Overturning plate overhanging discharging platform

Abstract

The utility model relates to a turning plate overhanging discharging platform which comprises a platform body, a charging cavity used for containing materials is formed in the platform body, a notch used for containing long materials is formed in the side wall of the charging cavity, and the turning plate overhanging discharging platform is characterized in that a sealing plate used for sealing the notch is arranged on the platform body; the platform body is provided with a first clamping structure used for clamping and fixing the sealing plate to the platform body. Through cooperative use of the first clamping structure and the sealing plate, whether the sealing plate is installed on the platform body or not is selected according to actual use requirements, so that the risk that materials fall off from the notch due to shaking of the discharging platform in the process of transporting conventional materials is prevented, and then the safety of the construction process is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of unloading platforms, and in particular to a flap cantilevered unloading platform. Background Art

[0002] Unloading platforms are various temporary operating platforms and operating frames often set up at construction sites, generally used for material turnover. Unloading platforms are generally divided into floor-standing unloading platforms, cantilevered unloading platforms and other forms. At present, the most commonly used in high-rise buildings is the inclined steel cantilevered unloading platform. The main force-bearing method is to fix the steel main beam on the floor slab through the embedded steel bar parts, and then reserve holes or embedded steel bar pull rings on the upper floor structure, and use steel wire ropes to obliquely pull the end of the steel beam to form a hanging force system.

[0003] At present, with the continuous improvement of construction safety and civilization requirements in the construction area, when using cantilever unloading platforms to transport materials, it is necessary not only to meet the material transportation quality requirements, but also to ensure the safety of operators during transportation. When it is necessary to use unloading platforms to load materials that are too long, in order to facilitate the handling of workers and prevent the long materials from swinging, slots are usually opened on the side guardrails of the unloading platform. When using, the materials are placed in the slots and the side walls of the slots are used to limit the materials, thereby facilitating the transportation of long materials.

[0004] However, when using the above-mentioned platform with slots to transport ordinary materials, the slots on the platform will lead to insufficient protection of the surrounding sides of the unloading platform, especially when loading and unloading materials, the main bearing capacity of the unloading platform changes the most. At this time, the unloading platform is prone to shaking, causing materials to fall along the slots, resulting in falling objects from high altitudes, and thus causing safety accidents during the construction process. Utility Model Content

[0005] In order to solve the problem that when transporting ordinary materials, the shaking of the unloading platform easily causes the materials to fall from the slots, resulting in safety accidents during the construction process, the present application provides a flap cantilevered unloading platform.

[0006] The present application provides a flap cantilever unloading platform, which adopts the following technical solution:

[0007] A flap cantilevered unloading platform comprises a platform body, a loading cavity for placing materials is formed on the platform body, a slot for placing longer materials is formed on the side wall of the loading cavity, and the characteristic is that a sealing plate for blocking the slot is provided on the platform body, and a first clamping structure for clamping and fixing the sealing plate to the platform body is provided on the platform body.

[0008] By adopting the above technical solution, when the unloading platform needs to be used to transport conventional materials, the sealing plate can be clamped and fixed on the platform body through the first clamping structure, so that the slot is blocked by the sealing plate, thereby avoiding the risk of materials falling from the slot when the unloading platform shakes; when the unloading platform needs to be used to transport longer materials, the first clamping structure can be removed, so as to remove the sealing plate from the platform body, and then the material can be transported into the platform body through the slot, and the material can be limited by the inner wall of the slot, which is simple and convenient to use.

[0009] Preferably, the platform body includes a load-bearing frame, a base plate fixed on the load-bearing frame, and side plates and a back plate detachably connected to the base plate. Two side plates are provided, and the two side plates are symmetrically arranged on the base plate. The back plate is located between the two side plates, and a second clamping structure is provided between the back plate and the side plates. The loading chamber is formed by enclosing the base plate, the side plate and the back plate, the groove is opened on the back plate, and one end of the sealing plate is rotatably connected to the back plate.

[0010] By adopting the above technical solution, the side panels and the back panel can be detachably connected to the bottom panel during use, which makes it convenient for users to remove the side panels and the back panel from the bottom panel for replacement and storage; when the side panels, the back panel and the bottom panel need to be combined together, the connection between the back panel and the side panels is achieved through the second clip structure, thereby realizing the assembly of the side panels, the back panel and the bottom panel.

[0011] Preferably, a plurality of groups of the first clamping structures are provided, and the plurality of groups of the first clamping structures are distributed at intervals around the sealing plate.

