CN111703755A

CN111703755A - Wing unfolding box and wing unfolding method thereof

Info

Publication number: CN111703755A
Application number: CN202010630042.9A
Authority: CN
Inventors: 郭祥元; 马文强
Original assignee: Qingdao Shuangpeng Logistics Equipment Co ltd
Current assignee: Qingdao Shuangpeng Logistics Equipment Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2020-09-25
Anticipated expiration: 2040-07-03
Also published as: CN111703755B

Abstract

The invention provides a wing-unfolding box and a wing-unfolding method thereof, wherein the wing-unfolding box comprises: the door comprises an underframe assembly, a front plate assembly and a door end assembly which are fixedly arranged at the front end and the rear end of the underframe assembly, and further comprises a left side plate assembly and a right side plate assembly which are arranged on the underframe assembly in an openable and closable manner, wherein the top plate assembly is hinged on the left side plate assembly or the right side plate assembly. Under the condition that the wing is not unfolded, the wing unfolding box is of a box body structure and can be used for transporting goods; the left side plate assembly, the right side plate assembly and the top plate assembly can be unfolded after wing unfolding to form a larger platform which can be used as a stage or a display stand, so that the use of vehicles and personnel is reduced, and the activity cost is reduced; particularly, the top plate assembly is arranged to be unfolded, so that the area of the platform behind the wing unfolding is increased.

Description

Wing unfolding box and wing unfolding method thereof

Technical Field

The invention belongs to the technical field of containers, and particularly relates to a wing unfolding box and a wing unfolding method of the wing unfolding box.

Background

A container is a common type of logistics transportation vehicle, and generally includes a bottom plate, two end walls respectively established at both ends of the bottom plate, two side walls respectively established at both sides of the bottom plate, and a top wall disposed above the end walls and the side walls opposite to the bottom plate. Typically, one of the two end walls is provided with an openable door, referred to as the door end; and the other is called the front end.

When performance and exhibition are carried out in the open air, stage or exhibition stand need be built temporarily to equipment or exhibition article transportation that will need come over, this just needs partly vehicle transportation stage or exhibition stand, and partly vehicle is used for transportation equipment or exhibition article, and the vehicle and the personnel that need are more, have led to the increase by a wide margin of activity cost.

Disclosure of Invention

The wing unfolding box can be used for transporting goods, can be used as a stage or a display stand after wing unfolding, is beneficial to reducing the use of vehicles and personnel, and reduces the activity cost.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

a wingbox, comprising: the bottom frame assembly, the front plate assembly and the door end assembly which are fixedly arranged at the front end and the rear end of the bottom frame assembly, the left side plate assembly and the right side plate assembly which are arranged on the bottom frame assembly in an openable and closable manner, and the top plate assembly is hinged to the left side plate assembly or the right side plate assembly.

Further, the hinge joint capable of being unfolded and closed of the top plate assembly is arranged on the left side plate assembly, and a first driving device for driving the top plate assembly to be unfolded in a rotating mode relative to the left side plate assembly is arranged between the top plate assembly and the left side plate assembly.

Furthermore, a plurality of detachable supporting legs are arranged on at least one of the left side plate assembly, the right side plate assembly and the top plate assembly.

Furthermore, the wing unfolding box further comprises a connecting piece detachably connected with the supporting legs, the connecting piece is arranged on the connecting seat, and the connecting seat is fixed on the wing unfolding box.

Further, the connecting seat has and holds the chamber and set up hold the through-hole on the chamber wall in chamber, the connecting piece has and is located hold the connector of intracavity, follow the connector extends the spliced pole that sets up and stretch out the through-hole, the spliced pole with the connection can be dismantled to the landing leg.

Furthermore, the through hole is a long hole, and the connecting piece is movably positioned on the connecting seat.

Furthermore, an L-shaped door end barrier strip is arranged on a door upper beam of the door end assembly, and the door end barrier strip is provided with a first fixing part fixed on the door upper beam and a first upper extending part extending upwards along the front end of the first fixing part.

