CN106087893A - A kind of efficient water conservancy gate equipment and using method thereof - Google Patents
A kind of efficient water conservancy gate equipment and using method thereof Download PDFInfo
- Publication number
- CN106087893A CN106087893A CN201610418855.5A CN201610418855A CN106087893A CN 106087893 A CN106087893 A CN 106087893A CN 201610418855 A CN201610418855 A CN 201610418855A CN 106087893 A CN106087893 A CN 106087893A
- Authority
- CN
- China
- Prior art keywords
- gate sheet
- roller
- operation bar
- support
- lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- E02B7/30—Vertical-lift gates with guide wheels or rollers for the 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
- Special Wing (AREA)
Abstract
A kind of efficient water conservancy gate equipment and using method thereof, described device includes the gate sheet (9) for blocking water channel opening (1), the upside of described gate sheet (9) is fixedly connected with external thread sleeve (7) in order to stretch into the hollow inside of rotary shaft (6) female thread ring portion (71) threaded engagement with lower end, the upper end of described rotary shaft (6) couples with the rotor (51) in the driving motor case body (5) being installed on structural matrix (10), two roller support components support are installed on the land side of described gate sheet (9) from top to bottom, each described roller support components support all include in horizontal direction relative to and be respectively arranged in two support rollers (88) of the left and right sides of described gate sheet (9) rotationally.
Description
Technical field
The present invention relates to water conservancy equipment field, be specially a kind of efficient water conservancy gate equipment and using method thereof.
Background technology
Valve system is widely used to control the discharge of water supply and drainage in Water Resources Domain.In existing valve system often
The mode using screw drive is carried out the height of regulator door-plate thus is regulated flow.Owing to the weight of gate sheet is the biggest, because of
This pressure-bearing that easily this weight easily causes for screw drive is secondary is damaged, especially when impact.And, these locks
The operation smoothness of door-plate is the most poor and easily produces the fluctuation of load, thus produces the impact for drive system.This is the most right
Equipment runs and causes potential safety hazard.And arrange some by power or hand-driven locking device, then at repeatedly dynamic regulator
The situation of door-plate height easily causes and repeatedly activates, thus cause the waste of human cost and proposing of equipment operating cost
High.And easily cause outfit of equipment cost increase and cause maintenance work complicated.
Summary of the invention
It is an object of the invention to provide one, it is possible to solve the problems of the prior art.
By the present invention, a kind of efficient water conservancy gate equipment, including the gate sheet for blocking water channel opening, described lock
The upside of door-plate is fixedly connected with external thread sleeve in order to stretch into the hollow inside of rotary shaft the female thread ring portion spiral shell with lower end
Stricture of vagina coordinates, and the upper end of described rotary shaft couples with the rotor in the driving motor case body being installed on structural matrix, described
Being provided with two roller support components support on the land side of gate sheet from top to bottom, each described roller support components support all includes level
On direction relative to and be respectively arranged in two support rollers of the left and right sides of described gate sheet, described support roller rotationally
In order to coordinate with the guide-track groove arranged in described structural matrix, thus roll with described guide-track groove when rotating and coordinate with to described
The up and down motion of gate sheet carry out guiding and when fixing with described guide-track groove frictional fit with the weight of gate sheet described in support
Amount, each described roller support components support also includes being respectively used to said two support roller and the centrage about described gate sheet
And symmetrically arranged two horizontal slide lock locking member, each described horizontal slide lock locking member is all connected with retracted for clearance spring and outer
Side is provided with the locking liner that the periphery lock face of the unilateral bearing installed on the wheel shaft with corresponding roller engages,
Medial end is provided with inclined plane part, wherein, described efficient water conservancy gate equipment also include the centrage along described gate sheet and
The unblock lock operation bar of longitudinal extension, the bottom of described unblock lock operation bar is through every in said two roller support components support
