CN113565063A - Municipal works are with flood control drainage device - Google Patents

Municipal works are with flood control drainage device Download PDF

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Publication number
CN113565063A
CN113565063A CN202111072231.XA CN202111072231A CN113565063A CN 113565063 A CN113565063 A CN 113565063A CN 202111072231 A CN202111072231 A CN 202111072231A CN 113565063 A CN113565063 A CN 113565063A
Authority
CN
China
Prior art keywords
plate
sliding
flood control
drainage
protection plate
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
Application number
CN202111072231.XA
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Chinese (zh)
Inventor
罗万里
郇涧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xiongsu Construction Co ltd
Original Assignee
Jiangsu Xiongsu Construction Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Xiongsu Construction Co ltd filed Critical Jiangsu Xiongsu Construction Co ltd
Priority to CN202111072231.XA priority Critical patent/CN113565063A/en
Publication of CN113565063A publication Critical patent/CN113565063A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/10Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
    • E02B3/106Temporary dykes
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/10Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like

Abstract

The invention discloses a flood control drainage device for municipal engineering, which belongs to the technical field of flood control drainage and comprises a base, wherein a protection plate is arranged on the base, a placing groove is formed in the protection plate, a lifting mechanism is arranged in the placing groove, two drainage mechanisms are symmetrically arranged on the outer side of the protection plate, the bottom end of the base is connected with a mounting plate through a bolt, a plurality of safety posts are arrayed on the mounting plate, the bottom end of the inner side of the protection plate is connected with a telescopic plate, a plurality of balancing weights are arranged on the telescopic plate, a large clamping groove is formed in one side end of the protection plate, and a plurality of small clamping grooves are symmetrically formed in two sides of the large clamping groove; the height of the lengthening plate can be adjusted by rotating the rotating shaft according to needs through the lifting mechanism arranged on the protection plate, so that the height of the whole device is adjusted, the device is convenient to use under different conditions, and meanwhile, through the two drainage mechanisms arranged on the protection plate, drainage operation can be performed while flood control is performed, the device is very convenient to use, and the device can be lengthened for use according to needs.

