CN112260474A - Right-angle linkage double-acting operating device - Google Patents
Right-angle linkage double-acting operating device Download PDFInfo
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- CN112260474A CN112260474A CN202011101716.2A CN202011101716A CN112260474A CN 112260474 A CN112260474 A CN 112260474A CN 202011101716 A CN202011101716 A CN 202011101716A CN 112260474 A CN112260474 A CN 112260474A
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- power transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- Transmission Devices (AREA)
Abstract
The invention discloses a right-angle linkage double-acting operating device which comprises a power input gear, a power transmission gear, a power output gear, a transmission assembly, a power output assembly, a power input assembly and a protective box body, wherein the power output assembly is arranged in the protective box body; the invention belongs to the technical field of turbine operating devices, and particularly relates to a right-angle linkage double-acting operating device capable of simultaneously realizing rotation motion of a straight line following a plane by ninety degrees.
Description
Technical Field
The invention belongs to the technical field of turbine operating devices, and particularly relates to a right-angle linkage double-acting operating device.
Background
The turbine operating device and the bevel gear operating device which are widely applied to the market only can realize two single-type motions of linear motion or plane rotation motion, and no operating device which can simultaneously realize nine-ten-degree rotation motion of a linear plane and a plane exists. Thus, it is not possible to use a compatible operating device that can simultaneously effect a ninety degree rotation movement from a straight line to a flat plane for products requiring such a device.
Disclosure of Invention
In view of the above, to overcome the drawbacks of the prior art, the present invention provides a right-angle linkage double-acting operating device capable of simultaneously realizing a rotation movement of a straight line followed by a plane of ninety degrees.
The technical scheme adopted by the invention is as follows: the invention relates to a right-angle linkage double-acting operating device which comprises a power input gear, a power transmission gear, a power output gear, a transmission assembly, a power output assembly, a power input assembly and a protective box body, wherein the power output assembly is arranged in the protective box body, the power output gear is arranged on the power output assembly, the power input assembly is arranged in the protective box body, the power input gear is arranged on the power input assembly, a transmission assembly is arranged in the protective box body, the power transmission gear is arranged on the transmission assembly, the transmission assembly is connected with the power output assembly, the transmission assembly is connected with the power input assembly, the power output assembly comprises a power output shaft, a conical roller bearing, a valve rod nut and a bearing sleeve belt, a convex table is arranged on one side in the protective box body, and a penetrating hole is arranged on the convex table, tapered roller bearing locates convex platform inner chamber bottom, on tapered roller bearing was located to valve-stem nut pressure, valve-stem nut one end was equipped with the boss, it is downthehole that the penetrability is located to valve-stem nut boss one end, penetrability inner chamber upside is equipped with the screw thread, bearing housing area one end is equipped with the screw thread, the bearing housing area cover locate on the valve-stem nut and with penetrability threaded connection, the less one end of power output shaft passes in proper order and pierces through the hole, tapered roller bearing and valve-stem nut rotatable locate in the protective housing, power output shaft and valve-stem nut threaded connection, power output gear locates on the valve-stem nut, it is spacing that power output gear and valve-stem nut pass through the key that valve-stem nut side set up, valve-stem nut and power output gear pass through round nut and fix.
Further, the transmission assembly comprises a power transmission shaft, a radial ball bearing I, a bearing cover I, a cam, a force arm I, a force arm II and a transmission rod, a concave table is arranged in the protective box relative to the other side of the convex table, the diameter of one end of the power transmission shaft is larger, the radial ball bearing I is arranged on the upper side and the lower side of the larger end of the power transmission shaft, the power transmission shaft is rotatably arranged in the concave table, threads are arranged on the inner side of the concave table, threads are arranged at the bottom of the bearing cover I, the bearing cover I is in threaded connection with the inner side of the concave table, the bearing cover I is arranged on the power transmission shaft in a sleeved mode, the power transmission gear is a half gear lacking partial teeth, the power transmission gear is arranged on the power transmission shaft, a convex block is arranged at, the power transmission gear and the power transmission shaft are connected through a key for limiting, the power transmission gear and the power transmission shaft are fixed through a round nut, a stroke adjusting screw is arranged in the protective box body and corresponds to the lug of the power transmission gear, one end of the stroke adjusting screw, which is contacted with the lug, is conical, the center of the cam is arranged on the power transmission shaft, the cam and the power transmission shaft are limited through the key, the cam and the power transmission shaft are fixed through the round nut, the force arm I is fixedly connected with the power output shaft through the nut, the other end of the force arm is provided with a cylinder, one end of the force arm II is hinged with the cylinder, one end of the transmission rod is hinged with the other end of the force arm II, a rectangular boss with a round hole is arranged on the side surface of the protective box body, and the round hole of, the other end of the transmission rod penetrates through the rectangular boss, a connecting pin is welded to the other end of the transmission rod, the lower end of the connecting pin protrudes out of the transmission rod, a guide groove is formed in the cam, and the connecting pin is slidably arranged in the guide groove.
