CN111048365B - Quick locking and tripping device for repulsion mechanism - Google Patents
Quick locking and tripping device for repulsion mechanism Download PDFInfo
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- CN111048365B CN111048365B CN201911176427.6A CN201911176427A CN111048365B CN 111048365 B CN111048365 B CN 111048365B CN 201911176427 A CN201911176427 A CN 201911176427A CN 111048365 B CN111048365 B CN 111048365B
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- iron core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/121—Protection of release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a quick locking and tripping device for a repulsion mechanism, which comprises a static iron core base, a locking core, a tripping movable iron core, a mechanism shaft and an auxiliary locking sleeve, wherein the static iron core base is provided with a locking hole; the static iron core base comprises a bottom plate, a static iron core, a trip coil, a ball sleeve and a shell; the lock core comprises a ball frame, a lock claw, a ball and an annular spring; the tripping movable iron core comprises a movable iron core and an annular tripping sleeve. The scheme of the invention adopts a self-excitation driving locking mode, has compact structure and high reliability, and is also suitable for locking and releasing of a slow mechanism.
Description
Technical Field
The invention belongs to the field of ultra-fast circuit breakers, and particularly relates to a fast locking and tripping device for a repulsion mechanism of an ultra-fast circuit breaker.
Background
The quick operating mechanism is an operating mechanism manufactured by using the eddy current electric repulsion principle, and is applied to the quick circuit breaker more and more frequently due to the advantages of simple structure, high opening speed and the like.
With the development of the power industry and the rapid development of high-voltage rapid circuit breakers, a rapid repulsion mechanism attracts more and more attention as a core component of a rapid circuit breaker.
At present, the repulsion mechanism keeps the opening and closing states in various forms, such as opening and closing keeping by means of spring overturning over dead points, opening and closing keeping by means of matching of a permanent magnet unit and a spring, opening and closing keeping by means of mechanical lock catches and the like.
The two methods are easy to realize, but the shock resistance and the vibration resistance are poor, and the reliability under the severe use environment has problems; most of mechanical locking devices are in the breaking process of a quick repulsion mechanism, and the locking reliability is problematic because the shaft of the repulsion mechanism acts too fast.
Disclosure of Invention
The invention aims to provide a novel solution of a quick locking and releasing device for a repulsion mechanism, the scheme utilizes the movement of a shaft of the repulsion mechanism to drive the locking device to quickly and reliably complete locking action, greatly improves the reliability of mechanical locking, utilizes a special iron core driven by an electromagnet to complete releasing, and has compact integral structure, simplicity and reliability.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problem is as follows: a quick lock catch and tripping device for a repulsion mechanism comprises a static iron core base, a lock catch core and a tripping movable iron core which are sequentially arranged in the static iron core base, and further comprises a mechanism shaft arranged in the static iron core base and an auxiliary lock catch sleeve connected with the mechanism shaft; the static iron core base comprises a bottom plate made of non-magnetic conductive metal materials, a static iron core coaxially fixed below the bottom plate and a non-magnetic conductive material shell sleeved on the static iron core, a tripping coil is coaxially embedded in a groove in the bottom end face of the static iron core in an epoxy pouring mode, and a ball sleeve is installed in a counter bore in the top end of the static iron core; the lock catch core is fixed on the bottom plate and is extruded and fixed by a boss, and comprises a ball frame arranged above a ball sleeve and a plurality of lock catch claws which are arranged in the ball frame and distributed annularly around a mechanism shaft, wherein inner rings are arranged in the lock catch claws, the outer walls of the lock catch claws are sequentially provided with a ball socket and a neck groove positioned above the ball socket, the ball socket and the neck groove are respectively internally provided with a ball and an annular spring, the ball is positioned among the arc groove of the ball frame, the ball sleeve and the ball socket and is embedded in the ball socket, the annular spring is sleeved in the neck groove, and the upper end of the lock catch claw is restrained from inwards contracting into a circle around the inner rings; the tripping movable iron core comprises a movable iron core and an annular tripping sleeve, wherein the movable iron core is positioned below the static iron core and connected with a tension spring, the annular tripping sleeve is embedded in a sunken groove in the center of the movable iron core, the movable iron core and the annular tripping sleeve are fixedly connected, an inclined plane which is abutted against the bottom end part of the locking claw is arranged on the inner side of the tripping sleeve, the other end of the tension spring is fixed, and the tension spring is matched with the shell to limit the initial position of the tripping movable iron core; the auxiliary lock catch sleeve is a cylindrical sleeve with a counter bore in the center and a certain gradient angle at the outer side, and is fixedly arranged at the tail end of the mechanism shaft through a screw.
