Glass fiber reinforced plastic cylinder type sealed missile packaging box

Abstract

The utility model discloses a glass fiber reinforced plastic cylinder type sealed missile packaging box which is provided with a first connecting mechanism, a second connecting structure and a third connecting structure, two missile packaging boxes can be conveniently placed side by side in the horizontal direction through cooperation of a first side protruding block and a first side groove and cooperation of a second side protruding block and a second side groove, and the packaging box is convenient to use. Furthermore, the two missile packaging boxes are stacked in the vertical direction through the top grooves and the bottom protruding blocks, the multiple packaging boxes are arranged side by side and stacked finally, unified carrying of the multiple missile packaging boxes is facilitated, the carrying efficiency is improved, and the problem that in the prior art, deviation and shaking are still likely to occur between the stacked missile packaging boxes is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of missile packaging boxes, in particular to a glass fiber reinforced plastic cylinder-type sealed missile packaging box. Background Art

[0002] After missiles are produced, they need to be transported in specific packaging boxes. Different missile packaging boxes need to fulfill different functions, such as requiring sealing to resist drop impact, requiring nitrogen filling protection, and requiring missile parameter testing without opening the box. Existing missile packaging boxes include aluminum boxes, rotational molding boxes, molded and hand-laid fiberglass boxes, etc. Due to different processes and materials, the sealing effect varies, making it difficult to meet the nitrogen filling requirements. However, fiberglass cylindrical packaging boxes have a small sealing area and high strength, which makes it easy to meet the sealing requirements. Therefore, fiberglass cylindrical packaging boxes are more widely used in the missile packaging field.

[0003] However, due to the limitation of its cylindrical structure, the FRP cylindrical packaging box has a FRP fixing frame but no relevant connecting mechanism, which makes it inconvenient to stack or carry, and the transportation efficiency is low. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a glass fiber reinforced plastic cylinder-type sealed missile packaging box.

[0005] The utility model provides a glass fiber reinforced plastic cylinder-type sealed missile packaging box, comprising a main cylinder, the main cylinder having a first axis, the first axis extending in a first direction, the main cylinder having two ends along the first direction provided with a setting frame assembly, the setting frame assembly comprising:

[0006] An EPP foaming setting frame is sleeved outside the main cylinder;

[0007] The first connecting structure includes a first side groove provided at one end of the EPP foaming adjustment frame along the second direction, and a first side boss provided at the other end thereof, wherein the inner wall of the first side groove fits in with the outer wall of the first side boss, and the first direction and the second direction are perpendicular to each other;

[0008] The second connecting structure includes a second side boss provided on the first side groove near the inner wall of the EPP foaming setting frame, and a second side groove provided on the end of the first side boss away from the EPP foaming setting frame, wherein the inner wall of the second side groove is engaged with the outer wall of the second side boss;

[0009] The third connection structure includes a top groove provided at the top end of the EPP foaming adjustment frame, and a bottom boss provided at the bottom end of the EPP foaming adjustment frame, wherein the outer wall of the bottom boss fits with the inner wall of the top groove.

[0010] According to the technical solution provided in the embodiment of the present application, one end of the main cylinder is sealedly connected to the second end cover, and the other end is provided with an end cover assembly, the end cover assembly includes a first end cover provided at the end of the main cylinder, the edge of the first end cover extends away from the main cylinder to form a fixed edge, and the circular side surface of the main cylinder away from the second end cover is evenly provided with a number of locks, and the locks drive the first end cover to seal and abut against the main cylinder by snapping the fixed edge.

[0011] According to the technical solution provided in the embodiment of the present application, an internal foam component is provided inside the main cylinder, and the internal foam component includes a first semicircular foam column and a second semicircular foam column arranged along a third direction. The outer wall of the combination of the first semicircular foam column and the second semicircular foam column fits with the inner wall of the main cylinder, and both are provided with missile placement grooves on the end faces close to each other. The missile placement grooves are used for placing missiles, and the first direction, the second direction and the third direction are perpendicular to each other.

