CN109141417B - Foldable electric locking device - Google Patents
Foldable electric locking device Download PDFInfo
- Publication number
- CN109141417B CN109141417B CN201811255937.8A CN201811255937A CN109141417B CN 109141417 B CN109141417 B CN 109141417B CN 201811255937 A CN201811255937 A CN 201811255937A CN 109141417 B CN109141417 B CN 109141417B
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- China
- Prior art keywords
- toothed disc
- locking
- slide rail
- positioning slide
- driving
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
Abstract
The invention discloses a foldable electric locking device. The foldable electric locking device comprises a follow-up end tooth disc, a locking end tooth disc, a positioning slide rail and a driving assembly, wherein the follow-up end tooth disc is arranged on a rotating frame of the indexing mechanism; the positioning slide rail is arranged on a fixed outer frame of the indexing mechanism; the locking end-toothed disc is arranged on the positioning slide rail in a sliding manner and can move on the positioning slide rail and be meshed with the rotating end-toothed disc to lock the rotating frame; the driving assembly is used for being arranged on a fixed outer frame of the indexing mechanism and is used for driving the locking end-toothed disc to move on the positioning slide rail and locking the position of the locking end-toothed disc on the positioning slide rail. According to the foldable electric locking device, the whole locking device is arranged in a gap between the fixed outer frame of the indexing mechanism and the rotating enveloping circle, so that the space occupation is small, the rotating inertia is small, the precision is high, and the reliability is high.
Description
Technical Field
The invention relates to the technical field of inertial navigation equipment, in particular to a foldable electric locking device.
Background
A rotary strapdown inertial navigation system is a novel inertial navigation system developed on the basis of a rotary automatic compensation technology and a strapdown inertial navigation technology after an optical gyroscope (a laser gyroscope or a fiber-optic gyroscope) appears. The used rotation modulation technology adopts an indexing mechanism, and the precision of the inertial navigation system can be improved on the premise of not improving the precision of a device, so that the rotation modulation technology is used for long-range navigation.
The indexing mechanism is used for compensating the constant zero offset error of the inertia device and performing self-correction and isolating angular motion of the carrier. However, in some cases, the inertial navigation system needs to be used in a strapdown state, and particularly when the inertial navigation system is applied to a weapon system, the indexing mechanism needs to be locked and fixed at a zero position under the condition of large impact vibration.
The locking mechanism in the prior art is arranged on a rotating frame of the indexing mechanism, occupies the rotating space of the rotating frame and increases the rotating inertia.
Disclosure of Invention
In view of this, an object of the present invention is to provide a foldable electric locking device, so as to solve the technical problems existing in the prior art that a locking mechanism occupies a rotation space of a rotating frame and increases a rotational inertia of the rotating frame.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a foldable electric locking device which comprises a follow-up end tooth disc, a locking end tooth disc, a positioning slide rail and a driving assembly, wherein the follow-up end tooth disc is arranged on the end face of a lock body;
the rotation following end-toothed disc is arranged on a rotating frame of the indexing mechanism;
the positioning slide rail is arranged on a fixed outer frame of the indexing mechanism;
the locking end-toothed disc is arranged on the positioning slide rail in a sliding manner, can move on the positioning slide rail and is meshed with the rotating end-toothed disc to lock the rotating frame;
the driving assembly is used for being arranged on a fixed outer frame of the indexing mechanism and is used for driving the locking end-toothed disc to move on the positioning slide rail and locking the position of the locking end-toothed disc on the positioning slide rail.
Preferably, a sliding arm is further included;
the locking end tooth disc is arranged at one end of the sliding arm, and the other end of the sliding arm is arranged on the positioning sliding rail in a sliding mode.
Preferably, the device further comprises a sliding block;
the sliding arm is connected with the positioning sliding rail in a sliding mode through the sliding block.
Preferably, the driving assembly comprises a driving rod and a driven rod;
one end of the driven rod is connected with the locking end-toothed disc, the other end of the driven rod is connected with one end of the driving rod, and the other end of the driving rod is used for being connected with a driving motor.
Preferably, the drive assembly further comprises a drive motor;
the driving motor is arranged on a fixed outer frame of the indexing mechanism;
the driving motor is used for driving the locking end-toothed disc to move on the positioning slide rail and locking the position of the locking end-toothed disc on the positioning slide rail.
Preferably, the drive assembly further comprises a speed reducer;
the speed reducer is arranged between the driving motor and the locking end-toothed disc.
Preferably, the radial direction of the end-toothed disc is parallel to the rotating shaft of the rotating frame.
