Steering engine two-stage speed reduction transmission structure
By using a two-stage reduction transmission structure for the servo motor, and utilizing the meshing of the worm gear, worm teeth, and gears, high speed and low torque are transformed into low speed and high torque, solving the problem of insufficient motor output torque, achieving stable control and vertical rotation of the servo wing, and avoiding damage to components.
Patent Information
- Application Number
- CN202520031986.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The motor output torque of the existing servo is insufficient, resulting in uncontrolled rudder wings, and a single gear transmission cannot achieve the conversion from horizontal rotation of the motor to vertical rotation of the rudder wings.
It adopts a two-stage reduction transmission structure, which realizes the transformation from high speed and low torque to low speed and high torque through the meshing of worm and worm teeth and the transmission of two gears. The rotation range of the worm is limited by the cooperation of the locking block, push block and stop block to ensure vertical rotation.
The problem of insufficient motor output torque was solved, stable control of the rudder was achieved, and vertical rotation of the tail fin was ensured, thus avoiding damage to components.
Smart Images
Figure CN223459845U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rudder technology field especially relates to a rudder two-stage speed reduction transmission structure. BACKGROUND
[0002] As a kind of angle accurately controlled driving device, rudder is widely used in automation equipment, robot technology, aerospace model, marine model and many other fields, so its transmission structure performance is crucial.Rudder usually adopts motor direct drive mode to drive, its advantage is that additional transmission parts are not needed, and structure is simple.But when installing dynamic sealing structure, additional parts need to be added, when rudder wing is stressed too much, it can not be controlled due to insufficient motor output torque;When the control precision of rudder angle is higher, the precision of driving motor is higher.Although single gear transmission type has the advantages of accurate transmission ratio, and the torque acting on rudder wing can be enhanced by adjusting transmission ratio, but the rotation direction of rudder wing shaft is usually different from the rotation direction of motor, so the horizontal rotation of motor cannot be converted into vertical rotation of rudder wing. SUMMARY
[0003] In view of the above-mentioned deficiencies of the prior art, the present application provides a rudder two-stage speed reduction transmission structure, which can convert high speed and low torque into low speed and high torque, solves the problem of uncontrolled rudder wing due to insufficient motor output torque, and has strong practicality.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technology:
[0005] A rudder two-stage speed reduction transmission structure, comprising: a base, a transmission assembly.
[0006] A mounting seat is provided above the base, a connecting seat is provided at the center of the bottom surface of the mounting seat, and one end of the connecting seat is connected to the center of the base;The transmission assembly comprises a plurality of transmission modules arranged uniformly along the circumferential direction of the base and located between the base and the mounting seat, the transmission module comprises a worm rotatingly installed between the base and the mounting seat, and a rotating block rotatingly installed on the side wall of the connecting seat, the end of the rotating block is provided with a worm gear, the worm and the worm gear are engaged, and the axis of the worm is parallel to the axis of the base, and the outer side of the rotating block is provided with a tail wing.
[0007] Further, the upper end of the worm is rotatingly installed in the mounting seat, and the worm is provided with a driven gear, the driven gear is engaged with a driving gear, the driving gear is rotatingly installed on the mounting seat, and is connected to the output shaft of the rotating motor, the number of teeth of the driven gear is greater than that of the driving gear.
[0008] Further, the lower end of the worm is rotatably installed in a bearing block, the bearing block is installed on the base, a side wall of the lower end of the worm is provided with a convex ring, an end face of the convex ring is provided with a clamping block, the lower end of the worm is sleeved with a rotating ring, the rotating ring is provided with a push block at the upper end and the lower end, and in application, one push block is in contact with the side face of the clamping block.
[0009] Further, the base and the mounting seat comprise a plurality of sector-shaped portions which are uniformly arranged along the circumferential direction, and the tail wing is located between two adjacent sector-shaped portions.
