CN210562064U - Movable blocking dam for river water body - Google Patents
Movable blocking dam for river water body Download PDFInfo
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- CN210562064U CN210562064U CN201921292309.7U CN201921292309U CN210562064U CN 210562064 U CN210562064 U CN 210562064U CN 201921292309 U CN201921292309 U CN 201921292309U CN 210562064 U CN210562064 U CN 210562064U
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Abstract
The utility model relates to the technical field of river channel cleaning, in particular to a movable blocking dam for a river channel water body, which comprises a blocking fabric, a rope body, a winch, a power supply and a switch; the intercepting fabric stretches across the inside of the river channel, and the part of the intercepting fabric is positioned above the water surface; the bottom of the intercepting fabric is fixedly provided with a plurality of balance weights, the balance weights are arranged at equal intervals along the length direction of the intercepting fabric, and the balance weights are suspended below the water surface through the intercepting fabric; the top end of the intercepting fabric is suspended right above the river channel through a rope body; the winches are fixedly arranged on two banks of the river channel, and two ends of the rope body are respectively and fixedly connected with the working ends of the two winches; the power supply is arranged beside each winch and is electrically connected with the winches through switches; the barrage can be powered by solar energy, so that the barrage can be arranged in a remote area far away from a power grid and used for intercepting garbage on the water surface, and can sink to the bottom of a river when not used, so that ships can pass through the barrage conveniently.
Description
Technical Field
The invention relates to the technical field of river channel cleaning, in particular to a movable blocking dam for a river channel water body.
Background
In a river channel, a large amount of floating objects are often used, and an upstream pollutant needs to be intercepted to prevent the pollutants from flowing into a downstream. Fence is often used among the prior art, cuts whole river course, but the fence all inserts in river course mud, consequently receives the river water for a long time and strikes the back, can appear taking off, and the piling up of mud also can lead to the pine of fence to take off, therefore life often very soon.
Chinese patent CN206448253U discloses an intercepting floating net for river channels, which comprises cross bars arranged at both sides of the river channel, wherein both ends of the cross bars are respectively inserted into the river banks at both sides of the river channel; more than one shaft sleeve is installed on the cross rod, a connecting piece is arranged on each shaft sleeve, an intercepting net is arranged at the upper end of each connecting piece, a floating body is arranged at the top of each intercepting net, and each intercepting net is straightened in a river channel through the floating body. According to the invention, the traditional mode that the inserted rod is inserted into the bottom surface of the river channel is changed, the floating body floats on the surface of the river channel, the whole intercepting net is straightened, the river channel floating objects are intercepted through the intercepting net, and two sides of the cross rod are secondarily locked through the vertical rod, so that the service life is long, and the phenomenon that the cross rod is not loosened is ensured.
The interception floating net disclosed in the patent has the following defects:
the intercepting floating net is fixed in water and is difficult to detach and install, once the intercepting floating net is built, a ship cannot penetrate through the intercepting floating net, pollutants are intercepted, and meanwhile, the normal running of the ship is prevented.
Disclosure of Invention
The invention aims to provide a movable blocking dam for a river water body, which can be powered by solar energy, can be arranged in a remote area far away from a power grid and used for blocking garbage on the water surface, and can sink to the bottom of a river when not in use so as to be convenient for ships to pass through.
In order to achieve the purpose, the invention adopts the following technical scheme:
the movable blocking dam for the river water body comprises a blocking fabric, a rope body, a winch, a power supply and a switch; the intercepting fabric stretches across the inside of the river channel, and the part of the intercepting fabric is positioned above the water surface; the bottom of the intercepting fabric is fixedly provided with a plurality of balance weights, the balance weights are arranged at equal intervals along the length direction of the intercepting fabric, and the balance weights are suspended below the water surface through the intercepting fabric; the top end of the intercepting fabric is suspended right above the river channel through a rope body; the winches are fixedly arranged on two banks of the river channel, and two ends of the rope body are respectively and fixedly connected with the working ends of the two winches; the power supply is arranged beside each winch and is electrically connected with the winches through the switches.
