CN215210887U - Gate power transmission device of planetary gear train - Google Patents
Gate power transmission device of planetary gear train Download PDFInfo
- Publication number
- CN215210887U CN215210887U CN202121206331.2U CN202121206331U CN215210887U CN 215210887 U CN215210887 U CN 215210887U CN 202121206331 U CN202121206331 U CN 202121206331U CN 215210887 U CN215210887 U CN 215210887U
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- planetary gear
- gate
- gear train
- support
- power transmission
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/122—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and oscillating motion
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Civil Engineering (AREA)
- Retarders (AREA)
Abstract
The utility model provides a gate power transmission of planetary gear train, gate pass through the pneumatic cylinder with the support and are connected, and the pneumatic cylinder is articulated with the gate, opens and shuts the gate through flexible pneumatic cylinder, characterized by: planetary gear trains are arranged between the hydraulic cylinder and the support, the two planetary gear trains are arranged on the support, the support is provided with a motor, and the output end of the motor is connected with the two planetary gear trains; and the driving motor drives the two planetary gear trains to synchronously rotate so that the two gates and the dam truss form the same opening and closing angle respectively. By using the planetary gear train as a transmission device, a large transmission ratio can be obtained by using a small number of gears, the load of a single gear is reduced, the transmission ratio is improved, the efficiency is improved, and meanwhile, the reliability and the stability are enhanced. When a single unit fails, the safety of the whole transmission mechanism is not affected, and the use is safe and reliable. The two gates have the same opening and closing angle and move synchronously, so that the damage of a transmission mechanism caused by overlarge pressure of one gate is reduced.
Description
Technical Field
The utility model relates to a field of gate flood discharge, concretely relates to gate power transmission of planetary gear train.
Background
The existing gate does not use a planet wheel as power, and the existing technology uses a main driving wheel of a plurality of hydraulic cylinders to directly provide power, comprises the hydraulic cylinders and accessory gears thereof, and is the heart of a ship lock hoist. When the hydraulic cylinder is started, the transmission device and the rod system can be driven to enable the gate to work. Present a plurality of pneumatic cylinders need two or even a plurality of actuating mechanism, and comparatively extravagant source material, a plurality of actuating mechanism comparatively occupy the dam space simultaneously, cause certain economic loss. In addition, when the gates are opened by a plurality of hydraulic cylinders simultaneously, the opening angles are asynchronous, the pressure on the left gate and the right gate is different, the pressure on one gate is higher, the pressure on the other gate is lower, and especially when flood discharge occurs, when the two gates rotate asynchronously, the hydraulic cylinders are easily damaged by large water pressure, the hydraulic cylinders are replaced or maintained, and large maintenance cost is caused. At present, many gates do not need to walk through ships, only need to regularly discharge flood and drain water to a specific time, only need a tiny drainage channel, and only few phenomena appear from the gates through ships. The hydraulic cylinder is easy to damage a gate through which ships pass in rare cases, the hydraulic oil is high in cost and difficult to process, the environment is polluted, the viscosity of the hydraulic oil is high, the resistance is high, and the use cost performance is relatively low. Therefore, it is imperative to develop a gate power transmission device and a control method thereof, which can drive a single driving component for a long time, can synchronously open and close a gate, and reduce the use frequency of a hydraulic cylinder.
Chinese patent CN207032175U provides a bottom shaft hydraulic flap gate, the dam comprises a dam foundation, wherein a first base plate and a second base plate are arranged at the top of the dam foundation, a gate hinge seat is arranged at the top of the first base plate, the top of the hinge seat is provided with a clamping groove, the clamping groove is inserted with the hinge body, the hinge seat is also provided with a fastening groove, the door leaf body is fixed in the fastening groove through a bolt, the top of the second base plate is provided with a first lug plate, the first lug plate is rotatably connected with a hydraulic cylinder body, one side of the door leaf body close to the hydraulic cylinder body is provided with a second lug plate, the output end of the hydraulic cylinder body is rotationally connected to the second lug plate, a cavity is arranged inside the door leaf body, a first reinforcing rib is longitudinally arranged in the cavity, and a second reinforcing rib perpendicular to the first reinforcing rib is further arranged in the cavity. The water-stop gate has the advantages of low construction cost, scientific and reasonable structure, firmness and durability, attractive and elegant appearance, good water-stop effect and strong drainage capability. However, the main driving wheels of the hydraulic cylinders directly provide power, the source materials are wasted, and meanwhile the driving mechanisms occupy the space of a dam, so that certain economic loss is caused. The opening angle is asynchronous when the gate is opened simultaneously to the pneumatic cylinder, and easy when opening causes the pneumatic cylinder to damage because the pneumatic cylinder draws too big, and hydraulic oil is with high costs, handles difficult polluted environment, and hydraulic oil viscosity is big, the resistance is big.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a gate power transmission of planetary gear train solves at the gate not through the ship, only plays under the condition of flood discharge effect, realizes opening and shutting of gate with single actuating mechanism to can realize the gate in-process that opens and shuts, two gate open and shut the problem that the angle is the same, synchronous motion.
