Foldable high-altitude traction device with adjustable center of gravity and use method of foldable high-altitude traction device

Abstract

The invention discloses a foldable high-altitude traction device with an adjustable gravity center and a use method of the foldable high-altitude traction device. Under the action of extension of an air cylinder, a balancing weight can drive a second traction rope to move, and along with traction of the second traction rope, a moving vehicle can be driven to realize opposite movement of the balancing weight and the moving vehicle; when the air cylinder contracts, the balancing weight can drive the first traction rope to move, the moving trolley is driven through traction of the first traction rope, the balancing weight and the moving trolley move oppositely, the gravity center of the whole device can be adjusted through the arrangement, the stability of the device is kept all the time, and the practicability of the device is improved; the first connecting rod and the second connecting rod rotate with the rotating frame as a shaft, under the action of rotation, the U-shaped bottom frame can be integrally folded in the vertical direction to be in a U shape, and after the U-shaped bottom frame is folded, the U-shaped bottom frame can be placed on a moving vehicle to be assembled through cooperation between the inserting columns and the inserting holes. The overall movement of the device is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of high-altitude traction, and in particular to a foldable high-altitude traction device with adjustable center of gravity and a use method thereof. Background Art

[0002] With the continuous development of science and technology, existing buildings are gradually moving towards high-rise buildings. The construction of high-rise buildings often requires workers to lift materials through traction devices. Therefore, traction devices are one of the indispensable devices in the existing high-rise building construction. For example, the existing public document CN113353815A discloses a high-altitude suspension safety traction device for building construction, which includes a traction component for lifting goods, and a power component installed on the lower side of the traction component to provide power for the movement of its position; by setting a sliding component, the loaded goods can be moved to a position away from the edge for disassembly, thereby improving safety and avoiding the risk of operators falling during high-altitude operations. The overall structure is simple, the operation is convenient, time-saving and labor-saving, and the practicability is strong, and it has a high value for promotion and use.

[0003] The traction devices in the existing public documents have the characteristics of high safety and high practicality in use, but still have the following shortcomings in actual use: 1. When the existing traction device is in use, as the telescopic rod drives the base to move, the center of gravity of the entire device will move, which leads to poor overall stability of the device and the risk of overturning; 2. The overall structure of the existing traction device is fixed, which makes it inconvenient to carry the entire device. If the staff wants to carry the device to a specified height, it needs to consume a lot of labor; 3. Because the weight of the materials that need to be lifted by the traction device during construction is not the same, and in order to avoid the device from overturning during the lifting process, it is often necessary to fix the device on the building. Such measures are inconvenient to disassemble and assemble, and on the other hand, they will cause certain damage to the building itself. Summary of the invention

[0004] The invention provides a foldable high-altitude traction device with adjustable center of gravity and a use method thereof, which are used to solve the technical problems of poor stability, inconvenient transfer, inconvenient assembly and disassembly, poor flexibility and the like of the existing traction device.

[0005] To achieve the above object, the present invention adopts the following technical solution: The present invention provides a foldable high-altitude traction device with adjustable center of gravity, comprising a hanging frame, a mobile vehicle and a U-shaped frame; the mobile vehicle is movably arranged on the inner side of the U-shaped frame, and the hanging frame is arranged on the upper end surface of the mobile vehicle on the side away from the closed end of the U-shaped frame; a counterweight block is also arranged on the inner side of the U-shaped frame, and a cylinder is arranged on the side of the counterweight block away from the mobile vehicle, and a fixed section of the cylinder is fixedly arranged on the closed end of the U-shaped frame; two first guide wheels are symmetrically arranged on the upper end surface of the open end of the U-shaped frame, and a first traction rope is arranged around the first guide wheel, one end of the first traction rope is connected to the mobile vehicle, and the other end is connected to the counterweight block; two second guide wheels are arranged on the upper end surface of the closed end of the U-shaped frame, and a second traction rope is arranged around the second guide wheel, one end of the second traction rope is connected to the counterweight block, and the other end is connected to the mobile vehicle; two side rods of the U-shaped frame They are all composed of three rod bodies, including a first connecting rod in the middle and second connecting rods arranged at both ends of the first connecting rod. A rotating frame is arranged on the top surface of the connection between the first connecting rod and the second connecting rod, so that the first connecting rod and the second connecting rod can rotate ninety degrees with the rotating frame as the axis to realize the folding of the U-shaped chassis; the hanging frame is an inverted L-shape as a whole, including a rectangular frame arranged horizontally on the top and two supporting rods arranged vertically; the third guide wheel is arranged on the lower end surface of the middle part of a group of short sides of the rectangular frame perpendicular to the side rods of the U-shaped chassis, and a support frame is arranged in the middle of the support rod, and the support frame is provided with rollers and a motor; a rotating shaft is sleeved on the roller, and the rotating shaft is rotatably connected with the support frame and the motor; a lifting rope is arranged on the third guide wheel, and a hook for hanging goods is arranged at one end of the lifting rope, and the other end of the lifting rope is wound around the roller.