Furthermore, the top plate assembly is located in front of the door end barrier strip, and a first buckling piece matched with the door end barrier strip in buckling mode is arranged on the top plate assembly.

Furthermore, the first buckling piece is provided with a first fixed part fixedly arranged with the top plate assembly, a backward extending part arranged along the first fixed part in a backward extending manner, and a first downward extending part bent and extended downwards along the rear end of the backward extending part; under the state that the wing is not unfolded, the first lower extension part is positioned behind the first upper extension part.

Further, a first sealing strip is arranged between the first buckling piece and the door end blocking strip.

Furthermore, an L-shaped front end barrier strip is arranged on the front upper cross beam of the front plate assembly, and the front end barrier strip is provided with a second fixing part fixed on the front upper cross beam and a second upper extending part extending upwards along the rear end of the second fixing part.

Furthermore, the top plate assembly is located behind the front end baffle bar, and a second buckling piece matched with and buckled with the front end baffle bar is arranged on the top plate assembly.

Furthermore, the second buckling piece is provided with a second fixed part fixedly arranged with the top plate assembly, a forward extending part forwardly extending along the second fixed part, and a second lower extending part downwardly bending and extending along the front end of the forward extending part; in the non-winged state of the wingbox, the second lower extension portion is located in front of the second upper extension portion.

Further, the roof assembly is articulated to be set up on the left side board assembly, the roof assembly is located the upside of right side board assembly.

Furthermore, a blocking edge part which extends downwards is arranged on the right end face of the top plate assembly, and the blocking edge part is positioned on the right side of the side upper right longitudinal beam of the right side plate assembly.

Furthermore, a first groove is formed in the left side of the bottom frame assembly, and the lower end of the left side plate assembly is located in the first groove; the height of the first groove is matched with the thickness of the left side plate assembly.

Furthermore, an L-shaped side plate barrier strip is arranged at the upper end of the left side plate assembly, and the top plate assembly is positioned on the right side of the side plate barrier strip; and an L-shaped top plate barrier strip positioned above the side plate barrier strip is arranged on the left side of the top plate assembly.

Based on the wing unfolding box, the wing unfolding method of the wing unfolding box is further provided, the safety of wing unfolding is improved, and excessive torque is avoided.

The wing unfolding method of the wing unfolding box comprises the following steps:

s10, starting first driving equipment for pushing the top plate assembly to rotate and unfold, and stopping after rotating the top plate assembly by an unfolding angle alpha;

s20, starting a second driving device for pushing the left side plate assembly to rotate and expand, and stopping after the left side plate assembly rotates to an expanded state;

and S30, starting the first driving device, and stopping after the top plate assembly rotates to the unfolding state.

Further, in step S20, the third driving device for pushing the right side panel assembly to rotate and unfold is activated while the left side panel assembly is unfolded, and the right side panel assembly is stopped after rotating to the unfolded state.

Further, after the step S20, there is a step S21 of mounting a leg on the left side panel assembly for supporting the left side panel assembly in the unfolded state.

Further, after the step S30, there is a step S31 of mounting legs, on which legs are mounted for supporting the roof panel assembly in the unfolded state.

Compared with the prior art, the wing-unfolding box provided by the invention has the following advantages: under the condition that the wing is not unfolded, the wing unfolding box is of a box body structure and can be used for transporting goods; the left side plate assembly, the right side plate assembly and the top plate assembly can be unfolded after wing unfolding to form a larger platform which can be used as a stage or a display stand, so that the use of vehicles and personnel is reduced, and the activity cost is reduced; particularly, the top plate assembly is arranged to be unfolded, so that the area of the platform behind the wing unfolding is increased.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the unfolded structure of fig. 1.

Fig. 3 is a schematic structural view of fig. 2 with panels of the left side plate assembly, the right side plate assembly and the top plate assembly removed.

