CN112301913A - Floodgate machine core and floodgate machine - Google Patents
Floodgate machine core and floodgate machine Download PDFInfo
- Publication number
- CN112301913A CN112301913A CN201910705576.0A CN201910705576A CN112301913A CN 112301913 A CN112301913 A CN 112301913A CN 201910705576 A CN201910705576 A CN 201910705576A CN 112301913 A CN112301913 A CN 112301913A
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- Prior art keywords
- driving
- gate
- driven shaft
- shaft
- plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A gate movement comprises a driving part and a driven shaft, wherein the driving part is detachably connected with the driven shaft in a transmission way; the gate machine core further comprises a fixed seat, the driving part is movably fixed on one side of the fixed seat, the driven shaft is arranged on the other side of the fixed seat, at least one electromagnet is arranged on one side, facing the driving part, of the fixed seat, the driving part is provided with at least one magnetic suction plate at a position corresponding to the electromagnet, and the electromagnet is used for attracting the magnetic suction plate and enabling the driving part to be in transmission connection with the driven shaft when being electrified. At least one elastic piece is arranged between the fixed seat and the driving piece and used for pushing the driving piece and the fixed seat and separating the driving piece from the driven shaft when the power is cut off. The gate movement provided by the invention is provided with the electromagnet and the elastic piece, so that the driving piece and the driven shaft can be in clutch transmission connection, and when the power is off, the driven shaft and the driving piece are automatically separated, and the gate can freely rotate.
Description
Technical Field
The invention relates to the field of traffic control equipment, in particular to a gate movement and a gate.
Background
The floodgate machine core needs rely on the inside emergency power source who disposes in advance to supply power in order to open floodgate machine door when the outage in the existing market, and there is certain potential safety hazard in this kind of mode, and when battery electric quantity exhausts, the passway door just can't be opened.
Disclosure of Invention
Therefore, there is a need for a gate movement that can open a gate door after a power outage.
In addition, the invention also provides a gate with the gate movement.
A gate movement comprises a driving part and a driven shaft, wherein the driving part is detachably connected with the driven shaft in a transmission way.
The floodgate machine core still includes a fixing base, driving piece movably fixes one side of fixing base, the driven shaft sets up the opposite side at the fixing base, the fixing base orientation one side of driving piece sets up an at least electro-magnet, the driving piece in the position department that the electro-magnet corresponds sets up an at least magnetism suction disc, the electro-magnet is used for attracting when circular telegram magnetism suction disc makes the driving piece with the driven shaft transmission is connected.
At least one elastic piece is further arranged between the fixed seat and the driving piece and used for pushing the driving piece and the fixed seat and enabling the driving piece to be separated from the driven shaft when the power is cut off.
Furthermore, the fixing seat is provided with a through hole at a position corresponding to the driven shaft, the driving part comprises a driving shaft, the driving shaft is used for driving the driving part to rotate, and the driving shaft penetrates through the through hole and is separably connected with the driven shaft.
Furthermore, a non-rotating body is convexly formed at one end, close to the driven shaft, of the driving shaft, a first accommodating groove is concavely formed at one end, close to the non-rotating body, of the driven shaft, and the non-rotating body can be accommodated in the first accommodating groove.
Furthermore, the driving part further comprises a motor, a limiting disc in transmission connection with the motor and a grooved wheel in transmission connection with the limiting disc, the grooved wheel is clamped on the driving shaft, and the limiting disc and the grooved wheel are used for limiting the rotation angle and the direction of the driving shaft.
Furthermore, the motor comprises an output shaft, the output shaft is in transmission connection with the limiting disc, four columns are uniformly arranged on one side, away from the motor, of the limiting disc, two second accommodating grooves with outward openings and two third accommodating grooves with outward openings are arranged on one side, close to the limiting disc, of the grooved wheel, the two second accommodating grooves and the two third accommodating grooves are uniformly distributed, and one second accommodating groove is opposite to one third accommodating groove.