Further, a box cover is arranged on the protective box body, an upper boss is arranged on the box cover, an upper through hole is formed in the upper boss, the power input assembly comprises a power input shaft, a radial ball bearing II, a spacer ring, a thrust bearing and a bearing cover II, the power input shaft penetrates through the upper through hole and is rotatably arranged in the upper through hole, an input shaft boss is arranged on the power input shaft and is positioned in the upper through hole, the thrust bearing is arranged on the upper side and the lower side of the input shaft boss in the upper through hole, the spacer ring is sleeved on the power input shaft and is positioned in the upper through hole, the radial ball bearing II is arranged between the power input shaft and the upper through hole on the spacer ring, the bearing cover II is sleeved on the power input shaft and is in threaded connection with the upper through hole, a middle boss is arranged in the protective box body, and a radial ball bearing III is arranged in the middle, the power input shaft penetrates through the middle boss and the radial ball bearing III, the bearing cover III is connected to the middle boss in a threaded mode, the center of the power input gear is fixed to the power input shaft in a limiting mode through a key, the power input gear and the power input shaft are fixed through a nut, and the power input gear is meshed with the power transmission gear.
Further, the power output shaft can be rotatably arranged on the box cover.
Furthermore, the power of the power input shaft adopts an external motor or a hand wheel or a pneumatic device.
Further, the bearing cap is locked by a bolt.
Further, the protection box body and the box cover are locked through bolts.
The invention with the structure has the following beneficial effects: this scheme is two effect operating means of right angle linkage, drives power input gear initiative through power input subassembly, and then drives power drive gear and rotate, and then drives power output subassembly and power drive gear rotation through transmission subassembly to through transmission subassembly's specific setting, can realize simultaneously that the straight line is right angle linkage dual-purpose operation of ninety degrees rotary motion in the plane after that, improved application scope.
Drawings
FIG. 1 is a schematic view of the overall internal structure of a right-angle linkage double-acting operating device according to the present invention;
fig. 2 is an exploded view of the right angle linkage double action operating device of the present invention.
The power transmission device comprises a power input gear 1, a power input gear 2, a power transmission gear 3, a power output gear 4, a transmission assembly 5, a power output assembly 6, a power input assembly 7, a protective box 8, a power output shaft 9, a tapered roller bearing 10, a valve rod nut 11, a bearing sleeve belt 12, a convex table 13, a penetrating hole 14, a boss 15, a power transmission shaft 16, a radial ball bearing I17, a bearing cover I18, a cam 19, a force arm I20, a force arm II 21, a transmission rod 22, a concave table 23, a boss 24, a stroke adjusting screw 25, a cylinder 26, a rectangular boss 27, a connecting pin 28, a guide groove 29, a box cover 30, an upper boss 31, an upper through hole 32, a power input shaft 33, a radial ball bearing II 34, a spacer ring 35, a thrust bearing 36, a radial ball bearing II 34, a spacer ring 35, a thrust bearing, a power input assembly 36, a power output assembly, a, Bearing caps II, 37, radial ball bearings III, 38 and bearing cap III.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the operating device with double functions of right angle linkage of the present invention comprises a power input gear 1, a power transmission gear 2, a power output gear 3, a transmission assembly 4, a power output assembly 5, a power input assembly 6 and a protective box 7, wherein the power output assembly 5 is arranged in the protective box 7, the power output gear 3 is arranged on the power output assembly 5, the power input assembly 6 is arranged in the protective box 7, the power input gear 1 is arranged on the power input assembly 6, the transmission assembly is arranged in the protective box 7, the power transmission gear 2 is arranged on the transmission assembly 4, the transmission assembly 4 is connected with the power output assembly 5, the transmission assembly 4 is connected with the power input assembly 6, the power output assembly 5 comprises a power output shaft 8, a tapered roller bearing 9, a cam follower, a, Valve-stem nut 10 and bearing sleeve belt 11, one side is equipped with convex platform 12 in the protection box 7, be equipped with through hole 13 on the convex platform 12, conical roller bearing 9 is located convex platform 12 inner chamber bottom, valve-stem nut 10 presses and locates on conical roller bearing 9, valve-stem nut 10 one end is equipped with boss 14, 14 one end of valve-stem nut 10 boss is located in through hole 13, 13 inner chamber upside in through hole is equipped with the screw thread, 11 one end in the bearing sleeve belt is equipped with the screw thread, 11 covers locate on valve-stem nut 10 and with through hole 13 threaded connection, the less one end of power output shaft 8 passes through hole 13, conical roller bearing 9 and valve-stem nut 10 in proper order and can rotate and locate in the protection box 7, power output shaft 8 and valve-stem nut 10 threaded connection, power output gear 3 locates on valve-stem nut 10, the power output gear 3 and the valve rod nut 10 are limited through keys arranged on the side face of the valve rod nut 10, and the valve rod nut 10 and the power output gear 3 are fixed through round nuts.
