Cantilever frame I-beam dismounting and transporting device

Abstract

The present application provides a kind of cantilever frame I-beam disassembling and transporting device, belong to engineering construction technical field, comprising: vehicle body, lifting assembly, motor assembly, transmission assembly and support assembly;Lifting assembly fixed end is fixed in vehicle body, and lifting end of lifting assembly is located in the outside of vehicle body;Motor assembly is installed in vehicle body, for driving vehicle body and transmission assembly;Transmission assembly is installed on lifting assembly;Support assembly is detachably installed at the bottom of vehicle body, and support assembly can slide from inside vehicle body to outside vehicle body.The present application makes I-beam from original position to be separated in house to be transported to specified hoisting point, realizes that personnel whole process is in house remote operation handling loading and unloading work, solves the problem that construction personnel needs to be outside building to manually help I-beam one end to be tied wire rope in conventional disassembling process, needs to be carried out high-altitude suspended operation.Meanwhile, it reduces the falling risk of personnel high-altitude operation, improves work safety, intelligent operation can save labor, reduces construction cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of engineering construction, and particularly relates to a cantilever frame I-beam dismounting and transporting device. BACKGROUND

[0002] At present, a floor type steel pipe scaffold is usually used for a medium and high-rise building with a height of less than 24 meters, and a cantilever scaffold and a full steel attached lifting scaffold are usually used when the height exceeds 24 meters. Since the full steel attached lifting scaffold cannot be used for roof construction, the cantilever scaffold is used when the distance to the roof layer is reached.

[0003] At present, the method for dismounting the roof cantilever frame mainly includes the following steps: manually binding the tower crane steel wire rope to one end of the I-beam, then pulling the I-beam outwards by the tower crane to a certain length, manually binding the steel wire rope to the other end of the I-beam, and then continuing to pull the I-beam outwards by the tower crane.

[0004] However, the construction method needs personnel to work in the air at a high position, which has a great safety risk. Meanwhile, the I-beam is bound by manual operation, and the I-beam is easily shaken when the I-beam is pulled out by the tower crane, which affects the operation of the tower crane and may cause the I-beam to collide with the building structure, resulting in appearance or quality problems. SUMMARY

[0005] The present application provides a cantilever frame I-beam dismounting and transporting device to solve the defect that personnel need to work in the air at a high position in the prior art, and to realize safe construction.

[0006] The present application provides a cantilever frame I-beam dismounting and transporting device, which comprises a vehicle body, a lifting assembly, a motor assembly, a transmission assembly and a supporting assembly. The fixed end of the lifting assembly is fixed in the vehicle body, and the lifting end of the lifting assembly is located outside the vehicle body. The motor assembly is installed in the vehicle body and used to drive the vehicle body and the transmission assembly. The transmission assembly is installed on the lifting assembly. The supporting assembly is detachably installed at the bottom of the vehicle body and can slide from the inside of the vehicle body to the outside of the vehicle body.

[0007] According to the present application, the cantilever frame I-beam dismounting and transporting device comprises two groups of lifting assemblies which are symmetrically installed. The lifting assembly comprises a supporting rod, a first rotating shaft, an end lifting piece, a pressing rod and a first hydraulic machine. One end of the supporting rod is fixed to the inner bottom surface of the vehicle body, and the other end of the supporting rod is provided with the first rotating shaft. The end lifting piece is fixed to the first rotating shaft. One end of the pressing rod is connected to the first hydraulic machine, and the other end of the pressing rod abuts against the end lifting piece.

[0008] According to the cantilever frame I-beam disassembling and transporting device provided by the application, the supporting assembly comprises a long plate, a plurality of rollers, an I-beam supporting plate groove, a second rotating shaft, a second hydraulic machine and a hydraulic push rod; the plurality of rollers are installed on both sides of the long plate, and the I-beam supporting plate groove is installed on the top surface of the long plate through the second rotating shaft; one end of the hydraulic push rod is connected with the second hydraulic machine, and the other end of the hydraulic push rod is abutted with the long plate.

[0009] According to the cantilever frame I-beam disassembling and transporting device provided by the application, the transmission assembly comprises a plurality of rotating wheels and a transmission chain; the plurality of rotating wheels are installed on the end lifting piece, and the transmission chain is connected with the plurality of rotating wheels and the motor assembly.