The quick locking and tripping device for the repulsion mechanism is characterized in that a circular counter bore concentric with a shaft hole is formed in the center of an iron core, a ball sleeve is embedded in the counter bore, and an arc surface matched with a ball is arranged in the ball sleeve.
The quick locking and tripping device for the repulsion mechanism is characterized in that two stages of steps with gradually reduced outer diameters are arranged at the bottom end of a mechanism shaft, the maximum outer diameter of the upper stage of step is larger than the inner diameter of the circumference after the locking claw is contracted and smaller than the inner diameter of the circumference formed by the locking claw in a vertical state, the outer diameter of the middle part of the upper stage of step is smaller than the inner diameter of the inner diameter, and the minimum outer diameter of the lower stage of step is not larger than the inner diameter of a counter bore of the auxiliary locking sleeve.
Furthermore, the outer side of the auxiliary lock catch sleeve is provided with an inclined plane which is abutted against the bottom end part of the lock catch claw.
The inner inclined plane of the tripping sleeve of the quick locking and tripping device for the repulsion mechanism forms an acute angle with a mechanism shaft.
The invention has the beneficial effects that: this patent application drives supplementary hasp part motion through repulsion mechanism axle, and then initiative excitation hasp part is reliable and fast accomplishes the hasp action, has solved general locking device because of repulsion mechanism rate of motion is too fast, and the insecure problem of hasp to utilize special iron core of electromagnet principle drive to accomplish the dropout action, whole mechanism is compact, reliable, has improved quick-operation mechanism hasp reliability greatly, has reduced volume and cost.
Drawings
FIG. 1 is a schematic view of the present invention in a locked state;
FIG. 2 is a schematic view of the present invention in an intermediate tripped state;
FIG. 3 is a schematic view of the present invention in a tripped state;
fig. 4 is a schematic view of the present invention in a middle state of the latch.
The figures are numbered: 1-static iron core base, 1.1-bottom plate, 1.2-static iron core, 1.3-shell, 1.4-ball sleeve, 1.5-trip coil, 2-lock catch core, 2.1-lock catch claw, 2.2-ball, 2.3-ball rack, 2.4-ring spring, 2.5-inner ring, 3-trip movable iron core, 3.1-movable iron core, 3.2-trip sleeve, 4-repulsion coil, 4.1-repulsion coil, 4.2-coil frame, 5-repulsion disk with shaft, 5.1-mechanism shaft, 5.2-repulsion disk, 5.3-auxiliary lock catch sleeve, 5.4-screw, 6-tension spring, 7-pressure spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. The drawings in which like reference numerals refer to like elements, there are shown in the figures. The following described embodiments are exemplary, are intended to be illustrative of the invention, and are not to be construed as limiting the invention.
Referring to fig. 1 to 4, the present invention discloses a quick locking and releasing device for a repulsive force mechanism: the mechanism comprises a static iron core base 1, a lock catch core 2, a tripping movable iron core 3, a mechanism shaft 5.1 and an auxiliary lock catch sleeve 5.3.
