Cabin section inner cushion block for carrier rocket

Abstract

The utility model discloses a cabin inner cushion block for a carrier rocket, and relates to the technical field of spaceflight. Wherein the left end of each cushion block main body is provided with a left groove; a right groove is formed in the right end of each cushion block main body; a lower groove is formed in the lower end of each cushion block main body; a plurality of through holes are formed in the middle of each cushion block main body. The requirement for final assembly in the horizontal cabin of the second-level and third-level section can be met, and supporting and lifting functions can be provided for operators in the cabin.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aerospace technology, in particular to an inner pad for a cabin section of a launch vehicle. BACKGROUND

[0002] The horizontal assembly of the launch vehicle (for example, the PR-1 launch vehicle) is carried out in the technical area workshop of the launch site. This has the advantages of facilitating the installation of various instruments and equipment, the connection of fuel delivery pipelines and other components, and the inspection of various components. During the horizontal assembly of the launch vehicle (for example, the PR-1 launch vehicle), the operator needs to reach various products (for example, attitude control sensors, various instruments and meters, electrical circuit interfaces, propellant delivery pipeline interfaces, safety valves and other components) on the top of the cabin section. These products are very important for subsequent attitude control, signal transmission and safety control of the rocket.

[0003] However, when the horizontal assembly is carried out in the technical area workshop of the launch site, the top radius of the second and third interstage section of the launch vehicle (for example, the PR-1 launch vehicle) is large, and the operator cannot reach the products on the top of the cabin section. Therefore, there is an urgent need to develop an inner pad or ladder for the cabin section that can provide support and elevation functions for the operator inside the cabin, and the inner pad or ladder for the cabin section cannot damage the structure of the rocket cabin section and the products.

[0004] In addition, the inner pad or ladder for the cabin section also needs to have the advantage of being easy to clean. CONTENT OF THE UTILITY MODEL

[0005] The purpose of the present application is to provide an inner pad for a cabin section of a launch vehicle that can meet the needs of horizontal assembly inside the second and third interstage section and provide support and elevation functions for the operator inside the cabin.

[0006] To achieve the above purpose, the present application provides an inner pad for a cabin section of a launch vehicle, comprising: at least one pad body; wherein the left end of each pad body is provided with a left groove; the right end of each pad body is provided with a right groove; the lower end of each pad body is provided with a lower groove; and the middle part of each pad body is provided with a plurality of through holes.

[0007] As above, wherein the pad body is made of a hard polyurethane material with a density greater than 400 Kg / m 3 .

[0008] As above, wherein the pad body is a right-angled trapezoidal body; the left groove is arranged on the lower base of the right-angled trapezoidal body; the right groove is arranged on the upper base of the right-angled trapezoidal body; the lower groove is arranged on the non-right-angled side of the right-angled trapezoidal body; and the plurality of through holes all pass through from the front face of the right-angled trapezoidal body to the back face of the right-angled trapezoidal body.

[0009] The left recess has a right-angled trapezoidal space shape; the right-angled side of the space shape of the left recess has a first interval distance with the right-angled side of the cushion block body; the non-right-angled side of the space shape of the left recess is flush with the non-right-angled side of the cushion block body; the front face of the space shape of the left recess has a second interval distance with the front face of the cushion block body; the back face of the space shape of the left recess has a third interval distance with the back face of the cushion block body; the upper bottom face of the space shape of the left recess has a fourth interval distance with the upper bottom face of the cushion block body; and the lower bottom face of the space shape of the left recess is flush with the lower bottom face of the cushion block body.

[0010] The right recess has a right-angled trapezoidal space shape; the right-angled side of the space shape of the right recess has a fifth interval distance with the right-angled side of the cushion block body; the non-right-angled side of the space shape of the right recess is flush with the non-right-angled side of the cushion block body; the front face of the space shape of the right recess has a sixth interval distance with the front face of the cushion block body; the back face of the space shape of the right recess has a seventh interval distance with the back face of the cushion block body; the lower bottom face of the space shape of the right recess has an eighth interval distance with the lower bottom face of the cushion block body; and the upper bottom face of the space shape of the right recess is flush with the upper bottom face of the cushion block body.

