CN104404924B - A kind of with position sensor and the water conservancy gate device that can automatically lock and reset - Google Patents
A kind of with position sensor and the water conservancy gate device that can automatically lock and reset Download PDFInfo
- Publication number
- CN104404924B CN104404924B CN201410730864.9A CN201410730864A CN104404924B CN 104404924 B CN104404924 B CN 104404924B CN 201410730864 A CN201410730864 A CN 201410730864A CN 104404924 B CN104404924 B CN 104404924B
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- China
- Prior art keywords
- gate sheet
- drive
- lock
- screw mandrel
- described gate
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- Expired - Fee Related
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Classifications
-
- 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
- E02B7/26—Vertical-lift gates
-
- 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
- E02B7/26—Vertical-lift gates
- E02B7/34—Flash- boards for vertical-lift gates
-
- 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
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
A kind of with position sensor and the water conservancy gate device that can automatically lock and reset, comprise gate sheet (1) and gate sheet lifting drive (21), described gate sheet lifting drive (21) comprises housing (20), described housing (20) is fixed on support base, the inside of described housing (20) has upper fixing rib (18), middle fixing rib (19) and bottom stationary plane, fixed rib (18) is supported with gate sheet lifting drive motors (16), described gate sheet lifting drive motors (16) is elevated with gate sheet and drives the upper end power of screw mandrel (17) to connect, described gate sheet lifting drives screw mandrel (17) through fixed rib (18), through hole in middle fixing rib (19) and bottom stationary plane, and described gate sheet lifting drives screw mandrel (17) and the screw threaded engagement in described gate sheet (1).
Description
Technical field
The invention belongs to water conservancy gate field, especially a kind of with position sensor and the water conservancy gate device that can automatically lock and reset.
Background technology
Water conservancy gate drives the lifting realizing gate sheet often through screw mandrel, and then the break-make realizing current controls.
In some cases .., gate often needs often to open, and now, gate sheet often normality is in raised position.This stability that is stressed and whole gate system for leading screw all has adverse effect.If the faults such as screw mandrel fracture occur occur, also easily cause the accidents such as gate sheet drops and occur.
And more existing lock-in techniques are often through artificial realization, its reliability and automaticity lower.And can not lock at any time.
Summary of the invention
The object of the present invention is to provide a kind of with position sensor and the water conservancy gate device that can automatically lock and reset, its operational reliability is high, can improve the safety in operation of gate system.
According to the present invention, a kind of with position sensor and the water conservancy gate device that can automatically lock and reset, comprise gate sheet and gate sheet lifting drive, described gate sheet lifting drive comprises housing, described housing is fixed on support base, the inside of described housing has upper fixing rib, middle fixing rib and bottom stationary plane, fixed rib is supported with gate sheet lifting drive motors, described gate sheet lifting drive motors is elevated with gate sheet and drives the upper end power of screw mandrel to connect, described gate sheet lifting drives screw mandrel through fixed rib, through hole in middle fixing rib and bottom stationary plane, and described gate sheet lifting drives the screw threaded engagement in screw mandrel and described gate sheet, the top edge both sides of described gate sheet respectively have protrusion shoulder, the medial surface of two described protrusion shoulders all has towards the middle part of described gate sheet open wide, the lock hole driving and the vertical direction of screw mandrel extends is being elevated with described gate sheet, liftout attachment is provided with in described lock hole, described liftout attachment comprises and ejects drive motors, eject and drive screw mandrel and ejection slider, described ejecting drives screw mandrel and ejects drive motors power and connect, described ejection slider is arranged on to eject and drives on screw mandrel, and drive wire rod thread to be connected with ejecting, the upper side of described ejection slider is provided with the upper hopper chute be slidably matched with ejection slider), the downside of described ejection slider is provided with the gliding groove be slidably matched with ejection slider, the ejection part of described ejection slider is identical with the size of lock hole, in described gliding groove, the one end ejecting drive motors is provided with position sensor, the touch position sensor when described ejection slider rollback, then position sensor transmission of signal controls to eject drive motors and stop operating, effectively prevent ejection slider when rollback with eject drive motors and contact and cause damage, ,
