Self-loading and unloading type double-layer safety protective fence for building construction and use method thereof

Abstract

The application relates to the technical field of building loading and unloading guardrails, in particular to a self-loading and unloading type double-layer safety guardrail for building construction and a using method thereof, which comprises a hoisting platform, the top surface of the hoisting platform is provided with a guardrail, the guardrail comprises two side plates, a guardrail plate one is detachably installed and fixed between the two side plates, a plurality of load plates are rotatably installed on the top surface of the hoisting platform, the load plates at different positions can hold building materials of different floors, and guardrail plate two is fixedly connected to the two sides of the load plate. In the application, a plurality of load plates are arranged in the guardrail one of the hoisting platform, each load plate is fixed with a guardrail two composed of guardrail plate two and guardrail plate three, a construction worker stands at the position between the guardrail two and the guardrail one on the hoisting platform, the guardrail one is protected on the outer side of the personnel and the materials, the guardrail two is protected between the materials and the personnel, and the construction materials in the pile are prevented from damaging the personnel in the guardrail one due to toppling.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building loading and unloading guardrails, in particular to a self-loading and unloading double-layer safety guardrail for building construction and a use method thereof. BACKGROUND

[0002] The guardrail is a safety protection device specially designed for hoisting operations in building construction, which is usually used in cooperation with a hoisting platform. It can protect construction personnel and building materials inside the guardrail of the hoisting platform, prevent construction personnel from falling when they accidentally approach the edge of the hoisting platform during hoisting operations, and prevent hoisted building materials from falling due to shaking or collision during transportation, thereby protecting the safety of personnel and equipment below the building.

[0003] Currently, the guardrails are basically single-layer and fixed on the hoisting platform. Although the guardrail can protect personnel and materials inside the guardrail, it cannot separate materials from personnel. If the stacked bagged sand or bricks and other materials are dumped, it is easy to injure personnel inside the guardrail. Moreover, the traditional guardrail is not easy to classify and store building materials of different floors. Different floor materials are mixed in the guardrail, which is not convenient for quickly taking out materials from the guardrail and unloading them to the specified floor in the later stage, thereby affecting the efficiency of building material loading and unloading. SUMMARY

[0004] The present application aims to provide a self-loading and unloading double-layer safety guardrail for building construction and a use method thereof to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] A self-loading and unloading double-layer safety guardrail for building construction and a use method thereof, comprising:

[0007] a hoisting platform;

[0008] a first guardrail arranged at the edge of the hoisting platform, the first guardrail comprising two side plates fixed to the hoisting platform, and a first guardrail plate detachably installed between the two side plates;

[0009] a plurality of load plates rotatably installed on the top surface of the hoisting platform, the plurality of load plates respectively containing building materials of different floors, both sides of the load plate being fixed with a second guardrail plate, and both ends of the load plate being detachably installed with a third guardrail plate;

[0010] a material positioning mechanism arranged at the top of the hoisting platform, capable of adjusting the position and height of the load plate, the material positioning mechanism comprising an L-shaped frame fixed to the hoisting platform, the bottom of the L-shaped frame being fixed with an electric hoist, and the steel wire rope of the electric hoist suspending a cross beam capable of pulling the load plate;

[0011] The unloading vehicle is arranged between the loading plate and the lifting platform, and can assist the user in unloading building materials.

[0012] Further, the two sides of the frame are provided with sliding grooves connected with the cross beams, the outer side of the cross beam is fixed with a plurality of hooks, and the two guard plates are fixed with two steel wires for hanging the hooks.

[0013] Further, one end of the side plate is hinged with a door plate, and the two door plates are fixedly installed with a safety net.

[0014] Further, the outer side of the frame is fixed with a plurality of frame rods, and the outer side of the plurality of frame rods is fixedly installed with a safety net.

[0015] Further, one end of the loading plate is fixed with two fixed seats, the bottom surface of the lifting platform is fixed with a plurality of support seats, and the support seat is rotatably connected with the corresponding position fixed seat.

[0016] Further, the lifting platform and the loading plate are placed with an oil cylinder according to the need, and the output end of the oil cylinder can be supported on the bottom of the loading plate.

[0017] Further, the bottom surface of the loading plate is provided with two rectangular grooves, the two sides of the unloading vehicle are fixed with an oil cylinder, and the output end of the oil cylinder is fixed with a rectangular block clamped with the rectangular groove.