[0012] According to the technical solution provided in the embodiment of the present application, a positioning groove is provided at the top of the first semicircular foaming column, and a positioning insert is provided at the top of the inner wall of the main cylinder, and the outer edge of the cross-section of the positioning insert is matched with the inner edge of the cross-section of the positioning groove.

[0013] According to the technical solution provided in the embodiment of the present application, the two adjusting frame assemblies are symmetrically arranged with respect to the center of the main cylinder, and a support connected to the main cylinder is provided at the ends of the two adjusting frame assemblies close to each other.

[0014] According to the technical solution provided in the embodiment of the present application, a storage assembly is provided at the bottom of one end of the main cylinder body, and the storage assembly includes a data cylinder provided at the bottom end of the main cylinder body, and external threaded cylinders are provided through both ends of the data cylinder, and the external threaded cylinder is connected to an internal threaded cover through a thread away from the end of the data cylinder.

[0015] According to the technical solution provided in the embodiment of the present application, the end cover assembly also includes a grounding wire pile and a test socket arranged on the first end cover, one end of the grounding wire pile can be connected to the missile grounding connector, and the other end can be connected to the ground, one end of the test socket can be connected to the missile test interface, and the other end can be connected to the test equipment.

[0016] According to the technical solution provided in the embodiment of the present application, a humidity indicator is provided on the first end cover, and a desiccant bag is provided inside the main cylinder near the end of the first end cover.

[0017] According to the technical solution provided in the embodiment of the present application, a balancing valve is also provided on the first end cover, and the humidity indicator, the balancing valve, the grounding wire pile and the test socket are all installed on the first end cover using a nut-fastened wall-penetrating sealing adapter.

[0018] According to the technical solution provided in the embodiment of the present application, each of the EPP foaming adjusting frames is provided with two top grooves, and the top of each of the EPP foaming adjusting frames is provided with an arc groove at a position between the two top grooves, and the two arc grooves are used to support the missile.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The utility model facilitates the parallel placement of two missile packaging boxes in the horizontal direction by means of the cooperation between the first side protrusion and the first side groove, as well as the cooperation between the second side protrusion and the second side groove. Furthermore, the two missile packaging boxes are stacked in the vertical direction by means of the top groove and the bottom protrusion, thereby finally achieving the parallel placement and stacking of multiple packaging boxes, facilitating the unified transportation of multiple missile packaging boxes, improving the transportation efficiency, and solving the problem of easy deviation and shaking between the stacked missile packaging boxes in the prior art.

[0021] Secondly, a storage component is also provided, which separates the external threaded cylinder and the internal threaded cover through threaded cooperation, so that users can store data in the storage tank conveniently; in addition, a grounding cable and a test socket are provided on the first end cover. After the missile is placed in, the test socket and the grounding wire pile are connected first. During subsequent tests, only the test equipment needs to be used to connect the test socket and the grounding wire pile. There is no need to take out the missile, which reduces the test time and avoids the damage of the missile caused by repeated testing and removal of the missile; in addition, a desiccant bag and a humidity indicator are provided to facilitate the understanding of the humidity conditions inside the main cylinder at all times and reduce the damage of the missile caused by excessive humidity.

[0022] It should be understood that the contents described in the summary of the utility model are not intended to limit the key or important features of the embodiments of the utility model, nor are they intended to limit the scope of the utility model. Other features of the utility model will become easier to understand through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments made with reference to the following drawings:

[0024] Figure 1 A schematic structural diagram of a fiberglass cylindrical sealed missile packaging box provided in an embodiment of the present application;

[0025] Figure 2 A schematic cross-sectional view of a fiberglass cylindrical sealed missile packaging box provided in an embodiment of the present application;

[0026] Figure 3 A schematic cross-sectional view of an EPP foaming setting frame in a fiberglass cylindrical sealed missile packaging box provided in an embodiment of the present application;

[0027] Figure 4 This is a schematic diagram of the installation structure of a data cartridge in a fiberglass-cylinder-type sealed missile packaging box provided in an embodiment of the present application.

