Self-propelled cross arm assembling device based on hanging basket, worm gear and worm and using method of self-propelled cross arm assembling device

Abstract

The invention discloses a self-propelled cross arm assembling device based on a hanging basket, a worm gear and a worm and a using method of the self-propelled cross arm assembling device. The self-propelled cross arm assembling device comprises a walking device, a hoisting mechanism and a hanging basket mechanism. The walking device is installed on the cross arm assembly and used for driving the hanging basket mechanism to move towards the tail end of the assembling direction of the cross arm assembly. The hoisting mechanism is installed on the walking device and used for hoisting a cross arm assembly after moving to the tail end of the cross arm assembly direction. The hanging basket mechanism is used for bearing installation workers. A mature hanging basket construction technology and a worm and gear mechanism design technology in bridge construction are adopted, locking and sliding of the crane base on an ultra-long cross arm can be achieved through a compact and light-weight sliding hoisting model machine, and therefore the length of a suspension arm is shortened, the stability of the hoisting process is improved, operation safety is guaranteed, and the construction efficiency is improved. The construction efficiency is improved; the construction period is shortened; meanwhile, a worm and gear mechanism structure is adopted, the suspension arm can be prevented from bearing bending moment, the bearing capacity of the suspension arm is improved, and force is transmitted to the tower body.

Description

Technical Field

[0001] The present invention relates to the technical field of super-long crossarm installation, and in particular to a self-propelled crossarm assembly device based on a hanging basket and a worm gear and a use method thereof. Background Art

[0002] Extra-long crossarms are usually extra-large, extra-high and extra-heavy, weighing between 80 and 100 tons and up to 80 meters in length. Their huge size and weight make them difficult to hoist and install in the traditional way. As extra-long crossarms are too long, they need to be installed at a remote location, which means that traditional hoisting methods and equipment cannot meet the requirements for the placement of the crossarms, and new hoisting solutions need to be found.

[0003] At present, the commonly used cross arm hoisting methods include suspended pole hoisting and ground pole hoisting. When the ground pole cannot be transported to the tower, temporary measures need to be adopted to form a suspended pole assembly mold plan, which is labor-intensive and safety cannot be guaranteed.

[0004] In view of this, this application is hereby filed. Summary of the invention

[0005] The technical problem to be solved by the present invention is that the traditional lifting methods and equipment at this stage cannot meet the requirements for the positioning of extra-long crossarms. The present invention provides a self-propelled crossarm assembly device based on a hanging basket and a worm gear and a method of using the same. Combining the mature hanging basket construction technology and worm gear mechanism technology, through a compact and lightweight sliding lifting prototype, the crane base can be locked and slipped on the extra-long crossarm, thereby shortening the boom length, improving the stability of the lifting process, ensuring operation safety, improving construction efficiency and shortening construction period.

[0006] The present invention is achieved through the following technical solutions:

[0007] In a first aspect, the present invention provides a self-propelled cross arm assembly device based on a hanging basket and a worm gear, comprising a walking device, a lifting mechanism and a hanging basket mechanism;

[0008] The walking device is installed on the cross arm assembly and is used to drive the hanging basket mechanism to move toward the end of the cross arm assembly direction;

[0009] The lifting mechanism is installed on the traveling device and is used to lift the cross arm assembly after the traveling device moves to the end of the cross arm assembly direction;

[0010] The hanging basket mechanism is used for carrying installation workers.

[0011] In a specific embodiment, the walking device includes a climbing formwork track, a worm transmission mechanism, a worm gear transmission mechanism and a brake system;

[0012] The climbing formwork track is pre-installed in sections at the root of each cross arm assembly;

[0013] The worm gear transmission mechanism is slidably connected to the climbing formwork track, the worm gear transmission mechanism is fixedly connected to the hanging basket mechanism, the worm gear transmission mechanism is tightly meshed with the worm gear transmission mechanism, and the walking device moves along the climbing formwork track from one end of the cross arm assembly to the end of the cross arm assembly assembly direction through the start and stop of the dual motors of the worm gear and the worm;

[0014] The brake system is installed between the worm gear transmission mechanism and the climbing mold track and is used to lock the worm gear transmission mechanism.