Wherein, the transmission assembly 4 comprises a power transmission shaft 15, a radial ball bearing 16, a bearing cover 17, a cam 18, a force arm 19, a force arm two 20 and a transmission rod 21, a concave table 22 is arranged in the protection box body 7 opposite to the convex table 12, one end of the power transmission shaft 15 has a larger diameter, the radial ball bearing 16 is arranged at the upper side and the lower side of the larger end of the power transmission shaft 15, the power transmission shaft 15 can be rotatably arranged in the concave table 22, threads are arranged at the inner side of the concave table 22, threads are arranged at the bottom of the bearing cover 17, the bearing cover 17 is in threaded connection with the inner side of the concave table 22, the bearing cover 17 is sleeved on the power transmission shaft 15, the power transmission gear 2 is a half gear lacking partial teeth, the power transmission gear 2 is arranged on the power transmission shaft 15, and a convex block 23 is arranged at one end of a gap, the rotation angle of the power transmission gear 2 is limited, the connection part of the power transmission gear 2 and the power transmission shaft 15 is limited through a key, the power transmission gear 2 and the power transmission shaft 15 are fixed through a round nut, a stroke adjusting screw 24 is arranged in the protective box body 7 and at the position corresponding to a lug 23 of the power transmission gear 2, one end, in contact with the lug 23, of the stroke adjusting screw 24 is conical, the center of the cam 18 is arranged on the power transmission shaft 15, the cam 18 and the power transmission shaft 15 are limited through the key, the cam 18 and the power transmission shaft 15 are fixed through the round nut, the first moment arm 19 and the power output shaft 8 are fixedly connected through the nut, the other end of the moment arm is provided with a cylinder 25, one end of the second moment arm 20 is hinged with the cylinder 25, one end of the transmission rod 21 is hinged with the other, the side of the protective box body 7 is provided with a rectangular boss 26 with a round hole, the round hole of the rectangular boss 26 is vertical to the power output shaft 8 and the power transmission shaft 15, the other end of the transmission rod 21 penetrates through the rectangular boss 26, the other end of the transmission rod 21 is welded with a connecting pin 27, the lower end of the connecting pin 27 protrudes out of the transmission rod 21, the cam 18 is provided with a guide groove 28, and the connecting pin 27 is slidably arranged in the guide groove 28.
The protective box body 7 is provided with a box cover 29, the box cover 29 is provided with an upper boss 30, the upper boss 30 is internally provided with an upper through hole 31, the power input assembly 6 comprises a power input shaft 32, a radial ball bearing II 33, a spacer ring 34, a thrust bearing 35 and a bearing cover II 36, the power input shaft 32 passes through the upper through hole 31 and is rotatably arranged in the upper through hole 31, the power input shaft 32 is provided with an input shaft boss 14, the input shaft boss 14 is positioned in the upper through hole 31, the thrust bearing 35 is arranged at the upper side and the lower side of the input shaft boss 14 in the upper through hole 31, the spacer ring 34 is sleeved on the power input shaft 32 and is positioned in the upper through hole 31, the radial ball bearing II 33 is arranged between the power input shaft 32 and the upper through hole 31 on the spacer ring 34, the bearing cover II 36 is sleeved on the power input shaft 32, and the bearing cover II 36 is in threaded connection with the, the protection box body 7 is internally provided with a middle boss 14, the middle boss 14 is internally provided with a third radial ball bearing 37, the power input shaft 32 penetrates through the middle boss 14 and the third radial ball bearing 37, the middle boss 14 is connected with a third bearing cover 38 in a threaded manner, the center of the power input gear 1 is limited and fixed with the power input shaft 32 through a key, the power input gear 1 and the power input shaft 32 are fixed through a nut, and the power input gear 1 is meshed with the power transmission gear 2.
The power output shaft 8 is rotatably arranged on the box cover 29.
The power of the power input shaft 32 adopts an external motor or a hand wheel or a pneumatic device.
