A folding mobile platform

Abstract

This invention discloses a foldable mobile platform, including a pedal assembly, a rear ladder leg assembly, a front ladder leg assembly, multiple sets of lower guardrails, multiple sets of upper guardrails, and multiple hinge assemblies. Each end corner of the pedal assembly is provided with a splicing component. The rear ladder leg assembly is hinged to the splicing component at one end of the pedal assembly. The front ladder leg assembly is hinged to the splicing component at the other end of the pedal assembly. Multiple sets of lower guardrails are hinged to the top of the pedal assembly. Multiple sets of upper guardrails are hinged to the top of the lower guardrails. Multiple hinge assemblies are respectively disposed at the connection points between the multiple sets of lower guardrails and the pedal assembly, and at the connection points between the multiple sets of lower guardrails and the multiple sets of upper guardrails. This invention firstly, the rear ladder leg assembly, the front ladder leg assembly, and the pedal assembly form a movable support platform, and are foldably connected to the pedal assembly via splicing components. The lower and upper guardrails form the guardrail structure at the top of the pedal assembly, and are folded using the hinge assemblies, making it more flexible and convenient to use.

Description

Technical Field

[0001] This invention relates to the field of mobile platforms, and in particular to a foldable mobile platform. Background Technology

[0002] Traditional aluminum alloy scaffolding mobile platforms are assembled from multiple components, namely the footrest, support, and guardrail sections, which are modularly assembled. While this modular structure allows for easy deployment and retrieval without taking up much space, it necessitates reassembly for use, making it inconvenient to operate. Therefore, this solution proposes a folding mobile platform to address these issues. Summary of the Invention

[0003] The purpose of this invention is to provide a foldable mobile platform to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a foldable mobile platform, comprising: A pedal assembly, wherein each end corner of the pedal assembly is provided with a splicing component; The rear step assembly is hinged to the splicing assembly at one end of the pedal assembly, and can be rotated and folded by the splicing assembly and the pedal assembly. The front step assembly is hinged to the splicing assembly at the other end of the pedal assembly, and can be rotated and folded by the splicing assembly and the pedal assembly. Multiple sets of lower guardrails are hinged to the top of the pedal assembly; Multiple sets of upper guardrails are hinged to the top of the lower guardrail; Multiple hinge assemblies are respectively disposed at the connection points between the multiple sets of lower guardrails and the pedal assemblies, and at the connection points between the multiple sets of lower guardrails and the multiple sets of upper guardrails, for rotational locking of the multiple sets of lower guardrails and the multiple sets of upper guardrails.

[0005] Preferably, the pedal assembly includes: A pedal frame, wherein a non-slip wooden board is detachably connected to the middle of the pedal frame, and the splicing assembly is connected to one side of the pedal frame; Multiple connecting seats are respectively disposed on the other side of the pedal frame. The top of the connecting seats is used to connect to the hinge assembly, and the bottom of the multiple connecting seats is respectively hinged to the top of the rear ladder assembly and the front ladder assembly. Multiple rubber plugs are respectively fitted onto the ends of the pedal frame.

[0006] Preferably, the splicing components include: A hinge seat is detachably connected to the side of the pedal frame. A connecting vertical tube is fixedly connected to the top of the hinge seat. The top of the connecting vertical tube is used to connect the hinge buckle assembly. A connecting hinge sleeve is hinged to the bottom of the hinge seat. The connecting hinge sleeve is fitted onto the top of the rear ladder foot assembly and / or the front ladder foot assembly. A lock seat is fixedly connected to the bottom of the hinge seat. A pin is inserted through the middle of the lock seat. One end of the pin is inserted through the connection between the hinge seat and the connecting hinge sleeve. A first spring is provided on the outer wall of the pin and inside the lock seat. A pull ring is provided on the other end of the pin.

[0007] Preferably, the rear ladder leg assembly includes: Multiple rear leg tubes are arranged symmetrically in the horizontal and vertical directions. Multiple rear ladder horizontal tubes are arranged between the multiple rear leg tubes. The rear leg tubes are sleeved on the bottom of the connecting hinge sleeve, and a first core-pulling rivet is inserted and connected at the connection between the rear leg tube and the connecting hinge sleeve. A connecting plate is provided at the bottom end of the rear leg tube, and a brake caster is provided at the bottom end of the connecting plate. The brake caster and the connecting plate are detachably connected by a mating nut.

