CN213594470U

CN213594470U - Foldable boarding device

Info

Publication number: CN213594470U
Application number: CN202022226588.6U
Authority: CN
Inventors: 李子龙; 马忠俊; 李光; 黄浩
Original assignee: Shanghai Lingyao Ship Engineering Co ltd
Current assignee: Shanghai Lingyao Ship Engineering Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-07-02
Anticipated expiration: 2030-10-09

Abstract

The patent of the utility model discloses a collapsible device of riding on foot, include: a cabin body, one side of which is provided with an opening; the turnover mechanism comprises a turnover platform and turnover driving equipment; the rotating mechanism comprises a rotating platform and a rotating driving device for connecting the rotating platform and the overturning platform; the boarding mechanism comprises a boarding ladder and a pitching driving device for connecting the boarding ladder and the rotary platform, and the boarding ladder is hinged with the rotary platform; the pitching driving equipment is connected with the ascending and taking ladder and is used for driving the ascending and taking ladder to rotate so as to change an included angle between the ascending and taking ladder and a horizontal plane; the boarding ladder comprises a cabin body, a turnover mechanism, a rotating mechanism, a pitching driving device and a pitching driving device, wherein the cabin body is provided with a cabin body, the cabin body is provided with a cabin opening, the cabin opening is; after boarding, the boarding device can be folded into the cabin, and the occupied space is small.

Description

Foldable boarding device

Technical Field

The utility model relates to a hull accessory and the equipment field of boarding especially indicate a collapsible device of riding on foot.

Background

The traditional boarding modes comprise boarding by adopting equipment such as a springboard, a rope ladder and the like, are not suitable for complicated and variable offshore environments, are complicated to board and have certain dangers. Therefore, the boarding device with the boarding ladder can be adopted to improve the convenience and the safety of boarding. However, in the prior art, the boarding device with the boarding ladder is often complex in structure, large in occupied space, poor in compatibility and high in requirement on the height difference between the wharf and the water surface. Therefore, it is a technical problem that those skilled in the art expect to solve whether or not there is a boarding device that is suitable for various boarding environments, occupies a small space, and facilitates boarding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foldable boarding device, which has flexible and changeable boarding modes and is suitable for offshore boarding and land boarding in different environments; the boarding device can be folded into the cabin, and the occupied space is small after the boarding device is folded.

The utility model provides a technical scheme as follows:

a collapsible ride, comprising:

a cabin body, one side of which is provided with an opening;

the overturning mechanism comprises an overturning platform and overturning driving equipment, and the overturning platform is hinged with the bottom surface of the cabin body; the overturning driving device is connected with the overturning platform and used for driving the overturning platform to rotate towards the outer side of the opening;

the rotating mechanism comprises a rotating platform and a rotating driving device which is connected with the rotating platform and the overturning platform and is used for driving the rotating platform to rotate so as to change the angle between the rotating platform and the overturning platform;

the boarding mechanism comprises a boarding ladder and a pitching driving device for connecting the boarding ladder and the rotary platform, and the boarding ladder is hinged with the rotary platform; the pitching driving device is connected with the ascending and taking ladder and used for driving the ascending and taking ladder to rotate so as to change an included angle between the ascending and taking ladder and a horizontal plane.

The cabin body, the turnover mechanism, the rotating mechanism and the boarding mechanism are sequentially connected. The overturning driving device is used for overturning other follow-up devices to the outer side of the opening, and is used for overturning the devices to the inner side of the opening after the use is finished, so that the device is prevented from being integrally positioned outside the cabin, the occupied space of the device is saved, and the driving safety is influenced.

Through the rotating mechanism and the pitching driving device in the boarding mechanism, the device can meet the boarding requirements of all directions and all angles, and the compatibility of the device is improved.

Further preferably, the turnover driving device comprises two telescopic rods fixed on the conveying cabin, and the output ends of the two telescopic rods are connected with two opposite sides of the turnover platform.

A passage for personnel to pass through is formed between the two telescopic rods, and the personnel can enter the cabin after climbing the boarding ladder and sequentially passing through the rotating platform and the overturning platform. The boarding passage matched with the boarding ladder does not need to be additionally arranged in the cabin, so that the occupied space is saved.

Further preferably, the boarding ladder is formed by folding a plurality of folding sections which are sequentially connected;

further preferably, the boarding ladder is provided with railings at both sides in the length direction thereof, and the railings and the surface of the boarding ladder can be switched between a vertical state and a horizontal state.

