CN221068441U - Novel straight-line steering engine anti-torsion mechanism - Google Patents
Novel straight-line steering engine anti-torsion mechanism Download PDFInfo
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- CN221068441U CN221068441U CN202322080035.8U CN202322080035U CN221068441U CN 221068441 U CN221068441 U CN 221068441U CN 202322080035 U CN202322080035 U CN 202322080035U CN 221068441 U CN221068441 U CN 221068441U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of linear steering engines, in particular to a novel linear steering engine torsion preventing mechanism, which comprises a box body, wherein the box body comprises a gear box, the bottom end of the gear box is fixedly connected with a box cover, the inner side of the gear box is provided with a bearing mounting seat, and the top end of the bearing mounting seat is fixedly connected with a shell. According to the utility model, the motor and the controller assembly drive the first gear to rotate, and then the second gear and the third gear are matched, so that the ball screw can rotate, the screw nut can move linearly up and down under the matching action of the anti-rotation sleeve shaft, the deep groove ball bearing and the sliding rail, the telescopic shaft is driven to move along with the screw nut, the outer ring of the deep groove ball bearing rolls up and down along with the screw nut on the sliding rail, a sliding mode of a traditional linear steering engine sliding block can be replaced, friction force can be reduced, and the influence of friction force on internal transmission efficiency of the linear steering engine is reduced.
Description
Technical Field
The utility model relates to the technical field of linear steering engines, in particular to a novel linear steering engine torsion preventing mechanism.
Background
In the second decade of the twenty-first century, unmanned aerial vehicles developed rapidly, and unmanned aerial vehicles of various configurations emerged endlessly. The helicopter is characterized by being capable of performing maneuvering flight with low altitude (a few meters away from the ground), low speed (from hovering) and unchanged nose direction, and particularly being capable of vertically taking off and landing on a small-area field. Because of the characteristics, the novel fluorescent dye has wide application and development prospect.
The steering engine is mainly a linear steering engine, and is mainly considered to be matched with the original link mechanism in convenience and the linearity of operation.
The linear steering engine on the market basically is realized by means of the fact that the torsion-preventing part slides on the track, sliding friction can increase thrust loss, sliding part abrasion is caused, accuracy can be reduced or even failure occurs after the sliding part abrasion, and adverse effects can be caused on response speed and accuracy of the linear steering engine when friction force is overlarge, so that a novel linear steering engine torsion-preventing mechanism is needed to be designed.
Disclosure of utility model
The utility model aims to provide a novel linear steering engine torsion preventing mechanism, which solves the problems that the sliding friction provided in the background art can increase thrust loss and cause abrasion of sliding parts, the precision of the sliding parts after abrasion can be reduced or even the sliding parts lose efficacy, and the response speed and the precision of the linear steering engine can be adversely affected when the friction force is overlarge.
In order to achieve the above purpose, the utility model provides the following technical scheme,
The novel linear steering engine torsion preventing mechanism comprises a box body, wherein the box body comprises a gear box, the bottom end of the gear box is fixedly connected with a box cover, the inner side of the gear box is provided with a bearing mounting seat, the top end of the bearing mounting seat is fixedly connected with a shell, the upper surface of the shell is fixedly connected with a lower cover, the upper surface of the lower cover is fixedly connected with an upper cover plate, the lower cover and the upper cover plate are both fixed through bolts and the shell, the inner side of the shell is movably connected with a telescopic shaft, and the telescopic shaft is movably connected with the lower cover and the upper cover plate;
The anti-torsion mechanism is arranged on the inner side of the shell and comprises a ball screw, the ball screw is movably connected on the inner side of the shell, a screw nut is movably connected on the surface of the ball screw, and the telescopic shaft is fixedly connected on the upper surface of the screw nut.
Preferably, the anti-torsion mechanism further comprises a motor and a controller assembly, the motor and the controller assembly are fixedly arranged on the upper surface of the gear box, a first gear is movably connected to the inner side of the gear box, the first gear is fixedly connected with the output end of the motor and the controller assembly, a second gear is movably connected to the inner side of the gear box, a third gear is movably connected to the inner side of the motor and the controller assembly, the ball screw is fixedly connected with the third gear, the ball screw is movably connected with a bearing mounting seat, a rotation preventing sleeve shaft is fixedly connected to the surface of the screw nut, a deep groove ball bearing is sleeved on the surface of the rotation preventing sleeve shaft, and a sliding rail is arranged on the inner wall of the shell.