[0008] Preferably, the front ladder leg assembly includes: Multiple front leg tubes are arranged symmetrically in the horizontal and vertical directions. Multiple front ladder horizontal tubes are arranged between the multiple front leg tubes. The top of each front leg tube is sleeved with a connecting hinge sleeve. A second pull rivet is inserted and connected at the connection between the front leg tube and the connecting hinge sleeve. Plastic foot covers are fitted onto the bottom of the front foot tubes.

[0009] Preferably, the hinge assembly includes: The first hinge is connected to the top of the connecting vertical pipe and / or the lower guardrail; The second hinge is connected to the bottom of the lower guardrail and / or the upper guardrail; A locking insert is inserted between the first hinge and the second hinge. A bolt is inserted at the connection between the locking insert, the first hinge, and the second hinge. A second spring is sleeved on the shank of the bolt, and a connecting nut is threaded on the threaded end of the bolt.

[0010] Preferably, the lower guardrail includes: Multiple lower column vertical tubes are arranged symmetrically at their horizontal centers. Multiple lower horizontal tubes are fixedly connected between multiple lower vertical tubes.

[0011] Preferably, the upper guardrail includes: Multiple upper vertical tubes are arranged symmetrically at the horizontal center. Upper horizontal tubes are fixedly connected to the upper vertical tubes. A rotating sleeve and a sleeve are respectively rotatably fitted at the bottom and top of one of the upper vertical tubes. A first plastic cap is fitted at the top of each of the upper vertical tubes. A closed door structure is connected to the outer wall of the rotating sleeve and the sleeve.

[0012] Preferably, the closed door structure includes: Multiple door horizontal tubes, one end of each of the multiple door horizontal tubes is fixedly connected to the outer wall of the rotating sleeve and the sleeve respectively, and the other end of each of the multiple door horizontal tubes is fitted with a second plastic cap; Multiple door vertical tubes are fixedly connected between multiple door horizontal tubes.

[0013] Preferably, one of the door horizontal tubes is detachably connected to a door hook plate at the end away from the upper vertical tube, and a lock plate is adjustablely connected to the top of the door hook plate.

[0014] The technical effects and advantages of this invention are as follows: This invention comprises a platform consisting of a footboard assembly, a rear ladder foot assembly, a front ladder foot assembly, multiple sets of lower guardrails, multiple sets of upper guardrails, and multiple hinged components. The rear ladder foot assembly, front kick foot assembly, and footboard assembly form a movable supporting platform. The rear ladder foot assembly and front kick foot assembly are foldably connected to the footboard assembly via splicing components. Simultaneously, the lower and upper guardrails form the guardrail structure at the top of the footboard assembly, ensuring the safety of construction workers standing on top of the footboard assembly. The lower and upper guardrails are also foldable via hinged components, allowing the entire platform to be folded and unfolded, saving space when stored and allowing for quick assembly, making it more flexible and convenient to use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 This is an exploded view of the overall structure of the present invention.

[0017] Figure 3 This is a schematic diagram showing the connection between the pedal assembly and the splicing assembly of the present invention.

[0018] Figure 4 This is an exploded view of the splicing component of the present invention.

[0019] Figure 5 This is an exploded view of the rear ladder leg assembly of the present invention.

[0020] Figure 6 This is an exploded view of the front ladder leg assembly of the present invention.

[0021] Figure 7 This is an exploded view of the hinge assembly of the present invention.

[0022] Figure 8 This is a schematic diagram showing the connection between the lower guardrail and the first hinge of the present invention.

[0023] Figure 9 This is an exploded view of the guardrail of the present invention.

[0024] Figure 10 This is a schematic diagram showing the opening of the closed door structure on the right side of the upper guardrail of the present invention.

[0025] Figure 11 This is a schematic diagram showing the opening of the closed door structure on the left side of the upper guardrail of the present invention.