Preferably, the radial direction of the locking end-toothed disc is parallel to the rotation axis of the rotating frame.
Preferably, the length direction of the positioning slide rail is parallel to the rotation axis of the rotation frame.
The foldable electric locking device provided by the invention has the advantages that the following end-toothed disc is arranged on the rotating frame of the indexing mechanism, the locking end-toothed disc and the positioning slide rail are arranged on the fixed outer frame of the indexing mechanism, the locking end-toothed disc slides on the positioning slide rail and is meshed with the following end-toothed disc, the rotating frame is locked, and zero position locking of the indexing mechanism is realized.
Drawings
Fig. 1 is a schematic view of an installation position of a foldable electric locking device provided by the invention;
fig. 2 is a schematic structural diagram of a foldable electric locking device provided by the invention.
Reference numerals:
0-foldable electric locking device;
1-rotating end tooth disc; 2-hinge axis; 3-a driven rod; 4-connecting the circuit board; 5, mounting a support for the motor; 6-driving a motor; 7-a reducer; 8, mounting a support for the speed reducer; 9-a driving rod; 10-a link shaft; 11-positioning the slide rail; 12-a slide block; 13-a sliding arm; 14-locking end tooth disk;
15-rotating the frame; 16-fixing the outer frame; 17-envelope circle of revolution.
Detailed Description
The first embodiment is as follows:
the foldable electric locking device provided by the present embodiment, as shown in fig. 1 and fig. 2, includes a rotation-following end-toothed disc 1, a locking end-toothed disc 14, a positioning slide rail 11 and a driving assembly; the rotation following end-toothed disc 1 is arranged on a rotating frame 15 of the indexing mechanism; the positioning slide rail 11 is arranged on a fixed outer frame 16 of the indexing mechanism; the locking end-toothed disc 14 is slidably arranged on the positioning slide rail 11, and the locking end-toothed disc 14 can move on the positioning slide rail 11 and is meshed with the rotation following end-toothed disc 1 to lock the rotating frame 15; the driving assembly is used for being arranged on a fixed outer frame 16 of the indexing mechanism, and the driving assembly is used for driving the locking end-toothed disc 14 to move on the positioning slide rail 11 and locking the position of the locking end-toothed disc 14 on the positioning slide rail 11.
In this embodiment, the whole device is disposed on the fixed frame 16 of the indexing mechanism, preferably at the bottom of the fixed frame 16, and is located in the gap between the fixed frame 16 and the rotating envelope circle 17 of the indexing mechanism, and the space occupied by the difference space between the rotating envelope circle 17 and the fixed frame 16 of the indexing mechanism is small, so that the size of the rotary strapdown inertial navigation system is reduced, and the excessive rotational inertia is not increased.
This collapsible electronic locking device, on the one hand, locking end-toothed disc 14 linear motion, with along with the meshing of commentaries on classics end-toothed disc 1, and then realize locking, on the other hand, realizes locking through the structural style of fluted disc meshing, all makes the locking precision obtain improving, and the reliability height also obtains improving.
The foldable electric locking device is simple in overall structure, small in occupied space, high in precision and reliability and capable of preventing seizure.
The specifications of the following end-toothed disc 1 and the locking end-toothed disc 14 are matched, and the following end-toothed disc and the locking end-toothed disc can be stably meshed and separated.
Optionally, a sliding arm 13; the locking end toothed disc 14 is arranged at one end of the sliding arm 13, and the other end of the sliding arm 13 is slidably arranged on the positioning slide rail 11.
In this embodiment, the setting of slide arm 13 has satisfied the space and has erect the demand for along with the volume homoenergetic of commentaries on classics end-toothed disc 1 and locking end-toothed disc 14 can do for a short time, is of value to reducing rotary inertia.
Optionally, a slider 12; the sliding arm 13 is connected with the positioning slide rail 11 in a sliding way through a sliding block 12.
In the present embodiment, the slider 12 is fixedly connected to the other end of the slide arm 13; the slide block 12 is matched with the positioning slide rail 11, and the slide block 12 can slide on the positioning slide rail 11; the slider 12 and the positioning slide rail 11 are matched, so that the structure is simple, the operation is stable, and the movement of the locking end-toothed disc 14 is more stable.
Alternatively, the driving assembly comprises a driving rod 9 and a driven rod 3; one end of the driven rod 3 is connected with the locking end-toothed disc 14, the other end of the driven rod 3 is connected with one end of the driving rod 9, and the other end of the driving rod 9 is used for being connected with the driving motor 6.