[0010] Further, the bottom surface of the sector-shaped portion of the mounting seat is provided with a plurality of connecting columns, and the connecting columns are connected to the sector-shaped portions of the base.
[0011] Further, the top surface of the sector-shaped portion of the mounting seat is provided with a plurality of recesses which are arranged at intervals along the circumferential direction, and the recesses are used for accommodating the driven gear and the driving gear.
[0012] The utility model has the advantages that: through the meshing of the two gears and the transmission of the worm and the worm gear, high rotation speed and low torque are converted into low rotation speed and high torque, the problem that the rudder wing is not controlled due to insufficient motor output torque is solved, and the vertical rotation of the tail wing is ensured; and through the cooperation of the clamping block, the push block and the stop block, the rotation range of the worm is limited to ±4 turns, and the damage of parts caused by excessive rotation of the worm is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings described in the present application are only used to illustrate the selected embodiments, but not all possible embodiments, and are not intended to limit the scope of the utility model.
[0014] Figure 1 It is a whole structure schematic view of the embodiment of the application.
[0015] Figure 2 It is a whole structure cross section schematic view of the embodiment of the application.
[0016] Figure 3 It is a three-dimensional schematic view of the transmission assembly of the embodiment of the application.
[0017] Figure 4 It is an installation structure schematic view of the worm and the bearing block of the embodiment of the application. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the utility model embodiments clearer, the embodiments of the utility model are described in detail below with reference to the drawings, but the embodiments described in the utility model are only part of the embodiments of the utility model, but not all the embodiments.
[0019] As Figures 1-4As shown, the present example provides a steering engine secondary reduction transmission structure, comprising: a base 1, a transmission assembly 2.
[0020] The base 1 is provided with a mounting seat 11, the bottom surface of the mounting seat 11 is provided with a connecting seat 12, one end of the connecting seat 12 is connected to the center of the base 1; the transmission assembly 2 comprises a plurality of transmission modules arranged uniformly along the circumferential direction of the base 1 and located between the base 1 and the mounting seat 11, the transmission module comprises a worm 21 rotatably mounted between the base 1 and the mounting seat 11, and a rotating block 22 rotatably mounted on the side wall of the connecting seat 12, the end of the rotating block 22 is provided with a worm gear 23, the worm 21 is engaged with the worm gear 23, and the axis of the worm 21 is parallel to the axis of the base 1, the outer side of the rotating block 22 is provided with a tail fin 3, and the rotation in the vertical direction is changed into the rotation in the horizontal direction through the cooperation of the worm 21 and the worm gear 23, so as to realize the adjustment of the position of the tail fin 3.
[0021] Specifically, the upper end of the worm 21 is rotatably mounted in the mounting seat 11, and the worm 21 is provided with a driven gear 24, the driven gear 24 is engaged with a driving gear 25, the driving gear 25 is rotatably mounted on the mounting seat 11 and connected to the output shaft of the rotating motor, the number of teeth of the driven gear 24 is greater than that of the driving gear 25, and after transmission through the driven gear 24, the high speed and low torque of the output shaft of the rotating motor is changed into the low speed and high torque of the worm 21, so as to facilitate the control of the tail fin 3.
[0022] Specifically, the lower end of the worm 21 is rotatably mounted in the bearing block 16, the bearing block 16 is mounted on the base 1, the side wall of the lower end of the worm 21 is provided with a convex ring 26, the end surface of the convex ring 26 is provided with a clamping block 27, the lower end of the worm 21 is provided with a rotating ring 28, the upper and lower ends of the rotating ring 28 are provided with a push block 29, when the worm 21 rotates, one of the push blocks 29 is in contact with the side surface of the clamping block 27, and the bearing block 16 is provided with a mounting ring 17, the top surface of the mounting ring 17 is provided with a stop block 18, with the continuous rotation of the worm 21, the other push block 29 is in contact with the side surface of the stop block 18, so as to block the continuous rotation of the worm 21, limit the rotation range of the worm 21 to ±4 turns, avoid the worm 21 from rotating too much and disengaging from the worm gear 23, and prevent the damage of the parts.
