CN115573409A - Leveling device for irrigation channel construction - Google Patents
Leveling device for irrigation channel construction Download PDFInfo
- Publication number
- CN115573409A CN115573409A CN202211217479.5A CN202211217479A CN115573409A CN 115573409 A CN115573409 A CN 115573409A CN 202211217479 A CN202211217479 A CN 202211217479A CN 115573409 A CN115573409 A CN 115573409A
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- plate
- frame
- pressing roller
- move
- supporting plate
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- 230000002262 irrigation Effects 0.000 title claims abstract description 66
- 238000003973 irrigation Methods 0.000 title claims abstract description 66
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 239000003621 irrigation water Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/815—Blades; Levelling or scarifying tools
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/815—Blades; Levelling or scarifying tools
- E02F3/8155—Blades; Levelling or scarifying tools provided with movable parts, e.g. cutting discs, vibrating teeth or the like
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention relates to a leveling device for irrigation channel construction, which belongs to the technical field of irrigation channel construction and comprises a movable frame, a lifting plate, a connecting frame, a rack, a first pressing roller, a second pressing roller, a leveling plate and a supporting plate, wherein the movable frame is fixedly connected with the lifting plate; the connecting frame is arranged at the lower end of the lifting plate, and the rack is arranged at the lower end of the connecting frame; the first press roller is rotatably arranged at the lower end of the rack; two second compression rollers are symmetrically arranged, and both the two second compression rollers are arranged at the lower end of the rack in a sliding manner; the first compression roller and the second compression roller are in a delta-shaped structure; the frame is provided with an adjusting mechanism for driving the second press roller to move; two leveling plates are symmetrically arranged, and both the two leveling plates are arranged on the adjusting mechanism; the supporting plate is arranged at the lower end of the movable frame in a sliding manner; the movable frame is provided with a lifting mechanism for driving the supporting plate to move; the backup pad and lifter plate joint, and backup pad and lifter plate releasable connection. The invention can be adjusted according to the width of the irrigation canal and can level the side wall of the irrigation canal.
Description
Technical Field
The invention relates to the technical field of irrigation channel construction, in particular to a leveling device for irrigation channel construction.
Background
The irrigation channel is a water channel connecting an irrigation water source and an irrigation land. The quantity of water drawn from the water source is delivered and distributed to various parts of the irrigation area. In an irrigation area, irrigation channels are divided into 5 levels such as main channels, branch channels, hopper channels, agricultural channels and main channels according to the size of a control area. Irrigation areas with complex terrain and large area can be additionally provided with multilevel channels such as a main channel, a branch bucket and the like. The irrigation district that the area is less can reduce the channel progression, the channel is indulged, the cross section will be designed according to data such as design irrigation flow and design irrigation water level, the irrigation channel can divide into open channel and closed channel two types, the open channel is built subaerial, has the free surface of water, the closed channel is closed underground water course all around, can be the pressure rivers or the non-pressure rivers, the open channel takes up an area of manyly, seepage and evaporation loss are big, but construction convenience, the cost is lower, the irrigation channel need level and smooth the processing to channel ground when the construction.
Most of the existing channel leveling devices are provided with a support with a rotating roller, and constructors drive the rotating roller to roll by pushing the support so as to level the channel. This kind of device has certain limitation, because the width size of irrigating the canal is different, and level and smooth the device and can't once carry out level and smooth the operation to the bottom of irrigating the canal, lead to when leveling, need make a round trip to carry out level and smooth the operation many times, and can't carry out level and smooth the operation to the lateral wall of irrigating the canal.
Disclosure of Invention
The invention aims to provide a leveling device for irrigation channel construction, which can be adjusted according to the width of an irrigation channel and can level the side wall of the irrigation channel, aiming at the problems in the background art.
The technical scheme of the invention is as follows: a leveling device for irrigation channel construction comprises a moving frame, a lifting plate, a connecting frame, a rack, a first pressing roller, a second pressing roller, a leveling plate and a supporting plate;
the connecting frame is arranged at the lower end of the lifting plate, and the rack is arranged at the lower end of the connecting frame; the first press roller is rotatably arranged at the lower end of the rack; two second compression rollers are symmetrically arranged, and both the two second compression rollers are arranged at the lower end of the rack in a sliding manner; the first pressing roller and the second pressing roller are of a delta-shaped structure; the frame is provided with an adjusting mechanism for driving the second press roller to move; two leveling plates are symmetrically arranged, and both the two leveling plates are arranged on the adjusting mechanism; the supporting plate is arranged at the lower end of the movable frame in a sliding manner; the movable frame is provided with a lifting mechanism for driving the supporting plate to move; the backup pad and lifter plate joint, and backup pad and lifter plate releasable connection.