Description

Municipal works are with flood control drainage device
Technical Field
The invention belongs to the technical field of flood control and drainage, and particularly relates to a flood control and drainage device for municipal engineering.
Background
At present, the urbanization process of China is accelerated, as the economic, political and cultural center centralizing numerous population, the modern functions borne by cities are more and more diversified, along with the problem of frequent rainstorm caused by climate change in two years, serious waterlogging occurs in many domestic cities, the urban construction management is very unfavorable, troubles are brought to production and life of people, and therefore, the system construction is inevitably selected for strengthening the target of improving the urban flood control and drainage capacity. At present when taking place flood disasters, adopt manpower transport sand bag usually, pile up at flood control mouth for slow down flood disasters, but such flood control mode consumes manpower and time very much, also can appear the untimely problem of flood control work, and the application sand bag can only block water, diversion drainage that can not be fine, and when the water is more deep when more urgent, ordinary sand bag piles up work such as flood control drainage that can't be fine, has restricted its use.
Disclosure of Invention
In view of the shortcomings in the prior art, the present invention provides a flood control drainage device for municipal engineering, which solves the above problems in the prior art.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a municipal works are with flood control drainage device, the on-line screen storage device comprises a base, be equipped with the guard plate on the base, the standing groove has been seted up on the guard plate, it raises the mechanism to be equipped with in the standing groove, the symmetry is equipped with two drainage mechanism on the outside of guard plate, there is the mounting panel bottom of base through bolted connection, the array has a plurality of safety post on the mounting panel, be connected with the expansion plate on the inboard bottom of guard plate, be equipped with a plurality of balancing weight on the expansion plate, big draw-in groove has been seted up on one side of guard plate, the bilateral symmetry of big draw-in groove is equipped with a plurality of little draw-in groove, be equipped with on the other end of guard plate with big draw-in groove complex big fixture block, the both ends of big fixture block be equipped with little fixture block with little draw-in groove complex.
Further, raise the mechanism including setting up the bedplate in the tank bottom portion, be equipped with the fixed plate on the bedplate, the bilateral symmetry of fixed plate is equipped with first slide, the both sides of first slide are equipped with the second slide, the both sides of second slide are equipped with the traveller, be connected with the extension board between the traveller, the both sides upper end of fixed plate is equipped with first runner, the half end symmetry of first slide is equipped with two second runners, the half end symmetry of first slide is equipped with two third runners, the half end symmetry of second slide is equipped with two fourth runners, the half end symmetry of second slide is equipped with two fifth runners, be equipped with first main wheel and second main wheel through the pivot on the intermediate position of fixed plate.
Further, the first main wheel sequentially penetrates through the first rotating wheel, the second rotating wheel, the third rotating wheel, the fourth rotating wheel and the fifth rotating wheel on the left side through the first belt to be connected with the sliding column, and the second main wheel sequentially penetrates through the first rotating wheel, the second rotating wheel, the third rotating wheel, the fourth rotating wheel and the fifth rotating wheel on the right side through the second belt to be connected with the sliding column.
Furthermore, all be equipped with the dog on fixed plate, first slide and the second slide, all be equipped with the cooperation piece below lieing in corresponding dog on first slide, second slide and the traveller.
Furthermore, a plurality of anti-skidding teeth are arranged on the stop block, and anti-skidding grooves matched with the anti-skidding teeth are formed in the matching block.
Further, drainage mechanism is including setting up the water storage plate on the guard plate, the bilateral symmetry of water storage plate is equipped with a plurality of drain pipes, the top of water storage plate is equipped with driving motor, be equipped with a plurality of springs on the front end of water storage plate, be equipped with the elasticity filler between the spring, be connected with the anticollision board on spring and the filler, be equipped with a plurality of water conservancy diversion holes on the anticollision board.
Furthermore, a first magnet is arranged in the large clamping groove, and a second magnet which is mutually attracted with the first magnet is arranged on the large clamping block.
The invention has the beneficial effects that:
the height of the lengthening plate can be adjusted by rotating the rotating shaft according to needs through the lifting mechanism arranged on the protection plate, so that the height of the whole device is adjusted, the device is convenient to use under different conditions, and meanwhile, through the two drainage mechanisms arranged on the protection plate, drainage operation can be performed while flood control is performed, the device is very convenient to use, and the device can be lengthened for use according to needs.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram I of the structure of the present invention;
FIG. 2 is a schematic diagram II of the present invention;
FIG. 3 is a schematic view of the elevation mechanism;
FIG. 4 is a schematic view of the structure of the drainage mechanism;
FIG. 5 is a schematic view of the stopper;
fig. 6 is a schematic view of the structure of the mating block.
The reference numbers in the figures illustrate:
1. a base; 2. a protection plate; 3. a placement groove; 4. a raising mechanism; 5. a drainage mechanism; 6. mounting a plate; 7. a safety post; 8. a retractable plate; 9. a balancing weight; 10. a large clamping groove; 11. a small card slot; 12. a large clamping block; 13. a small fixture block; 14. a seat plate; 15. a fixing plate; 16. a first slide plate; 17. a second slide plate; 18. a traveler; 19. a lengthening plate; 20. a first runner; 21. a second runner; 22. a third rotating wheel; 23. a fourth rotating wheel; 24. a fifth rotating wheel; 25. a rotating shaft; 26. a first main wheel; 27. a second main wheel; 28. a first belt; 29. a second belt; 30. a stopper; 31. a matching block; 32. anti-slip teeth; 33. an anti-slip groove; 34. a water storage plate; 35. a drain pipe; 36. a drive motor; 37. a spring; 38. a filler; 39. an anti-collision plate; 40. a flow guide hole; 41. a first magnet; 42. a second magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
A flood control drainage device for municipal engineering is disclosed, as shown in figure 1 and figure 2, comprising a base 1, a protection plate 2 is arranged on the base 1, a placing groove 3 is arranged on the protection plate 2, a lifting mechanism 4 is arranged in the placing groove 3, two drainage mechanisms 5 are symmetrically arranged on the outer side of the protection plate 2, the bottom end of the base 1 is connected with a mounting plate 6 through bolts, a plurality of safety posts 7 are arrayed on the mounting plate 6, the safety posts 7 are detachably arranged at the bottom through the mounting plate 6, the safety posts are inserted into the ground as required, the stability of the device is improved, an expansion plate 8 is connected on the inner bottom end of the protection plate 2, a plurality of balancing weights 9 are arranged on the expansion plate 8, the stability of the device can be further improved, the expansion plate 8 can properly place the balancing weights 9 according to the extending height of the lifting mechanism 4, the use is convenient, a large clamping groove 10 is arranged on one side end of the protection plate 2, the bilateral symmetry of big draw-in groove 10 is equipped with a plurality of little draw-in grooves 11, be equipped with on the other end of guard plate 2 with big draw-in groove 10 complex big fixture block 12, the both ends of big fixture block 12 be equipped with little draw-in groove 11 complex little fixture block 13, be equipped with first magnet 41 in the big draw-in groove 10, be equipped with the second magnet 42 with first magnet 41 inter attraction on the big fixture block 12, cooperation through fixture block and draw-in groove, can be according to the in-service use condition, increase the quantity of device, interconnect is in the same place, high durability and convenient use, the first magnet 41 that are equipped with and the second magnet 42 can increase the connection steadiness between the device.
As shown in fig. 3, 5 and 6, the raising mechanism 4 includes a seat plate 14 disposed at the bottom of the placement groove 3, a fixing plate 15 is disposed on the seat plate 14, first sliding plates 16 are symmetrically disposed on two sides of the fixing plate 15, second sliding plates 17 are disposed on two sides of the first sliding plates 16, sliding columns 18 are disposed on two sides of the second sliding plates 17, a lengthening plate 19 is connected between the sliding columns 18, first rotating wheels 20 are disposed at upper ends of two sides of the fixing plate 15, two second rotating wheels 21 are symmetrically disposed at a lower half end of the first sliding plates 16, two third rotating wheels 22 are symmetrically disposed at an upper half end of the first sliding plates 16, two fourth rotating wheels 23 are symmetrically disposed at a lower half end of the second sliding plates 17, two fifth rotating wheels 24 are symmetrically disposed at an upper half end of the second sliding plates 17, a first main wheel 26 and a second main wheel 27 are disposed at a middle position of the fixing plate 15 through a rotating shaft 25, and the first main wheel 26 sequentially passes through the first rotating wheel 20, 27 on the left side, through a first belt 28, The second runner 21, the third runner 22, the fourth runner 23 and the fifth runner 24 are connected with the sliding column 18, the second main wheel 27 sequentially passes through the first runner 20, the second runner 21, the third runner 22, the fourth runner 23 and the fifth runner 24 on the right side through a second belt 29 to be connected with the sliding column 18, the fixed plate 15, the first sliding plate 16 and the second sliding plate 17 are respectively provided with a stop 30, the first sliding plate 16, the second sliding plate 17 and the sliding column 18 are respectively provided with a matching block 31 below the corresponding stop 30, the stop 30 is provided with a plurality of anti-skidding teeth 32, the matching block 31 is provided with anti-skidding grooves 33 mutually matched with the anti-skidding teeth 32, the first main wheel 26 and the second main wheel 27 are matched with the first runner 20, the second runner 21, the third runner 22, the fourth runner 23 and the fifth runner 24 through the first belt 28 and the second belt 29 to drive the first sliding plate 16, the second sliding plate 17 and the sliding column 18 to move up and down, thereby drive extension board 19 and remove in standing groove 3 to the height of condition device adapts to deeper underwater use, and dog 30 and cooperation piece 31 that are equipped with, through the cooperation of antiskid tooth 32 with antiskid groove 33, can carry on spacingly, raises mechanism 4 and has the regulation grade, convenient operation uses.
As shown in fig. 4, the drainage mechanism 5 includes a water storage plate 34 disposed on the protection plate 2, a plurality of drainage pipes 35 are symmetrically disposed on two sides of the water storage plate 34, a driving motor 36 is disposed on the top end of the water storage plate 34, the driving motor 36 is protected by a protection housing and is anti-collision, a plurality of springs 37 are disposed on the front end of the water storage plate 34, elastic fillers 38 are disposed between the springs 37, anti-collision plates 39 are connected to the springs 37 and the fillers 38, a plurality of flow guide holes 40 are disposed on the anti-collision plates 39, the water storage plate 34 absorbs water through the driving motor 36 and is drained through the drainage pipes 35, the drainage pipes 35 can be externally connected, the anti-collision plates 39 prevent broken stones in the water from damaging the drainage mechanism 5, and the flow guide holes 40 prevent impurities in the water from being sucked into the water storage plate 34 and causing blockage by the springs 37 and the elastic fillers 38.
When the safety column is used, the safety column 7 is inserted into the ground according to the use requirement, the balancing weight 9 is arranged on the expansion plate 8 to fix the device, when the water is shallow, the lifting mechanism 4 does not need to be adjusted, only the drainage mechanism 5 below the bottom needs to be opened, the accumulated water is drained through the drainage pipes 35 at two sides by driving the driving motor 36, when the water is urgent, the rotating shaft 25 is twisted to drive the first main wheel 26 and the second main wheel 27 to rotate according to the requirement, the first main wheel 26 and the second main wheel 27 are matched with the first rotating wheel 20, the second rotating wheel 21, the third rotating wheel 22, the fourth rotating wheel 23 and the fifth rotating wheel 24 through the first belt 28 and the second belt 29, the first sliding plate 16, the second sliding plate 17 and the sliding column 18 can be driven to move, the positions of the first sliding plate 16, the second sliding plate 17 and the sliding column 18 can be adjusted through the stop block 30 and the matching block 31, specifically, when the first main wheel 26 and the second main wheel 27 rotate, the outermost sliding column 18 slides upwards, after the matching block 31 on the sliding column 18 is matched with the stop block 30 on the second sliding plate 17, the sliding column 18 stops sliding, at the moment, the second sliding plate 17 moves upwards under the driving of the rotating wheel, when the matching block 31 on the second sliding plate 17 is matched with the stop block 30 on the first sliding plate 16, the second sliding plate 17 stops sliding, the first sliding plate 16 starts sliding, and the like, so that the length of the lengthened plate 19 can be adjusted, the device can be used on the water with higher urgency and depth, and meanwhile, the second drainage mechanism 5 above is opened, and drainage is accelerated.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (7)