[0006] Preferably, a plurality of I-shaped rollers are spaced apart on the two sides of the mobile vehicle near the side rods of the U-shaped chassis. The two side rods of the U-shaped chassis are channel steels with openings facing each other. Guide strips are provided on the upper and lower walls of the side rods for limiting and guiding the I-shaped rollers.

[0007] Preferably, a first slot is provided on both sides of the upper end surface of the end of the mobile vehicle close to the open end of the U-shaped underframe, and a second slot is provided on both sides of the upper end surface of the end of the counterweight block close to the mobile vehicle, and L-shaped plug plates are provided in the first slot and the second slot, and the vertical part of the L-shaped plug plate is inserted in the first slot or the second slot and the height of the vertical part is greater than the height of the bogie, and the upper end surface of the transverse part of the L-shaped plug plate is provided with a first hanging rod; one end of the first traction rope is fixed to the first hanging rod at the position of the first slot, and the other end is fixed to the first hanging rod at the position of the second slot.

[0008] Preferably, two second hanging rods are arranged on the side of the end of the mobile vehicle close to the counterweight block, and two third hanging rods are arranged on the upper end surface of one side of the counterweight block close to the cylinder. One end of the second traction rope is fixed on the second hanging rod, and the other end is fixed on the third hanging rod.

[0009] Preferably, a fourth hanging rod is arranged in the middle of a side surface of the frame close to the closed end of the U-shaped base frame, a fifth hanging rod is arranged in the middle of the end side surface of the moving vehicle close to the counterweight block, and a third traction rope is connected between the fourth hanging rod and the fifth hanging rod.

[0010] Preferably, a rectangular through groove is provided on the upper end surface of the end of the mobile vehicle close to the opening end of the U-shaped base frame, which is used to cooperate with the support rods on both sides of the plug-in hanging rack; guide plates are provided on both sides of the rectangular through groove and the upper end surface of the mobile vehicle, guide columns are provided between the guide plates, and a vertically arranged guide groove is provided at the lower end of the support rod, and the guide column passes through the guide groove to limit the support rod.

[0011] Preferably, the mobile vehicle is provided with four evenly distributed sockets that pass through the upper and lower end surfaces of the mobile vehicle; the outer side surfaces of the first connecting rod and the second connecting rod are each provided with two plug posts for matching the sockets, and the spacing of the plug posts is equal to the spacing of the sockets.

[0012] Preferably, it also includes a reinforcement plate, which is fitted at the connection between the first connecting rod and the second connecting rod; two positioning columns are arranged in the middle of the reinforcement plate, and two positioning holes for cooperating with the positioning columns are correspondingly arranged on the outer side of the first connecting rod, and the two ends of the reinforcement plate are fixedly connected to the second connecting rod by bolts.

[0013] Preferably, the first hanging rod, the second hanging rod, the third hanging rod, the fourth hanging rod and the fifth hanging rod are all L-shaped rods; the first traction rope, the second traction rope and the third traction rope have the same structure, including a rope body and hanging rings arranged at both ends of the rope body for hanging with the hanging rods.

