Niobium Wu spray pipe supporting tool

Abstract

The utility model relates to a Wu spray pipe supporting tool which comprises a bottom plate, a supporting cylinder and a center cylinder, cover plates are arranged at the top and the bottom of the center cylinder, a plurality of connecting rods are evenly distributed on the top and the bottom of the outer side wall of the center cylinder in the circumferential direction and arranged in the radial direction, and an annular first supporting ring is arranged at the end of the connecting rod on the upper layer. A plurality of supporting rods are arranged between the opposite faces of the first supporting ring and the second supporting ring, a spray pipe inner supporting mechanism is arranged at the top of the first supporting ring, a circle of annular plate is arranged on the outer side wall of the second supporting ring, and a plurality of fixing mechanisms used for fixing spray pipes are arranged on the circumference of the annular plate; the supporting cylinder is fixedly connected to the top of the bottom plate, a sliding groove is formed in the bottom of the annular plate, the top of the supporting cylinder is inserted into the sliding groove, the annular plate rotates at the top of the supporting cylinder through the sliding groove, a power mechanism for driving the annular plate to rotate is arranged at the top of the bottom plate, and a cooling fan is arranged at the top of the bottom plate. The supporting device is good in supporting effect and convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of nozzle processing, in particular to a niobium-tungsten nozzle support tooling. Background Technique

[0002] With the development of the aerospace industry, new liquid rockets have higher and higher requirements for the production efficiency and quality of engines. The rocket nozzle is the main component of the liquid rocket engine and also a key component that is difficult to process. A large number of longitudinal straight grooves are evenly distributed on the outer surface of the nozzle. After covering the metal skin on it, longitudinal liquid fuel channels are formed, which play the role of cooling the pipe wall and preheating the liquid fuel.

[0003] When machining the straight grooves on the outer wall of the nozzle, the nozzle needs to be supported and fixed, and at this time, a support tooling is required. Since the outer wall of the nozzle may be deformed during the straight groove machining, and the machining range of the straight grooves on the outer wall of the nozzle is large; the traditional support tooling has a simple structure, generally a support platform, and corresponding fixing mechanisms (such as bolts) are arranged on the platform to fix the workpiece. The support effect on the workpiece is general and the function is single, which is not suitable for the traditional support tooling. Summary of the Invention

[0004] The utility model aims to solve the deficiencies of the prior art and provides a niobium-tungsten nozzle support tooling.

[0005] To achieve the above object, the utility model adopts the following technical solutions: A niobium-tungsten nozzle support tooling includes a bottom plate, a support cylinder, and a central cylinder. Covers are provided at the top and bottom of the central cylinder. A plurality of connecting rods are circumferentially and radially evenly distributed at the top and bottom of the outer side wall of the central cylinder. A circular first support ring is provided at the end of the upper connecting rods, and a circular second support ring is provided at the end of the lower connecting rods. A plurality of support rods are provided between the opposite surfaces of the first support ring and the second support ring. A nozzle inner support mechanism is provided at the top of the first support ring. A circular ring plate is provided on the outer side wall of the second support ring. A plurality of fixing mechanisms for fixing the nozzle are circumferentially provided on the circular ring plate. The support cylinder is fixedly connected to the top of the bottom plate. A chute is provided at the bottom of the circular ring plate. The top of the support cylinder is inserted into the chute. The circular ring plate rotates on the top of the support cylinder through the chute. A power mechanism for driving the circular ring plate to rotate is provided on the top of the bottom plate. A heat dissipation fan is provided on the top of the bottom plate.

[0006] Specifically, the nozzle inner support mechanism includes a vertical rod and an inner support plate. The vertical rod is circumferentially fixedly connected to the top of the first support ring. The inner support plate is annular and adapted to the inner wall of the nozzle. The top of the vertical rod is fixedly connected to the inner wall of the inner support plate.

[0007] Specifically, the fixing mechanism includes a screw rod, a pressing plate, and a hand wheel. The screw rod is threadedly connected to the circular ring plate. The pressing plate is rotatably connected to the top of the screw rod. The hand wheel is fixedly connected to the bottom of the screw rod. The edge of the nozzle is placed on the circular ring plate and is fixed by pressing with the pressing plate.

[0008] Specifically, the power mechanism includes a motor and a rotating shaft. The rotating shaft is fixedly connected to the bottom cover plate of the central cylinder, the motor is fixedly connected to the top of the bottom plate, and the main shaft of the motor and the rotating shaft are driven by gears.