[0015] In a specific embodiment, the worm gear transmission mechanism includes a worm gear support frame and a worm gear; the worm gear transmission mechanism includes a worm gear mounting frame and a worm gear;

[0016] The worm gear is mounted on a worm gear support frame, and both ends of the worm gear support frame are slidably mounted on the climbing formwork track through a first upper pulley and a second upper pulley respectively; a brake system is installed between the first upper pulley, the second upper pulley and the climbing formwork track;

[0017] The worm is mounted on a worm mounting frame, and the worm mounting frame is fixedly mounted on the hanging basket mechanism;

[0018] The worm meshes below the worm wheel.

[0019] Specifically, the worm gear mechanism walking device has a limit distance for each walking, and the limit distance depends on the length of the worm, and the length of the worm should be less than the length of the load-bearing platform on the hanging basket.

[0020] In a specific embodiment, the hanging basket mechanism includes a hanging basket, a load-bearing platform and a locking device;

[0021] The upper end of the load-bearing platform is slidably connected to the climbing formwork track through a first upper pulley and a second lower pulley and is equipped with a locking device, and the lower end of the load-bearing platform is equipped with a hanging basket;

[0022] The worm mounting frame is fixedly connected to the load-bearing platform.

[0023] In a specific embodiment, the lifting mechanism includes a lifting arm, a luffing mechanism and a luffing indicator;

[0024] The boom is mounted on a worm gear support frame;

[0025] The lower end of the luffing mechanism is fixedly connected to the worm gear support frame, the luffing mechanism is connected to the bottom of the boom through a rotating joint, and the luffing mechanism controls the tilt angle of the boom through a pull wire;

[0026] The luffing indicator is installed at the top of the boom and is used to feedback the tilt angle of the boom.

[0027] Among them, the amplitude change indicator can adopt a pressure sensor.

[0028] In a specific embodiment, the lifting mechanism also includes a double capstan winch installed on a tower pole, one end of the pull wire of the variable length mechanism is connected to the middle of the boom, and the other end is wound around the double capstan winch, a suspension wire is provided at the top of the boom, one end of the suspension wire hangs freely, and the other end is wound around the double capstan winch.

[0029] In a specific embodiment, the climbing formwork track is made of I-beams, the upper wing of the I-beams is connected to the truss mechanism of the cross arm assembly, and the lower wing serves as the track of the walking device.

[0030] In a specific embodiment, two luffing mechanisms are provided, which are respectively arranged on both sides of the cross arm assembly.

[0031] In a second aspect, the present invention provides a method for using a self-propelled crossarm assembly device based on a hanging basket and a worm gear.

[0032] The climbing formwork track is installed to the crossarm root assembly, and an I-beam is pre-installed at the bottom of each crossarm assembly. The climbing formwork track is extended as the crossarm is installed;

[0033] Use the holding rod to lift and install the cross arm root assembly;

[0034] Use the holding rod to lift the hanging basket and the traveling device to the cross arm root assembly, and install the traveling device on the cross arm root assembly;

[0035] The boom moves to the lifting position of the rear section of the cross arm root assembly, and the luffing mechanism and the load-bearing platform are fixed by bolts;

[0036] The luffing mechanism adjusts the inclination angle of the boom and makes fine adjustments based on the value fed back by the luffing indicator;

[0037] Start the cycle, start the crane, lift the cross arm assembly with the boom, lift the cross arm assembly to the corresponding position, and the worker installs the cross arm assembly;

[0038] Start the walking device, which moves the hanging basket forward to the predetermined position;

[0039] Lock the traveling device, start the lifting mechanism, and the boom begins to lift the next cross arm assembly and install the cross arm.

[0040] Determine whether the cross arm assembly has been installed. If the installation is not completed, continue the cycle; if the installation is completed, end the cycle;

[0041] Start the traveling device, which moves the hanging basket back to the cross arm root assembly;

[0042] The holding rod hangs the hanging basket and the traveling device, the workers dismantle the traveling device, and then hang it down with the holding rod, completing the entire installation process of the extra-long crossarm.