As a preferable scheme of the movable blocking dam for the river water body, the blocking dam further comprises buoys, wherein the buoys are slidably arranged on the rope body and are positioned on two sides of the blocking fabric.
As an optimal scheme of the movable blocking dam for the river water body, the weight piece comprises an iron ball and a hook, the hook is fixedly installed on the iron ball, and the tip end of the hook penetrates through the intercepting fabric and is detachably fixed on the intercepting fabric.
As a preferred scheme of the movable blocking dam for the river water body, a plurality of reinforcing rings are fixedly installed at the bottom end of the blocking fabric, and the tip end of the hook penetrates through the inner ring of each reinforcing ring to be hung on each reinforcing ring.
As a preferred scheme of a movable blocking dam of a river water body, a power supply comprises a photovoltaic assembly, a distribution box, an inverter, a controller and a storage battery, wherein the photovoltaic assembly is fixedly arranged at the top end of a winch, the distribution box is arranged beside the winch, and the inverter, the controller and the storage battery are fixedly arranged inside the distribution box; the photovoltaic module, the controller, the inverter, the switch and the winch are electrically connected in sequence, and the controller is electrically connected with the storage battery.
As a preferred scheme of the movable blocking dam for the river water body, two lantern rings are sleeved on a rope body and are respectively positioned on two sides of the blocking fabric, the lantern rings are positioned between the blocking fabric and a buoy, each lantern ring is provided with a threaded hole which radially penetrates through the lantern ring, and a stop pin is installed in each threaded hole in a threaded mode;
under the operating condition, the bottom end of the stop pin is abutted against the surface of the rope body.
As an optimal scheme of the movable dam of the river water body, the winch comprises a rack, a motor, a speed reducer and a wire spool, wherein the motor and the speed reducer are fixedly installed on the rack, an output shaft of the motor is in transmission connection with an input end of the speed reducer, the wire spool is fixedly installed at an output end of the speed reducer, a rotation axis of the wire spool is vertically arranged, a rope body is wound on the wire spool, and the motor is electrically connected with the switch.
As a preferred scheme of a movable dam of a river water body, the wire spool comprises a rotating shaft, a first baffle ring and a second baffle ring, wherein the first baffle ring and the second baffle ring are arranged at two ends of the rotating shaft;
the winding machine further comprises a rope winding pin which is fixedly arranged on the wire spool, the rope winding pin penetrates through the first retaining ring and the second retaining ring, and the rope body is wound on the rotating shaft and located between the rotating shaft and the rope winding pin.
The invention has the beneficial effects that:
the method comprises the following steps that an operator opens a switch, a circuit between a winch and a power supply is communicated, the power supply supplies power to the winch, so that the winch works and pulls a rope body, the rope body is pulled up from water by the winch and is lifted upwards to drive an interception fabric to lift from the water, the upper half part of the interception fabric is lifted above the water surface gradually, the lower half part of the interception fabric is perpendicular to the water surface below under the action of a weight piece, so that the interception fabric can intercept garbage floating on the water surface, then the operator closes the switch, the winch stops working, and the operator scoops up the garbage intercepted by the interception fabric;
after waiting the rubbish clean up on the surface of water, the staff opens the switch once more and lets the hoist engine reverse work, and the hoist engine relaxs the rope body, intercepts the surface fabric and sinks to the bottom gradually under the effect of counterweight to it is current to make the ship pass through the river course.