Another object of the utility model is to provide a gate power transmission of planetary gear train solves under the condition of the gate is few through the ship, just uses the pneumatic cylinder to reduce the pneumatic cylinder frequency of use, reduce use and cost of maintenance, environmental protection's problem.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the gate passes through the pneumatic cylinder with the support to be connected, and the pneumatic cylinder is articulated with the gate, comes the gate that opens and shuts through flexible pneumatic cylinder, characterized by: planetary gear trains are arranged between the hydraulic cylinder and the support, the two planetary gear trains are arranged on the support, the support is provided with a motor, and the output end of the motor is connected with the two planetary gear trains;
and the driving motor drives the two planetary gear trains to synchronously rotate so that the two gates and the dam truss form the same opening and closing angle respectively.
In the preferred scheme, one end of the motor is provided with a second bevel gear, the output end of the motor is connected with the second bevel gear, the support is provided with a bearing hole, and the second bevel gear penetrates through the bearing hole and is rotatably connected with the support.
In the preferred scheme, one end of the second bevel gear is provided with two first bevel gears, the two first bevel gears are meshed with the second bevel gear, the support is provided with a bearing hole, the first bevel gears are rotatably connected with the support through the bearing hole, and the other ends of the first bevel gears are fixedly connected with the sun gear.
In the preferred scheme, the planetary gear train comprises a gear ring, a sun gear is arranged in the gear ring, and a plurality of planetary gears which are meshed with the sun gear and the gear ring are arranged between the gear ring and the sun gear.
In the preferred scheme, the gear ring is provided with a hinged block, and the hydraulic cylinder is hinged with the gear ring through the hinged block.
In the preferred scheme, a slewing bearing structure is arranged on one side of the planetary gear train, the inner side of the slewing bearing structure is fixedly connected with the planetary gear train, and the outer ring on the other side of the slewing bearing structure is fixedly arranged on a bracket;
the driving planetary gear train rotates to drive the rotating part of the inner ring of the slewing bearing structure to rotate along with the driving planetary gear train, and the outer ring part of the slewing bearing structure is fixed with the bracket.
In the preferred scheme, be equipped with articulated seat on the gate, pneumatic cylinder one end is articulated with the ring gear, and the pneumatic cylinder other end is articulated with the gate through articulated seat.
In the preferred scheme, the support is fixedly arranged on the dam truss.
The utility model provides a gate power transmission of planetary gear train has solved current partial gate and has not passed through the ship, only plays under the condition of flood discharge effect, can realize opening and shutting of two gates with single actuating mechanism to can realize the gate in-process that opens and shuts, two gates open and shut the problem that the angle is the same, synchronous motion. And the source material is saved, the maintenance cost is reduced, and the economic loss is reduced. The planetary gear train is used as a transmission device, a large transmission ratio can be obtained by using a few gears, the load of a single gear is reduced, and the transmission ratio is large, and meanwhile, the structure is compact, the mass is small, and the size is small. The multiple gears transmit power together, so that the efficiency is improved, and meanwhile, the reliability and the stability are enhanced. When a single unit fails, the safety of the whole transmission mechanism is not affected, and the use is safe and reliable. The two gates have the same opening and closing angle and move synchronously, so that the damage of a transmission mechanism caused by overlarge pressure of one gate is reduced. Meanwhile, ships need to pass under few conditions, the passing of the ships can be met, the use frequency of the hydraulic cylinder is reduced, the use and maintenance cost is reduced, and the environment is protected. Is suitable for popularization and application.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a top view of the novel truss at a dam;
FIG. 2 is a front view of the novel dam truss;
FIG. 3 is an isometric view of the novel gate closed;
FIG. 4 is a top view of the novel gate when the gate is opened at a certain angle;
FIG. 5 is an isometric view of the present novel concept;
FIG. 6 is an exploded view of the present invention;
FIG. 7 is a side view of the planetary gear train axle with the novel partial structure;
in the figure: a dam truss 1; a gate 2; a planetary gear train 3; a sun gear 301; a planet wheel 302; ring gear 303; a hinge block 304; a slewing bearing structure 4; a first bevel gear 5; a second bevel gear 6; a hydraulic cylinder 7; a hinge base 8; a bolt 9; a motor 10; a support 11.
