CN113775256A - Electric locking mechanism - Google Patents
Electric locking mechanism Download PDFInfo
- Publication number
- CN113775256A CN113775256A CN202111080621.1A CN202111080621A CN113775256A CN 113775256 A CN113775256 A CN 113775256A CN 202111080621 A CN202111080621 A CN 202111080621A CN 113775256 A CN113775256 A CN 113775256A
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- locking pin
- locking
- bearing
- driven bevel
- Prior art date
- 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.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an electric locking mechanism which comprises a motor base, wherein a servo motor is installed on the motor base, the output end of the servo motor is connected with a driving bevel gear, a bearing seat is also installed on the motor base, a driven bevel gear is installed in the bearing seat through a bearing and is meshed with the driving bevel gear, a bearing pressing ring is arranged at the upper end of the bearing, the lower end of the driven bevel gear is connected with a lead screw, the lower end of the lead screw is connected with a locking pin, guide blocks are symmetrically arranged on two sides of the locking pin, a locking seat is arranged at the lower end of the locking pin, and an electromagnetic proximity switch installed on a proximity switch installation seat is further arranged below the locking pin. The electric locking mechanism has the characteristics of compact structure, small volume, high locking efficiency, high reliability and high safety.
Description
Technical Field
The invention relates to an electric locking mechanism.
Background
The electric locking mechanism is widely applied to various equipment and precision instruments, and is mainly characterized by being capable of realizing quick locking of a rotating shaft system. The locking mode in the prior art mainly has two kinds of forms, and the first kind is manual bayonet lock formula, stirs the bayonet lock through manual mode, makes the bayonet lock stretch into or extract the bayonet lock and reach the locking or the purpose of unblanking, and this kind of mode can not realize long-range automatically controlled quick locking. The other mode is locking through a gear pair or worm-gear pair transmission mode, and the mode has the advantages of complex structure, large volume, high manufacturing cost and difficult realization.
Disclosure of Invention
The invention aims to provide an electric locking mechanism, which solves the problems of complex structure, large volume, high manufacturing cost, incapability of remotely controlling locking and low locking efficiency of the conventional locking mechanism.
The technical scheme is that the electric locking mechanism comprises a motor base, wherein a servo motor is installed on the motor base, the output end of the servo motor is connected with a driving bevel gear, a bearing seat is further installed on the motor base, a driven bevel gear is installed in the bearing seat through a bearing and meshed with the driving bevel gear, a bearing pressing ring is arranged at the upper end of the bearing, the lower end of the driven bevel gear is connected with a lead screw, the lower end of the lead screw is connected with a locking pin, guide blocks are symmetrically arranged on two sides of the locking pin, a locking seat is arranged at the lower end of the locking pin, and an electromagnetic proximity switch installed on a proximity switch installation seat is further arranged below the locking pin.
Furthermore, the upper end of the screw rod is fixedly connected with the driven bevel gear through a fixing screw.
Furthermore, the screw rod is connected with the locking pin through a thread pair, guide blocks installed in the rectangular guide grooves are fixed on two sides of the locking pin, the guide blocks limit rotation of the locking pin, and the locking pin moves up and down along the shaft along with rotation of the screw rod.
Furthermore, the driving bevel gear and the driven bevel gear are arranged in a mutually vertical mode, and the driving bevel gear and the driven bevel gear which are arranged in the mutually vertical mode form a pair of bevel gear pairs to convert horizontal rotation motion into vertical rotation motion, so that the installation space can be reduced.
Advantageous effects
Compared with the prior art, the invention has the following advantages.
1. The electric locking mechanism has the advantages of simple structure, small volume, low manufacturing cost and easy realization, and is particularly suitable for being applied to miniaturized light-weight equipment and precise instruments;
2. whether locking and unlocking are in place or not can be judged through the electromagnetic proximity switch, the stalling time of the servo motor is reduced, and the reliability and the safety of locking and unlocking are improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1, an electric locking mechanism includes a motor base 92, a servo motor 91 is installed on the motor base 92, an output end of the servo motor 91 is connected with a drive bevel gear 93, a bearing seat 97 is further installed on the motor base 92, a driven bevel gear 94 is installed in the bearing seat 97 through a bearing 96, the driven bevel gear 94 is meshed with the drive bevel gear 93, a bearing pressing ring 95 is arranged at an upper end of the bearing 96, a lead screw 98 is connected to a lower end of the driven bevel gear 94, a locking pin 910 is connected to a lower end of the lead screw 98, guide blocks 99 are symmetrically arranged on two sides of the locking pin 910, a locking seat 10 is arranged at a lower end of the locking pin 910, and an electromagnetic proximity switch 7 installed on a proximity switch installation seat 8 is further arranged below the locking pin 910.