[0014] The present invention also provides a method for using the above-mentioned adjustable and easy-to-carry high-altitude traction device, comprising the following steps: Step 1, assembling the device: placing the U-shaped chassis on the lifting platform, installing the mobile vehicle in the U-shaped chassis, installing the hanging frame on the mobile vehicle, installing the counterweight, and connecting the mobile vehicle and the counterweight using the first traction rope and the second traction rope; Step 2: Hoisting cargo: the cylinder extends to drive the counterweight to one side of the mobile vehicle. At the same time, under the traction of the second traction rope, the mobile vehicle will also move synchronously toward the counterweight, so as to facilitate the transfer of cargo to the interior of the building; the cylinder contracts to drive the counterweight to the side farther from the mobile vehicle. At the same time, under the traction of the first traction rope, the mobile vehicle will also move synchronously to the side farther from the counterweight, so as to facilitate continued hoisting; Step three, transfer device: first, separate the U-shaped chassis and the mobile vehicle, and then use the rotating frame to rotate the first connecting rod and the second connecting rod to realize the folding of the U-shaped chassis; then, pull up the hanging frame to disengage the support rod from the rectangular through groove, and then rotate the hanging frame clockwise with the guide column as the axis to place the hanging frame on the upper end surface of the mobile vehicle; finally, insert the plug column on one side of the U-shaped chassis into the socket on the mobile vehicle to transform the device into a transportation state. At this time, the I-shaped roller becomes a mobile device, and the rectangular frame of the hanging frame becomes a push handle, and the entire device can be conveniently transferred by pushing the rectangular frame.

[0015] The beneficial effects of the present invention are embodied in: 1) The present invention provides a foldable high-altitude traction device with adjustable center of gravity and a method for using the device. When the cylinder is extended, the counterweight block will drive the second traction rope to move, and the mobile vehicle will be driven by the traction of the second traction rope, so that the counterweight block and the mobile vehicle move toward each other; when the cylinder is contracted, the counterweight block will drive the first traction rope to move, and the traction of the first traction rope will drive the mobile vehicle, so that the counterweight block and the mobile vehicle move in opposite directions. Through this arrangement, the center of gravity of the entire device can be adjusted in actual use, the stability of the device is always maintained, and the practicality of the device is improved; 2) The present invention provides a foldable high-altitude traction device with an adjustable center of gravity and a method for using the device. When transporting, it is only necessary to use the rotating frame as an axis to realize the rotation between the first connecting rod and the second connecting rod. Under the action of the rotation, the U-shaped chassis can be folded into a U-shape in the vertical direction. After the U-shaped chassis is folded, the U-shaped chassis can be placed on a mobile vehicle through the cooperation between the plug column and the plug hole to realize assembly, which is convenient for the movement of the entire device, saving time, labor and time; 3) The present invention provides a foldable high-altitude traction device with an adjustable center of gravity and a method of using the device. In actual use, the counterweight bag can be pressed onto the plug column as needed to achieve the overall stability of the device, so that the staff can make corresponding adjustments according to the weight of the hoisted object in actual use. The hoisting weight range is wider, and it does not need to be fixed on the building to meet the use requirements, and will not cause damage to the building.

[0016] Other features and advantages of the present invention will be set forth in the following description, and in part will become apparent from the description, or may be understood by practicing the present invention; the main purpose and other advantages of the present invention may be realized and obtained through the solutions particularly pointed out in the description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional representation of the overall device of the present invention. Figure 1 .

[0018] Figure 2It is a three-dimensional representation of the overall device of the present invention. Figure 2 .

[0019] Figure 3 It is a schematic diagram of the connection between the hanging frame and the roller of the present invention.

[0020] Figure 4 It is a connection schematic diagram of the mobile vehicle, the U-shaped chassis and the counterweight block of the present invention.

[0021] Figure 5 It is a schematic diagram of the overall structure of the mobile vehicle of the present invention.

[0022] Figure 6 It is a schematic diagram of the overall structure of the counterweight block of the present invention.

[0023] Figure 7 It is a schematic diagram of the overall structure of the U-shaped chassis of the present invention.