[0012] By adopting the above technical solution, multiple groups of first clamping structures are provided during use, so that the connection between the sealing plate and the back plate is more stable.

[0013] Preferably, the first clamping structure includes a latch sliding on the back plate and a handle fixed on the latch, and the sealing plate is provided with a through hole for embedding the latch.

[0014] By adopting the above technical solution, when the sealing plate is buckled in the groove during use, the staff can slide the latch by the handle to insert one end of the latch into the through hole, thereby realizing the clamping of the sealing plate.

[0015] Preferably, the bottom plate is provided with reinforcing ribs, a plurality of the reinforcing ribs are provided, and the plurality of the reinforcing ribs are arranged to cross each other.

[0016] By adopting the above technical solution, the structural strength of the bottom plate is increased by the reinforcing ribs during use. At the same time, the arrangement of the reinforcing ribs also increases the friction of the bottom plate, so that the material is placed on the bottom plate with higher stability.

[0017] Preferably, the second clamping structure includes a first plug block fixed on the side panel, a first hook fixed on an end of the first plug block away from the side panel, and a first buckle arranged on the back panel, and a first plug hole for the first plug block to be inserted is opened on the back panel.

[0018] By adopting the above technical solution, when the side panel and the back panel are rotated to be perpendicular to each other during use, the first plug block is inserted into the first plug hole, and the first hook is located on the outside of the back panel after passing through the first plug hole. Thereafter, the side panel can be fixed by the mutual cooperation of the first buckle and the first hook, thereby preventing the side panel and the back panel from separating without external force.

[0019] Preferably, the side panel is detachably connected to a first extension panel, the back panel is detachably connected to a second extension panel, and a third clamping structure is provided between the first extension panel and the second extension panel.

[0020] By adopting the above technical solution, the height of the side plate and the back plate is increased by adding the first extension plate and the second extension plate during use, and the first extension plate and the second extension plate are clamped together by the third clamping structure, so as to achieve the connection and fixation between the first extension plate, the second extension plate, the side plate and the back plate, thereby increasing the space of the loading chamber and facilitating use.

[0021] Preferably, the third clamping structure includes a second plug block fixed on the first extension plate, a second hook fixed on an end of the second plug block away from the first extension plate, and a second buckle arranged on the second extension plate, and the second extension plate is provided with a second plug hole for the second plug block to be inserted.

[0022] By adopting the above technical solution, when in use, the second socket is embedded in the second socket, and the second hook passes through the second socket and is located on the outside of the second extension plate, and then the second buckle and the second hook are used in coordination to achieve the connection between the second extension plate and the first extension plate, which is simple and convenient to use.

[0023] Preferably, a front plate is arranged on the bottom plate, the front plate is arranged opposite to the back plate, one end of the front plate is rotatably connected to the bottom plate, and the other end of the front plate is arranged with a fourth clamping structure.

[0024] By adopting the above technical solution, a front plate is set during use. When the front plate is laid flat, the length of the bottom plate is extended, thereby indirectly increasing the space size in the loading chamber. When the front plate is perpendicular to the bottom plate, the front plate and the side plate can be clamped and fixed by the fourth clamping structure, so that the front plate, the bottom plate, the side plate and the back plate are enclosed to form a box-like structure with an open upper end, thereby facilitating the transportation of some smaller materials and being more conducive to use.

[0025] Preferably, the fourth clamping structure comprises a clamping rod sliding on the front plate, a limiting rod fixed on the clamping rod, a fixing block is fixed on the side plate, and a clamping groove is formed on the fixing block.

[0026] By adopting the above technical solution, when the front plate is rotated to be perpendicular to the bottom plate during use, the staff can rotate the clamping rod to make the limit rod face upward, and then move the clamping rod to embed the clamping rod into the clamping groove and the limit rod is located on the outside of the fixed block, and then rotate the clamping rod to rotate the limit rod to face vertically downward, so that the limit rod abuts against the side wall of the fixed block, thereby preventing the clamping rod from sliding out of the clamping groove, thereby achieving the clamping fixation of the front plate and the side wall.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. When using, choose whether to use a sealing plate to block the slot according to the size of the material to be transported. If the size of the material to be transported is small, the sealing plate can be installed on the platform body, and then the sealing plate can be rotated to block the slot. Then, the latch can be moved so that one end of the latch is inserted into the through hole on the sealing plate to block the slot. The use process is simple and convenient, and at the same time, it avoids the risk of materials falling from the slot due to the shaking of the unloading platform when transporting conventional materials, thereby increasing the safety of high-altitude material transportation;