[0043] In a specific embodiment, the method of using the walking device is as follows:

[0044] Close the locking device of the first lower pulley and the second lower pulley, open the brake system of the first upper pulley and the second upper pulley to lock the worm gear transmission mechanism and the climbing formwork track, the worm mounting frame and the hanging basket are fixedly connected, the worm wheel rotates, the worm is in a self-locking state, the load-bearing platform, the hanging basket and the worm gear transmission mechanism track move horizontally, and stop when reaching the worm limit position;

[0045] The brake systems of the first upper pulley and the second upper pulley are closed, and the locking devices of the first lower pulley and the second lower pulley are opened to lock the load-bearing platform and the climbing formwork track. The worm rotates, the worm wheel is in a brake locked state, and the worm wheel transmission mechanism moves horizontally along the climbing formwork track;

[0046] Determine whether the worm gear has reached the specified position. After reaching the specified position, enter the next cycle to move the hanging basket and the boom forward along the climbing mold track to the travel limit;

[0047] Determine whether the hanging basket has reached the specified position (near the edge of the crossarm assembly). If so, exit the loop; if not, continue the loop.

[0048] In a specific embodiment, the luffing mechanism is started to adjust the inclination angle of the boom, and the value displayed by the luffing indicator (the pressure exerted on the boom) is used to determine whether it is adjusted to a reasonable position (the direction of the force is along the direction of the boom, and the boom is only subjected to pressure), thereby improving the carrying capacity of the boom, reducing the load, and transmitting the force to the tower body.

[0049] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0050] 1. The self-propelled crossarm assembly device based on a hanging basket and a worm gear and the use method thereof provided in the embodiment of the present invention adopts the mature hanging basket construction technology and worm gear mechanism design technology in bridge construction, and can achieve the locking and sliding of the crane base on the extra-long crossarm through a compact and lightweight sliding hoisting prototype, thereby shortening the boom length, improving the stability of the hoisting process, ensuring the safety of the operation, improving the construction efficiency and shortening the construction period;

[0051] 2. The self-propelled cross arm assembly device based on a hanging basket and a worm gear and the use method thereof provided in the embodiment of the present invention adopts a worm gear hoisting structure, which can avoid the boom from being subjected to bending moment, improve the carrying capacity of the boom, and transmit the force to the tower body. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0053] Figure 1 A schematic structural diagram of a self-propelled crossarm assembly device provided in an embodiment of the present invention;

[0054] Figure 2 A diagram showing the position of the self-propelled cross-arm assembly device provided in an embodiment of the present invention when working on an ultra-high voltage tower;

[0055] Figure 3 A diagram showing the position of the self-propelled crossarm assembly device provided in an embodiment of the present invention when installed on the crossarm of an ultra-high voltage tower.

[0056] Drawings and parts markings:

[0057] 1-first upper pulley, 2-second upper pulley, 3-worm gear support frame, 4-worm gear, 5-first lower pulley, 6-second lower pulley, 7-hanging basket, 8-double capstan winder, 9-hanging line, 10-luffing mechanism, 11-climbing formwork track, 12-brake system, 13-luffing indicator, 14-load-bearing platform, 15-worm gear mounting frame, 16-worm, 17-jib. DETAILED DESCRIPTION

[0058] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0059] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is apparent to those of ordinary skill in the art that these specific details need not be employed to practice the present invention. In other embodiments, in order to avoid obscuring the present invention, well-known materials or methods are not specifically described.

[0060] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0061] In the description of the present invention, the directions or positional relationships indicated by terms such as “front”, “rear”, “left”, “right”, “up”, “down”, “vertical”, “horizontal”, “high”, “low”, “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 should not be understood as limiting the scope of protection of the present invention.

[0062] Example 1

[0063] like Figure 1-Figure 3 As shown, an embodiment of the present invention provides a self-propelled cross arm assembly device based on a hanging basket and a worm gear, including a walking device, a lifting mechanism and a hanging basket mechanism;

[0064] The walking device is installed on the cross arm assembly and is used to drive the hanging basket mechanism to move toward the end of the cross arm assembly direction;

[0065] The lifting mechanism is installed on the traveling device and is used to lift the cross arm assembly after the traveling device moves to the end of the cross arm assembly direction;

[0066] The hanging basket mechanism is used for carrying installation workers.

[0067] In a specific embodiment, the walking device includes a climbing formwork track 11, a worm transmission mechanism, a worm gear transmission mechanism and a brake system 12;

[0068] The climbing formwork rail 11 is pre-installed in sections at the root of each cross arm assembly;

[0069] The worm gear transmission mechanism is slidably connected to the climbing formwork track, the worm gear transmission mechanism is fixedly connected to the hanging basket mechanism, the worm gear transmission mechanism is tightly engaged below the worm gear transmission mechanism, and the walking device moves along the climbing formwork track from one end of the cross arm assembly to the end of the cross arm assembly assembly direction through the start and stop of the dual motors of the worm gear and the worm gear;

[0070] The brake system is installed between the worm gear transmission mechanism and the climbing mold track and is used to lock the worm gear transmission mechanism.