Detailed Description
Example 1
As shown in fig. 1 to 7, a gate power transmission device of a planetary gear train, a gate 2 is connected with a support 11 through a hydraulic cylinder 7, the hydraulic cylinder 7 is hinged with the gate 2, and the gate 2 is opened and closed through a telescopic hydraulic cylinder 7, which is characterized in that: a planetary gear train 3 is arranged between the hydraulic cylinder 7 and the bracket 11, the two planetary gear trains 3 are arranged on the bracket 11, the bracket 11 is provided with a motor 10, and the output end of the motor 10 is connected with the two planetary gear trains 3;
and the driving motor 10 drives the two planetary gear trains 3 to synchronously rotate, so that the two gates 2 and the dam truss 1 form the same opening and closing angle respectively. With the structure, the hydraulic cylinder 7 is only used as a connecting rod piece for a long time, does not start the telescopic function, is only used as a connecting rod between the planetary gear train 3 and the gate 2, and the hydraulic cylinder 7 only plays a role in increasing the length between the planetary gear train 3 and the gate 2 when a few ships need to pass through. Under the condition that does not use pneumatic cylinder 7, gate 2 opens and shuts and only is used for the flood discharge, only needs starter motor 10, makes two gate 2 open an mouthful be used for the flood discharge, the utility model discloses be single drive structure under most of circumstances, practice thrift the source material, reduce cost of maintenance, only need drive motor 10 just can realize gate 10 and open and shut, reduce economic loss. The gate 2 can be opened or closed by driving the starter motor 10. The single driving structure is beneficial to improving the transmission efficiency; the planetary gear train 3 reduces the load of a single gear, and when a single unit breaks down, the safety of the whole transmission mechanism is not affected, and the use is safe and reliable. The two planetary gear trains 3 can realize synchronous opening of the two gates, the opening angles are the same, the condition that the pressures of the two gates 2 are uneven is avoided, and damage to a transmission mechanism caused by overlarge pressure of one gate 2 is reduced. And in rare cases when the passage of a vessel is required, the hydraulic cylinder 7 is used to perform this function.
In the preferred scheme, one end of the motor 10 is provided with a second bevel gear 6, the output end of the motor 10 is connected with the second bevel gear 6, the support 11 is provided with a bearing hole, and the second bevel gear 6 penetrates through the bearing hole and is rotatably connected with the support 11. With this arrangement, the motor 10 rotates the second bevel gear 6 to power the apparatus. The second bevel gear 6 drives the first bevel gear 5 to rotate in opposite directions, so that the two planetary gear trains 3 rotate in opposite directions, and the same opening and closing angle of the gate 2 is realized.
In the preferred scheme, one end of the second bevel gear 6 is provided with two first bevel gears 5, the two first bevel gears 5 are both meshed with the second bevel gear 6, a bearing hole is formed in the support 11, the first bevel gears 5 are rotatably connected with the support 11 through the bearing hole, and the other end of the first bevel gears 5 is fixedly connected with the sun gear 301.
In a preferable scheme, the planetary gear train 3 comprises a gear ring 303, a sun gear 301 is arranged in the gear ring 303, and a plurality of planetary gears 302 meshed with both the sun gear 301 and the gear ring 303 are arranged between the gear ring 303 and the sun gear 301. With the structure, the transmission ratio of the planetary gear 3 is large, and the synthesis and the decomposition of the motion can be realized. In the ship lock 2, a large transmission ratio can be obtained by using a few gears as long as the type of the planetary gear transmission and the gear matching scheme are properly selected; the planetary gear train 3 has a large transmission ratio, and still keeps many advantages of compact structure, small mass, small volume and the like. The planetary gear train 3 has high transmission efficiency, and because the transmission structure of the planetary gear train 3 has symmetry, the reaction forces acting on the central wheel and the tumbler bearing can be balanced, thereby being beneficial to improving the transmission efficiency. The planet wheel 302 and the sun wheel 301 share the task of power output and are independent of each other, the load of a single gear is reduced, and when a single unit fails, the safety of the whole transmission mechanism cannot be influenced. Meanwhile, the transmission efficiency is high, and the reliability and the stability are enhanced while the efficiency is improved. And all gears are tightly meshed, so that unstable operation when bearing large load is avoided. The gears are coordinated and matched to avoid invalid rotation of the gears. The multi-gear load sharing planet gear can be used as auxiliary output power.
