CN114132486A - Rotary actuating mechanism - Google Patents
Rotary actuating mechanism Download PDFInfo
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- CN114132486A CN114132486A CN202111329847.0A CN202111329847A CN114132486A CN 114132486 A CN114132486 A CN 114132486A CN 202111329847 A CN202111329847 A CN 202111329847A CN 114132486 A CN114132486 A CN 114132486A
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- block
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- rotary
- rotating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
- B64C13/26—Transmitting means without power amplification or where power amplification is irrelevant
- B64C13/28—Transmitting means without power amplification or where power amplification is irrelevant mechanical
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention provides a rotary actuating mechanism, comprising: the device comprises a control surface (1), a cylinder (2), a linear power source (3), a driving wedge block (4), a guide support (5), a guide block (6) and a rotating block (7); the linear power source (3) is fixedly connected with the driving wedge-shaped block (4); the driving wedge block (4) is attached to the conical surface of the guide block (6), the columnar protrusion (12) of the guide block (6) is inserted into the arc groove (16) of the rotating block (7), and the other end of the rotating block (7) is fixedly connected with the control surface (1). The linear power source (3) receives signals and drives the guide block (6) to slide in the cylinder (2) by driving the wedge-shaped block (4); the columnar bulge (12) of the guide block (6) drives the rotating block (7) to rotate along the arc groove (16), so that the control surface (1) is driven to rotate. The mechanism can realize folding and unfolding of the control surface and has the characteristics of simple structure, easy processing and forming, convenient and reliable disassembly, assembly and replacement and the like.
Description
Technical Field
The invention relates to the technical field of rotary actuating mechanisms, in particular to a rotary actuating mechanism.
Background
Because of the use demands of transportation, burial, etc., the control surface of aircraft need possess the folding function of expanding, adopts to bulge the installation torsional spring or torsion bar in the regional swell of control surface pivot in order to realize the pretightning force usually, or realizes through the form of lead screw + power supply.
However, the conventional method cannot meet the requirement due to the limitation of the aerodynamic shape and the internal space of the aircraft, and the precision requirement of the assembly process is high due to the complex technical process of the screw rod.
Disclosure of Invention
The invention provides a rotary actuating mechanism, which solves the problems that the existing rotating mode of a control surface occupies large space or the process is complex.
The invention provides a rotary actuating mechanism, comprising: the device comprises a cylinder 2, a linear power source 3, a driving wedge block 4, a guide bracket 5, a guide block 6 and a rotating block 7; wherein the content of the first and second substances,
the top of the rotating block 7 is provided with a rotating bulge for connecting the control surface 1, and the bottom of the rotating block 7 is provided with two arc grooves 16;
the rotating block 7 is arranged in the cylinder body 2, and the top end face of the cylinder body 2 is provided with a rotating limiting groove 11 of the rotating protrusion;
the two guide brackets 5 are in a little half cylinder shape, and sliding grooves 17 are formed in the middles of opposite surfaces;
the front end of the guide block 6 is a columnar bulge 12, the middle part is a sliding bulge 13, and the bottom end is a wedge-shaped part 14; the sliding protrusions 13 of the two guide blocks 6 are arranged in the sliding grooves 17 of the two guide brackets 5 in a sliding manner; the two columnar protrusions 12 are respectively arranged in the two arc grooves 16; the wedge faces of the two wedge parts 14 are arranged oppositely;
the driving wedge block 4 and the linear power source 3 are positioned at the bottom of the barrel 2, and a wedge surface 15 at the top of the driving wedge block 4 is triangular and is matched with wedge contact surfaces of the wedge parts 14 of the two guide blocks 6;
when the control surface expandes the instruction is received to sharp power supply 3, the drive of sharp power supply 3 drive wedge 4 drives guide block 6 orientation the top motion of barrel 2 promotes two guide block 6 are followed the sliding tray 17 of two guide bracket 5 separates each other, simultaneously the protruding 12 drive of column of two guide block 6 rotatory piece 7 rotates, rotatory protruding drive control surface 1 of rotatory piece 7 rotates.
Optionally, the inner wall of the cylinder 2 is step-shaped;
the outer diameter of the top of the rotating block 7 is smaller than that of the bottom; the bottom of the rotating block 7 is attached to the step of the step-shaped inner wall.
Optionally, the method further includes: a screw;
the height of the rotary projection of the rotary block 7 exceeds the rotary limiting groove 11,
the control surface 1 is provided with a clamping groove for clamping a rotary protrusion of the rotary block 7, and the clamping groove is fixedly connected with the rotary protrusion through a screw.