1. The dam can intercept garbage on the water surface, so that workers can clean the garbage conveniently;
2. when not in use, the barrage can sink to the bottom of a river, so that ships can pass through the barrage conveniently;
3. the barrage may be solar powered and thus may be located in remote areas away from the grid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a front view of a movable dam for a river body according to an embodiment of the present invention;
FIG. 2 is a perspective view of a movable riverway water body barrage according to an embodiment of the invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial enlarged view of FIG. 2 at B;
FIG. 5 is a perspective view of a winch and power supply for a movable dam of a river body according to an embodiment of the present invention;
fig. 6 is an exploded perspective view of a winch and a power source of a movable dam of a river body according to an embodiment of the invention;
FIG. 7 is a front view of a winch and power source for a movable dam of a river body according to an embodiment of the present invention;
FIG. 8 is a sectional view taken along line C-C of FIG. 7;
in the figure:
1. intercepting the fabric; 1a, a reinforcing ring;
2. a counterweight; 2a, iron balls; 2b, hanging hooks;
3. a float;
4. a rope body; 4a, a lantern ring; 4b, stop pins;
5. a winch; 5a, a frame; 5b, a motor; 5c, a speed reducer; 5d, a wire spool; 5d1, a rotating shaft; 5d2, a first baffle ring; 5d3, a second baffle ring; 5e, rope winding pins;
6. a power source; 6a, a photovoltaic module; 6b, a distribution box; 6c, an inverter; 6d, a controller; 6e, a storage battery;
7. and (4) switching.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, the movable blocking dam for the river water body comprises a blocking fabric 1, a rope body 4, a winch 5, a power supply 6 and a switch 7; the intercepting fabric 1 stretches across the inside of the river channel, and part of the intercepting fabric 1 is positioned above the water surface; the bottom of the intercepting fabric 1 is fixedly provided with a plurality of balance weights 2, the balance weights 2 are arranged at equal intervals along the length direction of the intercepting fabric 1, and the balance weights 2 are suspended below the water surface through the intercepting fabric 1; the top end of the intercepting fabric 1 is suspended right above the river channel through a rope body 4; the winches 5 are fixedly arranged on two banks of the river channel, and two ends of the rope body 4 are respectively fixedly connected with the working ends of the two winches 5; a power supply 6 is provided beside each hoist 5, and the power supply 6 is electrically connected to the hoists 5 through a switch 7.
The switch 7 is turned on by an operator, the circuit between the winch 5 and the power supply 6 is communicated, the power supply 6 supplies power to the winch 5, so that the winch works and pulls the rope body 4, the rope body 4 is pulled up from the water by the winch 5 and is lifted upwards to drive the interception fabric 1 to lift from the water, the upper half part of the interception fabric 1 gradually lifts to the upper part of the water surface, the lower half part of the interception fabric 1 is vertical to the lower part of the water surface under the action of the counterweight 2, so that the interception fabric 1 can intercept garbage floating on the water surface, then the switch 7 is turned off by the operator, the winch 5 stops working, and the operator scoops up the garbage intercepted by the interception fabric 1;
after waiting that rubbish clean up on the surface of water, the staff opens switch 7 once more and lets hoist engine 5 reverse work, and hoist engine 5 relaxs rope body 4, intercepts surface fabric 1 and sinks to the bottom gradually under the effect of counterweight 2 to it is current to make the ship pass through the river course.
The fabric intercepting device further comprises buoys 3, wherein the buoys 3 are slidably arranged on the rope body 4, and the buoys 3 are located on two sides of the fabric intercepting body 1.
The counterweight 2 comprises an iron ball 2a and a hook 2b, the hook 2b is fixedly arranged on the iron ball 2a, and the tip of the hook 2b penetrates through the interception fabric 1 and is detachably fixed on the interception fabric 1.
The bottom end of the intercepting fabric 1 is fixedly provided with a plurality of reinforcing rings 1a, and the tip ends of the hooks 2b penetrate through the inner rings of the reinforcing rings 1a and are hung on the reinforcing rings 1 a.
The reinforcing ring 1a is used for enhancing the strength of the opening of the intercepting fabric 1 and preventing the hook 2b from tearing the intercepting fabric 1.