And the second bearing cover 36 is locked through a bolt.
The protective case 7 and the case cover 29 are locked by bolts.
When in use, the power input shaft 32 rotates clockwise after receiving external power and simultaneously drives the lower power input gear 1 to rotate synchronously, thereby driving the power transmission gear 2 to rotate in a synchronous reverse-time needle direction, further the power transmission gear 2 drives the power transmission shaft 15 and the cam 18 on the upper part of the transmission shaft to synchronously rotate, the rotating cam 18 drives the transmission rod 21 hung in the guide groove 28 to do reciprocating linear motion, when the cam 18 drives the transmission rod 21 to do linear motion inwards, and then the second power pushing arm 20 pushes the first power pushing arm 19 to rotate 90 degrees inwards, and simultaneously drives the power output shaft 8 to rotate 90 degrees, because the tooth-missing part of the power transmission gear 2 faces the power output gear 3, therefore, when the power transmission gear 2 rotates, the power output gear 3 is not driven to rotate, and the power output gear 3 and the connected valve rod nut 10 are in a static state; when the rotating cam 18 pushes the transmission rod 21 to move linearly outwards, and the transmission rod 21 moves linearly outwards, the second pushing force arm 20 pushes the first power arm 19 to rotate 90 degrees outwards, and simultaneously drives the power output shaft 8 to rotate 90 degrees, the toothed part of the power transmission gear 2 starts to be meshed with the teeth of the power output gear 3, and drives the power output gear 3 to rotate clockwise in the reverse direction, and drives the valve rod nut 10 to rotate synchronously, the valve rod nut 10 which rotates moves rotationally drives the power output shaft 8 to rotate synchronously, and when the power output shaft 8 rotates clockwise, the power output shaft 8 can move downwards under the action force of threads. When the cam 23 of the power transmission gear 2 is rotated to the stroke adjustment screw 24 and hits, the gear stops moving. Thus, the power output shaft 8 completes the action of rotating by 90 degrees and descending downwards; on the contrary, when the power input shaft 32 rotates counterclockwise under the action of external force, the power input gear 1 is driven to rotate counterclockwise synchronously, when the power input gear 1 rotates counterclockwise synchronously, the power transmission gear 2 is driven to rotate clockwise reversely, the power transmission half gear rotates clockwise to drive the valve stem nut 10 to rotate reversely, when the valve stem nut 10 rotates counterclockwise reversely, the power output shaft 8 is driven to rotate synchronously, the power output shaft 8 is lifted upwards under the action of the thread during rotation, when the power output shaft 8 is lifted to a set height, the teeth of the power transmission gear 2 are disengaged from the power output gear 3, the power output gear 3 loses power and does not drive the power output shaft 8 to rotate any more, the power transmission shaft 15 continues to rotate under the drive of the power input shaft 32 and drives the upper cam 18 to rotate synchronously, the rotating cam 18 drives the transmission rod 21 hung in the guide groove 28 to move linearly inwards, simultaneously, the second moment arm 20 connected with the second moment arm and the first moment arm 19 connected with the second moment arm 20 synchronously move inwards, and the first moment arm 19 rotates 90 degrees anticlockwise. At this point, the cam 23 of the power transmission half gear hits the stroke adjustment screw 24. And the external power stops continuously inputting power, the whole device stops acting, and the set action of enabling the power output shaft 8 to finish rising and rotating by 90 degrees is finished.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A right angle linkage double-acting operating device is characterized in that: the power output assembly is arranged in the protective box body, the power output gear is arranged on the power output assembly, the power input assembly is arranged in the protective box body, the power input assembly is arranged on the power input assembly, the conveying assembly is arranged in the protective box body, the power transmission gear is arranged on the transmission assembly, the transmission assembly is connected with the power output assembly, the transmission assembly is connected with the power input assembly, the power output assembly comprises a power output shaft, a conical roller bearing, a valve rod nut and a bearing sleeve belt, a convex table is arranged on one side in the protective box body, a penetrating hole is arranged on the convex table, the conical roller bearing is arranged at the bottom of an inner cavity of the convex table, and the valve rod nut is pressed on the conical roller bearing, valve-stem nut one end is equipped with the boss, in the penetrable hole is located to valve-stem nut boss one end, penetrable hole inner chamber upside is equipped with the screw thread, bearing sleeve area one end is equipped with the screw thread, the bearing sleeve area cover locate on valve-stem nut and with penetrable hole threaded connection, the less one end of power output shaft passes penetrable hole, tapered roller bearing and the rotatable guard box of locating of valve-stem nut in proper order, power output shaft and valve-stem nut threaded connection, power output gear locates on the valve-stem nut, it is spacing that power output gear and valve-stem nut pass through the key that the valve-stem nut side set up, valve-stem nut and power output gear pass through round nut and fix.
