, matching the rotation angle.

[0023] S300. After the angle adjustment is completed, turn on the micro motor. The rotating gear rotates around the fixed rod position as the fulcrum. Through the meshing relationship between the gear and the tooth groove, it drives the U-shaped slide beam to move left and right to match the horizontal position.

[0024] S400, control the end of the short load-bearing link of the adjacent plate, and unfold the pedal telescopic system with the center end of the pedal of the short load-bearing link of the adjacent plate as the center. Other pedal surfaces also unfold along with the unfolding of the first-layer pedal surface.

[0025] S500: After the last step is unfolded, it rests on the horizontal web of the tower crane. If the step is not long enough, the tail pull-out auxiliary step system is activated. Pull out the telescopic tail auxiliary plate, clamp the L-shaped clips on both sides, the elastic element retracts, and it slides forward in the slot. After reaching the specified length, it is released, and the telescopic tail auxiliary plate is pulled out and fixed in the specified position. When it is necessary to retract the slide, simply clamp the L-shaped clips on both sides and it can slide in reverse.

[0026] S600: Each pedal has a railing opening in the middle of both sides. After all steps are completed, the molded railing is installed in the designated position.

[0027] The beneficial effects of this invention are:

[0028] 1. This invention proposes an adjustable telescopic tower crane walkway device, which can match the horizontal position and height of the horizontal web members of tower cranes of different heights by adjusting the height rotation system and the adjustable horizontal position system, and has high applicability.

[0029] 2. This invention proposes an adjustable telescopic tower crane walkway device, which enables rapid installation and disassembly of the tower crane walkway through the telescopic function of the device's tread surface, greatly saving time.

[0030] 3. This invention proposes an adjustable telescopic tower crane walkway device, which adapts to more distance parameters between buildings and tower cranes by adding a telescopic tail plate.

[0031] Additional aspects and advantages of this application will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of this application. Attached Figure Description

[0032] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein:

[0033] Figure 1 This is a panoramic schematic diagram of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention;

[0034] Figure 2 This is a schematic diagram of the support beam system of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention;

[0035] Figure 3 This is a schematic diagram of the adjustable height rotation system of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention;

[0036] Figure 4 This is a schematic diagram of the adjustable horizontal movement system and hydraulic system of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention;

[0037] Figure 5 This is a schematic diagram of the pedal telescopic system of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention;

[0038] Figure 6 This is a detailed structural diagram of the tread surface of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention;

[0039] Figure 7 This is a schematic diagram of the upper part of the tail pull-out auxiliary pedal system of an adjustable telescopic tower crane walkway device in an embodiment of the present invention;

[0040] Figure 8 This is a schematic diagram of the lower half of the tail pull-out auxiliary pedal system of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention;

[0041] Figure 9 This is an overall schematic diagram of the tail pull-out auxiliary pedal system of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention;

[0042] Figure 10 This is a flowchart illustrating the usage method of an adjustable telescopic tower crane walkway device according to an embodiment of the present invention.

[0043] In this invention, the same reference numerals denote the same structural elements, including: 1. Support beam system; 1-1. Attached wall-mounted I-beam; 1-2. Supporting I-beam; 1-3. L-shaped attached beam; and 1-4. U-shaped sliding beam; 2. Adjustable height rotation system; 2. Wooden base; 2-1. Vertical motor; 2-2. Shaft gear; 2-3. Ring sleeve; 2-4. Bowl-shaped connector; 2-5. Transmission gear; and 2-6. Attached beam steel plate; 3. Adjustable horizontal movement system; 3. Micro motor; 3-1. Rotating gear; and 3-2. Fixed rod 3-3; Hydraulic system 4, Triangular connector 4-1, Hydraulic rod 4-2; Pedal telescopic system 5, Pedal surface 5-1, Rectangular pedal steel plate surface 5-1-1, Square load-bearing pedal steel mesh 5-1-2, Rectangular steel beam 5-1-3, Connecting beam shaft 5-2, Adjacent plate short load-bearing connecting rod 5-3, Partition long load-bearing connecting rod 5-4; Tail pull-out auxiliary pedal system 6, Telescopic tail auxiliary plate 6-1, Tail plate slide groove 6-2, Slot 6-3, Pulley 6-4, L-shaped clip 6-5, Elastic element 6-6. Detailed Implementation

[0044] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0045] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0046] Those skilled in the art will understand that, unless otherwise stated, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the word “comprising” as used in the specification of this application means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or combinations thereof.