Between individual said two horizontal slide lock locking member, and be provided with from top to bottom respectively in order to said two roller support group
Two that in part, respective horizontal slide lock locking member coordinates are backed down wedge portion section, each described in back down the wedge contouring of wedge portion section
Be symmetrically distributed in the left and right sides of described unblock lock operation bar with respectively with two levels in corresponding roller support components support
The described inclined plane part of slide lock locking member coordinates, and described unblock lock operation bar is arranged on the top of each wedge portion profile
Be set to narrow portion in the bottom of wedge portion profile for width portion, the top of described unblock lock operation bar extend through described outside
The inside of screw shell, through the inside of the motor stator in described driving motor case body and be passed through described driving motor
Between two driving rollers set in operation bar lifting drive case on the upside of casing, thus, when operation said two
Driving roller makes described unblock lock operation bar drop to when lower position, described width portion and corresponding horizontal slide lock
Part is engaged so that respective locking liner engages with the periphery lock face of corresponding unilateral bearing, now, and described one-way shaft
Agree the most described gate sheet move upward under the driving of described rotary shaft and stop moving downward of described gate sheet；When described
Described unblock lock operation bar is raised to when upper position by two driving rollers, described narrow portion and corresponding horizontal slide lock
Locking member engages thus makes respective locking liner and corresponding unilateral bearing under the effect of described retracted for clearance spring
Periphery lock face disengages, and now, described gate sheet can move up and down in the driving of described rotary shaft, and the lifting of described operation bar is driven
The described driving motor case body top of dynamic casing both sides is provided with accumulator and inverter, described operation bar lifting drive case top
Both sides are provided with solar energy photovoltaic panel, described solar energy photovoltaic panel, inverter, accumulator and driving motor case body Electricity Federation successively, institute
State solar energy photovoltaic panel in order to convert solar energy into electrical energy be stored in described accumulator in think that this equipment is powered use, described
Below rotary shaft relative to described gate sheet be provided with limit sensors, described limit sensors is that concrete elastic contact passes
Sensor, described limit sensors and described driving motor case body Electricity Federation, when described rotary shaft touches described limit sensors
Send signal and the rotor that controls in described driving motor case body stops operating.
According to the present invention, the using method of above-mentioned efficient water conservancy gate equipment, original state is that described unblock locks
Operation bar drops in lower position, and now, under the driving effect of described rotor, described gate sheet is raised to desired locations
And stop, under the described roller conjugation with guide-track groove, described gate sheet is by support；When described gate sheet is declined by needs
During to desired locations, described unblock lock operation bar is raised in upper position by described driving roller, and described roller is unlocked
Thus allow described gate sheet to move downward, the described unblock when dropping to desired locations under the driving of described rotor
Lock operation bar drops to again in lower position.
By such scheme, having exercisable one-directional rotation roller owing to taking, it is pacified on the roller bearing of roller
Fill unilateral bearing and realize, make roller by monodirectional locking by operation, it is possible to make in the uphill process of gate sheet servo-actuated
Property stop and realizing support, it is to avoid multi-pass operation locking piece.And when gate sheet is declined by needs, by manipulation bar energy
Enough by the unblock of monodirectional locking function or releasing, thus temporarily allow gate sheet descending；Again will be single after dropping to desired locations
Activate to lock function such that it is able to avoid the gross weight pressure-bearing of gate equally on screw thread pair.Whole apparatus structure is compact, fortune
Row is reliable, it is possible to effectively solve the problems of the prior art.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the efficient water conservancy gate equipment of the present invention.
Fig. 2 is the details enlarged diagram at gate sheet position of the device in Fig. 1.
Detailed description of the invention
Below in conjunction with Fig. 1-2, embodiments of the invention are described in detail.
