CN107119534A - The tree well bottom support plate system for stabilization of powering - Google Patents
The tree well bottom support plate system for stabilization of powering Download PDFInfo
- Publication number
- CN107119534A CN107119534A CN201611112023.7A CN201611112023A CN107119534A CN 107119534 A CN107119534 A CN 107119534A CN 201611112023 A CN201611112023 A CN 201611112023A CN 107119534 A CN107119534 A CN 107119534A
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- China
- Prior art keywords
- transverse slat
- supporting plate
- water
- tree well
- connecting rod
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/004—Pavings specially adapted for allowing vegetation
- E01C9/005—Coverings around trees forming part of the road
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
- E03F2005/068—Gully gratings with means for enhancing water flow
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of stable tree well bottom support plate system of powering, it is related to plant attending device technical field.The system includes two pieces of supporting plate bodies, every piece of supporting plate body includes the stringer board of several blocks one, some pieces of transverse slats are arranged at intervals between each two stringer board, and fore-and-aft direction of the transverse slat along the supporting plate body is arranged at intervals, transverse slat on same straight line is linked together by a connecting rod, it is relative with the rectangular indentation and positioned at outermost transverse slat be provided with breach, and tool transverse slat jaggy is fixedly connected with the stringer board, it is always plumbness to make this part transverse slat, the transverse slat of other parts is fixedly connected with the connecting rod, rotated with the rotation of connecting rod；The supporting plate system can effectively prevent the inconvenience that dilutional hyponatremia is caused to pedestrian in tree well, and the system, by mains-supplied, power supply is stable, reliable.
Description
Technical field
The present invention relates to plant attending device technical field, more particularly to a kind of stable tree well bottom support plate system of powering
System.
Background technology
With the development of urbanization process, increasing green plants are planted in the both sides in street, are planted by street
Wood of planting trees usually first digs a tree well, then adjusts the size of tree well, makes the generally square structure of tree well, then cement
Change the side wall all around of tree well, and a boss structure is formed on the wall of side, for placing a supporting plate, the work of supporting plate
With being to prevent people from dropping in tree well, as shown in Figure 1.But supporting plate of the prior art has the following disadvantages when in use：First,
When rainfall is larger or water transition when, the water in tree well covers supporting plate, when people steps in supporting plate, can splash people all over the body, give
Pedestrian brings inconvenience；Two, when the water in hole is less, because the space in supporting plate is larger so that the evaporation of moisture is too fast, rise
Less than the effect watered；Three, because supporting plate of the prior art is provided with space, cause the rubbish such as fallen leaves to enter tree well
It is interior, it has not been convenient to clear up.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of stable tree well bottom support plate system, the branch of powering
Fagging system can effectively prevent the inconvenience that dilutional hyponatremia is caused to pedestrian in tree well, and can effectively prevent when underground water is in branch
When under fagging, moisture rapid evaporation, and the system, by mains-supplied, power supply is stable, reliable.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of stable tree well bottom branch of powering
Fagging system, it is characterised in that：Including two pieces of supporting plate bodies, the middle part of the side of every piece of supporting plate body is provided with one
Rectangular indentation, the part that two supporting plate bodies have rectangular indentation is oppositely arranged, and two rectangular indentations being oppositely arranged are constituted
Trunk is by hole, and every piece of supporting plate body includes being arranged at intervals between the stringer board of several blocks one, each two stringer board some
Block transverse slat, and fore-and-aft direction interval setting of the transverse slat along the supporting plate body, the transverse slat on same straight line pass through one
Connecting rod links together, it is relative with the rectangular indentation and positioned at outermost transverse slat be provided with breach, and have it is jaggy
Transverse slat is fixedly connected with the stringer board, and it is always plumbness, the transverse slat of other parts and the connecting rod to make this part transverse slat