[0026] In the diagram: 1. Pedal assembly; 101. Pedal frame; 102. Anti-slip wooden board; 103. Connecting seat; 104. Rubber plug; 2. Splicing assembly; 201. Hinge seat; 202. Connecting vertical tube; 203. Lock seat; 204. Pin; 205. First spring; 206. Pull ring; 3. Connecting hinge sleeve; 4. Rear ladder foot assembly; 401. Rear foot tube; 402. Rear ladder horizontal tube; 403. Connecting plate; 404. First pop rivet; 405. Butt nut; 5. Front ladder foot assembly; 501. Front foot tube; 502. Front ladder horizontal tube; 503. Second pop rivet 504, Plastic foot cover; 6, Brake caster; 7, Hinge assembly; 701, First hinge; 702, Second hinge; 703, Lock insert; 704, Second spring; 705, Bolt; 706, Connecting nut; 8, Lower guardrail; 801, Lower guardrail vertical tube; 802, Lower guardrail horizontal tube; 9, Upper guardrail; 901, Upper guardrail vertical tube; 902, Upper guardrail horizontal tube; 903, Rotating sleeve; 904, Sleeve; 905, Door horizontal tube; 906, Door vertical tube; 907, Door hook plate; 908, Locking plate; 909, First plastic cover; 910, Second plastic cover. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] This invention provides, for example Figure 1 , Figure 2 , Figure 10 and Figure 11 The folding mobile platform shown includes a pedal assembly 1, a rear ladder foot assembly 4, a front ladder foot assembly 5, multiple hinge assemblies 7, multiple sets of lower guardrails 8 and multiple sets of upper guardrails 9, and splicing components 2 are provided at the end corners of the pedal assembly 1. For details, please refer to Figure 3 As shown, the pedal assembly 1 includes a pedal frame 101, multiple connecting seats 103, and multiple rubber plugs 104. An anti-slip wooden board 102 is detachably connected to the middle of the pedal frame 101. The pedal frame 101 has a rectangular frame structure. The anti-slip wooden board 102 is riveted and fixed to the middle of the pedal frame 101 using blind rivets. Anti-slip textures can be formed at the top of the anti-slip wooden board 102 for anti-slip purposes when the user steps on it. A splicing assembly 2 is connected to one side of the pedal frame 101. Multiple connecting seats 103 are respectively disposed on the other side of the pedal frame 101. The top of the connecting seats 103 is used to connect to the hinge assembly 7, and the bottom of the multiple connecting seats 103 is respectively hinged to the top of the rear ladder foot assembly 4 and the front ladder foot assembly 5. Multiple rubber plugs 104 are respectively sleeved on the ends of the pedal frame 101. Two connecting seats 103 are provided, connected with the splicing assembly 2, and fixed to the pedal frame 101 using blind rivets.

[0029] refer to Figure 4 As shown, the splicing assembly 2 includes a hinge seat 201 and a locking seat 203. The hinge seat 201 is detachably connected to the side of the pedal frame 101. A connecting vertical tube 202 is fixedly connected to the top of the hinge seat 201. The top of the connecting vertical tube 202 is used to connect the hinge buckle assembly 7. A connecting hinge sleeve 3 is hinged to the bottom of the hinge seat 201. The connecting hinge sleeve 3 is sleeved on the top of the rear ladder foot assembly 4 and / or the front ladder foot assembly 5. The locking seat 203 is fixedly connected to the hinge seat 201. At the bottom, one end of the lock seat 203 has a deep groove and a shallow groove, forming a cross-shaped groove; a pin 204 is inserted and connected to the middle of the lock seat 203, one end of the pin 204 is inserted and connected to the hinge seat 201 and the connecting hinge sleeve 3, a first spring 205 is provided on the outer wall of the pin 204 and inside the lock seat 203, and a pull ring 206 is provided on the other end of the pin 204. In this solution, the lock seat 203, pin 204, and... The first spring 205 and the pull ring 206 together form a locking structure. The same locking structure can also be set at the connecting seat 103 to lock the rear ladder leg assembly 4 and the front ladder leg assembly 5 according to the actual locking requirements. In use, when a person inserts their finger into the pull ring 206 and pulls out the pin 204, the lock can be unlocked. When the pull ring 206 is released, the pin 204 returns to the lock seat 203 under the action of the first spring 205, locking the rear ladder leg assembly 4 or the front ladder leg assembly 5. When the pull ring 206 and the cross groove of the lock seat 203 are in a horizontal state, the locking structure is in a locked state, and the rear ladder leg assembly 4 and the front ladder leg assembly 5 are locked and cannot be rotated. When the pull ring 206 and the cross groove of the lock seat 203 are in a vertical state, the locking structure is in an unlocked state, and the rear ladder leg assembly 4 and the front ladder leg assembly 5 are unlocked, allowing them to rotate and fold.