Drive the left side of screw mandrel in described gate sheet lifting, in described middle fixing rib, be supported with lock drive motor, lock drive motor connects with left lock drive leading screw power, in the below of described middle fixing rib, on described left lock drive leading screw, is installed with left sprocket wheel; Drive the right side of screw mandrel in described gate sheet lifting, in described middle fixing rib, right lock drive leading screw is also installed rotationally, in the below of described middle fixing rib, on described right lock drive leading screw, be installed with right sprocket wheel, left sprocket wheel is connected with right sprocket wheel power by driving-chain, described left sprocket wheel is identical with the sprocket root place circular diameter of right sprocket wheel and be elevated than described gate sheet and drive the diameter of screw mandrel large, the lifting of described gate sheet drive screw mandrel through driving-chain annular drive circuit
Described left lock drive leading screw and right lock drive leading screw are respectively used to drive and are positioned at gate sheet and are elevated the locking device driving the screw mandrel left and right sides, described gate sheet lifting drives the locking device of the screw mandrel left and right sides to be arranged symmetrically with and structure is identical, two described locking devices include ladder drive block and horizontal movement Lock Part, the middle part of described ladder drive block is provided with the internal thread hole that the threads of lead screw corresponding with right lock drive leading screw to described left lock drive leading screw coordinates, described ladder drive block is stepped profile at the lateral edges away from described gate sheet lifting driving screw mandrel of described internal thread hole, described stepped profile has top locking vertical plane, the inclined-plane, middle part tilted to the inside from described top locking vertical plane and bottom unlock vertical plane, described ladder drive block drives a lateral edges of screw mandrel to be vertical sliding part in the close described gate sheet lifting of described internal thread hole, the inner side end of described horizontal movement Lock Part drives the direction of screw mandrel to protrude towards described gate sheet lifting and is provided with outstanding ear, described outstanding ear is provided with roller, roller and described stepped profile Structure deformation, downside and the lower skateboard be fixed on described housing of described horizontal movement Lock Part are slidably matched, and upper side and the upper slide be fixed on described housing of described horizontal movement Lock Part are slidably matched,
In the bosom position of described housing, on the stationary plane of described bottom, be also fixed with track sleeves, described gate sheet lifting drives screw mandrel through the through hole of the longitudinal extension of described track sleeves, and the left and right side of described track sleeves is respectively arranged with for being elevated with the described gate sheet that is positioned at the track driving the vertical sliding part of the ladder drive block of the locking device of the screw mandrel left and right sides to be slidably matched.
According on the other hand, described band position sensor and the using method of the water conservancy gate device that can automatically lock and reset, during locking, after described gate sheet is driven to raised position, described gate sheet lifting drive motors is out of service; Now described roller contacts with described unblock vertical plane; Then described lock drive motor runs, drive ladder drive block descending, described horizontal movement Lock Part is horizontally outward run, the upper side of final described horizontal movement Lock Part contacts with the upper side of described lock hole, and top locking vertical plane and roller contact, then described lock drive motor is out of service
During reset, when described gate sheet (1) is at lock-out state, then described lock drive motor (15) is run, drive ladder drive block (11) up, the described drive motors (31) that ejects runs, ejection slider (33) is driven to eject, horizontal movement Lock Part in lock hole (3) ejects by described ejection slider (33), until described roller (25) contacts with described unblock vertical plane (5), then described lock drive motor (15) and to eject drive motors (31) out of service, when now described gate sheet (1) is positioned at raised position, described gate sheet (1) just can be elevated drive motors (16) by gate sheet and control to decline.