[0071] In a specific embodiment, the worm gear transmission mechanism includes a worm gear support frame 3 and a worm gear 4; the worm gear transmission mechanism includes a worm mounting frame 15 and a worm 16;

[0072] The worm gear is mounted on a worm gear support frame, and both ends of the worm gear support frame are slidably mounted on the climbing formwork track through a first upper pulley 1 and a second upper pulley 2 respectively; a brake system is installed between the first upper pulley 1 and the second upper pulley 2 and the climbing formwork track 11;

[0073] The worm is mounted on a worm mounting frame, and the worm mounting frame is fixedly mounted on the hanging basket mechanism;

[0074] The worm is tightly meshed below the worm wheel.

[0075] Specifically, the worm gear mechanism walking device has a limit distance for each walking, and the limit distance depends on the length of the worm, and the length of the worm should be less than the length of the load-bearing platform on the hanging basket.

[0076] In a specific embodiment, the hanging basket mechanism includes a hanging basket 7, a load-bearing platform 14 and a locking device;

[0077] The upper end of the load-bearing platform is slidably connected to the climbing formwork track through the first lower pulley 5 and the second lower pulley 6 and is equipped with a locking device, and the lower end of the load-bearing platform is equipped with a hanging basket;

[0078] The worm mounting frame is fixedly connected to the load-bearing platform.

[0079] In a specific embodiment, the lifting mechanism includes a lifting arm 17, a luffing mechanism 10 and a luffing indicator 13;

[0080] The boom is mounted on a worm gear support frame;

[0081] The lower end of the luffing mechanism is fixedly connected to the worm gear support frame, the luffing mechanism is connected to the bottom of the boom through a rotating joint, and the luffing mechanism controls the tilt angle of the boom through a pull wire;

[0082] The luffing indicator is installed at the top of the boom and is used to feedback the tilt angle of the boom.

[0083] Among them, the amplitude change indicator can adopt a pressure sensor.

[0084] In a specific embodiment, the lifting mechanism also includes a double capstan winch 8 installed on the tower pole, one end of the pull wire of the variable length mechanism is connected to the middle of the boom, and the other end is wound around the double capstan winch, and a suspension wire 9 is provided at the top of the boom, one end of the suspension wire hangs freely, and the other end is wound around the double capstan winch.

[0085] In a specific embodiment, the climbing formwork track is made of I-beams, the upper wing of the I-beams is connected to the truss mechanism of the cross arm assembly, and the lower wing serves as the track of the walking device.

[0086] In a specific embodiment, two luffing mechanisms are provided, which are respectively arranged on both sides of the cross arm assembly.

[0087] Example 2

[0088] The embodiment of the present invention provides a method for using a self-propelled crossarm assembly device based on a hanging basket and a worm gear, wherein a climbing formwork track is installed to a crossarm root assembly, and an I-beam is pre-installed at the bottom of each crossarm assembly, and the climbing formwork track is extended as the crossarm is installed;

[0089] Use the holding rod to lift and install the cross arm root assembly;

[0090] Use the holding rod to lift the hanging basket and the traveling device to the cross arm root assembly, and install the traveling device on the cross arm root assembly;

[0091] The boom moves to the lifting position of the rear section of the cross arm root assembly, and the luffing mechanism and the load-bearing platform are fixed by bolts;

[0092] The luffing mechanism adjusts the inclination angle of the boom and makes fine adjustments based on the value fed back by the luffing indicator;

[0093] Start the cycle, start the crane, lift the cross arm assembly with the boom, lift the cross arm assembly to the corresponding position, and the worker installs the cross arm assembly;

[0094] Start the walking device, which moves the hanging basket forward to the predetermined position;

[0095] Lock the traveling device, start the lifting mechanism, and the boom begins to lift the next cross arm assembly and install the cross arm.