According to the efficient water conservancy gate equipment of embodiment, including the gate sheet 9 for blocking water channel opening 1, described lock
The upside of door-plate 9 is fixedly connected with external thread sleeve 7 in order to stretch into the hollow inside of rotary shaft 6 the female thread ring portion with lower end
71 threaded engagement, the upper end of described rotary shaft 6 and the rotor 51 in the driving motor case body 5 being installed on structural matrix 10
Couple, the land side of described gate sheet 9 is provided with two roller support components support, each described roller support components support from top to bottom
All include in horizontal direction relative to and be respectively arranged in two support rollers of the left and right sides of described gate sheet 9 rotationally
88, described support roller 88 in order to in described structural matrix 10 arrange guide-track groove 19 coordinate, thus rotate time with described
Guide-track groove 19 rolls to coordinate and guides with the up and down motion to described gate sheet 9 and rub with described guide-track groove 19 when fixing
Wiping and coordinate the weight with gate sheet described in support 9, each described roller support components support also includes being respectively used to said two support
Roller 88 and about the centrage of described gate sheet 9 and symmetrically arranged two horizontal slide lock locking member 83, each described level
Slide lock locking member 83 all connects with retracted for clearance spring 85 and lateral surface is provided with institute on the wheel shaft with corresponding roller 88
The locking liner 86 that the periphery lock face of the unilateral bearing 87 installed engages, medial end is provided with inclined plane part 84, wherein, described
Efficient water conservancy gate equipment also includes the centrage along described gate sheet 9 and the unblock lock operation bar 8 of longitudinal extension, described
Unlock the bottom of lock operation bar 8 through said two horizontal slide lock locking member 83 each in said two roller support components support
Between, and be provided with from top to bottom and join in order to horizontal slide lock locking member respective with said two roller support components support respectively
Two closed are backed down wedge portion section 812, each described in back down the wedge contouring of wedge portion section 812 and be symmetrically distributed in and described unlock lock
Surely operation bar 8 the left and right sides with slide lock locking member 83 horizontal with two in corresponding roller support components support respectively described tiltedly
Face 84 coordinates, and described unblock lock operation bar 8 be set to wide portion 81 on the top of each wedge portion profile and in institute
The bottom stating wedge contouring is set to narrow portion 82, and the top of described unblock lock operation bar 8 extends through described external thread sleeve 7
Inside, through the inside of the motor stator 52 in described driving motor case body 5 and be passed through described driving motor case body 5
Between two driving rollers 41 that the operation bar of upside is set in lifting drive case 4, thus, when operation said two is driven
Employing roller 41 makes described unblock lock operation bar 8 drop to when lower position, slides with corresponding level in described wide portion 81
Locking piece 83 is engaged so that respective locking liner 86 engages with the periphery lock face of corresponding unilateral bearing 87, now,
Described unilateral bearing 87 allows described gate sheet 9 move upward under the driving of described rotary shaft 6 and stop described gate sheet 9
Move downward；When described unblock lock operation bar 8 is raised in upper position by said two driving roller 41, described narrow portion
82 engage with corresponding horizontal slide lock locking member 83 thus make respective lock under the effect of described retracted for clearance spring 85
Determine liner 86 to disengage with the periphery lock face of corresponding unilateral bearing 87, now, described gate sheet 9 driving in described rotary shaft 6
Kinetic energy enough moves up and down, and described driving motor case body 5 top of described operation bar lifting drive case 4 both sides is provided with accumulator 42
With inverter 43, described operation bar lifting both sides, drive case 4 top are provided with solar energy photovoltaic panel 44, described solar energy photovoltaic panel
44, inverter 43, accumulator 42 and driving motor case body 5 Electricity Federation successively, described solar energy photovoltaic panel 44 is in order to turn solar energy
Turn to electrical power storage in described accumulator 42, think that this equipment is powered use, below described rotary shaft 6 relative to described gate
Plate 9 is provided with limit sensors 901, and described limit sensors 901 is concrete elastic touch sensor, described spacing sensing
Device 901 and described driving motor case body 5 Electricity Federation, send signal also when described rotary shaft 6 touches described limit sensors 901
The rotor 51 controlled in described driving motor case body 5 stops operating.
Exemplarily or valuably, wherein, operation said two driving roller 41 makes described unblock lock operation bar 8
Drop to be by mean of in lower position gravity biased power or spring bias force realizes.
According to embodiment, the using method of above-mentioned efficient water conservancy gate equipment, original state is that described unblock locks
Operation bar 8 drops in lower position, and now, under the driving effect of described rotor, described gate sheet 9 is raised to expect position
Putting and stop, under the described roller 88 conjugation with guide-track groove 19, described gate sheet 9 is by support；When needs are by described lock
When door-plate 9 drops to desired locations, described unblock lock operation bar 8 is raised in upper position by described driving roller 41, institute
State roller 88 and be unlocked such that the described gate sheet 9 of permission moves downward, when dropping to the phase under the driving of described rotor
When hoping position, described unblock lock operation bar 8 drops to again in lower position.
Exemplarily or valuably, when described driving motor is after having performed once to drive, small angle can be rotated backward
Degree, so that threaded engagement pair gets loose, utilizes the monodirectional locking function of roller gate sheet support to be lived.
Having exercisable one-directional rotation roller owing to taking, it installs unilateral bearing and reality on the roller bearing of roller
Existing, make roller by monodirectional locking by operation, it is possible to make trackability in the uphill process of gate sheet stop and realizing holding
Torr, it is to avoid multi-pass operation locking piece.And when gate sheet is declined by needs, can be by monodirectional locking merit by manipulation bar
Can unlock or release, thus temporarily allow gate sheet descending；Again by monodirectional locking function activation after dropping to desired locations,
It is thus possible to avoid the gross weight pressure-bearing of gate equally on screw thread pair.Whole apparatus structure is compact, reliable, it is possible to effectively
Solve the problems of the prior art.
By with upper type, those skilled in the art can make various within the scope of the invention according to mode of operation
Change.
Claims (3)
1. an efficient water conservancy gate equipment, including the gate sheet (9) for blocking water channel opening (1), described gate sheet (9)
Upside be fixedly connected with that external thread sleeve (7) is internal in order to the hollow stretching into rotary shaft (6) and female thread ring portion with lower end
(71) threaded engagement, the upper end of described rotary shaft (6) and the electricity in the driving motor case body (5) being installed on structural matrix (10)
Machine rotor (51) couples, and the land side of described gate sheet (9) is provided with two roller support components support from top to bottom, each described
Roller support components support all include in horizontal direction relative to and be respectively arranged in the left and right sides of described gate sheet (9) rotationally
Two support rollers (88), described support roller (88) is in order to join with the guide-track groove (19) of setting in described structural matrix (10)
Close, thus coordinate with described guide-track groove (19) rolling when rotating and guide also with the up and down motion to described gate sheet (9)
And when fixing with described guide-track groove (19) frictional fit with the weight of gate sheet described in support (9), each described roller support
Assembly also includes being respectively used to said two support roller (88) and symmetrically arranged about the centrage of described gate sheet (9)
Two horizontal slide lock locking member (83), each described horizontal slide lock locking member (83) is all connected with retracted for clearance spring (85) and outer
Side is provided with the periphery lock face joint of the unilateral bearing (87) installed on the wheel shaft with corresponding roller (88)
Locking liner (86), medial end is provided with inclined plane part (84), and wherein, described efficient water conservancy gate equipment also includes along described
The centrage of gate sheet (9) and unblock lock operation bar (8) of longitudinal extension, the bottom of described unblock lock operation bar (8) is worn
Cross between said two horizontal slide lock locking member (83) each in said two roller support components support, and arrange from top to bottom
Two coordinated in order to horizontal slide lock locking member respective with said two roller support components support respectively are had to back down wedge portion section