[0011] The lower recess comprises a first sub-recess and a second sub-recess; the first sub-recess has a right-angled trapezoidal space shape; the second sub-recess has an oblique parallelepiped space shape; the right-angled side of the first sub-recess has a ninth interval distance with the right-angled side of the cushion block body; the lower bottom face of the first sub-recess has a tenth interval distance with the lower bottom face of the cushion block body; the upper bottom face of the first sub-recess has an eleventh interval distance with the upper bottom face of the cushion block body; the non-right-angled side of the first sub-recess is communicated with the upper bottom face of the second sub-recess; the front face of the first sub-recess is flush with the front face of the cushion block body; the back face of the first sub-recess is flush with the back face of the cushion block body; the upper bottom face of the second sub-recess has a twelfth interval distance with the right-angled side of the cushion block body; the lower bottom face of the second sub-recess is flush with the non-right-angled side of the cushion block body; the left oblique face of the second sub-recess has a thirteenth interval distance with the lower bottom face of the cushion block body; the right oblique face of the second sub-recess has a fourteenth interval distance with the upper bottom face of the cushion block body; the front face of the second sub-recess is flush with the front face of the cushion block body; and the back face of the second sub-recess is flush with the back face of the cushion block body.

[0012] The plurality of through holes comprises at least one first through hole, at least one second through hole, at least one third through hole and at least one fourth through hole; the diameters of the first through hole, the second through hole, the third through hole and the fourth through hole are not equal.

[0013] The first through hole is one, the second through hole is one, the third through hole is one, and the fourth through hole is two.

[0014] The first through hole is located in the middle of the cushion block body, the second through hole is located below and left of the first through hole, and the second through hole is located right of the left groove and above the lower groove, the third through hole is located below and right of the first through hole, and the third through hole is located left of the right groove and above the lower groove, one fourth through hole is located above and left of the first through hole, and one fourth through hole is located right of the left groove and above the second through hole, and the other fourth through hole is located above and right of the first through hole, and the other fourth through hole is located left of the right groove and above the third through hole.

[0015] The length of the right angle side of the cushion block body is 386mm, and the width of the right angle side of the cushion block body is 200mm.

[0016] The application achieves the following beneficial effects:

[0017] (1) The cabin section inner cushion block for a launch vehicle can meet the needs of the assembly of the horizontal cabin between the second and third stages, and can provide support and lifting functions for the operator in the cabin.

[0018] (2) The cabin section inner cushion block for a launch vehicle can greatly reduce the weight of the entire cushion block body while retaining the main bearing structure and reinforcing ribs, and can meet the lightweight requirements, so that the operator can easily move it.

[0019] (3) The cabin section inner cushion block for a launch vehicle adopts hard polyurethane material, which can meet the requirements of multiple uses and will not damage the rocket cabin section structure and products.

[0020] (4) The cabin section inner cushion block for a launch vehicle will not produce debris, which can avoid bringing excess material to the inside of the rocket cabin section, and has the advantage of easy cleaning.

[0021] (5) The cabin section inner cushion block for a launch vehicle can be used alone or in combination, and when multiple cushion block bodies are used in combination, the support area can be expanded, making it more convenient for the operator to use flexibly. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments described in the application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0023] Fig. 1 Figure 1 is a perspective view of an embodiment of the inner pad for the cabin section of the carrier rocket;

[0024] Fig. 2 Figure 2 is a perspective view of an embodiment of the inner pad for the cabin section of the carrier rocket;

[0025] Fig. 3 Figure 3 is a structural schematic view of an embodiment of the inner pad for the cabin section of the carrier rocket, wherein, Fig. 3 Figure 4 (a) is a front view of the inner pad for the cabin section of the carrier rocket, Fig. 3 Figure 4 (b) is a right view of the inner pad for the cabin section of the carrier rocket, Fig. 3 Figure 4 (c) is a bottom view of the inner pad for the cabin section of the carrier rocket. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] As shown in Figs. 1-3 The present application provides an inner pad for the cabin section of the carrier rocket, comprising: at least one pad body 1; wherein the left end of each pad body 1 is provided with a left groove 11; the right end of each pad body 1 is provided with a right groove 12; the lower end of each pad body 1 is provided with a lower groove 13; and the middle part of each pad body 1 is provided with a plurality of through holes 14.