[0030] The rear step assembly 4 is hinged to the splicing assembly 2 at one end of the pedal assembly 1, and folds and retracts through the rotation of the splicing assembly 2 and the pedal assembly 1; for details, refer to Figure 5 As shown, the rear ladder foot assembly 4 includes multiple rear foot tubes 401 and a connecting plate 403. The multiple rear foot tubes 401 are arranged symmetrically in the horizontal and longitudinal directions. Multiple rear ladder horizontal tubes 402 are arranged between the multiple rear foot tubes 401. The multiple rear ladder horizontal tubes 402 are welded and fixed to the rear foot tubes 401. The rear foot tubes 401 are sleeved on the bottom of the connecting hinge sleeve 3, and a first pop rivet 404 is inserted and connected at the connection between the rear foot tubes 401 and the connecting hinge sleeve 3. The connecting hinge sleeve 3 is connected to the rear foot tubes 401 through the first pop rivet 404. The outer wall of the connecting hinge sleeve 3 is provided with two extensions. The plate wall is hinged to the bottom of the connecting seat 103 or the hinge seat 201; the connecting plate 403 is located at the bottom end of the rear foot tube 401, and the bottom end of the connecting plate 403 is provided with a brake caster 6. The brake caster 6 is threaded and can be stopped. The brake caster 6 and the connecting plate 403 are detachably connected by a mating nut 405. The top of the brake caster 6 has a threaded post, and the middle of the connecting plate 403 has a through hole. After the threaded post passes through the through hole, it is threadedly connected by the mating nut 405, thereby realizing the assembly of the brake caster 6 and the connecting plate 403.

[0031] The front step assembly 5 is hinged to the splicing assembly 2 at the other end of the pedal assembly 1, and folds and retracts via the rotation of the splicing assembly 2 and the pedal assembly 1; for details, refer to... Figure 6 As shown, the front ladder leg assembly 5 includes multiple front leg tubes 501 and plastic foot covers 504. The multiple front leg tubes 501 are arranged horizontally and longitudinally symmetrically. Multiple front ladder cross tubes 502 are arranged between the multiple front leg tubes 501. The front ladder cross tubes 502 are welded and fixed to the front leg tubes 501. The top of the front leg tube 501 is sleeved with the connecting hinge sleeve 3. A second pull rivet 503 is inserted and connected at the connection between the front leg tube 501 and the connecting hinge sleeve 3. The front leg tube 501 is also hinged to the connecting seat 103 or the hinge seat 201 through the connecting hinge sleeve 3. The plastic foot cover 504 is sleeved on the bottom of the front leg tube 501. The plastic foot cover 504 is assembled under the front leg tube 501 to provide anti-slip support on the ground.

[0032] Multiple hinge assemblies 7 are respectively disposed at the connection points between multiple sets of lower guardrails 8 and the pedal assembly 1, and at the connection points between multiple sets of lower guardrails 8 and multiple sets of upper guardrails 9, for rotational locking of the multiple sets of lower guardrails 8 and multiple sets of upper guardrails 9; specifically, refer to Figure 7As shown, the hinge assembly 7 includes a first hinge 701, a second hinge 702, and a locking insert 703. The first hinge 701 is connected to the top of the connecting vertical pipe 202 and / or the lower guardrail 8; the second hinge 702 is connected to the bottom of the lower guardrail 8 and / or the upper guardrail 9; the locking insert 703 is inserted between the first hinge 701 and the second hinge 702, and a bolt 705 is inserted at the connection between the locking insert 703, the first hinge 701, and the second hinge 702. A second spring 704 is sleeved on the shank of the bolt 705, and a threaded end of the bolt 705 is threaded with... Connecting nut 706; the operator can press the locking plate 703 inward by hand, at which time the locking plate 703 can be unlocked. When the hand is released, under the action of the second spring 704, the locking plate 703 returns to its original position, at which point the hinge locks; when the first hinge 701 and the second hinge 702 are aligned vertically, the first hinge 701 and the second hinge 702 are locked by the locking plate 703 and cannot be folded; when the locking plate 703 is pressed down, the locking plate 703 disengages from its locked position, and the two first hinges 701 and the second hinge 702 are unlocked, allowing for 180° rotation and folding.