[0029] 2. When in use, the first extension plate is detachably connected to the side wall, and the second extension plate is detachably connected to the back plate, so that the space in the loading chamber is increased, thereby further avoiding the risk of materials falling from the unloading platform, increasing the safety of the material transportation process, and at the same time, the first extension plate and the second extension plate can be removed according to actual needs, which is more convenient to use;

[0030] 3. When in use, by adding a front plate at one end of the bottom plate, the front plate, side plate, back plate and bottom plate are enclosed together to form a box-like structure with one end open, which is conducive to transporting some smaller materials. At the same time, when transporting larger materials, the front plate can be removed or laid flat to avoid affecting the placement of the materials, which is more conducive to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is an axonometric diagram mainly showing the overall structure in the first embodiment of the present application;

[0032] Figure 2 It is an axonometric diagram mainly showing the structure of the platform body in the first embodiment of the present application;

[0033] Figure 3 yes Figure 1 The enlarged view of the structure of part A is mainly shown in the figure;

[0034] Figure 4It is an axonometric diagram mainly showing the back plate structure in the first embodiment of the present application;

[0035] Figure 5 It is an exploded view mainly showing the second clamping structure in the first embodiment of the present application;

[0036] Figure 6 yes Figure 1 The enlarged view of the structure of part B is mainly shown in the figure;

[0037] Figure 7 It is an axonometric schematic diagram mainly showing the third clamping structure in the first embodiment of the present application;

[0038] Figure 8 It is an axonometric diagram mainly showing the bottom plate structure in the first embodiment of the present application;

[0039] Fig. 9 This is an axonometric diagram mainly showing the overall structure in the second embodiment of the present application;

[0040] Fig.10 yes Fig. 9 The enlarged view of the C structure is mainly shown in the figure.

[0041] 1. Platform body; 11. Carrying frame; 12. Bottom plate; 13. Side plate; 14. Back plate; 15. Front plate; 2. Loading chamber; 3. Notch; 4. Closing plate; 5. First clamping structure; 51. Latch; 52. Handle; 53. Through hole; 6. Second clamping structure; 61. First plug-in block; 62. First hook; 63. First buckle; 64. First plug-in hole; 7. Reinforcing rib; 8. First extension plate; 9. Second extension plate; 10. Third clamping structure; 101. Second plug-in block; 102. Second hook; 103. Second buckle; 104. Second plug-in hole; 20. Fourth clamping structure; 201. Clamping rod; 202. Limiting rod; 203. Fixing block; 204. Clamping groove; 30. Insertion rod; 40. Connecting column; 50. Connecting hole; 60. Locking nut. DETAILED DESCRIPTION

[0042] The following is combined with Figure 1 -Attached Fig.10 This application is described in further detail.

[0043] The embodiment of the present application discloses a flap cantilevered unloading platform.

[0044] Embodiment 1:

[0045] Reference Figure 1 and Figure 2A flap cantilever unloading platform comprises a horizontally placed platform body 1, a loading chamber 2 is opened on the platform body 1, the platform body 1 consists of four parts: a bearing frame 11, a bottom plate 12, a side plate 13 and a back plate 14, wherein the bearing frame 11 is formed by welding a plurality of channel steels, the bottom plate 12 is welded on the bearing frame 11, two side plates 13 are provided, and the two side plates 13 are symmetrically arranged at the front and rear ends of the bottom plate 12, the two side plates 13 are arranged perpendicular to the bottom plate 12, the back plate 14 is located between the two side plates 13, and the bottom end of the back plate 14 is detachably connected to the right end of the bottom plate 12, and the two ends of the back plate 14 are respectively clamped and fixed with a side plate 13, and the loading chamber 2 is formed by enclosing the bottom plate 12, the two side plates 13 and a back plate 14.

[0046] Reference Figure 2 and Figure 3 In this embodiment, the connection method between the back plate 14 and the bottom plate 12 is the same as the connection method between the side plate 13 and the bottom plate 12. Take the connection method between the side plate 13 and the bottom plate 12 as an example: an L-shaped plug rod 30 is welded and fixed to the bottom end of the side plate 13, and a cylindrical connecting column 40 is welded to the side wall of the bottom plate 12. A connecting hole 50 is penetrated through the connecting column 40 along its own axial direction, and a locking nut 60 is threadedly connected to one end of the plug rod 30; when in use, the plug rod 30 is inserted into the connecting hole 50. After one end of the plug rod 30 passes through the connecting hole 50, it can be threadedly connected to the plug rod 30 through the locking nut 60, thereby preventing the plug rod 30 from detaching from the connecting hole 50, thereby realizing the installation of the side plate 13 on the bottom plate 12, and at the same time, the side plate 13 rotates around the axis of the plug rod 30, and the overall use is simple and convenient.