[0028] Specifically, the inner pad for the cabin section of the carrier rocket of the present application can meet the demand of the horizontal assembly in the two-stage and three-stage section cabin, and can provide support and lifting function for the operator in the cabin. By providing the left groove 11, the right groove 12, the lower groove 13 and the plurality of through holes 14 on the pad body 1, the weight of the entire pad body 1 can be greatly reduced under the condition of retaining the main bearing structure and the reinforcing rib, which can meet the demand of lightweight, so that the operator is easy to move. By cooperating the lower groove 13 with the cross beam in the rocket cabin, the pad body 1 can be limited, so as to avoid displacement of the pad body 1 during use.

[0029] Specifically, the number of the pad body 1 is set according to the actual situation. The pad body 1 can be used alone or in combination.

[0030] Further, when the plurality of pad bodies 1 are connected in a splicing manner, the support area can be expanded by the plurality of pad bodies 1.

[0031] Specifically, the splicing surface between the plurality of pad bodies 1 is selected according to actual requirements.

[0032] Further, the pad for the cabin section of the launch vehicle can be applied to the horizontal assembly process of the PR-1 launch vehicle in the technical area workshop of the launch site, but is not limited to the horizontal assembly process of the PR-1 launch vehicle in the technical area workshop of the launch site, and can also be applied to the horizontal assembly process of other launch vehicles in the technical area workshop of the launch site.

[0033] Further, the pad body 1 is made of a rigid polyurethane material with a density greater than 400 Kg / m 3 , i.e., a rigid polyurethane material. The rigid polyurethane material with a density greater than 400 Kg / m 3 is tough in texture and has a surface with elasticity, which can meet the requirement of multiple uses and will not damage the structure of the rocket cabin section and the product, for example, will not damage the surface skin and / or cross beam of the cabin section. In addition, the pad body 1 will not produce debris, which can avoid bringing extra objects to the inside of the rocket cabin section, and has the advantage of easy cleaning.

[0034] Further, the pad body 1 is made by bonding and cutting a rigid polyurethane material with a density greater than 400 Kg / m 3 , but is not limited to being made by bonding and cutting a rigid polyurethane material with a density greater than 400 Kg / m 3 , and can also be made by other production methods.

[0035] Further, the support strength of the pad body 1 is greater than or equal to 980 N / m 2 , i.e., one pad body 1 can support a person and / or product weighing at least 100 kg.

[0036] Specifically, the specific value of the support strength of the pad body 1 is set according to actual conditions, which can meet the condition of bearing one person and production resources.

[0037] Further, the safety factor of the pad body 1 is 1.5, but is not limited to 1.5, and the application preferably is 1.5.

[0038] Further, the pad body 1 is a right trapezoidal body; the left groove 11 is arranged at the lower base of the right trapezoidal body; the right groove 12 is arranged at the upper base of the right trapezoidal body; the lower groove 13 is arranged at the non-right angle side of the right trapezoidal body; and the plurality of through holes 14 all pass through from the front face of the right trapezoidal body to the back face of the right trapezoidal body.

[0039] Specifically, the cushion block body 1 is a right-angled trapezoidal body, but is not limited to a right-angled trapezoidal body, and can be a rectangular body, a cylindrical body, a prism, or other shapes. The application preferably is a right-angled trapezoidal body, and the cross section of the right-angled trapezoidal body is a right-angled trapezoid. Since the top of the second and third stage interval section of the carrier rocket (for example, the PR-1 carrier rocket) has a large radius, the right-angled trapezoidal body of the cushion block body 1 can better adapt to the distance between the different operating positions of the top of the second and third stage interval section and the operating personnel.

[0040] Further, the right-angled side surface of the cushion block body 1 is perpendicular to the lower bottom surface of the cushion block body 1 and the upper bottom surface of the cushion block body 1. The angle between the non-right-angled side surface of the cushion block body 1 and the lower bottom surface of the cushion block body 1 is 77°, but is not limited to 77°, and the application preferably is 77°.

[0041] Further, the specific size of the cushion block body 1 is set according to the actual situation. The application preferably is that the length of the right-angled side surface of the cushion block body 1 is 386 mm, the width of the right-angled side surface of the cushion block body 1 is 200 mm, and a single cushion block body 1 can provide a support area of 386 mm x 200 mm. The length of the lower bottom surface of the cushion block body 1 is 410 mm, but is not limited to 410 mm, and the application preferably is 410 mm.

[0042] Further, the space shape of the left groove 11 is a right-angled trapezoidal body; the right-angled side surface of the space shape of the left groove 11 has a first interval distance with the right-angled side surface of the cushion block body 1; the non-right-angled side surface of the space shape of the left groove 11 is flush with the non-right-angled side surface of the cushion block body 1; the front surface of the space shape of the left groove 11 has a second interval distance with the front surface of the cushion block body 1; the back surface of the space shape of the left groove 11 has a third interval distance with the back surface of the cushion block body 1; the upper bottom surface of the space shape of the left groove 11 has a fourth interval distance with the upper bottom surface of the cushion block body 1; and the lower bottom surface of the space shape of the left groove 11 is flush with the lower bottom surface of the cushion block body 1.

[0043] Specifically, the specific shape of the space shape of the left groove 11 is set according to the actual situation. The application preferably is that the space shape is a right-angled trapezoidal body, and the cross section of the right-angled trapezoidal body is a right-angled trapezoid.

[0044] The specific values of the first interval distance, the second interval distance, the third interval distance, and the fourth interval distance are set according to the actual situation.

[0045] The specific size of the left groove 11 is set according to the actual situation. The application preferably is that the length of the right-angled side surface of the left groove 11 is 70 mm.

[0046] Further, the space shape of the right groove 12 is a right trapezoidal body; the right angle side of the space shape of the right groove 12 and the right angle side of the cushion block body 1 have a fifth interval distance; the non-right angle side of the space shape of the right groove 12 is flush with the non-right angle side of the cushion block body 1; the front of the space shape of the right groove 12 and the front of the cushion block body 1 have a sixth interval distance; the back of the space shape of the right groove 12 and the back of the cushion block body 1 have a seventh interval distance; the lower bottom of the space shape of the right groove 12 and the lower bottom of the cushion block body 1 have an eighth interval distance; and the upper bottom of the space shape of the right groove 12 is flush with the upper bottom of the cushion block body 1.

[0047] Further, the specific shape of the space shape of the right groove 12 is set according to actual conditions, and the application preferably is: a right trapezoidal body, and the cross section of the right trapezoidal body is a right trapezoid.

[0048] The specific values of the fifth interval distance, the sixth interval distance, the seventh interval distance, and the eighth interval distance are all set according to actual conditions.

[0049] The specific size of the right groove 12 is set according to actual conditions. The application preferably is: the length of the right angle side of the right groove 12 is 50 mm.

[0050] Further, the lower groove 13 comprises: a first sub-groove 131 and a second sub-groove 132; wherein the space shape of the first sub-groove 131 is a right trapezoidal body; the space shape of the second sub-groove 132 is a slanting parallelepiped; the right angle side of the first sub-groove 131 and the right angle side of the cushion block body 1 have a ninth interval distance; the lower bottom of the first sub-groove 131 and the lower bottom of the cushion block body 1 have a tenth interval distance; the upper bottom of the first sub-groove 131 and the upper bottom of the cushion block body 1 have an eleventh interval distance; the non-right angle side of the first sub-groove 131 and the upper bottom of the second sub-groove 132 are communicated; the front of the first sub-groove 131 is flush with the front of the cushion block body 1; the back of the first sub-groove 131 is flush with the back of the cushion block body 1; the upper bottom of the second sub-groove 132 and the right angle side of the cushion block body 1 have a twelfth interval distance; the lower bottom of the second sub-groove 132 is flush with the non-right angle side of the cushion block body 1; the left inclined surface of the second sub-groove 132 and the lower bottom of the cushion block body 1 have a thirteenth interval distance; the right inclined surface of the second sub-groove 132 and the upper bottom of the cushion block body 1 have a fourteenth interval distance; the front of the second sub-groove 132 is flush with the front of the cushion block body 1; and the back of the second sub-groove 132 is flush with the back of the cushion block body 1.