[0047] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as in the embodiments of this application.

[0048] Example 1

[0049] This embodiment provides an adjustable telescopic tower crane walkway device. When the tower crane operator climbs the tower crane, he can take an elevator from the ground to a high floor, and then go directly from the high floor to the tower crane to provide a walkway platform. This solves the problems of inconvenient installation and dismantling of the walkway and the inability to reuse the device.

[0050] A panoramic view of an adjustable telescopic tower crane walkway device in this embodiment is shown below. Figure 1 As shown, it includes:

[0051] Support beam system 1, adjustable height rotation system 2, adjustable horizontal movement system 3, hydraulic system 4, pedal telescopic system 5, and rear pull-out auxiliary pedal system 6;

[0052] Furthermore, such as Figure 2 As shown, the support beam system 1 includes a wall-mounted I-beam 1-1, a support I-beam 1-2, an L-shaped auxiliary beam 1-3, and a U-shaped sliding beam 1-4;

[0053] Furthermore, each of the two wall-mounted I-beams 1-1 has four bolt holes on one side for fixing to the shear walls on both sides of the opening in the exterior wall of the main building, and the other side is connected to the adjustable height rotation system via a steel plate.

[0054] Furthermore, the U-shaped sliding beam 1-4 is tightly fastened to the wing plate of the supporting beam 1-2, and the two sides of the U-shaped sliding beam are connected to the L-shaped auxiliary beams 1-3;

[0055] Furthermore, the support beam system is mainly used for fixing the device and connecting the various systems.

[0056] Furthermore, such as Figure 3As shown, the adjustable height rotation system includes a wooden base 2-1, a vertical motor 2-2, a shaft gear 2-3, a ring sleeve 2-4, a bowl-shaped connector 2-5, a transmission gear 2-6, and a supporting beam steel plate 2-7.

[0057] The vertical motor 2-2 is installed above the wooden base 2-1. The vertical motor 2-2 is connected to the shaft gear 2-3 above. One side of the shaft gear 2-3 is welded to the wall-mounted I-beam 1-1 through a steel plate, and the other side is fixed to the transmission gear 2-6 through a ring sleeve 2-4. The outer side of the ring sleeve 2-4 is connected to the bowl-shaped connector 2-5 through 3 small bolts. The bowl-shaped connector 2-5 is connected to the supporting I-beam 1-2 through the web beam steel plate 2-7.

[0058] Furthermore, starting the vertical motors 2-2 on both sides drives the shaft gear 2-3 to rotate. Through the meshing relationship between the gears, the rotation is transmitted to the transmission gear 2-6. The transmission gear 2-6 drives the supporting I-beam 1-2 to rotate as well, thereby adjusting the angle of the device.

[0059] Furthermore, the adjustable height rotation system is mainly used to adjust the angle of the device, and can be used to build tower crane walkways of different heights.

[0060] Furthermore, such as Figure 4 As shown, the adjustable horizontal movement system includes a micro motor 3-1, a self-rotating gear 3-2, and a fixed rod 3-3;

[0061] Furthermore, the self-rotating gear 3-2 is installed in the hollow part of the U-shaped sliding beam 1-4, and the center of the gear is fixed to the supporting I-beam 1-2 by the fixing rod 3-3. A micro motor 3-1 is installed on the outside.

[0062] Furthermore, when the micro motor 3-1 is started, the self-rotating gear 3-2 will rotate around the fixed rod 3-3 as the fulcrum. Through the meshing relationship of the gear and the tooth groove, it will drive the U-shaped slide beam 1-4 to move left and right to match the horizontal position.

[0063] Furthermore, the horizontal movement system can be used to adjust the horizontal position of the device so that the positions of the tower crane's horizontal web members, shear walls, and footboards are perfectly aligned.

[0064] Furthermore, such as Figure 4 , Figure 5 As shown, the hydraulic system includes a triangular connector 4-1 and a hydraulic rod 4-2;

[0065] Furthermore, the triangular connector 4-1 is installed on both sides of the U-shaped slide beam 1-4, one side of the hydraulic rod 4-2 is connected to the triangular connector 4-1, and the other side is connected to the outer end of the adjacent plate short load-bearing connecting rod 5-3 in the pedal telescopic system.

