CN211924754U - Transmission device - Google Patents
Transmission device Download PDFInfo
- Publication number
- CN211924754U CN211924754U CN201922395033.1U CN201922395033U CN211924754U CN 211924754 U CN211924754 U CN 211924754U CN 201922395033 U CN201922395033 U CN 201922395033U CN 211924754 U CN211924754 U CN 211924754U
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- Prior art keywords
- shaft
- transmission
- sleeve
- bolt
- spline
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a transmission device, include: the transmission shaft (1) is provided with an external spline (2); the stress shaft is provided with an internal spline (5); a gap (7) is formed in the stress shaft, bolt mounting bosses (4) are arranged on two sides of the gap (7), and through holes are formed in the positions corresponding to the two bolt mounting bosses (4); and a bolt (6) penetrates through the through hole. The utility model provides a transmission has combined spline connection and round pin hub connection's advantage, has increased round pin hub connection's location characteristics on spline connection's basis, has realized angularly adjustable and axial positioning purpose.
Description
Technical Field
The utility model relates to an aircraft design field, concretely relates to transmission.
Background
The connection form of the force transmission shaft in the motion mechanism mainly comprises spline connection, and fig. 1 is a structural schematic diagram of the existing transmission device.
The spline connection is realized by assembling an external spline on the force transmission shaft and an internal spline on the sleeve, and then force is transmitted, so that the angle is adjustable without axial positioning.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transmission alleviates current splined connection and does not have axial positioning's problem.
The utility model provides a transmission device, include: the transmission shaft 1 is provided with an external spline 2; the stress shaft is provided with an internal spline 5; wherein the content of the first and second substances,
a gap 7 is formed in the stress shaft, bolt mounting bosses 4 are arranged on two sides of the gap 7, and through holes are formed in the positions corresponding to the two bolt mounting bosses 4; and a bolt 6 penetrates through the through hole.
Optionally, a force transmission piece is arranged at one end of the force transmission shaft 1 connected with the stressed shaft, and an external spline 2 is arranged on the force transmission piece;
a sleeve 3 is arranged at one end of the stress shaft connected with the force transmission shaft 1, the sleeve 3 is sleeved on the force transmission piece, and an internal spline 5 is arranged in the sleeve 3;
the sleeve 3 is provided with a slit 7.
Optionally, a nut 8 is disposed on the bolt 6.
Optionally, the gap 7 is not less than 2 mm.
Optionally, the elastic modulus of the sleeve 3 is 140GPa to 160 GPa.
Optionally, the tightening torque of the bolt 6 and the nut 8 is not less than 15N · m.
The utility model provides a transmission adopts the external splines on the biography power epaxial, is designed with grooved internal spline on the sleeve, and fluting department is screwed up fixedly by one set of tensile bolt nut, and during the use, tensile bolt nut screws up, and the close laminating of internal and external splines is in the same place, and the axial restraint is realized to frictional force between the internal and external splines. The advantages of spline connection and pin shaft connection are combined, the positioning characteristic of pin shaft connection is added on the basis of spline connection, and the purposes of angle adjustment and axial positioning are achieved. The utility model provides a transmission is a simple structure form, and angularly adjustable takes the connection form of axial positioning's biography power axle.
Drawings
FIG. 1 is a schematic diagram of a prior art transmission;
fig. 2 is a schematic structural diagram of a transmission device according to the present invention;
fig. 3 is a schematic structural diagram of the transmission device according to the present invention.
Description of reference numerals:
1-a force transmission shaft; 2-external splines; 3, a sleeve;
4, mounting a boss by using a bolt; 5-internal splines; 6-tensile bolt;
7, a gap; 8-tensile nut.
Detailed Description
The transmission device provided by the invention is explained with the attached drawings.
Fig. 2 is the first structural schematic diagram of the transmission device provided by the present invention, fig. 3 is the second structural schematic diagram of the transmission device provided by the present invention, as shown in fig. 2 and 3, the transmission device includes: the transmission shaft 1 and the stressed shaft, optionally, the transmission shaft 1 is provided with an external spline 2; a sleeve 3 is arranged on the stress shaft, and an internal spline 5 is arranged on the inner wall of a hole of the sleeve 3;
optionally, the elastic modulus of the sleeve 3 is 140GPa to 160 GPa;
a gap 7 is arranged on the sleeve 3, and optionally, the width of the gap 7 is not less than 2 mm;
bolt mounting bosses 4 are arranged on two sides of the gap 7, and optionally through holes for mounting tensile bolts 6 and tensile nuts 8 are arranged at corresponding positions of the two bolt mounting bosses 4;
after the external spline 2 of the force transmission shaft 1 is installed on the internal spline 5 of the sleeve 3, the tensile bolt 6 and the tensile nut 8 are assembled on the installation bolt boss, optionally, a tightening torque not less than 15N m is applied, the gap 7 is clamped by the tightening torque, so that friction force is generated between the internal spline and the external spline, and the friction force limits the axial movement of the force transmission shaft and the sleeve.
Claims (6)
1. A transmission, comprising: the transmission shaft (1) is provided with an external spline (2); the stress shaft is provided with an internal spline (5); wherein the content of the first and second substances,
a gap (7) is formed in the stress shaft, bolt mounting bosses (4) are arranged on two sides of the gap (7), and through holes are formed in the positions corresponding to the two bolt mounting bosses (4); and a bolt (6) penetrates through the through hole.
2. The transmission device according to claim 1, characterized in that one end of the force transmission shaft (1) connected with the stressed shaft is provided with a force transmission piece, and the force transmission piece is provided with an external spline (2);
a sleeve (3) is arranged at one end of the stress shaft connected with the force transmission shaft (1), the sleeve (3) is sleeved on the force transmission piece, and an internal spline (5) is arranged in the sleeve (3);
a gap (7) is arranged on the sleeve (3).
3. Transmission according to claim 1, characterized in that a nut (8) is provided on the bolt (6).
4. Transmission according to claim 1, characterized in that the gap (7) is not less than 2 mm.
5. Transmission according to claim 2, characterized in that the elastic modulus of the sleeve (3) is between 140 and 160 GPa.
6. Transmission according to claim 3, characterized in that the tightening torque of the bolt (6) and the nut (8) is not less than 15N-m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395033.1U CN211924754U (en) | 2019-12-26 | 2019-12-26 | Transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395033.1U CN211924754U (en) | 2019-12-26 | 2019-12-26 | Transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924754U true CN211924754U (en) | 2020-11-13 |
Family
ID=73326982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922395033.1U Active CN211924754U (en) | 2019-12-26 | 2019-12-26 | Transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924754U (en) |
-
2019
- 2019-12-26 CN CN201922395033.1U patent/CN211924754U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |