Solid rocket engine paint spraying tool

Abstract

The utility model relates to the technical field of solid rocket engines, and discloses a solid rocket engine paint spraying tool which comprises a bottom plate and at least one fixing assembly arranged on the bottom plate, the fixing assembly comprises a rotating seat and a fastening seat, the rotating seat is rotationally arranged on the bottom plate with a Z axis as a rotating axis, and the Z axis is perpendicular to the bottom plate; the fastening seat comprises a mounting part and a connecting part which are arranged in the Z-axis direction, the mounting part is detachably connected with the rotating seat, the size of the connecting part is adjustable, and the connecting part is used for being detachably connected with one end of the solid rocket engine. The universality is better, the occupied space is smaller, and the cost is lower.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid rocket engine technical field especially relates to a solid rocket engine paint spraying frock. BACKGROUND

[0002] The solid rocket engine is the chemical rocket engine using solid propellant. At present, the solid rocket engine paint spraying is all horizontal paint spraying, and the space is relatively large. For the small and medium-sized engine, the single horizontal paint spraying efficiency is low. In the prior art, when the solid rocket engine is painted or brushed, the fixed frock is used to fix the solid rocket engine. The side part close to the ground of the solid rocket engine is difficult to spray, and the efficiency is low. Different frocks are needed for different types of solid rocket engines, and the overall cost is high.

[0003] Therefore, a solid rocket engine paint spraying frock is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] Based on the above, the utility model aims at providing a solid rocket engine paint spraying frock, which has better universality, occupies less space and has lower cost.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A solid rocket engine paint spraying frock comprises a bottom plate and at least one fixing assembly arranged on the bottom plate, and the fixing assembly comprises:

[0007] A rotating seat is arranged on the bottom plate with the Z-axis as the rotating shaft, and the Z-axis is perpendicular to the bottom plate.

[0008] A fastening seat comprises a mounting part arranged along the Z-axis direction and a connecting part, the mounting part is detachably connected with the rotating seat, the connecting part is adjustable in size, and the connecting part is used for detachable connection with one end of the solid rocket engine.

[0009] As a preferred scheme of the solid rocket engine paint spraying frock, the rotating seat is provided with a first plug-in part, the mounting part is provided with a second plug-in part, and the first plug-in part and the second plug-in part are detachably plugged in.

[0010] As a preferred scheme of the solid rocket engine paint spraying frock, an installation groove is formed in one end of the rotating seat away from the bottom plate, the mounting part can be clamped in the installation groove, the first plug-in part is a plug-in block protruding from the side wall of the installation groove, the second plug-in part is a plug-in groove formed in the side wall of the mounting part, and the plug-in block and the plug-in groove are plugged in.

[0011] As a kind of solid rocket engine paint spraying tool preferred scheme, the outer periphery of the connecting portion is provided with external thread, the one end of the solid rocket engine is provided with internal thread, and the external thread is threadedly matched with the internal thread.

[0012] As a kind of solid rocket engine paint spraying tool preferred scheme, the rotating seat is rotatably connected on the bottom plate by rotating bearing.

[0013] As a kind of solid rocket engine paint spraying tool preferred scheme, the rotating bearing includes rotating sleeve inner ring and outer ring, the inner ring is fixed on the bottom plate, and the rotating seat is fixed on the outer ring.

[0014] As a kind of solid rocket engine paint spraying tool preferred scheme, the solid rocket engine paint spraying tool further comprises:

[0015] Cover, the cover is provided with through hole, the cover covers in the rotating seat outside, and is connected with the bottom plate, and the end of the rotating seat deviating from the bottom plate passes through the through hole.

[0016] As a kind of solid rocket engine paint spraying tool preferred scheme, the cover is connected with the bottom plate by bolt.

[0017] As a kind of solid rocket engine paint spraying tool preferred scheme, the fixing assembly is provided with multiple, and multiple fixing assemblies are arranged on the bottom plate.

[0018] As a kind of solid rocket engine paint spraying tool preferred scheme, the bottom plate deviating from the one side of the fixing assembly is provided with roller.

[0019] The beneficial effects of the utility model are:

[0020] The utility model provides a kind of solid rocket engine paint spraying tool, which comprises a bottom plate and at least one fixing assembly. By connecting one end of the solid rocket engine with the fastening seat, the rocket engine is fixed vertically relative to the bottom plate. Compared with the traditional horizontal paint spraying, the occupied space can be effectively saved. That is, multiple fixing assemblies can be arranged on one bottom plate simultaneously, and multiple solid rocket engines can be painted simultaneously, improving the overall efficiency. When painting the solid rocket engine, the solid rocket engine can be rotated, which facilitates uniform paint spraying and improves the paint spraying efficiency. Moreover, due to the adjustable size of the connecting portion, the solid rocket engine paint spraying tool can be applied to different models of solid rocket engines, making it more versatile. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present application and the drawings without creative labor.

[0022] Figure 1 is a top view of the solid rocket engine paint spraying tool provided by the embodiments of the present application;

[0023] Figure 2 is a structural schematic view of the solid rocket engine paint spraying tool provided by the embodiments of the present application;

[0024] Figure 3 is an exploded view of the solid rocket engine paint spraying tool provided by the embodiments of the present application;

[0025] Figure 4 is a bottom view of the fastening seat provided by the embodiments of the present application;

[0026] Figure 5 is a structural schematic view of the cover provided by the embodiments of the present application.

[0027] In the drawings:

[0028] 1, bottom plate; 2, fixing assembly; 21, rotating seat; 211, plug-in block; 22, fastening seat; 221, mounting portion; 222, connecting portion; 23, rotating bearing; 3, cover; 4, solid rocket engine;

[0029] 10, mounting groove; 20, plug-in groove; 30, through hole. DETAILED DESCRIPTION

[0030] The present application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, but not all the structures.

[0031] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In the present utility model, unless otherwise expressly specified and limited, the first feature is "on" or "under" the second feature, which can include direct contact of the first and second features, or indirect contact of the first and second features through another feature therebetween. Moreover, the first feature "on", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0033] In the description of the present embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0034] As shown in Figures 1 to 5 The present embodiment provides a solid rocket engine 4 paint spraying tool, which comprises a bottom plate 1 and at least one fixing assembly 2 arranged on the bottom plate 1. In the present embodiment, the plane where the bottom plate 1 is located is a horizontal plane, and the solid rocket engine 4 is fixed vertically through the fixing assembly 2. Preferably, a plurality of fixing assemblies 2 are arranged on the bottom plate 1 at intervals, for example, two, three, four, five or more fixing assemblies 2, which are arranged according to actual needs. A plurality of solid rocket engines 4 can be fixed vertically through a plurality of fixing assemblies 2 at the same time, so that a plurality of solid rocket engines 4 can be painted at the same time, thereby improving the overall production efficiency. Exemplarily, a plurality of fixing assemblies 2 are arranged in a ring on the bottom plate 1, for example, a plurality of fixing assemblies 2 form a rectangle or a circle, etc., which facilitates painting of the solid rocket engine 4 fixed by each fixing assembly 2, and avoids mutual interference.

[0035] In the present embodiment, the side of the bottom plate 1 away from the fixing assembly 2 is provided with a roller. By arranging the roller, the solid rocket engine 4 paint spraying tool can be easily moved and transported, thereby improving the convenience and flexibility of use of the solid rocket engine 4 paint spraying tool. Exemplarily, a plurality of rollers are arranged at intervals on the side of the bottom plate 1 away from the fixing assembly 2, for example, two, three, four, etc., which are arranged according to actual needs.

[0036] As shown in Figure 3As shown, specifically, the fixing assembly 2 comprises a rotating seat 21 and a fastening seat 22, the rotating seat 21 is rotatably arranged on the bottom plate 1 with the Z axis as the rotating axis, the Z axis is perpendicular to the bottom plate 1, the fastening seat 22 comprises a mounting portion 221 arranged along the Z axis direction and a connecting portion 222, the mounting portion 221 is detachably connected with the rotating seat 21, the connecting portion 222 is adjustable in size, and the connecting portion 222 is used for detachable connection with one end of the solid rocket engine 4. Through detachable connection of the mounting portion 221 with the rotating seat 21, the fastening seat 22 is convenient to replace, and replacement of the fastening seat 22 of different sizes can also be realized, so that the fixing assembly 2 is suitable for solid rocket engines 4 of different models. By connecting one end of the solid rocket engine 4 with the fastening seat 22, the solid rocket engine is vertically fixed relative to the bottom plate 1, compared with the traditional horizontal paint spraying, the occupied space can be effectively saved, that is, a plurality of fixing assemblies 2 can be arranged on one bottom plate 1 at the same time, and a plurality of solid rocket engines 4 can be painted at the same time, thereby improving the overall efficiency; and when the solid rocket engine 4 is painted, the solid rocket engine 4 can be rotated, which is convenient for uniform paint spraying and improves the paint spraying efficiency; at the same time, since the size of the connecting portion 222 is adjustable, the solid rocket engine 4 can be applied to solid rocket engines 4 of different models, so that the universality of the solid rocket engine 4 paint spraying tool is better.