It is fixedly connected, is rotated with the rotation of connecting rod；
Provided with drive component in the breach, drive component includes a stepper motor, a driving chain and some
Individual drive, wherein the drive is located at the outboard end of every connecting rod, all drives pass through same driving-chain
Bar is linked together, and the clutch end of the stepper motor is fixedly connected with one of drive, and one of those is indulged
The downside of plate is provided with liquid level sensor, and the upper side of one of stringer board is embedded with water sensor, and controller is fixed on it
In one piece of stringer board downside on, the connection of the signal input part of the liquid level sensor and water sensor and controller, water pump
In the controller, feed tube is connected with the inlet of water pump, feed tube extends to the bottom of tree well, the water pump
It is connected with and is extended through in drain pipe, the one piece of stringer board of drain pipe therefrom to outside the supporting plate system on liquid outlet
Side；
The supporting plate system also includes power supply module, the power input termination underground preburied power supplys of 220V of the power supply module
Line, the power output end output voltage of the power supply module is 12V or 24V, the power output end and the supporting plate system
The power input connection of the middle module for needing to power, the module for being powered for needs provides working power；
During initial use state, it is horizontality to have the transverse slat beyond transverse slat jaggy, when water sensor sensed water or
When rainwater is injected into tree well, controller control stepper motor action, driving stepper motor connecting rod is rotated, and connecting rod drives institute
Transverse slat rotation is stated, transverse slat is turned to plumbness from horizontality, water can be smoothly entered in tree well；When in entrance tree well
Water or rainwater when reaching a period of time on the liquid level sensor, controller controls the water pump to carry out pumping action, directly
Water or rainwater in tree well are located at a period of time under the liquid level sensor, now controller control stepper motor action,
Driving stepper motor connecting rod is rotated, and connecting rod drives the transverse slat to rotate, and the transverse slat of plumbness is changed into horizontality,
Reduce the void area between transverse slat and stringer board.
Further technical scheme is：The water sensor is provided with several, when any one water sensor therein
When sensing water or rainwater and continuing for some time, controller control connecting rod action.
Further technical scheme is：The liquid level sensor is provided with several, when any one liquid level therein is passed
Sensor senses water level or rain water level information and on being located at during a period of time, controller control water pump and connecting rod action.
Further technical scheme is：Two pieces of supporting plate bodies are close to the position of rectangular indentation provided with the lock cooperated
Closing member, two pieces of supporting plate bodies are connected as one by the fastening device of mutual cooperation.
Further technical scheme is：The power module is connected in parallel on the underground preburied power lines of the 220V, described
Power switch S, the power switch S are connected with the power input of power module is used for the on and off of control input power supply.
Further technical scheme is：The power input of the power module is connected with the underground preburied power lines of 220V
The outside at place is provided with insulation protecting box, for preventing electric leakage and waterproof.
It is using the beneficial effect produced by above-mentioned technical proposal：Different from tree root bottom support plate of the prior art
In all transverse slat and stringer board be all vertically arranged, most of transverse slat is set in original state for level in the application supporting plate body
Put, can not only prevent people from dropping in tree well, can also effectively prevent fallen leaves, debris etc. from falling into tree well, reduction tree well cleaning
The frequency and intensity, so as to reduce the labor intensity of cleaner, and the system passes through mains-supplied, and power supply is stable, operation
Reliably.
In addition, when water sensor has sensed water or rainwater is injected into tree well, controller control stepper motor action,
Driving stepper motor connecting rod is rotated, and connecting rod drives the transverse slat to rotate, and transverse slat is turned to plumbness, water from horizontality
It can smoothly enter in tree well, and when in a period of time（Prevent this function of frequent starting）, water sensor do not sense
When water or rainwater, under the control of the controller, driving stepper motor transverse slat can effectively avoid watering not to original state
Just and rainfall absorption problem.