Fig. 4 is an enlarged schematic view of the region a in fig. 3.

Fig. 5 is an enlarged schematic view of a region B in fig. 3.

Fig. 6 is an enlarged schematic view of the region C in fig. 3.

Fig. 7 is an enlarged schematic view of a region D in fig. 3.

Fig. 8 is an enlarged structural view of the connecting socket of fig. 7.

Fig. 9 is a schematic structural diagram of the connecting base, the supporting legs and the connecting piece after installation.

Fig. 10 is an enlarged schematic view of a part of the region in fig. 9.

FIG. 11 is a schematic longitudinal cross-sectional view of the wingbox of FIG. 3 in a closed state;

fig. 12 is an enlarged schematic view of region E in fig. 11.

Fig. 13 is an enlarged structural view of the region F in fig. 11.

FIG. 14 is a schematic cross-sectional view of the wingbox of FIG. 3 in a closed state;

fig. 15 is an enlarged schematic view of the region G in fig. 14.

Fig. 16 is an enlarged schematic view of the region H in fig. 14.

Fig. 17 is an enlarged schematic view of the region I in fig. 14.

Fig. 18 is an enlarged schematic view of a region J in fig. 14.

Fig. 19 is a first state structural view of a wing box.

Fig. 20 is a second state structural view of the wing box.

Fig. 21 is a third state structural view of the wing box.

Fig. 22 is a fourth state structural view of the wing box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

In the following description, a detailed construction will be set forth in order to provide a thorough understanding of the present invention. It is apparent that the practice of the invention is not limited to the specific details known to those skilled in the art. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.

In the description of the present invention, for convenience of description of relative positions, the forward direction of the wingbox during transportation is taken as "forward" and vice versa as "backward", and the terms "up", "down", "left" and "right" are all in the positional relationship of the wingbox without wings; the terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description and is not to be construed as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 22, a wing-spreading box is a square box body, which is composed of six parts and comprises: the door comprises an underframe assembly 10, a door end assembly 20, a front plate assembly 30, a left side plate assembly 40, a right side plate assembly 50 and a top plate assembly 60, wherein the front plate assembly 30 and the door end assembly 20 are fixedly arranged at the front end and the rear end of the underframe assembly 10, the left side plate assembly 40 and the right side plate assembly 50 are arranged at the left side and the right side of the underframe assembly 10 in an openable and closable manner, and the top plate assembly 60 is arranged on the left side plate assembly 40 or the right side plate assembly 50 in an openable and closable hinged manner. Under the condition that the wing is not unfolded, the wing unfolding box is of a box body structure and can be used for transporting goods; the left side plate assembly 40, the right side plate assembly 50 and the top plate assembly 60 can be unfolded after wing unfolding to form a larger platform which can be used as a stage or a display stand, so that the use of vehicles and personnel is reduced, and the activity cost is reduced; particularly, the top plate assembly 60 is arranged to be unfolded, which is beneficial to increasing the platform area after wing unfolding. The left side panel assembly 40, the right side panel assembly 50 and the top panel assembly 60 are all deployed after being rotated 90 degrees.

In this embodiment, the hinge for opening and closing the roof panel assembly 60 is provided on the left side panel assembly 40, and a first driving device 81 for driving the roof panel assembly 60 to be rotatably opened with respect to the left side panel assembly 40 is provided between the roof panel assembly 60 and the left side panel assembly 40.

In other embodiments, the top plate assembly 60 may be configured to hinge to the right side plate assembly 50.

As shown in fig. 3, in order to support the unfolded left side plate assembly 40, right side plate assembly 50 and roof plate assembly 60, a plurality of detachable legs 70 are provided, and the legs 70 are installed behind the wings of the wing box; when the wings are stowed, the legs 70 are removed.

