CN110185313B - A multistage sediment trapping device for soil and water conservation - Google Patents
A multistage sediment trapping device for soil and water conservation Download PDFInfo
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- CN110185313B CN110185313B CN201910496415.5A CN201910496415A CN110185313B CN 110185313 B CN110185313 B CN 110185313B CN 201910496415 A CN201910496415 A CN 201910496415A CN 110185313 B CN110185313 B CN 110185313B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 title claims abstract description 22
- 239000013049 sediment Substances 0.000 title claims description 13
- 239000004576 sand Substances 0.000 claims abstract description 96
- 230000000903 blocking effect Effects 0.000 claims abstract description 56
- 238000004804 winding Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000004888 barrier function Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 8
- 239000011111 cardboard Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 239000011150 reinforced concrete Substances 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 239000004567 concrete Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Treatment Of Sludge (AREA)
- Revetment (AREA)
Abstract
The invention relates to a multi-stage sand blocking device for water and soil conservation, which comprises a sand blocking guardrail, a winding device, a positioning sand-proof net and a bearing bottom frame, wherein the winding device is arranged at the lower end of the sand blocking guardrail, the positioning sand-proof net is wound on the winding device, and the bearing bottom frame is arranged at the rear end of the sand blocking guardrail. The invention can solve the problems that the existing sand-blocking guardrail is usually a reinforced concrete hard wall, silt at two sides is separated and blocked by the wall, the silt at the upper side of the wall is easily accumulated at the edge of the wall for a long time, the effect of keeping water and soil is difficult to achieve, the silt accumulated at the corner has certain weight, the long-time accumulation easily causes certain damage to the wall structure, the existing sand-blocking guardrail is usually poured on a river slope, the installation is complicated, the disassembly cannot be carried out, and the like.
Description
Technical Field
The invention relates to the field of river regulation, in particular to a multi-stage sand blocking device for water and soil conservation.
Background
The river course has functions such as flood carrying, waterlogging drainage, diversion, irrigation, shipping, view, tourism, and the side slope of river course both sides is gone up to amass has a large amount of silt, because the side slope has certain inclination, long-term in the past, thereby siltation in the bottom in the river course is probably flowed into to the silt on the side slope, has caused the river course to overflow the section and has reduced in the time of soil erosion and water loss, consequently, need block husky guardrail to river course both sides side slope installation, however, current block husky guardrail often has following problem:
1. the existing sand barrier guardrail is usually a reinforced concrete hard wall body, silt on two sides is separated and intercepted by the wall body, and long-term past sediment easily accumulates on the edge of the wall body (as shown in fig. 7) at a large amount at the upper side of the wall body, so that the effect of keeping water and soil is difficult to achieve, the silt accumulated at the corner of the wall has certain weight, and the long-term accumulation easily causes certain damage to the structure of the wall body; 2. the current sediment trapping guardrail pours into on the river course slope usually, and the installation is comparatively loaded down with trivial details, and can not dismantle.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing sand-blocking guardrail is usually a reinforced concrete hard wall, silt at two sides is separated and blocked by the wall, the silt at the upper side of the wall is easily accumulated at the edge of the wall for a long time, the effect of keeping water and soil is difficult to achieve, the silt accumulated at the corner has certain weight, the long-time accumulation easily causes certain damage to the wall structure, the existing sand-blocking guardrail is usually poured on a river slope, the installation is complicated, the disassembly cannot be carried out, and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a multistage sediment trapping device for soil and water conservation, includes sediment trapping guardrail, coiling mechanism, location sand prevention net and bearing chassis, the lower extreme of sediment trapping guardrail be equipped with the coiling mechanism, the winding has location sand prevention net on the coiling mechanism, the rear end of sediment trapping guardrail is equipped with the bearing chassis.
The sand-blocking guardrail comprises an outer frame, a clamping plate, an inserting column and a working groove, through holes are evenly formed in the outer frame, the clamping plate is clamped inside the outer frame, the inserting column is installed at the lower end of the outer frame, the working groove is formed in the middle of the outer frame, the lower end of the outer frame is of a circular arc structure, the clamping groove is formed in the left end of the outer frame, a limiting groove is formed in the right end of the outer frame, the sand-blocking guardrail is placed perpendicular to the horizontal plane, the inserting column is inserted into the side slope, and the.