[0066] Furthermore, when the hydraulic rod 4-2 is working, it can control the end of the adjacent plate short load-bearing link 5-3, and drive the pedal extension and retraction system to unfold or retract with the center end of the pedal of the adjacent plate short load-bearing link 5-3 as the center.

[0067] Furthermore, such as Figure 5 As shown, the pedal telescopic system 5 includes a pedal surface 5-1, a connecting beam shaft 5-2, a short load-bearing connecting rod of the adjacent plate 5-3, and a long load-bearing connecting rod of the partition plate 5-4.

[0068] The connecting beam shaft 5-2 passes through both the support beam system and the lowest pedal surface 5-1, and is fixed with nuts. The first and second pedal surfaces 5-1 are connected by short load-bearing connecting rods 5-3 of adjacent plates. The first, second, and third pedal surfaces 5-1 are connected by long load-bearing connecting rods 5-4 of partition plates. The second, third, and fourth pedal surfaces 5-1 are connected by long load-bearing connecting rods 5-4 of partition plates, and so on. The sixth pedal surface (5-1) and the seventh pedal surface (5-1) are connected by short load-bearing connecting rods (5-3) of adjacent plates.

[0069] Furthermore, the pedal telescopic system can be extended or retracted at any time, is quick and easy to operate, and can be reused multiple times.

[0070] Furthermore, such as Figure 6 As shown, the pedal surface 5-1 also includes a U-shaped pedal steel plate surface 5-1-1, a square load-bearing pedal steel mesh 5-1-2, and a U-shaped steel beam 5-1-3;

[0071] Furthermore, the pedal surfaces 5-1 are arranged in the following order from top to bottom: a U-shaped pedal steel plate surface 5-1-1, a square load-bearing pedal steel mesh 5-1-2, and a U-shaped steel beam 5-1-3;

[0072] Furthermore, the function of the U-shaped steel beam 5-1-3 is to increase the load-bearing capacity of the device, and the function of the square load-bearing tread steel mesh 5-1-2 is to reduce the self-weight of the device.

[0073] Furthermore, such as Figure 7 , 8 As shown in Figures 9 and 1, the tail pull-out auxiliary pedal system includes a telescopic tail auxiliary plate 6-1, a tail plate slide groove 6-2, a slot 6-3, a pulley 6-4, an L-shaped clip 6-5, and an elastic element 6-6.

[0074] Furthermore, the tail plate groove 6-2 is provided on both sides of the last pedal surface 5-1 in the pedal telescopic system 5, and the front and rear ends are closed. Several slots 6-3 are provided on both sides of the tail plate groove 6-2.

[0075] Furthermore, I-beam guide rods are provided on both sides of the telescopic tail plate 6-1, pulleys 6-4 are installed under the guide rods, and L-shaped clips 6-5 and elastic elements 6-6 are provided inside the guide rods.

[0076] Furthermore, when it is necessary to extend the tail plate 6-1, simply clamp the L-shaped clips 6-5 on both sides to retract the elastic element 6-6, and it can slide forward in the slot 6-3. After reaching the specified length, release the clips so that the elastic element 6-6 is locked in the tail plate slot 6-3. Pulling out the telescopic tail plate 6-1 will fix it in the specified position. Similarly, when it is necessary to retract the tail plate, simply clamp the L-shaped clips 6-5 on both sides to slide in the reverse direction.

[0077] Furthermore, the telescopic tail plate is mainly used to make up for the shortfall when the remaining distance after the pedal is unfolded is less than that of one pedal.

[0078] Example 2

[0079] This embodiment provides a method for using an adjustable telescopic tower crane walkway device, as follows: Figure 10 As shown

[0080] First, all components can be prefabricated in the factory, assembled, and transported to the construction site, then moved to the designated floor and location.

[0081] Furthermore, the wall-mounted I-beam 1-1 is connected to the shear walls on both sides of the opening in the exterior wall of the main building using expansion bolts. By observing the horizontal position and height of the tower crane's horizontal web members, the rotation angle and horizontal position of the device are adjusted to ensure that the device matches the position of the tower crane.

[0082] Furthermore, the two vertical motors 2-2 are started, which drive the shaft gear 2-3 to rotate. Through the meshing relationship between the gears, the rotation is transmitted to the transmission gear 2-6. The transmission gear 2-6 drives the supporting I-beam 1-2 to rotate as well, matching the rotation angle.