[0010] According to the cantilever frame I-beam disassembling and transporting device provided by the application, the cantilever frame I-beam disassembling and transporting device further comprises a pressing assembly, and the pressing assembly is used for pressing the two wings of the I-beam between the pressing assembly and the lifting assembly.

[0011] According to the cantilever frame I-beam disassembling and transporting device provided by the application, the pressing assembly comprises a pressing plate, a third hydraulic machine, an extension rod and a third rotating shaft; one end of the extension rod is connected with the third hydraulic machine, and the other end of the extension rod is connected with the pressing plate through the third rotating shaft.

[0012] According to the cantilever frame I-beam disassembling and transporting device provided by the application, the cantilever frame I-beam disassembling and transporting device further comprises a moving pulley block, and the moving pulley block is installed on the fixed bearing steel beam.

[0013] According to the cantilever frame I-beam disassembling and transporting device provided by the application, the motor assembly comprises a vehicle body motor and a rotating wheel motor.

[0014] According to the cantilever frame I-beam disassembling and transporting device provided by the application, the cantilever frame I-beam disassembling and transporting device further comprises a hydraulic pressure detector.

[0015] According to the cantilever frame I-beam disassembling and transporting device provided by the application, the cantilever frame I-beam disassembling and transporting device further comprises a camera, and the camera is installed on the top of the vehicle body.

[0016] The cantilever frame I-beam disassembling and transporting device provided by the application realizes that the I-beam is separated from the original position and transported to a designated hoisting point in the room through the cooperation of the vehicle body, the lifting assembly, the motor assembly, the transmission assembly and the supporting assembly, realizes that personnel remotely operate the transporting and unloading work in the room, solves the problem that the construction personnel need to manually help to tie a steel wire rope at one end of the I-beam outside the building in the conventional disassembling process and need to perform high-altitude suspended operation, reduces the falling risk of personnel high-altitude operation, improves work safety, saves labor through intelligent operation, and reduces construction cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0018] Figure 1 is a structural schematic view of the cantilevered frame I-beam dismounting and transporting device provided by the present application;

[0019] Figure 2 is a side view of the cantilevered frame I-beam dismounting and transporting device provided by the present application;

[0020] Figure 3 is a structural schematic view of the support assembly provided by the present application;

[0021] Figure 4 is a structural schematic view of the end pulley set provided by the present application;

[0022] Figure 5 is a structural schematic view of the middle pulley set provided by the present application;

[0023] Figure 6 is a structural schematic view of the tail pulley set provided by the present application;

[0024] Figure 7 is a working schematic view of the moving pulley set provided by the present application;

[0025] Figure 8 is a structural schematic view of the I-beam lifting device provided by the present application;

[0026] Figure 9 is a side view of the I-beam lifting device provided by the present application.

[0027] Reference signs:

[0028] 100, vehicle body;

[0029] 200, lifting assembly;

[0030] 210, support rod; 220, first rotating shaft; 230, end lifting piece; 240, pressing rod; 250, first hydraulic machine;

[0031] 300, motor assembly;

[0032] 310, vehicle body motor; 320, rotating wheel motor;

[0033] 400, transmission assembly;

[0034] 410, rotating wheel; 420, transmission chain;

[0035] 500, support assembly;

[0036] 510, long plate; 520, rolling wheel; 530, I-beam support plate slot; 540, second rotating shaft; 550, second hydraulic machine; 560, hydraulic push rod; 570, electromagnet;

[0037] 600, pressing assembly;

[0038] 610, pressing plate; 620, third hydraulic machine; 630, telescopic rod; 640, third rotating shaft;

[0039] 700, hydraulic pressure detector;

[0040] 800, camera;

[0041] 900, mobile pulley set;

[0042] 910, head pulley set; 920, middle pulley set; 930, tail pulley set; 940, high-friction pad; 950, low-friction pad; 960, pulley motor; 970, upper pulley; 980, lower pulley; 990, bolt;

[0043] 1000, I-beam lifting tool;

[0044] 1100, steel wire rope lifting ring; 1200, signal receiver; 1300, controller; 1400, hydraulic cylinder; 1500, hydraulic rod; 1600, rolling wheel; 1700, pressing block. DETAILED DESCRIPTION

[0045] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the drawings in the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0046] In the description of the present application, it should be understood that the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0047] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship generally based on the orientation of the device shown in the drawings Figure 1 The orientation and position of the cantilevered frame I-beam disassembling and transporting device when normally placed are only for the convenience of describing the present application and simplifying the description, and in the absence of contrary statements, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.