[0023] Specifically, the base 1 and the mounting seat 11 comprise a plurality of sector-shaped portions 13 arranged uniformly along the circumferential direction, and the tail fin 3 is located between two adjacent sector-shaped portions 13, so as to facilitate the storage of the tail fin 3 and avoid interference.
[0024] Specifically, the bottom surface of the sector-shaped portion 13 of the mounting seat 11 is provided with a plurality of connecting columns 14, the end of the connecting column 14 is connected to the sector-shaped portion 13 of the base 1, and the connection between the mounting seat 11 and the base 1 is more stable.
[0025] Specifically, the top surface of the sector 13 of the mounting seat 11 is provided with a plurality of recesses 15 arranged at intervals in the circumferential direction, for accommodating the driven gear 24 and the driving gear 25, reducing the possibility of external influence on the two, and protecting the meshing transmission of the driven gear 24 and the driving gear 25.
[0026] Since the above is only the preferred embodiment of the present application, and is not used to limit the present application, it is obvious that those skilled in the art can make various modifications and changes to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and changes of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and changes.
Claims
1. A steering engine two-stage reduction transmission structure, characterized by, The utility model relates to a kind of tail fin and transmission module, including: Base (1), top is equipped with mounting seat (11), the bottom surface center of mounting seat (11) is equipped with connecting seat (12), one end of connecting seat (12) is connected to the center of base (1); Transmission assembly (2), including multiple transmission modules that are arranged along the circumferential direction of base (1) evenly, and located between base (1) and mounting seat (11), the transmission module includes worm (21) rotationally installed between base (1) and mounting seat (11), and rotating block (22) rotationally installed in the side wall of connecting seat (12), the end of rotating block (22) is equipped with worm gear (23), worm (21) is engaged with worm gear (23), and the axis of worm (21) is parallel to the axis of base (1), the outside of rotating block (22) is equipped with tail fin (3).
2. The steering engine two-stage reduction transmission structure according to claim 1, characterized by, The upper end of worm (21) is rotationally installed in mounting seat (11), and driven gear (24) is installed in worm (21), driven gear (24) is engaged with driving gear (25), driving gear (25) is rotationally installed on mounting seat (11), and is connected to the output shaft of rotating motor, the number of teeth of driven gear (24) is greater than the number of teeth of driving gear (25).
3. The steering engine two-stage reduction drive structure according to claim 1, characterized by, The lower end of worm (21) is rotationally installed in bearing block (16), bearing block (16) is installed on base (1), the side wall of the lower end of worm (21) is equipped with convex ring (26), the end surface of convex ring (26) is equipped with clamping block (27), the lower end of worm (21) is equipped with rotating ring (28), rotating ring (28) is equipped with push block (29) on both ends, in use, one of push block (29) is in contact with the side surface of clamping block (27), and mounting ring (17) is arranged in bearing block (16), the top surface of mounting ring (17) is equipped with stop block (18), in use, the other push block (29) is in contact with the side surface of stop block (18).
4. The steering engine two-stage reduction transmission structure according to claim 2, characterized by, Base (1) and mounting seat (11) include sector (13) that is arranged along circumferential direction evenly, and tail fin (3) is located between two adjacent sector (13).
5. The steering engine two-stage reduction transmission structure according to claim 4, characterized by, The bottom surface of sector (13) of mounting seat (11) is equipped with multiple connecting columns (14), and the end of connecting column (14) is connected to the sector (13) of base (1).
6. The steering engine two-stage reduction drive structure according to claim 4, characterized by, The top surface of sector (13) of mounting seat (11) is equipped with multiple recesses (15) arranged along circumferential direction, for accommodating driven gear (24) and driving gear (25).