The climbing ladder is foldable, when the climbing ladder is folded, the climbing ladder can be folded, and after the climbing ladder is folded, the overturning mechanism is utilized to transfer the device main body into the cabin through the opening, so that the size of the opening is reduced, the size of the whole cabin is further reduced, and the space occupied by the climbing ladder is reduced.

When the device is folded, the railing is adjusted to be in a horizontal state, namely the railing is tightly attached to the surface of the boarding ladder, so that the space occupied by the boarding ladder is favorably reduced. The device expansion type adjusts the handrail to be in a vertical state, so that a boarding person can hold the handrail for boarding, and the boarding safety is improved.

Further preferably, one end of the overturning platform is hinged with the bottom surface of the cabin body, and the other end of the overturning platform is connected with the rotating platform;

the other side of the rotating platform is connected with the ascending and taking ladder.

When the device is folded, the direction of the boarding ladder can be adjusted to be parallel to the opening through the rotating platform. When the overturning platform is overturned to be vertical to the bottom surface of the cabin body, the height size of the opening needs to be larger than the height of the overturning platform and the width size of the boarding ladder. The size of the opening is reduced, and the space occupied by the whole cabin is further reduced.

Further preferably, an openable door body is arranged at the opening; the top end of the door body is hinged with the upper wall of the opening.

The door body can cover the opening to avoid the corrosion and damage of each device caused by seawater entering the cabin body in the driving process. The door body is hinged at the top end of the opening, and the action of each mechanism cannot be influenced after the door body is opened. A limit switch matched with the door body can be arranged in the cabin body so as to realize the automatic opening and closing of the door body.

Further preferably, a limit switch matched with the overturning platform is arranged in the cabin body and used for controlling the rotating range of the overturning platform;

further preferably, the rotary drive apparatus has an encoder for controlling a rotation range of the rotary platform;

further preferably, the pitching driving device comprises an angle sensor, and the angle sensor is used for detecting an included angle between the boarding ladder and a horizontal plane.

In most use scenes, the overturning platform needs to be rotated to be almost horizontal by using the overturning driving equipment when the device is unfolded, and the overturning platform needs to be rotated to the inside of the cabin body by using the overturning driving equipment when the device is folded. Therefore, the unfolding and folding positions of the turnover platform can be controlled through the limit switch, and the turnover platform is convenient to control.

Through setting up encoder and angle sensor, can accurate control climb the orientation of taking advantage of the ladder and with the contained angle of horizontal plane.

The utility model provides a control method of a foldable boarding device, which is suitable for the foldable boarding device with the above characteristics, and comprises an unfolding method and a folding method;

the unfolding method comprises the following steps:

s1.1: the overturning driving equipment drives the overturning platform to overturn until the overturning platform is positioned outside the cabin body;

s1.2: the rotary platform is driven to rotate by the rotary driving device until the boarding ladder faces the boarding direction;

s1.3: the ascending and taking ladder is driven to rotate to form a certain included angle with the horizontal plane through the pitching driving equipment;

the retraction method comprises the following steps:

s2.1: driving the ascending and taking ladder to rotate through pitching driving equipment so as to adjust an included angle between the ascending and taking ladder and a horizontal plane;

s2.2: driving the rotary platform to rotate through a rotary driving device so as to adjust the direction of the boarding ladder;

s2.3: and the overturning platform is driven to overturn from the outside to the inside of the opening through the overturning driving device.

Further preferably, in S1.1, the turnover driving device drives the turnover platform to turn over until approaching to a limit switch;

and/or;

and S2.2, the overturning driving equipment drives the overturning platform to rotate until the overturning platform approaches to the other limit switch.

Service environment does not have the influence basically to the upset stroke of upset platform, does benefit to the accuracy and adjusts the upset platform to the level fast through limit switch control upset platform to and pack up the upset platform, improve operating efficiency.

Further preferably, the unfolding method further comprises s 1.2.1: unfolding the boarding ladder;

the method of stowing further comprises S2.2.1: and folding the boarding ladder.

The boarding ladder is foldable, is unfolded after being turned to the outer side of the opening, and is turned back to the inner side of the opening after being folded, so that the size of the opening is favorably reduced, and the size of the whole cabin body can be further reduced.

Further preferably, the unfolding method further comprises S1.0: rotating the door body to enable the overturning platform to rotate towards the outer side of the opening;

the retracting method further comprises S2.4, rotating the door body to cover the opening.

The door body is used as the first step of unfolding the device and the last step of folding the device, so that the influence on the stroke range of each mechanism can be avoided.