Preferably, the ring gear 303 is provided with a hinge block 304, and the hydraulic cylinder 7 is hinged with the ring gear 303 through the hinge block 304. With this structure, the hinge block 304 protruding from the ring gear 303 can hinge the hydraulic cylinder 7 to the planetary gear train 3.
In a preferable scheme, a slewing bearing structure 4 is arranged on one side of the planetary gear train 3, the inner side of the slewing bearing structure 4 is fixedly connected with the planetary gear train 3, and the outer ring on the other side of the slewing bearing structure 4 is fixedly arranged on a support 11;
the driving planetary gear train 3 rotates to drive the rotating part of the inner ring of the slewing bearing structure 4 to rotate along with the follow-up planetary gear train 3, and the outer ring part of the slewing bearing structure 4 is fixed with the bracket 11. With the structure, the slewing bearing structure 4 can enable the planetary gear train 3 to stably run, and avoid the planetary gear train 3 from forming large friction force with other mechanisms in the rotating process to reduce the transmission ratio, and the slewing bearing structure 4 can enable the planetary gear train 3 to be fixed on a plane to rotate, so that the torque generated in the rotating process is avoided, and the equipment is prevented from being damaged.
In the preferred scheme, be equipped with articulated seat 8 on the gate 2, pneumatic cylinder 7 one end is articulated with ring gear 303, and the pneumatic cylinder 7 other end is articulated with gate 2 through articulated seat 8. With the structure, in a normal condition, the hydraulic cylinder 7 only acts as a connecting rod between the gate 2 and the planetary gear trains 3, and does not perform a telescopic function, and the second bevel gear 6 rotates to drive the two planetary gear trains 3 to rotate in opposite directions respectively, so as to drive the gate 2 to be synchronously opened and closed. The function of synchronously opening the two gates 2 by a single driving device is realized, and the hydraulic cylinder 7 is opened to stretch and retract under the condition that ships rarely need to pass through, so that the ships pass through. Thereby greatly reducing the use condition of the hydraulic cylinder 7 and reducing the conditions of high hydraulic oil cost, difficult treatment, environmental pollution and the like caused by long-time use of the hydraulic cylinder 7. Articulated seat 8 is connected with pneumatic cylinder 7 through bolt 9, and dismantlement and simple to operate are reliable.
In a preferred scheme, the support 11 is fixedly arranged on the dam truss 1. From this structure, the utility model discloses equipment fixing is on dam truss 1, is close to gate 2 upper ends, can not influence other functions of flood discharge and gate 2, the effectual space of having saved.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a gate power transmission of planetary gear train, gate (2) are connected through pneumatic cylinder (7) with support (11), and pneumatic cylinder (7) are articulated with gate (2), open and shut gate (2) through flexible pneumatic cylinder (7), characterized by: a planetary gear train (3) is arranged between the hydraulic cylinder (7) and the bracket (11), the two planetary gear trains (3) are arranged on the bracket (11), a motor (10) is arranged on the bracket (11), and the output end of the motor (10) is connected with the two planetary gear trains (3);
and the driving motor (10) drives the two planetary gear trains (3) to synchronously rotate so as to enable the two gates (2) to form the same opening and closing angle with the dam truss (1) respectively.
2. The gate power transmission device of a planetary gear train as claimed in claim 1, wherein: one end of the motor (10) is provided with a second bevel gear (6), the output end of the motor (10) is connected with the second bevel gear (6), a bearing hole is formed in the support (11), and the second bevel gear (6) penetrates through the bearing hole and is rotatably connected with the support (11).
3. The gate power transmission device of a planetary gear train as claimed in claim 2, wherein: one end of the second bevel gear (6) is provided with two first bevel gears (5), the two first bevel gears (5) are meshed with the second bevel gear (6), a bearing hole is formed in the support (11), the first bevel gears (5) are rotatably connected with the support (11) through the bearing hole, and the other ends of the first bevel gears (5) are fixedly connected with the sun gear (301).