1. The flood control and drainage device for the municipal engineering comprises a base (1) and is characterized in that a protection plate (2) is arranged on the base (1), a placing groove (3) is formed in the protection plate (2), a lifting mechanism (4) is arranged in the placing groove (3), two drainage mechanisms (5) are symmetrically arranged on the outer side of the protection plate (2), the bottom end of the base (1) is connected with a mounting plate (6) through bolts, a plurality of safety columns (7) are arrayed on the mounting plate (6), a telescopic plate (8) is connected to the bottom end of the inner side of the protection plate (2), a plurality of balancing weights (9) are arranged on the telescopic plate (8), a large clamping groove (10) is formed in one side end of the protection plate (2), a plurality of small clamping grooves (11) are symmetrically formed in two sides of the large clamping groove (10), a large clamping block (12) matched with the large clamping groove (10) is arranged at the other end of the protection plate (2), and small clamping blocks (13) matched with the small clamping grooves (11) are arranged at two ends of the large clamping block (12).
2. The flood control and drainage device for municipal engineering according to claim 1, wherein the lifting mechanism (4) comprises a seat plate (14) arranged at the bottom of the placement groove (3), a fixing plate (15) is arranged on the seat plate (14), first sliding plates (16) are symmetrically arranged on two sides of the fixing plate (15), second sliding plates (17) are arranged on two sides of the first sliding plates (16), sliding columns (18) are arranged on two sides of the second sliding plates (17), an extension plate (19) is connected between the sliding columns (18), first rotating wheels (20) are arranged at the upper ends of two sides of the fixing plate (15), two second rotating wheels (21) are symmetrically arranged at the lower half of the first sliding plates (16), two third rotating wheels (22) are symmetrically arranged at the upper half of the first sliding plates (16), and two fourth rotating wheels (23) are symmetrically arranged at the lower half of the second sliding plates (17), the upper half end of the second sliding plate (17) is symmetrically provided with two fifth rotating wheels (24), and the middle position of the fixed plate (15) is provided with a first main wheel (26) and a second main wheel (27) through a rotating shaft (25).
3. The flood control drainage device for municipal engineering according to claim 2, wherein the first main wheel (26) is connected to the strut (18) by passing through the first, second, third, fourth and fifth wheels (20, 21, 22, 23) on the left side in sequence via a first belt (28), and the second main wheel (27) is connected to the strut (18) by passing through the first, second, third, fourth and fifth wheels (20, 21, 22, 23) on the right side in sequence via a second belt (29).
4. The flood control drainage device for municipal engineering according to claim 2, wherein the fixing plate (15), the first sliding plate (16) and the second sliding plate (17) are provided with stoppers (30), and the first sliding plate (16), the second sliding plate (17) and the sliding column (18) are provided with matching blocks (31) below the corresponding stoppers (30).
5. The flood control drainage device for municipal engineering according to claim 4, wherein the stop block (30) is provided with a plurality of anti-slip teeth (32), and the mating block (31) is provided with anti-slip grooves (33) which are matched with the anti-slip teeth (32).
6. The flood control drainage device for the municipal engineering according to claim 1, wherein the drainage mechanism (5) comprises a water storage plate (34) arranged on the protection plate (2), a plurality of drainage pipes (35) are symmetrically arranged on two sides of the water storage plate (34), a driving motor (36) is arranged at the top end of the water storage plate (34), a plurality of springs (37) are arranged at the front end of the water storage plate (34), an elastic filler (38) is arranged between the springs (37), an anti-collision plate (39) is connected to the springs (37) and the filler (38), and a plurality of flow guide holes (40) are formed in the anti-collision plate (39).
7. The flood control and drainage device for municipal engineering according to claim 1, wherein a first magnet (41) is arranged in the large clamping groove (10), and a second magnet (42) which attracts the first magnet (41) is arranged on the large clamping block (12).
CN202111072231.XA 2021-09-14 2021-09-14 Municipal works are with flood control drainage device Pending CN113565063A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111072231.XA CN113565063A (en) 2021-09-14 2021-09-14 Municipal works are with flood control drainage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111072231.XA CN113565063A (en) 2021-09-14 2021-09-14 Municipal works are with flood control drainage device