Optionally, the outer diameter of the bottom of the cylinder 2 is smaller than that of the middle part;
the control surface is provided with a joint 8 which is sleeved on the bottom of the barrel 2.
Optionally, after the sliding protrusions 13 of the two guide blocks 6 are attached to the sliding grooves 17 of the two guide brackets 5, a complete cylinder is formed, and the profile of the inner profile of the middle section of the cylinder 2 is consistent.
Optionally, a sliding protrusion 12 is disposed in the middle of two opposite side surfaces of each guide block 4;
the wedge surface of the bottom end of each of the guide blocks 4 is disposed on a different plane from the two opposite side surfaces.
Optionally, the side wall of the linear power source 3 is provided with an installation positioning hole 10;
the driving wedge block 4 is provided with a pin hole 9;
the linear power source 3 and the driving wedge block 4 are initially connected with the pin of the pin hole 9 in a locking way by a pin penetrating through the mounting positioning hole 10;
when the linear power source 3 moves, the pin is cut off, and the driving wedge block 4 is driven to move.
Optionally, an included angle between a connecting line of the starting point and the end point of the two arc grooves 16 is consistent with a rotation working angle of the control surface 1.
The invention provides a rotary actuating mechanism, comprising: the device comprises a control surface 1, a barrel 2, a linear power source 3, a driving wedge block 4, a guide bracket 5, a guide block 6 and a rotating block 7; the conical surfaces 15 of the linear power source 3 are attached to the two wedge-shaped parts 14 of the two guide blocks 6; the columnar bulge 12 of the guide block 6 is positioned in the arc groove 16 of the rotating block 7, and the other end of the rotating block 7 is fixedly connected with the control surface 1 through a screw. The linear power source 3 receives signals and drives the guide block bracket 5 to slide in the cylinder 2 through the guide block 6; the columnar bulge 12 of the guide block 6 drives the rotating block 7 to rotate along the arc groove 16 on the rotating block 7, so that the control surface 1 is driven to rotate, and a rotating pair is output. Can realize the folding and unfolding of the control rudder, and has the characteristics of simple structure, easy processing and forming, convenient and reliable disassembly, assembly and replacement, and the like. The problem of adopt torsional spring, torsion bar influence aerodynamic configuration is solved, the assembly process required precision that has solved simultaneously and has realized that the screw is rotatory, with high costs problem.
Drawings
FIG. 1 is a schematic view of a rotary actuator assembly provided in accordance with the present invention;
FIG. 2 is a schematic structural diagram of a control surface provided by the invention;
FIG. 3 is a schematic structural diagram of a driving wedge provided by the present invention;
FIG. 4 is a schematic view of a linear power source provided by the present invention;
FIG. 5 is a schematic structural view of a cartridge provided by the present invention;
FIG. 6 is a schematic structural view of a guide block provided in the present invention;
FIG. 7 is a schematic structural view of a rotary block provided in the present invention;
FIG. 8 is a schematic structural view of a guide bracket provided by the present invention;
FIG. 9 is a schematic structural view of the assembly of the barrel and the rotating block provided by the present invention;
FIG. 10 is a schematic view of the assembly of the guide block and the guide bracket provided by the present invention;
FIG. 11 is a schematic structural view of the assembly of the cylinder, the rotary block, the guide block and the guide bracket provided by the invention;
FIG. 12 is a schematic view of the mechanism of the present invention after assembly;
FIG. 13 is a schematic view of the mechanism provided by the present invention;
description of reference numerals:
1-a control surface; 2-a cylinder body; 3-a linear power source;
4-driving the wedge block; 5-a guide bracket; 6-a guide block;
7-rotating the block; 8-a linker; 9-pin holes;
10-installing a positioning hole; 11-rotating the limiting groove; 12-columnar protrusions;
13-sliding projection; 14-a wedge; 15-wedge surface;
16-arc groove; 17-sliding groove.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Features and illustrative embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. The present invention is in no way limited to any specific arrangement and method set forth below, but rather covers any improvements, substitutions and modifications in structure, method, and apparatus without departing from the spirit of the invention. In the drawings and the following description, well-known structures and techniques are not shown to avoid unnecessarily obscuring the present invention.