The coiling mechanism include the live-rollers, the receipts roll post, even axle, the drive belt assembly, the telescopic link, rotation handle and locating lever, the live-rollers passes through the bearing and links to each other with the frame lower extreme, the mid-mounting of live-rollers has the receipts roll post, the left end of live-rollers passes through the drive belt assembly and links to each other with even axle, even axle passes through the bearing and installs at the work inslot, the middle part cover of even axle is equipped with the rotation handle, the rotation handle passes through the telescopic link and links to each other with the upper end of drive belt assembly, the locating lever is installed to the right-hand member of work groove, concrete during operation, when needing to prevent sand net rolling or expansion to the location, pulling rotation handle left, rotation handle and locating lever separation, the rotation handle, the live-.
The location sand prevention net include two spacing framves, block the sand net, two spacing posts, positioning mechanism and elastic cloth, two spacing framves are installed in the left and right sides of frame front end, the front end of spacing frame is equipped with semi-open ring frame, semi-open ring frame endotheca has spacing post, even there is the sand blocking net between two spacing posts, positioning mechanism is evenly installed to the front end of blocking the sand net, even there is elastic cloth between the adjacent positioning mechanism, when concrete work, expand to lay on the side slope after pulling out the sand blocking net from the live-rollers, because the side slope unevenness, link to each other through elastic cloth between the positioning mechanism, ensure that every positioning mechanism steps on current ground as far as, afterwards, personnel's foot positioning mechanism inserts the location to the sand blocking net front end.
The bearing underframe comprises a sand carrying frame, a round shaft, a lower insertion frame, a clamping plate, a positioning frame and a built-in spring, wherein the round shaft is connected to the lower end of an outer frame through a bearing, the clamping plate is uniformly arranged at the right end of the round shaft along the circumferential direction of the round shaft, the limiting groove is connected with the lower insertion frame in a sliding fit mode, the upper end of the lower insertion frame is connected with the limiting groove through the built-in spring, the lower end of the lower insertion frame is positioned in the clamping plate, the sand carrying frame is provided with insertion holes, and the positioning frame is arranged in the insertion holes.
Preferably, the positioning mechanism comprises a lower pressing block and a positioning cone, the lower pressing block is installed at the front end of the sand blocking net, a connecting hole is formed in the inner portion of the lower pressing block, a sliding groove is formed in the connecting hole, the sliding groove is connected with the positioning cone in a sliding fit mode, and a pedal plate is arranged at the upper end of the positioning cone.
Preferably, the cardboard on evenly be equipped with corresponding hole, and correspond the position of hole and through-hole corresponding, correspond downthehole through sliding fit's mode and link to each other with dustproof filter screen, dustproof filter screen passes through reset spring and links to each other with corresponding hole.
Preferably, the diameters of the left end and the right end of the winding column are smaller than the diameter of the middle of the winding column, a clamping groove is uniformly formed in the right end of the rotating handle along the circumferential direction of the rotating handle, and the positioning rod is located in the clamping groove.
Preferably, the sand blocking net is woven by polyethylene materials, the sand blocking net is of a net structure, and grooves are uniformly formed in the upper end of the sand blocking net.
Preferably, the lower end of the sand blocking net is uniformly provided with a lug, and the cross section of the lug is in a circular truncated cone structure.
Preferably, spacing post include outer cover post and nail and go into the post, the outer cover post comprises rubber material, the inside of outer cover post is equipped with the cavity, link to each other with the nail through sliding fit's mode in the cavity, the nail is gone into the post and is become by metal material group.
Preferably, a sand carrying cavity is arranged inside the sand carrying frame, a feed inlet is formed in the upper side of the rear end of the sand carrying frame, and a blocking block is blocked in the feed inlet.
(III) advantageous effects
1. According to the multi-stage sand blocking device for water and soil conservation, the sand blocking net is covered and laid on the slope surface of the opposite side, so that water and soil loss is kept and avoided on the premise of sand prevention, and silt is blocked in a semi-dredging mode so as to avoid the accumulation of the silt on the edge of a wall body.
2. According to the multi-stage sand blocking device for water and soil conservation, provided by the invention, the sand blocking guardrail can effectively block silt through the dustproof filter screen, the blocked silt is stacked at the corresponding hole, personnel need to take out the clamping plate regularly for cleaning, the sand blocking guardrail adopts a semi-dredging mode to block the silt, and the silt is prevented from being accumulated at the edge of a wall body;
3. according to the multi-stage sand blocking device for water and soil conservation, the rolling device plays a role in assisting rolling and pulling out of the sand blocking net, and the installation and detachment efficiency is improved;
4. according to the multi-stage sand blocking device for water and soil conservation, the load-bearing underframe increases the weight of the bottom of the device by conveying sediment to the inner part of the sand-carrying cavity, and the device is ensured to be stably placed on the premise of no need of concrete pouring.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the frame and the card of the present invention;
FIG. 3 is a schematic structural diagram of the outer frame, the working groove and the winding device of the invention;
FIG. 4 is a schematic structural view of the sand blocking net, the limiting posts, the positioning mechanism and the elastic cloth according to the present invention;
FIG. 5 is a cross-sectional view of the invention of FIG. 4;
FIG. 6 is a cross-sectional view between the sand carriage and the spacer of the present invention;
FIG. 7 is a schematic view of a prior art sand barrier installed on a side slope;
fig. 8 is a schematic view of the present invention installed on a side slope.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 8, the multistage sand barrier for soil and water conservation comprises a sand barrier 1, a winding device 2, a positioning sand-proof net 3 and a bearing bottom frame 4, wherein the winding device 2 is arranged at the lower end of the sand barrier 1, the positioning sand-proof net 3 is wound on the winding device 2, and the bearing bottom frame 4 is arranged at the rear end of the sand barrier 1.
Cardboard 12 on evenly be equipped with and correspond the hole, and correspond the position of hole and through-hole corresponding, correspond downthehole through sliding fit's mode and link to each other with dustproof filter screen, dustproof filter screen passes through reset spring and corresponds the hole and links to each other, the sand and dust that blows has certain impact force, thereby reset spring has played fine buffering effect and has effectively intercepted the sand and dust, cardboard 12 can be taken out alone and then clear up the sand and dust on the dustproof filter screen.
The bearing underframe 4 comprises a sand carrying frame 41, a round shaft 46, a lower insert frame 42, a clamping plate 43, a positioning frame 44 and a built-in spring 45, the lower end of an outer frame 11 is connected with the round shaft 46 through a bearing, the right end of the round shaft 46 is uniformly provided with the clamping plate 43 along the circumferential direction, the limiting groove is connected with the lower insert frame 42 in a sliding fit mode, the upper end of the lower insert frame 42 is connected with the limiting groove through the built-in spring 45, the lower end of the lower insert frame 42 is positioned in the clamping plate 43, the sand carrying frame 41 is provided with an insertion hole, the positioning frame 44 is arranged in the insertion hole, when the bearing underframe works, after being placed on a specified slope, silt is conveyed into the sand carrying frame 41 so as to increase the bottom weight of the sand blocking guardrail 1, then the lower insert frame 42 is lifted up, the sand blocking guardrail 1 can be adjusted in angle until the sand blocking guardrail 1 is vertical to the horizontal plane, the lower insert frame 42 is loosened, the sand blocking guardrail 1 is positioned, the sand-carrying frame 41 is secondarily positioned.
Carry sand frame 41 inside be equipped with and carry the husky chamber, increase the weight of bottom through carrying silt, carry the rear end upside of sand frame 41 to be equipped with the feed inlet, the jam has the jam piece in the feed inlet, makes things convenient for the transport of silt.
The winding device 2 include live-rollers 21, the rolling post 22, even axle 23, drive belt assembly 24, the telescopic link 25, rotation handle 26 and locating lever 27, live-rollers 21 passes through the bearing and links to each other with frame 11 lower extreme, the mid-mounting of live-rollers 21 has rolling post 22, the left end of live-rollers 21 passes through drive belt assembly 24 and links to each other with even axle 23, even axle 23 passes through the bearing and installs in work groove 14, the middle part cover of even axle 23 is equipped with and rotates handle 26, it links to each other with the upper end of drive belt assembly 24 through telescopic link 25 to rotate handle 26, locating lever 27 is installed to the right-hand member of work groove 14, in concrete work, when needing to roll up or expand location sand screen 3, pulling left rotation handle 26, rotation handle 26 and locating lever 27 separate, rotate rotation handle 26, live-rollers 21 synchronous rotation, thereby roll up or expand location sand screen 3.
The diameter at both ends is less than the diameter at rolling post 22 middle part about rolling post 22, owing to block the both ends of husky net 32 and be equipped with two spacing posts 33, spacing post 33 thickness after the rollup is great, rolling post 22 both ends diameter is less than the diameter at rolling post 22 middle part and can carry out the rolling to spacing post 33 smoothly, the right-hand member of rotation handle 26 evenly is equipped with the draw-in groove along its circumference, and locating lever 27 is located the draw-in groove, plays the effect of location.
