CN218916363U - Compact high-rigidity precise angle measurement shafting - Google Patents
Compact high-rigidity precise angle measurement shafting Download PDFInfo
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- CN218916363U CN218916363U CN202223198579.6U CN202223198579U CN218916363U CN 218916363 U CN218916363 U CN 218916363U CN 202223198579 U CN202223198579 U CN 202223198579U CN 218916363 U CN218916363 U CN 218916363U
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- contact bearing
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Abstract
The utility model discloses a compact high-rigidity precise angle measurement shafting, which comprises an angle measurement seat, wherein a rotary stator seat is arranged in the angle measurement seat, a rotary stator coil is fixedly connected to the inner side of the rotary stator seat, a rotary rotor seat is arranged on the inner side of the rotary stator coil, a rotary rotor coil fixedly connected with the rotary rotor seat is arranged between the rotary stator coil and the rotary rotor seat, an angular contact bearing pair is arranged on the inner side of the rotary rotor seat, an inner ring of the angular contact bearing pair is connected with the angle measurement seat in a matched manner, an outer ring of the angular contact bearing pair is connected with the rotary rotor seat in a matched manner, a bearing inner ring gland is arranged at one end of the angular contact bearing pair, and a bearing outer ring gland is arranged at the other end of the angular contact bearing pair. According to the utility model, the rotary rotor is directly matched with the angular contact bearing pair, so that a bearing seat part is omitted, the radial dimension of the angle measuring shaft system is obviously reduced, and meanwhile, the angle measuring seat and the angle measuring shaft are combined into one part, so that the integral rigidity of the angle measuring shaft system is greatly improved, and the shock resistance and vibration resistance are good.
Description
Technical Field
The utility model belongs to the technical field of missile-borne inertial measurement unit calibration equipment, and particularly relates to a compact high-rigidity precise angle measurement shafting.
Background
The angle measurement shafting is used as a core component in the development process of the missile-borne inertial measurement unit calibration equipment, provides angle measurement and feedback for the realization of the three-self function (self-detection, self-calibration and self-calibration), and the angle measurement precision directly influences various precision indexes of the whole equipment and plays a key role in the development process of the missile-borne inertial measurement unit calibration equipment.
The technical scheme has the advantages that the connection rigidity is lower under the missile-borne impact vibration environment, and the environment adaptability requirement of the missile-borne inertial measurement unit calibration equipment cannot be met. In the prior art, the high-rigidity precise angle measurement shafting (patent grant number: CN 216049621U) effectively solves the problem of insufficient rigidity of the angle measurement shafting by combining the angle measurement seat and the angle measurement shaft into one part, but the angle measurement shafting has larger structural size and cannot meet the small-size requirement of novel inertial component on-line self-calibration equipment.
Disclosure of Invention
The utility model aims to provide a compact high-rigidity precise angle measurement shafting so as to solve the problems in the background technology.
The technical scheme adopted for achieving the purpose is that the compact high-rigidity precise angle measurement shafting comprises an angle measurement seat, wherein a rotary stator seat is arranged in the angle measurement seat, a rotary stator coil is fixedly connected to the inner side of the rotary stator seat, a rotary rotor seat is arranged on the inner side of the rotary stator coil, a rotary rotor coil fixedly connected with the rotary rotor seat is arranged between the rotary stator coil and the rotary rotor seat, an angular contact bearing pair is arranged on the inner side of the rotary rotor seat, an inner ring of the angular contact bearing pair is connected with the angle measurement seat in a matched manner, an outer ring of the angular contact bearing pair is connected with the rotary rotor seat in a matched manner, a bearing inner ring gland is arranged at one end of the angular contact bearing pair, and a bearing outer ring gland is arranged at the other end of the angular contact bearing pair.
Furthermore, the angle measuring seat is made of high-strength aluminum alloy or titanium alloy materials, and is of a hollow structure.
Further, the pair of angular contact bearings are a pair of precision angular contact bearings, and are mounted in a back-to-back manner.
Further, the bearing inner ring gland is fixedly connected with the angle measuring seat through a screw and compresses the inner ring of the angular contact bearing pair.
Further, the bearing outer ring gland is fixedly connected with the rotary-change rotor base through a screw and compresses the outer ring of the angular contact bearing pair.
Advantageous effects
Compared with the prior art, the utility model has the following advantages.
1. According to the utility model, the rotary rotor is directly matched with the angular contact bearing pair, so that a bearing seat part is omitted, and the radial size of the angle measurement shafting is obviously reduced;
2. according to the utility model, the angle measuring seat and the angle measuring shaft are combined into one part, so that the integral rigidity of the angle measuring shaft system is greatly improved, and the shock resistance and vibration performance are good;
3. the utility model adopts a pair of precise angular contact bearings which are installed back to back for supporting, the shafting rotation precision of the equipment is high, and the shafting precision stability is good under the impact vibration environment;
4. the utility model can carry out modularized production, is beneficial to shortening the equipment development period and reducing the development cost.
Drawings
The present utility model is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Detailed Description
The utility model is further described below with reference to examples and figures.