By such scheme, owing to realizing locking by lock drive motor, its automaticity is high, and by both sides locking device synchronous operation, can improve the locking stable degree of gate sheet.Arranged by the diameter of sprocket wheel and the magnitude relationship of elevating screw diameter, each component layouts compact and reasonable can be made, by the setting of outline side coordinated with roller, locking extending apparatus can swimmingly, be reliably made to stretch out smoothly, and utilize track sleeves, be integrally formed two track side surfaces, therefore, it is possible to make stretching out resistance and can cancelling out each other of the locking extending apparatus of both sides, reduce the perturbed force to housing unit, improve the safety of running.After locking, locking extending apparatus is jammed by upper lower skateboard, can reliably lock gate sheet, when not needing locking, also can be ejected by locking extending apparatus by liftout attachment, operation intelligent control; And lifting drive motors and lock drive motor arrange respectively and fix respectively, its operation is independent of each other, and improves the reliability of whole system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of valve system of the present invention when raised position does not still lock;
Fig. 2 is the enlarged drawing at the locking position of the valve system of Fig. 1;
Fig. 3 is the schematic diagram of valve system of the present invention when raised position still locks;
Fig. 4 is the schematic diagram of valve system of the present invention when not locking under the effect of liftout attachment.
Detailed description of the invention
According to Fig. 1-4, the present invention is described in detail.
A kind of with position sensor and the water conservancy gate device that can automatically lock and reset, comprise gate sheet 1 and gate sheet lifting drive 21, described gate sheet lifting drive 21 comprises housing 20, described housing 20 is fixed on support base, the inside of described housing 20 has upper fixing rib 18, middle fixing rib 19 and bottom stationary plane, fixed rib 18 is supported with gate sheet lifting drive motors 16, described gate sheet lifting drive motors 16 is elevated with gate sheet and drives the upper end power of screw mandrel 17 to connect, described gate sheet lifting drives screw mandrel 17 through fixed rib 18, through hole in middle fixing rib 19 and bottom stationary plane, and described gate sheet lifting drives screw mandrel 17 and the screw threaded engagement in described gate sheet 1, the top edge both sides of described gate sheet 1 respectively have protrudes shoulder 2, the medial surface of two described protrusion shoulders 2 all has towards the middle part of described gate sheet 1 open wide, the lock hole 3 driving and the vertical direction of screw mandrel 17 extends is being elevated with described gate sheet, liftout attachment is provided with in described lock hole 3, described liftout attachment comprises and ejects drive motors 31, eject and drive screw mandrel 32 and ejection slider 33, described ejecting drives screw mandrel 32 and ejects drive motors 31 power and connect, described ejection slider 33 is arranged on to eject and drives on screw mandrel 32, and drive screw mandrel 32 threaded engagement to be connected with ejecting, the upper side of described ejection slider 33 is provided with the upper hopper chute 34 be slidably matched with ejection slider 33, the downside of described ejection slider 33 is provided with the gliding groove 35 be slidably matched with ejection slider 33, the ejection part of described ejection slider 33 is identical with the size of lock hole 3, in described gliding groove 35, the one end ejecting drive motors 31 is provided with position sensor 36, the touch position sensor 36 when described ejection slider 33 rollback, then position sensor 36 transmission of signal controls to eject drive motors 31 and stop operating, effectively prevent ejection slider 33 when rollback with eject drive motors 31 and contact and cause damage,
Drive the left side of screw mandrel 17 in described gate sheet lifting, in described middle fixing rib 19, be supported with lock drive motor 15, lock drive motor 15 connects with left lock drive leading screw power, in the below of described middle fixing rib 19, on described left lock drive leading screw, is installed with left sprocket wheel 10; Drive the right side of screw mandrel 17 in described gate sheet lifting, in described middle fixing rib 19, right lock drive leading screw is also installed rotationally, in the below of described middle fixing rib 19, on described right lock drive leading screw, be installed with right sprocket wheel 23, left sprocket wheel 10 is connected with right sprocket wheel 23 power by driving-chain 22, described left sprocket wheel 10 is identical with the sprocket root place circular diameter of right sprocket wheel 23 and be elevated than described gate sheet and drive the diameter of screw mandrel 17 large, the lifting of described gate sheet drive screw mandrel 17 through driving-chain 22 annular drive circuit