As shown in fig. 7 to 10, in order to achieve the detachability of the leg 70, a connecting seat 71 is provided on the upper side of the left and right

side plate assemblies

40 and 50 and on the right side of the top plate assembly 60, a connecting member 72 is detachably provided with the leg 70, and the connecting member 72 is movably provided on the connecting seat 71. The connecting piece 72 is used for realizing the detachability of the supporting leg 70; through setting up connecting seat 71, firstly be favorable to increasing structural strength, realize the support to landing leg 70, secondly can realize the removal of connecting piece 72, be convenient for the installation and the dismantlement of connecting piece 72 and landing leg 70 to and in the unevenness of ground, can be in the position removal after landing leg 70 and the installation of connecting piece 72, the position of adjustment landing leg 70 realizes that landing leg 70 can provide the holding power.

The connecting base 71 has a containing cavity 711 and a through hole 712 formed on the wall of the containing cavity 711, the connecting base 72 has a connecting head 721 located in the containing cavity 711 and a connecting column 722 extending along the connecting head 721, the connecting column 722 extends out of the through hole 712, and the connecting column 722 is detachably connected with the supporting leg 70. The connection post 722 may be a threaded connection with the leg 70 or may be a snap fit. The through hole 712 is preferably a long hole, the connecting rod 722 can move in the through hole 712, and the connecting member 72 can be movably located on the connecting seat 71. After the connecting column 722 is assembled with the supporting leg 70, the distance between the supporting leg 70 and the upper end face of the connecting head 721 is greater than the distance between the supporting leg 70 and the upper cavity wall 7111 of the accommodating cavity 711, wherein the upper position is the position relationship after the supporting leg 70 is installed; that is, the connecting hooks 721 contact the upper chamber wall 7111, so that the legs 70 are supported on the upper chamber wall 7111 through the connecting hooks 721, which is beneficial to the support firmness and stability of the legs 70.

To achieve sealing of the left side panel assembly 40, the right side panel assembly 50 and the top panel assembly 60 in the closed condition, a sealing strip is provided between two adjacent sections. In the closed state, the roof panel assembly 60 is sealed in contact with the top of the front panel assembly 30, the door end assembly 20, the left side panel assembly 40, and the right side panel assembly 50 at the front, rear, left, and right edges of the roof panel assembly 60.

Referring to fig. 4 and 12, the roof panel assembly 60 is located between the front panel assembly 30 and the door end assembly 20 in the front-rear direction, and for the support of the front panel assembly 30 and the door end assembly 20 with respect to the roof panel assembly 60 and the sealing in the closed state, an L-shaped door end stop strip 22 is provided on the door upper cross beam 21 of the door end assembly 20, and the door end stop strip 22 has a first fixing portion 221 fixed to the door upper cross beam 21, and a first extending portion 222 extending upward along the front end of the first fixing portion 221. The roof assembly 60 is located in front of the door-end barrier strip 22, and a first fastening member 61 that is fastened to the door-end barrier strip 22 is provided on the roof assembly 60. A first sealing strip is provided between the first snap-fitting part 61 and the door end barrier 22. The fastening of the first fastening piece 61 and the door end barrier strip 22 is beneficial to ensuring the sealing performance between the first fastening piece and the door end barrier strip, and water drops dropping on the top plate assembly 60 and the door end assembly 20 cannot flow into the box body due to the stopping of the first upper extension part 222; a first sealing strip is arranged between the first buckling piece 61 and the door end barrier strip 22, so that the sealing property between the door end assembly 20 and the top plate assembly 60 is ensured; and secondly, the door end barrier strip 22 can support the first fastening part 61.

The first fastening member 61 has a first fixing portion 611 fixed to the top plate assembly 60, a backward extending portion 612 extending backward along the first fixing portion 611, and a first downward extending portion 613 extending downward along a rear end of the backward extending portion 612; in the non-winged state of the wing-spreading box, the first lower extension portion 613 is located behind the first upper extension portion 222.