(812) the wedge contouring backing down wedge portion section (812) described in, each is symmetrically distributed in a left side for described unblock lock operation bar (8)
Right both sides are joined with the described inclined plane part (84) of slide lock locking member (83) horizontal with two in corresponding roller support components support respectively
Close, and described unblock lock operation bar (8) be set to width portion (81) on the top of each wedge portion profile and at described wedge
The bottom of contouring is set to narrow portion (82), and the top of described unblock lock operation bar (8) extends through described external thread sleeve
(7) inside, through the inside of the motor stator (52) in described driving motor case body (5) and be passed through described driving electricity
Two drivings set in operation bar lifting drive case (4) of cabinet bulk (5) upside are used between roller (41), thus, when
Operation said two driving roller (41) makes described unblock lock operation bar (8) drop to when lower position, described width portion
(81) it is engaged so that respective locking liner (86) and corresponding unilateral bearing with corresponding horizontal slide lock locking member (83)
(87) periphery lock face engages, and now, described unilateral bearing (87) allows described gate sheet (9) in described rotary shaft (6)
Move upward under driving and stop moving downward of described gate sheet (9)；When said two driving roller (41) is by described solution
Lock lock operation bar (8) is raised to when upper position, described narrow portion (82) and corresponding horizontal slide lock locking member (83) joint from
And make respective locking liner (86) and corresponding unilateral bearing (87) under the effect of described retracted for clearance spring (85)
Periphery lock face disengage, now, described gate sheet (9) can move up and down in the driving of described rotary shaft (6), described operation
Described driving motor case body (5) top of bar lifting drive case (4) both sides is provided with accumulator (42) and inverter (43), described
Operation bar lifting drive case (4) both sides, top are provided with solar energy photovoltaic panel (44), described solar energy photovoltaic panel (44), inverter
(43), accumulator (42) and drive motor case body (5) Electricity Federation successively, described solar energy photovoltaic panel (44) in order to by solar energy convert
In described accumulator (42), think that this equipment is powered use for electrical power storage, the described lock that described rotary shaft (6) lower section is relative
Door-plate (9) is provided with limit sensors (901), and described limit sensors (901) is concrete elastic touch sensor, described
Limit sensors (901) and described driving motor case body (5) Electricity Federation, when described rotary shaft (6) touches described limit sensors
(901) send signal time and the rotor (51) that controls in described driving motor case body (5) stops operating.
2. a kind of efficient water conservancy gate equipment as claimed in claim 1, wherein, operation said two drives with roller (41)
Described unblock lock operation bar (8) is dropped in lower position and is by mean of gravity biased power or the realization of spring bias force
's.
The using method of a kind of efficient water conservancy gate equipment the most as claimed in claim 1 or 2, original state is described unblock
Lock operation bar (8) drops in lower position, now, under the driving effect of described rotor, and described gate sheet (9) lifting
To desired locations and stop, under the described roller (88) conjugation with guide-track groove (19), described gate sheet (9) is by support；
When described gate sheet (9) is dropped to desired locations by needs, described driving roller (41) is by described unblock lock operation bar
(8) being raised in upper position, described roller (88) is unlocked such that the driving allowing described gate sheet (9) at described rotor
Moving downward down, when dropping to desired locations, described unblock lock operation bar (8) drops to again in lower position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418855.5A CN106087893A (en) | 2016-06-15 | 2016-06-15 | A kind of efficient water conservancy gate equipment and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418855.5A CN106087893A (en) | 2016-06-15 | 2016-06-15 | A kind of efficient water conservancy gate equipment and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106087893A true CN106087893A (en) | 2016-11-09 |
Family