The positioning sand-proof net 3 comprises two limiting frames 31, a sand blocking net 32, two limiting columns 33, positioning mechanisms 34 and elastic cloth 35, the two limiting frames 31 are installed on the left side and the right side of the front end of the outer frame 11, a semi-open type annular frame is arranged at the front end of each limiting frame 31, the limiting columns 33 are sleeved in the semi-open type annular frame, a sand blocking net 32 is connected between the two limiting columns 33, the positioning mechanisms 34 are evenly installed at the front end of the sand blocking net 32, the elastic cloth 35 is connected between the adjacent positioning mechanisms 34, during specific work, the sand blocking net 32 is pulled out from the rotating roller 21 and then is spread and laid on a side slope, due to the fact that the side slope surface is uneven, the positioning mechanisms 34 are connected through the elastic cloth 35, it is guaranteed that each positioning mechanism 34 is close to the current ground as far as possible, and then a person steps on the positioning mechanisms 34 to insert and position.
The positioning mechanism 34 includes a lower pressing block 341 and a positioning cone 342, the lower pressing block 341 is installed at the front end of the sand blocking net 32, a connecting hole is formed in the lower pressing block 341, a sliding groove is formed in the connecting hole, the sliding groove is connected with the positioning cone 342 in a sliding fit manner, a pedal is arranged at the upper end of the positioning cone 342, and the positioning cone 342 is inserted into the slope in a foot stepping manner to position the sand blocking net 32.
The sand blocking net 32 is woven by polyethylene materials and is durable, the sand blocking net 32 is of a net structure and plays a role in sand prevention, and grooves are uniformly formed in the upper end of the sand blocking net 32.
The lower end of the sand blocking net 32 is uniformly provided with a convex block, the cross section of the convex block is of a circular truncated cone structure, the convex block of the circular truncated cone structure increases the ground grabbing force of the sand blocking net 32, and when the sand blocking net 32 is rolled, the convex block at the lower end of the sand blocking net 32 can be clamped in a groove of the inner sand blocking net 32, so that the thickness increase after the sand blocking net 32 is rolled and certain limit on the rolling of the sand blocking net 32 are avoided.
Spacing post 33 include outer cover post 331 and nail post 332, outer cover post 331 comprises rubber material, and the inside of outer cover post 331 is equipped with the cavity, links to each other with nail post 332 through sliding fit's mode in the cavity, and nail post 332 comprises metal material, and when the foot trampled nail post 332, because outer cover post 331 comprises rubber material, thereby nail post 332 protractile outer cover post 331 and nail into the side slope nexine.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a multistage sediment trapping device for soil and water conservation, includes sediment trapping guardrail (1), coiling mechanism (2), location sand prevention net (3) and bearing chassis (4), its characterized in that: the lower end of the sand blocking guardrail (1) is provided with a rolling device (2), a positioning sand-proof net (3) is wound on the rolling device (2), and the rear end of the sand blocking guardrail (1) is provided with a bearing bottom frame (4);
the sand blocking guardrail (1) comprises an outer frame (11), a clamping plate (12), an inserting column (13) and a working groove (14), through holes are uniformly formed in the outer frame (11), the clamping plate (12) is clamped in the outer frame (11), the inserting column (13) is installed at the lower end of the outer frame (11), the working groove (14) is formed in the middle of the outer frame (11), the lower end of the outer frame (11) is of an arc structure, the clamping groove is formed in the left end of the outer frame (11), and a limiting groove is formed in the right end of the outer frame (11);
the winding device (2) comprises a rotating roller (21), a winding column (22), a connecting shaft (23), a transmission belt assembly (24), a telescopic rod (25), a rotating handle (26) and a positioning rod (27), wherein the rotating roller (21) is connected with the lower end of an outer frame (11) through a bearing, the winding column (22) is arranged in the middle of the rotating roller (21), the left end of the rotating roller (21) is connected with the connecting shaft (23) through the transmission belt assembly (24), the connecting shaft (23) is installed in a working groove (14) through a bearing, the rotating handle (26) is sleeved in the middle of the connecting shaft (23), the rotating handle (26) is connected with the upper end of the transmission belt assembly (24) through the telescopic rod (25), and the positioning rod (27) is installed at the right end of the working groove (14);
the positioning sand prevention net (3) comprises two limiting frames (31), a sand blocking net (32), two limiting columns (33), positioning mechanisms (34) and elastic cloth (35), the two limiting frames (31) are installed on the left side and the right side of the front end of the outer frame (11), a semi-open type annular frame is arranged at the front end of each limiting frame (31), the limiting columns (33) are sleeved in the semi-open type annular frame, the sand blocking net (32) is connected between the two limiting columns (33), the positioning mechanisms (34) are uniformly installed at the front end of the sand blocking net (32), and the elastic cloth (35) is connected between the adjacent positioning mechanisms (34);
bearing chassis (4) including carrying husky frame (41), circle axle (46), insert frame (42) down, block into board (43), locating rack (44) and built-in spring (45), the lower extreme of frame (11) even has circle axle (46) through the bearing, the right-hand member of circle axle (46) evenly is equipped with along its circumference and blocks into board (43), the spacing inslot links to each other with inserting frame (42) down through sliding fit's mode, the upper end of inserting frame (42) down links to each other with the spacing groove through built-in spring (45), the lower extreme of inserting frame (42) down is located to block into board (43), be equipped with the jack on carrying husky frame (41), be equipped with locating rack (44) in the jack.