The upper end of the screw rod 98 is fixedly connected with the driven bevel gear 94 through a fixing screw.
The screw rod 98 and the locking pin 910 are connected by a thread pair, guide blocks 99 arranged in rectangular guide grooves are fixed on two sides of the locking pin 910, the guide blocks 99 limit the rotation of the locking pin 910, and the locking pin 910 moves up and down along the shaft along with the rotation of the screw rod 98.
The driving bevel gear 93 and the driven bevel gear 94 are arranged vertically to each other, and the driving bevel gear 93 and the driven bevel gear 94 arranged vertically to each other form a pair of bevel gear pairs to convert horizontal rotation motion into vertical rotation motion, so that the installation space can be reduced.
The electromagnetic proximity switch 7 is electrically connected with the servo motor 91.
In the present invention, the servo motor 91 is installed on the motor base 92, the drive bevel gear 93 is installed on the output shaft of the servo motor 92, the driven bevel gear 94 is installed above the motor base 92 through the bearing 96, the bearing retainer 95 and the bearing seat 97, and the driven bevel gear 94 is kept engaged with the drive bevel gear 93, the lead screw 98 is connected with the driven bevel gear 94 by a fixing screw, the lead screw 98 is connected with the locking pin 910 by a screw pair, two guide blocks 99 are respectively arranged at two sides of the locking pin 910, the servo motor 91 drives the driving bevel gear 93 to rotate, the driven bevel gear 94 is driven to rotate, the screw rod 98 is driven to rotate, under the action of the screw pair and the guide block 99, the locking pin 910 moves linearly downward, and when the locking pin 910 is inserted into the locking socket 10, a locking function is achieved, an electromagnetic proximity switch 7 is installed below the locking pin 910 for judging a locked or unlocked state.
The pair of bevel gear pairs consisting of the driving bevel gear 93 and the driven bevel gear 93 converts horizontal rotation motion into vertical rotation motion, and installation space can be reduced.
The screw rod 98 is connected with the locking pin 910 by a thread pair, two symmetrical rectangular guide grooves are designed on two sides of the locking pin 910, the guide block 99 is positioned in the rectangular guide grooves, and the rotary motion of the screw rod 98 is converted into linear motion under the action of the guide block 99.
An electromagnetic proximity switch 7 is installed below the locking pin 910 for determining whether the locking pin 910 is in a locking state.
When the electromagnetic proximity switch 7 is normally off, the control system determines that the locking pin 910 is in an unlocked state; when the electromagnetic proximity switch 7 is normally on, the control system determines that the locking pin 910 is in a locking state, at this time, the servo motor 91 is cut off and enabled, and the servo motor 91 stops working.
In the specific implementation of the invention, the locking device is used for locking a shaft system of a double-shaft photoelectric turntable, as shown in fig. 2, a pitching frame 1 is installed on an azimuth main shaft 2 through a screw, the azimuth main shaft 2 is installed above an azimuth frame 4 through an azimuth bearing 3, the whole table body structure is installed on a supporting seat 5 through an adapter plate 6, a locking seat 10 is installed above the azimuth frame 4, an electric locking mechanism 9 is installed in an inner cavity of the pitching frame 1, a servo motor 91 of the electric locking mechanism 9 drives a driving bevel gear 93 to rotate, a driven bevel gear 94 is driven to rotate, a screw rod 98 is driven to rotate, a locking pin 910 is driven to move downwards in a straight line, when the locking pin 910 is inserted into the locking seat 10, the locking function can be realized, and an electromagnetic proximity switch 7 is installed on one side below the locking pin 910 for judging the locking or unlocking state. When the electromagnetic proximity switch 7 is normally off, the control system determines that the locking pin 910 is in an unlocked state; when the electromagnetic proximity switch 7 is normally on, the control system determines that the locking pin 910 is in a locking state, at this time, the servo motor 91 is cut off and enabled, and the servo motor 91 stops working.