The static iron core base 1 comprises a bottom plate 1.1, a static iron core 1.2, a trip coil 1.5 and a ball sleeve 1.4; the bottom plate 1.1 is fixed and made of non-magnetic conductive metal, and the static iron core 1.2 can be coaxially and fixedly arranged on the bottom plate 1.1 by bolts; the trip coil 1.5 is coaxially embedded in the groove of the static iron core 1.2 and can be fixed by epoxy casting, and further can be fixed by end press-fitting and epoxy casting; the ball sleeve 1.4 is pressed in the static iron core 1.2. In addition, the shell 1.3 is fixedly arranged on the static iron core 1.2, the shell 1.3 can be made of aluminum or insulating materials, and the shell plays a role in protecting an internal structure and limiting the tripping movable iron core 3 by matching with the spring 6. The housing 1.3 can be made of aluminum or an insulating material, and has the functions of protecting the internal structure and limiting the tripping movable iron core 3 by matching with the tension spring 6.
The lock catch core 2 comprises a lock catch claw 2.1, a ball 2.2, an annular spring 2.4, an inner ring 2.5 and a ball rack 2.3; 8 locking claws 2.1 are circumferentially distributed on the periphery of an inner ring 2.5, an annular spring 2.4 is sleeved in a groove at the neck of the locking claw, the annular spring 2.4 contracts inwards and restrains the upper ends of the locking claws 2.1 to contract inwards, and after all the locking claws 2.1 contract together, the upper ends of the locking claws can be combined into a circular hole, so that the locking redundancy design is increased, and the locking reliability can be improved. An arc-shaped groove matched with the inner ring 2.5 is formed in one side of the middle of each locking claw 2.1, a ball socket structure matched with the spherical surface is formed in the other side of each locking claw 2.1, the ball 2.2 is embedded in a ball socket of the locking claw 2.1, the assembly is embedded on the ball rack 2.3, the ball 2.2 is located in the arc-shaped groove of the ball rack 2.3, the locking core 2 is located in an arc-shaped surface of the ball sleeve 1.4, the upper portion of the locking core 2 is extruded and fixed by a boss of the bottom plate 1.1, after the locking core 2 is fixed, the locking claws 2.1 can rotate around the inner ring 2.5 through the arc-shaped grooves in the middle of the locking claws to be not less than 10 degrees, each locking claw 2.1 can freely move for a certain angle under the action of external force, and after the external force is removed, the upper ends of all the locking claws 2.1 can be restrained together by the annular springs 2.4.
The tripping movable iron core 3 comprises a movable iron core 3.1 and a tripping sleeve 3.2 embedded on the movable iron core 3.1, the inner side of the tripping sleeve 3.2 is provided with an inclined plane abutting against the bottom end part of the locking claw 2.1, one end of a tension spring 6 is fixed, the other end of the tension spring is connected to the movable iron core 3.1 through a hanging hole or a screw and the like, and the tension spring 6 and the shell 1.3 are matched to limit the initial position of the tripping movable iron core 3.
The auxiliary lock catch sleeve 5.3 is fixedly connected with the mechanism shaft 5.1 and is a cylindrical sleeve with a counter bore in the center and a certain gradient angle at the outer side, the auxiliary lock catch sleeve is fixedly arranged at the tail end of the mechanism shaft 5.1 through a screw 5.4, and the threaded part can be reinforced by thread glue. The root of the mechanism shaft 5.1 is in a two-stage step form, the outer diameter is reduced step by step, the diameter of the upper step of the mechanism shaft 5.1 is larger than the diameter of the combined round hole after the upper end of the locking claw 2.1 is contracted inwards, and is slightly smaller than the diameter of the combined round hole at the upper end of the locking claw 2.1 in a vertical state, the diameter of the middle part of the upper step is slightly smaller than the diameter of an inner hole of the inner ring 2.5, and the diameter of the lower end of the lower step is smaller than or equal to the diameter of a counter bore in the auxiliary locking sleeve 5.3; the design can ensure that the shaft penetrates through the locking device from top to bottom, and the installation and debugging difficulty is reduced while the locking reliability is ensured.