Described left lock drive leading screw and right lock drive leading screw are respectively used to drive and are positioned at gate sheet and are elevated the locking device driving screw mandrel 17 left and right sides, described gate sheet lifting drives the locking device of screw mandrel 17 left and right sides to be arranged symmetrically with and structure is identical, two described locking devices include ladder drive block 11 and horizontal movement Lock Part, the middle part of described ladder drive block 11 is provided with the internal thread hole that the threads of lead screw corresponding with right lock drive leading screw to described left lock drive leading screw coordinates, described ladder drive block 11 is stepped profile at the lateral edges away from described gate sheet lifting driving screw mandrel 17 of described internal thread hole, described stepped profile has top locking vertical plane 12, the inclined-plane, middle part tilted to the inside from described top locking vertical plane 12 and bottom unlock vertical plane 5, described ladder drive block 11 drives a lateral edges of screw mandrel 17 to be vertical sliding part 7 in the close described gate sheet lifting of described internal thread hole, the inner side end of described horizontal movement Lock Part drives the direction of screw mandrel 17 to protrude towards described gate sheet lifting and is provided with outstanding ear 26, described outstanding ear 26 is provided with roller 25, roller 25 and described stepped profile Structure deformation, downside and the lower skateboard 4 be fixed on described housing 20 of described horizontal movement Lock Part are slidably matched, and upper side and the upper slide 13 be fixed on described housing 20 of described horizontal movement Lock Part are slidably matched,
In the bosom position of described housing 20, on the stationary plane of described bottom, be also fixed with track sleeves 8, described gate sheet lifting drives screw mandrel 17 through the through hole of the longitudinal extension of described track sleeves, and the left and right side of described track sleeves 8 is respectively arranged with for being elevated with the described gate sheet that is positioned at the track driving the vertical sliding part 7 of the ladder drive block 11 of the locking device of screw mandrel 17 left and right sides to be slidably matched.
Wherein, described protrusion shoulder is provided with the sensed parts 29 for being coupled with the detection sensor 30 on described lower skateboard 4, for providing signal after described gate sheet 1 is driven to raised position.
Wherein, the track of the left and right side of described track sleeves 8 is provided with upper limit position block 9 and lower position block 6.
According on the other hand, described band position sensor and the using method of the water conservancy gate device that can automatically lock and reset, during locking, after described gate sheet 1 is driven to raised position, described gate sheet lifting drive motors 16 is out of service; Now described roller 25 contacts with described unblock vertical plane 5; Then described lock drive motor 15 runs, drive ladder drive block 11 descending, described horizontal movement Lock Part is horizontally outward run, the upper side of final described horizontal movement Lock Part contacts with the upper side of described lock hole, and top locking vertical plane 12 contacts with roller 25, and then described lock drive motor 15 is out of service;
During reset, when described gate sheet 1 is at lock-out state, then described lock drive motor 15 runs, drive ladder drive block 11 up, the described drive motors 31 that ejects runs, ejection slider 33 is driven to eject, horizontal movement Lock Part in lock hole 3 ejects by described ejection slider 33, until described roller 25 contacts with described unblock vertical plane 5, then described lock drive motor 15 and to eject drive motors 31 out of service, when now described gate sheet 1 is positioned at raised position, described gate sheet 1 just can be elevated drive motors 16 by gate sheet and control to decline.
Claims (4)
1. one kind with position sensor and the water conservancy gate device that can automatically lock and reset, comprise gate sheet (1) and gate sheet lifting drive (21), described gate sheet lifting drive (21) comprises housing (20), described housing (20) is fixed on support base, the inside of described housing (20) has upper fixing rib (18), middle fixing rib (19) and bottom stationary plane, fixed rib (18) is supported with gate sheet lifting drive motors (16), described gate sheet lifting drive motors (16) is elevated with gate sheet and drives the upper end power of screw mandrel (17) to connect, described gate sheet lifting drives screw mandrel (17) through fixed rib (18), through hole in middle fixing rib (19) and bottom stationary plane, and described gate sheet lifting drives screw mandrel (17) and the screw threaded engagement in described gate sheet (1), the top edge both sides of described gate sheet (1) respectively have protrusion shoulder (2), the medial surface of described two described protrusion shoulders (2) all has towards the middle part of described gate sheet (1) open wide, the lock hole (3) driving and the vertical direction of screw mandrel (17) extends is being elevated with described gate sheet, described lock hole is provided with liftout attachment in (3), described liftout attachment comprises and