[0018] Further, the bottom of the unloading vehicle is rotatably connected with two rotating seats rotatably connected with the moving wheels, and the bottom of the unloading vehicle is fixed with a driving assembly for driving the rotating seat to rotate.

[0019] Further, the driving assembly comprises a double-head cylinder fixedly connected with the unloading vehicle, two output ends of the double-head cylinder are fixed with frame rods, both ends of the frame rod are rotatably connected with transmission rods, and the transmission rod is fixedly connected with the corresponding position rotating seat.

[0020] The application also provides a use method of the self-loading and unloading double-layer safety guard rail for building construction, which specifically comprises the following steps:

[0021] Step one: open the door plate on the guard rail one, and the construction personnel enters the inside of the guard rail one to put different building materials of different floors into different placing frames;

[0022] Step two: close the door plate and install the safety net one, and the external lifting equipment lifts the lifting platform to the outside of the unloading port of the floor;

[0023] Step three: open the guard plate one, move the unloading vehicle to the lower side of the placing frame, and make the unloading vehicle support the placing frame.

[0024] Step four: the wheel hub motor on the unloading vehicle drives the moving wheel to roll, and then the unloading vehicle moves out of the guardrail one, and the building materials are transferred to the indoor;

[0025] Step five: the electric hoist suspends the cross beam to make one or more placing frames in the middle position of the hoisting platform move up by one height of the placing frame;

[0026] Step six: the unloading vehicle moves the placing frame at the end position of the hoisting platform to the middle position of the hoisting platform first, and then moves the placing frame with the materials to the indoor vertically.

[0027] Compared with the prior art, the beneficial effects of the present application are:

[0028] By fixing the guardrail one on the edge of the top surface of the hoisting platform, placing a plurality of load plates on the top surface of the hoisting platform, and installing the guardrail plate two and the guardrail plate three on the edge of the top surface of the load plate, the guardrail plate two and the guardrail plate three constitute the guardrail two to protect the top of the load plate, the building materials can be placed in the space enclosed by the load plate and the guardrail two, and the construction personnel can stand in the space between the guardrail one and the guardrail two on the hoisting platform, so as to realize that the guardrail one protects the outside of the personnel and the materials, the guardrail two protects between the materials and the personnel, and the guardrail two can limit the stacked materials on the load plate from collapsing, effectively preventing the stacked bagged sand or bricks and other materials from damaging the personnel inside the guardrail one due to dumping, and improving the safety of the guardrail use.

[0029] By placing a plurality of placing frames composed of load plates and guardrails two on the top surface of the hoisting platform, each placing frame can pre-store the building materials required by different floors, the materials required by different floors are stored separately inside the guardrail one, when the external hoisting equipment hoists the entire hoisting platform to the unloading port of the building floor, the guardrail plate one on the guardrail one is moved up and removed, one end of the placing frame is directed to the unloading port of the building floor, the unloading vehicle is pushed to the lower side of the specified placing frame and carries the placing frame, then the unloading vehicle moves out of the hoisting platform with the placing frame and moves to the indoor of the building, so as to realize that the materials in the specified placing frame are transferred to the indoor of the floor at one time, saving the traditional need for construction personnel to sort and transport after mixed loading, facilitating the rapid removal of materials from the inside of the guardrail and unloading to the specified floor, and improving the efficiency of transferring the building materials from the guardrail.

[0030] Two fixing bases are fixed at one end of the carrier plate, and the fixing bases are rotatably installed on the support base of the hoisting platform through rotating shafts, when the building materials stored in the placing frame are bricks, components and other bulk materials, the steel wire rope at the end of the placing frame away from the fixing base is connected with the lifting hook on the material positioning mechanism, and the free end of the placing frame is released by the lifting hook descending driven by the material positioning mechanism, so that the placing frame can be tilted towards the indoor direction, and the user can quickly take out the bulk materials in the placing frame.