As shown in fig. 1, a compact high-rigidity precision angle measurement shafting comprises an angle measurement seat 1, wherein a rotation stator seat 2 is installed in the angle measurement seat 1, a rotation stator coil 3 is fixedly connected to the inner side of the rotation stator seat 2, a rotation rotor seat 5 is arranged on the inner side of the rotation stator coil 3, a rotation rotor coil 4 fixedly connected with the rotation rotor seat 5 is arranged between the rotation stator coil 3 and the rotation rotor seat 5, an angular contact bearing pair 7 is arranged on the inner side of the rotation rotor seat 5, an inner ring of the angular contact bearing pair 7 is connected with the angle measurement seat 1 in a matched manner, an outer ring of the angular contact bearing pair 7 is connected with the rotation rotor seat 5 in a matched manner, one end of the angular contact bearing pair 7 is provided with a bearing inner ring gland 6, and the other end of the angular contact bearing pair 7 is provided with a bearing outer ring gland 8.
The angle measuring seat 1 is made of high-strength aluminum alloy or titanium alloy materials, and the angle measuring seat 1 is of a hollow structure.
The pair of angular contact bearings 7 are a pair of precise angular contact bearings, and are arranged in a back-to-back mode.
The bearing inner ring gland 6 is fixedly connected with the angle measuring seat 1 through a screw and compresses the inner ring of the angular contact bearing pair 7.
The bearing outer ring gland 8 is fixedly connected with the rotary-change rotor base 5 through a screw and compresses the outer ring of the angular contact bearing pair 7.
In the utility model, the rotary stator base 2 is fixed in the angle measurement base 1 through a screw, the rotary stator coil 3 is fixedly connected to the rotary stator base 2, the rotary stator coil 4 is fixedly connected to the rotary stator base 5, the inner ring of the angular contact bearing pair 7 is matched with the angle measurement base 1, the outer ring of the angular contact bearing pair 7 is matched with the rotary stator base 5, the bearing inner ring gland 6 is fixedly connected to the angle measurement base 1 through a screw and compresses the inner ring of the angular contact bearing pair 7, and the bearing outer ring gland 8 is fixedly connected to the rotary stator base 5 through a screw and compresses the outer ring of the angular contact bearing pair 7.
The rotary stator seat 2 and the rotary stator coil 3 jointly form a rotary stator, and the rotary rotor coil 4 and the rotary rotor seat 5 jointly form a rotary rotor.
The utility model provides a compact high-rigidity precise angle measurement shafting, wherein a rotary rotor is directly matched with an angular contact bearing pair, a bearing seat part is omitted, the radial size of the angle measurement shafting is obviously reduced, meanwhile, an angle measurement seat and an angle measurement shaft are combined into one part, the integral rigidity of the angle measurement shafting is greatly improved, the shock resistance and vibration performance are good, and the requirements of the novel inertial measurement unit on-line self-calibration equipment on size and environmental adaptability can be met.
Claims (5)
1. The utility model provides a compact high rigidity precision angle measurement shafting, includes angle measurement seat (1), its characterized in that, install in angle measurement seat (1) and revolve and change stator seat (2), the inboard fixedly connected with of revolve and change stator coil (3), revolve and change stator coil (3) inboard and be equipped with revolve and change stator seat (5), revolve and be equipped with between stator coil (3) and the revolve and change stator seat (5) with revolve change stator coil (4) of revolve and change stator seat (5) fixed connection, revolve and change stator seat (5) inboard and be equipped with angular contact bearing pair (7), the inner circle and the angle measurement seat (1) cooperation of angular contact bearing pair (7) are connected, the outer lane and the revolve change stator seat (5) cooperation of angular contact bearing pair (7), the one end of angular contact bearing pair (7) is equipped with bearing inner circle gland (6), and the other end of angular contact bearing pair (7) is equipped with bearing outer lane gland (8).
2. The compact high-rigidity precise angle measurement shafting according to claim 1, wherein the angle measurement seat (1) is made of high-strength aluminum alloy or titanium alloy material, and the angle measurement seat (1) is of a hollow structure.
3. The compact high-rigidity precision angle measurement shafting of claim 1 wherein the pair of angular contact bearings (7) are a pair of precision angular contact bearings mounted in a back-to-back manner.
4. The compact high-rigidity precise angle measurement shafting according to claim 1, wherein the bearing inner ring gland (6) is fixedly connected with the angle measurement seat (1) through a screw and compresses the inner ring of the angular contact bearing pair (7).
5. The compact high-rigidity precise angle measurement shafting according to claim 1, wherein the bearing outer ring gland (8) is fixedly connected with the rotary rotor base (5) through a screw and compresses the outer ring of the angular contact bearing pair (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223198579.6U CN218916363U (en) | 2022-12-01 | 2022-12-01 | Compact high-rigidity precise angle measurement shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223198579.6U CN218916363U (en) | 2022-12-01 | 2022-12-01 | Compact high-rigidity precise angle measurement shafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218916363U true CN218916363U (en) | 2023-04-25 |
Family
ID=86046217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223198579.6U Active CN218916363U (en) | 2022-12-01 | 2022-12-01 | Compact high-rigidity precise angle measurement shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218916363U (en) |
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2022
- 2022-12-01 CN CN202223198579.6U patent/CN218916363U/en active Active
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