The power supply 6 comprises a photovoltaic assembly 6a, a distribution box 6b, an inverter 6c, a controller 6d and a storage battery 6e, the photovoltaic assembly 6a is fixedly installed at the top end of the winch 5, the distribution box 6b is arranged beside the winch 5, and the inverter 6c, the controller 6d and the storage battery 6e are all fixedly installed inside the distribution box 6 b;
the photovoltaic module 6a, the controller 6d, the inverter 6c, the switch 7 and the hoist 5 are electrically connected in sequence, and the controller 6d and the storage battery 6e are electrically connected.
Block terminal 6b is used for installing dc-to-ac converter 6c, controller 6d and battery 6e, play rain-proof, the effect of protection against insects, photovoltaic module 6a is used for absorbing solar energy power generation, dc-to-ac converter 6c is carried with photovoltaic module 6a production to controller 6d, dc-to-ac converter 6c turns into the dc-to-ac power and carries for switch 7, the staff opens switch 7 switch-on circuit, dc-to-ac converter 6c makes hoist engine 5 can work to hoist engine 5 power supply, when switch 7 closes, photovoltaic module 6a supplies power to battery 6e through controller 6d, battery 6e stores the electric quantity, at night or during rainy weather, battery 6e supplies power to inverter 6c through controller 6d, thereby make hoist engine 5 still can use at night or in rainy weather.
Two lantern rings 4a are sleeved on the rope body 4, the lantern rings 4a are respectively positioned on two sides of the intercepting fabric 1, the lantern rings 4a are positioned between the intercepting fabric 1 and the buoy 3, the lantern rings 4a are provided with threaded holes which radially penetrate through the lantern rings 4a, and stop pins 4b are installed in the threaded holes in a threaded mode;
in the working state, the bottom end of the stop pin 4b abuts against the surface of the rope body 4.
The stop pins 4b are used for preventing the loop 4a from sliding on the rope body 4, so that the loop 4a is fixed on two sides of the intercepting fabric 1 and cannot move, the buoy 3 is separated from the intercepting fabric 1, and the intercepting fabric 1 is prevented from being impacted when the buoy 3 slides on the rope body 4, and the intercepting fabric 1 is prevented from being deformed or even damaged.
The winding machine 5 comprises a rack 5a, a motor 5b, a speed reducer 5c and a wire spool 5d, wherein the motor 5b and the speed reducer 5c are fixedly mounted on the rack 5a, an output shaft of the motor 5b is in transmission connection with an input end of the speed reducer 5c, the wire spool 5d is fixedly mounted at an output end of the speed reducer 5c, a rotation axis of the wire spool 5d is vertically arranged, a rope body 4 is wound on the wire spool 5d, and the motor 5b is electrically connected with the switch 7.
The staff opens the switch 7 to switch on the circuit between the motor 5b and the power supply 6, the motor 5b works to drive the wire spool 5d to rotate through the speed reducer 5c, and the wire spool 5d rotates to receive and release the rope body 4.
The wire spool 5d comprises a rotating shaft 5d1, a first retaining ring 5d2 and a second retaining ring 5d3 which are arranged at two ends of the rotating shaft 5d1, the rotating shaft 5d1 is fixedly arranged at the working end of the speed reducer 5c, and the rotating shaft 5d1, the first retaining ring 5d2 and the second retaining ring 5d3 are coaxially arranged;
the hoist 5 further comprises a rope winding pin 5e, the rope winding pin 5e is fixedly mounted on the wire spool 5d, the rope winding pin 5e penetrates through the first stop ring 5d2 and the second stop ring 5d3, and the rope body 4 is wound on the rotating shaft 5d1 and is positioned between the rotating shaft 5d1 and the rope winding pin 5 e.