As shown in fig. 5 and 13, the front upper cross member 31 of the front plate assembly 30 is provided with an L-shaped front end barrier 32, and the front end barrier 32 has a second fixing portion 321 fixed on the front upper cross member 31 and a second extending portion 322 extending upward along the rear end of the second fixing portion 321. The top plate assembly 60 is located behind the front end barrier strip 32, and a second fastening member 62 matched with the front end barrier strip 32 is provided on the top plate assembly 60. The second fastening member 62 has a second fixing portion 621 fixed to the top plate assembly 60, a forward extending portion 622 extending forward along the second fixing portion 621, and a second lower extending portion 623 extending downward and bending downward along the front end of the forward extending portion 622; in the non-winged state of the wing-spreading box, the second lower extension 623 is located forward of the second upper extension 322. The buckling of the second buckling piece 62 and the front end barrier strip 32 is beneficial to ensuring the sealing property between the two, and water drops dropping on the top plate assembly 60 and the front plate assembly 30 cannot flow into the interior of the box body due to the blocking of the second upper extension part 322; a second sealing strip is arranged between the second buckling piece 62 and the front end baffle strip 32, so that the sealing performance between the front plate assembly 30 and the top plate assembly 60 is ensured; and second, the front barrier 32 is beneficial to support the second fastener 62.

As shown in fig. 15, the top plate assembly 60 is hinged to the left side plate assembly 40, the top plate assembly 60 is located on the upper side of the right side plate assembly 50, and the right side plate assembly 50 supports the right end of the top plate assembly 60; a stopper 63 extending downward is provided on the right end surface of the roof panel assembly 60, and the stopper 63 is located on the right side of the upper right side member 51 of the right side panel assembly 50. The arrangement of the edge blocking part 63 is beneficial to increasing the sealing between the top plate assembly 60 and the right side plate assembly 50, so that water drops dropping on the top plate assembly 60 can flow downwards along the edge blocking part 63 and can be prevented from entering a gap between the top plate assembly 60 and the right side plate assembly 50; the edge blocking part 63 also has the function of blocking the right side plate assembly 50 from opening outwards, which is beneficial to ensuring the stability of the wing unfolding box under the condition of not unfolding the wing.

As shown in fig. 16, the upper end of the left side plate assembly 40 is provided with an L-shaped side plate barrier strip 41, and the top plate assembly 60 is located at the right side of the side plate barrier strip 41; on the left side of the roof assembly 60 is an L-shaped roof bar 64 located above the side panel bar 41. Be equipped with the sealing member between curb plate blend stop 41 and the L shape roof blend stop 64, cooperate through setting up curb plate blend stop 41 and L shape roof blend stop 64, be favorable to increasing the leakproofness, avoid the water droplet to enter the clearance between left side board assembly 40 and the roof assembly 60. The side plate barrier bar 41 is provided with a third fixing part 411 fixed on the left side plate assembly 40 and a third upward extending part 412 bent and extended upwards along the left side of the third fixing part 411; the top plate barrier 64 has a fourth fixing portion 641 fixed to the top plate assembly 60 and a fourth lower extending portion 642 bent and extending downward along the left side of the fourth fixing portion 641. In the non-winged state of the wingbox, the third extending portion 412 is located at the right side of the fourth extending portion 642, so as to ensure the sealing between the left side plate assembly 40 and the top plate assembly 60; in the wing-spreading state, the third upper extending portion 412 and the fourth lower extending portion 642 are flush, which is beneficial to avoiding the problem of too large gap between the left side plate assembly 40 and the top plate assembly 60.

As shown in fig. 18, in order to make the left side plate assembly 40 flush with the bottom frame assembly 10 after being unfolded and form a flat platform, a first groove 11 is formed on the left side of the bottom frame assembly 10, and the lower end of the left side plate assembly 40 is located in the first groove 11; the height of the first recess 11 matches the thickness of the left side panel assembly 40 so that the left side panel assembly 40 is flush with the chassis assembly 10 when deployed and facilitates weight bearing and support in the closed position.