[0024] Figure 8 It is a disassembled diagram of the first connecting rod and the reinforcement plate of the present invention.

[0025] Fig. 9 It is a schematic diagram of the overall structure of the L-shaped plug board of the present invention.

[0026] Fig.10 It is a schematic diagram of the structure of the first traction rope, the second traction rope or the third traction rope of the present invention.

[0027] Fig.11 It is a schematic structural diagram of the U-shaped chassis of the present invention after being folded.

[0028] Fig.12 It is a schematic diagram of the coordination of the hanging rack and the moving vehicle of the present invention in the transport state.

[0029] Figure numerals: 1-hanging frame, 2-mobile vehicle, 3-first traction rope, 4-U-shaped chassis, 5-counterweight, 6-second traction rope, 7-third traction rope, 8-roller, 9-L-shaped plug plate, 10-hanging ring, 101-third guide wheel, 102-fourth hanging rod, 103-guide groove, 104-rectangular frame, 105-support rod, 106-support frame, 201-I-shaped roller, 202-second hanging rod, 203-fifth hanging rod, 204-jack, 205-guide column, 206-rectangular through Slot, 207-first slot, 401-first guide wheel, 402-second guide wheel, 403-second connecting rod, 404-first connecting rod, 405-reinforcement plate, 406-rotating frame, 407-guide bar, 501-cylinder, 502-third hanging rod, 503-second slot, 801-lifting rope, 802-hook, 803-rotating shaft, 804-motor, 901-first hanging rod, 4031-insertion column, 4032-bolt, 4041-positioning hole, 4051-positioning column. DETAILED DESCRIPTION

[0030] The technical solution of the present invention is described in detail below through examples. The following examples are merely exemplary and can only be used to explain and illustrate the technical solution of the present invention, but cannot be interpreted as limiting the technical solution of the present invention.

[0031] This embodiment takes a certain building construction project as an example. When hoisting goods in the building, a high-altitude traction device with strong flexibility, high stability and high safety is designed. The center of gravity of the entire device can be adjusted during the hoisting process, so that the entire device always maintains a high stability; after the device is used, the device can be folded and reassembled, and the entire device can be transformed into a cart state, thereby realizing the convenient transfer of the entire device, greatly reducing the difficulty and labor consumption of transfer and transportation, and has strong economic benefits and application prospects.

[0032] Reference Figure 1 , Figure 2 and Figure 4 The present embodiment provides a foldable high-altitude traction device with an adjustable center of gravity, including a hanging frame 1, a mobile vehicle 2 and a U-shaped chassis 4; the mobile vehicle 2 is movably arranged on the inner side of the U-shaped chassis 4, and the hanging frame 1 is arranged on the upper end surface of the mobile vehicle 2 away from the closed end of the U-shaped chassis 4; a counterweight 5 is also arranged on the inner side of the U-shaped chassis 4, and a cylinder 501 is arranged on the side of the counterweight 5 away from the mobile vehicle 2, and a fixed section of the cylinder 501 is fixedly arranged at the closed end of the U-shaped chassis 4. The cylinder 501 can drive the counterweight 5 to move under the action of telescopic movement, and the specifications of the counterweight 5 can be changed according to the actual application scenario; Two first guide wheels 401 are symmetrically arranged on the upper end surface of the open end of the U-shaped chassis 4, and the first guide wheels 401 are arranged around the first traction rope 3, one end of the first traction rope 3 is connected to the moving vehicle 2, and the other end is connected to the counterweight block 5; two second guide wheels 402 are arranged on the upper end surface of the closed end of the U-shaped chassis 4, and the second guide wheels 402 are arranged around the second traction rope 6, one end of the second traction rope 6 is connected to the counterweight block 5, and the other end is connected to the moving vehicle 2; the two side rods of the U-shaped chassis 4 are composed of three sections of rod bodies, including a first connecting rod 404 in the middle, and second connecting rods 403 arranged at both ends of the first connecting rod 404, and a rotating frame 406 is arranged on the top surface of the connection between the first connecting rod 404 and the second connecting rod 403, so that the first connecting rod 404 and the second connecting rod 403 can be rotated ninety degrees with the rotating frame 406 as the axis to realize the folding of the U-shaped chassis 4; The hanging frame 1 is an inverted L-shape as a whole, including a rectangular frame 104 arranged horizontally at the top and two support rods 105 arranged vertically; a third guide wheel 101 is provided on the lower end surface of the middle part of a group of short sides of the rectangular frame 104 and the side rods of the U-shaped base frame 4 perpendicular to each other, and a support frame 106 is provided in the middle part of the support rod 105, and the support frame 106 is provided with a roller 8 and a motor 804; a rotating shaft 803 is sleeved on the roller 8, and the rotating shaft 803 is rotatably connected with the support frame 106 and the motor 804; a lifting rope 801 is provided on the third guide wheel 101, and a hook 802 for hanging goods is provided at one end of the lifting rope 801, and the other end of the lifting rope 801 is wound around the roller 8.