The second accommodating groove extends inwards along the radial direction of the grooved wheel, and the cylinder can be accommodated in the second accommodating groove, can reciprocate in the second accommodating groove and drives the grooved wheel to rotate.
The column body is fixedly contained in the third containing groove, and the column body is contained in the third containing groove and limits the grooved wheel to continue rotating.
Furthermore, a reduction gear is arranged between the output shaft and the limiting disc, the reduction gear is in transmission connection with the output shaft, one side of the reduction gear is fixedly connected with one side, deviating from the cylinder, of the limiting disc, and the reduction gear is used for reducing the rotating speed output by the motor and improving the output torque.
Furthermore, one side of the limiting disc, which is opposite to the reduction gear, is recessed inwards to form a plurality of fourth accommodating grooves, and a plurality of permanent magnets are fixed in the fourth accommodating grooves and used for adsorbing the reduction gear.
Furthermore, the driving member further comprises a first fixing plate, the motor is fixed on one side of the first fixing plate, and the output shaft of the motor penetrates through the first fixing plate to be in transmission connection with the reduction gear arranged on the other side of the first fixing plate.
An angle measuring rod is fixed at the center of the limiting disc, penetrates through the reduction gear and the first fixing plate and is exposed out of one side of the first fixing plate for fixing the motor, an angle measuring piece is further arranged at one end of the angle measuring rod, which is exposed out of the first fixing plate, and the limiting disc and the angle measuring piece can rotate at the same angular speed.
The first fixing plate is provided with at least one Hall sensor around the angle measuring piece on one side of the motor, the Hall sensors are used for recording position information of the angle measuring piece, and the rotating angle of the angle measuring piece is determined according to the position relation recorded by the two Hall sensors.
Furthermore, the driving part further comprises a second fixing plate, the second fixing plate is arranged between the grooved pulley and the fixing seat, one end of the driving shaft penetrates through the second fixing plate to be in transmission connection with the grooved pulley, the elastic part abuts against the second fixing seat and the fixing seat, the elastic part is in a compressed state or a natural state, and the magnetic suction plate is arranged at the position, corresponding to the electromagnet, of the second fixing seat.
Furthermore, the driving member further includes at least one guiding post, the guiding post passes through the elastic member, the second fixing plate and the first fixing plate, and the guiding post is used for fixing the second fixing plate and the first fixing plate and limiting the moving direction of the driving member relative to the fixing seat.
A gate comprises the gate core, a gate and a shell, wherein the gate comprises a gate shaft, the gate shaft is in transmission connection with the driven shaft of the gate core, and the shell accommodates the gate core and fixes the fixed seat.
The gate movement provided by the invention is provided with the electromagnet and the elastic piece, so that the driving piece and the driven shaft can be in clutch transmission connection, and when the power is off, the driven shaft and the driving piece are automatically separated, and the gate can freely rotate.
Drawings
Fig. 1 is an overall schematic view of a gate movement according to an embodiment of the present invention.
Figure 2 is another perspective view of the gate movement of figure 1.
Figure 3 is an exploded view of the gate movement of figure 2.
Figure 4 is an exploded view of the drive member of the brake movement of figure 2.
Figure 5 is an exploded view of the drive member shown in figure 4 from another angle.
Fig. 6 is a schematic diagram of a gate according to an embodiment of the present invention.
Description of the main elements
The following detailed description of the invention will be further described in conjunction with the above description of the drawings.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying fig. 1-6 of the specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 and fig. 2, the gate movement 100 provided in this embodiment includes a driving element 10 and a driven shaft 20, and the driving element 10 is in transmission connection with the driven shaft 20. Specifically, the gate movement 100 further includes a fixing seat 30, the driving element 10 is movably fixed on one side of the fixing seat 30, and the driven shaft 20 is disposed on the other side of the fixing seat 30. The fixing seat 30 faces one side of the driving part 10 and is provided with at least one electromagnet 31, the driving part 10 is provided with at least one magnetic attraction plate 11 (fig. 2) at a position corresponding to the electromagnet 31, the fixing seat 30 and at least one elastic piece 32 is further arranged between the driving part 10, the electromagnet 31 is used for attracting the magnetic attraction plate 11 and enabling the driving part 10 to be in transmission connection with the driven shaft 20 when being electrified, and the elastic piece 32 is used for strutting the driving part 10 and the fixing seat 30 and enabling the driving part 10 to be separated from the driven shaft 20 when being powered off.