[0037] In the embodiment, each fixing assembly 2 is provided with a plurality of models of fastening seats 22, the mounting portion 221 of each fastening seat 22 is uniform in size, which is convenient for universal connection with the rotating seat 21, the connecting portion 222 of the fastening seat 22 of different models is different in size, and the fastening seat 22 with the connecting portion 222 of the corresponding size is selected according to the model of the solid rocket engine 4 to be painted, so that the size of the connecting portion 222 is adjustable, that is, the solid rocket engine 4 of different models can be applied.

[0038] More specifically, the connecting portion 222 is in a cylindrical shape, which is matched with the shape of the solid rocket engine 4, an outer thread is arranged on the outer periphery of the connecting portion 222, an inner thread is arranged on one end of the solid rocket engine 4, and the outer thread is threadedly matched with the inner thread. When the solid rocket engine 4 needs to be painted, the solid rocket engine 4 is stood up and screwed into the connecting portion 222, so as to fix the solid rocket engine 4 and the solid rocket engine 4 paint spraying tool. The threaded matching mode is simple to operate and has good connection stability. Of course, in other embodiments, the connecting portion 222 and the solid rocket engine 4 can also be connected in other modes, such as plug-in connection, that is, the connecting portion 222 is directly inserted into one end of the solid rocket engine 4.

[0039] In the embodiment, the outer diameters of the connecting portions 222 of the fastening seats 22 of different models are different, and the outer diameters of each model of the fastening seats 22 are arranged according to production needs.

[0040] As shown in FIG. 1, the solid rocket engine 4 paint spraying tool comprises a plurality of fixing assemblies 2 and a plurality of solid rocket engines 4, each fixing assembly 2 is arranged on a bottom plate 1, and each solid rocket engine 4 is arranged on the fixing assembly 2. Figure 3 and Figure 4As shown, further, the rotating seat 21 is provided with a first plug-in part, and the mounting part 221 is provided with a second plug-in part, and the first plug-in part is detachably plugged with the second plug-in part. Through the plug-in cooperation of the first plug-in part and the second plug-in part, the fastening seat 22 is conveniently, quickly and accurately assembled, and the assembly time of the paint spraying tool for the solid rocket engine 4 is saved.

[0041] Exemplarily, the rotating seat 21 is provided with a mounting groove 10 at one end away from the bottom plate 1, the mounting part 221 can be clamped in the mounting groove 10, the first plug-in part is a plug-in block 211 protruding on the side wall of the mounting groove 10, the second plug-in part is a plug-in groove 20 opened on the side wall of the mounting part 221, and the plug-in block 211 is plugged with the plug-in groove 20. Through the clamping of the mounting part 221 into the mounting groove 10, the alignment and axial limiting of the fastening seat 22 and the rotating seat 21 are realized, and through the plug-in of the plug-in block 211 and the plug-in groove 20, the position of the fastening seat 22 and the rotating seat 21 is quickly fixed, that is, the circumferential limiting of the fastening seat 22 and the rotating seat 21 is realized, so that the fastening seat 22 rotates synchronously with the rotating seat 21, thereby making the solid rocket engine 4 rotate synchronously with the rotating seat 21, and ensuring the rotating smoothness and reliability of the solid rocket engine 4.

[0042] In another embodiment, the first plug-in part can also be a plug-in groove 20 opened on the outer wall of the rotating seat 21, the mounting part 221 is provided with a mounting groove 10 at one end close to the rotating seat 21, and the rotating seat 21 can be clamped in the mounting groove 10, and the second plug-in part can also be a plug-in block 211 protruding on the groove wall of the mounting groove 10, and the plug-in block 211 is plugged with the plug-in groove 20. Of course, in other embodiments, the rotating seat 21 and the mounting part 221 can also be detachably connected through other structures, such as threaded connection, etc.