[0009] Specifically, several through holes are provided on the side wall of the support cylinder.

[0010] Specifically, a reinforcing diagonal rod is connected between two connecting rods corresponding to each other up and down.

[0011] The beneficial effects of the present utility model are as follows: By setting the bottom plate, support cylinder, central cylinder, cover plate, connecting rod, first support ring, second support ring, nozzle inner support mechanism, annular plate, fixing mechanism, power mechanism, and heat dissipation fan, the nozzle can be conveniently supported and fixed, and the inner wall of the nozzle can be supported, reducing the possibility of nozzle deformation, making the nozzle support effect good. Moreover, this support tooling can also drive the nozzle to rotate, facilitating the processing of different positions on the outer side wall of the nozzle. At the same time, it is convenient to dissipate heat in a timely manner during processing, with rich functions and convenient use. Description of the Drawings

[0012] Figure 1 is a cross-sectional schematic view of the present utility model;

[0013] Figure 2 is a structural schematic view of the present utility model;

[0014] In the figure: 1 - bottom plate; 2 - support cylinder; 3 - central cylinder; 4 - cover plate; 5 - connecting rod; 6 - first support ring; 7 - second support ring; 8 - support rod; 9 - annular plate; 10 - chute; 11 - heat dissipation fan; 12 - vertical rod; 13 - inner support plate; 14 - screw; 15 - pressing plate; 16 - handwheel; 17 - motor; 18 - rotating shaft; 19 - through hole; 20 - reinforcing diagonal rod;

[0015] The following will be described in detail with reference to the embodiments of the present utility model with reference to the drawings. Specific Embodiments

[0016] The present utility model will be further described below with reference to the drawings and embodiments:

[0017] As Figure 1 - Figure 2 shown, a niobium-tungsten nozzle support tooling includes a bottom plate 1, a support cylinder 2, and a central cylinder 3. Cover plates 4 are provided at the top and bottom of the central cylinder 3. A plurality of connecting rods 5 are circumferentially and radially arranged at the top and bottom of the outer side wall of the central cylinder 3. A circular first support ring 6 is provided at the end of the upper connecting rods 5, and a circular second support ring 7 is provided at the end of the lower connecting rods 5. A plurality of support rods 8 are provided between the opposite surfaces of the first support ring 6 and the second support ring 7. A reinforcing diagonal rod 20 is connected between two connecting rods 5 corresponding to each other up and down. The arrangement of the reinforcing diagonal rod 20 and the support rods 8 makes the connection between the first support ring 6, the second support ring 7, and the central cylinder 3 stable;

[0018] A nozzle inner support mechanism is provided at the top of the first support ring 6. The nozzle inner support mechanism includes a vertical rod 12 and an inner support plate 13. The vertical rod 12 is fixedly connected to the circumference of the top of the first support ring 6. The inner support plate 13 is annular and adapted to the inner wall of the nozzle. The top of the vertical rod 12 is fixedly connected to the inner wall of the inner support plate 13. The setting of the inner support plate 13 facilitates the support of the inner wall of the nozzle, and has a good support effect, reducing the possibility of deformation during the processing of the nozzle.

[0019] A circular plate 9 is provided on the outer side wall of the second support ring 7. A number of fixing mechanisms for fixing the nozzle are provided on the circumference of the circular plate 9. The fixing mechanism includes a screw 14, a pressing plate 15, and a hand wheel 16. The screw 14 is threadedly connected to the circular plate 9. The pressing plate 15 is rotatably connected to the top of the screw 14. The hand wheel 16 is fixedly connected to the bottom of the screw 14. The edge of the nozzle is placed on the circular plate 9 and is fixed by pressing with the pressing plate 15. Before fixing the nozzle, rotate the pressing plate 15 to avoid contact with the edge of the nozzle, so as not to affect the placement of the nozzle on the circular plate 9. After the nozzle is placed, rotate the pressing plate 15 above the edge of the nozzle, and then rotate the hand wheel 16 to make the pressing plate 15 move down and press the nozzle.