[0031] When the hoisting and unloading opening of the external building floor corresponds to the middle position of the hoisting platform, but the materials in the placing frame at the end position of the hoisting platform need to be moved to the indoor, the two placing frames in the middle can be lifted by the material positioning mechanism to be higher than the height of the placing frame, then the unloading vehicle is moved to the bottom of the placing frame at the end position of the hoisting platform in the left-right direction, the placing frame is transferred to the middle of the hoisting platform, and then the unloading vehicle moves with the placing frame in the front-back direction, so that the materials in the placing frames at both ends of the hoisting platform can also be transferred from the middle position of the hoisting platform, and the building materials can be transferred from different positions of the hoisting platform according to the position of the hoisting and unloading opening;

[0032] 5、Since one end of the placing frame is rotatably installed on the hoisting platform, and the other end is suspended on the material positioning mechanism through the steel wire rope, the free end of the placing frame is in a suspended state, the suspended position below the placing frame facilitates the unloading vehicle to move in the left-right direction, and the unloading vehicle can carry the placing frame to transfer the building materials. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is the overall structure schematic diagram of the present application;

[0034] Figure 2 It is the overall structure schematic diagram of the top of the hoisting platform in the present application;

[0035] Figure 3 It is the structure schematic diagram of the hoisting platform and the guardrail in the present application;

[0036] Figure 4 It is the structure schematic diagram of the carrier plate moving up in the present application;

[0037] Figure 5 It is the structure schematic diagram of the bottom surface of the carrier plate in the present application;

[0038] Figure 6 It is the structure schematic diagram of the carrier plate in the inclined state in the present application;

[0039] Figure 7 It is the structure schematic diagram of the material positioning mechanism in the present application;

[0040] Figure 8 It is the structure schematic diagram of the bottom of the unloading vehicle in the present application;

[0041] Figure 9 is the present invention Figure 8 is the present invention

[0042] In the figure: 100, lifting platform; 110, support seat; 120, oil cylinder one; 200, guardrail one; 210, side plate; 211, clamping groove one; 220, guardrail plate one; 221, clamping block one; 230, door plate; 231, safety net one; 232, hook; 300, carrier plate; 310, guardrail plate two; 320, guardrail plate three; 330, fixed seat; 340, rectangular groove; 400, material positioning mechanism; 410, U-shaped frame; 420, electric hoist; 430, cross beam; 440, U-shaped rod one; 441, safety net two; 450, lifting hook; 451, stop block; 500, unloading vehicle; 510, rotating seat; 511, rotating block; 512, wheel hub motor; 520, oil cylinder two; 521, rectangular block; 530, driving assembly; 531, double-head air cylinder; 532, U-shaped rod two; 5321, rectangular hole; 5322, transmission shaft; 533, transmission rod; 5331, slot-shaped hole. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all 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 scope of protection of the present application.

[0044] Embodiment one, please refer to Figure 1 Figure 9 ​The embodiment of the application discloses a self-loading and unloading type double-layer safety protective fence for building construction and a use method thereof.The self-loading and unloading type double-layer safety protective fence comprises a hoisting platform 100, a protective fence one 200 is arranged at the top edge of the hoisting platform 100, the protective fence one 200 comprises two side plates 210 fixed with the hoisting platform 100, protective fence plates one 220 are detachably arranged between the two side plates 210, a plurality of load plates 300 are rotatably arranged on the top surface of the hoisting platform 100, the load plates 300 at different positions can be used for containing building materials of different floors, protective fence plates two 310 are fixedly connected to the two sides of the load plate 300, protective fence plates three 320 are detachably arranged at the two ends of the load plate 300, the two ends of the protective fence plates three 320 are movably inserted into the protective fence plates two 310, a material position adjusting mechanism 400 is arranged on the top of the hoisting platform 100, the material position adjusting mechanism 400 comprises a U-shaped frame 410 fixedly connected with the hoisting platform 100, an existing technology device electric hoist 420 is fixedly arranged at the bottom of the U-shaped frame 410, a steel wire rope of the electric hoist 420 suspends a cross beam 430 capable of pulling the load plate 300, a material unloading trolley 500 is arranged between the load plate 300 and the hoisting platform 100, and the material unloading trolley 500 can assist a user in unloading building materials.

[0045] Specifically, the plurality of load plates 300 are arranged in the protective fence one 200 of the hoisting platform 100, the protective fence two is formed by the protective fence plates two 310 and the protective fence plates three 320 and fixed on each load plate 300, the building materials are stored in the placing frame formed by the protective fence two and the load plate 300, the construction personnel stand at the position between the protective fence two and the protective fence one 200 on the hoisting platform 100, the protective fence one 200 is arranged on the outer side of the personnel and the materials, the protective fence two is arranged between the materials and the personnel, the protective fence one 200 is effectively prevented from being damaged by the building materials due to falling, and the safety of the protective fence is improved.