[0033] Multiple sets of lower guardrails 8 are hinged to the top of the pedal assembly 1; Reference Figure 8 As shown, the lower guardrail 8 includes multiple lower guardrail vertical tubes 801 and multiple lower guardrail horizontal tubes 802. The multiple lower guardrail vertical tubes 801 are arranged symmetrically at the horizontal center. The multiple lower guardrail horizontal tubes 802 are all fixedly connected between the multiple lower guardrail vertical tubes 801. The lower guardrail vertical tubes 801 and the multiple lower guardrail horizontal tubes 802 are fixed by aluminum argon arc welding. The top of the lower guardrail vertical tube 801 is welded and fixed to the first hinge 701, and the first hinge 701 at the top of the multiple lower guardrail vertical tubes 801 are in opposite directions.

[0034] Multiple sets of upper guardrails 9 are hinged to the top of the lower guardrail 8; for details, please refer to [reference needed]. Figure 9 As shown, the upper guardrail 9 includes multiple upper guardrail vertical tubes 901 and a closed door structure. The multiple upper guardrail vertical tubes 901 are arranged horizontally and symmetrically. Upper guardrail horizontal tubes 902 are fixedly connected between the multiple upper guardrail vertical tubes 901. The bottom and top of one of the upper guardrail vertical tubes 901 are respectively fitted with a rotating sleeve 903 and a sleeve 904. The rotating sleeve 903 and the sleeve 904 can rotate at the tube wall of the upper guardrail vertical tube 901. The top of each of the multiple upper guardrail vertical tubes 901 is fitted with a first plastic cover 909. The closed door structure is connected to the outer wall of the rotating sleeve 903 and the sleeve 904.

[0035] Furthermore, the closed door structure includes multiple door horizontal tubes 905 and multiple door vertical tubes 906. One end of each of the multiple door horizontal tubes 905 is fixedly connected to the outer wall of the rotating sleeve 903 and the sleeve 904, respectively. In this design, two door horizontal tubes 905 are selected. One end of each of the two door horizontal tubes 905 is welded and fixed to the outer wall of the rotating sleeve 903 and the sleeve 904, respectively. The other end of each of the multiple door horizontal tubes 905 is fitted with a second plastic cover 910. The multiple door vertical tubes 906 are all fixedly connected between the multiple door horizontal tubes 905. One of the door horizontal tubes 905 is detachably connected to a door hook plate 907 at the end away from the upper vertical tube 901. The door hook plate 907 is connected to the door horizontal tube 905 located at the top by a pop rivet. A lock plate 908 is adjustablely connected to the top of the door hook plate 907. The lock plate 908 has a flange on its outer edge. The lock plate 908 can be manually moved to lock or unlock it. The door hook plate 907 has a small protrusion to prevent the lock plate 908 from automatically unlocking due to vibration or tilting when locked.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A foldable mobile platform, characterized in that, include: The pedal assembly (1) is provided with splicing components (2) at each end corner. The rear step assembly (4) is hinged to the splicing assembly (2) at one end of the pedal assembly (1), and can be rotated and folded by the splicing assembly (2) and the pedal assembly (1); The front step assembly (5) is hinged to the splicing assembly (2) at the other end of the pedal assembly (1), and can be rotated and folded by the splicing assembly (2) and the pedal assembly (1); Multiple sets of lower guardrails (8) are hinged to the top of the pedal assembly (1); Multiple sets of upper guardrails (9) are hinged to the top of the lower guardrail (8); Multiple hinge components (7) are respectively disposed at the connection points of multiple sets of lower guardrails (8) and the pedal assembly (1) and the connection points of multiple sets of lower guardrails (8) and multiple sets of upper guardrails (9), for rotational locking of multiple sets of lower guardrails (8) and multiple sets of upper guardrails (9).

2. The foldable mobile platform according to claim 1, characterized in that, The pedal assembly (1) includes: A pedal frame (101) is provided, with a non-slip wooden board (102) detachably connected to the middle of the pedal frame (101), and the splicing assembly (2) is connected to one side of the pedal frame (101). The pedal frame (101) has a rectangular frame structure, and the top of the anti-slip wooden board (102) has anti-slip texture; Multiple connecting seats (103) are respectively disposed on the other side of the pedal frame (101). The top of the connecting seat (103) is used to connect the hinge assembly (7), and the bottom of the multiple connecting seats (103) is respectively hinged to the top of the rear ladder foot assembly (4) and the front ladder foot assembly (5). Multiple rubber plugs (104) are respectively fitted onto the ends of the pedal frame (101).