Furthermore, the outer side of the auxiliary lock catch sleeve 5.3 is provided with an inclined plane which is abutted against the bottom end part of the lock catch claw 2.1, and the inclined plane is matched with a ring formed by the inner sides of the root parts of the lower ends of the lock catch claws 2.1: when the auxiliary locking sleeve 5.3 moves upwards to the position where the upper step exceeds the upper end surface of the locking claw 2.1, the inclined surface contacts with the inner side of the lower end of the locking claw 2.1, the locking core 2 is excited by the movement of the shaft to complete locking action, namely, the lower end of the locking claw 2.1 is forced to expand outwards and the upper end is forced to contract inwards, and the locking reliability is greatly improved.
The inner side inclined plane of the tripping sleeve 3.2 and the mechanism shaft 5.1 form an acute angle, and the inclined plane is matched with a ring formed at the outer side of the root part of the locking claw 2.1: the tripping sleeve 3.2 moves upwards to force the root of the locking claw 2.1 to tighten inwards, and the upper end of the corresponding locking claw 2.1 is scattered outwards to complete tripping action.
The center of the iron core 1.2 is provided with a circular counter bore concentric with the shaft hole, the ball sleeve 1.4 is embedded in the counter bore, the tight fit between the ball sleeve 1.4 and the static iron core 1.2 is realized, and the inner part of the ball sleeve 1.4 is provided with an arc surface matched with the ball 2.2.
Fig. 1 shows the locking state of the invention, in which the locking pawl 2.1 is retracted at its upper end by the annular spring 2.4, and the first step of the mechanism shaft 5.1 is caught.
Fig. 2 shows the intermediate state of the trip of the invention, under the suction action of the trip coil 1.5, the movable iron core 3.1 moves upwards, and the inner inclined plane of the trip sleeve 3.2 forcibly restricts the lower end of the locking claw 2.1 to contract inwards, thereby promoting the upper part to trip.
Fig. 3 shows the release state of the invention, in which the upper end of the locking claw 2.1 is contracted by the annular spring 2.4 to tightly cover the upper part of the mechanism shaft 5.1, ready for the next locking.
Fig. 4 shows the intermediate state of the lock catch of the present invention, the repulsion coil 4 is energized, the driving mechanism shaft 5.1 drives the auxiliary lock catch sleeve 5.3 to move upward, after the first step end surface of the shaft exceeds the upper end surface of the lock catch claw 2.1, the inclined surface of the lock catch sleeve 5.3 just collides with the inner side of the lower end of the lock catch claw 2.1, in the overshoot stroke, the lower end of the lock catch claw is forced to expand outward and the upper end is forced to contract inward, so that the lock catch core 2 reliably completes the lock catch action.
In the breaking process of the quick repulsion mechanism, the mechanism shaft 5.1 drives the auxiliary lock catch sleeve 5.3 to move together, and the slope outside the auxiliary lock catch sleeve 5.3 forces the lock catch claw 2.1 to rotate and lock the mechanism shaft 5.1, so that the repulsion mechanism is in a breaking holding position; the trip coil 1.5 is electrified, the trip movable iron core 3 is attracted, the inclined plane of the trip sleeve 3.2 forces the lock catch claw 2.1 to be tripped, and the tripping action of the mechanism is completed. This patent drives supplementary hasp part motion through repulsion mechanism axle 5.1, and then initiative excitation hasp part reliably accomplishes the hasp action fast, has solved general locking device because of repulsion mechanism rate of motion is too fast, and the insecure problem of hasp to utilize special iron core of electromagnet principle drive to accomplish the dropout action, overall structure is compact, the action is reliable, has improved quick-operation mechanism hasp reliability greatly, reduces volume and cost.