[0096] Determine whether the cross arm assembly has been installed. If the installation is not completed, continue the cycle; if the installation is completed, end the cycle;

[0097] Start the traveling device, which moves the hanging basket back to the cross arm root assembly;

[0098] The holding pole hangs the hanging basket and the traveling device, and the workers dismantle the traveling device and then hang it down with the holding pole, completing the entire installation process of the extra-long cross arm;

[0099] Install the climbing formwork track 11 to the crossarm root assembly, and install an I-beam at the bottom of each crossarm assembly in advance. The climbing formwork track is extended as the crossarm is installed;

[0100] Use the holding rod to lift and install the cross arm root assembly;

[0101] Use the holding rod to lift the hanging basket 7 and the traveling device to the cross arm root assembly, and install the traveling device on the cross arm root assembly;

[0102] The boom 17 moves to the rear lifting position of the cross arm root assembly, and the luffing mechanism 10 and the load-bearing platform 14 are fixed by bolts;

[0103] The luffing mechanism adjusts the inclination angle of the boom and makes fine adjustments based on the value fed back by the luffing indicator;

[0104] Start the cycle, start the crane, lift the cross arm assembly with the boom, lift the cross arm assembly to the corresponding position, and the worker installs the cross arm assembly;

[0105] The walking device is started, and the walking device moves the hanging basket forward to the predetermined position;

[0106] Lock the traveling device, start the lifting mechanism, and the boom begins to lift the next cross arm assembly and install the cross arm;

[0107] Determine whether the cross arm assembly has been installed. If the installation is not completed, continue the cycle; if the installation is completed, end the cycle;

[0108] Start the traveling device, which moves the hanging basket back to the cross arm root assembly;

[0109] The holding rod hangs the hanging basket and the traveling device, the workers dismantle the traveling device, and then hang it down with the holding rod, completing the entire installation process of the extra-long crossarm.

[0110] Among them, the use method of the walking device is as follows:

[0111] Close the locking device of the first lower pulley and the second lower pulley, open the brake system of the first upper pulley and the second upper pulley to lock the worm gear transmission mechanism and the climbing formwork track, the worm mounting frame and the hanging basket are fixedly connected, the worm wheel rotates, the worm is in a self-locking state, the load-bearing platform, the hanging basket and the worm gear transmission mechanism track move horizontally, and stop when reaching the worm limit position;

[0112] The brake systems of the first upper pulley and the second upper pulley are closed, and the locking devices of the first lower pulley and the second lower pulley are opened to lock the load-bearing platform and the climbing formwork track. The worm rotates, the worm wheel is in a brake locked state, and the worm wheel transmission mechanism moves horizontally along the climbing formwork track;

[0113] Determine whether the worm gear has reached the specified position. After reaching the specified position, enter the next cycle to move the hanging basket and the boom forward along the climbing mold track to the travel limit;

[0114] Determine whether the hanging basket has reached the specified position (near the edge of the crossarm assembly). If so, exit the loop; if not, continue the loop.

[0115] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A self-propelled cross arm assembly device based on a hanging basket and a worm gear, characterized in that: It includes a walking device, a lifting mechanism and a hanging basket mechanism; The walking device is installed on the cross arm assembly and is used to drive the hanging basket mechanism to move toward the end of the cross arm assembly direction; The lifting mechanism is installed on the traveling device and is used to lift the cross arm assembly after the traveling device moves to the end of the cross arm assembly direction; The hanging basket mechanism is used for carrying installation workers.

2. The self-propelled cross arm assembly device based on the hanging basket and the worm gear according to claim 1 is characterized in that: The walking device includes a climbing formwork track, a worm transmission mechanism, a worm gear transmission mechanism and a brake system; The climbing formwork track is pre-installed in sections at the root of each cross arm assembly; The worm gear transmission mechanism is slidably connected to the climbing formwork track, the worm gear transmission mechanism is fixedly connected to the hanging basket mechanism, the worm gear transmission mechanism is meshed with the worm gear transmission mechanism, and the walking device moves along the climbing formwork track from one end of the cross arm assembly to the end of the cross arm assembly assembly direction through the start and stop of the dual motors of the worm gear and the worm; The brake system is installed between the worm gear transmission mechanism and the climbing mold track and is used to lock the worm gear transmission mechanism.