The technical effects of the utility model reside in that:

1) the boarding ladder comprises a cabin body, a turnover mechanism, a rotating mechanism, a pitching driving device and a pitching driving device, wherein the cabin body is provided with a cabin body, the cabin body is provided with a cabin opening, the cabin opening is; after boarding, the boarding device can be retracted into the cabin body, and the external space of the cabin is not occupied;

2) the boarding ladder is foldable, so that the occupied space is reduced; the boarding ladder, the rotary platform and the turnover platform form a passage for personnel to board, other boarding spaces matched with the boarding ladder do not need to be configured in the cabin, and the device is compact in structure and small in occupied space.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

fig. 1 is a diagram showing a use state of a boarding device according to an embodiment of the present invention;

fig. 2 is a front view of the boarding device according to an embodiment of the present invention when it is retracted;

fig. 3 is a right side view of the boarding device according to an embodiment of the present invention when it is retracted;

fig. 4 is a schematic view of the internal structure of the boarding device according to an embodiment of the present invention when it is retracted;

fig. 5 is a perspective view of a fully expanded boarding device according to an embodiment of the present invention;

fig. 6 is a front view of the boarding device according to an embodiment of the present invention after being turned;

FIG. 7 is a view taken along line A-A of FIG. 6;

FIG. 8 is a view taken in the direction B-B of FIG. 7 with the door closed;

FIG. 9 is a view taken in the direction B-B of FIG. 7 with the door body open;

fig. 10 is a schematic view of a vertical handrail structure according to an embodiment of the present invention;

fig. 11 is a schematic view of a horizontal handrail structure according to an embodiment of the present invention;

FIG. 12 illustrates a method of deploying an embodiment of the present invention;

fig. 13 illustrates a packing method according to an embodiment of the present invention.

The reference numbers illustrate:

100-a cabin body; 110-an opening; 120-a locking block; 210-a flipping platform; 220-a flip drive device; 221-a telescopic rod; 310-a rotating platform; 320-a rotation driving device; 410-boarding the ladder; 411-fold section; 412-a rail; 420-pitch drive; 500-limit switch; 600-a door body; 610-connecting rod; 620-lever; 630-an articulation; 640-a lock; 650-detecting element.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

A foldable boarding device, as shown in fig. 1-9, comprises a cabin 100, a turnover mechanism, a rotating mechanism and a boarding mechanism, wherein the turnover mechanism, the rotating mechanism and the boarding mechanism are positioned in the cabin 100 in a folded state and are sequentially connected.

The stowed state of the device is shown in fig. 4 and can be understood with reference to fig. 4. The flipping mechanism includes a flipping platform 210 and a flipping driving device 220. As can be seen from comparing fig. 4 and 7, the flipping platform 210 is hinged to the bottom of the cabin 100, and the flipping driving device 220 can drive the flipping platform 210 to rotate, so that the subsequent rotating mechanism and boarding mechanism rotate from the inside of the opening 110 to the outside of the opening 110. When the boarding device is unfolded, the overturning driving device 220 can drive the overturning platform 210 to form an included angle of 0-90 degrees with the bottom of the cabin 100.

As can be seen with reference to fig. 5 and 6, the rotation mechanism includes a rotation platform 310, and a rotation driving device 320 connecting the rotation platform 310 and the turn-over platform 210. The rotation driving device 320 may drive the rotation platform 310 to rotate to adjust the orientation of the boarding ladder 410 mechanism connected to the rotation platform 310, so that the boarding person can conveniently board from a proper direction.

As can be seen from fig. 5 and 6, the boarding mechanism includes a boarding ladder 410 and a pitch driving device 420, and the pitch driving device 420 can adjust an angle between the boarding ladder 410 and the rotating platform 310 to adapt to a height difference between the boarding devices for the boarding on the sea and the shore.

So far, the person skilled in the art can understand that the turnover mechanism, the rotating mechanism and the boarding mechanism are actually the key utility model points of the patent. The boarding device can be suitable for different boarding scenes through the adjusting functions of the rotating mechanism and the boarding mechanism; the boarding personnel get into the cabin body 100 after boarding from the boarding ladder 410 and get into the cabin body 100 through the cabin body 100, the rotating mechanism and the boarding mechanism which are packed up can be collected into the cabin body 100 through the turnover mechanism, the space of the cabin body 100 is fully utilized, and the occupied space is small.