[0047] Reference Figure 2 and Figure 4 A slot 3 for transporting longer materials is provided on the back plate 14, a sealing plate 4 is provided on the back plate 14, the sealing plate 4 is used to block the slot 3, the bottom end of the sealing plate 4 is hinged to the back plate 14 by a hinge, a through hole 53 is provided on the top of the sealing plate 4, a first clamping structure 5 is provided on the back plate 14, the first clamping structure 5 is used to clamp and fix the sealing plate 4, a plurality of first clamping structures 5 are provided, and the plurality of first clamping structures 5 are spaced apart on the surrounding side of the sealing plate 4. In the present embodiment, the first clamping structure 5 is preferably provided in two groups, and the two groups of first clamping structures 5 are symmetrically provided at both ends of the top of the sealing plate 4.

[0048] Reference Figure 2 and Figure 4The first clamping structure 5 includes a latch 51 and a handle 52. The latch 51 is slidably inserted into the back plate 14, and the handle 52 is integrally formed at one end of the latch 51. When the slot 3 needs to be blocked by the sealing plate 4 during use, the sealing plate 4 can be rotated so that the through hole 53 on the sealing plate 4 is aligned with the latch 51, and then the staff can turn the handle 52 to move the latch 51 toward the through hole 53 until the end of the latch 51 away from the handle 52 passes through the through hole 53, so that the sealing plate 4 can be blocked at the slot 3.

[0049] Reference Figure 1 and Figure 5 A second clamping structure 6 is provided between the back plate 14 and the side plate 13, and the second clamping structure 6 is used to clamp and fix the back plate 14 and the side plate 13 together. The second clamping structure 6 includes a first plug block 61, a first hook 62 and a first buckle 63. The first plug block 61 is welded to the right end of the side plate 13, and the first hook 62 is integrally formed at the end of the first plug block 61 away from the side plate 13. The first buckle 63 is fixed on the back plate 14, and a first plug hole 64 is provided on the back plate 14; when in use, by rotating the back plate 14 to be perpendicular to the bottom plate 12, the first plug block 61 on the side plate 13 can be inserted into the first plug hole 64, and the first hook 62 passes through the first plug hole 64 and is located on the outside of the back plate 14, and then the first ring on the first buckle 63 can be rotated so that one end of the ring is hooked on the first hook 62, so as to realize the clamping of the back plate 14 and the side plate 13 together.

[0050] Reference Figure 1 and Figure 6 The top of the side panel 13 is detachably connected to the first extension panel 8, and the top of the back panel 14 is detachably connected to the second extension panel 9. In this embodiment, the connection method between the first extension panel 8 and the side panel 13, and the connection method between the back panel 14 and the second extension panel 9 are the same as the connection method between the back panel 14 and the bottom panel 12.

[0051] Reference Figure 1 and Figure 7 A third clamping structure 10 is provided between the first extension plate 8 and the second extension plate 9, and the third clamping structure 10 is used to clamp and fix the first extension plate 8 and the second extension plate 9 together. The third clamping structure 10 includes a second plug-in block 101, a second hook 102 and a second buckle 103. The second plug-in block 101 is welded to the right end of the first extension plate 8, and the second hook 102 is integrally formed at the right end of the second plug-in block 101. The second buckle 103 is fixed on the second extension plate 9. The second extension plate 9 is provided with a second plug hole 104, and the second plug hole 104 is used to embed the second plug-in block 101.

[0052] Reference Figure 1 and Figure 7When in use, by rotating the first extension plate 8 and the second extension plate 9, the first extension plate 8 and the second extension plate 9 are vertically arranged, and the second plug block 101 can be inserted into the second insertion hole 104. At this time, the second hook 102 passes through the second insertion hole 104 and is located on the outside of the second extension plate 9. After that, the second ring on the second buckle 103 can be hooked on the second hook 102 to achieve the second extension plate 9 and the first extension plate 8 being clamped and fixed together.