Preferably, the adjusting mechanism comprises a support frame, a guide rail, a bidirectional screw rod and a bevel gear driving assembly; the guide rails are arranged on the rack, two support frames are symmetrically arranged, and both the two support frames are arranged on the guide rails in a sliding manner; the second press roller is rotatably arranged on the support frame; the bidirectional screw rod is rotationally arranged on the frame; the bidirectional screw rod comprises a first thread part and a second thread part with opposite thread turning directions; the two support frames are respectively in threaded connection with the first threaded part and the second threaded part; the bevel gear driving component is arranged on the frame, and the output end of the bevel gear driving component is connected with the bidirectional screw rod.
Preferably, the lifting mechanism comprises a driving motor, a screw rod and a guide rod; the guide rod is arranged on the movable frame; the screw rod is rotationally arranged on the movable frame; the driving motor is arranged on the movable frame, and the output end of the driving motor is connected with the screw rod; the supporting plate is connected with the guide rod in a sliding manner; the supporting plate is in threaded connection with the screw rod.
Preferably, the supporting plate is provided with a fixing column; the lifting plate is provided with a fixed groove; the fixed column is embedded in the fixed groove.
Preferably, the fixing column is provided with a clamping strip; the clamping strip is detachably connected with the fixing column.
Preferably, the frame is provided with a reinforcing rod; the both ends of stiffener are connected with levelling plate and frame respectively, and the stiffener slope sets up.
The invention also provides a use method of the leveling device for irrigation channel construction, which comprises the following steps:
s1, driving a supporting plate to descend through a lifting mechanism, so that the position of the supporting plate is lower than that of a lifting plate;
s2, pushing the movable frame into the lifting plate to enable the supporting plate to be located below the lifting plate;
s3, driving the supporting plate to move upwards through the lifting mechanism, enabling the supporting plate to be in contact with the lifting plate, lifting the lifting plate, driving the connecting frame and the connecting frame to move through the lifting plate, enabling the first pressing roller and the second pressing roller to be lifted and to move to the position above the irrigation channel, and driving the supporting plate to move downwards through the lifting mechanism, enabling the first pressing roller and the second pressing roller to fall into the irrigation channel;
s4, driving the second pressing roller to move through the adjusting mechanism, so that the second pressing roller is adaptive to the size of the irrigation channel;
s5, driving the leveling plate to move by the adjusting mechanism, so that the leveling plate is in contact with the side wall of the irrigation channel;
s6, the movable frame is pushed to move, the movable frame drives the lifting plate, the connecting frame and the rack to move, so that the first compression roller and the second compression roller are driven to flatten the bottom of the irrigation channel, and the flattening plate flattens the side wall of the irrigation channel.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the irrigation ditch, the screw rod is driven to rotate by the driving motor, the guide rod guides the supporting plate, the screw rod drives the supporting plate to move, the position of the supporting plate is moved to the position below the lifting plate, the moving frame is moved, the supporting plate can be moved to the position below the lifting plate, the lifting mechanism drives the supporting plate to move upwards, the supporting plate drives the fixing columns to be clamped into the lifting plate, the lifting plate can be connected with the supporting plate, the lifting plate is convenient to move, the moving frame is moved to the position above an irrigation ditch, the lifting plate drives the connecting frame and the rack to move, the first pressing roller and the second pressing roller are driven to move by the lifting mechanism, the second pressing roller is driven to move by the adjusting mechanism, the second pressing roller can be adjusted according to the width of the irrigation ditch, after adjustment is completed, the leveling plate is in contact with the side wall of the irrigation ditch, the lifting plate is driven by the moving frame to move, the connecting frame and the rack drives the first pressing roller and the second pressing roller to move, the leveling plate flattens the side wall of the irrigation ditch, the bottom of the first pressing roller and the bottom of the irrigation ditch can be adjusted conveniently used for adjusting the irrigation ditch.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a movable frame according to the present invention;
FIG. 3 is a schematic view of a partial structure of an embodiment of the present invention;
FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 2;
fig. 5 is a partially enlarged structural view at B in fig. 3.