It is excessive in order to reduce when entering a period of time on the water in tree well or the rainwater arrival liquid level sensor
The inconvenience that water and rainwater are caused to pedestrian, controller controls the water pump to carry out pumping action, until the water or rainwater in tree well
Under the liquid level sensor during a period of time（Prevent this function of frequent starting）, controller control stepper motor action,
Driving stepper motor connecting rod is rotated, and the connecting rod drive transverse slat is rotated, and transverse slat is in horizontality, reduces transverse slat with indulging
Void area between plate, now, can also effectively reduce the evaporation of moisture, and the moisture for absorbing trees is more, more favorably
In growth.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of prior art supporting plate and tree well binding site；
Fig. 2 is the overlooking the structure diagram of supporting plate system initial state described in the embodiment of the present invention；
Fig. 3 is that supporting plate system described in the embodiment of the present invention changes state（Part transverse slat is in plumbness）Plan structure
Schematic diagram；
Fig. 4 is the left view structural representation of supporting plate system initial state described in the embodiment of the present invention；
Fig. 5 is transverse slat and the mplifying structure schematic diagram of stringer board junction in the embodiment of the present invention（Transverse slat is in vertical state）；
Fig. 6 is transverse slat and the mplifying structure schematic diagram of stringer board junction in the embodiment of the present invention（Transverse slat is in horizontality）；
Fig. 7 is the electrical principle block diagram of supporting plate system described in the present invention is implemented；
Wherein：1st, supporting plate body 2, rectangular indentation 3, stringer board 4, transverse slat 5, connecting rod 6, breach 7, stepper motor 8, driving chain
9th, drive 10, liquid level sensor 11, water sensor 12, controller 13, tree well 14, cement side wall 15, trees 16, existing
The underground preburied power line 18 of supporting plate 17 in technology, 220V, insulation protecting box.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in Fig. 2 the invention discloses a kind of stable tree well bottom support plate system of powering, including two pieces of supporting plates
Body 1, the middle part of the side of every piece of supporting plate body 1 is provided with a rectangular indentation 2, and two supporting plate bodies 1 have square
The part of v notch v 2 is oppositely arranged, and two rectangular indentations 2 being oppositely arranged constitute trunk by hole, and trunk is logical from the trunk
Passed in via.Every piece of supporting plate body includes the stringer board 3 of several blocks one, if being arranged at intervals between each two stringer board 3
Dry block transverse slat 4, and fore-and-aft direction interval setting of the transverse slat 4 along the supporting plate body 1（It is described herein all around to refer to
Fig. 2 is all around）, spacing distance can necessarily can also be indefinite, generally described be set to one in order to attractive in appearance
Definite value.Transverse slat 4 on same straight line is linked together by a connecting rod 5, as shown in figure 4, with the rectangular indentation 2
Breach 6 is provided with relatively and positioned at outermost transverse slat 4, and the transverse slat 4 with breach 6 is with being located at the outermost stringer board 3
It is fixedly connected, it is always plumbness to make this part transverse slat 4, the transverse slat 4 having more is connected by different connecting rods, other parts
Transverse slat 4 be fixedly connected with the connecting rod 5, rotated with the rotation of connecting rod 5.
Provided with a drive component in the breach 6（Every piece of supporting plate body 1 is provided with a drive component）, driving
Component includes a stepper motor 7, a driving chain 8 and several drives 9.Wherein described drive 9 is located at every company
The outboard end of extension bar 5, all drives 9 are linked together by same driving chain 8, transverse slat and stringer board junction
Mplifying structure schematic diagram is as seen in figs. 5-6.The clutch end of the stepper motor 7 is fixed with one of drive 9 to be connected
Connect, the downside of one of stringer board 3 is provided with liquid level sensor 10, and the upper side of one of stringer board is embedded with water sensing
Device 11（Water sensor 11 answer it is exposed outside）, on the downside for one piece of stringer board 3 that controller 12 is fixed therein, the liquid level is passed
Sensor 10 and water sensor 11 are connected with the signal input part of controller 12, are illustrated in figure 7 described in present invention implementation and are supported
The electrical principle block diagram of plate system.It may be noted that be, in order to which cabling is convenient, the liquid level sensor 10, water sensor 11 and
Controller 12 can be on same stringer board, and in order to connect the stepper motor on two pieces of supporting plate bodies 1, can be by whole
The mode that walking line is entered in the downside of individual supporting plate body 1 is carried out.Water pump is located in the controller, is connected on the inlet of water pump
There is feed tube, feed tube extends to and drain pipe is connected with the bottom of tree well, the liquid outlet of the water pump, drain pipe is therefrom
Extended through in one piece of stringer board 3 to the outside of the supporting plate system, generally drain pipe is extended under road curb,
Water or rainwater is set to be discharged into the sewer on road.