[0053] Reference Figure 2 and Figure 8 , reinforcing ribs 7 are welded on the bottom plate 12, and there are multiple reinforcing ribs 7, and the multiple reinforcing ribs 7 are arranged in a cross-arranged manner, and the reinforcing ribs 7 are located on the upper end surface of the bottom plate 12; when in use, the structural strength of the bottom plate 12 is increased by arranging the reinforcing ribs 7 on the bottom plate 12, and at the same time, the friction of the bottom plate 12 is increased by the reinforcing ribs 7, so that the material is not easy to shake when placed on the bottom plate 12, thereby increasing the safety of the platform body 1 in the process of transporting materials.

[0054] The implementation principle of the embodiment of the present application is as follows: when in use, the side panels 13 and the back panel 14 are first installed on the bottom panel 12 respectively, and the side panels 13 and the back panel 14 are clamped together by the second clamping structure 6, so that the side panels 13, the back panel 14 and the bottom panel 12 are enclosed to form a loading chamber 2. When it is necessary to transport materials of longer size, the materials can be placed in the loading chamber 2, and one end of the materials can be abutted against the bottom panel 12, and the other end can be placed in the slot 3, so that on the one hand, the shaking of the materials can be prevented by the reinforcing ribs 7 on the bottom panel 12, and on the other hand, the side wall of the materials can be abutted and limited by the slot 3 to reduce the amplitude of the shaking of the materials; when it is necessary to transport materials of ordinary size, the sealing plate 4 can be rotated to block the slot 3, and then the sealing plate 4 can be clamped and fixed by the latch 51, so as to avoid the risk of materials falling along the slot 3 due to the shaking of the unloading platform. At the same time, during the transportation of materials, the staff can choose to install the first extension plate 8 and the second extension plate 9 on the platform body 1 as needed, so as to increase the space of the loading chamber 2, which is convenient for use.

[0055] The difference between Example 2 and Example 1 is that:

[0056] Reference Fig. 9The left end of the bottom plate 12 is detachably connected with a front plate 15, and the front plate 15 is arranged opposite to the back plate 14. The connection method of the front plate 15 and the bottom plate 12 is the same as the connection method of the back plate 14 and the bottom plate 12, so the front plate 15 can rotate on the bottom plate 12, and a fourth clamping structure 20 is provided on the front plate 15, and the fourth clamping structure 20 is used to clamp and fix the front plate 15 and the side plate 13 together; when in use, after the front plate 15 is rotated to be perpendicular to the bottom plate 12, the front plate 15 can be clamped and fixed by the fourth clamping structure 20 to prevent the front plate 15 from rotating downward, and at this time, the front plate 15, the side plate 13, the back plate 14 and the bottom plate 12 are jointly enclosed to form a box-like structure with an open top, so as to facilitate the transportation of smaller materials.

[0057] Reference Fig. 9 and Fig.10 The fourth clamping structure 20 includes a clamping rod 201 and a limiting rod 202. The clamping rod 201 is inserted into the front plate 15, and the clamping rod 201 can slide along its own axis direction. The limiting rod 202 is integrally formed on the clamping rod 201. A fixing block 203 is welded to the left end of the side plate 13, and a clamping groove 204 is provided on the top of the fixing block 203. When the front plate 15 is rotated to be perpendicular to the bottom plate 12 during use, the limiting rod 202 can be rotated upward by the staff. 2, and then pull the limit rod 202 to make the clamping rod 201 slide. When the clamping rod 201 is embedded in the clamping groove 204 and the limit rod 202 passes through the clamping groove 204 and is located on the outside of the side plate 13, the limit rod 202 can be rotated downward to make the side wall of the limit rod 202 abut against the side wall of the fixing block 203, so as to prevent the clamping rod 201 from being separated from the clamping groove 204, thereby realizing the clamping connection between the front plate 15 and the side plate 13, and the use method is simple and convenient.