Reference numerals: 1. a movable frame; 2. a lifting plate; 201. fixing grooves; 3. a connecting frame; 4. a frame; 51. a first press roll; 52. a second press roll; 6. an adjustment mechanism; 601. a support frame; 602. a guide rail; 603. a bidirectional screw rod; 604. a bevel gear drive assembly; 7. leveling the plate; 8. a reinforcing bar; 9. a lifting mechanism; 901. a drive motor; 902. a screw rod; 903. a guide bar; 10. a support plate; 11. fixing a column; 12. and (4) clamping the strip.
Detailed Description
Example one
As shown in fig. 1-5, the leveling device for irrigation canal construction according to the present invention comprises a moving frame 1, a lifting plate 2, a connecting frame 3, a frame 4, a first pressing roller 51, a second pressing roller 52, a leveling plate 7 and a supporting plate 10;
the connecting frame 3 is arranged at the lower end of the lifting plate 2, and the rack 4 is arranged at the lower end of the connecting frame 3; the first press roller 51 is rotatably arranged at the lower end of the frame 4; two second press rollers 52 are symmetrically arranged, and the two second press rollers 52 are arranged at the lower end of the rack 4 in a sliding manner; the first press roller 51 and the second press roller 52 are in a delta-shaped structure; the frame 4 is provided with an adjusting mechanism 6 for driving the second press roller 52 to move; two leveling plates 7 are symmetrically arranged, and the two leveling plates 7 are both arranged on the adjusting mechanism 6; the supporting plate 10 is arranged at the lower end of the movable frame 1 in a sliding manner; the moving frame 1 is provided with a lifting mechanism 9 for driving the supporting plate 10 to move; the supporting plate 10 is clamped with the lifting plate 2, and the supporting plate 10 is detachably connected with the lifting plate 2.
The lifting mechanism 9 comprises a driving motor 901, a screw rod 902 and a guide rod 903; the guide rod 903 is arranged on the movable frame 1; the screw 902 is rotationally arranged on the movable frame 1; the driving motor 901 is arranged on the movable frame 1, and the output end of the driving motor 901 is connected with the screw rod 902; the support plate 10 is slidably connected with the guide rod 903; the support plate 10 is threadedly coupled to the lead screw 902.
A fixed column 11 is arranged on the supporting plate 10; the lifting plate 2 is provided with a fixing groove 201; the fixing column 11 is embedded in the fixing groove 201. The fixed column 11 is provided with a clamping strip 12; the clamping strip 12 is detachably connected with the fixing column 11; move the backup pad 10 to the below of lifter plate 2 for fixed column 11 aims at fixed slot 201, through elevating system 9 drive fixed column 11 upward movement, make fixed column 11 insert in fixed slot 201, insert joint strip 12 again on fixed column 11, make the backup pad 10 be connected with lifter plate 2.
A reinforcing rod 8 is arranged on the frame 4; two ends of the reinforcing rod 8 are respectively connected with the leveling plate 7 and the frame 4, and the reinforcing rod 8 is obliquely arranged; the stiffening rods 8 are able to support the levelling plate 7.
The invention also provides a using method of the leveling device for irrigation channel construction, which comprises the following steps:
s1, driving a supporting plate 10 to descend through a lifting mechanism 9, so that the position of the supporting plate 10 is lower than that of a lifting plate 2;
s2, pushing the movable frame 1 to the lifting plate 2, so that the support plate 10 is positioned below the lifting plate 2;
s3, the supporting plate 10 is driven to move upwards through the lifting mechanism 9, so that the supporting plate 10 is in contact with the lifting plate 2, the lifting plate 2 is lifted, the lifting plate 2 drives the connecting frame 3 and the connecting frame 3 to move, the first pressing roller 51 and the second pressing roller 52 are lifted and move to the upper part of the irrigation channel, and then the supporting plate 10 is driven to move downwards through the lifting mechanism 9, so that the first pressing roller 51 and the second pressing roller 52 fall into the irrigation channel;
s4, driving the second pressing roller 52 to move through the adjusting mechanism 6, so that the second pressing roller 52 is adaptive to the size of the irrigation canal;
s5, the adjusting mechanism 6 drives the leveling plate 7 to move, so that the leveling plate 7 is in contact with the side wall of the irrigation channel;
s6, the movable frame 1 is pushed to move, the movable frame 1 drives the lifting plate 2, the connecting frame 3 and the rack 4 to move, so that the first pressing roller 51 and the second pressing roller 52 are driven to flatten the bottom of the irrigation canal, and the flattening plate 7 flattens the side wall of the irrigation canal.