[0051] Specifically, the specific shape of the lower groove 13 is set according to actual conditions. The specific size of the lower groove 13 is set according to actual conditions.

[0052] The specific shape of the first sub-groove 131 and the second sub-groove 132 is set according to actual conditions. The application preferably has: the spatial shape of the first sub-groove 131 is a right trapezoidal body, and the cross section of the right trapezoidal body is a right trapezoid. The spatial shape of the second sub-groove 132 is a slanting parallelepiped, and the cross section of the slanting parallelepiped is a parallelogram.

[0053] The specific size of the first sub-groove 131 and the second sub-groove 132 is set according to actual conditions. The application preferably has: the length of the right side of the first sub-groove 131 is 62mm.

[0054] The specific value of the ninth interval distance, the tenth interval distance, the eleventh interval distance, the twelfth interval distance, the thirteenth interval distance and the fourteenth interval distance is set according to actual conditions.

[0055] Further, the plurality of through holes 14 includes: at least one first through hole 141, at least one second through hole 142, at least one third through hole 143 and at least one fourth through hole 144; the diameter of the first through hole 141, the diameter of the second through hole 142, the diameter of the third through hole 143 and the diameter of the fourth through hole 144 are not equal.

[0056] Specifically, the plurality of through holes 14 are used for weight reduction, which can avoid the overburden of the cushion block in the cabin section of the carrier rocket, can meet the demand of lightweight, and makes it easy for the operator to move.

[0057] Further, the specific number of the first through hole 141, the second through hole 142, the third through hole 143 and the fourth through hole 144 is set according to actual conditions, and the application preferably has: the first through hole 141 is one, the second through hole 142 is one, the third through hole 143 is one, and the fourth through hole 144 is two.

[0058] Further, the specific setting position of the first through hole 141, the second through hole 142, the third through hole 143 and the fourth through hole 144 is set according to actual conditions, and the application preferably has: the first through hole 141 is located in the middle of the cushion block body 1; the second through hole 142 is located below and left of the first through hole 141, and the second through hole 142 is located right of the left groove 11 and above the lower groove 13; the third through hole 143 is located below and right of the first through hole 141, and the third through hole 143 is located left of the right groove 12 and above the lower groove 13; one fourth through hole 144 is located above and left of the first through hole 141, and one fourth through hole 144 is located right of the left groove 11 and above the second through hole 142; the other fourth through hole 144 is located above and right of the first through hole 141, and the other fourth through hole 144 is located left of the right groove 12 and above the third through hole 143.

[0059] Further, the specific value of the diameter of the first through hole 141 is set according to actual conditions, and the application preferably is that the diameter of the first through hole 141 is 100 mm.

[0060] Further, the distance between the center of the first through hole 141 and the lower bottom surface of the cushion block body 1 is 200 mm, but is not limited to 200 mm, and the application preferably is 200 mm. The distance between the center of the first through hole 141 and the right angle side surface of the cushion block body 1 is 150 mm, but is not limited to 150 mm, and the application preferably is 150 mm.

[0061] Further, the specific value of the diameter of the second through hole 142 is set according to actual conditions, and the application preferably is that the diameter of the second through hole 142 is 80 mm.

[0062] Further, the distance between the center of the second through hole 142 and the lower bottom surface of the cushion block body 1 is 120 mm, but is not limited to 120 mm, and the application preferably is 120 mm. The distance between the center of the second through hole 142 and the right angle side surface of the cushion block body 1 is 270 mm, but is not limited to 270 mm, and the application preferably is 270 mm.

[0063] Further, the specific value of the diameter of the third through hole 143 is set according to actual conditions, and the application preferably is that the diameter of the third through hole 143 is 70 mm.