The repulsion coil 4, the repulsion coil 4.1, the coil frame 4.2, the repulsion plate 5.2 and the pressure spring 7 of the present patent are all schematically shown and appear in the matching drawing for better understanding of the present patent, wherein the repulsion coil is fixedly arranged, the repulsion plate 5.2 is fixed on the mechanism shaft 5.1, the repulsion plate 5.2, the auxiliary locking sleeve 5.3 and the screw 5.4 form the repulsion plate 5 with the shaft, and the pressure spring 7 provides downward pressure for the repulsion plate 5.2 and the mechanism shaft 5.1 fixed together with the repulsion plate 5.2. The location of these illustrated units and the form of attachment of the associated components is not a concern of this patent.
The shapes of the illustrations in this specification are exemplary, and the modification of the shapes, combinations, and numbers of certain parts may be equally effective in the same manner as in this patent, and should not be construed as limiting the invention.
Claims (4)
1. The utility model provides a repulsion mechanism is with quick hasp and trip gear which characterized in that: the magnetic latching device comprises a static iron core base (1), a latching core (2) and a tripping movable iron core (3) which are sequentially arranged in the static iron core base (1), and further comprises a mechanism shaft (5.1) and an auxiliary latching sleeve (5.3) which is arranged in the static iron core base (1) and is connected with the mechanism shaft (5.1);
the static iron core base (1) comprises a bottom plate (1.1) made of non-magnetic-conductive metal materials, a static iron core (1.2) coaxially fixed below the bottom plate (1.1) and a non-magnetic-conductive material shell (1.3) sleeved on the static iron core (1.2), a tripping coil (1.5) is coaxially embedded at the bottom end of the static iron core (1.2), and a ball sleeve (1.4) is installed at the top end of the static iron core (1.2);
the locking core (2) is clamped between the bottom plate (1.1) and the ball sleeve (1.4) and comprises a ball frame (2.3) arranged above the ball sleeve (1.4) and a plurality of locking claws (2.1) which are arranged in the ball frame (2.3) and distributed annularly, inner rings (2.5) are arranged in the locking claws (2.1), ball sockets and neck grooves positioned above the ball sockets are sequentially arranged on the outer walls of the locking claws (2.1), balls (2.2) and annular springs (2.4) are respectively arranged in the ball sockets and the neck grooves, the balls (2.2) are positioned among the ball frame (2.3), the ball sleeve (1.4) and the ball sockets, and the annular springs (2.4) restrain the upper ends of the locking claws (2.1) to inwards contract into a circle around the inner rings (2.5);
the bottom end part of the mechanism shaft (5.1) is provided with two steps with gradually reduced outer diameters, the maximum outer diameter of the step at the upper stage is larger than the inner diameter of the circumference after the locking claw (2.1) is contracted and is smaller than the inner diameter of the circumference formed by the locking claw (2.1) in a vertical state, the outer diameter of the middle part is smaller than the inner diameter of the inner ring (2.5), and the minimum outer diameter of the step at the lower stage is not larger than the inner diameter of a counter bore of the auxiliary locking sleeve (5.3);
the tripping movable iron core (3) comprises a movable iron core (3.1) which is positioned below the static iron core (1.2) and connected with a tension spring (6) and an annular tripping sleeve (3.2) embedded on the movable iron core (3.1), and the inner side of the tripping sleeve (3.2) is provided with an inclined plane which is abutted against the bottom end part of the locking claw (2.1);
the auxiliary lock catch sleeve (5.3) is a cylindrical sleeve with a counter bore in the center and a slope on the outer side.
2. The quick locking and releasing device for the repulsive force mechanism according to claim 1 is characterized in that a counter bore is formed in the center of the static iron core (1.2), the ball sleeve (1.4) is embedded in the counter bore, and an arc surface matched with the ball (2.2) is arranged inside the ball sleeve (1.4).