In this embodiment, lead screw 902 is driven to rotate by driving motor 901, guide rod 903 guides support plate 10, lead screw 902 drives support plate 10 to move, make the position of support plate 10 move to the below of lifter plate 2, move movable frame 1, make support plate 10 move to the below of lifter plate 2, drive support plate 10 to move upwards by elevating system 9, make support plate 10 drive fixed column 11 card to be blocked in lifter plate 2, make lifter plate 2 can be connected with support plate 10, conveniently move lifter plate 2, move movable frame 1 to the top of irrigation canal, make lifter plate 2 drive link 3 and frame 4 to move, make first compression roller 51 and second compression roller 52 move to the top of irrigation canal, drive support plate 10 to move downwards by elevating system 9, thereby put first compression roller 51 and second compression roller 52 into irrigation canal, drive second compression roller 52 to move by adjustment mechanism 6, make second compression roller 52 to adjust according to the irrigation canal width, after the adjustment is completed, side wall contact with the irrigation canal plate 7, drive lifter plate 2 through movable frame 1, make the bottom of link 3 and second compression roller 52 move, make the bottom of movable frame carry out the leveling operation to the side wall of irrigation canal, thereby it can carry out leveling operation to the side wall of first compression roller 51 and leveling canal, and leveling plate, it can be convenient to irrigate the side wall of irrigation canal to irrigate, it.
Example two
As shown in fig. 1 to 5, compared with the first embodiment, the leveling device for irrigation channel construction according to the present invention includes an adjusting mechanism 6 in the first embodiment, which includes a supporting frame 601, a guide rail 602, a bidirectional screw 603, and a bevel gear driving assembly 604; the guide rail 602 is arranged on the frame 4, two support frames 601 are symmetrically arranged, and both the two support frames 601 are arranged on the guide rail 602 in a sliding manner; the second pressing roller 52 is rotatably arranged on the supporting frame 601; the bidirectional screw 603 is rotatably arranged on the frame 4; the bidirectional screw 603 comprises a first thread part and a second thread part with opposite thread directions; the two support frames 601 are respectively in threaded connection with the first threaded part and the second threaded part; the bevel gear driving component 604 is arranged on the frame 4, and the output end of the bevel gear driving component 604 is connected with the bidirectional screw 603.
In this embodiment, when the position of two second compression rollers 52 needs to be adjusted, drive two-way lead screw 603 through bevel gear drive assembly 604 and rotate, two-way lead screw 603 drive two support frames 601 respectively and remove, and guide rail 602 leads to support frame 601, and support frame 601 drives second compression roller 52 and removes to can adjust the position of second compression roller 52, make second compression roller 52 can cooperate the width of irrigating the canal, thereby can flatten the irrigating canal.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. The leveling device for irrigation channel construction is characterized by comprising a moving frame (1), a lifting plate (2), a connecting frame (3), a rack (4), a first pressing roller (51), a second pressing roller (52), a leveling plate (7) and a supporting plate (10);
the connecting frame (3) is arranged at the lower end of the lifting plate (2), and the rack (4) is arranged at the lower end of the connecting frame (3); the first compression roller (51) is rotatably arranged at the lower end of the frame (4); two second press rollers (52) are symmetrically arranged, and the two second press rollers (52) are arranged at the lower end of the rack (4) in a sliding manner; the first pressing roller (51) and the second pressing roller (52) are of a delta-shaped structure; an adjusting mechanism (6) for driving the second pressing roller (52) to move is arranged on the rack (4); two leveling plates (7) are symmetrically arranged, and the two leveling plates (7) are arranged on the adjusting mechanism (6); the supporting plate (10) is arranged at the lower end of the movable frame (1) in a sliding manner; the moving frame (1) is provided with a lifting mechanism (9) for driving the supporting plate (10) to move; the supporting plate (10) is clamped with the lifting plate (2), and the supporting plate (10) is detachably connected with the lifting plate (2).
2. The leveling device for irrigation canal construction according to claim 1, wherein the adjusting mechanism (6) comprises a support frame (601), a guide rail (602), a bidirectional screw rod (603) and a bevel gear driving component (604); the guide rails (602) are arranged on the rack (4), two support frames (601) are symmetrically arranged, and the two support frames (601) are arranged on the guide rails (602) in a sliding manner; the second pressing roller (52) is rotatably arranged on the supporting frame (601); the bidirectional screw rod (603) is rotatably arranged on the rack (4); the bidirectional screw rod (603) comprises a first threaded part and a second threaded part with opposite thread directions; the two support frames (601) are respectively in threaded connection with the first threaded part and the second threaded part; the bevel gear driving component (604) is arranged on the frame (4), and the output end of the bevel gear driving component (604) is connected with the bidirectional screw rod (603).