Optionally, the drive assembly further comprises a drive motor 6; the driving motor 6 is arranged on a fixed outer frame 16 of the indexing mechanism; the driving motor 6 is used for driving the locking end-toothed disc 14 to move on the positioning slide rail 11 and locking the position of the locking end-toothed disc 14 on the positioning slide rail 11.
In this embodiment, specifically, one end of the driven rod 3 is connected to the sliding block 12, the driving motor 6 drives the sliding block 12 to slide on the positioning slide rail 11 through the driving rod 9 and the driven rod 3 which are rotatably connected to each other, and the position of the sliding block 12 on the positioning slide rail 11 can be locked under the action of the driving motor 6, so as to achieve zero position automatic locking of the rotating frame 15.
The driving system formed by the driving rod 9, the driven rod 3, the sliding block 12 and the positioning sliding rail 11 is simple in structure, has a folding function and a mechanical self-locking function in a small space by utilizing a crank sliding block principle, is very stable in transmission and locking, and improves the overall locking performance of the device.
Preferably, the driving rod 9 is rotatably connected with the driven rod 3 through a connecting rod shaft 10, and the driven rod 3 is rotatably connected with the sliding block 12 through a hinge shaft 2.
And, the driving motor 6 is fixedly connected to the bottom of the fixed outer frame 16 through the motor mounting bracket 5.
Optionally, the drive assembly further comprises a reducer 7; the speed reducer 7 is disposed between the drive motor 6 and the locking end-toothed disc 14.
In the present embodiment, the speed reducer 7 is preferably a planetary speed reducer.
The speed reducer 7 is fixedly connected to the bottom of the fixed frame 16 via a speed reducer mounting bracket 8.
It can be understood that the driving assembly further comprises a connecting circuit board 4 which is integrally connected with a motor brake, an encoder and a hall in place and controls the action of the driving motor 6.
Optionally, the radial direction of the end-toothed disc 1 is parallel to the rotation axis of the rotating frame 15.
Alternatively, the radial direction of the locking end-toothed disc 14 is parallel to the axis of rotation of the rotary frame 15.
Alternatively, the length direction of the positioning slide rail 11 is parallel to the rotation axis of the rotation frame 15.
In this embodiment, the locking end-toothed disc 14 translates along the direction of the rotation axis of the rotation frame 15, and moves to the following end-toothed disc 1, and the following end-toothed disc 1 is engaged with the locking end-toothed disc 14, so as to lock the rotation frame 15; on the premise of realizing locking, the stroke of the locking end-toothed disc 14 is shortened, so that the speed, the precision and the stability of control are guaranteed.
Example two:
the indexing mechanism of the rotary strapdown inertial navigation system provided by the embodiment includes a foldable electric locking device 0 according to the first embodiment; the foldable electric locking device 0 is arranged inside the rotating frame 15 of the indexing mechanism.
In this embodiment, preferably, a set of foldable electric locking devices 0 is respectively disposed on two sides of the rotating envelope circle 17, and the two foldable electric locking devices 0 are symmetrically disposed with respect to the rotation center of the rotating frame 15.
The foldable electric locking devices 0 are symmetrically arranged in space and are arranged in a gap formed by the rotary enveloping circle 17 and the fixed outer frame 16, so that the space utilization rate is improved, the rotational inertia is reduced, and the locking rigidity and the locking precision are good due to the adoption of tooth type meshing.
Claims (7)
1. A foldable electric locking device is characterized by comprising a follow-up rotation end tooth disc (1), a locking end tooth disc (14), a positioning slide rail (11), a slide block (12) and a driving assembly;
the rotation following end-toothed disc (1) is arranged on a rotating frame (15) of the indexing mechanism;
the positioning slide rail (11) is arranged on a fixed outer frame (16) of the indexing mechanism;
the locking end-toothed disc (14) is arranged on the positioning slide rail (11) in a sliding manner, and the locking end-toothed disc (14) can move on the positioning slide rail (11) and is meshed with the rotation following end-toothed disc (1) to lock the rotating frame (15);
the driving assembly is used for being arranged on a fixed outer frame (16) of the indexing mechanism and is used for driving the locking end-toothed disc (14) to move on the positioning slide rail (11) and locking the position of the locking end-toothed disc (14) on the positioning slide rail (11);
the driving assembly comprises a driving rod (9), a driven rod (3) and a driving motor (6), one end of the driven rod (3) is connected with the locking end-toothed disc (14), the other end of the driven rod (3) is connected with one end of the driving rod (9), and the other end of the driving rod (9) is used for being connected with the driving motor (6); the driving motor (6) is arranged on a fixed outer frame (16) of the indexing mechanism; the driving motor (6) is used for driving the locking end-toothed disc (14) to move on the positioning slide rail (11) through the sliding block (12) and locking the position of the locking end-toothed disc (14) on the positioning slide rail (11).