[0028] Numbers in the figure:

[0029] 1. Main cylinder; 11. Positioning insert;

[0030] 2. End cap assembly; 21. First end cap; 22. Fixed edge; 23. Lock; 24. Humidity indicator; 25. Balancing valve; 26. Grounding wire stake; 27. Test socket; 28. Rubber dust cover; 29. ​​Carrying handle;

[0031] 3. Second end cover;

[0032] 4. Adjustment frame assembly; 41. EPP foaming adjustment frame; 42. First side groove; 43. Second side boss; 44. First side boss; 45. Second side groove; 46. Arc groove; 47. Top groove; 48. Bottom boss; 49. Reserved hole;

[0033] 5. Storage component; 51. Data cartridge; 52. Externally threaded cartridge; 53. Internally threaded cap;

[0034] 6. Support platform;

[0035] 7. Internal foaming component; 71. First semicircular foaming column; 72. Second semicircular foaming column; 73. Positioning groove; 74. Missile placement groove; 75. Avoidance groove;

[0036] 8. Desiccant bag. DETAILED DESCRIPTION

[0037] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are intended only to illustrate the relevant utility model and are not intended to limit the scope of the utility model. It should also be noted that, for ease of description, only the portions relevant to the utility model are shown in the accompanying drawings.

[0038] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0039] Please refer to Figures 1 to 4 The embodiment of the present utility model provides a glass fiber reinforced plastic cylinder sealed missile packaging box, comprising a main cylinder 1, the main cylinder 1 having a first axis, the first axis extending in a first direction, the main cylinder 1 having two ends along the first direction provided with a setting frame assembly 4, the setting frame assembly 4 comprising:

[0040] The EPP foaming setting frame 41 is sleeved outside the main cylinder 1; wherein EPP refers to polypropylene plastic foam material, and its density is lower than that of fiberglass reinforced plastic. Therefore, the weight of the EPP foaming setting frame 41 is lower than the setting frame made of fiberglass reinforced plastic in the prior art;

[0041] The first connection structure includes a first side groove 42 provided at one end of the EPP foaming setting frame 41 along the second direction, and a first side boss 44 at the other end. The inner wall of the first side groove 42 fits with the outer wall of the first side boss 44. The first direction and the second direction are perpendicular to each other. Figure 1 The left and right directions in the Figure 1 the front-back direction in the

[0042] The second connection structure includes a second side boss 43 provided on the first side groove 42 near the inner wall of the EPP foaming adjustment frame 41, and a second side groove 45 provided on the end of the first side boss 44 away from the EPP foaming adjustment frame 41. The inner wall of the second side groove 45 fits with the outer wall of the second side boss 43.

[0043] The third connection structure includes a top groove 47 provided at the top end of the EPP foaming adjustment frame 41 and a bottom boss 48 provided at the bottom end of the EPP foaming adjustment frame 41 . The outer wall of the bottom boss 48 fits with the inner wall of the top groove 47 .

[0044] like Figure 1 and Figure 4 As shown, when two missile packaging boxes are placed side by side, the first side boss 44 is inserted into the first side groove 42, and the second side boss 43 is inserted into the second side groove 45, ensuring that the two missile packaging boxes will not deflect or shake after being placed side by side. Furthermore, when stacking is required, the bottom boss 48 is inserted into the top groove 47 of another missile packaging box, ultimately ensuring that when stacked side by side, each missile packaging box remains relatively stable, and will not offset or shake with each other, making it more stable during transportation. In addition, the four corners of the EPP foaming setting frame 41 are provided with through-holes 49, which can be used for bundling or lifting. When the product is long, a glass fiber reinforced plastic pipe can be inserted to increase the overall rigidity and protection capability.

[0045] In some embodiments, one end of the main cylinder 1 is sealed with a second end cap 3, and the other end is provided with an end cap assembly 2. The end cap assembly 2 includes a first end cap 21 provided at the end of the main cylinder 1. The edge of the first end cap 21 extends away from the main cylinder 1 to form a fixed edge 22. A plurality of latches 23 are evenly provided on the circular side surface of the main cylinder 1 away from the second end cap 3. The latches 23 drive the first end cap 21 to seal against the main cylinder 1 by snapping on the fixed edge 22.