In this particular manner, as shown in fig. 4, 5 and 7, the upper surface of the flipping platform 210 and the upper surface of the rotating platform 310 are parallel. In the unfolded state, the tilting platform 210 and the rotating platform 310 may be disposed parallel to the horizontal plane, so that the user can conveniently walk into the cabin 100 through the tilting platform 210 and the rotating platform 310 after boarding from the boarding ladder 410, which is relatively safe. As shown in fig. 3-5, the rotation driving device 320 is a rotation support, and the upper surface of the rotation support is connected to the lower surface of the turn-over platform 210. One side of the rotating platform 310 is set to be an arc-shaped structure, one side of the overturning platform 210 close to the rotating platform 310 is provided with an arc-shaped groove matched with the rotating platform 310, and the edge of the rotating platform 310 is tightly attached to the arc-shaped groove. The rotary platform 310 is tightly attached to the overturning platform 210, so that the personnel can be prevented from stepping empty in the boarding process, and the safety is improved. The rotary platform 310 is arranged in an arc structure, has a large moving range, and can adjust the orientation of the boarding ladder 410 within the range of 0-180 degrees.

As shown in fig. 3-6, the turnover driving device 220 is two telescopic rods 221, and the telescopic rods 221 are driven by oil pressure. Two extension rods 221 are connected to opposite sides of the flipping platform 210, respectively. The boarding personnel can enter the interior of the cabin 100 through the passage formed between the two telescopic rods 221, so that the boarding personnel can conveniently pass through the passage. The pitch driving device 420 is two hydraulic rods, one end of each hydraulic rod is hinged to the rotating platform 310, and the output end of each hydraulic rod is connected to the bottom of the ascending ladder 410. To adjust the angle between the boarding ladder 410 and the horizontal plane. In actual production, the tilting driving device 220 and the pitching driving device 420 may be electrically driven, and the number and connection manner of the telescopic rods 221 may be adjusted as required. Other conventional driving structures can be adopted for the roll driving device 220, the rotation driving device 320 and the pitch driving device 420, and the modified solutions are all within the scope of this patent.

In a preferred embodiment, as shown in fig. 7, one end of the flipping platform 210 is hinged to the bottom surface of the cabin 100 with the hinge axis parallel to the opening 110, and the other end of the flipping platform 210 is connected to the rotating platform 310. When the device is retracted, the boarding ladder 410 is firstly adjusted to be parallel to the opening 110, and then the turning platform 210 is rotated to be completely retracted, in the process, the area swept by the turning platform 210, the rotating platform 310 and the boarding ladder 410 is close to a sector column, the radius of the sector column is the distance from the hinged shaft of the turning platform 210 to the outer edges of the turning platform 210 and the boarding ladder 410, and is slightly wider than the width of the boarding ladder 410, so that the height dimension of the opening 110 only needs to be slightly larger than the width dimension of the boarding ladder 410.

Meanwhile, the boarding ladder 410 is foldable and has two connected folding sections 411. In this embodiment, the boarding ladder 410 can be folded in the extending direction, and the size of the boarding ladder 410 in the length direction can be reduced after folding, and the length of the opening 110 is only required to be larger than the sum of the length of the folding buckle of the boarding ladder 410 and the length of the rotating platform 310, which is beneficial to reducing the size of the opening 110, and further reducing the volume of the cabin 100 and the occupied space of the whole boarding device.

In a preferred embodiment, as shown in fig. 7-9, the cabin 100 is provided with a door body 600 at the opening 110, the top of the door body 600 is hinged with the top wall of the opening 110, and a hydraulic rod for opening the door body 600 is provided in the cabin 100. As shown in fig. 8 to 9, the door body 600 has a locking structure, and includes four links 610 disposed inside the door body 600 and connected in sequence to form a square shape, and the joints of the four links 610 are connected by a hinge 630. The hinge 630 includes two ends perpendicular to each other and having the same length, the center of the hinge 630 is hinged to the door body 600, and the two ends are respectively hinged to the ends of the adjacent connecting rods 610. The inner wall of the cabin body 100 is provided with a plurality of locking pieces 120 around the opening 110, the inner side of the door body 600 is further provided with a plurality of locking pieces 640 arranged along the connecting rod 610, the middle part of each locking piece 640 is hinged with the door body 600, one end of each locking piece 640 close to the connecting rod 610 is hinged with the connecting rod 610, and the other end of each locking piece 640 is matched with the locking piece 120. When a force is applied to one of the links 610 in the extending direction thereof, the four links 610 simultaneously move in the extending direction thereof by the hinge 630, so that the locking member 640 rotates. Referring to fig. 8, when the connecting rod 610 is pushed counterclockwise, the locking member 640 rotates clockwise, and the end of the locking piece 120 facing the locking piece 120 rotates to tightly abut against the locking piece 120, so as to form a limiting effect, thereby fixing the door to the cabin 100; the connecting rod 610 is pushed clockwise, and the locking piece 640 is separated from the door body 600 to be opened towards one end of the locking piece 120 and the locking piece 120. The arrangement of the openable door body 600 can play a certain role in protecting the cabin body 100, prevent the equipment from being rusted due to the fact that sea waves are thrown into the cabin body 100 in the driving process, and is beneficial to prolonging the service life of the device.