Preferably, the screw nut is connected to the ball screw and moves linearly up and down by rotation of the ball screw, and the telescopic shaft is fixed to the screw nut and moves up and down together with the screw nut.
Preferably, the anti-rotation sleeve shaft is fixed on the screw nut, the inner ring of the deep groove ball bearing is fixed on the anti-rotation sleeve shaft, and the outer ring can roll up and down along with the screw nut on the sliding rail.
Preferably, an auxiliary mechanism is arranged on the surface of the shell and comprises a potentiometer fixedly connected to the surface of the gear box, a dustproof sealing ring is fixedly connected to the inner wall of the upper cover plate, and a copper guide sleeve is fixedly connected to the inner wall of the lower cover plate.
Preferably, the potentiometer is fixed on one side of the shell far away from the motor and the controller assembly, the dustproof sealing ring is arranged in an inner ring groove of the upper cover plate and is contacted with the outer ring of the telescopic shaft, and the copper guide sleeve is arranged in an inner groove formed by surrounding the lower cover and the upper cover plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. Through motor and controller subassembly drive first gear rotation, the effect of cooperation second gear and third gear again can realize that ball screw takes place to rotate, and then screw-nut is preventing changeing the linear motion about the cooperation effect of sleeve axle, deep groove ball bearing and slide rail to drive the telescopic shaft and move thereupon, roll along with screw-nut's upper and lower on the slide rail through the outer lane of deep groove ball bearing, can replace traditional straight line steering wheel slider gliding mode, can reduce frictional force, and then reduce the influence of frictional force to the inside transmission efficiency of straight line steering wheel.
2. Through the setting of potentiometer, can detect the position of lead screw nut to judge through the position to lead screw nut, realize feeding back the position information of lead screw nut for motor and controller subassembly, thereby realize controlling motor and controller subassembly, can improve the precision of sharp steering wheel, also can reduce sharp steering wheel overall cost, contact with the outer lane of telescopic shaft through dustproof sealing washer simultaneously, can play dustproof effect, be favorable to guaranteeing sharp steering wheel steady operation, the setting of copper guide pin bushing can provide motion track and direction for the telescopic shaft, the telescopic shaft of being convenient for is better moves about, thereby better output as sharp steering wheel.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic elevational cross-sectional view of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: 1. a gear box; 11. a case cover; 12. a bearing mounting seat; 13. a housing; 14. a lower cover; 15. an upper cover plate; 16. a telescopic shaft; 2. a motor and controller assembly; 21. a first gear; 22. a second gear; 23. a third gear; 24. a ball screw; 25. a screw nut; 26. an anti-rotation sleeve shaft; 27. deep groove ball bearings; 28. a slide rail; 3. a potentiometer; 31. a dust-proof sealing ring; 32. and a copper guide sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided:
The novel linear steering engine torsion preventing mechanism comprises a box body, wherein the box body comprises a gear box 1, a box cover 11 is fixedly connected to the bottom end of the gear box 1, a bearing mounting seat 12 is arranged on the inner side of the gear box 1, a shell 13 is fixedly connected to the top end of the bearing mounting seat 12, a lower cover 14 is fixedly connected to the upper surface of the shell 13, an upper cover plate 15 is fixedly connected to the upper surface of the lower cover 14, the lower cover 14 and the upper cover plate 15 are both fixed through bolts and the shell 13, a telescopic shaft 16 is movably connected to the inner side of the shell 13, the telescopic shaft 16 is movably connected with the lower cover 14 and the upper cover plate 15, and the arrangement of the shell 13 can be used for supporting and protecting parts inside the telescopic shaft;
The inside of shell 13 is provided with prevents torsion mechanism, prevents torsion mechanism including ball screw 24, ball screw 24 swing joint in the inboard of shell 13, and ball screw 24's surface swing joint has screw nut 25, and telescopic shaft 16 fixed connection is at the upper surface of screw nut 25, through ball screw 24's rotation, can drive screw nut 25 and reciprocate, and then can realize telescopic shaft 16 and carry out rectilinear motion to move the motion output who is the straight line steering wheel through telescopic shaft 16.