The motor 5b works to drive the rotating shaft 5d1 to rotate through the speed reducer 5c, the rotating shaft 5d1 rotates to drive the rope body 4 wound on the rotating shaft 5d1 to wind on the rotating shaft 5d1, the rope winding pin 5e is used for being clamped on the side face of the rope body 4 to prevent the rotating shaft 5d1 from idling in the middle of the rope body 4, and the first retaining ring 5d2 and the second retaining ring 5d3 are used for limiting the rope body 4 in the working area of the rotating shaft 5d1 to prevent the rope body 4 from falling off from the rotating shaft 5d 1.
The working principle of the invention is as follows:
the switch 7 is turned on by an operator, the circuit between the winch 5 and the power supply 6 is communicated, the power supply 6 supplies power to the winch 5, so that the winch works and pulls the rope body 4, the rope body 4 is pulled up from the water by the winch 5 and is lifted upwards to drive the interception fabric 1 to lift from the water, the upper half part of the interception fabric 1 gradually lifts to the upper part of the water surface, the lower half part of the interception fabric 1 is vertical to the lower part of the water surface under the action of the counterweight 2, so that the interception fabric 1 can intercept garbage floating on the water surface, then the switch 7 is turned off by the operator, the winch 5 stops working, and the operator scoops up the garbage intercepted by the interception fabric 1;
after the garbage on the water surface is cleaned up, the worker turns on the switch 7 again and enables the winch 5 to work reversely, the winch 5 releases the rope body 4, the intercepting fabric 1 gradually sinks to the bottom under the action of the counterweight 2, and therefore a ship can pass through the river channel;
block terminal 6b is used for installing dc-to-ac converter 6c, controller 6d and battery 6e, play rain-proof, the effect of protection against insects, photovoltaic module 6a is used for absorbing solar energy power generation, dc-to-ac converter 6c is carried with photovoltaic module 6a production to controller 6d, dc-to-ac converter 6c turns into the dc-to-ac power and carries for switch 7, the staff opens switch 7 switch-on circuit, dc-to-ac converter 6c makes hoist engine 5 can work to hoist engine 5 power supply, when switch 7 closes, photovoltaic module 6a supplies power to battery 6e through controller 6d, battery 6e stores the electric quantity, at night or during rainy weather, battery 6e supplies power to inverter 6c through controller 6d, thereby make hoist engine 5 still can use at night or in rainy weather.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (8)
1. A movable blocking dam for a river water body is characterized by comprising a blocking fabric (1), a rope body (4), a winch (5), a power supply (6) and a switch (7);
the intercepting fabric (1) stretches across the inside of the river channel, and part of the intercepting fabric (1) is positioned above the water surface;
the bottom of the intercepting fabric (1) is fixedly provided with a plurality of balance weights (2), the balance weights (2) are arranged at equal intervals along the length direction of the intercepting fabric (1), and the balance weights (2) are hung below the water surface through the intercepting fabric (1);
the top end of the intercepting fabric (1) is suspended right above the river channel through a rope body (4);
the winches (5) are fixedly arranged on two banks of the river channel, and two ends of the rope body (4) are respectively fixedly connected with the working ends of the two winches (5);
the power supply (6) is arranged beside each winch (5), and the power supply (6) is electrically connected with the winches (5) through the switches (7).
2. The movable dam for river water bodies according to claim 1, further comprising buoys (3), wherein the buoys (3) are slidably mounted on the rope bodies (4), and the buoys (3) are located on two sides of the intercepting fabric (1).
3. The movable riverway water body barrage according to claim 1, wherein the weight member (2) comprises an iron ball (2a) and a hook (2b), the hook (2b) is fixedly arranged on the iron ball (2a), and the tip of the hook (2b) penetrates through the intercepting fabric (1) and is detachably fixed on the intercepting fabric (1).
4. The movable dam for river water bodies according to claim 3, wherein a plurality of reinforcing rings (1a) are fixedly installed at the bottom end of the intercepting fabric (1), and the tip ends of the hooks (2b) penetrate through the inner rings of the reinforcing rings (1a) and are hung on the reinforcing rings (1 a).