ID=57846530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610418855.5A Pending CN106087893A (en) | 2016-06-15 | 2016-06-15 | A kind of efficient water conservancy gate equipment and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106087893A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783513A (en) * | 2021-09-14 | 2021-12-10 | 无锡诺贝达自动化科技有限公司 | Intelligent solar off-grid power supply system with multiple application scenes |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404924A (en) * | 2014-12-05 | 2015-03-11 | 温岭市仁全机械设备有限公司 | Water conservancy gate device with position sensor and capable of realizing automatic locking and return |
| CN104452679A (en) * | 2014-12-05 | 2015-03-25 | 慈溪欧新生物科技有限公司 | Automatic-locking water conservancy gate device |
| CN104499464A (en) * | 2014-12-05 | 2015-04-08 | 温岭市兴庆机械设备有限公司 | Hydraulic gate control valve capable of being automatically locked |
| CN104532802A (en) * | 2014-12-05 | 2015-04-22 | 姚新连 | Stable transmission and automatic locking type gate device for water conservancy |
-
2016
- 2016-06-15 CN CN201610418855.5A patent/CN106087893A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404924A (en) * | 2014-12-05 | 2015-03-11 | 温岭市仁全机械设备有限公司 | Water conservancy gate device with position sensor and capable of realizing automatic locking and return |
| CN104452679A (en) * | 2014-12-05 | 2015-03-25 | 慈溪欧新生物科技有限公司 | Automatic-locking water conservancy gate device |
| CN104499464A (en) * | 2014-12-05 | 2015-04-08 | 温岭市兴庆机械设备有限公司 | Hydraulic gate control valve capable of being automatically locked |
| CN104532802A (en) * | 2014-12-05 | 2015-04-22 | 姚新连 | Stable transmission and automatic locking type gate device for water conservancy |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783513A (en) * | 2021-09-14 | 2021-12-10 | 无锡诺贝达自动化科技有限公司 | Intelligent solar off-grid power supply system with multiple application scenes |
| CN113783513B (en) * | 2021-09-14 | 2024-06-25 | 无锡诺贝达自动化科技有限公司 | Intelligent solar off-grid power supply system with multiple application scenes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105821810A (en) | Water conservancy gate structure with high safety and use method thereof | |
| CN205417753U (en) | Moving platform of AGV robot and wheel driving mechanism thereof | |
| CN106087893A (en) | A kind of efficient water conservancy gate equipment and using method thereof | |
| CN204077707U (en) | Foot-operated armful rail stop device | |
| CN106012987A (en) | Water conservancy gate mechanism with safety indication function and using method of water conservancy gate mechanism with safety indication function | |
| CN105821811A (en) | Water flow adjustable water conservancy gate device and using method thereof | |
| CN103144114B (en) | Movable type underprop robot | |
| CN105821812A (en) | Novel water-conservancy gate device and application method thereof | |
| CN106087887A (en) | The water conservancy gate equipment of a kind of environmental protection and using method thereof | |
| CN106049382A (en) | Water conservancy gate structure for irrigation and use method thereof | |
| CN105908680A (en) | Water conservancy gate device and utilization method thereof | |
| CN106087886A (en) | A kind of stable water conservancy gate device and using method thereof | |
| CN106087890A (en) | The valve system of a kind of hydraulic engineering and using method thereof | |
| CN106012990A (en) | Solar power supply hydraulic gate equipment and application method thereof | |
| CN106087883A (en) | The gate structure of a kind of water conservancy and using method thereof | |
| CN105839600A (en) | Safe and reliable water conservancy sluice gate device and use method thereof | |
| CN106065590A (en) | The water conservancy gate structure of a kind of screw drive and using method thereof | |
| CN203006675U (en) | Bi-direction door-opening elevator car system | |
| CN106012991A (en) | Water conservancy gate device simple to operate, and use method thereof | |
| CN106087884A (en) | The Novel gate structure of a kind of water conservancy and using method thereof | |
| CN106087891A (en) | A kind of water conservancy gate device for regulating water flow and using method thereof | |
| CN105970884A (en) | Safe gate device used for hydraulic engineering and use method of safe gate device | |
| CN106087892A (en) | The safety gate structure of a kind of water conservancy and using method thereof | |
| CN106013000A (en) | Anti-fluctuation water conservancy gate equipment and application method thereof | |
| CN212581301U (en) | A lift goods lift for air conditioner storage transportation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |
|
| WD01 | Invention patent application deemed withdrawn after publication |