[0064] Further, the distance between the center of the third through hole 143 and the upper bottom surface of the cushion block body 1 is 100 mm, but is not limited to 100 mm, and the application preferably is 100 mm. The distance between the center of the third through hole 143 and the right angle side surface of the cushion block body 1 is 230 mm, but is not limited to 230 mm, and the application preferably is 230 mm.

[0065] Further, the diameter of the fourth through hole 144 is 60 mm, but is not limited to 60 mm, and the application preferably is 60 mm.

[0066] Further, the distance between the center of one fourth through hole 144 and the lower bottom surface of the cushion block body 1 is 120 mm, but is not limited to 120 mm, and the application preferably is 120 mm. The distance between the center of one fourth through hole 144 and the right angle side surface of the cushion block body 1 is 80 mm, but is not limited to 80 mm, and the application preferably is 80 mm.

[0067] Further, the distance between the center of the other fourth through hole 144 and the upper bottom surface of the cushion block body 1 is 100 mm, but is not limited to 100 mm, and the application preferably is 100 mm. The distance between the center of the other fourth through hole 144 and the right angle side surface of the cushion block body 1 is 100 mm, but is not limited to 100 mm, and the application preferably is 100 mm.

[0068] Specifically, as an embodiment, the cushion block body 1 meets the use requirements and can bring great convenience to the operators by passing through the four force arrows Y3-Y6, a total of 4 launch vehicle technology area assembly tests.

[0069] The beneficial effects achieved by the application are as follows:

[0070] (1) The in-cabin cushion block for a launch vehicle of the application can meet the needs of horizontal assembly in the second and third stage sections, and can provide support and lifting functions for operators in the cabin.

[0071] (2) The in-cabin cushion block for a launch vehicle of the application, by providing left and right grooves, a lower groove, and a plurality of through holes on the cushion block body, can greatly reduce the weight of the entire cushion block body under the condition of retaining the main bearing structure and reinforcing ribs, meet the lightweight requirements, and make it easy for operators to move.

[0072] (3) The in-cabin cushion block for a launch vehicle of the application uses hard polyurethane material, which can meet the requirements of multiple uses and will not damage the rocket cabin structure and products.

[0073] (4) The in-cabin cushion block for a launch vehicle of the application will not produce debris, can avoid bringing excess material to the inside of the rocket cabin, and has the advantage of being easy to clean.

[0074] (5) The in-cabin cushion block for a launch vehicle of the application can be used alone or in combination, and when multiple cushion block bodies are used in combination, the support area can be expanded, making it more convenient for operators to use flexibly.

[0075] Although the preferred embodiments of the application have been described, those skilled in the art can make further changes and modifications to these embodiments once they know the basic inventive concept. Therefore, the scope of protection of the application is intended to include the preferred embodiments and all changes and modifications falling within the scope of the application. Obviously, those skilled in the art can make various modifications and changes to the application without departing from the spirit and scope of the application. Thus, if these modifications and changes of the application fall within the scope of protection and the scope of equivalent technology, the application also intends to include these modifications and changes.

Claims

1. A pad for use in a payload section of a launch vehicle, the pad comprising: The application relates to a cushion block, which comprises at least one cushion block body, wherein the left end of each cushion block body is provided with a left groove, the right end of each cushion block body is provided with a right groove, the lower end of each cushion block body is provided with a lower groove, and the middle part of each cushion block body is provided with a plurality of through holes. The cushion block body is a right-angled trapezoidal body. The left groove is arranged on the lower bottom surface of the right-angled trapezoidal body. The right groove is arranged on the upper bottom surface of the right-angled trapezoidal body. The lower groove is arranged on the non-right-angled side surface of the right-angled trapezoidal body. The plurality of through holes penetrate from the front surface of the right-angled trapezoidal body to the rear surface of the right-angled trapezoidal body.

2. The in-fair pad for a launch vehicle of claim 1, wherein, The cushion block body is made of rigid polyurethane material with a density greater than 400 Kg / m 3 .