3. The leveling device for irrigation canal construction according to claim 1, wherein the lifting mechanism (9) comprises a driving motor (901), a screw rod (902) and a guide rod (903); the guide rod (903) is arranged on the movable frame (1); the screw rod (902) is rotationally arranged on the movable frame (1); the driving motor (901) is arranged on the movable frame (1), and the output end of the driving motor (901) is connected with the screw rod (902); the supporting plate (10) is connected with the guide rod (903) in a sliding way; the supporting plate (10) is in threaded connection with the screw rod (902).
4. The grading device for irrigation canal construction according to claim 3, wherein the support plate (10) is provided with fixing posts (11); a fixed groove (201) is arranged on the lifting plate (2); the fixing column (11) is embedded in the fixing groove (201).
5. The leveling device for irrigation canal construction according to claim 4, wherein the fixing post (11) is provided with a clamping bar (12); the clamping strip (12) is detachably connected with the fixing column (11).
6. The leveling device for irrigation canal construction according to claim 1, wherein the frame (4) is provided with a reinforcing rod (8); two ends of the reinforcing rod (8) are respectively connected with the leveling plate (7) and the rack (4), and the reinforcing rod (8) is obliquely arranged.
7. The grading apparatus for irrigation canal construction according to claim 1, further providing a method for using the grading apparatus for irrigation canal construction, wherein the method comprises the following steps:
s1, driving a supporting plate (10) to descend through a lifting mechanism (9), so that the position of the supporting plate (10) is lower than that of a lifting plate (2);
s2, pushing the movable frame (1) to the lifting plate (2) so that the support plate (10) is located below the lifting plate (2);
s3, the supporting plate (10) is driven to move upwards through the lifting mechanism (9), so that the supporting plate (10) is in contact with the lifting plate (2), the lifting plate (2) is lifted, the lifting plate (2) drives the connecting frame (3) and the connecting frame (3) to move, the first pressing roller (51) and the second pressing roller (52) are lifted and move to the upper side of the irrigation canal, and then the supporting plate (10) is driven to move downwards through the lifting mechanism (9), so that the first pressing roller (51) and the second pressing roller (52) fall into the irrigation canal;
s4, driving the second pressing roller (52) to move through the adjusting mechanism (6), so that the second pressing roller (52) is adaptive to the size of the irrigation canal;
s5, driving the leveling plate (7) to move by the adjusting mechanism (6), so that the leveling plate (7) is in contact with the side wall of the irrigation canal;
s6, the movable frame (1) is pushed to move, the movable frame (1) drives the lifting plate (2), the connecting frame (3) and the rack (4) to move, so that the bottom of an irrigation canal is flattened by the first pressing roller (51) and the second pressing roller (52), and the flattening plate (7) flattens the side wall of the irrigation canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211217479.5A CN115573409B (en) | 2022-10-04 | 2022-10-04 | Leveling device for irrigation channel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211217479.5A CN115573409B (en) | 2022-10-04 | 2022-10-04 | Leveling device for irrigation channel construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115573409A true CN115573409A (en) | 2023-01-06 |
| CN115573409B CN115573409B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211217479.5A Active CN115573409B (en) | 2022-10-04 | 2022-10-04 | Leveling device for irrigation channel construction |
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| Country | Link |
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| CN (1) | CN115573409B (en) |
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| CN216238723U (en) * | 2021-11-24 | 2022-04-08 | 湖南省水利水电科学研究院 | Irrigation canal is with clear native device |
| CN217026920U (en) * | 2022-04-18 | 2022-07-22 | 云南朗坤建筑工程有限公司 | Channel lateral wall supports fixing device for hydraulic engineering construction |
| CN217299098U (en) * | 2022-05-26 | 2022-08-26 | 民乐县童子坝河水利管理处 | Irrigation and water conservancy irrigation channel desilting device |
| CN114775543A (en) * | 2022-06-06 | 2022-07-22 | 郑州大学 | A level and smooth device for green construction of water conservancy channel |
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| CN115573409B (en) | 2024-06-14 |
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