[0046] like Figure 1 and Figure 2As shown, the first end cover 21 is locked by evenly arranging the clamping clamp fixing edge 22 through multiple latches 23. After loosening the latch 23, the clamping clamp fixing edge 22 and the first end cover 21 can be removed. Optionally, a sealing gasket is provided between the annular end face of the main cylinder body 1 and the corresponding end face of the first end cover 21. After being locked by the latch 23, a sealing effect is achieved. Furthermore, the first end cover 21 is provided with an annular groove near the main cylinder body 1 to facilitate the placement of the sealing gasket.

[0047] In some embodiments, an internal foaming component 7 is provided inside the main cylinder 1. The internal foaming component 7 includes a first semicircular foaming column 71 and a second semicircular foaming column 72 arranged along the third direction. The outer wall of the first semicircular foaming column 71 and the second semicircular foaming column 72 are combined to fit with the inner wall of the main cylinder 1. The two are provided with a missile placement groove 74 on the end surface close to each other. The missile placement groove 74 is used to place the missile. The first direction, the second direction and the third direction are perpendicular to each other.

[0048] like Figure 2 and Figure 4 As shown, the third direction is Figure 1 In the up and down directions of the main cylinder 1, the missile is wrapped by the first semicircular foam column 71 and the second semicircular foam column 72 to protect and fix it, so as to prevent the missile from hitting the inner wall of the main cylinder 1. In addition, the top surface of the second semicircular foam column 72 is provided with an ignition wire storage groove for storing the ignition wire. Furthermore, the circular outer surfaces of the first semicircular foam column 71 and the second semicircular foam column 72 are provided with a plurality of annular grooves, and the annular grooves are wrapped with cable ties to fix the first semicircular foam column 71 and the second semicircular foam column 72 to prevent the two from separating and ensure that they are easier to be inserted into the main cylinder 1 after assembly.

[0049] In some embodiments, a positioning groove 73 is provided at the top of the first semicircular foaming column 71, and a positioning insert 11 is provided at the top of the inner wall of the main cylinder 1, and the outer edge of the cross section of the positioning insert 11 is aligned with the inner edge of the cross section of the positioning groove 73;

[0050] like Figure 2 and Figure 4 As shown, after the first semicircular foam column 71 and the second semicircular foam column 72 are combined, the position of the positioning groove 73 is made to correspond to the position of the positioning insert 11, and the first semicircular foam column 71 and the second semicircular foam column 72 are pushed into the main cylinder 1. The positioning groove 73 will move along the positioning insert 11. Finally, the first semicircular foam column 71 and the second semicircular foam column 72 placed inside the main cylinder 1 will not rotate, thereby improving the stability of the missile after storage.

[0051] In some embodiments, the two setting frame assemblies 4 are symmetrically arranged with respect to the center of the main cylinder 1, and the two setting frame assemblies 4 are provided with a support 6 connected to the main cylinder 1 at the ends close to each other;

[0052] like Figure 1As shown, the two symmetrically arranged EPP foaming adjustment frames 41 make the missile packaging box more stable when placed on the ground or a flat surface, and there is a first gap between the bottom surface of the support platform 6 and the bottom surface of the EPP foaming adjustment frame 41 in the vertical direction, which is convenient for users to use a forklift to transport it. No pallet is required during transportation, and the handling efficiency is higher.

[0053] In some embodiments, a storage assembly 5 is provided at the bottom of one end of the main cylinder 1. The storage assembly 5 includes a data cylinder 51 provided at the bottom of the main cylinder 1. Externally threaded cylinders 52 are provided at both ends of the data cylinder 51. An internally threaded cap 53 is connected to the end of the externally threaded cylinder 52 away from the data cylinder 51 by a thread.

[0054] like Figure 1 and Figure 3 As shown, by separating the external threaded barrel 52 and the internal threaded cover 53 through threaded engagement, data can be stored in or taken out of the data barrel 51, solving the problem that the existing missile packaging box has no storage for data. Optionally, an anti-lost chain is attached to the internal threaded cover 53, and the other end of the anti-lost chain is connected to the data barrel 51 to avoid the loss of the internal threaded cover 53.