[0046] The building materials at different floors are stored in the different placing frames in advance, after the plurality of placing frames are hoisted to the unloading position outside the building floor by the hoisting platform 100, the placing frame containing the building materials of the corresponding floor can be transferred into the indoor building floor by the material unloading trolley 500, the traditional building materials mixed and stored in the protective fence are saved, and the efficiency of the building material transfer is improved.

[0047] As Figure 2 , Figure 5 and Figure 7As shown, in this embodiment, the two sides of the frame 410 are provided with sliding grooves connected with the cross beam 430, so that the cross beam 430 can be stably moved up and down on the frame 410, and the height of the placement frame composed of the carrier plate 300 and the guardrail two can be adjusted. The outer side of the cross beam 430 is embedded with a plurality of hooks 450 at equal intervals, and two steel wires for hanging the hooks 450 are fixed between one end of the two guardrail plates two 310 and the other end thereof.

[0048] In this embodiment, referring to Figure 2 , the two steel wires can be hung on the hooks 450 in the initial state. At this time, the electric hoist 420 drives the cross beam 430 to suspend the hooks 450, so that the steel wires can suspend the guardrail plate two 310, and the guardrail plate two 310 can horizontally suspend the carrier plate 300, which facilitates the construction materials to be put on the square carrier plate 300 when the hoisting platform 100 is on the ground.

[0049] As shown in Figure 7 , in this embodiment, the opening of the hook 450 is fixedly connected with a connecting shaft, the outer side of the connecting shaft is rotatably sleeved with a stop block 451, and a torsion spring is arranged between the connecting shaft and the stop block 451, so that the stop block 451 can naturally block the opening of the hook 450, preventing the steel wire hung on the hook 450 from falling off the hook 450.

[0050] As shown in Figure 1 and Figure 3 , in this embodiment, one end of the side plate 210 is hingedly connected with a door plate 230, a plurality of hooks 232 are fixed on the outer side of the two door plates 230, and a safety net one 231 is fixedly installed between the hooks 232. The safety net one 231 is beneficial to improve the safety of the overall protection of the guardrail one 200.

[0051] In this embodiment, referring to Figure 2 , when it is necessary to put construction materials into the placement frame (composed of the carrier plate 300, the guardrail plate two 310 and the guardrail plate three 320), the two door plates 230 are rotated to be opened, and the construction personnel can walk to the side of the placement frame close to the building (the front position in Figure 4 ) through the gap between the placement frame and the side plate 210 to put the materials. After the materials are put, the construction personnel can stand at the two ends and the front side of the plurality of placement frames, and finally the safety net one 231 is installed between the two closed door plates 230.

[0052] As shown in Figure 1 and Figure 2 , in this embodiment, the outer side of the frame 410 is fixedly connected with a plurality of frame rods one 440, and a safety net two 441 is fixedly installed on the outer side of the plurality of frame rods one 440, so that the safety net two 441 is protected on the top of the guardrail one 200 and the guardrail two.

[0053] As Figure 3 , Figure 5 and Figure 6 shown, in this embodiment, one end of the carrier plate 300 is fixedly connected with two fixed seats 330, the inside of the fixed seat 330 is fixedly connected with a rotating shaft, the bottom surface of the hoisting platform 100 is fixedly connected with a plurality of support seats 110, and the rotating shaft is rotatably connected with the rotating gap at the top of the support seat 110.

[0054] In this embodiment, one end of the carrier plate 300 can be detachably rotatably installed on the support seat 110 through the rotating shaft, when the placement frame needs to be lifted, the rotating shaft on the carrier plate 300 is separated from the support seat 110, and when the placement frame needs to be rotated and tilted to unload, the rotating shaft on the carrier plate 300 is rotated on the support seat 110.

[0055] As Figure 4 shown, in this embodiment, the oil cylinder one 120 (manual oil cylinder) is placed between the hoisting platform 100 and the carrier plate 300 as needed, the output end of the oil cylinder one 120 can be supported at the bottom of the carrier plate 300, when only the placement frame needs to be suspended in part of the position using the material positioning mechanism 400, the oil cylinder one 120 can be placed at one end of the placement frame which is not suspended, the output end of the oil cylinder one 120 can support the placement frame, even if the steel wire rope on the placement frame is separated from the hook 450, the placement frame can be placed flat on the hoisting platform 100, the oil cylinder one 120 can be placed at a suitable position as needed, and the number of use is selected according to the actual use needs.