[0033] Reference Figure 3 A fourth hanging rod 102 is arranged in the middle of a side surface of the support frame 106 close to the closed end of the U-shaped base frame 4, and a fifth hanging rod 203 is arranged in the middle of the side surface of the end portion of the mobile vehicle 2 close to the counterweight block 5. A third traction rope 7 is connected between the fourth hanging rod 102 and the fifth hanging rod 203. The arrangement of the third traction rope 7 can improve the stability of the hanging rack 1 from the other side of the hanging rack 1.

[0034] Reference Figure 5-7 , a plurality of I-shaped rollers 201 are arranged at intervals on the two sides of the side rods of the U-shaped chassis 4 of the mobile car 2, the two side rods of the U-shaped chassis 4 are open and opposite channel steels, and guide strips 407 are arranged on the upper wall and the lower wall of the side rods, and the arrangement of the guide strips 407 can play a limiting and guiding role in the movement of the I-shaped rollers 201; a first slot 207 is arranged on both sides of the upper end surface of the end of the mobile car 2 close to the open end of the U-shaped chassis 4, and a second slot 503 is arranged on both sides of the upper end surface of the end of the counterweight block 5 close to the mobile car 2, and an L-shaped plug plate is arranged in the first slot 207 and the second slot 503, and the vertical part of the L-shaped plug plate is inserted in the first slot 207 or the second slot 503 and the height of the vertical part is greater than the height of the bogie, which avoids the mobile car 2 from being moved. When the vehicle 2 and the counterweight 5 are moved, there is an obstruction; the upper end surface of the transverse part of the L-shaped plug plate is provided with a first hanging rod 901; one end of the first traction rope 3 is fixed to the first hanging rod 901 at the position of the first slot 207, and the other end is fixed to the first hanging rod 901 at the position of the second slot 503; two second hanging rods 202 are provided on the side of the end of the mobile vehicle 2 close to the counterweight 5, and two third hanging rods 502 are provided on the upper end surface of the side of the counterweight 5 close to the cylinder 501, one end of the second traction rope 6 is fixed to the second hanging rod 202, and the other end is fixed to the third hanging rod 502; a rectangular through groove 206 is provided on the upper end surface of the end of the mobile vehicle 2 close to the open end of the U-shaped chassis 4, which is used to cooperate with the support rods 105 on both sides of the hanging frame 1; Guide plates are arranged on both sides of the rectangular through-slot 206 and the upper end surface of the mobile vehicle 2, and guide columns 205 are arranged between the guide plates. A vertically arranged guide slot 103 is arranged at the lower end of the support rod 105, and the guide column 205 passes through the guide slot 103 to limit the support rod 105; the guide column 205 moves toward the lower end of the guide slot 103 to limit the support rod 105 and facilitate the support rod 105 to be pulled out from the rectangular through-slot 206. The pulled-out support rod 105 is then rotated ninety degrees clockwise, and the rectangular frame 104 of the hanging frame 1 can be used as a handrail for pushing out; the mobile vehicle 2 is provided with four evenly distributed sockets 204 that pass through the upper and lower end surfaces of the mobile vehicle 2; the outer sides of the first connecting rod 404 and the second connecting rod 403 are each provided with two plug columns 4031 for matching the sockets 204, and the spacing of the plug columns 4031 is equal to the spacing of the sockets 204.