Further, the anti-torsion mechanism further comprises a motor and controller assembly 2, the motor and controller assembly 2 is fixedly arranged on the upper surface of the gear box 1, a first gear 21 is movably connected to the inner side of the gear box 1, a second gear 22 is fixedly connected to the inner side of the gear box 1, a third gear 23 is movably connected to the inner side of the motor and controller assembly 2, a ball screw 24 is fixedly connected with the third gear 23, the ball screw 24 is movably connected with a bearing mounting seat 12, an anti-rotation sleeve shaft 26 is fixedly connected to the surface of the screw nut 25, a deep groove ball bearing 27 is sleeved on the surface of the anti-rotation sleeve shaft 26, a sliding rail 28 is arranged on the inner wall of the outer shell 13, and the outer ring of the deep groove ball bearing 27 can conveniently roll along with the upper and lower sides of the screw nut 25 through the opening of the sliding rail 28, so that the movement direction of the screw nut 25 can be provided.
Further, the screw nut 25 is connected to the ball screw 24 and moves linearly up and down by the rotation of the ball screw 24, the telescopic shaft 16 is fixed to the screw nut 25 and moves up and down together with the screw nut, the screw nut 25 is movably connected to the surface of the ball screw 24, and the screw nut 25 can move linearly up and down by the rotation of the ball screw 24, so that the telescopic shaft 16 can move up and down conveniently.
Further, the anti-rotation sleeve shaft 26 is fixed on the screw nut 25, the inner ring of the deep groove ball bearing 27 is fixed on the anti-rotation sleeve shaft 26, the outer ring can roll up and down along with the screw nut 25 on the sliding rail 28, and the influence of friction force on the internal transmission efficiency of the linear steering engine can be reduced through the matching action of the anti-rotation sleeve shaft 26 and the deep groove ball bearing 27.
Further, the surface of shell 13 is provided with assist mechanism, and assist mechanism includes potentiometer 3, and potentiometer 3 fixed connection is at the surface of gear box 1, and upper cover plate 15's inner wall fixedly connected with dust seal circle 31, and lower cover 14's inner wall fixedly connected with copper guide pin bushing 32 can be used to detect the motion displacement of lead screw nut 25 through potentiometer 3's setting to judge the real-time position of lead screw nut 25 to feedback to motor and controller subassembly 2, realize judging whether lead screw nut 25 and telescopic shaft 16 reach the instruction position.
Further, the potentiometer 3 is fixed on one side of the housing 13 far away from the motor and controller assembly 2, the dustproof sealing ring 31 is arranged in the inner ring groove of the upper cover plate 15 and contacts with the outer ring of the telescopic shaft 16, the copper guide sleeve 32 is arranged in the inner groove formed by the lower cover 14 and the upper cover plate 15, and the arrangement of the copper guide sleeve 32 can provide a movement track and a movement direction for the telescopic shaft 16.