[0056] As Figure 5 and Figure 8 shown, in this embodiment, two rectangular grooves 340 are formed in the bottom surface of the carrier plate 300, the two sides of the unloading vehicle 500 are fixedly connected with the oil cylinder two 520, and the output end of the oil cylinder two 520 is fixedly connected with the rectangular block 521 which is clamped with the rectangular groove 340.

[0057] In this embodiment, when the unloading vehicle 500 moves to the bottom surface of the carrier plate 300 of the placement frame, the output end of the oil cylinder two 520 (which can be an electric oil cylinder) is elongated to make the rectangular block 521 inserted into the rectangular groove 340, and then the carrier plate 300 is lifted, after the carrier plate 300 is separated from the support seat 110, the unloading vehicle 500 is moved, and the unloading vehicle 500 with the placement frame is moved on the hoisting platform 100.

[0058] In this embodiment, refer to Figure 8The four corners of the bottom of the unloading vehicle 500 are rotatably connected with two rotating seats 510 rotatably connected with the moving wheels, the top of the two rotating seats 510 is fixed with a rotating block 511 rotatably connected with the unloading vehicle 500, so that the two rotating seats 510 can adjust the moving direction of the moving wheels at the bottom of the unloading vehicle 500, when the moving direction of the moving wheels is left and right, the unloading vehicle 500 is realized to move horizontally on the hoisting platform 100, and when the moving direction of the moving wheels is front and back, the unloading vehicle 500 is realized to move vertically on the hoisting platform 100.

[0059] As shown in Figure 3 In this embodiment, one end of the side plate 210 is provided with a clamping groove one 211, and the two ends of the guardrail plate one 220 are fixed with clamping blocks one 221, and the clamping blocks one 221 and the clamping groove one 211 are slidably inserted to realize the detachable installation of the guardrail plate one 220 between the two side plates 210. Figure 5 Similarly, the guardrail plate three 320 and the guardrail plate two 310 in

[0060] As shown in Figure 8 In this embodiment, the outer side of the moving wheel is provided with a wheel hub motor 512 of the prior art, which is used to drive the moving wheel to rotate.

[0061] In the second embodiment, on the basis of the first embodiment, in order to adjust the direction of the moving wheel on the unloading vehicle 500, the moving wheel can move left and right or front and back.

[0062] As shown in Figure 8 and Figure 9 In this embodiment, the bottom of the unloading vehicle 500 is fixedly connected with a driving assembly 530 for driving the rotating seat 510 to rotate, the driving assembly 530 includes a double-head cylinder 531 fixedly connected with the unloading vehicle 500, the two output ends of the double-head cylinder 531 are fixedly connected with two L-shaped rods two 532, the two ends of the L-shaped rod two 532 are rotatably connected with a transmission rod 533, and the transmission rod 533 is fixedly connected with the corresponding position rotating seat 510.

[0063] In this embodiment, when it is necessary to adjust the moving wheel by 90 degrees to adjust the moving direction of the moving wheel in the left and right and front and back directions, the two output ends of the double-head cylinder 531 push the transmission rod 533 away from the double-head cylinder 531 with the L-shaped rod two 532, the transmission rod 533 pushes the rotating seat 510, and the rotating seat 510 rotates by 90 degrees around the axis of the circular rotating block 511, so that the moving direction of the moving wheel is adjusted in the front and back and left and right directions, and the unloading vehicle 500 is realized to move forward and backward or left and right on the hoisting platform 100.

[0064] In the embodiment, the bottom surface of the unloading vehicle 500 is provided with a moving groove corresponding to the position of the second Z-shaped rod 532, so that the second Z-shaped rod 532 moves stably on the bottom surface of the unloading vehicle 500.

[0065] In the embodiment, referring to Figure 9 , the end of the second Z-shaped rod 532 is provided with a rectangular hole 5321, which provides a moving space for the transmission rod 533, the transmission shaft 5322 on the second Z-shaped rod 532 is connected in the groove-shaped hole 5331 of the transmission rod 533, and the length of the groove-shaped hole 5331 is relatively long, so that the second Z-shaped rod 532 will not be separated from the transmission rod 533 during the movement of the second Z-shaped rod 532 pushing the transmission rod 533 through the transmission shaft 5322, and the reciprocating movement of the double-head cylinder 531 with the second Z-shaped rod 532 can also make the second Z-shaped rod 532 move with the transmission rod 533.