[0035] Further, refer to Figure 8 This embodiment also includes a reinforcing plate 405, which is fitted at the connection between the first connecting rod 404 and the second connecting rod 403; two positioning columns 4051 are arranged in the middle of the reinforcing plate 405, and two positioning holes 4041 for cooperating with the positioning columns 4051 are correspondingly arranged on the outer side of the first connecting rod 404, and the two ends of the reinforcing plate 405 are fixedly connected to the second connecting rod 403 by bolts 4032; the setting of the reinforcing plate 405 can realize the positioning between the two second connecting rods 403 and the first connecting rod 404, and the setting of the bolts 4032 facilitates the disassembly and installation of the reinforcing plate 405.

[0036] Further, refer to Fig. 9 The first hanging rod 901, the second hanging rod 202, the third hanging rod 502, the fourth hanging rod 102 and the fifth hanging rod 203 are all L-shaped rods.

[0037] Further, refer to Fig.10 The structures of the first traction rope 3, the second traction rope 6 and the third traction rope 7 are the same, including a rope body and hanging rings 10 arranged at both ends of the rope body for hanging with the hanging rod. This arrangement facilitates the disassembly and assembly of the first traction rope 3, the second traction rope 6 or the third traction rope 7.

[0038] The present invention also provides a method for using the above-mentioned adjustable and easy-to-carry high-altitude traction device, comprising the following steps: Step 1, assembling the device: placing the U-shaped chassis 4 on the lifting platform, installing the mobile vehicle 2 in the U-shaped chassis 4, installing the hanging frame 1 on the mobile vehicle 2, installing the counterweight 5, and connecting the mobile vehicle 2 and the counterweight 5 using the first traction rope 3 and the second traction rope 6; Step 2, hoisting cargo: the cylinder 501 extends, driving the counterweight 5 to move to one side of the mobile vehicle 2. At the same time, under the traction of the second traction rope 6, the mobile vehicle 2 will also move synchronously toward the counterweight 5, so as to facilitate the transfer of cargo to the interior of the building; the cylinder 501 contracts, driving the counterweight 5 to move to the side farther from the mobile vehicle 2. At the same time, under the traction of the first traction rope 3, the mobile vehicle 2 will also move synchronously to the side farther from the counterweight 5, so as to facilitate continued hoisting; Step 3, transfer device: refer to Fig.11 and Fig.12 First, separate the U-shaped chassis 4 and the mobile vehicle 2, and then use the rotating frame 406 to rotate the first connecting rod 404 and the second connecting rod 403 to achieve the folding of the U-shaped chassis 4; then, pull up the hanging frame 1 to disengage the support rod 105 from the rectangular through groove 206, and then rotate the hanging frame 1 clockwise with the guide column 205 as the axis to place the hanging frame 1 on the upper end surface of the mobile vehicle 2; finally, insert the plug column 4031 on one side of the U-shaped chassis 4 into the socket 204 on the mobile vehicle 2 to transform the device into a transportation state. At this time, the I-shaped roller 201 becomes a mobile device, and the rectangular frame 104 of the hanging frame 1 becomes a push handle. Pushing the rectangular frame 104 can achieve convenient transfer of the entire device.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that a technician familiar with the technical field can think of within the technical scope disclosed in the present invention should be covered within the protection scope of the present invention.