It should be noted that, in the case of conflict, the embodiments and features of the embodiments of the present invention may be combined with each other, and the respective embodiments may be mutually referred to and cited. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 13, the present invention provides a rotary actuator comprising: the device comprises a control surface 1, a barrel 2, a linear power source 3, a driving wedge block 4, a guide support 5, a guide block 6 and a rotating block 7. Wherein the content of the first and second substances,
the root of the control surface 1 is provided with a joint 8, and a groove which is sleeved with the top of the rotating block 7 is arranged in the front-end joint and is fixedly connected with the top of the rotating block through a screw; the rear end joint is arranged into a columnar through hole and is sleeved with the bottom end of the cylinder body 2;
the top end surface of the cylinder body 2 is provided with a rotary limiting groove 11 of the rotary bulge; the bottom end of the cylinder 2 is cylindrical and is sleeved with the control surface 1;
the linear power source 3 is provided with a pin installation positioning hole 10 which is fixedly connected with a pin hole 9 of the driving wedge-shaped block 4 through a pin;
a pin hole 9 is formed in the bottom of the driving wedge-shaped block 4 and is fixedly connected with an installation positioning hole 10 formed in the driving linear power source 3 through a pin; the wedge-shaped surface 15 at the top of the driving wedge block 4 is triangular and is matched and fixed with the wedge-shaped contact surfaces of the wedge-shaped parts 14 of the two guide blocks 6;
the two guide brackets 5 are in a little half cylindrical shape, and sliding grooves 17 are arranged in the middle of the opposite surfaces and are matched and fixed with the columnar protrusions 12 of the guide block 6;
the front end of the guide block 6 is a convex part 12 which is matched and fixed with the sliding grooves 17 arranged on the two guide brackets 5; the middle part of the guide block 6 is provided with a sliding bulge 13 which is matched and fixed with a sliding groove 17 arranged on the two guide brackets 5; the bottom end is a wedge-shaped part 14 which is matched and fixed with a wedge-shaped surface 15 at the top arranged at the bottom of the driving wedge-shaped block 4;
the top of the rotating block 7 is provided with a rotating bulge which is fixedly connected with the control surface 1; the bottom of the rotating block 7 is provided with two arc grooves 16 which are matched and fixed with the front end of the guide block 6 by the shaped bulge 12.
The cooperation of control surface 1, barrel 2, linear power source 3, drive wedge 4, guide bracket 5, guide block 6, rotatory piece 7 each other all adopts little clearance fit.
The invention provides a rotary actuating mechanism, which has the working principle that: the linear power source 3 receives the signal, makes linear motion and cuts off a pin fixedly connected with the driving wedge block 4; the linear power source 3 drives the driving wedge block 4 to do linear motion until the wedge surface 15 of the driving wedge block 4 is attached to the wedge part 14 of the guide block 6; the wedge block 4 is driven to drive the guide block 6 to slide, the sliding protrusion 13 of the guide block 6 slides in the sliding groove 17 of the guide block support 5, so that the columnar protrusion 12 of the guide block 6 drives the rotating block 7 to rotate around the central line through the arc groove 16 on the rotating block 7, and the control surface 1 is driven to rotate to output a rotating pair.
The invention can realize the folding and unfolding of the control rudder and has the characteristics of simple structure, easy processing and forming, convenient disassembly, assembly and replacement, reliability and the like. The problem of adopt torsional spring, torsion bar influence aerodynamic configuration is solved, the assembly process required precision that has solved simultaneously and has realized that the screw is rotatory, with high costs problem.
The assembly process of the rotary actuating mechanism provided by the invention comprises the following steps:
1) the cylinder 2 is an installation supporting seat of the whole set of rotary actuating mechanism;
2) the rotating block 7 is assembled at the top of the cylinder body 2, the root surface of the rotating protrusion of the rotating block 7 is contacted with the inner end surface of the rotating limiting groove 11 of the cylinder body, and the assembled structure is as shown in figure 9:
3) the guide blocks 6 (2 pieces in total) are subjected to planar involution and assembled with the guide supports 5 (2 pieces in total), the sliding protrusions 13 of the two guide blocks 6 are attached to the sliding grooves 17 of the two guide supports 5, and the assembled structure is shown in fig. 10:
4) the assembled assembly in fig. 10 is assembled in fig. 9, the columnar projection 12 of the guide block 6 (2 pieces in total) is arranged in the hole of the circular arc groove 13 of the rotating block 7, and the assembled structure is shown in fig. 11;
5) the linear power source 3 is installed in the driving wedge block 4 and fixedly connected by a pin, and then assembled in fig. 11 until the wedge part 14 of the guide block 6 is attached to the wedge surface 15 of the driving wedge block 4, and the assembled structure is as shown in fig. 12;
6) the assembled mechanism in fig. 11 is mounted on the control surface 1, and is fixedly connected through screws, namely the assembly is completed, and the structure is shown in fig. 13.