2. Foldable electric locking device according to claim 1, characterized by further comprising a sliding arm (13);
the locking end toothed disc (14) is arranged at one end of the sliding arm (13), and the other end of the sliding arm (13) is arranged on the positioning sliding rail (11) in a sliding mode.
3. Foldable electric locking device according to claim 2, characterized by further comprising a slider (12);
the sliding arm (13) is connected with the positioning sliding rail (11) in a sliding mode through the sliding block (12).
4. Foldable electric locking device according to claim 1, characterized in that the driving assembly further comprises a reducer (7);
the speed reducer (7) is arranged between the driving motor (6) and the locking end-toothed disc (14).
5. Foldable electric locking device according to claim 1, characterized in that the radial direction of the follower end-toothed disc (1) is parallel to the rotation axis of the rotating frame (15).
6. Foldable electric locking device according to claim 5, characterized in that the radial direction of the locking end-toothed disc (14) is parallel to the rotation axis of the rotating frame (15).
7. Foldable electric locking device according to claim 6, characterized in that the length direction of the positioning slide (11) is parallel to the rotation axis of the rotation frame (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255937.8A CN109141417B (en) | 2018-10-26 | 2018-10-26 | Foldable electric locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255937.8A CN109141417B (en) | 2018-10-26 | 2018-10-26 | Foldable electric locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109141417A CN109141417A (en) | 2019-01-04 |
| CN109141417B true CN109141417B (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811255937.8A Active CN109141417B (en) | 2018-10-26 | 2018-10-26 | Foldable electric locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109141417B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607559A (en) * | 2012-03-16 | 2012-07-25 | 湖北航天技术研究院总体设计所 | Self-calibrating inertial positioning and orientating device |
| CN102966657A (en) * | 2012-11-21 | 2013-03-13 | 中国航空工业集团公司北京航空精密机械研究所 | Quick locking mechanism |
| CN104089618A (en) * | 2014-07-03 | 2014-10-08 | 湖北航天技术研究院总体设计所 | Shaftless self-calibration strapdown inertial measurement combination device |
| CN204694263U (en) * | 2015-05-27 | 2015-10-07 | 深圳市道通智能航空技术有限公司 | A kind of inertial measuring unit |
| CN105173119A (en) * | 2015-08-21 | 2015-12-23 | 湖北三江航天红峰控制有限公司 | Self-locking electric steering engine |
| CN105358769A (en) * | 2014-06-04 | 2016-02-24 | 株式会社小松制作所 | Attitude computing device for operating machine, operating machine, and attitude computing method for operating machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2492560A (en) * | 2011-07-05 | 2013-01-09 | Tomtom Int Bv | Navigation device having dead reckoning navigation functionality |
-
2018
- 2018-10-26 CN CN201811255937.8A patent/CN109141417B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607559A (en) * | 2012-03-16 | 2012-07-25 | 湖北航天技术研究院总体设计所 | Self-calibrating inertial positioning and orientating device |
| CN102966657A (en) * | 2012-11-21 | 2013-03-13 | 中国航空工业集团公司北京航空精密机械研究所 | Quick locking mechanism |
| CN105358769A (en) * | 2014-06-04 | 2016-02-24 | 株式会社小松制作所 | Attitude computing device for operating machine, operating machine, and attitude computing method for operating machine |
| CN104089618A (en) * | 2014-07-03 | 2014-10-08 | 湖北航天技术研究院总体设计所 | Shaftless self-calibration strapdown inertial measurement combination device |
| CN204694263U (en) * | 2015-05-27 | 2015-10-07 | 深圳市道通智能航空技术有限公司 | A kind of inertial measuring unit |
| CN105173119A (en) * | 2015-08-21 | 2015-12-23 | 湖北三江航天红峰控制有限公司 | Self-locking electric steering engine |
Non-Patent Citations (1)
| Title |
|---|
| 磁悬浮飞轮锁紧保护技术研究与发展现状;刘强;《控制与决策》;20130930;第28卷(第9期);第1321-1348页 * |
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| Publication number | Publication date |
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| CN109141417A (en) | 2019-01-04 |
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