In this embodiment, the magnetic attraction plate 11 is made of a ferromagnetic material, and may be one or more of iron, cobalt, and nickel.
In another embodiment, the magnetic attraction plate 11 is a permanent magnet material, and may be one or more of a neodymium iron boron magnet, a samarium cobalt magnet, an alnico magnet, or a ferrite permanent magnet material.
Referring to fig. 1 to 3, in the present embodiment, a through hole 33 is formed in the fixing seat 30 at a position corresponding to the driven shaft 20, the driving element 10 includes a driving shaft 12, the driving shaft 12 is used for outputting the rotation torque of the driving element 10, and the driving shaft 12 passes through the through hole 33 and is detachably connected to the driven shaft 20. Specifically, a non-rotating body 121 is convexly formed at one end of the driving shaft 12 close to the driven shaft 20, a first accommodating groove 21 is concavely formed at one end of the driven shaft 20 close to the non-rotating body 121, the first accommodating groove 21 and the non-rotating body 121 have the same shape and size, and the non-rotating body 121 can be accommodated in the first accommodating groove 21 when the power is turned on, at this time, the driving shaft 12 drives the driven shaft 20 to rotate, when the power is turned off, the non-rotating body 121 is separated from the first accommodating groove 21, and at this time, the driving shaft 12 is separated from the driven shaft 20.
Referring to fig. 4 to 5, in the present embodiment, the driving member 10 further includes a motor 13, a limiting disc 14 connected to the motor 13 in a transmission manner, and a sheave 15 connected to the limiting disc 14 in a transmission manner, the sheave 15 is clamped on the driving shaft 12, specifically, the motor 13 includes an output shaft 131, the output shaft 131 is connected to the limiting disc 14 in a transmission manner, four columns 141 are uniformly disposed on a side of the limiting disc 14 away from the motor 13, two second receiving grooves 151 with outward openings and two third receiving grooves 152 with outward openings are disposed on a side of the sheave 15 close to the limiting disc 14, the two second receiving grooves 151 and the two third receiving grooves 152 are uniformly distributed, each second receiving groove 151 is opposite to each third receiving groove 152, the second receiving grooves 151 extend inward along a radial direction of the sheave 15, the cylinder 141 can be accommodated in the second accommodating groove 151 and can reciprocate in the second accommodating groove 151, the shape and size of the third accommodating groove 152 are the same as those of the cylinder 141, the cylinder 141 can be accommodated in the third accommodating groove 152 but cannot move in the third accommodating groove 152, so that when the cylinder 141 is just accommodated in one second accommodating groove 151 and the other cylinder 141 is completely accommodated in one third accommodating groove 152, the sheave 15 is rotated by 180 ° in one direction, and the driving shaft 12 is rotated by 180 ° in the other direction by the driving of the cylinder 141.
In this embodiment, a reduction gear 16 is further disposed between the output shaft 131 and the limiting disc 14, the reduction gear 16 is in transmission connection with the output shaft 131, one side of the reduction gear 16 is fixedly connected with one side of the limiting disc 14, which is away from the cylinder 141, and the reduction gear 16 is used for reducing the rotation speed output by the motor 13 and increasing the output torque.
In this embodiment, referring to fig. 4 and fig. 5, a side of the limiting disc 14 opposite to the reduction gear 16 is recessed inward to form a plurality of fourth receiving grooves 145, a plurality of permanent magnets 143 are fixed in the fourth receiving grooves 145, the reduction gear 16 is made of one or more of iron, cobalt, nickel and alloys thereof, and the permanent magnets 143 are used for adsorbing the reduction gear 16. The permanent magnet 143 can adsorb the limiting disc 14 to facilitate the detachment of the limiting disc 14 from the reduction gear 16.