The system is only using a controller, and the sensor that controller is received on two pieces of supporting plate bodies simultaneously is passed
The information sent, and two stepper motors and a water pump action are controlled simultaneously.In initial use state, the horizontal stroke with breach 6
Transverse slat 4 beyond plate 4 is horizontality, and the transverse slat 4 with breach 6 is always plumbness；When water sensor 11 has been sensed
When water or rainwater are injected into tree well 13, the control stepper motor 7 of controller 12 is acted, and the drive connection bar 5 of stepper motor 7 is rotated,
Connecting rod 5 drives the transverse slat 4（There is no the transverse slat of breach 6）Rotate, transverse slat 4 is turned to plumbness, such as Fig. 3 from horizontality
Shown, water can be smoothly entered in tree well；When the water or rainwater that enter in tree well are reached on the liquid level sensor 10
During a period of time, controller 12 controls the water pump to carry out pumping action, until the water or rainwater in tree well 13 are located at the liquid
A period of time under level sensor 10, the now control of controller 12 stepper motor 7 is acted, 5 turns of 7 drive connection bar of stepper motor
Dynamic, connecting rod 5 drives the transverse slat 4 to rotate（There is no the transverse slat of breach 6）, the transverse slat 4 of plumbness is changed into horizontality,
Reduce the void area between transverse slat 4 and stringer board 3.
The supporting plate system also includes power supply module, for convenience power taking, the power input termination of the power supply module
The underground preburied power lines 17 of 220V, the power output end output voltage of the power supply module is 12V or 24V, the power supply output
Hold with needing the power input of the module of power supply to be connected in the supporting plate system, the module for being powered for needs provides work
Make power supply, by using mains-supplied, make the more stable of the system operation.
Furthermore it is preferred that, the power module is connected in parallel on the underground preburied power lines 17 of the 220V, the power module
Power input on be connected with power switch S, the power switch S is used for the on and off of control input power supply, passes through and sets
Power supply can be easily opened or closed in power switch S as needed, carry out maintenance and the replacing of period of system etc..More preferably
, the power input of the power module is provided with insulation protecting box with the outside of the underground preburied junctions of power line 18 of 220V
18, for preventing electric leakage and waterproof, make the system operation safer.
In order that the perception of information is more accurate, the water sensor 11 is provided with several, when any one water therein is passed
When sensor senses water or rainwater and continued for some time（Prevent frequent start-stop）, controller control connecting rod action.Similarly, institute
Liquid level sensor 10 is stated provided with several, when any one liquid level sensor therein senses water level or rain water level information and position
On during a period of time, controller control water pump and connecting rod action.Two pieces of supporting plate bodies 1 are close to the position of rectangular indentation
Fastening device provided with mutual cooperation, two pieces of supporting plate bodies are connected as one by the fastening device of mutual cooperation, can be effective
The supporting plate system is prevented to be stolen.
All it is always to be vertically arranged different from transverse slat and stringer board all in the tree root bottom support plate of prior art, this Shen
It please most of transverse slat be horizontally disposed in original state in supporting plate body, can not only prevent people from dropping in tree well, can be with
It is effective to prevent fallen leaves, debris etc. from falling into tree well, the frequency and intensity of reduction tree well cleaning, so as to reduce the work of cleaner
Intensity.
