阅读说明：本技术 一种模块尾舱及舵控传动机构 (Module tail cabin and rudder control transmission mechanism ) 是由 何爱颖 陈景鹏 张伟方 谢雪明 张肖肖 石亦琨 于 2021-07-08 设计创作，主要内容包括：本发明公开一种一种模块化尾舱及舵控传动机构。尾舱及尾舱舵控传动机构包括尾舱壳体、舵机安装座、舵机、空气舵、燃气舵、连杆组件等；舵机安装座固定连接在尾舱壳体上,舵机一端通过销轴与舵机安装座铰接,并通过销轴可进行摆动；另一端与连杆组件通过销轴连接,舵机的输出方式为直线输出方式；空气舵通过轴套及轴端锁紧螺母连接在尾舱壳体上；燃气舵通过燃气舵支架连接在尾舱壳体后端框上；连杆组件可将舵机的直线运动转化为空气舵与燃气舵的同步转动。该机构简单紧凑,各零部件紧贴在尾舱壳体内壁,并在发动机喷管的最大外包络线外,尾舱内部设备安装调试后,直接与发动机进行连接,实现箭体模块化装配。(The invention discloses a modularized tail cabin and a rudder control transmission mechanism. The tail cabin and the tail cabin rudder control transmission mechanism comprise a tail cabin shell, a steering engine mounting seat, a steering engine, an air rudder, a gas rudder, a connecting rod assembly and the like; the steering engine mounting seat is fixedly connected to the tail cabin shell, and one end of the steering engine is hinged to the steering engine mounting seat through a pin shaft and can swing through the pin shaft; the other end of the steering engine is connected with the connecting rod assembly through a pin shaft, and the output mode of the steering engine is a linear output mode; the air rudder is connected to the tail cabin shell through a shaft sleeve and a shaft end locking nut; the gas rudder is connected to the rear end frame of the tail cabin shell through a gas rudder bracket; the connecting rod assembly can convert the linear motion of the steering engine into synchronous rotation of the air rudder and the gas rudder. The mechanism is simple and compact, all parts are tightly attached to the inner wall of the tail cabin shell and outside the maximum outer envelope line of the engine spray pipe, and after the internal equipment of the tail cabin is installed and debugged, the mechanism is directly connected with an engine, so that the rocket body is assembled in a modularized mode.)

1. The utility model provides a modularization tail cabin and rudder accuse drive mechanism which characterized in that: the mechanism mainly comprises a tail cabin shell 2, a controller 3, a steering engine mounting seat 4, a steering engine 5, an air rudder 1, a connecting rod assembly 6, a gas rudder 7 and the like.

2. The trunk housing 2 of claim 1, wherein: a steering engine mounting boss 201, an air rudder mounting hole 202, an instrument mounting boss 203 and the like are processed on the inner wall of the tail cabin shell 3, and the controller 3 is mounted on the instrument mounting boss 203 through screws; the steering engine mounting seat 4 is mounted on the steering engine mounting boss 201 through screws.

3. The steering engine 5 of claim 1, wherein: the output mode of the steering engine 5 is linear output, the steering engine 5 is hinged on the steering engine mounting seat 4 through a pin shaft 9, and can swing through the pin shaft 9; an output shaft of the steering engine 5 is hinged with the connecting rod assembly through a pin shaft; the connecting rod assembly winds the air rudder shaft O₃When rotating in positive and negative directions, the steering engine rotates around the rotating shaft O₁Swinging left and right; when the steering engine rotates around the rotating shaft O₁When swinging left and right, the tail cabin shell can not touch the structure and the instrument equipment inside the tail cabin shell.

4. The connecting-rod assembly 6 according to claim 1, wherein: the connecting rod assembly 6 comprises a connecting rod I601, a connecting rod 602, a pin puller 603, a sleeve 604, a connecting rod II605 and the like; the side link I601 is fixedly connected with the air rudder 1 through a taper pin I10, and the side link I601 is respectively hinged with an output shaft of the steering engine 5 and a connecting rod 602; the steering engine 5 and the connecting rod 602 can be arranged on an air rudder shaft O according to the actual installation space and the load size₃Is arranged at two sides and is connected with one end O of the steering engine 5₂O₃According to the larger space design, a larger selection space is provided for the model selection of the steering engine 5; one end O of the connecting rod 602₂O₃The design is small, so that the structure is more compact, and the transmission efficiency is higher.

5. The connecting rod 602 and sleeve 604 of claims 1 and 4, wherein: one end of the connecting rod 602 is hinged with the side link I, the other end is fixedly connected with the sleeve 604 through the pin puller 603, and the other end of the sleeve 604 is hinged with the side link II 605.