2. A right angle ganged double action operating apparatus as set forth in claim 1, wherein: the transmission assembly comprises a power transmission shaft, a radial ball bearing I, a bearing cover I, a cam, a force arm I, a force arm II and a transmission rod, wherein a concave table is arranged on the other side of the convex table in the protective box, the diameter of one end of the power transmission shaft is larger, the radial ball bearing I is arranged on the upper side and the lower side of the larger end of the power transmission shaft, the power transmission shaft is rotatably arranged in the concave table, threads are arranged on the inner side of the concave table, threads are arranged at the bottom of the bearing cover I, the bearing cover I is in threaded connection with the inner side of the concave table, the bearing cover I is sleeved on the power transmission shaft, the power transmission gear is a half gear lacking partial teeth, the power transmission gear is arranged on the power transmission shaft, a convex block is arranged at one end of a notch of the power transmission gear to limit, the power transmission gear and the power transmission shaft are fixed through a worker nut, a stroke adjusting screw is arranged in the protective box body and corresponds to a power transmission gear lug, one end, in contact with the lug, of the stroke adjusting screw is conical, the center of the cam is arranged on the power transmission shaft, the cam and the power transmission shaft are limited through a key, the cam and the power transmission shaft are fixed through a round nut, the force arm I and the power output shaft are fixedly connected through a nut, the other end of the force arm is provided with a cylinder, one end of the force arm II is hinged with the cylinder, one end of the transmission rod is hinged with the other end of the force arm II, a rectangular boss with a round hole is arranged on the side face of the protective box body, the round hole of the rectangular boss is perpendicular to the power output shaft and the power transmission shaft, the other end, the lower end of the connecting pin protrudes out of the transmission rod, the cam is provided with a guide groove, and the connecting pin is slidably arranged in the guide groove.
3. A right angle ganged double action operating apparatus as claimed in claim 2, wherein: the protective box body is provided with a box cover, the box cover is provided with an upper boss, the upper boss is internally provided with an upper through hole, the power input assembly comprises a power input shaft, a radial ball bearing II, a spacer ring, a thrust bearing and a bearing cover II, the power input shaft penetrates through the upper through hole and is rotatably arranged in the upper through hole, the power input shaft is provided with an input shaft boss, the input shaft boss is positioned in the upper through hole, the thrust bearing is arranged at the upper side and the lower side of the input shaft boss in the upper through hole, the spacer ring is sleeved on the power input shaft and is positioned in the upper through hole, the radial ball bearing II is arranged between the power input shaft and the upper through hole on the spacer ring, the bearing cover II is sleeved on the power input shaft and is in threaded connection with the upper through hole, the protective box body is internally provided with a middle boss, the middle boss is internally provided with a radial ball bearing III, the middle boss is in threaded connection with a third bearing cover, the center of the power input gear is limited and fixed with the power input shaft through a key, the power input gear and the power input shaft are fixed through a nut, and the power input gear is meshed with the power transmission gear.
4. A right angle ganged double action operating apparatus as claimed in claim 3, wherein: the power output shaft is rotatably arranged on the box cover.
5. A right angle ganged double action operating apparatus as claimed in claim 3, wherein: the power of the power input shaft adopts an external motor or a hand wheel or a pneumatic device.
6. A right angle ganged double action operating apparatus as claimed in claim 3, wherein: the two bearing covers are locked through bolts.
7. A right angle ganged double action operating apparatus as claimed in claim 3, wherein: the protective box body and the box cover are locked through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011101716.2A CN112260474A (en) | 2020-10-15 | 2020-10-15 | Right-angle linkage double-acting operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011101716.2A CN112260474A (en) | 2020-10-15 | 2020-10-15 | Right-angle linkage double-acting operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112260474A true CN112260474A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011101716.2A Pending CN112260474A (en) | 2020-10-15 | 2020-10-15 | Right-angle linkage double-acting operating device |
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| Country | Link |
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| CN (1) | CN112260474A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113160469A (en) * | 2021-03-05 | 2021-07-23 | 湖南盛通信息技术有限公司 | High security campus floodgate machine |
-
2020
- 2020-10-15 CN CN202011101716.2A patent/CN112260474A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113160469A (en) * | 2021-03-05 | 2021-07-23 | 湖南盛通信息技术有限公司 | High security campus floodgate machine |
| CN113160469B (en) * | 2021-03-05 | 2022-09-13 | 湖南盛通信息技术有限公司 | High security campus floodgate machine |
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