3. The in-fair pad for a launch vehicle of claim 2, wherein, The space shape of the left groove is a right-angled trapezoidal body. The right-angled side surface of the space shape of the left groove is spaced apart from the right-angled side surface of the cushion block body by a first interval distance. The non-right-angled side surface of the space shape of the left groove is flush with the non-right-angled side surface of the cushion block body. The front surface of the space shape of the left groove is spaced apart from the front surface of the cushion block body by a second interval distance. The rear surface of the space shape of the left groove is spaced apart from the rear surface of the cushion block body by a third interval distance.

4. The in-fair pad for a launch vehicle of claim 3, wherein, The upper bottom surface of the space shape of the left groove is spaced apart from the upper bottom surface of the cushion block body by a fourth interval distance. The lower bottom surface of the space shape of the left groove is flush with the lower bottom surface of the cushion block body. The space shape of the right groove is a right-angled trapezoidal body. The right-angled side surface of the space shape of the right groove is spaced apart from the right-angled side surface of the cushion block body by a fifth interval distance. The non-right-angled side surface of the space shape of the right groove is flush with the non-right-angled side surface of the cushion block body. The front surface of the space shape of the right groove is spaced apart from the front surface of the cushion block body by a sixth interval distance. The rear surface of the space shape of the right groove is spaced apart from the rear surface of the cushion block body by a seventh interval distance.

5. The in-fair pad for a launch vehicle of claim 4, wherein, The lower bottom surface of the space shape of the right groove is spaced apart from the lower bottom surface of the cushion block body by an eighth interval distance. The upper bottom surface of the space shape of the right groove is flush with the upper bottom surface of the cushion block body. The lower groove comprises a first sub-groove and a second sub-groove. The space shape of the first sub-groove is a right-angled trapezoidal body, and the space shape of the second sub-groove is an oblique parallelepiped. The right-angled side surface of the first sub-groove is spaced apart from the right-angled side surface of the cushion block body by a ninth interval distance. The lower bottom surface of the first sub-groove is spaced apart from the lower bottom surface of the cushion block body by a tenth interval distance. The upper bottom surface of the first sub-groove is spaced apart from the upper bottom surface of the cushion block body by an eleventh interval distance.

6. The in-fair pad for a launch vehicle of claim 5, wherein, The non-right-angled side surface of the first sub-groove is communicated with the upper bottom surface of the second sub-groove. The front surface of the first sub-groove is flush with the front surface of the cushion block body. The rear surface of the first sub-groove is flush with the rear surface of the cushion block body. The upper bottom surface of the second sub-groove is spaced apart from the right-angled side surface of the cushion block body by a twelfth interval distance. The lower bottom surface of the second sub-groove is flush with the non-right-angled side surface of the cushion block body. The left inclined surface of the second sub-groove is spaced apart from the lower bottom surface of the cushion block body by a thirteenth interval distance. The right inclined surface of the second sub-groove is spaced apart from the upper bottom surface of the cushion block body by a fourteenth interval distance. The front surface of the second sub-groove is flush with the front surface of the cushion block body. The rear surface of the second sub-groove is flush with the rear surface of the cushion block body. The plurality of through holes comprises at least one first through hole, at least one second through hole, at least one third through hole and at least one fourth through hole. The diameters of the first through hole, the second through hole, the third through hole and the fourth through hole are not equal. ​ ​ ​ 7. The in-fair pad for a launch vehicle of claim 6, wherein, ​ ​ 8. The in-fair pad for a launch vehicle of claim 7, wherein, The first through hole is one, the second through hole is one, the third through hole is one, and the fourth through hole is two.

9. The in-fair pad for a launch vehicle of claim 8, wherein, The first through hole is located in the middle of the cushion block body; The second through hole is located below the first through hole, to the right of the left groove, and above the lower groove; The third through hole is located below the first through hole, to the left of the right groove, and above the lower groove; One fourth through hole is located above the first through hole, to the right of the left groove, and above the second through hole; The other fourth through hole is located above the first through hole, to the left of the right groove, and above the third through hole.

10. The in-fair pad for a launch vehicle of claim 6, wherein, The length of the right angle side of the cushion block body is 386mm, and the width of the right angle side of the cushion block body is 200mm.

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