[0066] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0067] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A self-loading and unloading type double-layer safety guardrail for construction, characterized in that, The utility model relates to a building material lifting platform, including: Hoisting platform (100); Guardrail no. A plurality of load plates (300) are rotatably installed on the top surface of the hoisting platform (100), the plurality of load plates (300) respectively hold building materials of different floors, both sides of the load plate (300) are fixed with guardrail plate no. Material position adjusting mechanism (400) is arranged on the top of hoisting platform (100), can adjust the position height of load plate (300), material position adjusting mechanism (400) includes the fixed frame (410) of hoisting platform (100), the bottom of fixed frame (410) is provided with electric hoist (420), and the steel wire rope of electric hoist (420) suspends the crossbeam (430) that can tow load plate (300); Discharging trolley (500) is arranged between load plate (300) and hoisting platform (100), can assist user to unload building materials, and four corners of the bottom of discharging trolley (500) are rotatably installed with moving wheel.

2. The self-loading and unloading type double-layer safety protective fence for architectural construction according to claim 1, characterized in that, The both sides of fixed frame (410) are provided with the sliding slot of sliding connection with crossbeam (430), the outside of crossbeam (430) is fixed with a plurality of hooks (450), and two guardrail plate no.

3. The self-loading and unloading type double-layer safety protective fence for architectural construction according to claim 1, characterized in that, One end of side plate (210) is hinged with door plate (230), and two door plates (230) are fixedly installed with safety net no.

4. The self-loading and unloading type double-layer safety protective fence for architectural construction according to claim 1, characterized in that, The outside of fixed frame (410) is fixed with a plurality of fixed frame rods no.

5. The self-loading and unloading type double-layer safety protective fence for architectural construction according to claim 1, characterized in that, One end of load plate (300) is fixed with two fixed seats (330), the bottom surface of hoisting platform (100) is fixed with a plurality of support seats (110), and the support seat (110) is rotatably connected with the corresponding position fixed seat (330).

6. The self-loading and unloading type double-layer safety protective fence for architectural construction according to claim 1 or 5, characterized in that, According to the needs, oil cylinder no.

7. The self-loading and unloading type double-layer safety protective fence for architectural construction according to claim 1, characterized in that, The bottom surface of load plate (300) is provided with two rectangular grooves (340), both sides of discharging trolley (500) are fixed with oil cylinder no.

8. The self-loading and unloading type double-layer safety protective fence for architectural construction according to claim 7, characterized in that, The four corners of the bottom of discharging trolley (500) are rotatably connected with two rotating seats (510) rotatably connected with moving wheel, and the bottom of discharging trolley (500) is fixed with the drive assembly (530) of drive rotating seat (510).

9. The self-loading and unloading type double-layer safety protective fence for architectural construction according to claim 8, characterized in that, The driving assembly (530) comprises a double-end pneumatic cylinder (531) fixedly connected with the unloading vehicle (500), both output ends of the double-end pneumatic cylinder (531) are fixedly provided with a U-shaped rod (532), both ends of the U-shaped rod (532) are rotatably connected with a transmission rod (533), and the transmission rod (533) is fixedly connected with the corresponding position rotating seat (510).

10. A method for using the self-loading and unloading type double-layer safety protective fence for building construction according to any one of claims 1-9, characterized in that, The method specifically comprises the following steps: Step one: open the door plate (230) on the guardrail one (200), the construction personnel enter the inside of the guardrail one (200) to put the building materials of different floors into different placing frames; Step two: close the door plate (230) and install the safety net one (231), the external hoisting equipment hoists the whole hoisting platform (100) to the outside of the unloading port of the floor; Step three: open the guardrail plate one (220), move the unloading vehicle (500) to the below of the placing frame, and make the unloading vehicle (500) bear and support the placing frame; Step four: the wheel hub motor on the unloading vehicle (500) drives the moving wheel to roll, and then makes the unloading vehicle (500) move out of the guardrail one (200) and transfer the building materials to the indoor; Step five: the electric hoist (420) suspends the cross beam (430) to make one or more placing frames in the middle position of the hoisting platform (100) move up by the height of one placing frame; Step six: the unloading vehicle (500) takes the placing frame in the end position of the hoisting platform (100) to move horizontally to the middle position of the hoisting platform first, and then moves the placing frame with the materials to the indoor vertically.

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