In addition, when water sensor has sensed water or rainwater is injected into tree well, controller control stepper motor action,
Driving stepper motor connecting rod is rotated, and connecting rod drives the transverse slat to rotate, and transverse slat is turned to plumbness, water from horizontality
Or rainwater can be smoothly entered in tree well, and when in a period of time（Prevent this function of frequent starting）, water sensor do not have
When sensing water or rainwater, under the control of the controller, driving stepper motor transverse slat can effectively avoid pouring to original state
The inconvenience of water and the absorption problem of rainwater.
It is excessive in order to reduce when entering a period of time on the water in tree well or the rainwater arrival liquid level sensor
The inconvenience that water and rainwater are caused to pedestrian, controller controls the water pump to carry out pumping action, until the water or rainwater in tree well
Under the liquid level sensor during a period of time（Prevent this function of frequent starting）, controller control stepper motor action,
Driving stepper motor connecting rod is rotated, and the connecting rod drive transverse slat is rotated, and transverse slat is in horizontality, reduces transverse slat with indulging
Void area between plate, now, can also effectively reduce the evaporation of moisture, and the moisture for absorbing trees is more, more favorably
In growth.
Claims (6)
1. a kind of stable tree well bottom support plate system of powering, it is characterised in that：Including two pieces of supporting plate bodies（1）, every piece
The supporting plate body（1）Side middle part provided with rectangular indentation（2）, two supporting plate bodies（1）Lack with rectangle
Mouthful（2）Part be oppositely arranged, two rectangular indentations for being oppositely arranged constitute trunk by hole, if every piece of supporting plate body includes
The stringer board of dry block one（3）, each two stringer board（3）Between be arranged at intervals with some pieces of transverse slats（4）, and transverse slat（4）Described in
Supporting plate body（1）Fore-and-aft direction be arranged at intervals, the transverse slat on same straight line（4）Pass through a connecting rod（5）Connection
Together, with the rectangular indentation（2）Relatively and positioned at outermost transverse slat（4）It is provided with breach（6）, and with breach（6）
Transverse slat（4）With the stringer board（3）It is fixedly connected, makes this part transverse slat（4）It is always plumbness, the transverse slat of other parts
（4）With the connecting rod（5）It is fixedly connected, with connecting rod（5）Rotation and rotate；
In the breach（6）A drive component is inside provided with, drive component includes a stepper motor（7）, a driving chain
（8）With several drives（9）, wherein the drive（9）Positioned at every connecting rod（5）Outboard end, all transmissions
Wheel（9）Pass through same driving chain（8）Link together, the stepper motor（7）Clutch end and one of those
Drive（9）It is fixedly connected, one of stringer board（3）Downside be provided with liquid level sensor（13）, one of stringer board
Upper side be embedded with water sensor（11）, controller（12）One piece of stringer board being fixed therein（4）Downside on, the liquid
Level sensor（10）And water sensor（11）With controller（12）Signal input part connection, water pump be located at the controller in,
Feed tube is connected with the inlet of water pump, feed tube is extended to be connected with out on the bottom of tree well, the liquid outlet of the water pump
Liquid pipe, the one piece of stringer board of drain pipe therefrom（3）Inside extend through to the outside of the supporting plate system；
The supporting plate system also includes power supply module, the power input termination underground preburied power lines of 220V of the power supply module
（17）, the power output end output voltage of the power supply module is 12V or 24V, the power output end and the supporting plate system
The power input connection of the module of power supply is needed in system, the module for being powered for needs provides working power；
During initial use state, with breach（6）Transverse slat（4）Transverse slat in addition（4）For horizontality, work as water sensor（11）
Sense that water or rainwater are injected into tree well（13）When interior, controller（12）Control stepper motor（7）Action, stepper motor（7）
Drive connection bar（5）Rotate, connecting rod（5）Drive the transverse slat（4）Rotate, make transverse slat（4）Vertical configuration is turned to from horizontality
State, water can be smoothly entered in tree well；When the water or rainwater that enter in tree well reach the liquid level sensor（10）On
During a period of time, controller（12）The water pump is controlled to carry out pumping action, until tree well（13）Interior water or rainwater are located at institute
State liquid level sensor（10）Under a period of time, now controller（12）Control stepper motor（7）Action, stepper motor（7）Drive
Dynamic connecting rod（5）Rotate, connecting rod（5）Drive the transverse slat（4）Rotate, make the transverse slat of plumbness（4）It is changed into horizontal
State, reduces transverse slat（4）With stringer board（3）Between void area.