[0083] Furthermore, after the angle adjustment is completed, the micro motor 3-1 is turned on, and the self-rotating gear 3-2 rotates around the fixed rod 3-3 as the fulcrum. Through the meshing relationship of the gear and the tooth groove, the U-shaped slide beam 1-4 is driven to move left and right to match the horizontal position.

[0084] Furthermore, by controlling the end of the short load-bearing link 5-3 of the adjacent plate, the pedal telescopic system is unfolded with the center end of the pedal of the short load-bearing link 5-3 of the adjacent plate as the center, and the other pedal surfaces 5-1 also unfold along with the unfolding of the first-layer pedal surface.

[0085] Furthermore, after unfolding the last layer of the tread surface, it is placed on the horizontal web of the tower crane. If the length of the tread surface is insufficient, the tail pull-out auxiliary tread system 6 is activated. The telescopic tail auxiliary plate 6-1 is pulled out, clamping the L-shaped clips 6-5 on both sides. The elastic element 6-6 retracts, and it slides forward in the slot 6-3. After reaching the specified length, it is released, and the telescopic tail auxiliary plate 6-1 is pulled out and fixed in the specified position. When it is necessary to retract the tread, it is only necessary to clamp the L-shaped clips 6-5 on both sides to slide in the reverse direction.

[0086] Furthermore, each step has a railing opening in the middle of both sides. After all the steps are completed, the pre-formed railing is installed in the designated position.

[0087] It should be understood that although the steps in the flowcharts of the accompanying figures are shown sequentially as indicated by the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some steps in the flowcharts of the accompanying figures may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily completed at the same time, but can be executed at different times, and their execution order is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the sub-steps or stages of other steps.

[0088] The above description is only a partial embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. An adjustable telescopic tower crane walkway device, characterized in that, include: A support beam system (1) is installed at the front of the building for fixing and connection; the support beam system (1) includes a wall-mounted I-beam (1-1), a supporting I-beam (1-2), an L-shaped auxiliary beam (1-3), and a U-shaped sliding beam (1-4). The wall-mounted I-beam (1-1) is fixed on one side to the shear walls on both sides of the building, and the other side is connected to an adjustable height rotation system (2). The U-shaped sliding beam (1-4) is slidably arranged in the middle of the supporting I-beam (1-2), with an adjustable horizontal movement system (3) connected in the hollow part, and the L-shaped auxiliary beam (1-3) connected on both sides. The adjustable height rotation system (2) connected to the support beam system (1) includes a base (2-1), a vertical motor (2-2), a shaft gear (2-3), and a transmission gear (2-6). The vertical motor (2-2) is located above the base (2-1) and is connected to the shaft gear (2-3). One side of the shaft gear (2-3) is connected to the support beam system (1) through a steel plate, and the other side is meshed with the transmission gear (2-6). The adjustable height rotation system (2) also includes a ring sleeve (2-4), a bowl-shaped connector (2-5), and a supporting beam steel plate (2-7). The ring sleeve (2-4) is used to fix the transmission gear (2-6). The bowl-shaped connector (2-5) is connected to the outside of the ring sleeve (2-4). One side of the supporting beam steel plate (2-7) is connected to the bowl-shaped connector (2-5), and the other side is connected to the support I-beam (1-2). An adjustable horizontal moving system (3) is provided in the hollow part of the support beam system (1), which includes a micro motor (3-1), a rotating gear (3-2) and a fixed rod (3-3). The rotating gear (3-2) is rotatably connected to the hollow part of the support beam system (1) through the fixed rod (3-3), and the micro motor (3-1) is installed on the outside. The pedal telescopic system (5) located directly in front of the adjustable horizontal moving system (3) includes multiple pedal surfaces (5-1), a connecting beam shaft (5-2), short load-bearing connecting rods of adjacent plates (5-3), and long load-bearing connecting rods of partition plates (5-4). The connecting beam shaft (5-2) passes through both the support beam system and the lowest pedal surface (5-1) and is fixed with nuts. The first and second pedal surfaces (5-1) are connected by the short load-bearing connecting rods of adjacent plates (5-3). The first, second, and third pedal surfaces (5-1) are connected by the long load-bearing connecting rods of partition plates (5-4). The second, third, and fourth pedal surfaces (5-1) are connected by the long load-bearing connecting rods of partition plates (5-4). This connection method continues until the last pedal surface (5-1) and the previous pedal surface (5-1) are connected by the short load-bearing connecting rods of adjacent plates (5-3). The angle and horizontal position of the telescopic tower crane walkway device are adjusted by the adjustable height rotation system (2) and the adjustable horizontal movement system (3).