5. The movable riverway water body barrage according to claim 1, wherein the power supply (6) comprises a photovoltaic assembly (6a), a distribution box (6b), an inverter (6c), a controller (6d) and a storage battery (6e), the photovoltaic assembly (6a) is fixedly arranged at the top end of the winch (5), the distribution box (6b) is arranged beside the winch (5), and the inverter (6c), the controller (6d) and the storage battery (6e) are fixedly arranged inside the distribution box (6 b);
the photovoltaic module (6a), the controller (6d), the inverter (6c), the switch (7) and the winch (5) are electrically connected in sequence, and the controller (6d) is electrically connected with the storage battery (6 e).
6. The movable riverway water body barrage according to claim 2, characterized in that two lantern rings (4a) are sleeved on the rope body (4), the lantern rings (4a) are respectively positioned at two sides of the intercepting fabric (1), the lantern rings (4a) are positioned between the intercepting fabric (1) and the buoy (3), the lantern rings (4a) are provided with threaded holes which radially penetrate through the lantern rings (4a), and stop pins (4b) are installed in the threaded holes in a threaded manner;
under the working state, the bottom end of the stop pin (4b) is abutted against the surface of the rope body (4).
7. The movable dam for river water bodies according to claim 1, wherein the winch (5) comprises a rack (5a), a motor (5b), a speed reducer (5c) and a wire reel (5d), the motor (5b) and the speed reducer (5c) are both fixedly installed on the rack (5a), an output shaft of the motor (5b) is in transmission connection with an input end of the speed reducer (5c), the wire reel (5d) is fixedly installed at an output end of the speed reducer (5c), a rotation axis of the wire reel (5d) is vertically arranged, the rope body (4) is wound on the wire reel (5d), and the motor (5b) is electrically connected with the switch (7).
8. The movable dam of riverway water body according to claim 7, wherein the wire spool (5d) comprises a rotating shaft (5d1), and a first retaining ring (5d2) and a second retaining ring (5d3) which are arranged at two ends of the rotating shaft (5d1), the rotating shaft (5d1) is fixedly arranged at the working end of the speed reducer (5c), and the rotating shaft (5d1), the first retaining ring (5d2) and the second retaining ring (5d3) are coaxially arranged;
the winding machine (5) further comprises a rope winding pin (5e), the rope winding pin (5e) is fixedly installed on the wire spool (5d), the rope winding pin (5e) penetrates through the first stop ring (5d2) and the second stop ring (5d3), and the rope body (4) is wound on the rotating shaft (5d1) and located between the rotating shaft (5d1) and the rope winding pin (5 e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292309.7U CN210562064U (en) | 2019-08-09 | 2019-08-09 | Movable blocking dam for river water body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292309.7U CN210562064U (en) | 2019-08-09 | 2019-08-09 | Movable blocking dam for river water body |
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| CN210562064U true CN210562064U (en) | 2020-05-19 |
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| CN201921292309.7U Active CN210562064U (en) | 2019-08-09 | 2019-08-09 | Movable blocking dam for river water body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424347A (en) * | 2019-08-09 | 2019-11-08 | 宁波国谱环保科技有限公司 | A kind of river water body activity ponding |
| CN115354621A (en) * | 2022-06-27 | 2022-11-18 | 四川省公路规划勘察设计研究院有限公司 | Ecological slope protection building block and slope protection structure |
-
2019
- 2019-08-09 CN CN201921292309.7U patent/CN210562064U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424347A (en) * | 2019-08-09 | 2019-11-08 | 宁波国谱环保科技有限公司 | A kind of river water body activity ponding |
| CN115354621A (en) * | 2022-06-27 | 2022-11-18 | 四川省公路规划勘察设计研究院有限公司 | Ecological slope protection building block and slope protection structure |
| CN115354621B (en) * | 2022-06-27 | 2023-11-24 | 四川省公路规划勘察设计研究院有限公司 | Ecological slope protection building block and slope protection structure |
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