[0058] The implementation principle of the embodiment of the present application is as follows: when in use, the side panels 13 and the back panel 14 are respectively installed on the bottom panel 12, and the side panels 13 and the back panel 14 are clamped together by the second clamping structure 6, so that the side panels 13, the back panel 14 and the bottom panel 12 are enclosed to form a loading chamber 2. When it is necessary to transport materials of smaller size, the front panel 15 can be first installed on the bottom panel 12, and then the front panel 15 and the side panels 13 can be clamped and fixed by the fourth clamping structure 20, so that the front panel 15, the back panel 14, the side panels 13 and the bottom panel 12 are enclosed to form a box-like structure with an open top, so as to increase the safety during the material transportation process; and when it is necessary to transport materials of longer size, the fourth clamping structure 20 can be opened. The clamping structure 20 can be used to select to rotate the front plate 15 to abut against the supporting frame 11, or to remove the front plate 15, so as to avoid the front plate 15 affecting the placement of materials. When it is necessary to transport materials of ordinary size, the sealing plate 4 can be rotated to block the slot 3, and then the sealing plate 4 can be clamped and fixed by the latch 51, so as to avoid the risk of materials falling along the slot 3 due to the shaking of the unloading platform. At the same time, during the transportation of materials, the staff can choose to install the first extension plate 8 and the second extension plate 9 on the platform body 1 as needed, so as to increase the space of the loading chamber 2. The overall use is simple and convenient, while ensuring the safety of material transportation and improving the scope of application.

[0059] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A flap cantilever unloading platform, comprising a platform body (1), the platform body (1) is provided with a loading cavity (2) for placing materials, the side wall of the loading cavity (2) is provided with a slot (3) for placing longer materials, characterized in that: The platform body (1) is provided with a sealing plate (4) for sealing the notch (3), and the platform body (1) is provided with a first clamping structure (5) for clamping and fixing the sealing plate (4) on the platform body (1).

2. The flap cantilevered unloading platform according to claim 1, characterized in that: The platform body (1) comprises a load-bearing frame (11), a bottom plate (12) fixed on the load-bearing frame (11), a side plate (13) and a back plate (14) detachably connected to the bottom plate (12), two side plates (13) are provided, and the two side plates (13) are symmetrically arranged on the bottom plate (12), the back plate (14) is located between the two side plates (13), and a second clamping structure (6) is provided between the back plate (14) and the side plates (13), the loading chamber (2) is formed by enclosing the bottom plate (12), the side plate (13) and the back plate (14), the notch (3) is opened on the back plate (14), and one end of the sealing plate (4) is rotatably connected to the back plate (14).

3. The flap cantilevered unloading platform according to claim 2 is characterized in that: The first clamping structures (5) are provided in multiple groups, and the multiple groups of the first clamping structures (5) are distributed at intervals around the sealing plate (4).

4. The flap cantilevered unloading platform according to claim 3 is characterized in that: The first clamping structure (5) comprises a latch (51) sliding on the back plate (14) and a handle (52) fixed on the latch (51), and the sealing plate (4) is provided with a through hole (53) for embedding the latch (51).

5. The flap cantilevered unloading platform according to claim 2 is characterized in that: The bottom plate (12) is provided with reinforcing ribs (7), a plurality of the reinforcing ribs (7) are provided, and the plurality of the reinforcing ribs (7) are arranged to cross each other.

6. The flap cantilevered unloading platform according to claim 2 is characterized in that: The second clamping structure (6) comprises a first plug block (61) fixed on the side plate (13), a first hook (62) fixed on an end of the first plug block (61) away from the side plate (13), and a first buckle (63) arranged on the back plate (14); the back plate (14) is provided with a first insertion hole (64) for the first plug block (61) to be inserted.

7. The flap cantilevered unloading platform according to claim 2, characterized in that: The side plate (13) is detachably connected to a first extension plate (8), the back plate (14) is detachably connected to a second extension plate (9), and a third clamping structure (10) is provided between the first extension plate (8) and the second extension plate (9).

8. The flap cantilevered unloading platform according to claim 7, characterized in that: The third clamping structure (10) comprises a second plug block (101) fixed on the first extension plate (8), a second hook (102) fixed on an end of the second plug block (101) away from the first extension plate (8), and a second buckle (103) arranged on the second extension plate (9); the second extension plate (9) is provided with a second insertion hole (104) for the second plug block (101) to be inserted.

9. The flap cantilevered unloading platform according to claim 2, characterized in that: A front plate (15) is arranged on the bottom plate (12), the front plate (15) and the back plate (14) are arranged opposite to each other, one end of the front plate (15) is rotatably connected to the bottom plate (12), and the other end of the front plate (15) is provided with a fourth clamping structure (20).

10. The flap cantilevered unloading platform according to claim 9, characterized in that: The fourth clamping structure (20) comprises a clamping rod (201) sliding on the front plate (15) and a limiting rod (202) fixed on the clamping rod (201); a fixing block (203) is fixed on the side plate (13); and a clamping groove (204) is provided on the fixing block (203).

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