6. Side link II605 according to claims 1, 4, characterized in that: the side link II605 is fixedly connected with the gas rudder 7 through a taper pin II11 and is hinged with the sleeve 604; distance O between two rotation centers of side link II605₅O₆Distance O between the two rotating centers of the side link I601₃O₄Equal to, O₃O₆And O₄O₅Distances are equal, O₃O₆O₄O₅The parallel double-crank structure is formed, the air rudder and the gas rudder can rotate simultaneously, and the rotating angular speeds are equal.

7. The pin extractor 603 of claims 1 and 4, further comprising: the pin puller 603 is arranged on the sleeve 604 and connects the connecting rod 602 and the sleeve 604 into a whole; when the arrow body reaches a certain flying speed, the pin puller 603 is pulled out from the connecting rod 602, so that the steering engine only controls the air rudder to realize the attitude control of the arrow body.

8. The air vane 1 of claim 1, characterized in that: the air rudder 1 is arranged in an air rudder mounting hole 202 of the tail cabin shell 2 through a shaft sleeve I12, a shaft sleeve II13 and a locking nut 15, and a stop washer 14 is respectively clamped on a stop groove 105 and the locking nut of the air rudder 1 to prevent the locking nut 15 from loosening in the continuous forward and reverse rotation process of the air rudder 1; the structure of the air vane 1 can be integrally processed and formed by a hard shell structure, or a skin skeleton structure, and can also be a honeycomb sandwich structure, and a proper processing mode is selected according to the flight requirement and the load size of an arrow body.

9. A gas rudder assembly (7) as claimed in claim 1 wherein: the gas rudder 7 is fixedly connected to the rear end face of the tail cabin shell 2 through a gas rudder support 701, and an air rudder shaft and the gas rudder shaft are ensured to be in a mounting face through a limiting device.

10. The stern rudder drive of claim 1, wherein: all parts in the tail cabin are tightly attached to the inner wall of the tail cabin and are outside the maximum outer envelope line of the engine spray pipe 8, so that direct butt joint with an engine after installation and debugging of equipment in the tail cabin are completed can be realized, and modularized assembly of the rocket body is realized.

Technical Field

The invention belongs to the technical field of carrier rockets and the like, and particularly relates to a module tail cabin and rudder control transmission mechanism.

Background

The tail cabin is the last cabin body of the rocket structure and is connected with a rear flange of the engine through bolts to wrap the engine spray pipe and protect the engine spray pipe from being damaged by external machinery in the storage and transportation processes; the jet pipe is not impacted by external air flow in the flying process, so that the jet pipe is prevented from being blown to be damaged by the air flow; the tail cabin is also used as an installation space of instrument equipment, a steering engine, a gas rudder, an air rudder, a transmission system and a power supply of a vector control system are installed, and the instrument equipment of the control system and other systems is installed.

Because the diameter of the outlet of the engine spray pipe is larger than that of the throat, if the diameter of the instrument in the tail cabin is larger, the tail cabin shell needs to be installed on the engine firstly, and then the instrument in the tail cabin is installed and debugged.

Disclosure of Invention

In order to solve the problems, the invention provides a module tail cabin and a rudder control transmission mechanism which are simple and compact, high in transmission efficiency, convenient to install and beneficial to modularized assembly of an arrow body.

The tail cabin and the tail cabin rudder control transmission mechanism mainly comprise a tail cabin shell, a steering engine mounting seat, a steering engine, a connecting rod assembly, an air rudder, a gas rudder, a battery, a controller and the like; the battery, the controller and the steering engine mounting seat are connected to the inner wall of the tail cabin shell; the steering engine is connected to the steering engine mounting seat; the air rudder is fixed on the inner wall of the tail cabin shell through a shaft sleeve and a locking nut; the gas rudder is connected to the rear end face of the tail cabin shell through a gas rudder bracket; the connecting rod assembly converts the linear motion of the steering engine into the rotary motion of the gas rudder and the air rudder, and ensures that the gas rudder and the air rudder rotate synchronously.

The output mode of the steering engine is linear output, one end of the steering engine is hinged to the steering engine mounting seat through a pin shaft, and the steering engine can swing through the pin shaft; the other end is hinged with the connecting rod component through a pin shaft;

the connecting rod assembly consists of a connecting rod I, a connecting rod II, a connecting rod, a sleeve and a pin puller, wherein the connecting rod I is fixedly connected with the air rudder shaft through a conical pin, and two ends of the connecting rod I are respectively hinged with the output shaft of the steering engine and the connecting rod; the connecting frame rod II is fixedly connected with the rudder shaft of the gas rudder through a conical pin and is hinged with the sleeve through a pin shaft; the connecting rod and the sleeve are connected into a whole through the pin puller; the connecting rod assembly adopts a parallel double-crank structure, so that the air rudder and the gas rudder can rotate in the same direction and at the same rotating speed; when the arrow body reaches a certain flying speed, the pin puller is pulled out of the connecting rod, and the steering engine only controls the air rudder to realize the attitude control of the arrow body.