2. The adjustable telescopic tower crane walkway device according to claim 1, characterized in that, The pedal surface (5-1) in the pedal telescopic system includes a U-shaped pedal steel plate surface (5-1-1), a square load-bearing pedal steel mesh (5-1-2), and a U-shaped steel beam (5-1-3). The U-shaped steel beam (5-1-3) is used to increase the load-bearing capacity of the device, and the square load-bearing pedal steel mesh (5-1-2) is used to reduce the weight of the device.

3. The adjustable telescopic tower crane walkway device according to claim 1, characterized in that, The device also includes a hydraulic system (4), which includes a triangular connector (4-1) and a hydraulic rod (4-2). The triangular connector (4-1) is connected to both sides of the U-shaped slide beam (1-4). One side of the hydraulic rod (4-2) is connected to the triangular connector (4-1), and the other side is connected to the pedal telescopic system (5) for controlling the unfolding and retraction of the pedal.

4. An adjustable telescopic tower crane walkway device according to claim 1, characterized in that, The device also includes a tail pull-out auxiliary pedal system (6), which includes a tail plate slide groove (6-2) and a slot (6-3). The tail plate slide groove (6-2) is located on both sides of the last pedal surface (5-1) and is closed at both ends. Several slots (6-3) are provided on both sides of the tail plate slide groove (6-2).

5. An adjustable telescopic tower crane walkway device according to claim 4, characterized in that, The tail pull-out auxiliary pedal system (6) also includes a telescopic tail plate (6-1), a pulley (6-4), an L-shaped clip (6-5), and an elastic element (6-6). The telescopic tail plate (6-1) is slidably connected to the tail plate groove (6-2). I-beam guide rods are provided on both sides of the telescopic tail plate (6-1), and a pulley (6-4) is installed under the guide rods. An L-shaped clip (6-5) and an elastic element (6-6) are provided inside the guide rods. The tail pull-out auxiliary pedal system (6) is used to make up the difference when the distance is less than one pedal surface.

6. A method of using an adjustable telescopic tower crane walkway device, applied to an adjustable telescopic tower crane walkway device as described in any one of claims 1-5, characterized in that, include: S100. The attached I-beam (1-1) is connected to the shear walls on both sides of the opening in the exterior wall of the main building using expansion bolts. S200. Observe the height of the tower crane, start the vertical motors on both sides (2-2), drive the shaft gear (2-3) to rotate, and transmit the gears to the transmission gear (2-6) through the meshing relationship between the gears. The transmission gear (2-6) drives the supporting I-beam (1-2) to rotate as well, and adjust the angle of the device. S300. Observe the position of the tower crane. After the angle is adjusted, turn on the micro motor (3-1). The self-rotating gear (3-2) rotates with the fixed rod (3-3) as the fulcrum. Through the meshing relationship of the gear and the tooth groove, it drives the U-shaped sliding beam (1-4) to move left and right, and adjusts the horizontal position of the device. S400, control the end of the short load-bearing link (5-3) of the adjacent plate, and unfold the pedal telescopic system with the center end of the pedal of the short load-bearing link (5-3) of the adjacent plate as the center. Other pedal surfaces (5-1) also unfold along with the unfolding of the first-layer pedal surface. S500. After the last step is unfolded and placed on the horizontal web of the tower crane, if the step length is insufficient, the tail pull-out auxiliary step system (6) is activated. The telescopic tail auxiliary plate (6-1) is pulled out, clamping the L-shaped clips (6-5) on both sides. The elastic element (6-6) retracts and slides forward in the slot (6-3). After reaching the specified length, the L-shaped clips (6-5) on both sides are released, and the elastic element (6-6) is clamped in the slot (6-3), so that the pull-out telescopic tail auxiliary plate (6-1) is fixed in the specified position. When the slide plate needs to be retracted, it is only necessary to clamp the L-shaped clips (6-5) on both sides to slide in the reverse direction. S600. After all steps are completed, install the molded railings at the railing openings in the middle of both sides of each tread.

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