The door body 600 is hinged with an operating rod 620, the operating rod 620 is provided with a kidney-shaped hole, and the connecting rod 610 close to the operating rod 620 is provided with a cylindrical part extending into the kidney-shaped hole. The operator pushes the operating rod 620, the connecting rod 610 can be pushed by the abutting action between the kidney-shaped hole and the cylindrical part, and meanwhile, the required acting force is reduced by utilizing the lever principle, so that the operation is convenient.

In a preferred embodiment, as shown in fig. 7, two limit switches 500 are disposed in the cabin 100 near the flipping platform 210 for controlling the travel of the flipping platform 210 during the retraction and the opening processes. In most use scenarios, when the deck is deployed, the flipping platform 210 needs to rotate to be parallel to the bottom surface of the cabin 100, and the bottom surface of the cabin 100 is used as a reference to keep the flipping platform 210 horizontal to the horizontal plane, so that the rotation stroke of the flipping platform 210 is fixed, and the limit switch 500 can be used to automatically control the motion of the flipping platform 210, thereby simplifying the operation of the user.

As shown in fig. 7-9, the bottom of the cabin 100 is provided with a limit switch 500 adapted to the door 600 to output a signal when the door 600 is fully closed. The top of the cabin 100 near the opening 110 is provided with a limit switch 500 adapted to the door body 600 to output a signal when the door body 600 is fully opened. In most usage scenarios, when the device is folded, the door body 600 is in a closed state, and when the device is unfolded, the door body 600 is in a fully opened state, so as to avoid affecting the actions of each mechanism. Therefore, the rotation stroke of the door body 600 is relatively fixed, and the limit switch 500 is adopted to control the opening and closing range of the door body 600, which is beneficial to simplifying the operation of a user. Referring to fig. 7 to 9, the door body 600 is hinged to the cabin 100 by a plurality of hinge structures, wherein a plate-shaped detection member 650 is connected to the hinge structures, the detection member 650 is approximately perpendicular to the door body 600, and the detection member 650 rotates along with the hinge structures. When the door body 600 is closed, as shown in fig. 8, the detection member 650 is perpendicular to the opening 110, and the limit switch 500 located at the bottom of the cabin 100 detects the door body 600; when the door body 600 is unfolded, as shown in fig. 9, the detection member 650 is parallel to the opening 110, and the limit switch 500 can detect the detection member 650.

In addition, an encoder is provided in the rotation driving device 320 to remotely and precisely control the orientation of the boarding ladder 410, and an angle sensor may be provided in the pitch driving device 420 to detect the angle between the boarding ladder 410 and the horizontal plane, so that a user can precisely control the pitch degree of the boarding ladder 410. The hydraulic equipment related to the above is provided with a displacement sensor so that a user can remotely and accurately control the state of the boarding device. The hydraulic power source adopts a plurality of sets of motor sets which are arranged in a redundant mode, when one set of motor set breaks down, the other set of motor set can supply power immediately, and the reliability of the device is improved.

In a preferred embodiment, as shown in fig. 10 to 11, a rail 412 is provided on a folding section 411 of the boarding ladder 410, and the rail 412 can be switched between a vertical state and a horizontal state. In the vertical state, as shown in fig. 10, the balustrade 412 is erected on both sides of the boarding ladder 410, so that the user can conveniently hold the balustrade, and the boarding safety is improved; in the horizontal state, as shown in the figure, the handrail 412 is laid on the surface of the boarding ladder 410, so that the boarding ladder 410 can be conveniently folded, the overall size of the boarding device can be reduced, and the occupied space of the boarding device can be saved. The balustrade 412 is hinged to the edge of the boarding ladder 410, and a clamping groove, a pin shaft and other structures can be arranged on the balustrade 412 to fix the balustrade 412 in a vertical state. As shown in fig. 7, the turning platform 210 and the rotating platform 310 may be provided with a screw hole, a through hole, and other functional connection positions, so as to install a rail 412, thereby further improving the boarding safety of the boarding device.