[0055] In some embodiments, the end cover assembly 2 also includes a grounding wire pile 26 and a test socket 27 provided on the first end cover 21. One end of the grounding wire pile 26 can be connected to the missile grounding connector, and the other end can be connected to the ground. One end of the test socket 27 can be connected to the missile test interface, and the other end can be connected to the test equipment.

[0056] like Figure 1 and Figure 2 As shown, the grounding wire pile 26 is connected to the missile grounding connector through a first connecting cable, and the missile test interface is connected to the test socket 27 through a second connecting cable. When packaging the missile, the corresponding components are first connected through the first connecting cable and the second connecting cable, and then the first end cover 21 is covered, and the buckle 23 is used to clamp the fixing edge 22 to achieve the purpose of the first end cover 21 sealing the opening of the main cylinder 1. In addition, the first semicircular foam column 71 and the second semicircular foam column 72 are provided with an avoidance groove 75 near the first end cover 21, which is convenient for the user to operate the first connecting cable and the second connecting line and facilitate the connection of the lines. Further, the first end cover 21 is provided with a rubber dust cover 28 on the side away from the main cylinder 1, and the test socket 27 is wrapped with the rubber dust cover 28 to play a dust-proof role; further, the first end cover 21 and the second end cover 3 are provided with handles 29 at the ends away from each other, which is convenient for the user to hold the first end cover 21 or use two handles 29 to carry a single missile packaging box.

[0057] In some embodiments, a humidity indicator 24 is provided on the first end cap 21 , and a desiccant bag 8 is provided inside the main cylinder 1 near the end of the first end cap 21 ;

[0058] like Figure 2As shown, one end of the humidity indicator 24 is inside the main cylinder 1 and is used to measure the humidity inside the main cylinder 1, and the other end is outside the main cylinder 1 and is used to display the measured humidity value, so that the user can always understand the humidity inside the main cylinder 1 and avoid damage to the missile caused by excessive humidity. The desiccant bag 8 is used to absorb water vapor inside the main cylinder 1 and reduce the humidity inside the main cylinder 1. A desiccant bag 8 can also be set inside the main cylinder 1 near the second end cover 3 to further reduce the humidity.

[0059] In some embodiments, a balancing valve 25 is further provided on the first end cap 21, and the humidity indicator 24, the grounding wire pile 26 of the balancing valve 25, and the test socket 27 are all mounted on the first end cap 21 using a nut-fastened through-wall sealing adapter.

[0060] like Figure 1 As shown, the balancing valve 25 is used to reduce or balance the difference to adjust the relative balance between the internal pressure of the main cylinder 1 and the external pressure. Due to the factors of vacuuming or filling with inert gas, when the missile needs to be taken out, the pressure must be adjusted through the balancing valve 25 to avoid the situation where the first end cover 21 cannot be removed due to excessive pressure difference; because the humidity indicator 24, the grounding wire pile 26 of the balancing valve 25 and the test socket 27 all need to pass through the first end cover 21, that is, one end is inside the main cylinder 1 and the other end is outside the main cylinder 1, and then the nut-fastened through-wall sealing adapter is used to achieve the purpose of sealing installation, and there will be no exchange of gas inside the main cylinder 1 with the external gas, ensuring good sealing and facilitating subsequent vacuuming or filling with inert gas.

[0061] In some embodiments, each EPP foaming setting frame 41 is provided with two top grooves 47 , and each EPP foaming setting frame 41 is provided with an arc groove 46 at the top between the two top grooves 47 , and the two arc grooves 46 are used to support the missile;

[0062] like Figure 1 and Figure 4 As shown, two arc-shaped slots 46 are used to facilitate temporary placement of missiles, and the tail of the missile can be rotated by hand to facilitate inspection when taking out or putting in the missile.