2. A multi-stage sand barrier for soil and water conservation according to claim 1 wherein: the positioning mechanism (34) comprises a lower pressing block (341) and a positioning cone (342), the lower pressing block (341) is installed at the front end of the sand blocking net (32), a connecting hole is formed in the lower pressing block (341), a sliding groove is formed in the connecting hole, the sliding groove is connected with the positioning cone (342) in a sliding fit mode, and a pedal plate is arranged at the upper end of the positioning cone (342).
3. A multi-stage sand barrier for soil and water conservation according to claim 1 wherein: the cardboard (12) on evenly be equipped with corresponding hole, and correspond the position of hole and through-hole corresponding, correspond downthehole through sliding fit's mode and link to each other with dustproof filter screen, dustproof filter screen passes through reset spring and corresponds the hole and links to each other.
4. A multi-stage sand barrier for soil and water conservation according to claim 1 wherein: the diameter of the left end and the right end of the winding column (22) is smaller than the diameter of the middle part of the winding column (22), the right end of the rotating handle (26) is evenly provided with a clamping groove along the circumferential direction, and the positioning rod (27) is positioned in the clamping groove.
5. A multi-stage sand barrier for soil and water conservation according to claim 1 wherein: the sand blocking net (32) is woven by polyethylene materials, the sand blocking net (32) is of a net structure, and grooves are uniformly formed in the upper end of the sand blocking net (32).
6. A multi-stage sand barrier for soil and water conservation according to claim 1 wherein: the lower end of the sand blocking net (32) is uniformly provided with a lug, and the section of the lug is of a circular truncated cone structure.
7. A multi-stage sand barrier for soil and water conservation according to claim 1 wherein: spacing post (33) include outer cover post (331) and nail into post (332), outer cover post (331) comprises the rubber material, the inside of outer cover post (331) is equipped with the cavity, links to each other with nail into post (332) through sliding fit's mode in the cavity, nail into post (332) comprises the metal material.
8. A multi-stage sand barrier for soil and water conservation according to claim 1 wherein: the sand carrying frame (41) is internally provided with a sand carrying cavity, the upper side of the rear end of the sand carrying frame (41) is provided with a feed inlet, and a blocking block is blocked in the feed inlet.
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CN201910496415.5A CN110185313B (en) | 2019-06-10 | 2019-06-10 | A multistage sediment trapping device for soil and water conservation |
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KR100727586B1 (en) * | 2005-09-07 | 2007-06-18 | 한상관 | Block |
CN205399355U (en) * | 2016-02-25 | 2016-07-27 | 荣昌祥 | River course is repaiied and is prevented for engineering river course device of controlling flood |
CN206157656U (en) * | 2016-11-15 | 2017-05-10 | 吉林大学 | Mud -rock flow is filtration system step by step |
CN207003274U (en) * | 2017-05-12 | 2018-02-13 | 东莞市冠城园林绿化工程有限公司 | A kind of Novel sand-proof sand control equipment |
CN115370214B (en) * | 2017-11-21 | 2024-06-21 | 斯蒂芬·凯莱赫 | Grounding installation assembly |
CN207685698U (en) * | 2017-12-29 | 2018-08-03 | 鄂尔多斯市点维农林工程勘察设计有限责任公司 | A kind of desertification revegetation structure |
CN207933995U (en) * | 2018-02-13 | 2018-10-02 | 华北水利水电大学 | A kind of conveyance canal blocks algae device with adjustable single net |
CN208201806U (en) * | 2018-04-09 | 2018-12-07 | 河北亚禹水工机械有限公司 | A kind of anti-sedimentation gate |
CN109778775A (en) * | 2019-01-28 | 2019-05-21 | 广州建筑股份有限公司 | It is a kind of quickly to pacify the gravity type anti-flood wall and installation method torn open |
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