The utility model provides a control method of a foldable boarding device, which comprises an unfolding method and a folding method,

the deployment method, as shown in fig. 12, includes:

s1.0: rotating the door body 600 so that the turnover platform 210 can rotate towards the outside of the opening 110;

s1.1: the overturning platform 210 is driven to overturn by the overturning driving device 220 until the overturning platform 210 is positioned outside the cabin 100 and contacts a limit switch 500;

s1.2: the rotating platform 310 is driven to rotate by the rotating driving device 320 until the boarding ladder 410 faces the boarding direction;

s1.2.1: unfolding the boarding ladder 410;

s1.3: the ascending and descending ladder 410 is driven to rotate to form a certain included angle with the horizontal plane through the pitching driving device 420.

The stowing method is shown in fig. 13 and includes:

s2.1: the ascending and taking ladder 410 is driven to rotate through the pitching driving device 420, so that the included angle between the ascending and taking ladder 410 and the horizontal plane is adjusted;

s2.2: the rotating platform 310 is driven to rotate by the rotating driving device 320 so as to adjust the orientation of the boarding ladder 410;

s2.2.1: a folding boarding ladder 410;

s2.3: the overturning platform 210 is driven by the overturning driving device 220 to overturn from the outside to the inside of the opening 110;

and S2.4, rotating the door body 600 to cover the opening 110.

In the specific operation, the unfolding step specifically includes controlling the operating lever 620 to unlock the door body 600, and opening the door body 600 through the hydraulic lever, so that the door body 600 is gradually opened to be close to the contact limit switch 500. The overturning driving device 220 is controlled to overturn the overturning platform 210 to the outside of the opening 110 to be kept horizontal, the rotating driving device 320 is controlled to rotate the rotating platform 310 to 90 degrees, the rotating angle is accurately controlled through the encoder in the process, the folded boarding ladder 410 is unfolded, and the handrail is righted. The pitching driving device 420 is controlled to adjust the included angle between the boarding ladder 410 and the horizontal plane, the included angle between the boarding ladder 410 and the horizontal plane is accurately controlled through the angle sensor, finally, the rotating driving device 320 is controlled to rotate the rotating platform 310 until the boarding ladder 410 faces the boarding direction, and the rotating angle is accurately controlled through the encoder in the process.

The rotating platform 310 is rotated to 90 degrees, that is, the ascending and taking ladder 410 is vertical to the opening 110, so that the ascending and taking ladder 410 can be prevented from colliding the door body 600. If the boarding device is not provided with the door body 600, the boarding ladder 410 may be adjusted to the boarding direction directly by the rotation driving device 320 after the operation of the inversion driving device 220 is completed, and the boarding ladder 410 may be unfolded in this state.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A collapsible device of riding on foot which characterized in that: the method comprises the following steps:

a cabin body, one side of which is provided with an opening;

2. The collapsible boarding device of claim 1, wherein:

the overturning driving device comprises two telescopic rods fixed on the conveying cabin body, and the output ends of the two telescopic rods are connected with the two opposite sides of the overturning platform.

3. The collapsible boarding device of claim 1, wherein:

the boarding ladder is formed by folding a plurality of folding sections which are sequentially connected.

4. The collapsible boarding device of claim 1, wherein:

the two sides of the length direction of the ascending and taking ladder are provided with the railings, and the railings and the surface of the ascending and taking ladder can be switched between a vertical state and a horizontal state.

5. The collapsible boarding device of claim 1, wherein:

one end of the overturning platform is hinged with the bottom surface of the cabin body, and the other end of the overturning platform is connected with the rotating platform;

6. The collapsible boarding device of claim 1, wherein:

an openable door body is arranged at the opening; the top end of the door body is hinged with the upper wall of the opening.

7. The collapsible boarding device of claim 1, wherein:

and the cabin body is internally provided with a limit switch matched with the overturning platform and used for controlling the rotating range of the overturning platform.

8. The collapsible boarding device of claim 1, wherein:

the rotary drive device has an encoder for controlling a rotation range of the rotary platform.

9. The collapsible boarding device of claim 1, wherein:

the pitching driving device comprises an angle sensor, and the angle sensor is used for detecting the included angle between the boarding ladder and the horizontal plane.