[0048] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0049] The present application provides a cantilevered frame I-beam disassembling and transporting device, referring to Figure 1 , comprising a vehicle body 100, a lifting assembly 200, a motor assembly 300, a transmission assembly 400 and a supporting assembly 500. The fixed end of the lifting assembly 200 is fixed in the vehicle body 100, the lifting end of the lifting assembly 200 is located outside the vehicle body 100, the motor assembly 300 is installed in the vehicle body 100, used to drive the vehicle body 100 and the transmission assembly 400, the transmission assembly 400 is installed on the lifting assembly 200, the supporting assembly 500 is detachably installed at the bottom of the vehicle body 100, and the supporting assembly 500 can slide from the inside of the vehicle body 100 to the outside of the vehicle body 100. The motor assembly 300 operates to drive the vehicle body 100, so that the lifting assembly 200 clamps the two wings of the I-beam to be transported, the lifting assembly 200 is operated to lift the I-beam to a certain height, then the supporting assembly 500 is moved from the inside of the vehicle body 100 to the outside of the vehicle body 100 to support the bottom of the I-beam, and then the transmission assembly 400 is operated to cooperate with the lifting assembly 200 and the supporting assembly 500 to move the I-beam into the vehicle body 100.

[0050] In an embodiment, the cantilevered frame I-beam disassembling and transporting device comprises two groups of the lifting assembly 200, which are symmetrically installed, referring to Figures 1-2The lifting assembly 200 comprises a support rod 210, a first rotating shaft 220, an end lifting piece 230, a pressing rod 240 and a first hydraulic machine 250. One end of the support rod 210 is fixed to the inner bottom surface of the vehicle body 100, the other end of the support rod 210 is provided with the first rotating shaft 220, the end lifting piece 230 is fixed to the first rotating shaft 220, one end of the pressing rod 240 is connected with the first hydraulic machine 250, and the other end of the pressing rod 240 abuts against the end lifting piece 230. The driving assembly drives the vehicle body 100 to move, and after the end lifting piece 230 is clamped into the two wings of the I-shaped steel, the first hydraulic machine 250 is operated to make the pressing rod 240 press downward, so that the end lifting piece 230 rotates around the first rotating shaft 220, and one end of the I-shaped steel is lifted by the end lifting piece 230, so that the I-shaped steel is lifted to a certain height.

[0051] In an embodiment, referring to Figure 3 The support assembly 500 comprises a long plate 510, a plurality of rollers 520, an I-shaped steel support plate groove 530, a second rotating shaft 540, a second hydraulic machine 550 and a hydraulic push rod 560. The plurality of rollers 520 are installed on both sides of the long plate 510, and the I-shaped steel support plate groove 530 is installed on the top surface of the long plate 510 through the second rotating shaft 540. One end of the hydraulic push rod 560 is connected with the second hydraulic machine 550, and the other end of the hydraulic push rod 560 abuts against the long plate 510. After the end lifting piece 230 lifts the I-shaped steel, the second hydraulic machine 550 is operated to push out the hydraulic push rod 560, so that the long plate 510 moves to the outside of the trolley under the action of the rollers 520, and the I-shaped steel support plate groove 530 is clamped into the gap of the lifted I-shaped steel to support the I-shaped steel.

[0052] For example, the second rotating shaft 540 is a limited angle rotating shaft, which can adjust the angle of the I-shaped steel support plate groove 530 according to the state of the I-shaped steel.

[0053] For example, the rollers 520 are 2-6, which are symmetrically distributed on both sides of the long plate 510. The number of the rollers 520 is 4 in this embodiment, but the present application is not limited thereto.

[0054] For example, the support assembly 500 is attracted to the vehicle body 100 by the electromagnet.