As shown in fig. 17, in order to make the right side plate assembly 50 flush with the chassis assembly 10 after being unfolded and form a flat platform, a second groove 12 is formed on the right side of the chassis assembly 10, and the lower end of the right side plate assembly 50 is located in the second groove 12; the height of the second groove 12 matches the thickness of the right side panel assembly 50 so that the right side panel assembly 50 is flush with the undercarriage assembly 10 when deployed and facilitates weight bearing and support in the closed position.

In the case of non-wing spreading of the wing spreading box, the left side plate assembly 40, the right side plate assembly 50 and the top plate assembly 60 are in a closed state, the left side plate assembly 40, the right side plate assembly 50 and the top plate assembly 60 are arranged in a sealing manner with adjacent components, and the top plate assembly 60 is provided with a blocking edge part 63 blocked at the right side of the side upper right longitudinal beam 51 of the right side plate assembly 50, so that the right side plate assembly 50 cannot be firstly spread during spreading, and the top plate assembly 60 needs to be firstly spread; moreover, since the top plate assembly 60 is hinged to the left side plate assembly 40, if the top plate assembly 60 is unfolded to enable the top plate assembly 60 to be in a vertical state, and then the left side plate assembly 40 is rotated and unfolded, the moment for the hinge connection between the left side plate assembly 40 and the bottom frame assembly 10 is too large, which may cause the stress deformation or damage of the hinge connection structure between the left side plate assembly 40 and the bottom frame assembly 10; if the left side panel assembly 40 is opened first, interference between the roof panel assembly 60 and the door end assembly 20, and interference between the roof panel assembly 60 and the front panel assembly 30 during the unfolding process will be caused; secondly, when the top plate assembly 60 is in a closed state, four edges of the top plate assembly 60 are hermetically arranged with adjacent parts, the top plate assembly 60 rotates to open along with the left side plate assembly 40, and the top plate assembly 60 can move upwards only by a large moment; therefore, the wing unfolding method is beneficial to improving the safety of wing unfolding and avoiding overlarge torque.

Referring to fig. 19-22, a method for unfolding a wing of a wing-unfolding box includes the following steps:

s10, starting a first driving device 81 for pushing the top plate assembly 60 to rotate and unfold, and stopping the top plate assembly 60 after rotating and unfolding by an angle alpha.

First, the roof assembly 60 is rotated to the spread angle α, the right side of the roof assembly 60 is lifted, and the left side of the roof assembly 60 is rotated, so that the roof assembly 60 is tilted to rotate open, thereby facilitating the opening operation. For the selection of the size of the angle α, the angle α is selected as small as possible under the condition that the front end, the rear end and the right end of the top plate assembly 60 are separated from the adjacent components while avoiding interference during the rotation and deployment of the left side plate assembly 40; α ≧ 10 ° is provided, and α ≧ 10 ° is preferred.

S20, starting a second driving device 82 for pushing the left side plate assembly 40 to rotate and unfold, and stopping after rotating the left side plate assembly 40 to an unfolded state; meanwhile, the third driving device 83 for pushing the right side plate assembly 50 to rotate and unfold is started, and the right side plate assembly 50 is stopped after rotating to the unfolded state.

Then the left side plate assembly 40 is rotated and unfolded, and reaches an unfolded state after being rotated by 90 degrees, and the top plate assembly 60 rotates along with the left side plate assembly 40; at the same time that the left side panel assembly 40 is rotated open, the right side panel assembly 50 is also rotated open.

S21 step of mounting the leg 70, mounting the leg 70 on the left side plate assembly 40 for supporting the left side plate assembly 40 in the unfolded state.

Mounting the leg 70 to the left side panel assembly 40 when the left side panel assembly 40 reaches the deployed state; the deployment angle is an angle rotated from the closed state.