The mechanism is simple and compact, all parts are tightly attached to the inner wall of the tail cabin and are outside the maximum outer envelope line of the engine spray pipe, direct butt joint with an engine after installation and debugging of equipment in the tail cabin can be achieved, and modularized assembly of the rocket body is achieved.

Drawings

FIG. 1 is a view showing the structure of the present invention

FIG. 2 is a structure diagram of the rudder-controlled transmission of the present invention

FIG. 3 is a connection structure of an air rudder and a gas rudder

FIG. 4 is a view of the structure of the tail tank shell

FIG. 5 is a view of the structure of an air vane

FIG. 6 is a gas vane connection structure view

The device comprises an air rudder 1, a tail cabin 2, a controller 3, a steering engine mounting seat 4, a steering engine 5, a connecting rod assembly 6, a gas rudder 7, an engine spray pipe 8, a pin shaft 9, a taper pin I10, a taper pin II11, an air rudder shaft sleeve I13, an air rudder shaft sleeve II, a stop washer 14 and a locking nut 15;

101-air rudder shaft, 102-air rudder skeleton, 103-upper skin, 104-lower skin and 105-stop groove;

201-a steering engine mounting boss, 202-an air vane mounting hole and 203-an instrument mounting boss;

601-side link I, 602-connecting rod, 603-pin puller, 604-sleeve, 605-side link II;

701-a gas rudder support, 702-a gas rudder shaft, 703-a gas rudder, 704-a shaft end retainer ring and 705-a shaft sleeve;

Detailed Description

The invention is described in detail below by way of example with reference to the accompanying drawings.

As shown in fig. 1 to 6, the invention provides a module tail cabin and rudder control transmission mechanism, which mainly comprises a tail cabin shell 2, a controller 3, a steering engine mounting seat 4, an air rudder 1, a steering engine 5, a connecting rod assembly 6, a gas rudder 7 and the like;

the controller 3 is fixedly connected to an instrument mounting boss 203 of the tail cabin shell 2, and the steering engine mounting seat 4 is fixedly connected to a steering engine mounting boss 201 of the tail cabin shell 2;

the output mode of the steering engine 5 is linear output, and the steering engine 5 is hinged on the steering engine mounting seat 4 through a pin shaft 9 and can swing through the pin shaft; an output shaft of the steering engine 5 is hinged with the connecting rod assembly through a pin shaft;

the connecting rod assembly 6 comprises a side link I601, a connecting rod 602, a pin puller 603, a sleeve 604, a connecting rod II605 and the like, wherein the side link I601 is fixedly connected with the air rudder 1 through a taper pin I10, and two ends of the side link I601 are respectively hinged with an output shaft of the steering engine 5 and the connecting rod 602; the side link II605 is fixedly connected with the gas rudder 7 through a taper pin II11 and is hinged with the sleeve 604; the connecting rod 602 and the sleeve 604 are connected into a whole through a pin puller 603; the connecting rod assembly adopts a parallel double-crank structure, so that the air rudder and the gas rudder can rotate in the same direction and at the same rotating speed; when the arrow body reaches a certain flying speed, the pin puller 603 is pulled out of the connecting rod 602, so that the gas rudder 7 is not controlled by the steering engine 5, and at the moment, the steering engine 5 only controls the air rudder 1 to realize the attitude control of the arrow body.

The air rudder 1 is arranged in an air rudder mounting hole 202 of the tail cabin shell 2 through a shaft sleeve I12, a shaft sleeve II13 and a locking nut 15, and a stop washer 14 is respectively clamped on a stop groove 105 and the locking nut of the air rudder 1 to prevent the locking nut 15 from loosening in the continuous forward and reverse rotation process of the air rudder; the structure of the air vane 1 can be integrally formed by a monocoque structure or a skin skeleton structure, as shown in fig. 5, a honeycomb sandwich structure can be adopted, and a proper processing mode is selected according to the flight requirement and the load of the rocket body.

The gas rudder 7 is fixedly connected to the rear end face of the tail cabin shell 2 through a gas rudder support 701, and the air rudder shaft and the gas rudder shaft are ensured to be in a mounting surface through a limiting groove, and the structure and the connection mode of the gas rudder are shown in fig. 6.