[0055] In an embodiment, referring to Figures 1-2 The transmission assembly 400 comprises a plurality of rotating wheels 410 and a transmission chain 420. The plurality of rotating wheels 410 are installed on the end lifting piece 230, and the transmission chain 420 is connected with the motor assembly 300 after being connected with the plurality of rotating wheels 410. After the I-shaped steel support plate groove 530 is clamped into the gap of the lifted I-shaped steel to support the I-shaped steel, the motor assembly 300 drives the rotating wheels 410 to start rotating, and at the same time, the vehicle body 100 moves in the opposite direction of the I-shaped steel, so that the I-shaped steel remains stable.

[0056] Exemplarily, the number of the rotating wheels 410 is 8-12, and the present application does not limit the number of the rotating wheels 410. For example, in the embodiment, the number of the rotating wheels 410 is 10, and the rotating wheels 410 are symmetrically distributed on the two end lifting members 230.

[0057] In an embodiment, referring to Figures 1-2 , the cantilevered frame I-beam disassembling and transporting device further comprises a pressing assembly 600, which is used for pressing the two wings of the I-beam between the pressing assembly 600 and the lifting assembly 200. After the transmission assembly 400 transports the I-beam into the vehicle body 100, the pressing assembly 600 is used for pressing the I-beam, which is convenient for subsequent transportation.

[0058] In an embodiment, referring to Figures 1-2 , the pressing assembly 600 comprises a pressing plate 610, a third hydraulic machine 620, an extension rod 630, and a third rotating shaft 640. One end of the extension rod 630 is connected with the third hydraulic machine 620, and the other end of the extension rod 630 is connected with the pressing plate 610 through the third rotating shaft 640. After the I-beam is transported into the vehicle body 100, the third hydraulic machine 620 operates, the extension rod 630 is pressed down, the pressing plate 610 is pressed against the top of the I-beam, the I-beam is pressed, and the vehicle body 100 is driven again to transport the I-beam to other places.

[0059] Exemplarily, the third rotating shaft 640 is a limited angle rotating shaft, which can adjust the angle of the pressing plate 610 according to the state of the I-beam.

[0060] In an embodiment, referring to Figures 1-2 , the motor assembly 300 comprises a vehicle body motor 310 and a rotating wheel motor 320. The vehicle body motor 310 is used for driving the vehicle body 100, and the rotating wheel motor 320 is used for driving the rotating wheels 410.

[0061] In an embodiment, referring to Figures 1-2 , the cantilevered frame I-beam disassembling and transporting device further comprises a hydraulic pressure detector 700, which can monitor the pressure of the hydraulic machine to prevent accidents caused by damage of the hydraulic device.

[0062] In an embodiment, the cantilevered frame I-beam disassembling and transporting device further comprises a camera 800, which is installed on the top of the vehicle body 100. When the cantilevered frame I-beam disassembling and transporting device works, the operator can remotely check the camera 800 and operate the cantilevered frame I-beam disassembling and transporting device.

[0063] In an embodiment, referring to Figures 4-7The cantilevered frame I-beam disassembling and transporting device further comprises a moving pulley set 900 installed on the fixed bearing steel beam. When the clamped I-beam is transported to the vicinity of the fixed bearing steel beam, the electromagnetic force between the supporting assembly 500 and the vehicle body 100 is released, so that the supporting assembly 500 is separated from the vehicle body 100. After the supporting assembly 500 is moved to the other end of the I-beam, the I-beam is supported by the I-beam supporting plate slot 530, and the vehicle body 100, the supporting assembly 500, the transmission assembly 400 and the pressing assembly 600 are driven to move the I-beam towards the fixed bearing steel beam.

[0064] In an embodiment, referring to Figures 4-7 The part of the moving pulley set 900 contacting the bottom of the I-beam is provided with high-friction pad 940, and the part of the moving pulley set 900 contacting the two sides of the I-beam is provided with low-friction pad 950. The moving pulley set 900 comprises a head pulley set 910, a middle pulley set 920 and a tail pulley set 930. The head pulley set 910 is provided with lower pulley 980 contacting the fixed bearing steel beam, the middle pulley set 920 is provided with upper pulley 970 and lower pulley 980, and the tail pulley set 930 is provided with upper pulley 970. Both the head pulley set 910 and the middle pulley set 920 are provided with pulley motor 960. The moving pulley set 900 is installed on the fixed bearing steel beam, the supporting assembly 500 supports one end of the I-beam, the vehicle body 100 fixes the I-beam at one third of the distance from the supporting assembly 500, and the other end of the I-beam is suspended.