Publications (1)

Publication Number Publication Date
CN113565063A true CN113565063A (en) 2021-10-29

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CN202111072231.XA Pending CN113565063A (en) 2021-09-14 2021-09-14 Municipal works are with flood control drainage device

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Country Link
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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207314267U (en) * 2017-10-16 2018-05-04 刘宝亮 A kind of adjustable municipal Flood Prevention device
KR20200053079A (en) * 2018-11-07 2020-05-18 주식회사 경호엔지니어링 종합건축사사무소 Lifting type flooding protection wall
CN211113441U (en) * 2019-10-31 2020-07-28 国网江苏省电力有限公司徐州供电分公司 Flood control baffle easy to assemble for transformer substation
CN111844333A (en) * 2020-07-30 2020-10-30 广州思威耀家具有限公司 Office table and chair cutting device based on line driving
CN212052582U (en) * 2019-12-16 2020-12-01 张良斌 Hydraulic engineering flood prevention device
CN212050426U (en) * 2019-10-11 2020-12-01 琚自要 Municipal works are with elevating gear that speedily carries out rescue work
CN212077796U (en) * 2020-04-11 2020-12-04 靳君 Hydraulic engineering flood control baffle
CN112030869A (en) * 2020-08-31 2020-12-04 马强 Flood prevention protection device
CN213203975U (en) * 2020-06-29 2021-05-14 广东华格建设有限公司 River course flood prevention revetment
CN213805199U (en) * 2020-11-12 2021-07-27 黄彬 Hydraulic engineering is with high-efficient durable flood bank
CN214089680U (en) * 2020-10-31 2021-08-31 李燕 Municipal works are with flood control device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207314267U (en) * 2017-10-16 2018-05-04 刘宝亮 A kind of adjustable municipal Flood Prevention device
KR20200053079A (en) * 2018-11-07 2020-05-18 주식회사 경호엔지니어링 종합건축사사무소 Lifting type flooding protection wall
CN212050426U (en) * 2019-10-11 2020-12-01 琚自要 Municipal works are with elevating gear that speedily carries out rescue work
CN211113441U (en) * 2019-10-31 2020-07-28 国网江苏省电力有限公司徐州供电分公司 Flood control baffle easy to assemble for transformer substation
CN212052582U (en) * 2019-12-16 2020-12-01 张良斌 Hydraulic engineering flood prevention device
CN212077796U (en) * 2020-04-11 2020-12-04 靳君 Hydraulic engineering flood control baffle
CN213203975U (en) * 2020-06-29 2021-05-14 广东华格建设有限公司 River course flood prevention revetment
CN111844333A (en) * 2020-07-30 2020-10-30 广州思威耀家具有限公司 Office table and chair cutting device based on line driving
CN112030869A (en) * 2020-08-31 2020-12-04 马强 Flood prevention protection device
CN214089680U (en) * 2020-10-31 2021-08-31 李燕 Municipal works are with flood control device
CN213805199U (en) * 2020-11-12 2021-07-27 黄彬 Hydraulic engineering is with high-efficient durable flood bank

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Application publication date: 20211029