Claims (8)
1. A rotary actuator mechanism, comprising: the device comprises a cylinder (2), a linear power source (3), a driving wedge block (4), a guide support (5), a guide block (6) and a rotating block (7); wherein the content of the first and second substances,
the top of the rotating block (7) is provided with a rotating bulge for connecting the control surface (1), and the bottom of the rotating block (7) is provided with two arc grooves (16);
the rotating block (7) is arranged in the cylinder body (2), and the top end face of the cylinder body (2) is provided with a rotating limiting groove (11) of the rotating protrusion;
the two guide brackets (5) are in a little-half cylindrical shape, and sliding grooves (17) are formed in the middles of opposite surfaces;
the front end of the guide block (6) is a columnar bulge (12), the middle part of the guide block is a sliding bulge (13), and the bottom end of the guide block is a wedge-shaped part (14); the sliding protrusions (13) of the two guide blocks (6) are arranged in the sliding grooves (17) of the two guide brackets (5) in a sliding manner; the two columnar bulges (12) are respectively arranged in the two arc grooves (16); the wedge surfaces of the two wedge parts (14) are oppositely arranged;
the driving wedge block (4) and the linear power source (3) are positioned at the bottom of the barrel (2), and a wedge surface (15) at the top of the driving wedge block (4) is triangular and is matched with wedge contact surfaces of wedge parts (14) of the two guide blocks (6);
when rudder surface expandes the instruction is received in sharp power supply (3), sharp power supply (3) drive wedge (4) drive guide block (6) orientation the top motion of barrel (2) promotes two guide block (6) are followed sliding tray (17) alternate segregation of two guide bracket (5), simultaneously the protruding (12) of column of two guide block (6) drive rotatory piece (7) rotate, the rotatory arch of rotatory piece (7) drives rudder surface (1) and rotates.
2. The rotary actuating mechanism according to claim 1, wherein the inner wall of the cylinder (2) is stepped;
the outer diameter of the top part of the rotating block (7) is smaller than that of the bottom part; the bottom of the rotating block (7) is attached to the step of the step-shaped inner wall.
3. The rotary actuation mechanism of claim 1, further comprising: a screw;
the height of the rotary lug of the rotary block (7) exceeds the rotary limiting groove (11),
the control surface (1) is provided with a clamping groove used for clamping a rotary protrusion of the rotary block (7), and the clamping groove is fixedly connected with the rotary protrusion through a screw.
4. The rotary actuating mechanism according to claim 3, wherein the outer diameter of the bottom of the cylinder (2) is smaller than the outer diameter of the middle;
the control surface is provided with a joint (8) which is sleeved on the bottom of the barrel (2).
5. The rotary actuating mechanism according to claim 1, wherein the sliding protrusions (13) of the two guide blocks (6) are fitted with the sliding grooves (17) of the plurality of guide brackets (5) to form a complete cylinder shape, which is in accordance with the profile of the inner profile of the middle section of the cylinder (2).
6. The rotary actuator mechanism according to claim 1, characterized in that the middle of two opposite sides of each guide block (4) is provided with a sliding projection (12);
the wedge surface of the bottom end of each guide block (4) is arranged on a different surface from the two opposite side surfaces.
7. The rotary actuation mechanism according to claim 1, characterized in that the side wall of the linear power source (3) is provided with mounting positioning holes (10);
the driving wedge block (4) is provided with a pin hole (9);
the linear power source (3) and the driving wedge block (4) are in initial locking connection with a pin penetrating through the installation positioning hole (10) and the pin hole (9);
when the linear power source (3) moves, the pin is cut off, and the driving wedge block (4) is driven to move.
8. The rotary actuating mechanism according to claim 1, characterized in that the angle between the connecting line of the starting point and the end point of the two circular arc grooves (16) is consistent with the rotary working angle of the control surface (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329847.0A CN114132486B (en) | 2021-11-10 | 2021-11-10 | Rotary actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329847.0A CN114132486B (en) | 2021-11-10 | 2021-11-10 | Rotary actuating mechanism |
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| CN114132486A true CN114132486A (en) | 2022-03-04 |
| CN114132486B CN114132486B (en) | 2023-09-19 |
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| CN202111329847.0A Active CN114132486B (en) | 2021-11-10 | 2021-11-10 | Rotary actuating mechanism |
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2021
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| Publication number | Publication date |
|---|---|
| CN114132486B (en) | 2023-09-19 |
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