[0065] In an embodiment, referring to Figures 8-9 The cantilevered frame I-beam disassembling and transporting device further comprises I-beam lifting device 1000, which comprises wire rope lifting ring 1100, signal receiver 1200, controller 1300, hydraulic cylinder 1400, hydraulic rod 1500, rolling wheel 1600 and pressing block 1700. The I-beam lifting device 1000 is sent to the vicinity of the cantilevered frame by the tower crane, and the wire rope and the lifting device are sent into the building by the construction personnel using long poles or wooden boards, etc. The construction personnel put the I-beam lifting device 1000 into the I-beam from the head of the I-beam. In the normal state, the hydraulic cylinder is tightened, the pressing block 1700 is higher than the rolling wheel 1600, and the rolling wheel 1600 contacts the upper plane of the I-beam.

[0066] In an embodiment, after the I-beam hanger 1000 is fitted into the I-beam, the rotating wheel 410 of the cantilevered frame I-beam dismounting and transporting device is driven by the motor assembly 300 to drive the I-beam forward, and the rotating wheel 410 stops moving when the I-beam is extended by 1 / 4 of its length and the end pulley set 910 is extended. The third hydraulic machine 620 retracts the I-beam upward, and after the I-beam is ensured to be placed on the sliding pulley set, the third hydraulic machine 620 starts to move along the I-beam to the end of the I-beam. The second hydraulic machine 550 drives the hydraulic push rod 560 to extend, and after the electromagnet is started to attract the support assembly 500, the third hydraulic machine 620 is re-pressurized to clamp the I-beam. The I-beam hanger 1000 is symmetrically fixed to both ends of the I-beam, the hydraulic machine in the I-beam hanger 1000 starts to pressurize to push the hydraulic rod 1500 to move the pressing block 1700 downward. The lower surface of the pressing block 1700 is lower than the rolling wheel 1600 to clamp and fix the I-beam hanger 1000, and then the cantilevered frame I-beam dismounting and transporting device continues to transport the I-beam forward until it cannot move. At this time, the third hydraulic machine 620 of the trolley starts to release the I-beam, and the cantilevered frame I-beam dismounting and transporting device moves forward to leave the I-beam.

[0067] In an embodiment, after the cantilevered frame I-beam dismounting and transporting device leaves the end of the I-beam, the end pulley set 910 starts to move forward to drive the I-beam to continue to move outside the building. When the I-beam is 3 / 4 out of the building, the middle pulley set 920 starts to move outside the building with the I-beam. When the end pulley set 910 reaches the outermost part of the cantilevered section of the I-beam, the movement of the end pulley set 910 stops. At this time, the middle pulley set 920 also stops moving, and the I-beam has been completely suspended outside the building. At this time, the tower crane can smoothly lift the I-beam to place it on the ground, completing the dismounting of the I-beam.

[0068] In an embodiment, after the dismounting of the I-beam is completed, the electric pulley set is remotely operated by the construction personnel to control the terminal to return from the end of the cantilevered section of the I-beam to the building to wait for the dismounting of the next I-beam. The above process is repeated until all the I-beams are dismounted, and then the dismounting of the load-bearing girder can be performed.

[0069] In an embodiment, the support moving assembly is placed near the pre-buried bolt 990 outside the building and is fixed by steel wire binding and other methods. When the load-bearing girder starts to be transported to 1 / 3 outside the building, the first I-beam hanger 1000 is clamped and the cantilevered frame I-beam dismounting and transporting device releases the I-beam. The tower crane and the cantilevered frame I-beam dismounting and transporting device are used to jointly transport the I-beam to 1 / 3 of the I-beam. At this time, the trolley body 100 is removed from the tower crane, and the support assembly 500 continues to bear the fulcrum until the tower crane girder is completely removed. Then the support assembly 500 is released and combined with the trolley body 100, completing the dismounting of the I-beams of the entire floor.