ejects drive motors (31), eject and drive screw mandrel (32) and ejection slider (33), described ejecting drives screw mandrel (32) and ejects drive motors (31) power and connect, described ejection slider (33) is arranged on to eject and drives on screw mandrel (32), and drive screw mandrel (32) threaded engagement to be connected with ejecting, the upper side of described ejection slider (33) is provided with the upper hopper chute (34) be slidably matched with ejection slider (33), the downside of described ejection slider (33) is provided with the gliding groove (35) be slidably matched with ejection slider (33), the ejection part of described ejection slider (33) is identical with the size of lock hole (3), in described gliding groove (35), the one end ejecting drive motors (31) is provided with position sensor (36), the touch position sensor (36) when described ejection slider (33) rollback, then position sensor (36) transmission of signal controls to eject drive motors (31) and stop operating, effectively prevent ejection slider (33) when rollback with eject drive motors (31) and contact and cause damage,
Drive the left side of screw mandrel (17) in described gate sheet lifting, on described middle fixing rib (19), be supported with lock drive motor (15), lock drive motor (15) connects with left lock drive leading screw power, in the below of described middle fixing rib (19), on described left lock drive leading screw, is installed with left sprocket wheel (10), the right side of screw mandrel (17) is driven in described gate sheet lifting, described middle fixing rib (19) is also provided with right lock drive leading screw rotationally, in the below of described middle fixing rib (19), described right lock drive leading screw is installed with right sprocket wheel (23), left sprocket wheel (10) is connected with right sprocket wheel (23) power by driving-chain (22), described left sprocket wheel (10) is identical with the sprocket root place circular diameter of right sprocket wheel (23) and be elevated than described gate sheet and drive the diameter of screw mandrel (17) large, the lifting of described gate sheet drive screw mandrel (17) through driving-chain (22) annular drive circuit,
Described left lock drive leading screw and right lock drive leading screw are respectively used to driving and are positioned at gate sheet and are elevated the locking device driving screw mandrel (17) left and right sides, described gate sheet lifting drives the locking device of screw mandrel (17) left and right sides to be arranged symmetrically with and structure is identical, two described locking devices include ladder drive block (11) and horizontal movement Lock Part, the middle part of described ladder drive block (11) is provided with the internal thread hole that the threads of lead screw corresponding with right lock drive leading screw to described left lock drive leading screw coordinates, described ladder drive block (11) is stepped profile at the lateral edges away from described gate sheet lifting driving screw mandrel (17) of described internal thread hole, described stepped profile has top locking vertical plane (12), the inclined-plane, middle part tilted to the inside from described top locking vertical plane (12) and bottom unlock vertical plane (5), described ladder drive block (11) drives a lateral edges of screw mandrel (17) to be vertical sliding part (7) in the close described gate sheet lifting of described internal thread hole, the inner side end of described horizontal movement Lock Part drives the direction of screw mandrel (17) to protrude towards described gate sheet lifting and is provided with outstanding ear (26), described outstanding ear (26) is provided with roller (25), roller (25) and described stepped profile Structure deformation, downside and the lower skateboard (4) be fixed on described housing (20) of described horizontal movement Lock Part are slidably matched, and upper side and the upper slide (13) be fixed on described housing (20) of described horizontal movement Lock Part are slidably matched,
In the bosom position of described housing (20), on the stationary plane of described bottom, be also fixed with track sleeves (8), described gate sheet lifting drives screw mandrel (17) through the through hole of the longitudinal extension of described track sleeves, and the left and right side of described track sleeves (8) is respectively arranged with for being elevated with the described gate sheet that is positioned at the track driving the vertical sliding part (7) of the ladder drive block (11) of the locking device of screw mandrel (17) left and right sides to be slidably matched.
2. as claimed in claim 1 a kind of with position sensor and the water conservancy gate device that can automatically lock and reset, wherein, described protrusion shoulder is provided with the sensed parts (29) for being coupled with the detection sensor (30) on described lower skateboard (4), for providing signal after described gate sheet (1) is driven to raised position.
3. as claimed in claim 1 a kind of with position sensor and the water conservancy gate device that can automatically lock and reset, wherein, the track of the left and right side of described track sleeves (8) is provided with upper limit position block (9) and lower position block (6).