[0020] The support cylinder 2 is fixedly connected to the top of the bottom plate 1. A number of through holes 19 are provided on the side wall of the support cylinder 2. A sliding groove 10 is provided at the bottom of the circular plate 9. The top of the support cylinder 2 is inserted into the sliding groove 10. The circular plate 9 rotates on the top of the support cylinder 2 through the sliding groove 10. A power mechanism for driving the rotation of the circular plate 9 is provided on the top of the bottom plate 1. The power mechanism includes a motor 17 and a rotating shaft 18. The rotating shaft 18 is fixedly connected to the bottom cover plate 4 of the central cylinder 3. The motor 17 is fixedly connected to the top of the bottom plate 1, and the main shaft of the motor 17 and the rotating shaft 18 are driven by gears. A heat dissipation fan 11 is provided on the top of the bottom plate 1. When processing the outer side wall of the nozzle, it can rotate under the drive of the motor 17, which is convenient for processing different positions of the nozzle, and it is convenient for timely heat dissipation of the nozzle when the heat dissipation fan 11 is working.

[0021] When the utility model works, place the nozzle on the circular plate 9, and then rotate the hand wheel 16 to make the pressing plate 15 press and fix. After the nozzle is placed, the inner wall is supported by the inner support plate 13. When processing the outer side wall of the nozzle, it can rotate under the action of the motor 17, and heat dissipation can also be carried out through the heat dissipation fan 11 during this period. The utility model has a good support effect during the processing of the nozzle, is convenient for rotation and heat dissipation, and is easy to use.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the present utility model.

[0023] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0024] In the present utility model, unless otherwise clearly specified and limited, the terms "mounted", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] The above has made an exemplary description of the present utility model in conjunction with the drawings. Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various improvements are made by adopting the method concept and technical solution of the present utility model, or directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.

Claims

1. A niobium-tungsten nozzle support tooling, characterized in that, It includes a bottom plate (1), a support cylinder (2), and a central cylinder (3). Cover plates (4) are provided at the top and bottom of the central cylinder (3). A number of connecting rods (5) are circumferentially and radially arranged at the top and bottom of the outer side wall of the central cylinder (3). A circular first support ring (6) is provided at the end of the upper connecting rods (5), and a circular second support ring (7) is provided at the end of the lower connecting rods (5). A number of support rods (8) are provided between the opposite surfaces of the first support ring (6) and the second support ring (7). A nozzle inner support mechanism is provided at the top of the first support ring (6). A circular ring plate (9) is provided on the outer side wall of the second support ring (7). A number of fixing mechanisms for fixing the nozzle are circumferentially arranged on the circular ring plate (9). The support cylinder (2) is fixedly connected to the top of the bottom plate (1). A chute (10) is provided at the bottom of the circular ring plate (9). The top of the support cylinder (2) is inserted into the chute (10). The circular ring plate (9) rotates on the top of the support cylinder (2) through the chute (10). A power mechanism for driving the circular ring plate (9) to rotate is provided on the top of the bottom plate (1). A heat dissipation fan (11) is provided on the top of the bottom plate (1).

2. The niobium-tungsten nozzle support tooling according to claim 1, characterized in that, The nozzle inner support mechanism includes a vertical rod (12) and an inner support plate (13). The vertical rod (12) is circumferentially fixedly connected to the top of the first support ring (6). The inner support plate (13) is annular and adapted to the inner wall of the nozzle. The top of the vertical rod (12) is fixedly connected to the inner wall of the inner support plate (13).

3. A niobium-tungsten nozzle support tooling according to claim 2, characterized in that The fixing mechanism includes a screw (14), a pressing plate (15), and a handwheel (16). The screw (14) is threadedly connected to the circular ring plate (9). The pressing plate (15) is rotatably connected to the top of the screw (14). The handwheel (16) is fixedly connected to the bottom of the screw (14). The edge of the nozzle is placed on the circular ring plate (9) and is tightly fixed by the pressing plate (15).

4. A niobium-tungsten nozzle support tooling according to claim 3, characterized in that The power mechanism includes a motor (17) and a rotating shaft (18). The rotating shaft (18) is fixedly connected to the bottom cover plate (4) of the central cylinder (3). The motor (17) is fixedly connected to the top of the bottom plate (1), and the main shaft of the motor (17) and the rotating shaft (18) are driven by gears.

5. A niobium-tungsten nozzle support tooling according to claim 4, characterized in that, A number of through holes (19) are provided on the side wall of the support cylinder (2).

6. The niobium-tungsten nozzle support tooling according to claim 5, wherein A reinforcing diagonal rod (20) is connected between the two upper and lower corresponding connecting rods (5).

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