Or when the unfolding angle of the left side plate assembly 40 is 70-80 degrees, the second driving device 82 is stopped, the supporting leg 70 is installed on the left side plate assembly 40, and then the second driving device 82 is started, so that the left side plate assembly 40 reaches the unfolding state.

The right side plate assembly 50 reaches the unfolded state, or the third driving device 83 is stopped when the unfolding angle is set to 70 to 80 °, and the leg 70 is mounted on the right side plate assembly 50.

And S30, starting the first driving device 81, rotating the top plate assembly 60 to the unfolding state, and then stopping.

After the left side panel assembly 40 is unfolded, the top panel assembly 60 is rotated to the unfolded state to avoid an excessive moment.

S31 step of mounting the leg 70, mounting the leg 70 on the roof panel assembly 60 for supporting the roof panel assembly 70 in the unfolded state.

Mounting the legs 70 to the roof assembly 60 when the roof assembly 60 reaches the deployed state; the deployment angle is the angle of rotation from the closed state.

Or when the unfolding angle of the top plate assembly 60 is 70-80 degrees, the first driving device 81 is stopped, the supporting leg 70 is installed on the left side plate assembly 40, and then the first driving device 81 is started, so that the top plate assembly 60 reaches the unfolding state.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. A wingbox, comprising: the door comprises an underframe assembly, a front plate assembly and a door end assembly, wherein the front plate assembly and the door end assembly are fixedly arranged at the front end and the rear end of the underframe assembly.

2. The wingbox of claim 1, wherein a plurality of removable legs are provided on at least one of the left side panel assembly, the right side panel assembly, and the top panel assembly; the wing unfolding box is characterized by further comprising a connecting piece detachably connected with the supporting leg, the connecting piece is arranged on the connecting seat, and the connecting seat is fixed on the wing unfolding box.

3. The wing spreading box according to claim 2, wherein the connecting base has a containing cavity and a through hole formed in the wall of the containing cavity, the connecting piece has a connecting head located in the containing cavity, a connecting column extending along the connecting head and extending out of the through hole, and the connecting column is detachably connected with the supporting leg.

4. The wingbox of claim 1, wherein the door end assembly has an L-shaped door end stop strip on the door beam, and the door end stop strip has a first fixing portion fixed on the door beam and a first extending portion extending upward along a front end of the first fixing portion.

5. The wing-spreading box according to claim 4, wherein the roof assembly is located in front of the door-end barrier, and a first fastening member is provided on the roof assembly to fasten with the door-end barrier.

6. The wing-spreading box of claim 5, wherein the first fastening member has a first fixing portion fixed to the top plate assembly, a backward extending portion extending backward from the first fixing portion, and a first downward extending portion extending downward from a rear end of the backward extending portion; under the state that the wing is not unfolded, the first lower extension part is positioned behind the first upper extension part.

7. The wing-spreading box according to any one of claims 1 to 6, wherein a blocking edge portion extending downward is provided on a right end surface of the roof panel assembly, and the blocking edge portion is located on a right side of a side upper right longitudinal beam of the right side panel assembly.

8. The wing unfolding box according to any one of claims 1 to 6, wherein a first groove is formed in the left side of said underframe assembly, and the lower end of said left side plate assembly is located in said first groove; the height of the first groove is matched with the thickness of the left side plate assembly.

9. The wing-spreading box according to any one of claims 1 to 6, wherein the upper end of the left side plate assembly is provided with an L-shaped side plate barrier strip, and the top plate assembly is positioned at the right side of the side plate barrier strip; and an L-shaped top plate barrier strip positioned above the side plate barrier strip is arranged on the left side of the top plate assembly.

10. A method of wing-spreading of a wing-spreading box according to any one of claims 1 to 9, comprising the steps of:

s10, starting first driving equipment for pushing the top plate assembly to rotate and unfold, and stopping rotating the top plate assembly by an unfolding angle alpha;