Claims

1. A foldable high-altitude traction device with adjustable center of gravity, characterized in that: It comprises a hanging frame (1), a mobile vehicle (2) and a U-shaped base frame (4); The mobile vehicle (2) is movably arranged on the inner side of the U-shaped base frame (4), and the hanging frame (1) is arranged on the upper end surface of the mobile vehicle (2) on the side away from the closed end of the U-shaped base frame (4); a counterweight block (5) is also arranged on the inner side of the U-shaped base frame (4), and a cylinder (501) is arranged on the side of the counterweight block (5) away from the mobile vehicle (2), and a fixed section of the cylinder (501) is fixedly arranged on the closed end of the U-shaped base frame (4); Two first guide wheels (401) are symmetrically arranged on the upper end surface of the open end of the U-shaped chassis (4), and a first traction rope (3) is arranged around the first guide wheel (401), one end of the first traction rope (3) is connected to the moving vehicle (2), and the other end is connected to the counterweight (5); two second guide wheels (402) are arranged on the upper end surface of the closed end of the U-shaped chassis (4), and a second traction rope (6) is arranged around the second guide wheel (402), one end of the second traction rope (6) is connected to the counterweight (5), and the other end is connected to the moving vehicle (2); The two side rods of the U-shaped base frame (4) are composed of three rod bodies, including a first connecting rod (404) in the middle, and second connecting rods (403) arranged at both ends of the first connecting rod (404), and a rotating frame (406) is arranged on the top surface of the connection between the first connecting rod (404) and the second connecting rod (403), so that the first connecting rod (404) and the second connecting rod (403) can be rotated ninety degrees with the rotating frame (406) as the axis, so as to realize the folding of the U-shaped base frame (4); The hanging frame (1) is in an inverted L-shape as a whole, and comprises a rectangular frame (104) arranged horizontally at the top and two support rods (105) arranged vertically; a third guide wheel (101) is arranged on the lower end surface of the middle part of a group of short sides of the rectangular frame (104) and the side rods of the U-shaped bottom frame (4) perpendicularly; a support frame (106) is arranged in the middle part of the support rod (105); the support frame (106) is provided with a roller (8) and a motor (804); the roller (8) is sleeved with a rotating shaft (803), and the rotating shaft (803) is rotatably connected to the support frame (106) and the motor (804); A lifting rope (801) is arranged on the third guide wheel (101), one end of the lifting rope (801) is provided with a hook (802) for hanging goods, and the other end of the lifting rope (801) is wound around a roller (8).

2. A foldable high-altitude traction device with adjustable center of gravity as claimed in claim 1, characterized in that: A plurality of I-shaped rollers (201) are arranged at intervals on two side surfaces of the moving vehicle (2) close to the side bars of the U-shaped base frame (4); the two side bars of the U-shaped base frame (4) are channel steels with openings facing each other; guide strips (407) are arranged on the upper and lower walls of the side bars for limiting and guiding the I-shaped rollers (201).

3. A foldable high-altitude traction device with adjustable center of gravity as claimed in claim 1, characterized in that: A first slot (207) is arranged on both sides of the upper end surface of the end of the moving vehicle (2) close to the open end of the U-shaped chassis (4); a second slot (503) is arranged on both sides of the upper end surface of the end of the counterweight (5) close to the moving vehicle (2); an L-shaped plug plate is arranged in the first slot (207) and the second slot (503); a vertical portion of the L-shaped plug plate is plugged into the first slot (207) or the second slot (503) and the height of the vertical portion is greater than the height of the bogie; a first hanging rod (901) is arranged on the upper end surface of the horizontal portion of the L-shaped plug plate; one end of the first traction rope (3) is fixed to the first hanging rod (901) at the position of the first slot (207), and the other end is fixed to the first hanging rod (901) at the position of the second slot (503).

4. A foldable high-altitude traction device with adjustable center of gravity as claimed in claim 3, characterized in that: Two second hanging rods (202) are arranged on the side surface of the end of the mobile vehicle (2) close to the counterweight (5), and two third hanging rods (502) are arranged on the upper end surface of one side of the counterweight (5) close to the cylinder (501). One end of the second traction rope (6) is fixed to the second hanging rod (202), and the other end is fixed to the third hanging rod (502).

5. A foldable high-altitude traction device with adjustable center of gravity as claimed in claim 4, characterized in that: A fourth hanging rod (102) is arranged in the middle of a side surface of the support frame (106) close to the closed end of the U-shaped base frame (4), a fifth hanging rod (203) is arranged in the middle of an end side surface of the moving vehicle (2) close to the counterweight (5), and a third traction rope (7) is connected between the fourth hanging rod (102) and the fifth hanging rod (203).