3. A quick locking and releasing device for a repulsive force mechanism according to claim 1, wherein the outside of the auxiliary locking sleeve (5.3) has an inclined surface against the bottom end of the locking claw (2.1).
4. A quick lock and release device for a repulsive force mechanism according to claim 1, characterized in that the inner slope of the release sleeve (3.2) is at an acute angle to the mechanism axis (5.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176427.6A CN111048365B (en) | 2019-11-26 | 2019-11-26 | Quick locking and tripping device for repulsion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176427.6A CN111048365B (en) | 2019-11-26 | 2019-11-26 | Quick locking and tripping device for repulsion mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111048365A CN111048365A (en) | 2020-04-21 |
| CN111048365B true CN111048365B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911176427.6A Active CN111048365B (en) | 2019-11-26 | 2019-11-26 | Quick locking and tripping device for repulsion mechanism |
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| CN (1) | CN111048365B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4216162A1 (en) * | 1991-07-26 | 1993-01-28 | Merit Elektrik Gmbh | Mechanical locking system for electric switch connection coupling |
| JP2000182472A (en) * | 1998-12-18 | 2000-06-30 | Yazaki Corp | Lever for vehicle operation |
| CN104405319A (en) * | 2014-12-09 | 2015-03-11 | 中国石油天然气集团公司 | Coiled tube throttling suspension tubular column location anchor and location anchoring method thereof |
| CN205074758U (en) * | 2015-10-21 | 2016-03-09 | 美之岚机械工业有限公司 | Automatic bottle opener screw magnetism floats clamping jaw |
| CN105798684A (en) * | 2014-12-29 | 2016-07-27 | 山东普鲁特机床有限公司 | Device for automatically exchanging milling heads |
| CN205445202U (en) * | 2016-04-11 | 2016-08-10 | 温州红成锁业有限公司 | Wirerope lock |
| CN207530883U (en) * | 2017-11-03 | 2018-06-22 | 东莞市赛卡律拉机电技术开发有限公司 | Push type clamp bracket |
| CN208580703U (en) * | 2018-08-30 | 2019-03-05 | 江苏大全凯帆电器股份有限公司 | Mechanical high-speed switch based on electromagnetic repulsion mechanism |
| CN109866571A (en) * | 2019-03-21 | 2019-06-11 | 郑州科技学院 | Control mechanism and intelligent apparatus |
-
2019
- 2019-11-26 CN CN201911176427.6A patent/CN111048365B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4216162A1 (en) * | 1991-07-26 | 1993-01-28 | Merit Elektrik Gmbh | Mechanical locking system for electric switch connection coupling |
| JP2000182472A (en) * | 1998-12-18 | 2000-06-30 | Yazaki Corp | Lever for vehicle operation |
| CN104405319A (en) * | 2014-12-09 | 2015-03-11 | 中国石油天然气集团公司 | Coiled tube throttling suspension tubular column location anchor and location anchoring method thereof |
| CN105798684A (en) * | 2014-12-29 | 2016-07-27 | 山东普鲁特机床有限公司 | Device for automatically exchanging milling heads |
| CN205074758U (en) * | 2015-10-21 | 2016-03-09 | 美之岚机械工业有限公司 | Automatic bottle opener screw magnetism floats clamping jaw |
| CN205445202U (en) * | 2016-04-11 | 2016-08-10 | 温州红成锁业有限公司 | Wirerope lock |
| CN207530883U (en) * | 2017-11-03 | 2018-06-22 | 东莞市赛卡律拉机电技术开发有限公司 | Push type clamp bracket |
| CN208580703U (en) * | 2018-08-30 | 2019-03-05 | 江苏大全凯帆电器股份有限公司 | Mechanical high-speed switch based on electromagnetic repulsion mechanism |
| CN109866571A (en) * | 2019-03-21 | 2019-06-11 | 郑州科技学院 | Control mechanism and intelligent apparatus |
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