[0043] Further, the rotating seat 21 is rotatably connected to the bottom plate 1 through a rotating bearing 23. The provision of the rotating bearing 23 enables the solid rocket engine 4 to smoothly rotate around the Z axis when subjected to force, while reducing the friction and improving the rotating smoothness.

[0044] Specifically, the rotating bearing 23 includes an inner ring and an outer ring rotatably sleeved, the inner ring is fixed on the bottom plate 1, and the rotating seat 21 is fixedly sleeved on the outer ring. Through the rotating cooperation of the inner ring and the outer ring, when the solid rocket engine 4 is subjected to circumferential force, the rotating seat 21 drives the outer ring to rotate relative to the inner ring, and the rotating process is relatively stable and safe. Optionally, the inner ring is connected to the bottom plate 1 through a bolt, and the outer ring is connected to the rotating seat 21 through a bolt.

[0045] As Figure 1 and Figure 5As shown, in the embodiment, the solid rocket engine 4 paint spraying tool further comprises a cover 3, the cover 3 is provided with a through hole 30, the cover 3 covers the rotating seat 21 outside and is connected with the bottom plate 1, and the end of the rotating seat 21 away from the bottom plate 1 passes through the through hole 30. Covering the rotating seat 21 by the cover 3 can protect the rotating seat 21, avoid paint sagging in the manual paint spraying process, i.e. the flowing paint can flow along the outer surface of the cover 3, and effectively prevent the paint from flowing into the gap of the solid rocket engine 4 paint spraying tool in the cover 3 to cause rotation interference after solidification, for example, the paint flowing into the rotating seat 21 and the rotating bearing 23 to cause rotation interference after solidification. Alternatively, the cover 3 and the bottom plate 1 are connected by bolts, which is convenient for disassembly and assembly.

[0046] It should be noted that the above are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A solid rocket engine paint spraying fixture, characterized by, The solid rocket engine paint spraying tool comprises a base plate and at least one fixing assembly arranged on the base plate, wherein the fixing assembly comprises: a rotating seat arranged on the base plate with the Z-axis as the rotating axis, wherein the Z-axis is perpendicular to the base plate; a fastening seat comprising a mounting portion arranged along the direction of the Z-axis and a connecting portion, wherein the mounting portion is detachably connected with the rotating seat, the connecting portion is adjustable in size, and the connecting portion is used for detachable connection with one end of the solid rocket engine.

2. The solid rocket engine painting fixture of claim 1, wherein, The rotating seat is provided with a first plug-in part, and the mounting portion is provided with a second plug-in part, wherein the first plug-in part is detachably plugged with the second plug-in part.

3. The solid rocket engine paint-jet tooling of claim 2, wherein, An installation groove is formed at one end of the rotating seat away from the base plate, and the mounting portion can be clamped in the installation groove, wherein the first plug-in part is a plug-in block protruding from the side wall of the installation groove, and the second plug-in part is a plug-in groove formed in the side wall of the mounting portion, and the plug-in block is plugged with the plug-in groove.

4. The solid rocket engine paint-jet tooling of claim 1, wherein, An outer thread is arranged on the outer periphery of the connecting portion, and an inner thread is arranged on one end of the solid rocket engine, wherein the outer thread is threadedly matched with the inner thread.

5. The solid rocket motor paint-jacketing fixture of claim 1, wherein, The rotating seat is rotatably connected with the base plate through a rotating bearing.

6. The solid rocket engine paint-jet tooling of claim 5, wherein, The rotating bearing comprises an inner ring and an outer ring rotatably sleeved, wherein the inner ring is fixed on the base plate, and the rotating seat is fixedly sleeved on the outer ring.

7. The solid rocket motor paint-jet tooling of claim 1, wherein, The solid rocket engine paint spraying tool further comprises: a cover cap, wherein a through hole is formed in the cover cap, the cover cap covers the outside of the rotating seat, and the cover cap is connected with the base plate, and one end of the rotating seat away from the base plate penetrates through the through hole.

8. The solid rocket engine paint-jet tooling of claim 7, wherein, The cover cap is connected with the base plate through bolts.

9. The solid rocket motor paint-jacketing fixture of any of claims 1-8, wherein, A plurality of fixing assemblies are arranged on the base plate in a spaced ring shape.

10. The solid rocket motor paint-jacketing fixture of any of claims 1-8, wherein, A roller is arranged on the side of the base plate away from the fixing assembly.

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