[0063] In this specification, the terms "connect," "install," and "fix" should be understood broadly. For example, "connect" can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a direct connection or an indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0064] Throughout this specification, terms such as "one embodiment" or "some embodiments" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0065] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A glass fiber reinforced plastic cylinder sealed missile packaging box, characterized in that: The invention comprises a main cylinder (1), the main cylinder (1) having a first axis, the extension direction of the first axis being a first direction, and the main cylinder (1) is provided with a setting frame assembly (4) at both ends along the first direction, the setting frame assembly (4) comprising: An EPP foaming setting frame (41) is sleeved outside the main cylinder (1); A first connecting structure comprises a first side groove (42) provided at one end of the EPP foaming setting frame (41) along the second direction, and a first side boss (44) at the other end, wherein the inner wall of the first side groove (42) fits with the outer wall of the first side boss (44), and the first direction and the second direction are perpendicular to each other; The second connection structure comprises a second side boss (43) provided on the first side groove (42) close to the inner wall of the EPP foaming setting frame (41), and a second side groove (45) provided on the end of the first side boss (44) away from the EPP foaming setting frame (41), wherein the inner wall of the second side groove (45) is fitted with the outer wall of the second side boss (43); The third connection structure includes a top groove (47) provided at the top end of the EPP foaming adjustment frame (41), and a bottom boss (48) provided at the bottom end of the EPP foaming adjustment frame (41), wherein the outer wall of the bottom boss (48) fits with the inner wall of the top groove (47).

2. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 1 is characterized in that: One end of the main cylinder (1) is sealedly connected to a second end cover (3), and the other end is provided with an end cover assembly (2). The end cover assembly (2) comprises a first end cover (21) provided at the end of the main cylinder (1). The edge of the first end cover (21) extends away from the main cylinder (1) to form a fixed edge (22). A plurality of latches (23) are evenly provided on the circular side surface of the main cylinder (1) away from the second end cover (3). The latches (23) drive the first end cover (21) to seal and abut against the main cylinder (1) by snapping the fixed edge (22).

3. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 2, characterized in that: An internal foaming component (7) is provided inside the main cylinder (1), and the internal foaming component (7) comprises a first semicircular foaming column (71) and a second semicircular foaming column (72) arranged along a third direction. The outer wall of the combination of the first semicircular foaming column (71) and the second semicircular foaming column (72) fits with the inner wall of the main cylinder (1), and both are provided with a missile placement groove (74) near their end faces. The missile placement groove (74) is used for placing a missile. The first direction, the second direction and the third direction are perpendicular to each other.

4. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 3 is characterized in that: A positioning groove (73) is provided at the top end of the first semicircular foaming column (71), and a positioning insert (11) is provided at the top end of the inner wall of the main cylinder (1), wherein the outer edge of the cross section of the positioning insert (11) fits with the inner edge of the cross section of the positioning groove (73).

5. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 1, characterized in that: The two adjusting frame assemblies (4) are symmetrically arranged around the center of the main cylinder (1), and a support platform (6) connected to the main cylinder (1) is provided at the ends of the two adjusting frame assemblies (4) close to each other.

6. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 1, characterized in that: A storage assembly (5) is provided at the bottom of one end of the main cylinder (1), and the storage assembly (5) comprises a data cylinder (51) provided at the bottom of the main cylinder (1), both ends of the data cylinder (51) are penetrated by external threaded cylinders (52), and the end of the external threaded cylinder (52) away from the data cylinder (51) is connected to an internal threaded cover (53) through a thread.

7. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 2, characterized in that: The end cap assembly (2) further comprises a grounding wire pile (26) and a test socket (27) arranged on the first end cap (21); one end of the grounding wire pile (26) can be connected to a missile grounding connector, and the other end can be connected to the ground; one end of the test socket (27) can be connected to a missile test interface, and the other end can be connected to a test device.

8. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 7, characterized in that: A humidity indicator (24) is provided on the first end cover (21), and a desiccant bag (8) is provided inside the main cylinder (1) near the end of the first end cover (21).

9. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 8, characterized in that: The first end cover (21) is also provided with a balancing valve (25), and the humidity indicator (24), the balancing valve (25), the grounding wire pile (26) and the test socket (27) are all installed on the first end cover (21) by using a nut-fastened wall-penetrating sealing adapter.

10. The glass fiber reinforced plastic cylinder sealed missile packaging box according to claim 1, characterized in that: Each of the EPP foaming setting frames (41) is provided with two top grooves (47), and a top of each of the EPP foaming setting frames (41) is provided with an arc groove (46) at a position between the two top grooves (47), and the two arc grooves (46) are used to support the missile.

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