In this embodiment, the driving member 10 further includes a first fixing plate 17, one side of the first fixing plate 17 is fixed with the motor 13, the output shaft 131 of the motor 13 passes through the first fixing plate 17 and is in transmission connection with the reduction gear 16 disposed on the other side of the first fixing plate 17, the central position of the limiting disc 14 is fixed with an angle measuring rod 144, the angle measuring rod 144 passes through the reduction gear 16 and the first fixing plate 17 and is exposed to one side of the first fixing plate 17, on which the motor 13 is fixed, the end of the angle measuring rod 144 is further provided with an angle measuring plate 1441, and the limiting disc 14 and the angle measuring plate 1441 can rotate at the same angular speed. The first fixing plate 17 is provided with at least one hall sensor 171 around the angle measuring piece 1441 on one side of the motor 13, the hall sensor 171 is used for recording position information of the angle measuring piece 1441, and the rotating angle of the angle measuring piece 1441 can be determined according to the position relationship of the two hall sensors 171.
The principle of the hall sensor 171 recording the position information of the goniometer blade 1441 is that: the hall sensor 171 has a laser emitting hole (not shown) through which laser light can be emitted, the goniometer 1441 can move below the laser emitting hole and block the propagation of the laser light, and the laser light is reflected back to the hall sensor 171 from one side of the goniometer 1441, and the hall sensor 171 can sense the reflected laser light, thereby determining the position information of the goniometer 1441.
In the present embodiment, three hall sensors 171 are distributed around the goniometer blade 1441, and two adjacent hall sensors 171 are at 90 ° to each other. As such, the hall sensor 171 can sense three different positions of the goniometer blade 1441.
Referring to fig. 3, in the present embodiment, the driving member 10 further includes a second fixing plate 18, the second fixing plate 18 is disposed between the grooved pulley 15 and the fixing seat 30, one end of the driving shaft 12 passes through the second fixing plate 18 and is in transmission connection with the grooved pulley 15, the elastic member 32 abuts between the second fixing plate 18 and the fixing seat 30, the elastic member 32 is in a compressed state or a natural state, and the magnetic attraction plate 11 is disposed at a position of the second fixing plate 18 corresponding to the electromagnet 31.
In this embodiment, the elastic member 32 is a spring.
In this embodiment, the driving member 10 further includes at least one guiding post 19, the guiding post 19 passes through the elastic member 32, the second fixing plate 18 and the first fixing plate 17, and the guiding post 19 is used for fixing the second fixing plate 18 and the first fixing plate 17 and defining the moving direction of the driving member 10 relative to the fixing seat 30.
Referring to fig. 6, an embodiment of the present invention further provides a gate 200, where the gate 200 includes the gate core 100, a gate 201 and a housing 202, the gate 201 includes a gate shaft 2011, the gate shaft 2011 is in transmission connection with the driven shaft 20 of the gate core 100, and the housing 202 accommodates the gate core 100 and fixes the fixing seat 30.
The gate movement provided by the invention is provided with the electromagnet and the elastic piece, so that the driving piece and the driven shaft can be in clutch transmission connection, and when the power is off, the driven shaft and the driving piece are automatically separated, and the gate can freely rotate.
In addition, those skilled in the art should recognize that the foregoing embodiments are illustrative only, and not limiting, and that appropriate changes and modifications can be made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. A gate movement is characterized by comprising a driving part and a driven shaft, wherein the driving part is detachably connected with the driven shaft in a transmission way;
the gate machine core further comprises a fixed seat, the driving part is movably fixed on one side of the fixed seat, the driven shaft is arranged on the other side of the fixed seat, at least one electromagnet is arranged on one side, facing the driving part, of the fixed seat, at least one magnetic suction plate is arranged on the driving part, and the electromagnet is used for attracting the magnetic suction plate and enabling the driving part to be in transmission connection with the driven shaft when the electromagnet is electrified;
at least one elastic piece is further arranged between the fixed seat and the driving piece and used for pushing the driving piece and the fixed seat and enabling the driving piece to be separated from the driven shaft when the power is cut off.