Claims (4)
1. An electric locking mechanism comprises a motor base (92), and is characterized in that a servo motor (91) is arranged on the motor base (92), the output end of the servo motor (91) is connected with a drive bevel gear (93), a bearing seat (97) is also arranged on the motor base (92), a driven bevel gear (94) is arranged in the bearing seat (97) through a bearing (96), the driven bevel gear (94) is meshed with the driving bevel gear (93), a bearing pressing ring (95) is arranged at the upper end of the bearing (96), a screw rod (98) is connected with the lower end of the driven bevel gear (94), a locking pin (910) is connected with the lower end of the screw rod (98), guide blocks (99) are symmetrically arranged on two sides of the locking pin (910), the lower end of the locking pin (910) is provided with a locking seat (10), and an electromagnetic proximity switch (7) arranged on a proximity switch mounting seat (8) is further arranged below the locking pin (910).
2. An electric locking mechanism according to claim 1, characterized in that the upper end of the screw (98) is fixedly connected with the driven bevel gear (94) via a set screw.
3. The electric locking mechanism as claimed in claim 1, wherein the screw rod (98) is connected with the locking pin (910) by a screw pair, guide blocks (99) installed in rectangular guide grooves are fixed on two sides of the locking pin (910), the guide blocks (99) limit the rotation of the locking pin (910), and the locking pin (910) moves up and down along the shaft along with the rotation of the screw rod (98).
4. The electric locking mechanism according to claim 1, wherein the drive bevel gear (93) and the driven bevel gear (94) are arranged vertically to each other, and the drive bevel gear (93) and the driven bevel gear (94) arranged vertically to each other constitute a pair of bevel gear pairs for converting a horizontal rotational motion into a vertical rotational motion, thereby reducing an installation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111080621.1A CN113775256A (en) | 2021-09-15 | 2021-09-15 | Electric locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111080621.1A CN113775256A (en) | 2021-09-15 | 2021-09-15 | Electric locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113775256A true CN113775256A (en) | 2021-12-10 |
Family
ID=78843965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111080621.1A Withdrawn CN113775256A (en) | 2021-09-15 | 2021-09-15 | Electric locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113775256A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204646559U (en) * | 2015-05-28 | 2015-09-16 | 内蒙古久和能源装备有限公司 | A kind of locking device for wind driven generation set main shaft |
| CN105007012A (en) * | 2015-07-16 | 2015-10-28 | 湖北三江航天万峰科技发展有限公司 | On-vehicle turntable control system and control method thereof |
| EP3293747A1 (en) * | 2016-09-13 | 2018-03-14 | Siemens Aktiengesellschaft | Switching device with a device for a reliable switch position indicator for welded contacts |
| CN112290735A (en) * | 2019-07-27 | 2021-01-29 | 九江精密测试技术研究所 | Electric shafting locking mechanism |
| CN216043161U (en) * | 2021-09-15 | 2022-03-15 | 九江精密测试技术研究所 | Locking device |
-
2021
- 2021-09-15 CN CN202111080621.1A patent/CN113775256A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204646559U (en) * | 2015-05-28 | 2015-09-16 | 内蒙古久和能源装备有限公司 | A kind of locking device for wind driven generation set main shaft |
| CN105007012A (en) * | 2015-07-16 | 2015-10-28 | 湖北三江航天万峰科技发展有限公司 | On-vehicle turntable control system and control method thereof |
| EP3293747A1 (en) * | 2016-09-13 | 2018-03-14 | Siemens Aktiengesellschaft | Switching device with a device for a reliable switch position indicator for welded contacts |
| CN112290735A (en) * | 2019-07-27 | 2021-01-29 | 九江精密测试技术研究所 | Electric shafting locking mechanism |
| CN216043161U (en) * | 2021-09-15 | 2022-03-15 | 九江精密测试技术研究所 | Locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211210 |