6. A foldable high-altitude traction device with adjustable center of gravity as claimed in claim 1, characterized in that: A rectangular through-groove (206) is provided on the upper end surface of the end of the mobile vehicle (2) close to the open end of the U-shaped base frame (4) for cooperating with the support rods (105) on both sides of the plug-in hanger (1); guide plates are provided on both sides of the rectangular through-groove (206) and the upper end surface of the mobile vehicle (2), and guide columns (205) are provided between the guide plates; a vertically arranged guide groove (103) is provided at the lower end of the support rod (105), and the guide column (205) passes through the guide groove (103) to limit the support rod (105).

7. A foldable high-altitude traction device with adjustable center of gravity as claimed in claim 6, characterized in that: The mobile vehicle (2) is provided with four evenly distributed insertion holes (204) that penetrate the upper and lower end surfaces of the mobile vehicle (2); the outer side surfaces of the first connecting rod (404) and the second connecting rod (403) are each provided with two insertion posts (4031) for matching with the insertion holes (204), and the interval between the insertion posts (4031) is equal to the interval between the insertion holes (204).

8. A foldable high-altitude traction device with adjustable center of gravity as claimed in claim 1, characterized in that: It also includes a reinforcing plate (405), which is fitted at the connection between the first connecting rod (404) and the second connecting rod (403); two positioning columns (4051) are arranged in the middle of the reinforcing plate (405), and two positioning holes (4041) for matching the positioning columns (4051) are correspondingly arranged on the outer side surface of the first connecting rod (404), and the two ends of the reinforcing plate (405) are fixedly connected to the second connecting rod (403) by bolts (4032).

9. A foldable high-altitude traction device with adjustable center of gravity as claimed in claim 5, characterized in that: The first hanging rod (901), the second hanging rod (202), the third hanging rod (502), the fourth hanging rod (102) and the fifth hanging rod (203) are all L-shaped rods; the first traction rope (3), the second traction rope (6) and the third traction rope (7) are all of the same structure, comprising a rope body and hanging rings (10) arranged at both ends of the rope body for hanging with the hanging rods.

10. A method for using a foldable high-altitude traction device with adjustable center of gravity as claimed in claim 7, characterized in that: The steps include: Step 1, assembling the device: placing the U-shaped base frame (4) on the lifting platform, installing the mobile vehicle (2) in the U-shaped base frame (4), installing the hanging frame (1) on the mobile vehicle (2), installing the counterweight (5), and connecting the mobile vehicle (2) and the counterweight (5) using a first traction rope (3) and a second traction rope (6); Step 2, hoisting the cargo: the cylinder (501) extends to drive the counterweight (5) to move toward one side of the mobile vehicle (2). At the same time, under the traction of the second traction rope (6), the mobile vehicle (2) will also move synchronously toward the counterweight (5), so as to facilitate the transfer of the cargo to the interior of the building; the cylinder (501) contracts to drive the counterweight (5) to move toward the side farther from the mobile vehicle (2). At the same time, under the traction of the first traction rope (3), the mobile vehicle (2) will also move synchronously toward the side farther from the counterweight (5), so as to facilitate continued hoisting; Step 3, transfer device: first, separate the U-shaped base frame (4) and the mobile vehicle (2), then use the rotating frame (406) to rotate the first connecting rod (404) and the second connecting rod (403) to achieve the folding of the U-shaped base frame (4); then, pull up the hanging frame (1) to disengage the support rod (105) from the rectangular through groove (206), and then rotate the hanging frame (1) clockwise with the guide column (205) as the axis to place the hanging frame (1) on the upper end surface of the mobile vehicle (2); finally, insert the plug column (4031) on one side of the U-shaped base frame (4) into the plug hole (204) on the mobile vehicle (2), so that the device is transformed into a transport state, at which time the I-shaped roller (201) becomes a mobile device, and the rectangular frame (104) of the hanging frame (1) becomes a push handle, and the entire device can be conveniently transferred by pushing the rectangular frame (104).

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