2. The gate movement of claim 1, wherein the fixed seat has a through hole at a position corresponding to the driven shaft, and the driving member includes a driving shaft for driving the driving member to rotate, and the driving shaft passes through the through hole and is detachably connected to the driven shaft.
3. The gate movement of claim 2, wherein an end of the driving shaft adjacent to the driven shaft is provided with a non-rotating body in a protruding manner, and an end of the driven shaft adjacent to the non-rotating body is provided with a first receiving groove in a recessed manner, and the non-rotating body is received in the first receiving groove.
4. The brake mechanism of claim 2, wherein the driving member further comprises a motor, a limiting plate in transmission connection with the motor, and a sheave in transmission connection with the limiting plate, the sheave is engaged with the driving shaft, and the limiting plate and the sheave are used to limit the rotation angle and direction of the driving shaft.
5. The gate movement according to claim 4, wherein the motor includes an output shaft, the output shaft is in transmission connection with the limiting disc, four columns are disposed on a side of the limiting disc away from the motor, two second receiving grooves with outward openings and two third receiving grooves with outward openings are disposed on a side of the sheave close to the limiting disc, the two second receiving grooves and the two third receiving grooves are uniformly distributed, and one second receiving groove is disposed opposite to one third receiving groove;
the second accommodating groove extends inwards along the radial direction of the grooved wheel, and the cylinder can be accommodated in the second accommodating groove, reciprocates in the second accommodating groove and drives the grooved wheel to rotate;
the column body is fixedly contained in the third containing groove, and the column body is contained in the third containing groove and limits the grooved wheel to continue rotating.
6. The gate movement according to claim 5, wherein a reduction gear is further provided between the output shaft and the limiting disc, the reduction gear is in transmission connection with the output shaft, one side of the reduction gear is fixedly connected with one side of the limiting disc, which is away from the cylinder, and the reduction gear is used for reducing the rotational speed output by the motor and increasing the output torque.
7. The movement of claim 6, wherein a side of the limiting disc opposite to the reduction gear is recessed inward to form a plurality of fourth receiving grooves, and a plurality of permanent magnets are fixed in the fourth receiving grooves and used for adsorbing the reduction gear.
8. The gate movement of claim 6, wherein the driving member further comprises a first fixed plate, one side of the first fixed plate is fixed with the motor, and the output shaft of the motor passes through the first fixed plate and is in transmission connection with the reduction gear provided on the other side of the first fixed plate;
an angle measuring rod is fixed at the central position of the limiting disc, penetrates through the reduction gear and the first fixing plate and is exposed out of one side of the first fixing plate for fixing the motor, an angle measuring piece is further arranged at one end part of the angle measuring rod, which is exposed out of the first fixing plate, and the limiting disc and the angle measuring piece can rotate at the same angular speed;
the first fixing plate is provided with at least one Hall sensor around the angle measuring piece on one side of the motor, the Hall sensors are used for recording position information of the angle measuring piece, and the rotating angle of the angle measuring piece is determined according to the position relation recorded by the two Hall sensors.
9. The movement of claim 8, wherein the driving member further includes a second fixing plate disposed between the sheave and the fixing base, one end of the driving shaft passes through the second fixing plate and is drivingly connected to the sheave, the elastic member abuts between the second fixing base and the fixing base, the elastic member is in a compressed state or a natural state, and the magnetic attraction plate is disposed at a position of the second fixing base corresponding to the electromagnet.
10. The gate movement of claim 9, wherein the driving member further includes at least one guide post, the guide post passing through the elastic member, the second fixing plate and the first fixing plate, the guide post being used for fixing the second fixing plate and the first fixing plate and defining a moving direction of the driving member relative to the fixing seat.