2. the stable tree well bottom support plate system of power supply as claimed in claim 1, it is characterised in that：The water sensor
（11）Provided with several, when any one water sensor therein senses water or rainwater and continues for some time, controller
Control connecting rod action.
3. the stable tree well bottom support plate system of power supply as claimed in claim 1, it is characterised in that：The liquid level sensor
（10）Provided with several, when any one liquid level sensor therein senses water level or rain water level information and the preceding paragraph being located at
During the time, controller control water pump and connecting rod action.
4. the stable tree well bottom support plate system of power supply as claimed in claim 1, it is characterised in that：Two pieces of supporting plate bodies
（1）Close to the position of rectangular indentation provided with the fastening device cooperated, the fastening device that two pieces of supporting plate bodies pass through mutual cooperation
Connect as one.
5. the stable tree well bottom support plate system of power supply as claimed in claim 1, it is characterised in that：The power module is simultaneously
It is associated in the underground preburied power lines of the 220V（17）On, power switch S, institute are connected with the power input of the power module
Stating power switch S is used for the on and off of control input power supply.
6. the stable tree well bottom support plate system of power supply as claimed in claim 1, it is characterised in that：The power module
Power input and the underground preburied power lines of 220V（18）The outside of junction is provided with insulation protecting box（18）, for preventing electric leakage
And waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611112023.7A CN107119534A (en) | 2016-12-07 | 2016-12-07 | The tree well bottom support plate system for stabilization of powering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611112023.7A CN107119534A (en) | 2016-12-07 | 2016-12-07 | The tree well bottom support plate system for stabilization of powering |
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|---|---|
| CN107119534A true CN107119534A (en) | 2017-09-01 |
Family
ID=59717366
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| CN201611112023.7A Pending CN107119534A (en) | 2016-12-07 | 2016-12-07 | The tree well bottom support plate system for stabilization of powering |
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| KR20120046922A (en) * | 2010-11-03 | 2012-05-11 | 김동훈 | Tree protector for vegetation |
| KR20140074584A (en) * | 2012-12-10 | 2014-06-18 | 주식회사 에코피아 | Vegetating mat having the structure of protecting and growth promotion for street tree |
| CN204426211U (en) * | 2015-01-04 | 2015-07-01 | 四川惠谷农业科技有限公司 | A kind of rainwater-collecting automatic irrigation device |
| CN204690918U (en) * | 2015-06-01 | 2015-10-07 | 山东建筑大学 | The anti-peculiar smell cover board arrangement of a kind of automation sewer draining |
| KR101579040B1 (en) * | 2015-08-10 | 2015-12-21 | 권처현 | Steel plate type protect cover having non-slip member |
| CN105696697A (en) * | 2016-02-22 | 2016-06-22 | 占良辉 | Sewer cover with overturn blocking pieces |
| CN205530587U (en) * | 2016-03-28 | 2016-08-31 | 廖江文 | Gardens drainage system |
| CN205669245U (en) * | 2016-06-17 | 2016-11-02 | 大庆市智力金属加工有限公司 | Self adaptation drainage grill cover plate |
| CN205669244U (en) * | 2016-06-17 | 2016-11-02 | 大庆市智力金属加工有限公司 | A kind of drainage ditch cover plate |
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Application publication date: 20170901 |