4. The gate power transmission device of a planetary gear train as claimed in claim 1, wherein: the planetary gear train (3) comprises a gear ring (303), a sun gear (301) is arranged in the gear ring (303), and a plurality of planetary gears (302) which are engaged with the sun gear (301) and the gear ring (303) are arranged between the gear ring (303) and the sun gear (301).
5. The gate power transmission device of a planetary gear train as claimed in claim 4, wherein: the gear ring (303) is provided with a hinge block (304), and the hydraulic cylinder (7) is hinged with the gear ring (303) through the hinge block (304).
6. The gate power transmission device of a planetary gear train as claimed in claim 1, wherein: a slewing bearing structure (4) is arranged on one side of the planetary gear train (3), the inner side of the slewing bearing structure (4) is fixedly connected with the planetary gear train (3), and the outer ring on the other side of the slewing bearing structure (4) is fixedly arranged on a bracket (11);
the driving planetary gear train (3) rotates to drive the rotating part of the inner ring of the slewing bearing structure (4) to rotate along with the follow-up planetary gear train (3), and the outer ring part of the slewing bearing structure (4) is fixed with the bracket (11).
7. The gate power transmission device of a planetary gear train as claimed in claim 1, wherein: the gate (2) is provided with a hinged seat (8), one end of the hydraulic cylinder (7) is hinged with the gear ring (303), and the other end of the hydraulic cylinder (7) is hinged with the gate (2) through the hinged seat (8).
8. The gate power transmission device of a planetary gear train as claimed in claim 1, wherein: the support (11) is fixedly arranged on the dam truss (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021210516021 | 2021-05-17 | ||
| CN202121051602 | 2021-05-17 |
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| Publication Number | Publication Date |
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| CN215210887U true CN215210887U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121206331.2U Active CN215210887U (en) | 2021-05-17 | 2021-06-01 | Gate power transmission device of planetary gear train |
| CN202110607697.9A Active CN113374849B (en) | 2021-05-17 | 2021-06-01 | Gate power transmission device of planetary gear train and control method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110607697.9A Active CN113374849B (en) | 2021-05-17 | 2021-06-01 | Gate power transmission device of planetary gear train and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374849A (en) * | 2021-05-17 | 2021-09-10 | 三峡大学 | Gate power transmission device of planetary gear train and control method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114675485B (en) * | 2022-04-08 | 2024-05-28 | 三峡大学 | Numerical control three-dimensional map model system and construction method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT500462B1 (en) * | 2004-04-23 | 2010-02-15 | Knorr Bremse Gmbh | SLIDING DOOR BZW. SWING SLIDING |
| DE102006060973A1 (en) * | 2006-12-20 | 2008-07-10 | Warema Renkhoff Gmbh | Raffstorelager |
| CN202689835U (en) * | 2012-07-10 | 2013-01-23 | 西北工业大学 | Automatic side hung door based on gear transmission |
| CN106948317A (en) * | 2017-05-15 | 2017-07-14 | 湖州华科建设工程质量检测有限公司 | A kind of adjustable gate set applied to city on He Zhengjian roads |
| CN209798701U (en) * | 2018-12-26 | 2019-12-17 | 南通市水利勘测设计研究院有限公司 | Triangular gate locking device |
| CN211038290U (en) * | 2019-11-20 | 2020-07-17 | 董佰玉 | Upper and lower split door |
| CN111455941A (en) * | 2020-05-15 | 2020-07-28 | 兰州时昶水工机械有限公司 | Two-way positive force servo drive headstock gear structure |
| CN112323737A (en) * | 2020-11-30 | 2021-02-05 | 中铁第四勘察设计院集团有限公司 | Double-leaf flap gate |
| CN215210887U (en) * | 2021-05-17 | 2021-12-17 | 三峡大学 | Gate power transmission device of planetary gear train |
-
2021
- 2021-06-01 CN CN202121206331.2U patent/CN215210887U/en active Active
- 2021-06-01 CN CN202110607697.9A patent/CN113374849B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374849A (en) * | 2021-05-17 | 2021-09-10 | 三峡大学 | Gate power transmission device of planetary gear train and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113374849B (en) | 2023-03-31 |
| CN113374849A (en) | 2021-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BOLI TECHNOLOGY (HUBEI) Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2022980017328 Denomination of utility model: A gate power transmission device of planetary gear train Granted publication date: 20211217 License type: Exclusive License Record date: 20221009 |
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| EE01 | Entry into force of recordation of patent licensing contract |