11. A gate comprising a gate core according to any one of claims 1 to 10, a gate and a housing, wherein the gate comprises a gate shaft, the gate shaft is in transmission connection with the driven shaft of the gate core, and the housing accommodates the gate core and fixes the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705576.0A CN112301913A (en) | 2019-08-01 | 2019-08-01 | Floodgate machine core and floodgate machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705576.0A CN112301913A (en) | 2019-08-01 | 2019-08-01 | Floodgate machine core and floodgate machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112301913A true CN112301913A (en) | 2021-02-02 |
Family
ID=74485643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910705576.0A Pending CN112301913A (en) | 2019-08-01 | 2019-08-01 | Floodgate machine core and floodgate machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112301913A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962490A (en) * | 2021-02-25 | 2021-06-15 | 嘉兴学院 | Ticket checking gate device |
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| CN203096645U (en) * | 2013-01-15 | 2013-07-31 | 深圳市同步闸机有限公司 | Automatic gate swinging movement |
| CN203559369U (en) * | 2013-10-18 | 2014-04-23 | 广东安居宝智能控制系统有限公司 | Automatic swing gate machine and machine core thereof |
| CN204311378U (en) * | 2014-10-22 | 2015-05-06 | 富鼎电子科技(嘉善)有限公司 | Intelligence pendulum lock |
| CN106012899A (en) * | 2016-06-15 | 2016-10-12 | 东莞市中控电子技术有限公司 | Gate machine core |
| CN206498315U (en) * | 2017-02-09 | 2017-09-15 | 福建星辉婴童用品有限公司 | A kind of utilization magnetic force realizes the limited torque clutch of clutch |
| CN207017187U (en) * | 2017-07-07 | 2018-02-16 | 中控智慧科技股份有限公司 | Swing turnstile movement |
| CN108547237A (en) * | 2018-04-25 | 2018-09-18 | 绵阳市维博电子有限责任公司 | A kind of gate inhibition's lifeline |
| CN208870949U (en) * | 2018-08-04 | 2019-05-17 | 深圳三火科技有限公司 | A kind of Permanent Magnet Clutch |
| CN209178879U (en) * | 2018-11-21 | 2019-07-30 | 贾明辉 | Swing turnstile driving device |
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2019
- 2019-08-01 CN CN201910705576.0A patent/CN112301913A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203096645U (en) * | 2013-01-15 | 2013-07-31 | 深圳市同步闸机有限公司 | Automatic gate swinging movement |
| CN203559369U (en) * | 2013-10-18 | 2014-04-23 | 广东安居宝智能控制系统有限公司 | Automatic swing gate machine and machine core thereof |
| CN204311378U (en) * | 2014-10-22 | 2015-05-06 | 富鼎电子科技(嘉善)有限公司 | Intelligence pendulum lock |
| CN106012899A (en) * | 2016-06-15 | 2016-10-12 | 东莞市中控电子技术有限公司 | Gate machine core |
| CN206498315U (en) * | 2017-02-09 | 2017-09-15 | 福建星辉婴童用品有限公司 | A kind of utilization magnetic force realizes the limited torque clutch of clutch |
| CN207017187U (en) * | 2017-07-07 | 2018-02-16 | 中控智慧科技股份有限公司 | Swing turnstile movement |
| CN108547237A (en) * | 2018-04-25 | 2018-09-18 | 绵阳市维博电子有限责任公司 | A kind of gate inhibition's lifeline |
| CN208870949U (en) * | 2018-08-04 | 2019-05-17 | 深圳三火科技有限公司 | A kind of Permanent Magnet Clutch |
| CN209178879U (en) * | 2018-11-21 | 2019-07-30 | 贾明辉 | Swing turnstile driving device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962490A (en) * | 2021-02-25 | 2021-06-15 | 嘉兴学院 | Ticket checking gate device |
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Application publication date: 20210202 |