3. A foldable mobile platform according to claim 2, characterized in that, The splicing component (2) includes: A hinge (201) is detachably connected to the side of the pedal frame (101). A connecting vertical tube (202) is fixedly connected to the top of the hinge (201). The top of the connecting vertical tube (202) is used to connect the hinge assembly (7). A connecting hinge sleeve (3) is hinged to the bottom of the hinge (201). The connecting hinge sleeve (3) is sleeved on the top of the rear ladder foot assembly (4) and / or the front ladder foot assembly (5). A lock seat (203) is fixedly connected to the bottom of the hinge seat (201). A pin (204) is inserted through the middle of the lock seat (203). One end of the pin (204) is inserted through the connection between the hinge seat (201) and the connecting hinge sleeve (3). A first spring (205) is provided on the outer wall of the pin (204) and inside the lock seat (203). A pull ring (206) is provided on the other end of the pin (204).

4. A foldable mobile platform according to claim 3, characterized in that, The rear ladder foot assembly (4) includes: Multiple rear leg tubes (401) are arranged symmetrically in the horizontal and longitudinal directions. Multiple rear ladder horizontal tubes (402) are arranged between the multiple rear leg tubes (401). The rear leg tubes (401) are sleeved on the bottom of the connecting hinge sleeve (3), and a first core-pulling rivet (404) is inserted and connected at the connection between the rear leg tubes (401) and the connecting hinge sleeve (3). A connecting plate (403) is provided at the bottom end of the rear foot tube (401). A brake caster (6) is provided at the bottom end of the connecting plate (403). The brake caster (6) and the connecting plate (403) are detachably connected by a mating nut (405).

5. A foldable mobile platform according to claim 3, characterized in that, The front ladder leg assembly (5) includes: Multiple front leg tubes (501) are arranged symmetrically in the horizontal and longitudinal directions. Multiple front ladder horizontal tubes (502) are arranged between the multiple front leg tubes (501). The top of the front leg tube (501) is sleeved with the connecting hinge sleeve (3). A second core-pulling rivet (503) is inserted and connected at the connection between the front leg tube (501) and the connecting hinge sleeve (3). Plastic foot covers (504) are fitted onto the bottom of the front foot tube (501).

6. A foldable mobile platform according to claim 3, characterized in that, The hinge assembly (7) includes: The first hinge (701) is connected to the top of the connecting vertical tube (202) and / or the lower guardrail (8); The second hinge (702) is connected to the bottom of the lower guardrail (8) and / or the upper guardrail (9); A locking insert (703) is inserted between the first hinge (701) and the second hinge (702). A bolt (705) is inserted at the connection between the locking insert (703), the first hinge (701) and the second hinge (702). A second spring (704) is sleeved on the shank of the bolt (705). A connecting nut (706) is threaded on the threaded end of the bolt (705).

7. A foldable mobile platform according to claim 6, characterized in that, The lower guardrail (8) includes: Multiple lower column vertical tubes (801) are arranged symmetrically at the horizontal center; Multiple lower horizontal tubes (802) are fixedly connected between multiple lower vertical tubes (801).

8. A foldable mobile platform according to claim 6, characterized in that, The upper guardrail (9) includes: Multiple upper railing vertical tubes (901) are arranged symmetrically at the horizontal center. Upper railing horizontal tubes (902) are fixedly connected between the multiple upper railing vertical tubes (901). A rotating sleeve (903) and a sleeve (904) are respectively rotatably fitted at the bottom and top of one of the upper railing vertical tubes (901). A first plastic cap (909) is fitted at the top of each of the multiple upper railing vertical tubes (901). A closed door structure is connected to the outer wall of the rotating sleeve (903) and the sleeve (904).

9. A foldable mobile platform according to claim 8, characterized in that, The closed door structure includes: Multiple door horizontal tubes (905), one end of each of the multiple door horizontal tubes (905) is fixedly connected to the outer wall of the rotating sleeve (903) and the sleeve (904), and the other end of each of the multiple door horizontal tubes (905) is fitted with a second plastic cap (910). Multiple door risers (906) are fixedly connected between multiple door cross tubes (905).

10. A foldable mobile platform according to claim 9, characterized in that, One of the door horizontal tubes (905) is detachably connected to a door hook plate (907) at one end away from the upper vertical tube (901), and a lock plate (908) is adjustablely connected to the top of the door hook plate (907).

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