[0070] The present application realizes that personnel remotely operate the carrying and handling work in the whole process in the house, solves the problem that the construction personnel need to manually help to tie the steel wire rope at one end of the I-beam outside the building in the conventional disassembly process, and need to perform high-altitude suspended operation, reduces the falling risk of personnel high-altitude operation, improves work safety, and intelligent operation can save labor, and reduces construction cost.

[0071] The present application can carry most of the I-beams to one point and hoist to the downstairs, solves the problem that the traditional operation platform needs to be hung outside the building for operation, and needs to repeatedly disassemble the operation platform when disassembling the cantilever I-beams at different positions, and has the risk of high-altitude operation when disassembling the operation platform, thereby generating benefits: can greatly reduce the repeated installation of the disassembly operation platform, reduce the construction risk of personnel, increase the efficiency of construction personnel, and save the construction time.

[0072] The present application uses the original I-beam as a bearing base, uses an electric pulley block as a track, so that the I-beam can be completely carried to the outside of the house for hoisting, solves the problem of unstable hoisting caused by hard pulling of the tower crane in the conventional disassembly process, and needs to disassemble the operation platform. Reduce the hidden damage to the tower crane in the traditional hoisting process, such as loose screw of the movable trolley of the tower crane, mechanical fatigue of the tower crane structure, etc., reduce the safety hazards of the tower crane, and stable hoisting can reduce the quality problems caused by the impact of the I-beam on the concrete structure.

[0073] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A cantilevered rack I-beam disassembly device, characterized by, The cantilever frame H-shaped steel dismounting and transporting device comprises a vehicle body, lifting assemblies, a motor assembly, a transmission assembly and a support assembly. The lifting assembly fixed end is fixed in the vehicle body, and the lifting end of the lifting assembly is located outside the vehicle body. The motor assembly is installed in the vehicle body and used for driving the vehicle body and the transmission assembly. The transmission assembly is installed on the lifting assembly. The support assembly is detachably installed at the bottom of the vehicle body, and the support assembly can slide from the inside of the vehicle body to the outside of the vehicle body. The cantilever frame H-shaped steel dismounting and transporting device comprises two sets of lifting assemblies which are symmetrically installed. The lifting assembly comprises a support rod, a first rotating shaft, an end lifting piece, a pressing rod and a first hydraulic machine. The support rod is fixed at one end of the bottom surface in the vehicle body, and the other end of the support rod is provided with the first rotating shaft. The end lifting piece is fixed on the first rotating shaft, and one end of the pressing rod is connected with the first hydraulic machine. The other end of the pressing rod abuts against the end lifting piece.

2. The cantilevered rack I-beam deinstallation device of claim 1, wherein, The support assembly comprises a long plate, a plurality of rollers, an H-shaped steel support plate groove, a second rotating shaft, a second hydraulic machine and a hydraulic push rod.

3. The cantilevered rack I-beam deinstallation device of claim 2, wherein, The plurality of rollers are installed on both sides of the long plate, and the H-shaped steel support plate groove is installed on the top surface of the long plate through the second rotating shaft. One end of the hydraulic push rod is connected with the second hydraulic machine, and the other end of the hydraulic push rod abuts against the long plate.

4. The cantilevered rack I-beam deinstallation device of claim 1, wherein, The transmission assembly comprises a plurality of rotating wheels and a transmission chain.

5. The cantilevered rack I-beam deinstallation device of claim 1, wherein, The plurality of rotating wheels are installed on the end lifting piece, and the transmission chain is connected with the motor assembly after being connected with the plurality of rotating wheels.

6. The cantilevered rack I-beam deinstallation device of claim 1, wherein, The cantilever frame H-shaped steel dismounting and transporting device further comprises a pressing assembly. The pressing assembly is used for pressing the two wings of the H-shaped steel between the pressing assembly and the lifting assembly. The pressing assembly comprises a pressing plate, a third hydraulic machine, an extension rod and a third rotating shaft. One end of the extension rod is connected with the third hydraulic machine, and the other end of the extension rod is connected with the pressing plate through the third rotating shaft. The motor assembly comprises a vehicle body motor and a rotating wheel motor. The cantilever frame H-shaped steel dismounting and transporting device further comprises a camera. The camera is installed on the top of the vehicle body.

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