4. as claimed in claim 1 a kind of with position sensor and the using method of the water conservancy gate device that can automatically lock and reset, during locking, after described gate sheet (1) is driven to raised position, described gate sheet lifting drive motors (16) is out of service; Now described roller (25) contacts with described unblock vertical plane (5); Then described lock drive motor (15) is run, drive ladder drive block (11) descending, described horizontal movement Lock Part is horizontally outward run, the upper side of final described horizontal movement Lock Part contacts with the upper side of described lock hole, and top locking vertical plane (12) contacts with roller (25), and then described lock drive motor (15) is out of service;
During reset, when described gate sheet (1) is at lock-out state, then described lock drive motor (15) is run, drive ladder drive block (11) up, the described drive motors (31) that ejects runs, ejection slider (33) is driven to eject, horizontal movement Lock Part in lock hole (3) ejects by described ejection slider (33), until described roller (25) contacts with described unblock vertical plane (5), then described lock drive motor (15) and to eject drive motors (31) out of service, when now described gate sheet (1) is positioned at raised position, described gate sheet (1) just can be elevated drive motors (16) by gate sheet and control to decline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730864.9A CN104404924B (en) | 2014-12-05 | 2014-12-05 | A kind of with position sensor and the water conservancy gate device that can automatically lock and reset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730864.9A CN104404924B (en) | 2014-12-05 | 2014-12-05 | A kind of with position sensor and the water conservancy gate device that can automatically lock and reset |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104404924A CN104404924A (en) | 2015-03-11 |
| CN104404924B true CN104404924B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410730864.9A Expired - Fee Related CN104404924B (en) | 2014-12-05 | 2014-12-05 | A kind of with position sensor and the water conservancy gate device that can automatically lock and reset |
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| CN (1) | CN104404924B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156846A (en) * | 2015-08-24 | 2015-12-16 | 宁波四九星机电科技有限公司 | Installation assembly used for LED display device and provided with draught fan and guide rod |
| CN106087893A (en) * | 2016-06-15 | 2016-11-09 | 钱苏娟 | A kind of efficient water conservancy gate equipment and using method thereof |
| CN107059805A (en) * | 2017-03-31 | 2017-08-18 | 江苏省太湖水利规划设计研究院有限公司 | One kind goes straight up to door locking device |
| CN107386215B (en) * | 2017-07-12 | 2019-04-05 | 汪哲荪 | The brake apparatus and its construction method of door latch type sluice plane gate |
| CN108458080A (en) * | 2018-01-30 | 2018-08-28 | 孙吉毅 | A kind of multi-purpose water conservancy be connected by power driving device |
| CN111862905A (en) * | 2020-08-10 | 2020-10-30 | 内蒙古民族大学 | Percussion instrument with tone color continuous automatic adjustment function and tone color continuous automatic adjustment method |
| CN112942262B (en) * | 2021-01-26 | 2022-06-14 | 扬州众泓机电设备有限公司 | But remote control's steel gate |
| CN113897918A (en) * | 2021-11-22 | 2022-01-07 | 水利部水利水电规划设计总院 | Water conservancy water and electricity gate hoisting device with buffering effect |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3177763U (en) * | 2010-12-27 | 2012-08-16 | 薫 橋詰 | Lift gate opening and closing device |
| CN103806414A (en) * | 2012-11-15 | 2014-05-21 | 长江勘测规划设计研究有限责任公司 | Gate automatic locking device |
-
2014
- 2014-12-05 CN CN201410730864.9A patent/CN104404924B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3177763U (en) * | 2010-12-27 | 2012-08-16 | 薫 橋詰 | Lift gate opening and closing device |
| CN103806414A (en) * | 2012-11-15 | 2014-05-21 | 长江勘测规划设计研究有限责任公司 | Gate automatic locking device |
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| CN104404924A (en) | 2015-03-11 |
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Owner name: NORTH CHINA UNIVERSITY OF WATER RESOURCES AND ELEC Free format text: FORMER OWNER: WENLING RENQUAN MACHINERY EQUIPMENT CO., LTD. Effective date: 20150710 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Hongyang Inventor after: Hu Qingfeng Inventor after: Wei Jianyi Inventor after: Zhang Xianqi Inventor before: Huang Xianyu |
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