CN218236021U - Servo steering wheel with adjustable tooth side clearance - Google Patents
Servo steering wheel with adjustable tooth side clearance Download PDFInfo
- Publication number
- CN218236021U CN218236021U CN202223018306.9U CN202223018306U CN218236021U CN 218236021 U CN218236021 U CN 218236021U CN 202223018306 U CN202223018306 U CN 202223018306U CN 218236021 U CN218236021 U CN 218236021U
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- bevel gear
- gear
- wave generator
- output shaft
- servo steering
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
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- 239000010959 steel Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
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Abstract
The utility model discloses a flank clearance adjustable servo steering wheel, including motor mechanism and flexbile gear system, the flexbile gear system sets up in motor mechanism's output, adopts threaded connection and adopts the round pin axle location between the input structure of output shaft coaxial line and the wave generator of flexbile gear system in the flexbile gear system. The utility model discloses a mode of screw thread and round pin cooperation installation adjusts the installation relation between bevel gear and the cam, makes whole fastening relation can adjust through the torque wrench, need not during the installation to dismantle the installation clearance that can adjust bevel gear to reduce and simplify the installation flow, reduction in production cost.
Description
Technical Field
The utility model relates to a drive flight control surface's transmission system field especially relates to a backlash adjustable servo steering wheel.
Background
The harmonic electric steering engine has the advantages of small required working space, capability of bearing short-time acceleration overload, higher mechanical response frequency and larger reduction ratio. The general servo steering engine structure that has now does: the motor drives the small bevel gear to rotate, the small bevel gear drives the large bevel gear to rotate together with the cam, the cam forces the flexible gear to be meshed with the rigid gear, and the flexible gear rotates to drive the output shaft to rotate to output torque outwards.
In the application environment, the relative position of the small bevel gear and the large bevel gear arranged on the motor during meshing is adjusted by changing the thickness of the gasket. In the prior art, because the large bevel gear and the small bevel gear are not directly installed on the shell, the relative position between the two installed gears is difficult to obtain. In actual production, a gasket with a certain size is generally installed, then the performance of the whole machine is tested, and the thickness of the gasket is changed according to a performance result.
This process needs a lot of installation, dismantlement motor housing and motor, seriously influences production efficiency, has improved manufacturing cost.
A servo steering engine is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve traditional harmonic formula electric steering engine bevel gear installation among the prior art and need install, dismantle motor housing and motor many times, seriously influence production efficiency, improved manufacturing cost's problem, the utility model provides a flank clearance adjustable servo steering wheel makes the gear installation more nimble through the mode of screw thread installation and round pin location, has solved prior art's problem.
The utility model provides a flank clearance adjustable servo steering wheel, including motor mechanism and flexible gear system, the flexible gear system sets up in motor mechanism's output, adopts threaded connection and adopts the round pin axle location between the wave generator of the input structure of the coaxial line of output shaft and flexible gear system in the flexible gear system.
A tooth backlash adjustable servo steering wheel, as preferred mode, the flexbile gear system includes the casing, first bevel gear, second bevel gear, the wave generator, the flexbile gear, steel wheel and output shaft, first bevel gear, second bevel gear, the wave generator, the flexbile gear, the input of steel wheel and output shaft all sets up in the casing, the output of output shaft passes the casing and sets up in the casing outside, first bevel gear sets up in the motor mechanism output, second bevel gear and first bevel gear meshing, second bevel gear mounting hole is provided with the internal thread, second bevel gear is provided with a plurality of parallels and second bevel gear axial's pinhole, the pinhole all sets up on the same circle with gear axis as the centre of a circle, wave generator and second bevel gear connection end are provided with the external screw thread, the external screw thread fit internal thread, be provided with the taper hole two at least with second bevel gear's taper hole complex on the wave generator, the flexbile gear sets up in the wave generator periphery, flexbile gear meshing steel wheel, output shaft one end axial connects the flexbile gear.
A flank clearance adjustable servo steering wheel, as preferred mode, mutual equidistance between the adjacent taper hole of wave generator.
A tooth backlash adjustable servo steering wheel, as preferred mode, motor mechanism includes motor body and motor housing, motor body sets up inside motor housing, motor body's output shaft passes motor housing and connects flexbile gear system.
A tooth backlash adjustable servo steering wheel, as preferred mode, first bevel gear and second bevel gear mesh perpendicularly.
The utility model discloses beneficial effect as follows:
this technical scheme adopts the mode of screw thread and round pin cooperation installation, adjusts the installation relation between bevel gear and the cam, makes whole fastening relation can adjust through the torque wrench, need not during the installation to dismantle the installation clearance that can adjust bevel gear to reduce and simplify the installation procedure, reduction in production cost.
Drawings
FIG. 1 is a schematic diagram of a servo steering engine with adjustable backlash;
FIG. 2 is a schematic diagram of a flexible gear system of a servo steering engine with adjustable backlash;
fig. 3 is a schematic diagram of a servo steering engine motor mechanism with adjustable backlash.
Reference numerals are as follows:
1. a motor mechanism; 11. a motor body; 12. a motor housing; 2. a flexspline system; 21. a housing; 22. a first bevel gear; 23. a second bevel gear; 24. a wave generator; 25. a flexible gear; 26. a steel wheel; 27. and an output shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
As shown in fig. 1, a servo steering engine with adjustable backlash comprises a motor mechanism 1 and a flexible gear system 2, wherein the flexible gear system 2 is arranged at an output end of the motor mechanism 1, and an input structure which is coaxial with an output shaft 27 in the flexible gear system 2 is connected with a wave generator 24 of the flexible gear system 2 through threads and positioned by a pin shaft.