3. The self-propelled cross arm assembly device based on the hanging basket and the worm gear according to claim 2 is characterized in that: The worm gear transmission mechanism includes a worm gear support frame and a worm gear; the worm gear transmission mechanism includes a worm gear mounting frame and a worm gear; The worm gear is mounted on a worm gear support frame, and both ends of the worm gear support frame are slidably mounted on the climbing formwork track through a first upper pulley and a second upper pulley respectively; a brake system is installed between the first upper pulley, the second upper pulley and the climbing formwork track; The worm is mounted on a worm mounting frame, and the worm mounting frame is fixedly mounted on the hanging basket mechanism; The worm is meshed below the worm gear transmission mechanism.

4. The self-propelled cross arm assembly device based on a hanging basket and a worm gear according to claim 3 is characterized in that: The hanging basket mechanism comprises a hanging basket, a load-bearing platform and a locking device; The upper end of the load-bearing platform is slidably connected to the climbing formwork track through the first lower pulley and the second lower pulley and is equipped with a locking device, and the lower end of the load-bearing platform is equipped with a hanging basket; The worm mounting frame is fixedly connected to the load-bearing platform.

5. The self-propelled cross arm assembly device based on a hanging basket and a worm gear according to claim 4 is characterized in that: The lifting mechanism comprises a lifting arm, a luffing mechanism and a luffing indicator; The boom is mounted on a worm gear support frame; The lower end of the luffing mechanism is fixedly connected to the worm gear support frame, the luffing mechanism is connected to the bottom of the boom through a rotating joint, and the luffing mechanism controls the tilt angle of the boom through a pull wire; The luffing indicator is installed at the top of the boom and is used to feedback the tilt angle of the boom.

6. The self-propelled cross arm assembly device based on the hanging basket and the worm gear according to claim 5 is characterized in that: The lifting mechanism also includes a double capstan winch installed on the tower pole, one end of the pull wire of the variable length mechanism is connected to the middle part of the boom, and the other end is wound around the double capstan winch. A suspension wire is provided at the top of the boom, one end of the suspension wire hangs freely, and the other end is wound around the double capstan winch.

7. The self-propelled cross arm assembly device based on a hanging basket and a worm gear according to claim 2 is characterized in that: The climbing formwork track is made of I-beams, the upper wing of the I-beams is connected to the truss mechanism of the cross arm assembly, and the lower wing serves as the track of the walking device.

8. The self-propelled cross arm assembly device based on a hanging basket and a worm gear according to claim 5, characterized in that: The luffing mechanisms are provided with two, which are respectively arranged on both sides of the cross arm assembly.

9. A method for using the self-propelled cross arm assembly device based on a hanging basket and a worm gear as claimed in any one of claims 1 to 8, characterized in that: The steps include: Pre-install the climbing formwork track at the bottom of each cross arm assembly; Use the holding rod to lift and install the cross arm root assembly; Use the holding rod to lift the hanging basket and the traveling device to the cross arm root assembly, and install the traveling device on the cross arm root assembly; Move the boom to the rear lifting position of the cross arm root assembly, and fix the luffing mechanism and the load-bearing platform; The luffing mechanism adjusts the inclination angle of the boom; The cycle starts, the crane arm lifts the cross arm assembly, lifts the cross arm assembly to the corresponding position, and the worker installs the cross arm assembly; Start the walking device, which moves the hanging basket forward to the predetermined position; Lock the traveling device, start the lifting mechanism, and the boom starts to lift the next cross arm and install the cross arm. Repeat the above steps until all cross arm components are installed and the cycle ends; The walking device moves the hanging basket back to the cross arm root assembly.

10. The method for using the self-propelled cross arm assembly device based on the hanging basket and the worm gear according to claim 9, characterized in that: The use of the walking device is as follows: Close the locking device of the first lower pulley and the second lower pulley, open the brake system of the first upper pulley and the second upper pulley to lock the worm gear transmission mechanism and the climbing formwork track, the worm mounting frame and the hanging basket are fixedly connected, the worm wheel rotates, the worm is in a self-locking state, the load-bearing platform, the hanging basket and the worm gear transmission mechanism track move horizontally, and stop when reaching the worm limit position; The brake systems of the first upper pulley and the second upper pulley are closed, and the locking devices of the first lower pulley and the second lower pulley are opened to lock the load-bearing platform and the climbing formwork track. The worm rotates, the worm wheel is in a brake locked state, and the worm wheel transmission mechanism moves horizontally along the climbing formwork track; Determine whether the worm gear has reached the specified position. After reaching the specified position, enter the next cycle, so that the hanging basket and the boom move forward along the climbing formwork track to the travel limit.

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