Working principle: when the telescopic shaft 16 is used, the output end of the motor and controller assembly 2 is electrically connected with the input end of an external power supply through a lead, a worker starts the motor and controller assembly 2 through a push switch, the motor and controller assembly 2 operates to drive the first gear 21 to rotate, the second gear 22 rotates under the action of the first gear 21 and drives the third gear 23 to rotate, the third gear 23 rotates to enable the ball screw 24 to rotate, the screw nut 25 further moves linearly under the action of the deep groove ball bearing 27 and the sliding rail 28, the outer ring of the deep groove ball bearing 27 rolls on the sliding rail 28, and accordingly the telescopic shaft 16 moves linearly to serve as the movement output end of the linear steering engine;
The surface contact of the dustproof sealing ring 31 and the telescopic shaft 16 is used for realizing dust prevention, the copper guide sleeve 32 is used for providing a moving track and a moving direction for the telescopic shaft 16, the potentiometer 3 can be used for detecting the moving displacement of the screw nut 25 and judging the real-time position of the screw nut 25, so that whether the screw nut 25 and the telescopic shaft 16 reach the instruction position or not is judged, the instruction position is fed back to the motor and controller assembly 2, and if the instruction position is not reached, the instruction position is readjusted to the set position.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a novel torsion mechanism is prevented to straight line steering wheel, includes box, the box includes gear box (1), the bottom fixedly connected with case lid (11) of gear box (1), the inboard of gear box (1) is provided with bearing mount pad (12), the top fixedly connected with shell (13) of bearing mount pad (12), the upper surface fixedly connected with lower cover (14) of shell (13), the upper surface fixedly connected with upper cover plate (15) of lower cover (14), lower cover (14) and upper cover plate (15) are all fixed through bolt and shell (13), the inboard swing joint of shell (13) has telescopic shaft (16), telescopic shaft (16) and lower cover (14) and upper cover plate (15) swing joint;
The anti-torsion mechanism is characterized in that the inner side of the shell (13) is provided with the anti-torsion mechanism, the anti-torsion mechanism comprises a ball screw (24), the ball screw (24) is movably connected to the inner side of the shell (13), the surface of the ball screw (24) is movably connected with a screw nut (25), and the telescopic shaft (16) is fixedly connected to the upper surface of the screw nut (25);
The anti-torsion mechanism further comprises a motor and controller assembly (2), the motor and controller assembly (2) is fixedly arranged on the upper surface of the gear box (1), a first gear (21) is movably connected to the inner side of the gear box (1), the first gear (21) is fixedly connected with the output end of the motor and controller assembly (2), a second gear (22) is movably connected to the inner side of the gear box (1), a third gear (23) is movably connected to the inner side of the motor and controller assembly (2), a ball screw (24) is fixedly connected with the third gear (23), the ball screw (24) is movably connected with a bearing mounting seat (12), an anti-rotation sleeve shaft (26) is fixedly connected to the surface of the screw nut (25), a deep groove ball bearing (27) is sleeved on the surface of the anti-rotation sleeve shaft (26), and a sliding rail (28) is arranged on the inner wall of the shell (13);
The surface of shell (13) is provided with assist mechanism, assist mechanism includes potentiometer (3), potentiometer (3) fixed connection is at the surface of gear box (1), the inner wall fixedly connected with dustproof sealing washer (31) of upper cover plate (15), the inner wall fixedly connected with copper guide pin bushing (32) of lower cover (14).
2. The novel linear steering engine torsion preventing mechanism according to claim 1, wherein: the screw nut (25) is connected to the ball screw (24) and moves linearly up and down by rotation of the ball screw (24), and the telescopic shaft (16) is fixed to the screw nut (25) and moves up and down together with it.
3. The novel linear steering engine torsion preventing mechanism according to claim 1, wherein: the anti-rotation sleeve shaft (26) is fixed on the screw nut (25), the inner ring of the deep groove ball bearing (27) is fixed on the anti-rotation sleeve shaft (26), and the outer ring can roll up and down along with the screw nut (25) on the sliding rail (28).
4. The novel linear steering engine torsion preventing mechanism according to claim 1, wherein: the potentiometer (3) is fixed on one side, far away from the motor and the controller assembly (2), of the shell (13), the dustproof sealing ring (31) is arranged in an inner ring groove of the upper cover plate (15) and is contacted with an outer ring of the telescopic shaft (16), and the copper guide sleeve (32) is arranged in an inner groove formed by surrounding the lower cover (14) and the upper cover plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322080035.8U CN221068441U (en) | 2023-08-02 | 2023-08-02 | Novel straight-line steering engine anti-torsion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322080035.8U CN221068441U (en) | 2023-08-02 | 2023-08-02 | Novel straight-line steering engine anti-torsion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221068441U true CN221068441U (en) | 2024-06-04 |
Family
ID=91256358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322080035.8U Active CN221068441U (en) | 2023-08-02 | 2023-08-02 | Novel straight-line steering engine anti-torsion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221068441U (en) |
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2023
- 2023-08-02 CN CN202322080035.8U patent/CN221068441U/en active Active
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