As shown in fig. 2, the flexible gear system 2 includes a housing 21, a first bevel gear 22, a second bevel gear 23, a wave generator 24, a flexible gear 25, a steel gear 26 and an output shaft 27, wherein input ends of the first bevel gear 22, the second bevel gear 23, the wave generator 24, the flexible gear 25, the steel gear 26 and the output shaft 27 are all disposed in the housing 21, an output end of the output shaft 27 passes through the housing 21 and is disposed outside the housing 21, the first bevel gear 22 is disposed at an output end of the motor mechanism 1, the second bevel gear 23 is engaged with the first bevel gear 22, a mounting hole of the second bevel gear 23 is provided with an internal thread, the second bevel gear 23 is provided with a plurality of pin holes parallel to an axial direction of the second bevel gear 23, the pin holes are all disposed on a same circle with a gear axis as a center, the wave generator 24 is connected with the second bevel gear 23, a connection end of the wave generator 24 and the second bevel gear 23 is provided with an external thread, the external thread is engaged with the internal thread, the wave generator 24 is provided with at least two taper holes engaged with the taper holes of the second bevel gear 23, the flexible gear 25 is disposed at a periphery of the flexible gear 24, the flexible gear 25 is engaged with the flexible gear 26, and one end of the output shaft 27 is axially connected with the flexible gear 25. Adjacent conical bores of the wave generator 24 are equidistant from one another.
As shown in fig. 3, the motor mechanism 1 includes a motor body 11 and a motor housing 12, the motor body 11 is disposed inside the motor housing 12, and an output shaft 27 of the motor body 11 passes through the motor housing 12 to connect to the flexspline system 2. The first bevel gear 22 and the second bevel gear 23 are vertically engaged.
The wave generator 24 used in the present embodiment is a cam-type wave generator.
The technical scheme adopts a large bevel gear with internal threads, and simultaneously, a cam is provided with an external thread structure (other spiral transmission structures can also be used) matched with the cam, and dozens of pin holes are uniformly distributed on the large bevel gear. There are only two pin holes in the cam.
When the scheme is actually used, all parts are machined according to a drawing, the whole machine is completely installed except for the shell and the large bevel gear, then the torque wrench is screwed into the large bevel gear, and when the numerical value on the torque wrench reaches 0.5 N.m, the rotation is stopped. At this time, the small bevel gear and the large bevel gear are already in contact, and the gap is 0. If the bevel gear needs to be adjusted downwards by 0.01mm to meet the requirement of the engagement clearance of the bevel gears, the torque wrench is rotated reversely by an angle (0.01/lead) 360 degrees), and then the pin is placed in the pin hole with the corresponding closest angle to be locked with the cam.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a flank clearance adjustable servo steering wheel which characterized in that: including motor mechanism (1) and flexbile gear system (2), flexbile gear system (2) set up in the output of motor mechanism (1), in flexbile gear system (2) with output shaft (27) coaxial input structure with adopt threaded connection and adopt round pin axle location between wave generator (24) of flexbile gear system (2).
2. The servo steering engine with the adjustable backlash as claimed in claim 1, wherein: the flexible gear system (2) comprises a shell (21), a first bevel gear (22), a second bevel gear (23), a wave generator (24), a flexible gear (25), a steel wheel (26) and an output shaft (27), wherein the first bevel gear (22), the second bevel gear (23), the wave generator (24), the flexible gear (25), the steel wheel (26) and the input end of the output shaft (27) are arranged in the shell (21), the output end of the output shaft (27) penetrates through the shell (21) to be arranged on the outer side of the shell (21), the first bevel gear (22) is arranged at the output end of the motor mechanism (1), the second bevel gear (23) is meshed with the first bevel gear (22), an internal thread is arranged in a mounting hole of the second bevel gear (23), a plurality of pin holes which are parallel to the axial direction of the second bevel gear (23) are arranged on the same circle with the axis of the gear as the center, the wave generator (24) is connected with the second bevel gear (23), a connecting end of the wave generator (24) is provided with the second bevel gear (23), at least two external threads are arranged on the conical hole in a matching manner, the flexbile gear (25) set up in wave generator (24) periphery, flexbile gear (25) meshing steel wheel (26), output shaft (27) one end axial is connected flexbile gear (25).
3. The servo steering engine with the adjustable backlash as claimed in claim 2, wherein: the adjacent taper holes of the wave generator (24) are equidistant.
4. The servo steering engine with the adjustable backlash as claimed in claim 1, wherein: the motor mechanism (1) comprises a motor body (11) and a motor shell (12), wherein the motor body (11) is arranged inside the motor shell (12), and an output shaft (27) of the motor body (11) penetrates through the motor shell (12) to be connected with the flexible gear system (2).
5. The servo steering engine with the adjustable backlash as claimed in claim 2, wherein: the first bevel gear (22) and the second bevel gear (23) are vertically meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223018306.9U CN218236021U (en) | 2022-11-14 | 2022-11-14 | Servo steering wheel with adjustable tooth side clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223018306.9U CN218236021U (en) | 2022-11-14 | 2022-11-14 | Servo steering wheel with adjustable tooth side clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218236021U true CN218236021U (en) | 2023-01-06 |
Family
ID=84670915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223018306.9U Active CN218236021U (en) | 2022-11-14 | 2022-11-14 | Servo steering wheel with adjustable tooth side clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218236021U (en) |
-
2022
- 2022-11-14 CN CN202223018306.9U patent/CN218236021U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 8, No. 20 Boda Road, Chaoyang District, Beijing 100023, 1st to 6th floors, 101, 4th floor, 401 Patentee after: Beijing Hangxing Transmission Technology Co.,Ltd. Country or region after: China Address before: Room 101-602, Floor 6, Building 1, Yard 6, Kechuang 14th Street, Daxing District, Beijing 100176 Patentee before: Beijing Hangxing Transmission Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |